author: Howaner <franzi.moos@googlemail.com> 2014-09-12 19:13:46 +0200
committer: Howaner <franzi.moos@googlemail.com> 2014-09-12 19:13:46 +0200
commit: 1223a24d3c87832c08545e6f3e8e4c51ff1e7e3f (patch)
tree: f7cf72e49a7ca60d10af12ad9ff70910e089b028 /src
parent: Renamed SetWalkSpeed() to SetRelativeWalkSpeed() (diff)
parent: Fixed iron ore drop. (diff)
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106 files changed, 1428 insertions, 941 deletions
diff --git a/src/Bindings/LuaChunkStay.cpp b/src/Bindings/LuaChunkStay.cpp
index 59b02d8f7..154bcb200 100644
--- a/src/Bindings/LuaChunkStay.cpp
+++ b/src/Bindings/LuaChunkStay.cpp
@@ -107,7 +107,7 @@ void cLuaChunkStay::AddChunkCoord(cLuaState & L, int a_Index)
 		}
 	}  // for itr - m_Chunks[]
 	
-	m_Chunks.push_back(cChunkCoords(ChunkX, ZERO_CHUNK_Y, ChunkZ));
+	m_Chunks.push_back(cChunkCoords(ChunkX, ChunkZ));
 }
 
 
diff --git a/src/Bindings/LuaState.cpp b/src/Bindings/LuaState.cpp
index 9fe93ccc2..ba2f3c5e0 100644
--- a/src/Bindings/LuaState.cpp
+++ b/src/Bindings/LuaState.cpp
@@ -859,6 +859,32 @@ void cLuaState::GetStackValue(int a_StackPos, eWeather & a_ReturnedVal)
 
 
 
+void cLuaState::GetStackValue(int a_StackPos, pBoundingBox & a_ReturnedVal)
+{
+	tolua_Error err;
+	if (tolua_isusertype(m_LuaState, a_StackPos, "cBoundingBox", false, &err))
+	{
+		a_ReturnedVal = *((cBoundingBox **)lua_touserdata(m_LuaState, a_StackPos));
+	}
+}
+
+
+
+
+
+void cLuaState::GetStackValue(int a_StackPos, pWorld & a_ReturnedVal)
+{
+	tolua_Error err;
+	if (tolua_isusertype(m_LuaState, a_StackPos, "cWorld", false, &err))
+	{
+		a_ReturnedVal = *((cWorld **)lua_touserdata(m_LuaState, a_StackPos));
+	}
+}
+
+
+
+
+
 bool cLuaState::CallFunction(int a_NumResults)
 {
 	ASSERT (m_NumCurrentFunctionArgs >= 0);  // A function must be pushed to stack first
diff --git a/src/Bindings/LuaState.h b/src/Bindings/LuaState.h
index eeb93fd4d..44f187701 100644
--- a/src/Bindings/LuaState.h
+++ b/src/Bindings/LuaState.h
@@ -59,6 +59,10 @@ class cTNTEntity;
 class cCreeper;
 class cHopperEntity;
 class cBlockEntity;
+class cBoundingBox;
+
+typedef cBoundingBox * pBoundingBox;
+typedef cWorld *       pWorld;
 
 
 
@@ -230,6 +234,12 @@ public:
 	/** Retrieve value at a_StackPos, if it is a valid number, converting and clamping it to eWeather.
 	If not, a_Value is unchanged. */
 	void GetStackValue(int a_StackPos, eWeather & a_Value);
+
+	/** Retrieve value at a_StackPos, if it is a valid cBoundingBox class. If not, a_Value is unchanged */
+	void GetStackValue(int a_StackPos, pBoundingBox & a_Value);
+	
+	/** Retrieve value at a_StackPos, if it is a valid cWorld class. If not, a_Value is unchanged */
+	void GetStackValue(int a_StackPos, pWorld & a_Value);
 	
 
 	// Include the cLuaState::Call() overload implementation that is generated by the gen_LuaState_Call.lua script:
@@ -328,6 +338,14 @@ protected:
 	*/
 	bool PushFunction(int a_FnRef);
 	
+	/** Pushes a function that has been saved as a reference.
+	Returns true if successful. Logs a warning on failure
+	*/
+	bool PushFunction(const cRef & a_FnRef)
+	{
+		return PushFunction((int)a_FnRef);
+	}
+	
 	/** Pushes a function that is stored in a referenced table by name
 	Returns true if successful. Logs a warning on failure
 	*/
diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp
index adf10a72f..b7ea65759 100644
--- a/src/Bindings/ManualBindings.cpp
+++ b/src/Bindings/ManualBindings.cpp
@@ -679,6 +679,75 @@ static int tolua_ForEachInChunk(lua_State * tolua_S)
 template <
 	class Ty1,
 	class Ty2,
+	bool (Ty1::*Func1)(const cBoundingBox &, cItemCallback<Ty2> &)
+>
+static int tolua_ForEachInBox(lua_State * tolua_S)
+{
+	// Check params:
+	cLuaState L(tolua_S);
+	if (
+		!L.CheckParamUserType(1, "cWorld") ||
+		!L.CheckParamUserType(2, "cBoundingBox") ||
+		!L.CheckParamFunction(3) ||
+		!L.CheckParamEnd(4)
+	)
+	{
+		return 0;
+	}
+
+	// Get the params:
+	Ty1 * Self = NULL;
+	cBoundingBox * Box = NULL;
+	L.GetStackValues(1, Self, Box);
+	ASSERT(Self != NULL);  // We have verified the type at the top, so we should get valid objects here
+	ASSERT(Box != NULL);
+	
+	// Create a reference for the function:
+	cLuaState::cRef FnRef(L, 3);
+
+	// Callback wrapper for the Lua function:
+	class cLuaCallback : public cItemCallback<Ty2>
+	{
+	public:
+		cLuaCallback(cLuaState & a_LuaState, cLuaState::cRef & a_FuncRef) :
+			m_LuaState(a_LuaState),
+			m_FnRef(a_FuncRef)
+		{}
+
+	private:
+		// cItemCallback<Ty2> overrides:
+		virtual bool Item(Ty2 * a_Item) override
+		{
+			bool res = false;
+			if (!m_LuaState.Call(m_FnRef, a_Item, cLuaState::Return, res))
+			{
+				LOGWARNING("Failed to call Lua callback");
+				m_LuaState.LogStackTrace();
+				return true;  // Abort enumeration
+			}
+
+			return res;
+		}
+		cLuaState & m_LuaState;
+		cLuaState::cRef & m_FnRef;
+	} Callback(L, FnRef);
+
+	bool bRetVal = (Self->*Func1)(*Box, Callback);
+	
+	FnRef.UnRef();
+
+	/* Push return value on stack */
+	tolua_pushboolean(tolua_S, bRetVal);
+	return 1;
+}
+
+
+
+
+
+template <
+	class Ty1,
+	class Ty2,
 	bool (Ty1::*Func1)(cItemCallback<Ty2> &)
 >
 static int tolua_ForEach(lua_State * tolua_S)
@@ -3327,6 +3396,7 @@ void ManualBindings::Bind(lua_State * tolua_S)
 			tolua_function(tolua_S, "ForEachBlockEntityInChunk", tolua_ForEachInChunk<cWorld, cBlockEntity,   &cWorld::ForEachBlockEntityInChunk>);
 			tolua_function(tolua_S, "ForEachChestInChunk",       tolua_ForEachInChunk<cWorld, cChestEntity,   &cWorld::ForEachChestInChunk>);
 			tolua_function(tolua_S, "ForEachEntity",             tolua_ForEach<       cWorld, cEntity,        &cWorld::ForEachEntity>);
+			tolua_function(tolua_S, "ForEachEntityInBox",        tolua_ForEachInBox<  cWorld, cEntity,        &cWorld::ForEachEntityInBox>);
 			tolua_function(tolua_S, "ForEachEntityInChunk",      tolua_ForEachInChunk<cWorld, cEntity,        &cWorld::ForEachEntityInChunk>);
 			tolua_function(tolua_S, "ForEachFurnaceInChunk",     tolua_ForEachInChunk<cWorld, cFurnaceEntity, &cWorld::ForEachFurnaceInChunk>);
 			tolua_function(tolua_S, "ForEachPlayer",             tolua_ForEach<       cWorld, cPlayer,        &cWorld::ForEachPlayer>);
diff --git a/src/Bindings/gen_LuaState_Call.lua b/src/Bindings/gen_LuaState_Call.lua
index 2d8630d12..7f62573c7 100644
--- a/src/Bindings/gen_LuaState_Call.lua
+++ b/src/Bindings/gen_LuaState_Call.lua
@@ -109,7 +109,7 @@ local function WriteOverload(f, a_NumParams, a_NumReturns)
 	
 	-- Write the function signature:
 	f:write("bool Call(")
-	f:write("FnT a_Function")
+	f:write("const FnT & a_Function")
 	for i = 1, a_NumParams do
 		f:write(", ParamT", i, " a_Param", i)
 	end
diff --git a/src/BlockEntities/SignEntity.cpp b/src/BlockEntities/SignEntity.cpp
index 97fed0f04..23d9ef926 100644
--- a/src/BlockEntities/SignEntity.cpp
+++ b/src/BlockEntities/SignEntity.cpp
@@ -15,6 +15,7 @@
 cSignEntity::cSignEntity(BLOCKTYPE a_BlockType, int a_X, int a_Y, int a_Z, cWorld * a_World) :
 	super(a_BlockType, a_X, a_Y, a_Z, a_World)
 {
+	ASSERT((a_Y >= 0) && (a_Y < cChunkDef::Height));
 }
 
 
diff --git a/src/BlockID.h b/src/BlockID.h
index 08c576886..d835f9518 100644
--- a/src/BlockID.h
+++ b/src/BlockID.h
@@ -362,6 +362,8 @@ enum ENUM_ITEM_ID
 	E_ITEM_LEAD = 420,
 	E_ITEM_NAME_TAG = 421,
 	E_ITEM_MINECART_WITH_COMMAND_BLOCK = 422,
+	E_ITEM_RAW_MUTTON = 423,
+	E_ITEM_MUTTON = 424,
 	
 	// Keep these two as the last values of the consecutive list, without a number - they will get their correct number assigned automagically by C++
 	// IsValidItem() depends on this!
diff --git a/src/BlockInfo.cpp b/src/BlockInfo.cpp
index a59229f87..9ac66d35d 100644
--- a/src/BlockInfo.cpp
+++ b/src/BlockInfo.cpp
@@ -18,6 +18,7 @@ cBlockInfo::cBlockInfo()
 	, m_IsSolid(true)
 	, m_FullyOccupiesVoxel(false)
 	, m_CanBeTerraformed(false)
+	, m_PlaceSound("")
 	, m_Handler(NULL)
 {}
 
@@ -571,6 +572,172 @@ void cBlockInfo::Initialize(cBlockInfoArray & a_Info)
 	a_Info[E_BLOCK_SOULSAND            ].m_CanBeTerraformed = true;
 	a_Info[E_BLOCK_STAINED_CLAY        ].m_CanBeTerraformed = true;
 	a_Info[E_BLOCK_STONE               ].m_CanBeTerraformed = true;
+
+
+	// Block place sounds:
+	a_Info[E_BLOCK_STONE               ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_GRASS               ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_DIRT                ].m_PlaceSound = "dig.gravel";
+	a_Info[E_BLOCK_COBBLESTONE         ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_PLANKS              ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_SAPLING             ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_BEDROCK             ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_SAND                ].m_PlaceSound = "dig.sand";
+	a_Info[E_BLOCK_GRAVEL              ].m_PlaceSound = "dig.gravel";
+	a_Info[E_BLOCK_GOLD_ORE            ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_IRON_ORE            ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_COAL_ORE            ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_LOG                 ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_LEAVES              ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_SPONGE              ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_GLASS               ].m_PlaceSound = "dig.glass";
+	a_Info[E_BLOCK_LAPIS_ORE           ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_LAPIS_BLOCK         ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_DISPENSER           ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_SANDSTONE           ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_NOTE_BLOCK          ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_POWERED_RAIL        ].m_PlaceSound = "dig.metal";
+	a_Info[E_BLOCK_DETECTOR_RAIL       ].m_PlaceSound = "dig.metal";
+	a_Info[E_BLOCK_STICKY_PISTON       ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_COBWEB              ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_TALL_GRASS          ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_DEAD_BUSH           ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_PISTON              ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_PISTON_EXTENSION    ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_WOOL                ].m_PlaceSound = "dig.cloth";
+	a_Info[E_BLOCK_PISTON_MOVED_BLOCK  ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_DANDELION           ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_FLOWER              ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_BROWN_MUSHROOM      ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_RED_MUSHROOM        ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_GOLD_BLOCK          ].m_PlaceSound = "dig.metal";
+	a_Info[E_BLOCK_IRON_BLOCK          ].m_PlaceSound = "dig.metal";
+	a_Info[E_BLOCK_DOUBLE_STONE_SLAB   ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_STONE_SLAB          ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_BRICK               ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_TNT                 ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_BOOKCASE            ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_MOSSY_COBBLESTONE   ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_OBSIDIAN            ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_TORCH               ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_FIRE                ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_MOB_SPAWNER         ].m_PlaceSound = "dig.metal";
+	a_Info[E_BLOCK_WOODEN_STAIRS       ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_CHEST               ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_REDSTONE_WIRE       ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_DIAMOND_ORE         ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_DIAMOND_BLOCK       ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_CRAFTING_TABLE      ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_FARMLAND            ].m_PlaceSound = "dig.gravel";
+	a_Info[E_BLOCK_FURNACE             ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_LIT_FURNACE         ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_SIGN_POST           ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_WOODEN_DOOR         ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_LADDER              ].m_PlaceSound = "dig.ladder";
+	a_Info[E_BLOCK_RAIL                ].m_PlaceSound = "dig.metal";
+	a_Info[E_BLOCK_COBBLESTONE_STAIRS  ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_WALLSIGN            ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_LEVER               ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_STONE_PRESSURE_PLATE ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_IRON_DOOR           ].m_PlaceSound = "dig.metal";
+	a_Info[E_BLOCK_WOODEN_PRESSURE_PLATE ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_REDSTONE_ORE        ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_REDSTONE_ORE_GLOWING ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_REDSTONE_TORCH_OFF  ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_REDSTONE_TORCH_ON   ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_STONE_BUTTON        ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_SNOW                ].m_PlaceSound = "dig.snow";
+	a_Info[E_BLOCK_ICE                 ].m_PlaceSound = "dig.glass";
+	a_Info[E_BLOCK_SNOW_BLOCK          ].m_PlaceSound = "dig.snow";
+	a_Info[E_BLOCK_CACTUS              ].m_PlaceSound = "dig.cloth";
+	a_Info[E_BLOCK_CLAY                ].m_PlaceSound = "dig.gravel";
+	a_Info[E_BLOCK_SUGARCANE           ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_JUKEBOX             ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_FENCE               ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_PUMPKIN             ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_NETHERRACK          ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_SOULSAND            ].m_PlaceSound = "dig.sand";
+	a_Info[E_BLOCK_GLOWSTONE           ].m_PlaceSound = "dig.glass";
+	a_Info[E_BLOCK_NETHER_PORTAL       ].m_PlaceSound = "dig.glass";
+	a_Info[E_BLOCK_JACK_O_LANTERN      ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_CAKE                ].m_PlaceSound = "dig.snow";
+	a_Info[E_BLOCK_REDSTONE_REPEATER_OFF ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_REDSTONE_REPEATER_ON ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_STAINED_GLASS       ].m_PlaceSound = "dig.glass";
+	a_Info[E_BLOCK_TRAPDOOR            ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_SILVERFISH_EGG      ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_STONE_BRICKS        ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_HUGE_BROWN_MUSHROOM ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_HUGE_RED_MUSHROOM   ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_IRON_BARS           ].m_PlaceSound = "dig.metal";
+	a_Info[E_BLOCK_GLASS_PANE          ].m_PlaceSound = "dig.glass";
+	a_Info[E_BLOCK_MELON               ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_PUMPKIN_STEM        ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_MELON_STEM          ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_VINES               ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_FENCE_GATE          ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_BRICK_STAIRS        ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_STONE_BRICK_STAIRS  ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_MYCELIUM            ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_LILY_PAD            ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_NETHER_BRICK        ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_NETHER_BRICK_FENCE  ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_NETHER_BRICK_STAIRS ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_NETHER_WART         ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_ENCHANTMENT_TABLE   ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_BREWING_STAND       ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_CAULDRON            ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_END_PORTAL          ].m_PlaceSound = "dig.glass";
+	a_Info[E_BLOCK_END_PORTAL_FRAME    ].m_PlaceSound = "dig.glass";
+	a_Info[E_BLOCK_END_STONE           ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_DRAGON_EGG          ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_REDSTONE_LAMP_OFF   ].m_PlaceSound = "dig.glass";
+	a_Info[E_BLOCK_REDSTONE_LAMP_ON    ].m_PlaceSound = "dig.glass";
+	a_Info[E_BLOCK_DOUBLE_WOODEN_SLAB  ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_WOODEN_SLAB         ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_COCOA_POD           ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_SANDSTONE_STAIRS    ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_EMERALD_ORE         ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_ENDER_CHEST         ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_TRIPWIRE_HOOK       ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_TRIPWIRE            ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_EMERALD_BLOCK       ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_SPRUCE_WOOD_STAIRS  ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_BIRCH_WOOD_STAIRS   ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_JUNGLE_WOOD_STAIRS  ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_COMMAND_BLOCK       ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_BEACON              ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_COBBLESTONE_WALL    ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_FLOWER_POT          ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_CARROTS             ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_POTATOES            ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_HEAD                ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_ANVIL               ].m_PlaceSound = "dig.anvil";
+	a_Info[E_BLOCK_TRAPPED_CHEST       ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_LIGHT_WEIGHTED_PRESSURE_PLATE ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_HEAVY_WEIGHTED_PRESSURE_PLATE ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_INACTIVE_COMPARATOR ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_ACTIVE_COMPARATOR   ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_DAYLIGHT_SENSOR     ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_BLOCK_OF_REDSTONE   ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_NETHER_QUARTZ_ORE   ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_HOPPER              ].m_PlaceSound = "dig.metal";
+	a_Info[E_BLOCK_QUARTZ_BLOCK        ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_QUARTZ_STAIRS       ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_ACTIVATOR_RAIL      ].m_PlaceSound = "dig.metal";
+	a_Info[E_BLOCK_DROPPER             ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_STAINED_CLAY        ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_STAINED_GLASS_PANE  ].m_PlaceSound = "dig.glass";
+	a_Info[E_BLOCK_NEW_LEAVES          ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_NEW_LOG             ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_ACACIA_WOOD_STAIRS  ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_DARK_OAK_WOOD_STAIRS ].m_PlaceSound = "dig.wood";
+	a_Info[E_BLOCK_HAY_BALE            ].m_PlaceSound = "dig.grass";
+	a_Info[E_BLOCK_CARPET              ].m_PlaceSound = "dig.cloth";
+	a_Info[E_BLOCK_HARDENED_CLAY       ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_BLOCK_OF_COAL       ].m_PlaceSound = "dig.stone";
+	a_Info[E_BLOCK_PACKED_ICE          ].m_PlaceSound = "dig.glass";
+	a_Info[E_BLOCK_BIG_FLOWER          ].m_PlaceSound = "dig.grass";
 }
 
 
diff --git a/src/BlockInfo.h b/src/BlockInfo.h
index 4c66c095a..567070a7f 100644
--- a/src/BlockInfo.h
+++ b/src/BlockInfo.h
@@ -48,6 +48,9 @@ public:
 	/** Can a finisher change it? */
 	bool m_CanBeTerraformed;
 
+	/** Sound when placing this block */
+	AString m_PlaceSound;
+
 	// tolua_end
 
 	/** Associated block handler. */
@@ -64,6 +67,7 @@ public:
 	inline static bool IsSolid                    (BLOCKTYPE a_Type) { return Get(a_Type).m_IsSolid;             }
 	inline static bool FullyOccupiesVoxel         (BLOCKTYPE a_Type) { return Get(a_Type).m_FullyOccupiesVoxel;  }
 	inline static bool CanBeTerraformed           (BLOCKTYPE a_Type) { return Get(a_Type).m_CanBeTerraformed;    }
+	inline static AString GetPlaceSound           (BLOCKTYPE a_Type) { return Get(a_Type).m_PlaceSound;          }
 
 	// tolua_end
 
diff --git a/src/Blocks/BlockBigFlower.h b/src/Blocks/BlockBigFlower.h
index 72e552dee..646980634 100644
--- a/src/Blocks/BlockBigFlower.h
+++ b/src/Blocks/BlockBigFlower.h
@@ -118,12 +118,6 @@ public:
 			}
 		}
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.grass";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockButton.h b/src/Blocks/BlockButton.h
index 3b45afff8..8e4f04740 100644
--- a/src/Blocks/BlockButton.h
+++ b/src/Blocks/BlockButton.h
@@ -57,12 +57,6 @@ public:
 	}
 
 
-	virtual const char * GetStepSound(void) override
-	{
-		return m_BlockType == E_BLOCK_WOODEN_BUTTON ? "step.wood" : "step.stone";
-	}
-
-
 	inline static NIBBLETYPE BlockFaceToMetaData(eBlockFace a_BlockFace)
 	{
 		switch (a_BlockFace)
diff --git a/src/Blocks/BlockCactus.h b/src/Blocks/BlockCactus.h
index ed441517d..910966c43 100644
--- a/src/Blocks/BlockCactus.h
+++ b/src/Blocks/BlockCactus.h
@@ -69,12 +69,6 @@ public:
 	{
 		a_Chunk.GetWorld()->GrowCactus(a_RelX + a_Chunk.GetPosX() * cChunkDef::Width, a_RelY, a_RelZ + a_Chunk.GetPosZ() * cChunkDef::Width, 1);
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.cloth";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockCake.h b/src/Blocks/BlockCake.h
index f05f468e5..3a754ce18 100644
--- a/src/Blocks/BlockCake.h
+++ b/src/Blocks/BlockCake.h
@@ -43,11 +43,6 @@ public:
 	{
 		return true;
 	}
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.cloth";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockCarpet.h b/src/Blocks/BlockCarpet.h
index d1aa52687..4b287c664 100644
--- a/src/Blocks/BlockCarpet.h
+++ b/src/Blocks/BlockCarpet.h
@@ -22,12 +22,6 @@ public:
 		cBlockHandler(a_BlockType)
 	{
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.cloth";
-	}
 	
 	
 	virtual bool GetPlacementBlockTypeMeta(
diff --git a/src/Blocks/BlockChest.h b/src/Blocks/BlockChest.h
index 28adbed4f..201f2309b 100644
--- a/src/Blocks/BlockChest.h
+++ b/src/Blocks/BlockChest.h
@@ -106,12 +106,6 @@ public:
 		// Single chest, no further processing needed
 	}
 	
-	
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
-	
 	virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
 	{
 		int BlockX = a_RelX + a_Chunk.GetPosX() * cChunkDef::Width;
diff --git a/src/Blocks/BlockCloth.h b/src/Blocks/BlockCloth.h
index 3c1ae7c25..525176725 100644
--- a/src/Blocks/BlockCloth.h
+++ b/src/Blocks/BlockCloth.h
@@ -15,11 +15,6 @@ public:
 		: cBlockHandler(a_BlockType)
 	{
 	}
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.cloth";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockCommandBlock.h b/src/Blocks/BlockCommandBlock.h
index cf0103765..b66def201 100644
--- a/src/Blocks/BlockCommandBlock.h
+++ b/src/Blocks/BlockCommandBlock.h
@@ -20,11 +20,6 @@ public:
 	{
 		a_Pickups.push_back(cItem(E_BLOCK_AIR, 8, 0));
 	}
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.stone";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockComparator.h b/src/Blocks/BlockComparator.h
index 6caaaab13..3443fc69e 100644
--- a/src/Blocks/BlockComparator.h
+++ b/src/Blocks/BlockComparator.h
@@ -64,12 +64,6 @@ public:
 		a_BlockMeta = cBlockRedstoneRepeaterHandler::RepeaterRotationToMetaData(a_Player->GetYaw());
 		return true;
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockCrops.h b/src/Blocks/BlockCrops.h
index ae6e490e1..53e996683 100644
--- a/src/Blocks/BlockCrops.h
+++ b/src/Blocks/BlockCrops.h
@@ -100,12 +100,6 @@ public:
 	{
 		return ((a_RelY > 0) && (a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ) == E_BLOCK_FARMLAND));
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.grass";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockDirt.h b/src/Blocks/BlockDirt.h
index d458c6062..23e5a3cde 100644
--- a/src/Blocks/BlockDirt.h
+++ b/src/Blocks/BlockDirt.h
@@ -88,12 +88,6 @@ public:
 			}
 		}  // for i - repeat twice
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.gravel";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockDoor.cpp b/src/Blocks/BlockDoor.cpp
index e80473cb5..1204debab 100644
--- a/src/Blocks/BlockDoor.cpp
+++ b/src/Blocks/BlockDoor.cpp
@@ -109,15 +109,6 @@ void cBlockDoorHandler::OnPlacedByPlayer(
 
 
 
-const char * cBlockDoorHandler::GetStepSound(void)
-{
-	return (m_BlockType == E_BLOCK_WOODEN_DOOR) ? "step.wood" : "step.stone";
-}
-
-
-
-
-
 NIBBLETYPE cBlockDoorHandler::MetaRotateCCW(NIBBLETYPE a_Meta)
 {
 	if (a_Meta & 0x08)
diff --git a/src/Blocks/BlockDoor.h b/src/Blocks/BlockDoor.h
index c86fe829b..69e30d9c8 100644
--- a/src/Blocks/BlockDoor.h
+++ b/src/Blocks/BlockDoor.h
@@ -19,7 +19,6 @@ public:
 	virtual void OnDestroyed(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, int a_BlockX, int a_BlockY, int a_BlockZ) override;
 	virtual void OnUse(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace, int a_CursorX, int a_CursorY, int a_CursorZ) override;
 	virtual void OnCancelRightClick(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace) override;
-	virtual const char * GetStepSound(void) override;
 
 	virtual NIBBLETYPE MetaRotateCCW(NIBBLETYPE a_Meta) override;
 	virtual NIBBLETYPE MetaRotateCW(NIBBLETYPE a_Meta)  override;
diff --git a/src/Blocks/BlockEnderchest.h b/src/Blocks/BlockEnderchest.h
index 4672f1459..0bc67a8f5 100644
--- a/src/Blocks/BlockEnderchest.h
+++ b/src/Blocks/BlockEnderchest.h
@@ -33,11 +33,6 @@ public:
 		a_BlockMeta = RotationToMetaData(a_Player->GetYaw());
 		return true;
 	}
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.stone";
-	}
 	
 	static NIBBLETYPE RotationToMetaData(double a_Rotation)
 	{
diff --git a/src/Blocks/BlockFenceGate.h b/src/Blocks/BlockFenceGate.h
index ae99a4f94..3041dd46c 100644
--- a/src/Blocks/BlockFenceGate.h
+++ b/src/Blocks/BlockFenceGate.h
@@ -17,6 +17,12 @@ public:
 	}
 
 
+	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
+	{
+		a_Pickups.Add(E_BLOCK_FENCE_GATE, 1, 0);  // Reset meta to zero
+	}
+
+
 	virtual bool GetPlacementBlockTypeMeta(
 		cChunkInterface & a_ChunkInterface, cPlayer * a_Player,
 		int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
diff --git a/src/Blocks/BlockFire.h b/src/Blocks/BlockFire.h
index b9f211042..b6d1d95f2 100644
--- a/src/Blocks/BlockFire.h
+++ b/src/Blocks/BlockFire.h
@@ -50,11 +50,6 @@ public:
 		return true;
 	}
 
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
-
 	/** Traces along YP until it finds an obsidian block, returns Y difference or 0 if no portal, and -1 for border
 	Takes the X, Y, and Z of the base block; with an optional MaxY for portal border finding */
 	int FindObsidianCeiling(int X, int Y, int Z, cChunkInterface & a_ChunkInterface, int MaxY = 0)
diff --git a/src/Blocks/BlockFlower.h b/src/Blocks/BlockFlower.h
index 6f64c062b..3eb8a0baa 100644
--- a/src/Blocks/BlockFlower.h
+++ b/src/Blocks/BlockFlower.h
@@ -28,12 +28,6 @@ public:
 	{
 		return (a_RelY > 0) && IsBlockTypeOfDirt(a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ));
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.grass";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockGravel.h b/src/Blocks/BlockGravel.h
index e1c9ff390..3a9fbd170 100644
--- a/src/Blocks/BlockGravel.h
+++ b/src/Blocks/BlockGravel.h
@@ -16,9 +16,15 @@ public:
 	{
 	}
 
-	virtual const char * GetStepSound(void) override
+	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
 	{
-		return "step.gravel";
+		a_Pickups.Add(E_BLOCK_GRAVEL, 1, 0);
+
+		cFastRandom Random;
+		if (Random.NextInt(30) == 0)
+		{
+			a_Pickups.Add(E_ITEM_FLINT, 1, 0);
+		}
 	}
 } ;
 
diff --git a/src/Blocks/BlockHandler.cpp b/src/Blocks/BlockHandler.cpp
index 6767d4de4..34925a252 100644
--- a/src/Blocks/BlockHandler.cpp
+++ b/src/Blocks/BlockHandler.cpp
@@ -495,15 +495,6 @@ void cBlockHandler::DropBlock(cChunkInterface & a_ChunkInterface, cWorldInterfac
 
 
 
-const char * cBlockHandler::GetStepSound()
-{
-	return "step.stone";
-}
-
-
-
-
-
 bool cBlockHandler::CanBeAt(cChunkInterface & a_ChunkInterface, int a_BlockX, int a_BlockY, int a_BlockZ, const cChunk & a_Chunk)
 {
 	return true;
diff --git a/src/Blocks/BlockHandler.h b/src/Blocks/BlockHandler.h
index de90ce55b..b3ada279c 100644
--- a/src/Blocks/BlockHandler.h
+++ b/src/Blocks/BlockHandler.h
@@ -84,9 +84,6 @@ public:
 	*/
 	virtual void DropBlock(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cBlockPluginInterface & a_BlockPluginInterface, cEntity * a_Digger, int a_BlockX, int a_BlockY, int a_BlockZ, bool a_CanDrop = true, bool a_DropVerbatim = false);
 	
-	/// Returns step sound name of block
-	virtual const char * GetStepSound(void);
-	
 	/// Checks if the block can stay at the specified relative coords in the chunk
 	virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk);
 
diff --git a/src/Blocks/BlockHayBale.h b/src/Blocks/BlockHayBale.h
index 3c6472adb..8150b10d3 100644
--- a/src/Blocks/BlockHayBale.h
+++ b/src/Blocks/BlockHayBale.h
@@ -15,12 +15,6 @@ public:
 		: cBlockSidewaysHandler(a_BlockType)
 	{
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.grass";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockLadder.h b/src/Blocks/BlockLadder.h
index 284d1d732..ab3f55439 100644
--- a/src/Blocks/BlockLadder.h
+++ b/src/Blocks/BlockLadder.h
@@ -111,12 +111,6 @@ public:
 		int BlockZ = a_RelZ + a_Chunk.GetPosZ() * cChunkDef::Width;
 		return LadderCanBePlacedAt(a_ChunkInterface, BlockX, a_RelY, BlockZ, BlockFace);
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockLeaves.h b/src/Blocks/BlockLeaves.h
index a8aa28a0f..add571675 100644
--- a/src/Blocks/BlockLeaves.h
+++ b/src/Blocks/BlockLeaves.h
@@ -112,12 +112,6 @@ public:
 		DropBlock(a_ChunkInterface, a_WorldInterface, a_PluginInterface, NULL, BlockX, a_RelY, BlockZ);
 		a_ChunkInterface.DigBlock(a_WorldInterface, BlockX, a_RelY, BlockZ);
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.grass";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockLever.h b/src/Blocks/BlockLever.h
index 4316fd06b..3b63b396c 100644
--- a/src/Blocks/BlockLever.h
+++ b/src/Blocks/BlockLever.h
@@ -70,12 +70,6 @@ public:
 	}
 
 
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
-
-
 	inline static eBlockFace BlockMetaDataToBlockFace(NIBBLETYPE a_Meta)
 	{
 		switch (a_Meta & 0x7)
diff --git a/src/Blocks/BlockMelon.h b/src/Blocks/BlockMelon.h
index 60202d66e..22cdb4d29 100644
--- a/src/Blocks/BlockMelon.h
+++ b/src/Blocks/BlockMelon.h
@@ -22,12 +22,6 @@ public:
 		cFastRandom Random;
 		a_Pickups.push_back(cItem(E_ITEM_MELON_SLICE, (char)(3 + Random.NextInt(5)), 0));
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockMushroom.h b/src/Blocks/BlockMushroom.h
index 135d418d7..7c06fcc74 100644
--- a/src/Blocks/BlockMushroom.h
+++ b/src/Blocks/BlockMushroom.h
@@ -50,12 +50,6 @@ public:
 		}
 		return true;
 	}
-	
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.grass";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockMycelium.h b/src/Blocks/BlockMycelium.h
index 2a8ef5fca..628e87181 100644
--- a/src/Blocks/BlockMycelium.h
+++ b/src/Blocks/BlockMycelium.h
@@ -22,11 +22,6 @@ public:
 	{
 		a_Pickups.push_back(cItem(E_BLOCK_DIRT, 1, 0));
 	}
-	
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.gravel";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockOre.h b/src/Blocks/BlockOre.h
index 0067d475f..f6ea3aa3c 100644
--- a/src/Blocks/BlockOre.h
+++ b/src/Blocks/BlockOre.h
@@ -51,7 +51,8 @@ public:
 			}
 			default:
 			{
-				ASSERT(!"Unhandled ore!");
+				a_Pickups.push_back(cItem(m_BlockType));
+				break;
 			}
 		}
 	}
diff --git a/src/Blocks/BlockPlanks.h b/src/Blocks/BlockPlanks.h
index 4c5bb4860..3c243ebdc 100644
--- a/src/Blocks/BlockPlanks.h
+++ b/src/Blocks/BlockPlanks.h
@@ -27,12 +27,6 @@ public:
 		a_BlockMeta = (NIBBLETYPE)(a_Player->GetEquippedItem().m_ItemDamage);
 		return true;
 	}
-
-	
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockRedstoneRepeater.h b/src/Blocks/BlockRedstoneRepeater.h
index 4b18add12..3e5259c56 100644
--- a/src/Blocks/BlockRedstoneRepeater.h
+++ b/src/Blocks/BlockRedstoneRepeater.h
@@ -63,12 +63,6 @@ public:
 	}
 
 
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
-
-
 	inline static NIBBLETYPE RepeaterRotationToMetaData(double a_Rotation)
 	{
 		a_Rotation += 90 + 45;  // So its not aligned with axis
diff --git a/src/Blocks/BlockRedstoneTorch.h b/src/Blocks/BlockRedstoneTorch.h
index cb897ba3f..8416a415c 100644
--- a/src/Blocks/BlockRedstoneTorch.h
+++ b/src/Blocks/BlockRedstoneTorch.h
@@ -23,12 +23,6 @@ public:
 		// Always drop the ON torch, meta 0
 		a_Pickups.push_back(cItem(E_BLOCK_REDSTONE_TORCH_ON, 1, 0));
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockSand.h b/src/Blocks/BlockSand.h
index 3fc271483..48beab138 100644
--- a/src/Blocks/BlockSand.h
+++ b/src/Blocks/BlockSand.h
@@ -15,12 +15,6 @@ public:
 		: cBlockHandler(a_BlockType)
 	{
 	}
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.sand";
-	}
-	
 };
 
 
diff --git a/src/Blocks/BlockSapling.h b/src/Blocks/BlockSapling.h
index de28273d5..bec79c6f3 100644
--- a/src/Blocks/BlockSapling.h
+++ b/src/Blocks/BlockSapling.h
@@ -46,12 +46,6 @@ public:
 			a_Chunk.SetMeta(a_RelX, a_RelY, a_RelZ, Meta | 0x08);
 		}
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.grass";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockSideways.h b/src/Blocks/BlockSideways.h
index f5f10899d..4b1e38d6d 100644
--- a/src/Blocks/BlockSideways.h
+++ b/src/Blocks/BlockSideways.h
@@ -65,12 +65,6 @@ public:
 			}
 		}
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockSignPost.h b/src/Blocks/BlockSignPost.h
index d0cc760b0..40e15c253 100644
--- a/src/Blocks/BlockSignPost.h
+++ b/src/Blocks/BlockSignPost.h
@@ -27,12 +27,6 @@ public:
 	}
 
 
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
-
-
 	virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
 	{
 		if (a_RelY <= 0)
diff --git a/src/Blocks/BlockSlab.h b/src/Blocks/BlockSlab.h
index e67f0e8b3..0ad30bb2b 100644
--- a/src/Blocks/BlockSlab.h
+++ b/src/Blocks/BlockSlab.h
@@ -85,18 +85,6 @@ public:
 
 		return true;
 	}
-	
-	
-	virtual const char * GetStepSound(void) override
-	{
-		switch (m_BlockType)
-		{
-			case E_BLOCK_WOODEN_SLAB: return "step.wood";
-			case E_BLOCK_STONE_SLAB:  return "step.stone";
-		}
-		ASSERT(!"Unhandled slab type!");
-		return "";
-	}
 
 
 	virtual bool CanDirtGrowGrass(NIBBLETYPE a_Meta) override
@@ -174,17 +162,6 @@ public:
 		ASSERT(!"Unhandled double slab type!");
 		return a_BlockType;
 	}
-	
-	virtual const char * GetStepSound(void) override
-	{
-		switch (m_BlockType)
-		{
-			case E_BLOCK_DOUBLE_STONE_SLAB:  return "step.stone";
-			case E_BLOCK_DOUBLE_WOODEN_SLAB: return "step.wood";
-		}
-		ASSERT(!"Unhandled double slab type!");
-		return "";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockSnow.h b/src/Blocks/BlockSnow.h
index 977f19a16..7b6094c9f 100644
--- a/src/Blocks/BlockSnow.h
+++ b/src/Blocks/BlockSnow.h
@@ -87,12 +87,6 @@ public:
 	{
 		return false;
 	}
-	
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.cloth";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockStairs.h b/src/Blocks/BlockStairs.h
index 417969a82..d396204e0 100644
--- a/src/Blocks/BlockStairs.h
+++ b/src/Blocks/BlockStairs.h
@@ -55,24 +55,6 @@ public:
 	}
 
 
-	virtual const char * GetStepSound(void) override
-	{
-		if (
-			(m_BlockType == E_BLOCK_WOODEN_STAIRS) ||
-			(m_BlockType == E_BLOCK_SPRUCE_WOOD_STAIRS) ||
-			(m_BlockType == E_BLOCK_JUNGLE_WOOD_STAIRS) ||
-			(m_BlockType == E_BLOCK_ACACIA_WOOD_STAIRS) ||
-			(m_BlockType == E_BLOCK_BIRCH_WOOD_STAIRS) ||
-			(m_BlockType == E_BLOCK_DARK_OAK_WOOD_STAIRS)
-		)
-		{
-			return "step.wood";
-		}
-
-		return "step.stone";
-	}
-
-
 	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
 	{
 		// Reset meta to zero
diff --git a/src/Blocks/BlockStems.h b/src/Blocks/BlockStems.h
index b726a0901..860c7dd45 100644
--- a/src/Blocks/BlockStems.h
+++ b/src/Blocks/BlockStems.h
@@ -47,12 +47,6 @@ public:
 	{
 		return ((a_RelY > 0) && (a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ) == E_BLOCK_FARMLAND));
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockSugarcane.h b/src/Blocks/BlockSugarcane.h
index 5902c791b..c832ff218 100644
--- a/src/Blocks/BlockSugarcane.h
+++ b/src/Blocks/BlockSugarcane.h
@@ -78,12 +78,6 @@ public:
 	{
 		a_Chunk.GetWorld()->GrowSugarcane(a_RelX + a_Chunk.GetPosX() * cChunkDef::Width, a_RelY, a_RelZ + a_Chunk.GetPosZ() * cChunkDef::Width, 1);
 	}
-	
-	
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.grass";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockTNT.h b/src/Blocks/BlockTNT.h
index 283a03730..3a573ae67 100644
--- a/src/Blocks/BlockTNT.h
+++ b/src/Blocks/BlockTNT.h
@@ -16,11 +16,6 @@ public:
 	{
 	}
 
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.grass";
-	}
-
 	virtual void OnCancelRightClick(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace) override
 	{
 		a_WorldInterface.SendBlockTo(a_BlockX, a_BlockY, a_BlockZ, a_Player);
diff --git a/src/Blocks/BlockTallGrass.h b/src/Blocks/BlockTallGrass.h
index 9c008f793..f520414a7 100644
--- a/src/Blocks/BlockTallGrass.h
+++ b/src/Blocks/BlockTallGrass.h
@@ -53,12 +53,6 @@ public:
 	{
 		return ((a_RelY > 0) && (a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ) != E_BLOCK_AIR));
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.grass";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockTorch.h b/src/Blocks/BlockTorch.h
index df5574d5d..fa46b37a8 100644
--- a/src/Blocks/BlockTorch.h
+++ b/src/Blocks/BlockTorch.h
@@ -184,12 +184,6 @@ public:
 		// Always drop meta = 0
 		a_Pickups.push_back(cItem(m_BlockType, 1, 0));
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
 } ;
 
 
diff --git a/src/Blocks/BlockTrapdoor.h b/src/Blocks/BlockTrapdoor.h
index a6327b5c2..41256ae55 100644
--- a/src/Blocks/BlockTrapdoor.h
+++ b/src/Blocks/BlockTrapdoor.h
@@ -16,11 +16,6 @@ public:
 	{
 	}
 
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
-
 	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
 	{
 		// Reset meta to zero
diff --git a/src/Blocks/BlockTripwire.h b/src/Blocks/BlockTripwire.h
index 3ab17bf4a..d03f37537 100644
--- a/src/Blocks/BlockTripwire.h
+++ b/src/Blocks/BlockTripwire.h
@@ -20,11 +20,6 @@ public:
 	{
 		a_Pickups.push_back(cItem(E_ITEM_STRING, 1, 0));
 	}
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "";
-	}
 };
 
 
diff --git a/src/Blocks/BlockTripwireHook.h b/src/Blocks/BlockTripwireHook.h
index 4f9d79483..88d389711 100644
--- a/src/Blocks/BlockTripwireHook.h
+++ b/src/Blocks/BlockTripwireHook.h
@@ -70,11 +70,6 @@ public:
 
 		return ((a_RelY > 0) && cBlockInfo::FullyOccupiesVoxel(BlockIsOn));
 	}
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
 };
 
 
diff --git a/src/Blocks/BlockVine.h b/src/Blocks/BlockVine.h
index 578224c61..b61673cc5 100644
--- a/src/Blocks/BlockVine.h
+++ b/src/Blocks/BlockVine.h
@@ -159,12 +159,6 @@ public:
 	{
 		return true;
 	}
-	
-	
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.grass";
-	}
 
 
 	virtual bool DoesDropOnUnsuitable(void) override
diff --git a/src/Blocks/BlockWallSign.h b/src/Blocks/BlockWallSign.h
index 47649379e..0abe9c52c 100644
--- a/src/Blocks/BlockWallSign.h
+++ b/src/Blocks/BlockWallSign.h
@@ -27,12 +27,6 @@ public:
 	}
 
 
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
-
-
 	virtual void OnPlacedByPlayer(
 		cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player,
 		int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace,
diff --git a/src/Blocks/BlockWorkbench.h b/src/Blocks/BlockWorkbench.h
index 70468369c..699badaf2 100644
--- a/src/Blocks/BlockWorkbench.h
+++ b/src/Blocks/BlockWorkbench.h
@@ -30,12 +30,6 @@ public:
 	{
 		return true;
 	}
-
-
-	virtual const char * GetStepSound(void) override
-	{
-		return "step.wood";
-	}
 } ;
 
 
diff --git a/src/Blocks/WorldInterface.h b/src/Blocks/WorldInterface.h
index d1c6f9bfc..b43d011d8 100644
--- a/src/Blocks/WorldInterface.h
+++ b/src/Blocks/WorldInterface.h
@@ -17,7 +17,7 @@ class cWorldInterface
 public:
 	virtual ~cWorldInterface() {}
 	
-	virtual Int64 GetTimeOfDay(void) const = 0;
+	virtual int GetTimeOfDay(void) const = 0;
 	virtual Int64 GetWorldAge(void)  const = 0;
 	
 	virtual eDimension GetDimension(void) const = 0;
@@ -44,7 +44,7 @@ public:
 	/** Calls the callback for each player in the list; returns true if all players processed, false if the callback aborted by returning true */
 	virtual bool ForEachPlayer(cItemCallback<cPlayer> & a_Callback) = 0;
 
-	virtual void SetTimeOfDay(Int64 a_TimeOfDay) = 0;
+	virtual void SetTimeOfDay(int a_TimeOfDay) = 0;
 
 	/** Returns true if it is raining, stormy or snowing at the specified location. This takes into account biomes. */
 	virtual bool IsWeatherWetAt(int a_BlockX, int a_BlockZ) = 0;
diff --git a/src/BoundingBox.h b/src/BoundingBox.h
index 793466302..928e62afa 100644
--- a/src/BoundingBox.h
+++ b/src/BoundingBox.h
@@ -80,6 +80,17 @@ public:
 	/// Calculates the intersection of the two bounding boxes; returns true if nonempty
 	bool Intersect(const cBoundingBox & a_Other, cBoundingBox & a_Intersection);
 	
+	double GetMinX(void) const { return m_Min.x; }
+	double GetMinY(void) const { return m_Min.y; }
+	double GetMinZ(void) const { return m_Min.z; }
+
+	double GetMaxX(void) const { return m_Max.x; }
+	double GetMaxY(void) const { return m_Max.y; }
+	double GetMaxZ(void) const { return m_Max.z; }
+	
+	const Vector3d & GetMin(void) const { return m_Min; }
+	const Vector3d & GetMax(void) const { return m_Max; }
+	
 protected:
 	Vector3d m_Min;
 	Vector3d m_Max;
diff --git a/src/BuildInfo.h.cmake b/src/BuildInfo.h.cmake
new file mode 100644
index 000000000..6337dab3e
--- /dev/null
+++ b/src/BuildInfo.h.cmake
@@ -0,0 +1,15 @@
+
+#pragma once
+
+#cmakedefine BUILD_ID
+
+#ifdef BUILD_ID
+
+#undef BUILD_ID
+
+#define BUILD_SERIES_NAME "@BUILD_SERIES_NAME@"
+#define BUILD_ID          "@BUILD_ID@"
+#define BUILD_COMMIT_ID   "@BUILD_COMMIT_ID@"
+#define BUILD_DATETIME    "@BUILD_DATETIME@"
+#endif
+
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2d96662a9..9d0e2cede 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -75,6 +75,7 @@ SET (HDRS
 	BlockInfo.h
 	BlockTracer.h
 	BoundingBox.h
+	BuildInfo.h.cmake
 	ByteBuffer.h
 	ChatColor.h
 	Chunk.h
@@ -140,6 +141,8 @@ include_directories(".")
 include_directories ("${CMAKE_CURRENT_SOURCE_DIR}/../lib/sqlite")
 include_directories ("${CMAKE_CURRENT_SOURCE_DIR}/../lib/SQLiteCpp/include")
 
+configure_file("BuildInfo.h.cmake" "${CMAKE_CURRENT_SOURCE_DIR}/BuildInfo.h")
+
 if (NOT MSVC)
 	# Bindings need to reference other folders, so they are done here instead
 	# lib dependencies are not included
diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index 40ffff834..e75acb03b 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -37,6 +37,7 @@
 #include "MobSpawner.h"
 #include "BlockInServerPluginInterface.h"
 #include "SetChunkData.h"
+#include "BoundingBox.h"
 
 #include "json/json.h"
 
@@ -65,19 +66,18 @@ sSetBlock::sSetBlock( int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_Bloc
 // cChunk:
 
 cChunk::cChunk(
-	int a_ChunkX, int a_ChunkY, int a_ChunkZ,
+	int a_ChunkX, int a_ChunkZ,
 	cChunkMap * a_ChunkMap, cWorld * a_World,
 	cChunk * a_NeighborXM, cChunk * a_NeighborXP, cChunk * a_NeighborZM, cChunk * a_NeighborZP,
 	cAllocationPool<cChunkData::sChunkSection> & a_Pool
 ) :
-	m_IsValid(false),
+	m_Presence(cpInvalid),
 	m_IsLightValid(false),
 	m_IsDirty(false),
 	m_IsSaving(false),
 	m_HasLoadFailed(false),
 	m_StayCount(0),
 	m_PosX(a_ChunkX),
-	m_PosY(a_ChunkY),
 	m_PosZ(a_ChunkZ),
 	m_World(a_World),
 	m_ChunkMap(a_ChunkMap),
@@ -165,11 +165,22 @@ cChunk::~cChunk()
 
 
 
-void cChunk::SetValid(void)
+void cChunk::SetPresence(cChunk::ePresence a_Presence)
 {
-	m_IsValid = true;
-	
-	m_World->GetChunkMap()->ChunkValidated();
+	m_Presence = a_Presence;
+	if (a_Presence == cpPresent)
+	{
+		m_World->GetChunkMap()->ChunkValidated();
+	}
+}
+
+
+
+
+
+void cChunk::SetShouldGenerateIfLoadFailed(bool a_ShouldGenerateIfLoadFailed)
+{
+	m_ShouldGenerateIfLoadFailed = a_ShouldGenerateIfLoadFailed;
 }
 
 
@@ -178,6 +189,9 @@ void cChunk::SetValid(void)
 
 void cChunk::MarkRegenerating(void)
 {
+	// Set as queued again:
+	SetPresence(cpQueued);
+
 	// Tell all clients attached to this chunk that they want this chunk:
 	for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr)
 	{
@@ -191,7 +205,11 @@ void cChunk::MarkRegenerating(void)
 
 bool cChunk::CanUnload(void)
 {
-	return m_LoadedByClient.empty() && !m_IsDirty && (m_StayCount == 0);
+	return
+		m_LoadedByClient.empty() &&  // The chunk is not used by any client
+		!m_IsDirty &&                // The chunk has been saved properly or hasn't been touched since the load / gen
+		(m_StayCount == 0) &&        // The chunk is not in a ChunkStay
+		(m_Presence != cpQueued) ;   // The chunk is not queued for loading / generating (otherwise multi-load / multi-gen could occur)
 }
 
 
@@ -223,7 +241,7 @@ void cChunk::MarkSaved(void)
 void cChunk::MarkLoaded(void)
 {
 	m_IsDirty = false;
-	SetValid();
+	SetPresence(cpPresent);
 }
 
 
@@ -232,12 +250,17 @@ void cChunk::MarkLoaded(void)
 
 void cChunk::MarkLoadFailed(void)
 {
-	if (m_IsValid)
+	ASSERT(m_Presence == cpQueued);
+
+	// If the chunk is marked as needed, generate it:
+	if (m_ShouldGenerateIfLoadFailed)
 	{
-		return;
+		m_World->GetGenerator().QueueGenerateChunk(m_PosX, m_PosZ, false);
+	}
+	else
+	{
+		m_Presence = cpInvalid;
 	}
-	
-	m_HasLoadFailed = true;
 }
 
 
@@ -246,6 +269,8 @@ void cChunk::MarkLoadFailed(void)
 
 void cChunk::GetAllData(cChunkDataCallback & a_Callback)
 {
+	ASSERT(m_Presence == cpPresent);
+
 	a_Callback.HeightMap(&m_HeightMap);
 	a_Callback.BiomeData(&m_BiomeMap);
 
@@ -272,6 +297,7 @@ void cChunk::SetAllData(cSetChunkData & a_SetChunkData)
 {
 	ASSERT(a_SetChunkData.IsHeightMapValid());
 	ASSERT(a_SetChunkData.AreBiomesValid());
+	ASSERT(IsQueued());
 	
 	memcpy(m_BiomeMap, a_SetChunkData.GetBiomes(), sizeof(m_BiomeMap));
 	memcpy(m_HeightMap, a_SetChunkData.GetHeightMap(), sizeof(m_HeightMap));
@@ -317,7 +343,7 @@ void cChunk::SetAllData(cSetChunkData & a_SetChunkData)
 	CreateBlockEntities();
 	
 	// Set the chunk data as valid. This may be needed for some simulators that perform actions upon block adding (Vaporize)
-	SetValid();
+	SetPresence(cpPresent);
 	
 	// Wake up all simulators for their respective blocks:
 	WakeUpSimulators();
@@ -653,7 +679,7 @@ void cChunk::MoveEntityToNewChunk(cEntity * a_Entity)
 	cChunk * Neighbor = GetNeighborChunk(a_Entity->GetChunkX() * cChunkDef::Width, a_Entity->GetChunkZ() * cChunkDef::Width);
 	if (Neighbor == NULL)
 	{
-		Neighbor = m_ChunkMap->GetChunkNoLoad(a_Entity->GetChunkX(), ZERO_CHUNK_Y, a_Entity->GetChunkZ());
+		Neighbor = m_ChunkMap->GetChunkNoLoad(a_Entity->GetChunkX(), a_Entity->GetChunkZ());
 		if (Neighbor == NULL)
 		{
 			// TODO: What to do with this?
@@ -1319,11 +1345,11 @@ void cChunk::CreateBlockEntities(void)
 					case E_BLOCK_JUKEBOX:
 					case E_BLOCK_FLOWER_POT:
 					{
-						if (!HasBlockEntityAt(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width))
+						if (!HasBlockEntityAt(x + m_PosX * Width, y, z + m_PosZ * Width))
 						{
 							m_BlockEntities.push_back(cBlockEntity::CreateByBlockType(
 								BlockType, GetMeta(x, y, z),
-								x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width, m_World
+								x + m_PosX * Width, y, z + m_PosZ * Width, m_World
 							));
 						}
 						break;
@@ -1960,6 +1986,30 @@ bool cChunk::ForEachEntity(cEntityCallback & a_Callback)
 
 
 
+bool cChunk::ForEachEntityInBox(const cBoundingBox & a_Box, cEntityCallback & a_Callback)
+{
+	// The entity list is locked by the parent chunkmap's CS
+	for (cEntityList::iterator itr = m_Entities.begin(), itr2 = itr; itr != m_Entities.end(); itr = itr2)
+	{
+		++itr2;
+		cBoundingBox EntBox((*itr)->GetPosition(), (*itr)->GetWidth() / 2, (*itr)->GetHeight());
+		if (!EntBox.DoesIntersect(a_Box))
+		{
+			// The entity is not in the specified box
+			continue;
+		}
+		if (a_Callback.Item(*itr))
+		{
+			return false;
+		}
+	}  // for itr - m_Entitites[]
+	return true;
+}
+
+
+
+
+
 bool cChunk::DoWithEntityByID(int a_EntityID, cEntityCallback & a_Callback, bool & a_CallbackResult)
 {
 	// The entity list is locked by the parent chunkmap's CS
@@ -2165,7 +2215,7 @@ bool cChunk::DoWithRedstonePoweredEntityAt(int a_BlockX, int a_BlockY, int a_Blo
 			}
 		}
 		
-		if (a_Callback.Item((cRedstonePoweredEntity *)*itr))
+		if (a_Callback.Item(dynamic_cast<cRedstonePoweredEntity *>(*itr)))  // Needs dynamic_cast due to multiple inheritance
 		{
 			return false;
 		}
@@ -2603,7 +2653,7 @@ cChunk * cChunk::GetRelNeighborChunk(int a_RelX, int a_RelZ)
 		int BlockZ = m_PosZ * cChunkDef::Width + a_RelZ;
 		int ChunkX, ChunkZ;
 		BlockToChunk(BlockX, BlockZ, ChunkX, ChunkZ);
-		return m_ChunkMap->GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+		return m_ChunkMap->GetChunkNoLoad(ChunkX, ChunkZ);
 	}
 
 	// Walk the neighbors:
@@ -3128,7 +3178,7 @@ void cChunk::PositionToWorldPosition(int a_RelX, int a_RelY, int a_RelZ, int & a
 
 Vector3i cChunk::PositionToWorldPosition(int a_RelX, int a_RelY, int a_RelZ)
 {
-	return Vector3i(m_PosX * Width + a_RelX, m_PosY * Height + a_RelY, m_PosZ * Width + a_RelZ);
+	return Vector3i(m_PosX * Width + a_RelX, a_RelY, m_PosZ * Width + a_RelZ);
 }
 
 
diff --git a/src/Chunk.h b/src/Chunk.h
index e5de22e3b..f282694c2 100644
--- a/src/Chunk.h
+++ b/src/Chunk.h
@@ -66,8 +66,16 @@ class cChunk :
 	public cChunkDef  // The inheritance is "misused" here only to inherit the functions and constants defined in cChunkDef
 {
 public:
+	/** Represents the presence state of the chunk */
+	enum ePresence
+	{
+		cpInvalid,  /**< The chunk is not present at all and is not queued in the loader / generator */
+		cpQueued,   /**< The chunk is not present, but is queued for loading / generation */
+		cpPresent,  /**< The chunk is present */
+	};
+
 	cChunk(
-		int a_ChunkX, int a_ChunkY, int a_ChunkZ,   // Chunk coords
+		int a_ChunkX, int a_ChunkZ,   // Chunk coords
 		cChunkMap * a_ChunkMap, cWorld * a_World,   // Parent objects
 		cChunk * a_NeighborXM, cChunk * a_NeighborXP, cChunk * a_NeighborZM, cChunk * a_NeighborZP,  // Neighbor chunks
 		cAllocationPool<cChunkData::sChunkSection> & a_Pool
@@ -75,11 +83,25 @@ public:
 	cChunk(cChunk & other);
 	~cChunk();
 
-	bool IsValid(void) const {return m_IsValid; }  // Returns true if the chunk block data is valid (loaded / generated)
-	void SetValid(void);                           // Also wakes up any calls to cChunkMap::GetHeight()
-	void MarkRegenerating(void);                   // Marks all clients attached to this chunk as wanting this chunk
-	bool IsDirty(void) const {return m_IsDirty; }  // Returns true if the chunk has changed since it was last saved
-	bool HasLoadFailed(void) const {return m_HasLoadFailed; }  // Returns true if the chunk failed to load and hasn't been generated since then
+	/** Returns true iff the chunk block data is valid (loaded / generated) */
+	bool IsValid(void) const {return (m_Presence == cpPresent); }
+
+	/** Returns true iff the chunk is in the queue for loading / generating */
+	bool IsQueued(void) const {return (m_Presence == cpQueued); }
+
+	/** Sets the chunk's presence.
+	Wakes up any calls to cChunkMap::GetHeight() when setting to cpPresent. */
+	void SetPresence(ePresence a_Presence);
+
+	/** Called to indicate whether the chunk should be queued in the generator if it fails to load. Set by cChunkMap::GetChunk(). */
+	void SetShouldGenerateIfLoadFailed(bool a_ShouldGenerateIfLoadFailed);
+
+	/** Marks all clients attached to this chunk as wanting this chunk. Also sets presence to cpQueued. */
+	void MarkRegenerating(void);
+
+	/** Returns true iff the chunk has changed since it was last saved. */
+	bool IsDirty(void) const {return m_IsDirty; }
+
 	bool CanUnload(void);
 	
 	bool IsLightValid(void) const {return m_IsLightValid; }
@@ -94,7 +116,10 @@ public:
 	void MarkSaving(void);  // Marks the chunk as being saved.
 	void MarkSaved(void);  // Marks the chunk as saved, if it didn't change from the last call to MarkSaving()
 	void MarkLoaded(void);  // Marks the chunk as freshly loaded. Fails if the chunk is already valid
-	void MarkLoadFailed(void);  // Marks the chunk as failed to load. Ignored is the chunk is already valid
+
+	/** Marks the chunk as failed to load.
+	If m_ShouldGenerateIfLoadFailed is set, queues the chunk for generating. */
+	void MarkLoadFailed(void);
 	
 	/** Gets all chunk data, calls the a_Callback's methods for each data type */
 	void GetAllData(cChunkDataCallback & a_Callback);
@@ -135,7 +160,6 @@ public:
 	void TickBlock(int a_RelX, int a_RelY, int a_RelZ);
 
 	int GetPosX(void) const { return m_PosX; }
-	int GetPosY(void) const { return m_PosY; }
 	int GetPosZ(void) const { return m_PosZ; }
 	
 	cWorld * GetWorld(void) const { return m_World; }
@@ -216,6 +240,10 @@ public:
 	/** Calls the callback for each entity; returns true if all entities processed, false if the callback aborted by returning true */
 	bool ForEachEntity(cEntityCallback & a_Callback);  // Lua-accessible
 
+	/** Calls the callback for each entity that has a nonempty intersection with the specified boundingbox.
+	Returns true if all entities processed, false if the callback aborted by returning true. */
+	bool ForEachEntityInBox(const cBoundingBox & a_Box, cEntityCallback & a_Callback);  // Lua-accessible
+
 	/** Calls the callback if the entity with the specified ID is found, with the entity object as the callback param. Returns true if entity found. */
 	bool DoWithEntityByID(int a_EntityID, cEntityCallback & a_Callback, bool & a_CallbackResult);  // Lua-accessible
 
@@ -430,7 +458,12 @@ private:
 	typedef std::vector<sSetBlockQueueItem> sSetBlockQueueVector;
 	
 
-	bool m_IsValid;        // True if the chunk is loaded / generated
+	/** Holds the presence status of the chunk - if it is present, or in the loader / generator queue, or unloaded */
+	ePresence m_Presence;
+
+	/** If the chunk fails to load, should it be queued in the generator or reset back to invalid? */
+	bool m_ShouldGenerateIfLoadFailed;
+
 	bool m_IsLightValid;   // True if the blocklight and skylight are calculated
 	bool m_IsDirty;        // True if the chunk has changed since it was last saved
 	bool m_IsSaving;       // True if the chunk is being saved
@@ -449,7 +482,7 @@ private:
 	/** Number of times the chunk has been requested to stay (by various cChunkStay objects); if zero, the chunk can be unloaded */
 	int m_StayCount;
 
-	int m_PosX, m_PosY, m_PosZ;
+	int m_PosX, m_PosZ;
 	cWorld *    m_World;
 	cChunkMap * m_ChunkMap;
 
diff --git a/src/ChunkDef.h b/src/ChunkDef.h
index b8b4291c7..f4ed66c4b 100644
--- a/src/ChunkDef.h
+++ b/src/ChunkDef.h
@@ -16,11 +16,6 @@
 
 
 
-/** This is really only a placeholder to be used in places where we need to "make up" a chunk's Y coord.
-It will help us when the new chunk format comes out and we need to patch everything up for compatibility.
-*/
-#define ZERO_CHUNK_Y 0
-
 // Used to smoothly convert to new axis ordering. One will be removed when deemed stable.
 #define AXIS_ORDER_YZX 1  // Original (1.1-)
 #define AXIS_ORDER_XZY 2  // New (1.2+)
@@ -377,14 +372,13 @@ class cChunkCoords
 {
 public:
 	int m_ChunkX;
-	int m_ChunkY;
 	int m_ChunkZ;
 	
-	cChunkCoords(int a_ChunkX, int a_ChunkY, int a_ChunkZ) : m_ChunkX(a_ChunkX), m_ChunkY(a_ChunkY), m_ChunkZ(a_ChunkZ) {}
+	cChunkCoords(int a_ChunkX, int a_ChunkZ) : m_ChunkX(a_ChunkX), m_ChunkZ(a_ChunkZ) {}
 	
 	bool operator == (const cChunkCoords & a_Other) const
 	{
-		return ((m_ChunkX == a_Other.m_ChunkX) && (m_ChunkY == a_Other.m_ChunkY) && (m_ChunkZ == a_Other.m_ChunkZ));
+		return ((m_ChunkX == a_Other.m_ChunkX) && (m_ChunkZ == a_Other.m_ChunkZ));
 	}
 } ;
 
@@ -395,6 +389,27 @@ typedef std::vector<cChunkCoords> cChunkCoordsVector;
 
 
 
+class cChunkCoordsWithBool
+{
+public:
+	int m_ChunkX;
+	int m_ChunkZ;
+	bool m_ForceGenerate;
+
+	cChunkCoordsWithBool(int a_ChunkX, int a_ChunkZ, bool a_ForceGenerate) : m_ChunkX(a_ChunkX), m_ChunkZ(a_ChunkZ), m_ForceGenerate(a_ForceGenerate){}
+
+	bool operator == (const cChunkCoordsWithBool & a_Other) const
+	{
+		return ((m_ChunkX == a_Other.m_ChunkX) && (m_ChunkZ == a_Other.m_ChunkZ) && (m_ForceGenerate == a_Other.m_ForceGenerate));
+	}
+};
+
+typedef std::list<cChunkCoordsWithBool> cChunkCoordsWithBoolList;
+
+
+
+
+
 /// Interface class used as a callback for operations that involve chunk coords
 class cChunkCoordCallback
 {
diff --git a/src/ChunkMap.cpp b/src/ChunkMap.cpp
index a3692ef11..9c105c5af 100644
--- a/src/ChunkMap.cpp
+++ b/src/ChunkMap.cpp
@@ -143,26 +143,27 @@ cChunkMap::cChunkLayer * cChunkMap::GetLayerForChunk(int a_ChunkX, int a_ChunkZ)
 
 
 
-cChunkPtr cChunkMap::GetChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+cChunkPtr cChunkMap::GetChunk(int a_ChunkX, int a_ChunkZ)
 {
-	// No need to lock m_CSLayers, since it's already locked by the operation that called us
-	ASSERT(m_CSLayers.IsLockedByCurrentThread());
+	ASSERT(m_CSLayers.IsLockedByCurrentThread());  // m_CSLayers should already be locked by the operation that called us
 
-	cChunkLayer * Layer = GetLayerForChunk( a_ChunkX, a_ChunkZ);
+	cChunkLayer * Layer = GetLayerForChunk(a_ChunkX, a_ChunkZ);
 	if (Layer == NULL)
 	{
 		// An error must have occurred, since layers are automatically created if they don't exist
 		return NULL;
 	}
 	
-	cChunkPtr Chunk = Layer->GetChunk(a_ChunkX, a_ChunkY, a_ChunkZ);
+	cChunkPtr Chunk = Layer->GetChunk(a_ChunkX, a_ChunkZ);
 	if (Chunk == NULL)
 	{
 		return NULL;
 	}
-	if (!(Chunk->IsValid()))
+	if (!Chunk->IsValid() && !Chunk->IsQueued())
 	{
-		m_World->GetStorage().QueueLoadChunk(a_ChunkX, a_ChunkY, a_ChunkZ, true);
+		Chunk->SetPresence(cChunk::cpQueued);
+		Chunk->SetShouldGenerateIfLoadFailed(true);
+		m_World->GetStorage().QueueLoadChunk(a_ChunkX, a_ChunkZ);
 	}
 	return Chunk;
 }
@@ -171,24 +172,26 @@ cChunkPtr cChunkMap::GetChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
 
 
 
-cChunkPtr cChunkMap::GetChunkNoGen( int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+cChunkPtr cChunkMap::GetChunkNoGen(int a_ChunkX, int a_ChunkZ)
 {
-	// No need to lock m_CSLayers, since it's already locked by the operation that called us
-	cChunkLayer * Layer = GetLayerForChunk( a_ChunkX, a_ChunkZ);
+	ASSERT(m_CSLayers.IsLockedByCurrentThread());  // m_CSLayers should already be locked by the operation that called us
+
+	cChunkLayer * Layer = GetLayerForChunk(a_ChunkX, a_ChunkZ);
 	if (Layer == NULL)
 	{
 		// An error must have occurred, since layers are automatically created if they don't exist
 		return NULL;
 	}
 	
-	cChunkPtr Chunk = Layer->GetChunk(a_ChunkX, a_ChunkY, a_ChunkZ);
+	cChunkPtr Chunk = Layer->GetChunk(a_ChunkX, a_ChunkZ);
 	if (Chunk == NULL)
 	{
 		return NULL;
 	}
-	if (!(Chunk->IsValid()))
+	if (!Chunk->IsValid() && !Chunk->IsQueued())
 	{
-		m_World->GetStorage().QueueLoadChunk(a_ChunkX, a_ChunkY, a_ChunkZ, false);
+		Chunk->SetPresence(cChunk::cpQueued);
+		m_World->GetStorage().QueueLoadChunk(a_ChunkX, a_ChunkZ);
 	}
 	
 	return Chunk;
@@ -198,9 +201,10 @@ cChunkPtr cChunkMap::GetChunkNoGen( int a_ChunkX, int a_ChunkY, int a_ChunkZ)
 
 
 
-cChunkPtr cChunkMap::GetChunkNoLoad( int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+cChunkPtr cChunkMap::GetChunkNoLoad( int a_ChunkX, int a_ChunkZ)
 {
-	// No need to lock m_CSLayers, since it's already locked by the operation that called us
+	ASSERT(m_CSLayers.IsLockedByCurrentThread());  // m_CSLayers should already be locked by the operation that called us
+
 	cChunkLayer * Layer = GetLayerForChunk( a_ChunkX, a_ChunkZ);
 	if (Layer == NULL)
 	{
@@ -208,7 +212,7 @@ cChunkPtr cChunkMap::GetChunkNoLoad( int a_ChunkX, int a_ChunkY, int a_ChunkZ)
 		return NULL;
 	}
 	
-	return Layer->GetChunk(a_ChunkX, a_ChunkY, a_ChunkZ);
+	return Layer->GetChunk(a_ChunkX, a_ChunkZ);
 }
 
 
@@ -222,7 +226,7 @@ bool cChunkMap::LockedGetBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTY
 
 	int ChunkX, ChunkZ;
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ChunkZ);
 	if (Chunk == NULL)
 	{
 		return false;
@@ -244,7 +248,7 @@ bool cChunkMap::LockedGetBlockType(int a_BlockX, int a_BlockY, int a_BlockZ, BLO
 
 	int ChunkX, ChunkZ;
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ChunkZ);
 	if (Chunk == NULL)
 	{
 		return false;
@@ -265,7 +269,7 @@ bool cChunkMap::LockedGetBlockMeta(int a_BlockX, int a_BlockY, int a_BlockZ, NIB
 	
 	int ChunkX, ChunkZ;
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ChunkZ);
 	if (Chunk == NULL)
 	{
 		return false;
@@ -284,7 +288,7 @@ bool cChunkMap::LockedSetBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTY
 	// We already have m_CSLayers locked since this can be called only from within the tick thread
 	int ChunkX, ChunkZ;
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ChunkZ);
 	if (Chunk == NULL)
 	{
 		return false;
@@ -303,7 +307,7 @@ bool cChunkMap::LockedFastSetBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLO
 	// We already have m_CSLayers locked since this can be called only from within the tick thread
 	int ChunkX, ChunkZ;
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ChunkZ);
 	if (Chunk == NULL)
 	{
 		return false;
@@ -336,7 +340,7 @@ cChunk * cChunkMap::FindChunk(int a_ChunkX, int a_ChunkZ)
 void cChunkMap::BroadcastAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -356,7 +360,7 @@ void cChunkMap::BroadcastBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, c
 	x = a_BlockX;
 	z = a_BlockZ;
 	cChunkDef::BlockToChunk(x, z, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if (Chunk == NULL)
 	{
 		return;
@@ -375,7 +379,7 @@ void cChunkMap::BroadcastBlockBreakAnimation(int a_entityID, int a_blockX, int a
 	int ChunkX, ChunkZ;
 
 	cChunkDef::BlockToChunk(a_blockX, a_blockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, 0, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if (Chunk == NULL)
 	{
 		return;
@@ -393,7 +397,7 @@ void cChunkMap::BroadcastBlockEntity(int a_BlockX, int a_BlockY, int a_BlockZ, c
 	cCSLock Lock(m_CSLayers);
 	int ChunkX, ChunkZ;
 	cChunkDef::BlockToChunk(a_BlockX, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, 0, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return;
@@ -408,7 +412,7 @@ void cChunkMap::BroadcastBlockEntity(int a_BlockX, int a_BlockY, int a_BlockZ, c
 void cChunkMap::BroadcastChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSerializer & a_Serializer, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, 0, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if (Chunk == NULL)
 	{
 		return;
@@ -424,7 +428,7 @@ void cChunkMap::BroadcastChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataSeriali
 void cChunkMap::BroadcastCollectEntity(const cEntity & a_Entity, const cPlayer & a_Player, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -440,7 +444,7 @@ void cChunkMap::BroadcastCollectEntity(const cEntity & a_Entity, const cPlayer &
 void cChunkMap::BroadcastDestroyEntity(const cEntity & a_Entity, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -456,7 +460,7 @@ void cChunkMap::BroadcastDestroyEntity(const cEntity & a_Entity, const cClientHa
 void cChunkMap::BroadcastEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -472,7 +476,7 @@ void cChunkMap::BroadcastEntityEffect(const cEntity & a_Entity, int a_EffectID,
 void cChunkMap::BroadcastEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -488,7 +492,7 @@ void cChunkMap::BroadcastEntityEquipment(const cEntity & a_Entity, short a_SlotN
 void cChunkMap::BroadcastEntityHeadLook(const cEntity & a_Entity, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -504,7 +508,7 @@ void cChunkMap::BroadcastEntityHeadLook(const cEntity & a_Entity, const cClientH
 void cChunkMap::BroadcastEntityLook(const cEntity & a_Entity, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -520,7 +524,7 @@ void cChunkMap::BroadcastEntityLook(const cEntity & a_Entity, const cClientHandl
 void cChunkMap::BroadcastEntityMetadata(const cEntity & a_Entity, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -536,7 +540,7 @@ void cChunkMap::BroadcastEntityMetadata(const cEntity & a_Entity, const cClientH
 void cChunkMap::BroadcastEntityRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -552,7 +556,7 @@ void cChunkMap::BroadcastEntityRelMove(const cEntity & a_Entity, char a_RelX, ch
 void cChunkMap::BroadcastEntityRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -568,7 +572,7 @@ void cChunkMap::BroadcastEntityRelMoveLook(const cEntity & a_Entity, char a_RelX
 void cChunkMap::BroadcastEntityStatus(const cEntity & a_Entity, char a_Status, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -584,7 +588,7 @@ void cChunkMap::BroadcastEntityStatus(const cEntity & a_Entity, char a_Status, c
 void cChunkMap::BroadcastEntityVelocity(const cEntity & a_Entity, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -600,7 +604,7 @@ void cChunkMap::BroadcastEntityVelocity(const cEntity & a_Entity, const cClientH
 void cChunkMap::BroadcastEntityAnimation(const cEntity & a_Entity, char a_Animation, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -619,7 +623,7 @@ void cChunkMap::BroadcastParticleEffect(const AString & a_ParticleName, float a_
 	int ChunkX, ChunkZ;
 
 	cChunkDef::BlockToChunk((int) a_SrcX, (int) a_SrcZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, 0, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if (Chunk == NULL)
 	{
 		return;
@@ -636,7 +640,7 @@ void cChunkMap::BroadcastRemoveEntityEffect(const cEntity & a_Entity, int a_Effe
 {
 	cCSLock Lock(m_CSLayers);
 	
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -655,7 +659,7 @@ void cChunkMap::BroadcastSoundEffect(const AString & a_SoundName, double a_X, do
 	int ChunkX, ChunkZ;
 
 	cChunkDef::BlockToChunk((int)std::floor(a_X), (int)std::floor(a_Z), ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, 0, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if (Chunk == NULL)
 	{
 		return;
@@ -674,7 +678,7 @@ void cChunkMap::BroadcastSoundParticleEffect(int a_EffectID, int a_SrcX, int a_S
 	int ChunkX, ChunkZ;
 
 	cChunkDef::BlockToChunk(a_SrcX, a_SrcZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, 0, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if (Chunk == NULL)
 	{
 		return;
@@ -690,7 +694,7 @@ void cChunkMap::BroadcastSoundParticleEffect(int a_EffectID, int a_SrcX, int a_S
 void cChunkMap::BroadcastSpawnEntity(cEntity & a_Entity, const cClientHandle * a_Exclude)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), ZERO_CHUNK_Y, a_Entity.GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity.GetChunkX(), a_Entity.GetChunkZ());
 	if (Chunk == NULL)
 	{
 		return;
@@ -708,7 +712,7 @@ void cChunkMap::BroadcastThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ, c
 	cCSLock Lock(m_CSLayers);
 	int ChunkX, ChunkZ;
 	cChunkDef::BlockToChunk(a_BlockX, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, 0, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if (Chunk == NULL)
 	{
 		return;
@@ -727,7 +731,7 @@ void cChunkMap::BroadcastUseBed(const cEntity & a_Entity, int a_BlockX, int a_Bl
 	int ChunkX, ChunkZ;
 
 	cChunkDef::BlockToChunk(a_BlockX, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, 0, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if (Chunk == NULL)
 	{
 		return;
@@ -745,7 +749,7 @@ void cChunkMap::SendBlockEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cClien
 	cCSLock Lock(m_CSLayers);
 	int ChunkX, ChunkZ;
 	cChunkDef::BlockToChunk(a_BlockX, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, 0, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return;
@@ -763,7 +767,7 @@ void cChunkMap::UseBlockEntity(cPlayer * a_Player, int a_BlockX, int a_BlockY, i
 	cCSLock Lock(m_CSLayers);
 	int ChunkX, ChunkZ;
 	cChunkDef::BlockToChunk(a_BlockX, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, 0, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return;
@@ -778,7 +782,7 @@ void cChunkMap::UseBlockEntity(cPlayer * a_Player, int a_BlockX, int a_BlockY, i
 bool cChunkMap::DoWithChunk(int a_ChunkX, int a_ChunkZ, cChunkCallback & a_Callback)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, a_ChunkZ);
 	if (Chunk == NULL)
 	{
 		return false;
@@ -795,7 +799,7 @@ void cChunkMap::WakeUpSimulators(int a_BlockX, int a_BlockY, int a_BlockZ)
 	cCSLock Lock(m_CSLayers);
 	int ChunkX, ChunkZ;
 	cChunkDef::BlockToChunk(a_BlockX, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, 0, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return;
@@ -824,7 +828,7 @@ void cChunkMap::WakeUpSimulatorsInArea(int a_MinBlockX, int a_MaxBlockX, int a_M
 		int MaxZ = std::min(a_MaxBlockZ, z * cChunkDef::Width + cChunkDef::Width - 1);
 		for (int x = MinChunkX; x <= MaxChunkX; x++)
 		{
-			cChunkPtr Chunk = GetChunkNoGen(x, 0, z);
+			cChunkPtr Chunk = GetChunkNoGen(x, z);
 			if ((Chunk == NULL) || !Chunk->IsValid())
 			{
 				continue;
@@ -852,7 +856,7 @@ void cChunkMap::WakeUpSimulatorsInArea(int a_MinBlockX, int a_MaxBlockX, int a_M
 void cChunkMap::MarkRedstoneDirty(int a_ChunkX, int a_ChunkZ)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return;
@@ -867,7 +871,7 @@ void cChunkMap::MarkRedstoneDirty(int a_ChunkX, int a_ChunkZ)
 void cChunkMap::MarkChunkDirty(int a_ChunkX, int a_ChunkZ, bool a_MarkRedstoneDirty)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return;
@@ -886,7 +890,7 @@ void cChunkMap::MarkChunkDirty(int a_ChunkX, int a_ChunkZ, bool a_MarkRedstoneDi
 void cChunkMap::MarkChunkSaving(int a_ChunkX, int a_ChunkZ)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return;
@@ -901,7 +905,7 @@ void cChunkMap::MarkChunkSaving(int a_ChunkX, int a_ChunkZ)
 void cChunkMap::MarkChunkSaved (int a_ChunkX, int a_ChunkZ)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return;
@@ -919,7 +923,7 @@ void cChunkMap::SetChunkData(cSetChunkData & a_SetChunkData)
 	int ChunkZ = a_SetChunkData.GetChunkZ();
 	{
 		cCSLock Lock(m_CSLayers);
-		cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+		cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ChunkZ);
 		if (Chunk == NULL)
 		{
 			return;
@@ -964,7 +968,7 @@ void cChunkMap::ChunkLighted(
 )
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, a_ChunkZ);
 	if (Chunk == NULL)
 	{
 		return;
@@ -980,7 +984,7 @@ void cChunkMap::ChunkLighted(
 bool cChunkMap::GetChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataCallback & a_Callback)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -996,7 +1000,7 @@ bool cChunkMap::GetChunkData(int a_ChunkX, int a_ChunkZ, cChunkDataCallback & a_
 bool cChunkMap::GetChunkBlockTypes(int a_ChunkX, int a_ChunkZ, BLOCKTYPE * a_BlockTypes)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -1009,10 +1013,21 @@ bool cChunkMap::GetChunkBlockTypes(int a_ChunkX, int a_ChunkZ, BLOCKTYPE * a_Blo
 
 
 
+bool cChunkMap::IsChunkQueued(int a_ChunkX, int a_ChunkZ)
+{
+	cCSLock Lock(m_CSLayers);
+	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, a_ChunkZ);
+	return (Chunk != NULL) && Chunk->IsQueued();
+}
+
+
+
+
+
 bool cChunkMap::IsChunkValid(int a_ChunkX, int a_ChunkZ)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, a_ChunkZ);
 	return (Chunk != NULL) && Chunk->IsValid();
 }
 
@@ -1023,7 +1038,7 @@ bool cChunkMap::IsChunkValid(int a_ChunkX, int a_ChunkZ)
 bool cChunkMap::HasChunkAnyClients(int a_ChunkX, int a_ChunkZ)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	return (Chunk != NULL) && Chunk->HasAnyClients();
 }
 
@@ -1038,7 +1053,7 @@ int  cChunkMap::GetHeight(int a_BlockX, int a_BlockZ)
 		cCSLock Lock(m_CSLayers);
 		int ChunkX, ChunkZ, BlockY = 0;
 		cChunkDef::AbsoluteToRelative(a_BlockX, BlockY, a_BlockZ, ChunkX, ChunkZ);
-		cChunkPtr Chunk = GetChunk(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+		cChunkPtr Chunk = GetChunk(ChunkX, ChunkZ);
 		if (Chunk == NULL)
 		{
 			return 0;
@@ -1065,7 +1080,7 @@ bool cChunkMap::TryGetHeight(int a_BlockX, int a_BlockZ, int & a_Height)
 	cCSLock Lock(m_CSLayers);
 	int ChunkX, ChunkZ, BlockY = 0;
 	cChunkDef::AbsoluteToRelative(a_BlockX, BlockY, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -1088,7 +1103,7 @@ void cChunkMap::FastSetBlocks(sSetBlockList & a_BlockList)
 		int ChunkX = a_BlockList.front().ChunkX;
 		int ChunkZ = a_BlockList.front().ChunkZ;
 		cCSLock Lock(m_CSLayers);
-		cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+		cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 		if ((Chunk != NULL) && Chunk->IsValid())
 		{
 			for (sSetBlockList::iterator itr = a_BlockList.begin(); itr != a_BlockList.end();)
@@ -1135,7 +1150,7 @@ void cChunkMap::CollectPickupsByPlayer(cPlayer * a_Player)
 	int BlockX = (int)(a_Player->GetPosX());  // Truncating doesn't matter much; we're scanning entire chunks anyway
 	int BlockY = (int)(a_Player->GetPosY());
 	int BlockZ = (int)(a_Player->GetPosZ());
-	int ChunkX, ChunkZ, ChunkY = ZERO_CHUNK_Y;
+	int ChunkX = 0, ChunkZ = 0;
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	int OtherChunkX = ChunkX + ((BlockX > 8) ? 1 : -1);
 	int OtherChunkZ = ChunkZ + ((BlockZ > 8) ? 1 : -1);
@@ -1144,13 +1159,13 @@ void cChunkMap::CollectPickupsByPlayer(cPlayer * a_Player)
 	// The only time the chunks are not valid is when the player is downloading the initial world and they should not call this at that moment
 	
 	cCSLock Lock(m_CSLayers);
-	GetChunkNoLoad(ChunkX, ChunkY, ChunkZ)->CollectPickupsByPlayer(a_Player);
+	GetChunkNoLoad(ChunkX, ChunkZ)->CollectPickupsByPlayer(a_Player);
 
 	// Check the neighboring chunks as well:
-	GetChunkNoLoad(OtherChunkX, ChunkY, ChunkZ)->CollectPickupsByPlayer     (a_Player);
-	GetChunkNoLoad(OtherChunkX, ChunkY, OtherChunkZ)->CollectPickupsByPlayer(a_Player);
-	GetChunkNoLoad(ChunkX,      ChunkY, ChunkZ)->CollectPickupsByPlayer     (a_Player);
-	GetChunkNoLoad(ChunkX,      ChunkY, OtherChunkZ)->CollectPickupsByPlayer(a_Player);
+	GetChunkNoLoad(OtherChunkX, ChunkZ)->CollectPickupsByPlayer     (a_Player);
+	GetChunkNoLoad(OtherChunkX, OtherChunkZ)->CollectPickupsByPlayer(a_Player);
+	GetChunkNoLoad(ChunkX,      ChunkZ)->CollectPickupsByPlayer     (a_Player);
+	GetChunkNoLoad(ChunkX,      OtherChunkZ)->CollectPickupsByPlayer(a_Player);
 }
 
 
@@ -1177,7 +1192,7 @@ BLOCKTYPE cChunkMap::GetBlock(int a_BlockX, int a_BlockY, int a_BlockZ)
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
 	
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunk(ChunkX, ChunkZ);
 	if ((Chunk != NULL) && Chunk->IsValid())
 	{
 		return Chunk->GetBlock(a_BlockX, a_BlockY, a_BlockZ);
@@ -1206,7 +1221,7 @@ NIBBLETYPE cChunkMap::GetBlockMeta(int a_BlockX, int a_BlockY, int a_BlockZ)
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
 	
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk( ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunk( ChunkX, ChunkZ);
 	if ((Chunk != NULL) && Chunk->IsValid())
 	{
 		return Chunk->GetMeta(a_BlockX, a_BlockY, a_BlockZ);
@@ -1224,7 +1239,7 @@ NIBBLETYPE cChunkMap::GetBlockSkyLight(int a_BlockX, int a_BlockY, int a_BlockZ)
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
 
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk( ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunk( ChunkX, ChunkZ);
 	if ((Chunk != NULL) && Chunk->IsValid())
 	{
 		return Chunk->GetSkyLight(a_BlockX, a_BlockY, a_BlockZ);
@@ -1242,7 +1257,7 @@ NIBBLETYPE cChunkMap::GetBlockBlockLight(int a_BlockX, int a_BlockY, int a_Block
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
 
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk( ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunk( ChunkX, ChunkZ);
 	if ((Chunk != NULL) && Chunk->IsValid())
 	{
 		return Chunk->GetBlockLight(a_BlockX, a_BlockY, a_BlockZ);
@@ -1261,7 +1276,7 @@ void cChunkMap::SetBlockMeta(int a_BlockX, int a_BlockY, int a_BlockZ, NIBBLETYP
 	// a_BlockXYZ now contains relative coords!
 
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunk(ChunkX, ChunkZ);
 	if ((Chunk != NULL) && Chunk->IsValid())
 	{
 		Chunk->SetMeta(a_BlockX, a_BlockY, a_BlockZ, a_BlockMeta);
@@ -1284,7 +1299,7 @@ void cChunkMap::SetBlock(cWorldInterface & a_WorldInterface, int a_BlockX, int a
 	cChunkDef::AbsoluteToRelative( X, Y, Z, ChunkX, ChunkZ);
 
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk( ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunk( ChunkX, ChunkZ);
 	if ((Chunk != NULL) && Chunk->IsValid())
 	{
 		Chunk->SetBlock(X, Y, Z, a_BlockType, a_BlockMeta, a_SendToClients);
@@ -1303,7 +1318,7 @@ void cChunkMap::QueueSetBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYP
 	cChunkDef::AbsoluteToRelative(X, Y, Z, ChunkX, ChunkZ);
 
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunk(ChunkX, ChunkZ);
 	if ((Chunk != NULL) && Chunk->IsValid())
 	{
 		Chunk->QueueSetBlock(X, Y, Z, a_BlockType, a_BlockMeta, a_Tick, a_PreviousBlockType);
@@ -1320,7 +1335,7 @@ bool cChunkMap::GetBlockTypeMeta(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCK
 	cChunkDef::AbsoluteToRelative( X, Y, Z, ChunkX, ChunkZ);
 
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk( ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunk( ChunkX, ChunkZ);
 	if ((Chunk != NULL) && Chunk->IsValid())
 	{
 		Chunk->GetBlockTypeMeta(X, Y, Z, a_BlockType, a_BlockMeta);
@@ -1339,7 +1354,7 @@ bool cChunkMap::GetBlockInfo(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE
 	cChunkDef::AbsoluteToRelative( X, Y, Z, ChunkX, ChunkZ);
 
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk( ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunk( ChunkX, ChunkZ);
 	if ((Chunk != NULL) && Chunk->IsValid())
 	{
 		Chunk->GetBlockInfo(X, Y, Z, a_BlockType, a_Meta, a_SkyLight, a_BlockLight);
@@ -1357,7 +1372,7 @@ void cChunkMap::ReplaceBlocks(const sSetBlockVector & a_Blocks, BLOCKTYPE a_Filt
 	cCSLock Lock(m_CSLayers);
 	for (sSetBlockVector::const_iterator itr = a_Blocks.begin(); itr != a_Blocks.end(); ++itr)
 	{
-		cChunkPtr Chunk = GetChunk(itr->ChunkX, ZERO_CHUNK_Y, itr->ChunkZ);
+		cChunkPtr Chunk = GetChunk(itr->ChunkX, itr->ChunkZ);
 		if ((Chunk == NULL) || !Chunk->IsValid())
 		{
 			continue;
@@ -1378,7 +1393,7 @@ void cChunkMap::ReplaceTreeBlocks(const sSetBlockVector & a_Blocks)
 	cCSLock Lock(m_CSLayers);
 	for (sSetBlockVector::const_iterator itr = a_Blocks.begin(); itr != a_Blocks.end(); ++itr)
 	{
-		cChunkPtr Chunk = GetChunk(itr->ChunkX, ZERO_CHUNK_Y, itr->ChunkZ);
+		cChunkPtr Chunk = GetChunk(itr->ChunkX, itr->ChunkZ);
 		if ((Chunk == NULL) || !Chunk->IsValid())
 		{
 			continue;
@@ -1413,7 +1428,7 @@ EMCSBiome cChunkMap::GetBiomeAt (int a_BlockX, int a_BlockZ)
 	cChunkDef::AbsoluteToRelative(X, Y, Z, ChunkX, ChunkZ);
 
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunk(ChunkX, ChunkZ);
 	if ((Chunk != NULL) && Chunk->IsValid())
 	{
 		return Chunk->GetBiomeAt(X, Z);
@@ -1434,7 +1449,7 @@ bool cChunkMap::SetBiomeAt(int a_BlockX, int a_BlockZ, EMCSBiome a_Biome)
 	cChunkDef::AbsoluteToRelative(X, Y, Z, ChunkX, ChunkZ);
 
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunk(ChunkX, ChunkZ);
 	if ((Chunk != NULL) && Chunk->IsValid())
 	{
 		Chunk->SetBiomeAt(X, Z, a_Biome);
@@ -1467,7 +1482,7 @@ bool cChunkMap::SetAreaBiome(int a_MinX, int a_MaxX, int a_MinZ, int a_MaxZ, EMC
 		{
 			int MinRelZ = (z == MinChunkZ) ? MinZ : 0;
 			int MaxRelZ = (z == MaxChunkZ) ? MaxZ : cChunkDef::Width - 1;
-			cChunkPtr Chunk = GetChunkNoLoad(x, ZERO_CHUNK_Y, z);
+			cChunkPtr Chunk = GetChunkNoLoad(x, z);
 			if ((Chunk != NULL) && Chunk->IsValid())
 			{
 				Chunk->SetAreaBiome(MinRelX, MaxRelX, MinRelZ, MaxRelZ, a_Biome);
@@ -1491,7 +1506,7 @@ bool cChunkMap::GetBlocks(sSetBlockVector & a_Blocks, bool a_ContinueOnFailure)
 	cCSLock Lock(m_CSLayers);
 	for (sSetBlockVector::iterator itr = a_Blocks.begin(); itr != a_Blocks.end(); ++itr)
 	{
-		cChunkPtr Chunk = GetChunk(itr->ChunkX, ZERO_CHUNK_Y, itr->ChunkZ);
+		cChunkPtr Chunk = GetChunk(itr->ChunkX, itr->ChunkZ);
 		if ((Chunk == NULL) || !Chunk->IsValid())
 		{
 			if (!a_ContinueOnFailure)
@@ -1519,7 +1534,7 @@ bool cChunkMap::DigBlock(int a_X, int a_Y, int a_Z)
 
 	{
 		cCSLock Lock(m_CSLayers);
-		cChunkPtr DestChunk = GetChunk( ChunkX, ZERO_CHUNK_Y, ChunkZ);
+		cChunkPtr DestChunk = GetChunk( ChunkX, ChunkZ);
 		if ((DestChunk == NULL) || !DestChunk->IsValid())
 		{
 			return false;
@@ -1542,7 +1557,7 @@ void cChunkMap::SendBlockTo(int a_X, int a_Y, int a_Z, cPlayer * a_Player)
 	cChunkDef::AbsoluteToRelative(a_X, a_Y, a_Z, ChunkX, ChunkZ);
 	
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunk(ChunkX, ChunkZ);
 	if ((Chunk != NULL) && (Chunk->IsValid()))
 	{
 		Chunk->SendBlockTo(a_X, a_Y, a_Z, a_Player->GetClientHandle());
@@ -1556,12 +1571,12 @@ void cChunkMap::SendBlockTo(int a_X, int a_Y, int a_Z, cPlayer * a_Player)
 void cChunkMap::CompareChunkClients(int a_ChunkX1, int a_ChunkZ1, int a_ChunkX2, int a_ChunkZ2, cClientDiffCallback & a_Callback)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk1 = GetChunkNoGen(a_ChunkX1, ZERO_CHUNK_Y, a_ChunkZ1);
+	cChunkPtr Chunk1 = GetChunkNoGen(a_ChunkX1, a_ChunkZ1);
 	if (Chunk1 == NULL)
 	{
 		return;
 	}
-	cChunkPtr Chunk2 = GetChunkNoGen(a_ChunkX2, ZERO_CHUNK_Y, a_ChunkZ2);
+	cChunkPtr Chunk2 = GetChunkNoGen(a_ChunkX2, a_ChunkZ2);
 	if (Chunk2 == NULL)
 	{
 		return;
@@ -1623,7 +1638,7 @@ void cChunkMap::CompareChunkClients(cChunk * a_Chunk1, cChunk * a_Chunk2, cClien
 bool cChunkMap::AddChunkClient(int a_ChunkX, int a_ChunkZ, cClientHandle * a_Client)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunk(a_ChunkX, a_ChunkZ);
 	if (Chunk == NULL)
 	{
 		return false;
@@ -1638,7 +1653,7 @@ bool cChunkMap::AddChunkClient(int a_ChunkX, int a_ChunkZ, cClientHandle * a_Cli
 void cChunkMap::RemoveChunkClient(int a_ChunkX, int a_ChunkZ, cClientHandle * a_Client)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if (Chunk == NULL)
 	{
 		return;
@@ -1667,7 +1682,7 @@ void cChunkMap::RemoveClientFromChunks(cClientHandle * a_Client)
 void cChunkMap::AddEntity(cEntity * a_Entity)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity->GetChunkX(), ZERO_CHUNK_Y, a_Entity->GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity->GetChunkX(), a_Entity->GetChunkZ());
 	if (
 		(Chunk == NULL) ||  // Chunk not present at all
 		(!Chunk->IsValid() && !a_Entity->IsPlayer())  // Chunk present, but no valid data; players need to spawn in such chunks (#953)
@@ -1688,7 +1703,7 @@ void cChunkMap::AddEntity(cEntity * a_Entity)
 void cChunkMap::AddEntityIfNotPresent(cEntity * a_Entity)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity->GetChunkX(), ZERO_CHUNK_Y, a_Entity->GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity->GetChunkX(), a_Entity->GetChunkZ());
 	if (
 		(Chunk == NULL) ||  // Chunk not present at all
 		(!Chunk->IsValid() && !a_Entity->IsPlayer())  // Chunk present, but no valid data; players need to spawn in such chunks (#953)
@@ -1729,7 +1744,7 @@ bool cChunkMap::HasEntity(int a_UniqueID)
 void cChunkMap::RemoveEntity(cEntity * a_Entity)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_Entity->GetChunkX(), ZERO_CHUNK_Y, a_Entity->GetChunkZ());
+	cChunkPtr Chunk = GetChunkNoGen(a_Entity->GetChunkX(), a_Entity->GetChunkZ());
 
 	// Even if a chunk is not valid, it may still contain entities such as players; make sure to remove them (#1190)
 	if (Chunk == NULL)
@@ -1763,7 +1778,7 @@ bool cChunkMap::ForEachEntity(cEntityCallback & a_Callback)
 bool cChunkMap::ForEachEntityInChunk(int a_ChunkX, int a_ChunkZ, cEntityCallback & a_Callback)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -1775,6 +1790,38 @@ bool cChunkMap::ForEachEntityInChunk(int a_ChunkX, int a_ChunkZ, cEntityCallback
 
 
 
+bool cChunkMap::ForEachEntityInBox(const cBoundingBox & a_Box, cEntityCallback & a_Callback)
+{
+	// Calculate the chunk range for the box:
+	int MinChunkX = (int)floor(a_Box.GetMinX() / cChunkDef::Width);
+	int MinChunkZ = (int)floor(a_Box.GetMinZ() / cChunkDef::Width);
+	int MaxChunkX = (int)floor((a_Box.GetMaxX() + cChunkDef::Width) / cChunkDef::Width);
+	int MaxChunkZ = (int)floor((a_Box.GetMaxZ() + cChunkDef::Width) / cChunkDef::Width);
+	
+	// Iterate over each chunk in the range:
+	cCSLock Lock(m_CSLayers);
+	for (int z = MinChunkZ; z <= MaxChunkZ; z++)
+	{
+		for (int x = MinChunkX; x <= MaxChunkX; x++)
+		{
+			cChunkPtr Chunk = GetChunkNoGen(x, z);
+			if ((Chunk == NULL) || !Chunk->IsValid())
+			{
+				continue;
+			}
+			if (!Chunk->ForEachEntityInBox(a_Box, a_Callback))
+			{
+				return false;
+			}
+		}  // for x
+	}  // for z
+	return true;
+}
+
+
+
+
+
 void cChunkMap::DoExplosionAt(double a_ExplosionSize, double a_BlockX, double a_BlockY, double a_BlockZ, cVector3iArray & a_BlocksAffected)
 {
 	// Don't explode if outside of Y range (prevents the following test running into unallocated memory):
@@ -1989,7 +2036,7 @@ bool cChunkMap::DoWithEntityByID(int a_UniqueID, cEntityCallback & a_Callback)
 bool cChunkMap::ForEachBlockEntityInChunk(int a_ChunkX, int a_ChunkZ, cBlockEntityCallback & a_Callback)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2004,7 +2051,7 @@ bool cChunkMap::ForEachBlockEntityInChunk(int a_ChunkX, int a_ChunkZ, cBlockEnti
 bool cChunkMap::ForEachChestInChunk(int a_ChunkX, int a_ChunkZ, cChestCallback & a_Callback)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2019,7 +2066,7 @@ bool cChunkMap::ForEachChestInChunk(int a_ChunkX, int a_ChunkZ, cChestCallback &
 bool cChunkMap::ForEachDispenserInChunk(int a_ChunkX, int a_ChunkZ, cDispenserCallback & a_Callback)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2034,7 +2081,7 @@ bool cChunkMap::ForEachDispenserInChunk(int a_ChunkX, int a_ChunkZ, cDispenserCa
 bool cChunkMap::ForEachDropperInChunk(int a_ChunkX, int a_ChunkZ, cDropperCallback & a_Callback)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2049,7 +2096,7 @@ bool cChunkMap::ForEachDropperInChunk(int a_ChunkX, int a_ChunkZ, cDropperCallba
 bool cChunkMap::ForEachDropSpenserInChunk(int a_ChunkX, int a_ChunkZ, cDropSpenserCallback & a_Callback)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2064,7 +2111,7 @@ bool cChunkMap::ForEachDropSpenserInChunk(int a_ChunkX, int a_ChunkZ, cDropSpens
 bool cChunkMap::ForEachFurnaceInChunk(int a_ChunkX, int a_ChunkZ, cFurnaceCallback & a_Callback)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2082,7 +2129,7 @@ bool cChunkMap::DoWithBlockEntityAt(int a_BlockX, int a_BlockY, int a_BlockZ, cB
 	int BlockX = a_BlockX, BlockY = a_BlockY, BlockZ = a_BlockZ;
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2100,7 +2147,7 @@ bool cChunkMap::DoWithBeaconAt(int a_BlockX, int a_BlockY, int a_BlockZ, cBeacon
 	int BlockX = a_BlockX, BlockY = a_BlockY, BlockZ = a_BlockZ;
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2118,7 +2165,7 @@ bool cChunkMap::DoWithChestAt(int a_BlockX, int a_BlockY, int a_BlockZ, cChestCa
 	int BlockX = a_BlockX, BlockY = a_BlockY, BlockZ = a_BlockZ;
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2136,7 +2183,7 @@ bool cChunkMap::DoWithDispenserAt(int a_BlockX, int a_BlockY, int a_BlockZ, cDis
 	int BlockX = a_BlockX, BlockY = a_BlockY, BlockZ = a_BlockZ;
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2154,7 +2201,7 @@ bool cChunkMap::DoWithDropperAt(int a_BlockX, int a_BlockY, int a_BlockZ, cDropp
 	int BlockX = a_BlockX, BlockY = a_BlockY, BlockZ = a_BlockZ;
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2172,7 +2219,7 @@ bool cChunkMap::DoWithDropSpenserAt(int a_BlockX, int a_BlockY, int a_BlockZ, cD
 	int BlockX = a_BlockX, BlockY = a_BlockY, BlockZ = a_BlockZ;
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2190,7 +2237,7 @@ bool cChunkMap::DoWithFurnaceAt(int a_BlockX, int a_BlockY, int a_BlockZ, cFurna
 	int BlockX = a_BlockX, BlockY = a_BlockY, BlockZ = a_BlockZ;
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2207,7 +2254,7 @@ bool cChunkMap::DoWithNoteBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cNot
 	int BlockX = a_BlockX, BlockY = a_BlockY, BlockZ = a_BlockZ;
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2224,7 +2271,7 @@ bool cChunkMap::DoWithCommandBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, c
 	int BlockX = a_BlockX, BlockY = a_BlockY, BlockZ = a_BlockZ;
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2242,7 +2289,7 @@ bool cChunkMap::DoWithMobHeadAt(int a_BlockX, int a_BlockY, int a_BlockZ, cMobHe
 	int BlockX = a_BlockX, BlockY = a_BlockY, BlockZ = a_BlockZ;
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2260,7 +2307,7 @@ bool cChunkMap::DoWithFlowerPotAt(int a_BlockX, int a_BlockY, int a_BlockZ, cFlo
 	int BlockX = a_BlockX, BlockY = a_BlockY, BlockZ = a_BlockZ;
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2278,7 +2325,7 @@ bool cChunkMap::GetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, AString &
 	int BlockX = a_BlockX, BlockY = a_BlockY, BlockZ = a_BlockZ;
 	cChunkDef::AbsoluteToRelative(BlockX, BlockY, BlockZ, ChunkX, ChunkZ);
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2290,62 +2337,20 @@ bool cChunkMap::GetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, AString &
 
 
 
-void cChunkMap::TouchChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+void cChunkMap::TouchChunk(int a_ChunkX, int a_ChunkZ)
 {
 	cCSLock Lock(m_CSLayers);
-	GetChunk(a_ChunkX, a_ChunkY, a_ChunkZ);
-}
-
-
-
-
-
-/// Loads the chunk synchronously, if not already loaded. Doesn't generate. Returns true if chunk valid (even if already loaded before)
-bool cChunkMap::LoadChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
-{
-	{
-		cCSLock Lock(m_CSLayers);
-		cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkY, a_ChunkZ);
-		if (Chunk == NULL)
-		{
-			// Internal error
-			return false;
-		}
-		if (Chunk->IsValid())
-		{
-			// Already loaded
-			return true;
-		}
-		if (Chunk->HasLoadFailed())
-		{
-			// Already tried loading and it failed
-			return false;
-		}
-	}
-	return m_World->GetStorage().LoadChunk(a_ChunkX, a_ChunkY, a_ChunkZ);
-}
-
-
-
-
-
-/// Loads the chunks specified. Doesn't report failure, other than chunks being !IsValid()
-void cChunkMap::LoadChunks(const cChunkCoordsList & a_Chunks)
-{
-	for (cChunkCoordsList::const_iterator itr = a_Chunks.begin(); itr != a_Chunks.end(); ++itr)
-	{
-		LoadChunk(itr->m_ChunkX, itr->m_ChunkY, itr->m_ChunkZ);
-	}  // for itr - a_Chunks[]
+	GetChunk(a_ChunkX, a_ChunkZ);
 }
 
 
 
 
 
-void cChunkMap::ChunkLoadFailed(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+void cChunkMap::ChunkLoadFailed(int a_ChunkX, int a_ChunkZ)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, a_ChunkY, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, a_ChunkZ);
 	if (Chunk == NULL)
 	{
 		return;
@@ -2362,7 +2367,7 @@ bool cChunkMap::SetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, const ASt
 	cCSLock Lock(m_CSLayers);
 	int ChunkX, ChunkZ;
 	cChunkDef::BlockToChunk(a_BlockX, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoGen(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return false;
@@ -2377,7 +2382,7 @@ bool cChunkMap::SetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, const ASt
 void cChunkMap::MarkChunkRegenerating(int a_ChunkX, int a_ChunkZ)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, a_ChunkZ);
 	if (Chunk == NULL)
 	{
 		// Not present
@@ -2393,7 +2398,7 @@ void cChunkMap::MarkChunkRegenerating(int a_ChunkX, int a_ChunkZ)
 bool cChunkMap::IsChunkLighted(int a_ChunkX, int a_ChunkZ)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, a_ChunkZ);
 	if (Chunk == NULL)
 	{
 		// Not present
@@ -2414,7 +2419,7 @@ bool cChunkMap::ForEachChunkInRect(int a_MinChunkX, int a_MaxChunkX, int a_MinCh
 	{
 		for (int x = a_MinChunkX; x <= a_MaxChunkX; x++)
 		{
-			cChunkPtr Chunk = GetChunkNoLoad(x, ZERO_CHUNK_Y, z);
+			cChunkPtr Chunk = GetChunkNoLoad(x, z);
 			if ((Chunk == NULL) || (!Chunk->IsValid()))
 			{
 				// Not present / not valid
@@ -2456,7 +2461,7 @@ bool cChunkMap::WriteBlockArea(cBlockArea & a_Area, int a_MinBlockX, int a_MinBl
 	{
 		for (int x = MinChunkX; x <= MaxChunkX; x++)
 		{
-			cChunkPtr Chunk = GetChunkNoLoad(x, ZERO_CHUNK_Y, z);
+			cChunkPtr Chunk = GetChunkNoLoad(x, z);
 			if ((Chunk == NULL) || (!Chunk->IsValid()))
 			{
 				// Not present / not valid
@@ -2497,7 +2502,7 @@ void cChunkMap::GrowMelonPumpkin(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCK
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
 	
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ChunkZ);
 	if (Chunk != NULL)
 	{
 		Chunk->GrowMelonPumpkin(a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_Rand);
@@ -2514,7 +2519,7 @@ void cChunkMap::GrowSugarcane(int a_BlockX, int a_BlockY, int a_BlockZ, int a_Nu
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
 	
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ChunkZ);
 	if (Chunk != NULL)
 	{
 		Chunk->GrowSugarcane(a_BlockX, a_BlockY, a_BlockZ, a_NumBlocksToGrow);
@@ -2531,7 +2536,7 @@ void cChunkMap::GrowCactus(int a_BlockX, int a_BlockY, int a_BlockZ, int a_NumBl
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
 	
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ChunkZ);
 	if (Chunk != NULL)
 	{
 		Chunk->GrowCactus(a_BlockX, a_BlockY, a_BlockZ, a_NumBlocksToGrow);
@@ -2548,7 +2553,7 @@ void cChunkMap::SetNextBlockTick(int a_BlockX, int a_BlockY, int a_BlockZ)
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
 	
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ChunkZ);
 	if (Chunk != NULL)
 	{
 		Chunk->SetNextBlockTick(a_BlockX, a_BlockY, a_BlockZ);
@@ -2603,7 +2608,7 @@ void cChunkMap::TickBlock(int a_BlockX, int a_BlockY, int a_BlockZ)
 	cCSLock Lock(m_CSLayers);
 	int ChunkX, ChunkZ;
 	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);
-	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ChunkZ);
 	if ((Chunk == NULL) || !Chunk->IsValid())
 	{
 		return;
@@ -2672,7 +2677,7 @@ void cChunkMap::QueueTickBlock(int a_BlockX, int a_BlockY, int a_BlockZ)
 	// a_BlockXYZ now contains relative coords!
 
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ChunkZ);
 	if (Chunk != NULL)
 	{
 		Chunk->QueueTickBlock(a_BlockX, a_BlockY, a_BlockZ);
@@ -2686,7 +2691,7 @@ void cChunkMap::QueueTickBlock(int a_BlockX, int a_BlockY, int a_BlockZ)
 void cChunkMap::SetChunkAlwaysTicked(int a_ChunkX, int a_ChunkZ, bool a_AlwaysTicked)
 {
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	cChunkPtr Chunk = GetChunkNoLoad(a_ChunkX, a_ChunkZ);
 	if (Chunk != NULL)
 	{
 		Chunk->SetAlwaysTicked(a_AlwaysTicked);
@@ -2731,7 +2736,7 @@ cChunkMap::cChunkLayer::~cChunkLayer()
 
 
 
-cChunkPtr cChunkMap::cChunkLayer::GetChunk( int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+cChunkPtr cChunkMap::cChunkLayer::GetChunk( int a_ChunkX, int a_ChunkZ)
 {
 	// Always returns an assigned chunkptr, but the chunk needn't be valid (loaded / generated) - callers must check
 
@@ -2751,7 +2756,7 @@ cChunkPtr cChunkMap::cChunkLayer::GetChunk( int a_ChunkX, int a_ChunkY, int a_Ch
 		cChunk * neixp = (LocalX < LAYER_SIZE - 1) ? m_Chunks[Index + 1]          : m_Parent->FindChunk(a_ChunkX + 1, a_ChunkZ);
 		cChunk * neizm = (LocalZ > 0)              ? m_Chunks[Index - LAYER_SIZE] : m_Parent->FindChunk(a_ChunkX,     a_ChunkZ - 1);
 		cChunk * neizp = (LocalZ < LAYER_SIZE - 1) ? m_Chunks[Index + LAYER_SIZE] : m_Parent->FindChunk(a_ChunkX,     a_ChunkZ + 1);
-		m_Chunks[Index] = new cChunk(a_ChunkX, 0, a_ChunkZ, m_Parent, m_Parent->GetWorld(), neixm, neixp, neizm, neizp, m_Pool);
+		m_Chunks[Index] = new cChunk(a_ChunkX, a_ChunkZ, m_Parent, m_Parent->GetWorld(), neixm, neixp, neizm, neizp, m_Pool);
 	}
 	return m_Chunks[Index];
 }
@@ -2951,7 +2956,7 @@ void cChunkMap::cChunkLayer::Save(void)
 	{
 		if ((m_Chunks[i] != NULL) && m_Chunks[i]->IsValid() && m_Chunks[i]->IsDirty())
 		{
-			World->GetStorage().QueueSaveChunk(m_Chunks[i]->GetPosX(), m_Chunks[i]->GetPosY(), m_Chunks[i]->GetPosZ());
+			World->GetStorage().QueueSaveChunk(m_Chunks[i]->GetPosX(), m_Chunks[i]->GetPosZ());
 		}
 	}  // for i - m_Chunks[]
 }
@@ -3024,7 +3029,7 @@ void cChunkMap::AddChunkStay(cChunkStay & a_ChunkStay)
 	const cChunkCoordsVector & WantedChunks = a_ChunkStay.GetChunks();
 	for (cChunkCoordsVector::const_iterator itr = WantedChunks.begin(); itr != WantedChunks.end(); ++itr)
 	{
-		cChunkPtr Chunk = GetChunk(itr->m_ChunkX, itr->m_ChunkY, itr->m_ChunkZ);
+		cChunkPtr Chunk = GetChunk(itr->m_ChunkX, itr->m_ChunkZ);
 		if (Chunk == NULL)
 		{
 			continue;
@@ -3073,7 +3078,7 @@ void cChunkMap::DelChunkStay(cChunkStay & a_ChunkStay)
 	const cChunkCoordsVector & Chunks = a_ChunkStay.GetChunks();
 	for (cChunkCoordsVector::const_iterator itr = Chunks.begin(), end = Chunks.end(); itr != end; ++itr)
 	{
-		cChunkPtr Chunk = GetChunkNoLoad(itr->m_ChunkX, itr->m_ChunkY, itr->m_ChunkZ);
+		cChunkPtr Chunk = GetChunkNoLoad(itr->m_ChunkX, itr->m_ChunkZ);
 		if (Chunk == NULL)
 		{
 			continue;
diff --git a/src/ChunkMap.h b/src/ChunkMap.h
index 1e9a0f982..7354536d4 100644
--- a/src/ChunkMap.h
+++ b/src/ChunkMap.h
@@ -36,6 +36,7 @@ class cBlockArea;
 class cMobCensus;
 class cMobSpawner;
 class cSetChunkData;
+class cBoundingBox;
 
 typedef std::list<cClientHandle *>         cClientHandleList;
 typedef cChunk *                           cChunkPtr;
@@ -132,6 +133,9 @@ public:
 	/** Copies the chunk's blocktypes into a_Blocks; returns true if successful */
 	bool GetChunkBlockTypes (int a_ChunkX, int a_ChunkZ, BLOCKTYPE * a_Blocks);
 	
+	/** Returns true iff the chunk is in the loader / generator queue. */
+	bool IsChunkQueued(int a_ChunkX, int a_ChunkZ);
+
 	bool      IsChunkValid       (int a_ChunkX, int a_ChunkZ);
 	bool      HasChunkAnyClients (int a_ChunkX, int a_ChunkZ);
 	int       GetHeight          (int a_BlockX, int a_BlockZ);  // Waits for the chunk to get loaded / generated
@@ -209,6 +213,11 @@ public:
 	/** Calls the callback for each entity in the specified chunk; returns true if all entities processed, false if the callback aborted by returning true */
 	bool ForEachEntityInChunk(int a_ChunkX, int a_ChunkZ, cEntityCallback & a_Callback);  // Lua-accessible
 
+	/** Calls the callback for each entity that has a nonempty intersection with the specified boundingbox.
+	Returns true if all entities processed, false if the callback aborted by returning true.
+	If any chunk in the box is missing, ignores the entities in that chunk silently. */
+	bool ForEachEntityInBox(const cBoundingBox & a_Box, cEntityCallback & a_Callback);  // Lua-accessible
+
 	/** Destroys and returns a list of blocks destroyed in the explosion at the specified coordinates */
 	void DoExplosionAt(double a_ExplosionSize, double a_BlockX, double a_BlockY, double a_BlockZ, cVector3iArray & a_BlockAffected);
 	
@@ -270,16 +279,10 @@ public:
 	bool GetSignLines (int a_BlockX, int a_BlockY, int a_BlockZ, AString & a_Line1, AString & a_Line2, AString & a_Line3, AString & a_Line4);  // Lua-accessible
 
 	/** Touches the chunk, causing it to be loaded or generated */
-	void TouchChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ);
+	void TouchChunk(int a_ChunkX, int a_ChunkZ);
 	
-	/** Loads the chunk, if not already loaded. Doesn't generate. Returns true if chunk valid (even if already loaded before) */
-	bool LoadChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ);
-	
-	/** Loads the chunks specified. Doesn't report failure, other than chunks being !IsValid() */
-	void LoadChunks(const cChunkCoordsList & a_Chunks);
-
 	/** Marks the chunk as failed-to-load */
-	void ChunkLoadFailed(int a_ChunkX, int a_ChunkY, int a_ChunkZ);
+	void ChunkLoadFailed(int a_ChunkX, int a_ChunkZ);
 	
 	/** Sets the sign text. Returns true if sign text changed. */
 	bool SetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4);
@@ -363,7 +366,7 @@ private:
 		~cChunkLayer();
 
 		/** Always returns an assigned chunkptr, but the chunk needn't be valid (loaded / generated) - callers must check */
-		cChunkPtr GetChunk( int a_ChunkX, int a_ChunkY, int a_ChunkZ);
+		cChunkPtr GetChunk( int a_ChunkX, int a_ChunkZ);
 		
 		/** Returns the specified chunk, or NULL if not created yet */
 		cChunk * FindChunk(int a_ChunkX, int a_ChunkZ);
@@ -456,9 +459,9 @@ private:
 
 	std::auto_ptr<cAllocationPool<cChunkData::sChunkSection> > m_Pool;
 
-	cChunkPtr GetChunk      (int a_ChunkX, int a_ChunkY, int a_ChunkZ);  // Also queues the chunk for loading / generating if not valid
-	cChunkPtr GetChunkNoGen (int a_ChunkX, int a_ChunkY, int a_ChunkZ);  // Also queues the chunk for loading if not valid; doesn't generate
-	cChunkPtr GetChunkNoLoad(int a_ChunkX, int a_ChunkY, int a_ChunkZ);  // Doesn't load, doesn't generate
+	cChunkPtr GetChunk      (int a_ChunkX, int a_ChunkZ);  // Also queues the chunk for loading / generating if not valid
+	cChunkPtr GetChunkNoGen (int a_ChunkX, int a_ChunkZ);  // Also queues the chunk for loading if not valid; doesn't generate
+	cChunkPtr GetChunkNoLoad(int a_ChunkX, int a_ChunkZ);  // Doesn't load, doesn't generate
 	
 	/** Gets a block in any chunk while in the cChunk's Tick() method; returns true if successful, false if chunk not loaded (doesn't queue load) */
 	bool LockedGetBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta);
diff --git a/src/ChunkSender.cpp b/src/ChunkSender.cpp
index ebcf0e272..95c4d03d2 100644
--- a/src/ChunkSender.cpp
+++ b/src/ChunkSender.cpp
@@ -81,7 +81,7 @@ void cChunkSender::ChunkReady(int a_ChunkX, int a_ChunkZ)
 	// This is probably never gonna be called twice for the same chunk, and if it is, we don't mind, so we don't check
 	{
 		cCSLock Lock(m_CS);
-		m_ChunksReady.push_back(cChunkCoords(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ));
+		m_ChunksReady.push_back(cChunkCoords(a_ChunkX, a_ChunkZ));
 	}
 	m_evtQueue.Set();
 }
@@ -95,12 +95,12 @@ void cChunkSender::QueueSendChunkTo(int a_ChunkX, int a_ChunkZ, cClientHandle *
 	ASSERT(a_Client != NULL);
 	{
 		cCSLock Lock(m_CS);
-		if (std::find(m_SendChunks.begin(), m_SendChunks.end(), sSendChunk(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ, a_Client)) != m_SendChunks.end())
+		if (std::find(m_SendChunks.begin(), m_SendChunks.end(), sSendChunk(a_ChunkX, a_ChunkZ, a_Client)) != m_SendChunks.end())
 		{
 			// Already queued, bail out
 			return;
 		}
-		m_SendChunks.push_back(sSendChunk(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ, a_Client));
+		m_SendChunks.push_back(sSendChunk(a_ChunkX, a_ChunkZ, a_Client));
 	}
 	m_evtQueue.Set();
 }
@@ -160,7 +160,7 @@ void cChunkSender::Execute(void)
 			m_ChunksReady.pop_front();
 			Lock.Unlock();
 			
-			SendChunk(Coords.m_ChunkX, Coords.m_ChunkY, Coords.m_ChunkZ, NULL);
+			SendChunk(Coords.m_ChunkX, Coords.m_ChunkZ, NULL);
 		}
 		else
 		{
@@ -169,7 +169,7 @@ void cChunkSender::Execute(void)
 			m_SendChunks.pop_front();
 			Lock.Unlock();
 			
-			SendChunk(Chunk.m_ChunkX, Chunk.m_ChunkY, Chunk.m_ChunkZ, Chunk.m_Client);
+			SendChunk(Chunk.m_ChunkX, Chunk.m_ChunkZ, Chunk.m_Client);
 		}
 		Lock.Lock();
 		int RemoveCount = m_RemoveCount;
@@ -186,14 +186,14 @@ void cChunkSender::Execute(void)
 
 
 
-void cChunkSender::SendChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, cClientHandle * a_Client)
+void cChunkSender::SendChunk(int a_ChunkX, int a_ChunkZ, cClientHandle * a_Client)
 {
 	ASSERT(m_World != NULL);
 	
 	// Ask the client if it still wants the chunk:
 	if (a_Client != NULL)
 	{
-		if (!a_Client->WantsSendChunk(a_ChunkX, a_ChunkY, a_ChunkZ))
+		if (!a_Client->WantsSendChunk(a_ChunkX, a_ChunkZ))
 		{
 			return;
 		}
diff --git a/src/ChunkSender.h b/src/ChunkSender.h
index 624a3a0bd..a0e9087a9 100644
--- a/src/ChunkSender.h
+++ b/src/ChunkSender.h
@@ -95,13 +95,11 @@ protected:
 	struct sSendChunk
 	{
 		int m_ChunkX;
-		int m_ChunkY;
 		int m_ChunkZ;
 		cClientHandle * m_Client;
 		
-		sSendChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, cClientHandle * a_Client) :
+		sSendChunk(int a_ChunkX, int a_ChunkZ, cClientHandle * a_Client) :
 			m_ChunkX(a_ChunkX),
-			m_ChunkY(a_ChunkY),
 			m_ChunkZ(a_ChunkZ),
 			m_Client(a_Client)
 		{
@@ -111,7 +109,6 @@ protected:
 		{
 			return (
 				(a_Other.m_ChunkX == m_ChunkX) &&
-				(a_Other.m_ChunkY == m_ChunkY) &&
 				(a_Other.m_ChunkZ == m_ChunkZ) &&
 				(a_Other.m_Client == m_Client)
 			);
@@ -162,7 +159,7 @@ protected:
 	virtual void BlockEntity  (cBlockEntity * a_Entity) override;
 
 	/// Sends the specified chunk to a_Client, or to all chunk clients if a_Client == NULL
-	void SendChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, cClientHandle * a_Client);
+	void SendChunk(int a_ChunkX, int a_ChunkZ, cClientHandle * a_Client);
 } ;
 
 
diff --git a/src/ChunkStay.cpp b/src/ChunkStay.cpp
index b5002a63d..38aa89a37 100644
--- a/src/ChunkStay.cpp
+++ b/src/ChunkStay.cpp
@@ -51,7 +51,7 @@ void cChunkStay::Add(int a_ChunkX, int a_ChunkZ)
 			return;
 		}
 	}  // for itr - Chunks[]
-	m_Chunks.push_back(cChunkCoords(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ));
+	m_Chunks.push_back(cChunkCoords(a_ChunkX, a_ChunkZ));
 }
 
 
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp
index 5ad9dc644..ce77967db 100644
--- a/src/ClientHandle.cpp
+++ b/src/ClientHandle.cpp
@@ -472,13 +472,13 @@ void cClientHandle::StreamChunks(void)
 		// For each distance touch chunks in a hollow square centered around current position:
 		for (int i = -d; i <= d; ++i)
 		{
-			World->TouchChunk(ChunkPosX + d, ZERO_CHUNK_Y, ChunkPosZ + i);
-			World->TouchChunk(ChunkPosX - d, ZERO_CHUNK_Y, ChunkPosZ + i);
+			World->TouchChunk(ChunkPosX + d, ChunkPosZ + i);
+			World->TouchChunk(ChunkPosX - d, ChunkPosZ + i);
 		}  // for i
 		for (int i = -d + 1; i < d; ++i)
 		{
-			World->TouchChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ + d);
-			World->TouchChunk(ChunkPosX + i, ZERO_CHUNK_Y, ChunkPosZ - d);
+			World->TouchChunk(ChunkPosX + i, ChunkPosZ + d);
+			World->TouchChunk(ChunkPosX + i, ChunkPosZ - d);
 		}  // for i
 	}  // for d
 }
@@ -501,8 +501,8 @@ void cClientHandle::StreamChunk(int a_ChunkX, int a_ChunkZ)
 	{
 		{
 			cCSLock Lock(m_CSChunkLists);
-			m_LoadedChunks.push_back(cChunkCoords(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ));
-			m_ChunksToSend.push_back(cChunkCoords(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ));
+			m_LoadedChunks.push_back(cChunkCoords(a_ChunkX, a_ChunkZ));
+			m_ChunksToSend.push_back(cChunkCoords(a_ChunkX, a_ChunkZ));
 		}
 		World->SendChunkTo(a_ChunkX, a_ChunkZ, this);
 	}
@@ -1448,7 +1448,7 @@ void cClientHandle::HandlePlaceBlock(int a_BlockX, int a_BlockY, int a_BlockZ, e
 	NewBlock->OnPlacedByPlayer(ChunkInterface, *World, m_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_CursorX, a_CursorY, a_CursorZ, BlockType, BlockMeta);
 	
 	// Step sound with 0.8f pitch is used as block placement sound
-	World->BroadcastSoundEffect(NewBlock->GetStepSound(), (double)a_BlockX, (double)a_BlockY, (double)a_BlockZ, 1.0f, 0.8f);
+	World->BroadcastSoundEffect(cBlockInfo::GetPlaceSound(BlockType), (double)a_BlockX, (double)a_BlockY, (double)a_BlockZ, 1.0f, 0.8f);
 	cRoot::Get()->GetPluginManager()->CallHookPlayerPlacedBlock(*m_Player, a_BlockX, a_BlockY, a_BlockZ, a_BlockFace, a_CursorX, a_CursorY, a_CursorZ, BlockType, BlockMeta);
 }
 
@@ -2734,7 +2734,7 @@ bool cClientHandle::HasPluginChannel(const AString & a_PluginChannel)
 
 
 
-bool cClientHandle::WantsSendChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+bool cClientHandle::WantsSendChunk(int a_ChunkX, int a_ChunkZ)
 {
 	if (m_State >= csDestroying)
 	{
@@ -2742,7 +2742,7 @@ bool cClientHandle::WantsSendChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
 	}
 	
 	cCSLock Lock(m_CSChunkLists);
-	return (std::find(m_ChunksToSend.begin(), m_ChunksToSend.end(), cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ)) != m_ChunksToSend.end());
+	return (std::find(m_ChunksToSend.begin(), m_ChunksToSend.end(), cChunkCoords(a_ChunkX, a_ChunkZ)) != m_ChunksToSend.end());
 }
 
 
@@ -2758,9 +2758,9 @@ void cClientHandle::AddWantedChunk(int a_ChunkX, int a_ChunkZ)
 	
 	LOGD("Adding chunk [%d, %d] to wanted chunks for client %p", a_ChunkX, a_ChunkZ, this);
 	cCSLock Lock(m_CSChunkLists);
-	if (std::find(m_ChunksToSend.begin(), m_ChunksToSend.end(), cChunkCoords(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ)) == m_ChunksToSend.end())
+	if (std::find(m_ChunksToSend.begin(), m_ChunksToSend.end(), cChunkCoords(a_ChunkX, a_ChunkZ)) == m_ChunksToSend.end())
 	{
-		m_ChunksToSend.push_back(cChunkCoords(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ));
+		m_ChunksToSend.push_back(cChunkCoords(a_ChunkX, a_ChunkZ));
 	}
 }
 
@@ -2858,11 +2858,27 @@ void cClientHandle::SocketClosed(void)
 
 
 
-void cClientHandle::HandleEnchantItem(Byte & WindowID, Byte & Enchantment)
+void cClientHandle::HandleEnchantItem(Byte & a_WindowID, Byte & a_Enchantment)
 {
-	cEnchantingWindow * Window = (cEnchantingWindow*)m_Player->GetWindow();
+	if (a_Enchantment > 2)
+	{
+		LOGWARNING("%s attempt to crash the server with invalid enchanting selection!", GetUsername().c_str());
+		Kick("Invalid enchanting!");
+		return;
+	}
+
+	if (
+		(m_Player->GetWindow() == NULL) ||
+		(m_Player->GetWindow()->GetWindowID() != a_WindowID) ||
+		(m_Player->GetWindow()->GetWindowType() != cWindow::wtEnchantment)
+	)
+	{
+		return;
+	}
+	
+	cEnchantingWindow * Window = (cEnchantingWindow*) m_Player->GetWindow();
 	cItem Item = *Window->m_SlotArea->GetSlot(0, *m_Player);
-	int BaseEnchantmentLevel = Window->GetPropertyValue(Enchantment);
+	int BaseEnchantmentLevel = Window->GetPropertyValue(a_Enchantment);
 
 	if (Item.EnchantByXPLevels(BaseEnchantmentLevel))
 	{
diff --git a/src/ClientHandle.h b/src/ClientHandle.h
index 7ae70a07f..74e89deee 100644
--- a/src/ClientHandle.h
+++ b/src/ClientHandle.h
@@ -62,7 +62,7 @@ public:
 	cClientHandle(const cSocket * a_Socket, int a_ViewDistance);
 	virtual ~cClientHandle();
 
-	const AString & GetIPString(void) const { return m_IPString; }
+	const AString & GetIPString(void) const { return m_IPString; }  // tolua_export
 	
 	cPlayer * GetPlayer(void) { return m_Player; }  // tolua_export
 
@@ -209,7 +209,7 @@ public:
 	// tolua_end
 	
 	/** Returns true if the client wants the chunk specified to be sent (in m_ChunksToSend) */
-	bool WantsSendChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ);
+	bool WantsSendChunk(int a_ChunkX, int a_ChunkZ);
 	
 	/** Adds the chunk specified to the list of chunks wanted for sending (m_ChunksToSend) */
 	void AddWantedChunk(int a_ChunkX, int a_ChunkZ);
@@ -269,7 +269,7 @@ public:
 	void RemoveFromWorld(void);
 	
 	/** Called when the player will enchant a Item */
-	void HandleEnchantItem(Byte & WindowID, Byte & Enchantment);
+	void HandleEnchantItem(Byte & a_WindowID, Byte & a_Enchantment);
 	
 private:
 
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index 89d1cffa1..9bcdcffeb 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -387,7 +387,7 @@ bool cEntity::DoTakeDamage(TakeDamageInfo & a_TDI)
 					case cMonster::mtGhast:
 					case cMonster::mtZombiePigman:
 					case cMonster::mtMagmaCube:
-					{					
+					{
 						break;
 					};
 					default: StartBurning(BurnTicks * 20);
@@ -417,7 +417,7 @@ bool cEntity::DoTakeDamage(TakeDamageInfo & a_TDI)
 		}
 	
 		if (!Player->IsOnGround())
-		{		
+		{
 			if ((a_TDI.DamageType == dtAttack) || (a_TDI.DamageType == dtArrowAttack))
 			{
 				a_TDI.FinalDamage += 2;
diff --git a/src/Entities/EntityEffect.cpp b/src/Entities/EntityEffect.cpp
index 1ebbf1926..1a923930f 100644
--- a/src/Entities/EntityEffect.cpp
+++ b/src/Entities/EntityEffect.cpp
@@ -34,14 +34,14 @@ cEntityEffect::eType cEntityEffect::GetPotionEffectType(short a_ItemDamage)
 		case 0x08: return cEntityEffect::effWeakness;
 		case 0x09: return cEntityEffect::effStrength;
 		case 0x0a: return cEntityEffect::effSlowness;
+		case 0x0b: return cEntityEffect::effJumpBoost;
 		case 0x0c: return cEntityEffect::effInstantDamage;
 		case 0x0d: return cEntityEffect::effWaterBreathing;
 		case 0x0e: return cEntityEffect::effInvisibility;
-			
+
 		// No effect potions
 		case 0x00:
 		case 0x07:
-		case 0x0b:  // Will be potion of leaping in 1.8
 		case 0x0f:
 		{
 			break;
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index b3bb1072e..e1f9c30ea 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -1668,7 +1668,11 @@ bool cPlayer::LoadFromFile(const AString & a_FileName, cWorldPtr & a_World)
 	cEnderChestEntity::LoadFromJson(root["enderchestinventory"], m_EnderChestContents);
 
 	m_LoadedWorldName = root.get("world", "world").asString();
-	a_World = cRoot::Get()->GetWorld(GetLoadedWorldName(), true);
+	a_World = cRoot::Get()->GetWorld(GetLoadedWorldName(), false);
+	if (a_World == NULL)
+	{
+		a_World = cRoot::Get()->GetDefaultWorld();
+	}
 
 	m_LastBedPos.x = root.get("SpawnX", a_World->GetSpawnX()).asInt();
 	m_LastBedPos.y = root.get("SpawnY", a_World->GetSpawnY()).asInt();
diff --git a/src/Generating/BioGen.cpp b/src/Generating/BioGen.cpp
index 8fad9f5c9..60ad4e3eb 100644
--- a/src/Generating/BioGen.cpp
+++ b/src/Generating/BioGen.cpp
@@ -151,7 +151,7 @@ void cBioGenCache::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a
 		LOGD("BioGenCache: %d hits, %d misses, saved %.2f %%", m_NumHits, m_NumMisses, 100.0 * m_NumHits / (m_NumHits + m_NumMisses));
 		LOGD("BioGenCache: Avg cache chain length: %.2f", (float)m_TotalChain / m_NumHits);
 	}
-	
+
 	for (int i = 0; i < m_CacheSize; i++)
 	{
 		if (
@@ -208,6 +208,59 @@ void cBioGenCache::InitializeBiomeGen(cIniFile & a_IniFile)
 
 
 
+////////////////////////////////////////////////////////////////////////////////
+// cBioGenMulticache:
+
+cBioGenMulticache::cBioGenMulticache(cBiomeGen * a_BioGenToCache, size_t a_CacheSize, size_t a_CachesLength) :
+	m_CachesLength(a_CachesLength)
+{
+	m_Caches.reserve(a_CachesLength);
+	for (size_t i = 0; i < a_CachesLength; i++)
+	{
+		m_Caches.push_back(new cBioGenCache(a_BioGenToCache, a_CacheSize));
+	}
+}
+
+
+
+
+
+cBioGenMulticache::~cBioGenMulticache()
+{
+	for (cBiomeGens::iterator it = m_Caches.begin(); it != m_Caches.end(); it++)
+	{
+		delete *it;
+	}
+}
+
+
+
+
+
+void cBioGenMulticache::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
+{
+	const size_t coefficient = 3;
+	const size_t cacheIdx = ((size_t)a_ChunkX + coefficient * (size_t)a_ChunkZ) % m_CachesLength;
+
+	m_Caches[cacheIdx]->GenBiomes(a_ChunkX, a_ChunkZ, a_BiomeMap);
+}
+
+
+
+
+
+void cBioGenMulticache::InitializeBiomeGen(cIniFile & a_IniFile)
+{
+	for (cBiomeGens::iterator it = m_Caches.begin(); it != m_Caches.end(); it++)
+	{
+		cBiomeGen * tmp = *it;
+		tmp->InitializeBiomeGen(a_IniFile);
+	}
+}
+
+
+
+
 
 ////////////////////////////////////////////////////////////////////////////////
 // cBiomeGenList:
diff --git a/src/Generating/BioGen.h b/src/Generating/BioGen.h
index 227ec97d7..20d199611 100644
--- a/src/Generating/BioGen.h
+++ b/src/Generating/BioGen.h
@@ -80,6 +80,36 @@ protected:
 
 
 
+class cBioGenMulticache :
+	public cBiomeGen
+{
+
+	typedef cBiomeGen super;
+
+public:
+	/*
+	a_CacheSize defines the size of each singular cache
+	a_CachesLength defines how many caches are used for the multicache
+	*/
+	cBioGenMulticache(cBiomeGen * a_BioGenToCache, size_t a_CacheSize, size_t a_CachesLength);  // Doesn't take ownership of a_BioGenToCache
+	~cBioGenMulticache();
+
+protected:
+	typedef std::vector<cBiomeGen *> cBiomeGens;
+
+
+	size_t     m_CachesLength;
+	cBiomeGens m_Caches;
+
+
+	virtual void GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap) override;
+	virtual void InitializeBiomeGen(cIniFile & a_IniFile) override;
+};
+
+
+
+
+
 /// Base class for generators that use a list of available biomes. This class takes care of the list.
 class cBiomeGenList :
 	public cBiomeGen
diff --git a/src/Generating/ChunkGenerator.cpp b/src/Generating/ChunkGenerator.cpp
index a1188f984..d615456c1 100644
--- a/src/Generating/ChunkGenerator.cpp
+++ b/src/Generating/ChunkGenerator.cpp
@@ -52,10 +52,21 @@ bool cChunkGenerator::Start(cPluginInterface & a_PluginInterface, cChunkSink & a
 	m_PluginInterface = &a_PluginInterface;
 	m_ChunkSink = &a_ChunkSink;
 
-	MTRand rnd;
-	m_Seed = a_IniFile.GetValueSetI("Seed", "Seed", (int)rnd.randInt());
+	// Get the seed; create a new one and log it if not found in the INI file:
+	if (a_IniFile.HasValue("Seed", "Seed"))
+	{
+		m_Seed = a_IniFile.GetValueI("Seed", "Seed");
+	}
+	else
+	{
+		MTRand rnd;
+		m_Seed = rnd.randInt();
+		LOGINFO("Chosen a new random seed for world: %d", m_Seed);
+		a_IniFile.SetValueI("Seed", "Seed", m_Seed);
+	}
+	
+	// Get the generator engine based on the INI file settings:
 	AString GeneratorName = a_IniFile.GetValueSet("Generator", "Generator", "Composable");
-
 	if (NoCaseCompare(GeneratorName, "Noise3D") == 0)
 	{
 		m_Generator = new cNoise3DGenerator(*this);
@@ -99,15 +110,17 @@ void cChunkGenerator::Stop(void)
 
 
 
-void cChunkGenerator::QueueGenerateChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+void cChunkGenerator::QueueGenerateChunk(int a_ChunkX, int a_ChunkZ, bool a_ForceGenerate)
 {
+	ASSERT(m_ChunkSink->IsChunkQueued(a_ChunkX, a_ChunkZ));
+
 	{
 		cCSLock Lock(m_CS);
 
 		// Check if it is already in the queue:
-		for (cChunkCoordsList::iterator itr = m_Queue.begin(); itr != m_Queue.end(); ++itr)
+		for (cChunkCoordsWithBoolList::iterator itr = m_Queue.begin(); itr != m_Queue.end(); ++itr)
 		{
-			if ((itr->m_ChunkX == a_ChunkX) && (itr->m_ChunkY == a_ChunkY) && (itr->m_ChunkZ == a_ChunkZ))
+			if ((itr->m_ChunkX == a_ChunkX) && (itr->m_ChunkZ == a_ChunkZ))
 			{
 				// Already in the queue, bail out
 				return;
@@ -119,7 +132,7 @@ void cChunkGenerator::QueueGenerateChunk(int a_ChunkX, int a_ChunkY, int a_Chunk
 		{
 			LOGWARN("WARNING: Adding chunk [%i, %i] to generation queue; Queue is too big! (" SIZE_T_FMT ")", a_ChunkX, a_ChunkZ, m_Queue.size());
 		}
-		m_Queue.push_back(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ));
+		m_Queue.push_back(cChunkCoordsWithBool(a_ChunkX, a_ChunkZ, a_ForceGenerate));
 	}
 
 	m_Event.Set();
@@ -229,9 +242,9 @@ void cChunkGenerator::Execute(void)
 			continue;
 		}
 
-		cChunkCoords coords = m_Queue.front();  // Get next coord from queue
-		m_Queue.erase( m_Queue.begin());  // Remove coordinate from queue
+		cChunkCoordsWithBool coords = m_Queue.front();  // Get next coord from queue
 		bool SkipEnabled = (m_Queue.size() > QUEUE_SKIP_LIMIT);
+		m_Queue.erase(m_Queue.begin());  // Remove coordinate from queue
 		Lock.Unlock();  // Unlock ASAP
 		m_evtRemoved.Set();
 
@@ -245,8 +258,7 @@ void cChunkGenerator::Execute(void)
 			LastReportTick = clock();
 		}
 
-		// Hack for regenerating chunks: if Y != 0, the chunk is considered invalid, even if it has its data set
-		if ((coords.m_ChunkY == 0) && m_ChunkSink->IsChunkValid(coords.m_ChunkX, coords.m_ChunkZ))
+		if (!coords.m_ForceGenerate && m_ChunkSink->IsChunkValid(coords.m_ChunkX, coords.m_ChunkZ))
 		{
 			LOGD("Chunk [%d, %d] already generated, skipping generation", coords.m_ChunkX, coords.m_ChunkZ);
 			// Already generated, ignore request
@@ -259,8 +271,8 @@ void cChunkGenerator::Execute(void)
 			continue;
 		}
 
-		LOGD("Generating chunk [%d, %d, %d]", coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ);
-		DoGenerate(coords.m_ChunkX, coords.m_ChunkY, coords.m_ChunkZ);
+		LOGD("Generating chunk [%d, %d]", coords.m_ChunkX, coords.m_ChunkZ);
+		DoGenerate(coords.m_ChunkX, coords.m_ChunkZ);
 
 		NumChunksGenerated++;
 	}  // while (!bStop)
@@ -269,11 +281,12 @@ void cChunkGenerator::Execute(void)
 
 
 
-void cChunkGenerator::DoGenerate(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+void cChunkGenerator::DoGenerate(int a_ChunkX, int a_ChunkZ)
 {
 	ASSERT(m_PluginInterface != NULL);
 	ASSERT(m_ChunkSink != NULL);
-	
+	ASSERT(m_ChunkSink->IsChunkQueued(a_ChunkX, a_ChunkZ));
+
 	cChunkDesc ChunkDesc(a_ChunkX, a_ChunkZ);
 	m_PluginInterface->CallHookChunkGenerating(ChunkDesc);
 	m_Generator->DoGenerate(a_ChunkX, a_ChunkZ, ChunkDesc);
diff --git a/src/Generating/ChunkGenerator.h b/src/Generating/ChunkGenerator.h
index 88d71f3f9..190d9e616 100644
--- a/src/Generating/ChunkGenerator.h
+++ b/src/Generating/ChunkGenerator.h
@@ -106,6 +106,10 @@ public:
 		If this callback returns false, the chunk is not generated.
 		*/
 		virtual bool HasChunkAnyClients(int a_ChunkX, int a_ChunkZ) = 0;
+
+		/** Called to check whether the specified chunk is in the queued state.
+		Currently used only in Debug-mode asserts. */
+		virtual bool IsChunkQueued(int a_ChunkX, int a_ChunkZ) = 0;
 	} ;
 	
 
@@ -116,7 +120,7 @@ public:
 	void Stop(void);
 
 	/// Queues the chunk for generation; removes duplicate requests
-	void QueueGenerateChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ);
+	void QueueGenerateChunk(int a_ChunkX, int a_ChunkZ, bool a_ForceGenerate);
 	
 	/// Generates the biomes for the specified chunk (directly, not in a separate thread). Used by the world loader if biomes failed loading.
 	void GenerateBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap);
@@ -137,10 +141,10 @@ private:
 
 	int m_Seed;
 
-	cCriticalSection m_CS;
-	cChunkCoordsList m_Queue;
-	cEvent           m_Event;       ///< Set when an item is added to the queue or the thread should terminate
-	cEvent           m_evtRemoved;  ///< Set when an item is removed from the queue
+	cCriticalSection         m_CS;
+	cChunkCoordsWithBoolList m_Queue;
+	cEvent                   m_Event;       ///< Set when an item is added to the queue or the thread should terminate
+	cEvent                   m_evtRemoved;  ///< Set when an item is removed from the queue
 	
 	cGenerator * m_Generator;  ///< The actual generator engine used to generate chunks
 	
@@ -154,7 +158,7 @@ private:
 	// cIsThread override:
 	virtual void Execute(void) override;
 
-	void DoGenerate(int a_ChunkX, int a_ChunkY, int a_ChunkZ);
+	void DoGenerate(int a_ChunkX, int a_ChunkZ);
 };
 
 
diff --git a/src/Generating/ComposableGenerator.cpp b/src/Generating/ComposableGenerator.cpp
index 6f4007d24..69068d231 100644
--- a/src/Generating/ComposableGenerator.cpp
+++ b/src/Generating/ComposableGenerator.cpp
@@ -230,17 +230,29 @@ void cComposableGenerator::InitBiomeGen(cIniFile & a_IniFile)
 	
 	// Add a cache, if requested:
 	int CacheSize = a_IniFile.GetValueSetI("Generator", "BiomeGenCacheSize", CacheOffByDefault ? 0 : 64);
-	if (CacheSize > 0)
+
+	if (CacheSize <= 0)
+	{
+		return;
+	}
+
+	int MultiCacheLength = a_IniFile.GetValueSetI("Generator", "BiomeGenMultiCacheLength", 4);
+	if (CacheSize < 4)
+	{
+		LOGWARNING("Biomegen cache size set too low, would hurt performance instead of helping. Increasing from %d to %d",
+			CacheSize, 4
+		);
+		CacheSize = 4;
+	}
+	LOGD("Using a cache for biomegen of size %d.", CacheSize);
+	m_UnderlyingBiomeGen = m_BiomeGen;
+	if (MultiCacheLength > 0)
+	{
+		LOGD("Enabling multicache for biomegen of length %d.", MultiCacheLength);
+		m_BiomeGen = new cBioGenMulticache(m_UnderlyingBiomeGen, CacheSize, MultiCacheLength);
+	}
+	else
 	{
-		if (CacheSize < 4)
-		{
-			LOGWARNING("Biomegen cache size set too low, would hurt performance instead of helping. Increasing from %d to %d",
-				CacheSize, 4
-			);
-			CacheSize = 4;
-		}
-		LOGD("Using a cache for biomegen of size %d.", CacheSize);
-		m_UnderlyingBiomeGen = m_BiomeGen;
 		m_BiomeGen = new cBioGenCache(m_UnderlyingBiomeGen, CacheSize);
 	}
 }
diff --git a/src/HTTPServer/HTTPServer.cpp b/src/HTTPServer/HTTPServer.cpp
index 8eabe5cb2..0c41b54b2 100644
--- a/src/HTTPServer/HTTPServer.cpp
+++ b/src/HTTPServer/HTTPServer.cpp
@@ -170,7 +170,8 @@ bool cHTTPServer::Initialize(const AString & a_PortsIPv4, const AString & a_Port
 	// Notify the admin about the HTTPS / HTTP status
 	if (m_Cert.get() == NULL)
 	{
-		LOGWARNING("WebServer: The server is running in unsecure HTTP mode.");
+		LOGWARNING("WebServer: The server is running in unsecured HTTP mode.");
+		LOGINFO("Put a valid HTTPS certificate in file 'webadmin/httpscert.crt' and its corresponding private key to 'webadmin/httpskey.pem' (without any password) to enable HTTPS support");
 	}
 	else
 	{
diff --git a/src/Item.cpp b/src/Item.cpp
index 2c5deaddf..ebdf99ca5 100644
--- a/src/Item.cpp
+++ b/src/Item.cpp
@@ -190,31 +190,35 @@ void cItem::FromJson(const Json::Value & a_Value)
 
 
 
-bool cItem::IsEnchantable(short item)
+bool cItem::IsEnchantable(short a_ItemType, bool a_WithBook)
 {
-	if ((item >= 256) && (item <= 259))
+	if (
+		ItemCategory::IsAxe(a_ItemType) ||
+		ItemCategory::IsSword(a_ItemType) ||
+		ItemCategory::IsShovel(a_ItemType) ||
+		ItemCategory::IsPickaxe(a_ItemType) ||
+		(a_WithBook && ItemCategory::IsHoe(a_ItemType)) ||
+		ItemCategory::IsArmor(a_ItemType)
+	)
 	{
 		return true;
 	}
-	if ((item >= 267) && (item <= 279))
-	{
-		return true;
-	}
-	if ((item >= 283) && (item <= 286))
-	{
-		return true;
-	}
-	if ((item >= 290) && (item <= 294))
-	{
-		return true;
-	}
-	if ((item >= 298) && (item <= 317))
-	{
-		return true;
-	}
-	if ((item == 346) || (item == 359) || (item == 261))
+
+	switch (a_ItemType)
 	{
-		return true;
+		case E_ITEM_BOOK:
+		case E_ITEM_BOW:
+		case E_ITEM_FISHING_ROD:
+		{
+			return true;
+		}
+
+		case E_ITEM_CARROT_ON_STICK:
+		case E_ITEM_SHEARS:
+		case E_ITEM_FLINT_AND_STEEL:
+		{
+			return a_WithBook;
+		}
 	}
 
 	return false;
@@ -299,73 +303,77 @@ int cItem::GetEnchantability()
 
 bool cItem::EnchantByXPLevels(int a_NumXPLevels)
 {
-	if (!cItem::IsEnchantable(m_ItemType) && (m_ItemType != E_ITEM_BOOK))
+	if (!cItem::IsEnchantable(m_ItemType))
 	{
 		return false;
 	}
 
 	int Enchantability = GetEnchantability();
+	if (Enchantability == 0)
+	{
+		return false;
+	}
 
 	cFastRandom Random;
 	int ModifiedEnchantmentLevel = a_NumXPLevels + (int)Random.NextFloat((float)Enchantability / 4) + (int)Random.NextFloat((float)Enchantability / 4) + 1;
 	float RandomBonus = 1.0F + (Random.NextFloat(1) + Random.NextFloat(1) - 1.0F) * 0.15F;
 	int FinalEnchantmentLevel = (int)(ModifiedEnchantmentLevel * RandomBonus + 0.5F);
 
-	cWeightedEnchantments enchantments;
-	cEnchantments::AddItemEnchantmentWeights(enchantments, m_ItemType, FinalEnchantmentLevel);
+	cWeightedEnchantments Enchantments;
+	cEnchantments::AddItemEnchantmentWeights(Enchantments, m_ItemType, FinalEnchantmentLevel);
 
 	if (m_ItemType == E_ITEM_BOOK)
 	{
 		m_ItemType = E_ITEM_ENCHANTED_BOOK;
 	}
 
-	cEnchantments Enchantment1 = cEnchantments::GetRandomEnchantmentFromVector(enchantments);
+	cEnchantments Enchantment1 = cEnchantments::GetRandomEnchantmentFromVector(Enchantments);
 	m_Enchantments.AddFromString(Enchantment1.ToString());
-	cEnchantments::RemoveEnchantmentWeightFromVector(enchantments, Enchantment1);
+	cEnchantments::RemoveEnchantmentWeightFromVector(Enchantments, Enchantment1);
 
 	// Checking for conflicting enchantments
-	cEnchantments::CheckEnchantmentConflictsFromVector(enchantments, Enchantment1);
+	cEnchantments::CheckEnchantmentConflictsFromVector(Enchantments, Enchantment1);
 
 	float NewEnchantmentLevel = (float)a_NumXPLevels;
 
 	// Next Enchantment (Second)
 	NewEnchantmentLevel = NewEnchantmentLevel / 2;
 	float SecondEnchantmentChance = (NewEnchantmentLevel + 1) / 50 * 100;
-	if (enchantments.empty() || (Random.NextFloat(100) > SecondEnchantmentChance))
+	if (Enchantments.empty() || (Random.NextFloat(100) > SecondEnchantmentChance))
 	{
 		return true;
 	}
 
-	cEnchantments Enchantment2 = cEnchantments::GetRandomEnchantmentFromVector(enchantments);
+	cEnchantments Enchantment2 = cEnchantments::GetRandomEnchantmentFromVector(Enchantments);
 	m_Enchantments.AddFromString(Enchantment2.ToString());
-	cEnchantments::RemoveEnchantmentWeightFromVector(enchantments, Enchantment2);
+	cEnchantments::RemoveEnchantmentWeightFromVector(Enchantments, Enchantment2);
 
 	// Checking for conflicting enchantments
-	cEnchantments::CheckEnchantmentConflictsFromVector(enchantments, Enchantment2);
+	cEnchantments::CheckEnchantmentConflictsFromVector(Enchantments, Enchantment2);
 
 	// Next Enchantment (Third)
 	NewEnchantmentLevel = NewEnchantmentLevel / 2;
 	float ThirdEnchantmentChance = (NewEnchantmentLevel + 1) / 50 * 100;
-	if (enchantments.empty() || (Random.NextFloat(100) > ThirdEnchantmentChance))
+	if (Enchantments.empty() || (Random.NextFloat(100) > ThirdEnchantmentChance))
 	{
 		return true;
 	}
 
-	cEnchantments Enchantment3 = cEnchantments::GetRandomEnchantmentFromVector(enchantments);
+	cEnchantments Enchantment3 = cEnchantments::GetRandomEnchantmentFromVector(Enchantments);
 	m_Enchantments.AddFromString(Enchantment3.ToString());
-	cEnchantments::RemoveEnchantmentWeightFromVector(enchantments, Enchantment3);
+	cEnchantments::RemoveEnchantmentWeightFromVector(Enchantments, Enchantment3);
 
 	// Checking for conflicting enchantments
-	cEnchantments::CheckEnchantmentConflictsFromVector(enchantments, Enchantment3);
+	cEnchantments::CheckEnchantmentConflictsFromVector(Enchantments, Enchantment3);
 
 	// Next Enchantment (Fourth)
 	NewEnchantmentLevel = NewEnchantmentLevel / 2;
 	float FourthEnchantmentChance = (NewEnchantmentLevel + 1) / 50 * 100;
-	if (enchantments.empty() || (Random.NextFloat(100) > FourthEnchantmentChance))
+	if (Enchantments.empty() || (Random.NextFloat(100) > FourthEnchantmentChance))
 	{
 		return true;
 	}
-	cEnchantments Enchantment4 = cEnchantments::GetRandomEnchantmentFromVector(enchantments);
+	cEnchantments Enchantment4 = cEnchantments::GetRandomEnchantmentFromVector(Enchantments);
 	m_Enchantments.AddFromString(Enchantment4.ToString());
 
 	return true;
diff --git a/src/Item.h b/src/Item.h
index d8b9e78a0..056b5eb8a 100644
--- a/src/Item.h
+++ b/src/Item.h
@@ -183,8 +183,10 @@ public:
 	/** Loads the item data from JSON representation */
 	void FromJson(const Json::Value & a_Value);
 	
-	/** Returns true if the specified item type is enchantable (as per 1.2.5 protocol requirements) */
-	static bool IsEnchantable(short a_ItemType);  // tolua_export
+	/** Returns true if the specified item type is enchantable.
+	If WithBook is true, the function is used in the anvil inventory with book enchantments.
+	So it checks the "only book enchantments" too. Example: You can only enchant a hoe with a book. */
+	static bool IsEnchantable(short a_ItemType, bool a_WithBook = false);  // tolua_export
 
 	/** Returns the enchantability of the item. When the item hasn't a enchantability, it will returns 0 */
 	int GetEnchantability();  // tolua_export
diff --git a/src/Items/ItemFood.h b/src/Items/ItemFood.h
index 98050cad8..9035344df 100644
--- a/src/Items/ItemFood.h
+++ b/src/Items/ItemFood.h
@@ -29,7 +29,7 @@ public:
 		switch (m_ItemType)
 		{
 			// Please keep alpha-sorted.
-			case E_ITEM_BAKED_POTATO:     return FoodInfo(6, 7.2);
+			case E_ITEM_BAKED_POTATO:     return FoodInfo(5, 7.2);
 			case E_ITEM_BREAD:            return FoodInfo(5, 6);
 			// Carrots handled in ItemSeeds
 			case E_ITEM_COOKED_CHICKEN:   return FoodInfo(6, 7.2);
@@ -43,14 +43,16 @@ public:
 			case E_ITEM_POISONOUS_POTATO: return FoodInfo(2, 1.2);
 			// Potatoes handled in ItemSeeds
 			case E_ITEM_PUMPKIN_PIE:      return FoodInfo(8, 4.8);
+			case E_ITEM_RED_APPLE:        return FoodInfo(4, 2.4);
 			case E_ITEM_RAW_BEEF:         return FoodInfo(3, 1.8);
 			case E_ITEM_RAW_CHICKEN:      return FoodInfo(2, 1.2);
 			case E_ITEM_RAW_FISH:         return FoodInfo(2, 1.2);
+			case E_ITEM_RAW_MUTTON:       return FoodInfo(2, 1.2);
 			case E_ITEM_RAW_PORKCHOP:     return FoodInfo(3, 1.8);
-			case E_ITEM_RED_APPLE:        return FoodInfo(4, 2.4);
 			case E_ITEM_ROTTEN_FLESH:     return FoodInfo(4, 0.8);
 			case E_ITEM_SPIDER_EYE:       return FoodInfo(2, 3.2);
 			case E_ITEM_STEAK:            return FoodInfo(8, 12.8);
+			case E_ITEM_MUTTON:           return FoodInfo(6, 9.6);
 		}
 		LOGWARNING("%s: Unknown food item (%d), returning zero nutrition", __FUNCTION__, m_ItemType);
 		return FoodInfo(0, 0.f);
diff --git a/src/Items/ItemHandler.cpp b/src/Items/ItemHandler.cpp
index ca0f04dcc..e425be627 100644
--- a/src/Items/ItemHandler.cpp
+++ b/src/Items/ItemHandler.cpp
@@ -207,7 +207,7 @@ cItemHandler *cItemHandler::CreateItemHandler(int a_ItemType)
 		}
 		
 		// Food (please keep alpha-sorted):
-		// (carrots and potatoes handled in SeedHandler as both seed and food
+		// (carrots and potatoes handled separately in SeedHandler as they're both seed and food)
 		case E_ITEM_BAKED_POTATO:
 		case E_ITEM_BREAD:
 		case E_ITEM_COOKED_CHICKEN:
@@ -217,13 +217,15 @@ cItemHandler *cItemHandler::CreateItemHandler(int a_ItemType)
 		case E_ITEM_GOLDEN_CARROT:
 		case E_ITEM_MELON_SLICE:
 		case E_ITEM_MUSHROOM_SOUP:
+		case E_ITEM_MUTTON:
 		case E_ITEM_POISONOUS_POTATO:
 		case E_ITEM_PUMPKIN_PIE:
+		case E_ITEM_RED_APPLE:
 		case E_ITEM_RAW_BEEF:
 		case E_ITEM_RAW_CHICKEN:
 		case E_ITEM_RAW_FISH:
+		case E_ITEM_RAW_MUTTON:
 		case E_ITEM_RAW_PORKCHOP:
-		case E_ITEM_RED_APPLE:
 		case E_ITEM_ROTTEN_FLESH:
 		case E_ITEM_SPIDER_EYE:
 		case E_ITEM_STEAK:
diff --git a/src/Items/ItemSeeds.h b/src/Items/ItemSeeds.h
index 54a1183d7..e1db7c5f4 100644
--- a/src/Items/ItemSeeds.h
+++ b/src/Items/ItemSeeds.h
@@ -37,7 +37,7 @@ public:
 	{
 		switch (m_ItemType)
 		{
-			case E_ITEM_CARROT: return FoodInfo(4, 4.8);
+			case E_ITEM_CARROT: return FoodInfo(3, 4.8);
 			case E_ITEM_POTATO: return FoodInfo(1, 0.6);
 			default:            return FoodInfo(0, 0);
 		}
diff --git a/src/Mobs/Sheep.cpp b/src/Mobs/Sheep.cpp
index 9fb47201d..1a82115d2 100644
--- a/src/Mobs/Sheep.cpp
+++ b/src/Mobs/Sheep.cpp
@@ -39,6 +39,13 @@ void cSheep::GetDrops(cItems & a_Drops, cEntity * a_Killer)
 	{
 		a_Drops.push_back(cItem(E_BLOCK_WOOL, 1, m_WoolColor));
 	}
+
+	int LootingLevel = 0;
+	if (a_Killer != NULL)
+	{
+		LootingLevel = a_Killer->GetEquippedWeapon().m_Enchantments.GetLevel(cEnchantments::enchLooting);
+	}
+	AddRandomDropItem(a_Drops, 1, 3 + LootingLevel, IsOnFire() ? E_ITEM_MUTTON : E_ITEM_RAW_MUTTON);
 }
 
 
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index 1091b877f..f24ef320d 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -1355,6 +1355,7 @@ void cProtocol172::SendUpdateBlockEntity(cBlockEntity & a_BlockEntity)
 void cProtocol172::SendUpdateSign(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4)
 {
 	ASSERT(m_State == 3);  // In game mode?
+	ASSERT((a_BlockY >= 0) && (a_BlockY < cChunkDef::Height));
 	
 	cPacketizer Pkt(*this, 0x33);
 	Pkt.WriteInt(a_BlockX);
diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h
index ccfa19eb6..d3100d0fb 100644
--- a/src/Protocol/Protocol17x.h
+++ b/src/Protocol/Protocol17x.h
@@ -71,7 +71,9 @@ public:
 	virtual void SendCollectEntity       (const cEntity & a_Entity, const cPlayer & a_Player) override;
 	virtual void SendDestroyEntity       (const cEntity & a_Entity) override;
 	virtual void SendDisconnect          (const AString & a_Reason) override;
+	virtual void SendDisplayObjective    (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) override;
 	virtual void SendEditSign            (int a_BlockX, int a_BlockY, int a_BlockZ) override;  ///< Request the client to open up the sign editor for the sign (1.6+)
+	virtual void SendEntityAnimation     (const cEntity & a_Entity, char a_Animation) override;
 	virtual void SendEntityEffect        (const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration) override;
 	virtual void SendEntityEquipment     (const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item) override;
 	virtual void SendEntityHeadLook      (const cEntity & a_Entity) override;
@@ -82,6 +84,8 @@ public:
 	virtual void SendEntityRelMoveLook   (const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ) override;
 	virtual void SendEntityStatus        (const cEntity & a_Entity, char a_Status) override;
 	virtual void SendEntityVelocity      (const cEntity & a_Entity) override;
+	virtual void SendExperience          (void) override;
+	virtual void SendExperienceOrb       (const cExpOrb & a_ExpOrb) override;
 	virtual void SendExplosion           (double a_BlockX, double a_BlockY, double a_BlockZ, float a_Radius, const cVector3iArray & a_BlocksAffected, const Vector3d & a_PlayerMotion) override;
 	virtual void SendGameMode            (eGameMode a_GameMode) override;
 	virtual void SendHealth              (void) override;
@@ -93,10 +97,9 @@ public:
 	virtual void SendMapDecorators       (int a_ID, const cMapDecoratorList & a_Decorators) override;
 	virtual void SendMapInfo             (int a_ID, unsigned int a_Scale) override;
 	virtual void SendPaintingSpawn       (const cPainting & a_Painting) override;
+	virtual void SendParticleEffect      (const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount) override;
 	virtual void SendPickupSpawn         (const cPickup & a_Pickup) override;
 	virtual void SendPlayerAbilities     (void) override;
-	virtual void SendEntityAnimation     (const cEntity & a_Entity, char a_Animation) override;
-	virtual void SendParticleEffect      (const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount) override;
 	virtual void SendPlayerListItem      (const cPlayer & a_Player, bool a_IsOnline) override;
 	virtual void SendPlayerMaxSpeed      (void) override;
 	virtual void SendPlayerMoveLook      (void) override;
@@ -105,12 +108,9 @@ public:
 	virtual void SendPluginMessage       (const AString & a_Channel, const AString & a_Message) override;
 	virtual void SendRemoveEntityEffect  (const cEntity & a_Entity, int a_EffectID) override;
 	virtual void SendRespawn             (eDimension a_Dimension, bool a_ShouldIgnoreDimensionChecks) override;
-	virtual void SendSoundEffect         (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) override;
-	virtual void SendExperience          (void) override;
-	virtual void SendExperienceOrb       (const cExpOrb & a_ExpOrb) override;
-	virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override;
 	virtual void SendScoreUpdate         (const AString & a_Objective, const AString & a_Player, cObjective::Score a_Score, Byte a_Mode) override;
-	virtual void SendDisplayObjective    (const AString & a_Objective, cScoreboard::eDisplaySlot a_Display) override;
+	virtual void SendScoreboardObjective (const AString & a_Name, const AString & a_DisplayName, Byte a_Mode) override;
+	virtual void SendSoundEffect         (const AString & a_SoundName, double a_X, double a_Y, double a_Z, float a_Volume, float a_Pitch) override;
 	virtual void SendSoundParticleEffect (int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data) override;
 	virtual void SendSpawnFallingBlock   (const cFallingBlock & a_FallingBlock) override;
 	virtual void SendSpawnMob            (const cMonster & a_Mob) override;
diff --git a/src/Root.cpp b/src/Root.cpp
index f04cbf08b..86a497a76 100644
--- a/src/Root.cpp
+++ b/src/Root.cpp
@@ -18,6 +18,7 @@
 #include "DeadlockDetect.h"
 #include "OSSupport/Timer.h"
 #include "LoggerListeners.h"
+#include "BuildInfo.h"
 
 #include "inifile/iniFile.h"
 
@@ -111,6 +112,11 @@ void cRoot::Start(void)
 	
 	LOG("--- Started Log ---\n");
 
+	#ifdef BUILD_ID
+	LOG("MCServer " BUILD_SERIES_NAME " build id: " BUILD_ID );
+	LOG("from commit id: " BUILD_COMMIT_ID " built at: " BUILD_DATETIME );
+	#endif
+
 	cDeadlockDetect dd;
 
 	m_bStop = false;
@@ -151,6 +157,7 @@ void cRoot::Start(void)
 		m_MojangAPI.Start(IniFile);  // Mojang API needs to be started before plugins, so that plugins may use it for DB upgrades on server init
 		if (!m_Server->InitServer(IniFile))
 		{
+			IniFile.WriteFile("settings.ini");
 			LOGERROR("Failure starting server, aborting...");
 			return;
 		}
diff --git a/src/SetChunkData.cpp b/src/SetChunkData.cpp
index bfe59fbcb..707dfb9e8 100644
--- a/src/SetChunkData.cpp
+++ b/src/SetChunkData.cpp
@@ -44,7 +44,6 @@ cSetChunkData::cSetChunkData(
 	// Check the params' validity:
 	ASSERT(a_BlockTypes != NULL);
 	ASSERT(a_BlockMetas != NULL);
-	ASSERT(a_Biomes != NULL);
 
 	// Copy block types and metas:
 	memcpy(m_BlockTypes, a_BlockTypes, sizeof(cChunkDef::BlockTypes));
diff --git a/src/StringCompression.cpp b/src/StringCompression.cpp
index 71d64e71e..af9f1687f 100644
--- a/src/StringCompression.cpp
+++ b/src/StringCompression.cpp
@@ -180,3 +180,65 @@ extern int UncompressStringGZIP(const char * a_Data, size_t a_Length, AString &
 
 
 
+
+extern int InflateString(const char * a_Data, size_t a_Length, AString & a_Uncompressed)
+{
+	a_Uncompressed.reserve(a_Length);
+
+	char Buffer[64 KiB];
+	z_stream strm;
+	memset(&strm, 0, sizeof(strm));
+	strm.next_in = (Bytef *)a_Data;
+	strm.avail_in = (uInt)a_Length;
+	strm.next_out = (Bytef *)Buffer;
+	strm.avail_out = sizeof(Buffer);
+	
+	int res = inflateInit(&strm);  // Force GZIP decoding
+	if (res != Z_OK)
+	{
+		LOG("%s: inflation initialization failed: %d (\"%s\").", __FUNCTION__, res, strm.msg);
+		return res;
+	}
+	
+	for (;;)
+	{
+		res = inflate(&strm, Z_NO_FLUSH);
+		switch (res)
+		{
+			case Z_OK:
+			{
+				// Some data has been uncompressed. Consume the buffer and continue uncompressing
+				a_Uncompressed.append(Buffer, sizeof(Buffer) - strm.avail_out);
+				strm.next_out = (Bytef *)Buffer;
+				strm.avail_out = sizeof(Buffer);
+				if (strm.avail_in == 0)
+				{
+					// All data has been uncompressed
+					inflateEnd(&strm);
+					return Z_OK;
+				}
+				break;
+			}
+			
+			case Z_STREAM_END:
+			{
+				// Finished uncompressing. Consume the rest of the buffer and return
+				a_Uncompressed.append(Buffer, sizeof(Buffer) - strm.avail_out);
+				inflateEnd(&strm);
+				return Z_OK;
+			}
+			
+			default:
+			{
+				// An error has occurred, log it and return the error value
+				LOG("%s: inflation failed: %d (\"%s\").", __FUNCTION__, res, strm.msg);
+				inflateEnd(&strm);
+				return res;
+			}
+		}  // switch (res)
+	}  // while (true)
+}
+
+
+
+
diff --git a/src/StringCompression.h b/src/StringCompression.h
index 038240797..dde17ce30 100644
--- a/src/StringCompression.h
+++ b/src/StringCompression.h
@@ -21,5 +21,7 @@ extern int CompressStringGZIP(const char * a_Data, size_t a_Length, AString & a_
 /// Uncompresses a_Data into a_Uncompressed using GZIP; returns Z_OK for success or Z_XXX error constants same as zlib
 extern int UncompressStringGZIP(const char * a_Data, size_t a_Length, AString & a_Uncompressed);
 
+/** Uncompresses a_Data into a_Uncompressed using Inflate; returns Z_OK for success or Z_XXX error constants same as zlib */
+extern int InflateString(const char * a_Data, size_t a_Length, AString & a_Uncompressed);
 
 
diff --git a/src/UI/SlotArea.cpp b/src/UI/SlotArea.cpp
index 4199bbf56..b4facb2d3 100644
--- a/src/UI/SlotArea.cpp
+++ b/src/UI/SlotArea.cpp
@@ -207,7 +207,7 @@ void cSlotArea::ShiftClicked(cPlayer & a_Player, int a_SlotNum, const cItem & a_
 	m_ParentWindow.DistributeStack(Slot, a_Player, this, true);
 	if (Slot.IsEmpty())
 	{
-		// Empty the slot completely, the cilent doesn't like left-over ItemType with zero count
+		// Empty the slot completely, the client doesn't like left-over ItemType with zero count
 		Slot.Empty();
 	}
 	SetSlot(a_SlotNum, a_Player, Slot);
@@ -1389,8 +1389,11 @@ void cSlotAreaBeacon::OnSlotChanged(cItemGrid * a_ItemGrid, int a_SlotNum)
 ////////////////////////////////////////////////////////////////////////////////
 // cSlotAreaEnchanting:
 
-cSlotAreaEnchanting::cSlotAreaEnchanting(cEnchantingWindow & a_ParentWindow) :
-	cSlotAreaTemporary(1, a_ParentWindow)
+cSlotAreaEnchanting::cSlotAreaEnchanting(cEnchantingWindow & a_ParentWindow, int a_BlockX, int a_BlockY, int a_BlockZ) :
+	cSlotAreaTemporary(1, a_ParentWindow),
+	m_BlockX(a_BlockX),
+	m_BlockY(a_BlockY),
+	m_BlockZ(a_BlockZ)
 {
 	a_ParentWindow.m_SlotArea = this;
 }
@@ -1409,7 +1412,7 @@ void cSlotAreaEnchanting::Clicked(cPlayer & a_Player, int a_SlotNum, eClickActio
 		LOGWARNING("GetSlot(%d) returned NULL! Ignoring click", a_SlotNum);
 		return;
 	}
-	
+
 	switch (a_ClickAction)
 	{
 		case caShiftLeftClick:
@@ -1428,6 +1431,25 @@ void cSlotAreaEnchanting::Clicked(cPlayer & a_Player, int a_SlotNum, eClickActio
 			MiddleClicked(a_Player, a_SlotNum);
 			return;
 		}
+		case caDropKey:
+		case caCtrlDropKey:
+		{
+			DropClicked(a_Player, a_SlotNum, false);
+			return;
+		}
+		case caNumber1:
+		case caNumber2:
+		case caNumber3:
+		case caNumber4:
+		case caNumber5:
+		case caNumber6:
+		case caNumber7:
+		case caNumber8:
+		case caNumber9:
+		{
+			NumberClicked(a_Player, a_SlotNum, a_ClickAction);
+			return;
+		}
 		default:
 		{
 			break;
@@ -1443,106 +1465,36 @@ void cSlotAreaEnchanting::Clicked(cPlayer & a_Player, int a_SlotNum, eClickActio
 		bAsync = true;
 	}
 	cItem & DraggingItem = a_Player.GetDraggingItem();
-	switch (a_ClickAction)
+
+	if (DraggingItem.IsEmpty())
 	{
-		case caRightClick:
+		// DraggingItem is empty -> Switch draggingitem and slot
+		if (!Slot.IsEmpty())
 		{
-			// Right-clicked
-			if (DraggingItem.IsEmpty())
-			{
-				DraggingItem = Slot.CopyOne();
-				Slot.Empty();
-				break;
-			}
-			
-			if (Slot.IsEmpty())
-			{
-				Slot = DraggingItem.CopyOne();
-				DraggingItem.m_ItemCount -= 1;
-				if (DraggingItem.m_ItemCount <= 0)
-				{
-					DraggingItem.Empty();
-				}
-			}
-			else if ((!DraggingItem.IsEqual(Slot)) && (DraggingItem.m_ItemCount == 1))
-			{
-				// Swap contents
-				cItem tmp(DraggingItem);
-				DraggingItem = Slot;
-				Slot = tmp;
-			}
-			break;
+			std::swap(DraggingItem, Slot);
 		}
-		
-		case caLeftClick:
-		{
-			// Left-clicked
-			if (DraggingItem.IsEmpty())
-			{
-				DraggingItem = Slot.CopyOne();
-				Slot.Empty();
-				break;
-			}
-			
-			if (DraggingItem.IsEqual(Slot))
-			{
-				// Do nothing
-				break;
-			}
-			
-			if (!Slot.IsEmpty())
-			{
-				if (DraggingItem.m_ItemCount == 1)
-				{
-					// Swap contents
-					cItem tmp(DraggingItem);
-					DraggingItem = Slot;
-					Slot = tmp;
-				}
-			}
-			else
-			{
-				Slot = DraggingItem.CopyOne();
-				DraggingItem.m_ItemCount -= 1;
-				if (DraggingItem.m_ItemCount <= 0)
-				{
-					DraggingItem.Empty();
-				}
-			}
-			break;
-		}
-		default:
+	}
+	else if (Slot.IsEmpty())
+	{
+		// DraggingItem isn't empty and slot is empty -> Set one dragging item in the slot
+		Slot = DraggingItem.CopyOne();
+		DraggingItem.m_ItemCount -= 1;
+
+		if (DraggingItem.m_ItemCount <= 0)
 		{
-			LOGWARNING("SlotArea: Unhandled click action: %d (%s)", a_ClickAction, ClickActionToString(a_ClickAction));
-			m_ParentWindow.BroadcastWholeWindow();
-			return;
+			DraggingItem.Empty();
 		}
-	}  // switch (a_ClickAction
-	
-	SetSlot(a_SlotNum, a_Player, Slot);
-	if (bAsync)
-	{
-		m_ParentWindow.BroadcastWholeWindow();
 	}
-	UpdateResult(a_Player);
-}
-
-
-
-
-
-void cSlotAreaEnchanting::DblClicked(cPlayer & a_Player, int a_SlotNum)
-{
-	cItem & Dragging = a_Player.GetDraggingItem();
-	if ((!Dragging.IsEmpty()) || (a_SlotNum != 0))
+	else if ((DraggingItem.m_ItemCount == 1) && !DraggingItem.IsEqual(Slot))
 	{
-		return;
+		// DraggingItem and slot aren't empty -> Switch items
+		std::swap(DraggingItem, Slot);
 	}
-	
-	cItem Item = *GetSlot(0, a_Player);
-	if (!m_ParentWindow.CollectItemsToHand(Item, *this, a_Player, false))
+
+	SetSlot(a_SlotNum, a_Player, Slot);
+	if (bAsync)
 	{
-		m_ParentWindow.CollectItemsToHand(Item, *this, a_Player, true);
+		m_ParentWindow.BroadcastWholeWindow();
 	}
 }
 
@@ -1567,7 +1519,15 @@ void cSlotAreaEnchanting::DistributeStack(cItem & a_ItemStack, cPlayer & a_Playe
 	{
 		a_ItemStack.Empty();
 	}
+}
+
+
+
 
+
+void cSlotAreaEnchanting::OnPlayerAdded(cPlayer & a_Player)
+{
+	super::OnPlayerAdded(a_Player);
 	UpdateResult(a_Player);
 }
 
@@ -1587,29 +1547,33 @@ void cSlotAreaEnchanting::OnPlayerRemoved(cPlayer & a_Player)
 
 
 
+void cSlotAreaEnchanting::SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item)
+{
+	super::SetSlot(a_SlotNum, a_Player, a_Item);
+	UpdateResult(a_Player);
+}
+
+
+
+
+
 void cSlotAreaEnchanting::UpdateResult(cPlayer & a_Player)
 {
 	cItem Item = *GetSlot(0, a_Player);
 
-	if (Item.IsEmpty() || !Item.m_Enchantments.IsEmpty())
-	{
-		m_ParentWindow.SetProperty(0, 0, a_Player);
-		m_ParentWindow.SetProperty(1, 0, a_Player);
-		m_ParentWindow.SetProperty(2, 0, a_Player);
-	}
-	else if (cItem::IsEnchantable(Item.m_ItemType) || Item.m_ItemType == E_ITEM_BOOK)
+	if (cItem::IsEnchantable(Item.m_ItemType) && Item.m_Enchantments.IsEmpty())
 	{
 		int Bookshelves = std::min(GetBookshelvesCount(a_Player.GetWorld()), 15);
 
 		cFastRandom Random;
-		int base = (Random.GenerateRandomInteger(1, 8) + (int)floor((float)Bookshelves / 2) + Random.GenerateRandomInteger(0, Bookshelves));
-		int topSlot = std::max(base / 3, 1);
-		int middleSlot = (base * 2) / 3 + 1;
-		int bottomSlot = std::max(base, Bookshelves * 2);
+		int Base = (Random.GenerateRandomInteger(1, 8) + (int)floor((float)Bookshelves / 2) + Random.GenerateRandomInteger(0, Bookshelves));
+		int TopSlot = std::max(Base / 3, 1);
+		int MiddleSlot = (Base * 2) / 3 + 1;
+		int BottomSlot = std::max(Base, Bookshelves * 2);
 
-		m_ParentWindow.SetProperty(0, topSlot, a_Player);
-		m_ParentWindow.SetProperty(1, middleSlot, a_Player);
-		m_ParentWindow.SetProperty(2, bottomSlot, a_Player);
+		m_ParentWindow.SetProperty(0, TopSlot, a_Player);
+		m_ParentWindow.SetProperty(1, MiddleSlot, a_Player);
+		m_ParentWindow.SetProperty(2, BottomSlot, a_Player);
 	}
 	else
 	{
@@ -1625,12 +1589,9 @@ void cSlotAreaEnchanting::UpdateResult(cPlayer & a_Player)
 
 int cSlotAreaEnchanting::GetBookshelvesCount(cWorld * a_World)
 {
-	int PosX, PosY, PosZ;
-	((cEnchantingWindow*)&m_ParentWindow)->GetBlockPos(PosX, PosY, PosZ);
-
 	int Bookshelves = 0;
 	cBlockArea Area;
-	Area.Read(a_World, PosX - 2, PosX + 2, PosY, PosY + 1, PosZ - 2, PosZ + 2);
+	Area.Read(a_World, m_BlockX - 2, m_BlockX + 2, m_BlockY, m_BlockY + 1, m_BlockZ - 2, m_BlockZ + 2);
 
 	static const struct
 	{
@@ -1678,7 +1639,7 @@ int cSlotAreaEnchanting::GetBookshelvesCount(cWorld * a_World)
 		if (
 			(Area.GetRelBlockType(CheckCoords[i].m_AirX, CheckCoords[i].m_AirY, CheckCoords[i].m_AirZ) == E_BLOCK_AIR) &&  // There's air in the checkspot
 			(Area.GetRelBlockType(CheckCoords[i].m_BookX, CheckCoords[i].m_BookY, CheckCoords[i].m_BookZ) == E_BLOCK_BOOKCASE)  // There's bookcase in the wanted place
-			)
+		)
 		{
 			Bookshelves++;
 		}
diff --git a/src/UI/SlotArea.h b/src/UI/SlotArea.h
index 9a96f2f3c..6bbc87b76 100644
--- a/src/UI/SlotArea.h
+++ b/src/UI/SlotArea.h
@@ -349,14 +349,15 @@ class cSlotAreaEnchanting :
 	typedef cSlotAreaTemporary super;
 
 public:
-	cSlotAreaEnchanting(cEnchantingWindow & a_ParentWindow);
+	cSlotAreaEnchanting(cEnchantingWindow & a_ParentWindow, int a_BlockX, int a_BlockY, int a_BlockZ);
 
 	// cSlotArea overrides:
 	virtual void Clicked(cPlayer & a_Player, int a_SlotNum, eClickAction a_ClickAction, const cItem & a_ClickedItem) override;
-	virtual void DblClicked(cPlayer & a_Player, int a_SlotNum) override;
 	virtual void DistributeStack(cItem & a_ItemStack, cPlayer & a_Player, bool a_ShouldApply, bool a_KeepEmptySlots) override;
+	virtual void SetSlot(int a_SlotNum, cPlayer & a_Player, const cItem & a_Item) override;
 
 	// cSlotAreaTemporary overrides:
+	virtual void OnPlayerAdded  (cPlayer & a_Player) override;
 	virtual void OnPlayerRemoved(cPlayer & a_Player) override;
 
 	/* Get the count of bookshelves who stand in the near of the enchanting table */
@@ -365,6 +366,8 @@ public:
 protected:
 	/** Handles a click in the item slot. */
 	void UpdateResult(cPlayer & a_Player);
+
+	int m_BlockX, m_BlockY, m_BlockZ;
 };
 
 
diff --git a/src/UI/Window.cpp b/src/UI/Window.cpp
index 8f4913030..66900269f 100644
--- a/src/UI/Window.cpp
+++ b/src/UI/Window.cpp
@@ -881,7 +881,7 @@ cEnchantingWindow::cEnchantingWindow(int a_BlockX, int a_BlockY, int a_BlockZ) :
 	m_BlockY(a_BlockY),
 	m_BlockZ(a_BlockZ)
 {
-	m_SlotAreas.push_back(new cSlotAreaEnchanting(*this));
+	m_SlotAreas.push_back(new cSlotAreaEnchanting(*this, m_BlockX, m_BlockY, m_BlockZ));
 	m_SlotAreas.push_back(new cSlotAreaInventory(*this));
 	m_SlotAreas.push_back(new cSlotAreaHotBar(*this));
 }
@@ -892,8 +892,13 @@ cEnchantingWindow::cEnchantingWindow(int a_BlockX, int a_BlockY, int a_BlockZ) :
 
 void cEnchantingWindow::SetProperty(int a_Property, int a_Value)
 {
-	m_PropertyValue[a_Property] = a_Value;
+	if ((a_Property < 0) || ((size_t)a_Property >= ARRAYCOUNT(m_PropertyValue)))
+	{
+		ASSERT(!"a_Property is invalid");
+		return;
+	}
 
+	m_PropertyValue[a_Property] = a_Value;
 	super::SetProperty(a_Property, a_Value);
 }
 
@@ -903,8 +908,13 @@ void cEnchantingWindow::SetProperty(int a_Property, int a_Value)
 
 void cEnchantingWindow::SetProperty(int a_Property, int a_Value, cPlayer & a_Player)
 {
-	m_PropertyValue[a_Property] = a_Value;
+	if ((a_Property < 0) || ((size_t)a_Property >= ARRAYCOUNT(m_PropertyValue)))
+	{
+		ASSERT(!"a_Property is invalid");
+		return;
+	}
 
+	m_PropertyValue[a_Property] = a_Value;
 	super::SetProperty(a_Property, a_Value, a_Player);
 }
 
@@ -914,18 +924,13 @@ void cEnchantingWindow::SetProperty(int a_Property, int a_Value, cPlayer & a_Pla
 
 int cEnchantingWindow::GetPropertyValue(int a_Property)
 {
-	return m_PropertyValue[a_Property];
-}
-
-
-
-
+	if ((a_Property < 0) || ((size_t)a_Property >= ARRAYCOUNT(m_PropertyValue)))
+	{
+		ASSERT(!"a_Property is invalid");
+		return 0;
+	}
 
-void cEnchantingWindow::GetBlockPos(int & a_PosX, int & a_PosY, int & a_PosZ)
-{
-	a_PosX = m_BlockX;
-	a_PosY = m_BlockY;
-	a_PosZ = m_BlockZ;
+	return m_PropertyValue[a_Property];
 }
 
 
diff --git a/src/UI/Window.h b/src/UI/Window.h
index 9fb0e3b38..3d860407f 100644
--- a/src/UI/Window.h
+++ b/src/UI/Window.h
@@ -291,9 +291,6 @@ public:
 	/** Return the Value of a Property */
 	int GetPropertyValue(int a_Property);
 
-	/** Get the Position from the Enchantment Table */
-	void GetBlockPos(int & a_PosX, int & a_PosY, int & a_PosZ);
-
 	cSlotArea * m_SlotArea;
 
 protected:
diff --git a/src/WebAdmin.cpp b/src/WebAdmin.cpp
index 23eedbd14..db2ace386 100644
--- a/src/WebAdmin.cpp
+++ b/src/WebAdmin.cpp
@@ -43,6 +43,8 @@ public:
 cWebAdmin::cWebAdmin(void) :
 	m_IsInitialized(false),
 	m_IsRunning(false),
+	m_PortsIPv4("8080"),
+	m_PortsIPv6(""),
 	m_TemplateScript("<webadmin_template>")
 {
 }
@@ -89,6 +91,8 @@ bool cWebAdmin::Init(void)
 		m_IniFile.AddHeaderComment(" Password format: Password=*password*; for example:");
 		m_IniFile.AddHeaderComment(" [User:admin]");
 		m_IniFile.AddHeaderComment(" Password=admin");
+		m_IniFile.SetValue("WebAdmin", "Port", m_PortsIPv4);
+		m_IniFile.SetValue("WebAdmin", "PortsIPv6", m_PortsIPv6);
 		m_IniFile.WriteFile("webadmin.ini");
 	}
 
@@ -100,8 +104,8 @@ bool cWebAdmin::Init(void)
 
 	LOGD("Initialising WebAdmin...");
 
-	m_PortsIPv4 = m_IniFile.GetValueSet("WebAdmin", "Port", "8080");
-	m_PortsIPv6 = m_IniFile.GetValueSet("WebAdmin", "PortsIPv6", "");
+	m_PortsIPv4 = m_IniFile.GetValueSet("WebAdmin", "Port", m_PortsIPv4);
+	m_PortsIPv6 = m_IniFile.GetValueSet("WebAdmin", "PortsIPv6", m_PortsIPv6);
 
 	if (!m_HTTPServer.Initialize(m_PortsIPv4, m_PortsIPv6))
 	{
@@ -131,8 +135,24 @@ bool cWebAdmin::Start(void)
 	m_TemplateScript.RegisterAPILibs();
 	if (!m_TemplateScript.LoadFile(FILE_IO_PREFIX "webadmin/template.lua"))
 	{
-		LOGWARN("Could not load WebAdmin template \"%s\", using default template.", FILE_IO_PREFIX "webadmin/template.lua");
+		LOGWARN("Could not load WebAdmin template \"%s\". WebAdmin disabled!", FILE_IO_PREFIX "webadmin/template.lua");
 		m_TemplateScript.Close();
+		m_HTTPServer.Stop();
+		return false;
+	}
+
+	if (!LoadLoginTemplate())
+	{
+		LOGWARN("Could not load WebAdmin login template \"%s\", using fallback template.", FILE_IO_PREFIX "webadmin/login_template.html");
+
+		// Sets the fallback template:
+		m_LoginTemplate = \
+		"<h1>MCServer WebAdmin</h1>" \
+		"<center>" \
+		"<form method='get' action='webadmin/'>" \
+		"<input type='submit' value='Log in'>" \
+		"</form>" \
+		"</center>";
 	}
 
 	m_IsRunning = m_HTTPServer.Start(*this);
@@ -159,6 +179,28 @@ void cWebAdmin::Stop(void)
 
 
 
+bool cWebAdmin::LoadLoginTemplate(void)
+{
+	cFile File(FILE_IO_PREFIX "webadmin/login_template.html", cFile::fmRead);
+	if (!File.IsOpen())
+	{
+		return false;
+	}
+
+	AString TemplateContent;
+	if (File.ReadRestOfFile(TemplateContent) == -1)
+	{
+		return false;
+	}
+
+	m_LoginTemplate = TemplateContent;
+	return true;
+}
+
+
+
+
+
 void cWebAdmin::HandleWebadminRequest(cHTTPConnection & a_Connection, cHTTPRequest & a_Request)
 {
 	if (!a_Request.HasAuth())
@@ -298,17 +340,64 @@ void cWebAdmin::HandleWebadminRequest(cHTTPConnection & a_Connection, cHTTPReque
 void cWebAdmin::HandleRootRequest(cHTTPConnection & a_Connection, cHTTPRequest & a_Request)
 {
 	UNUSED(a_Request);
-	static const char LoginForm[] = \
-	"<h1>MCServer WebAdmin</h1>" \
-	"<center>" \
-	"<form method='get' action='webadmin/'>" \
-	"<input type='submit' value='Log in'>" \
-	"</form>" \
-	"</center>";
+
 	cHTTPResponse Resp;
 	Resp.SetContentType("text/html");
 	a_Connection.Send(Resp);
-	a_Connection.Send(LoginForm, sizeof(LoginForm) - 1);
+	a_Connection.Send(m_LoginTemplate);
+	a_Connection.FinishResponse();
+}
+
+
+
+
+
+void cWebAdmin::HandleFileRequest(cHTTPConnection & a_Connection, cHTTPRequest & a_Request)
+{
+	AString FileURL = a_Request.GetURL();
+	std::replace(FileURL.begin(), FileURL.end(), '\\', '/');
+
+	// Remove all leading backslashes:
+	if (FileURL[0] == '/')
+	{
+		size_t FirstCharToRead = FileURL.find_first_not_of('/');
+		if (FirstCharToRead != AString::npos)
+		{
+			FileURL = FileURL.substr(FirstCharToRead);
+		}
+	}
+
+	// Remove all "../" strings:
+	ReplaceString(FileURL, "../", "");
+
+	bool LoadedSuccessfull = false;
+	AString Content = "<h2>404 Not Found</h2>";
+	AString Path = Printf(FILE_IO_PREFIX "webadmin/files/%s", FileURL.c_str());
+	if (cFile::IsFile(Path))
+	{
+		cFile File(Path, cFile::fmRead);
+		AString FileContent;
+		if (File.IsOpen() && (File.ReadRestOfFile(FileContent) != -1))
+		{
+			LoadedSuccessfull = true;
+			Content = FileContent;
+		}
+	}
+
+	// Find content type (The currently method is very bad. We should change it later)
+	AString ContentType = "text/html";
+	size_t LastPointPosition = Path.find_last_of('.');
+	if (LoadedSuccessfull && (LastPointPosition != AString::npos) && (LastPointPosition < Path.length()))
+	{
+		AString FileExtension = Path.substr(LastPointPosition + 1);
+		ContentType = GetContentTypeFromFileExt(FileExtension);
+	}
+
+	// Send the response:
+	cHTTPResponse Resp;
+	Resp.SetContentType(ContentType);
+	a_Connection.Send(Resp);
+	a_Connection.Send(Content);
 	a_Connection.FinishResponse();
 }
 
@@ -316,6 +405,41 @@ void cWebAdmin::HandleRootRequest(cHTTPConnection & a_Connection, cHTTPRequest &
 
 
 
+AString cWebAdmin::GetContentTypeFromFileExt(const AString & a_FileExtension)
+{
+	static bool IsInitialized = false;
+	static std::map<AString, AString> ContentTypeMap;
+	if (!IsInitialized)
+	{
+		// Initialize the ContentTypeMap:
+		ContentTypeMap["png"]  = "image/png";
+		ContentTypeMap["fif"]  = "image/fif";
+		ContentTypeMap["gif"]  = "image/gif";
+		ContentTypeMap["jpeg"] = "image/jpeg";
+		ContentTypeMap["jpg"]  = "image/jpeg";
+		ContentTypeMap["jpe"]  = "image/jpeg";
+		ContentTypeMap["tiff"] = "image/tiff";
+		ContentTypeMap["ico"]  = "image/ico";
+		ContentTypeMap["csv"]  = "image/comma-separated-values";
+		ContentTypeMap["css"]  = "text/css";
+		ContentTypeMap["js"]   = "text/javascript";
+		ContentTypeMap["txt"]  = "text/plain";
+		ContentTypeMap["rtx"]  = "text/richtext";
+		ContentTypeMap["xml"]  = "text/xml";
+	}
+
+	AString FileExtension = StrToLower(a_FileExtension);
+	if (ContentTypeMap.find(a_FileExtension) == ContentTypeMap.end())
+	{
+		return "text/html";
+	}
+	return ContentTypeMap[FileExtension];
+}
+
+
+
+
+
 sWebAdminPage cWebAdmin::GetPage(const HTTPRequest & a_Request)
 {
 	sWebAdminPage Page;
@@ -382,6 +506,7 @@ AString cWebAdmin::GetDefaultPage(void)
 
 
 
+
 AString cWebAdmin::GetBaseURL( const AString& a_URL)
 {
 	return GetBaseURL(StringSplit(a_URL, "/"));
@@ -528,7 +653,7 @@ void cWebAdmin::OnRequestFinished(cHTTPConnection & a_Connection, cHTTPRequest &
 	}
 	else
 	{
-		// TODO: Handle other requests
+		HandleFileRequest(a_Connection, a_Request);
 	}
 
 	// Delete any request data assigned to the request:
@@ -551,4 +676,3 @@ void cWebAdmin::cWebadminRequestData::OnBody(const char * a_Data, size_t a_Size)
 
 
 
-
diff --git a/src/WebAdmin.h b/src/WebAdmin.h
index aefc1d145..94b95dbcf 100644
--- a/src/WebAdmin.h
+++ b/src/WebAdmin.h
@@ -116,6 +116,9 @@ public:
 	/** Stops the HTTP server, if it was started. */
 	void Stop(void);
 
+	/** Loads the login template. Returns true if the loading succeeds, false if not. */
+	bool LoadLoginTemplate(void);
+
 	void AddPlugin(cWebPlugin * a_Plugin);
 	void RemovePlugin(cWebPlugin * a_Plugin);
 
@@ -146,6 +149,9 @@ public:
 	/** Returns the prefix needed for making a link point to the webadmin root from the given URL ("../../../webadmin"-style) */
 	static AString GetBaseURL(const AStringVector & a_URLSplit);
 
+	/** Returns the content type from the file extension. If the extension isn't in the list, the function returns "text/html" */
+	static AString GetContentTypeFromFileExt(const AString & a_FileExtension);
+
 protected:
 	/** Common base class for request body data handlers */
 	class cRequestData
@@ -205,6 +211,9 @@ protected:
 	/** The Lua template script to provide templates: */
 	cLuaState m_TemplateScript;
 
+	/** The template that provides the login site: */
+	AString m_LoginTemplate;
+
 	/** The HTTP server which provides the underlying HTTP parsing, serialization and events */
 	cHTTPServer m_HTTPServer;
 
@@ -214,6 +223,9 @@ protected:
 	/** Handles requests for the root page */
 	void HandleRootRequest(cHTTPConnection & a_Connection, cHTTPRequest & a_Request);
 
+	/** Handles requests for a file */
+	void HandleFileRequest(cHTTPConnection & a_Connection, cHTTPRequest & a_Request);
+
 	// cHTTPServer::cCallbacks overrides:
 	virtual void OnRequestBegun   (cHTTPConnection & a_Connection, cHTTPRequest & a_Request) override;
 	virtual void OnRequestBody    (cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, size_t a_Size) override;
diff --git a/src/World.cpp b/src/World.cpp
index 99e09c658..fdc0aebad 100644
--- a/src/World.cpp
+++ b/src/World.cpp
@@ -442,7 +442,7 @@ void cWorld::InitializeSpawn(void)
 	{
 		for (int z = 0; z < ViewDist; z++)
 		{
-			m_ChunkMap->TouchChunk(x + ChunkX-(ViewDist - 1) / 2, ZERO_CHUNK_Y, z + ChunkZ-(ViewDist - 1) / 2);  // Queue the chunk in the generator / loader
+			m_ChunkMap->TouchChunk(x + ChunkX-(ViewDist - 1) / 2, z + ChunkZ-(ViewDist - 1) / 2);  // Queue the chunk in the generator / loader
 		}
 	}
 	
@@ -757,6 +757,11 @@ void cWorld::InitialiseGeneratorDefaults(cIniFile & a_IniFile)
 			a_IniFile.GetValueSet("Generator", "BottomLavaHeight", "30");
 			break;
 		}
+		case dimNotSet:
+		{
+			ASSERT(!"Dimension not set");
+			break;
+		}
 	}
 }
 
@@ -772,6 +777,7 @@ void cWorld::InitialiseAndLoadMobSpawningValues(cIniFile & a_IniFile)
 		case dimOverworld: DefaultMonsters = "bat, cavespider, chicken, cow, creeper, enderman, horse, mooshroom, ocelot, pig, sheep, silverfish, skeleton, slime, spider, squid, wolf, zombie"; break;
 		case dimNether:    DefaultMonsters = "blaze, ghast, magmacube, skeleton, zombie, zombiepigman"; break;
 		case dimEnd:       DefaultMonsters = "enderman"; break;
+		case dimNotSet:    ASSERT(!"Dimension not set"); break;
 	}
 	
 	m_bAnimals = a_IniFile.GetValueSetB("Monsters", "AnimalsOn", true);
@@ -876,7 +882,7 @@ void cWorld::Tick(float a_Dt, int a_LastTickDurationMSec)
 			m_TimeOfDaySecs -= 1200.0;
 		}
 
-		m_TimeOfDay = (Int64)(m_TimeOfDaySecs * 20.0);
+		m_TimeOfDay = static_cast<int>(m_TimeOfDaySecs * 20.0);
 
 		// Updates the sky darkness based on current time of day
 		UpdateSkyDarkness();
@@ -1130,7 +1136,7 @@ void cWorld::UpdateSkyDarkness(void)
 	}
 	else if (TempTime <= TIME_NIGHT_START)
 	{
-		m_SkyDarkness = (TIME_NIGHT_START - TempTime) / TIME_SPAWN_DIVISOR;
+		m_SkyDarkness = static_cast<NIBBLETYPE>((TIME_NIGHT_START - TempTime) / TIME_SPAWN_DIVISOR);
 	}
 	else if (TempTime <= TIME_NIGHT_END)
 	{
@@ -1138,7 +1144,7 @@ void cWorld::UpdateSkyDarkness(void)
 	}
 	else
 	{
-		m_SkyDarkness = (TIME_SUNRISE - TempTime) / TIME_SPAWN_DIVISOR;
+		m_SkyDarkness = static_cast<NIBBLETYPE>((TIME_SUNRISE - TempTime) / TIME_SPAWN_DIVISOR);
 	}
 }
 
@@ -1592,9 +1598,9 @@ bool cWorld::GrowRipePlant(int a_BlockX, int a_BlockY, int a_BlockZ, bool a_IsBy
 			MTRand r1;
 			for (int i = 0; i < 60; i++)
 			{
-				int OfsX = (r1.randInt(3) + r1.randInt(3) + r1.randInt(3) + r1.randInt(3)) / 2 - 3;
-				int OfsY = r1.randInt(3) + r1.randInt(3) - 3;
-				int OfsZ = (r1.randInt(3) + r1.randInt(3) + r1.randInt(3) + r1.randInt(3)) / 2 - 3;
+				int OfsX = static_cast<int>(r1.randInt(3) + r1.randInt(3) + r1.randInt(3) + r1.randInt(3)) / 2 - 3;
+				int OfsY = static_cast<int>(r1.randInt(3) + r1.randInt(3)) - 3;
+				int OfsZ = static_cast<int>(r1.randInt(3) + r1.randInt(3) + r1.randInt(3) + r1.randInt(3)) / 2 - 3;
 				BLOCKTYPE Ground = GetBlock(a_BlockX + OfsX, a_BlockY + OfsY, a_BlockZ + OfsZ);
 				if (Ground != E_BLOCK_GRASS)
 				{
@@ -2374,6 +2380,8 @@ void cWorld::MarkChunkSaved (int a_ChunkX, int a_ChunkZ)
 
 void cWorld::QueueSetChunkData(const cSetChunkDataPtr & a_SetChunkData)
 {
+	ASSERT(IsChunkQueued(a_SetChunkData->GetChunkX(), a_SetChunkData->GetChunkZ()));
+
 	// Validate biomes, if needed:
 	if (!a_SetChunkData->AreBiomesValid())
 	{
@@ -2424,7 +2432,7 @@ void cWorld::SetChunkData(cSetChunkData & a_SetChunkData)
 	// Save the chunk right after generating, so that we don't have to generate it again on next run
 	if (a_SetChunkData.ShouldMarkDirty())
 	{
-		m_Storage.QueueSaveChunk(ChunkX, 0, ChunkZ);
+		m_Storage.QueueSaveChunk(ChunkX, ChunkZ);
 	}
 }
 
@@ -2463,6 +2471,15 @@ bool cWorld::GetChunkBlockTypes(int a_ChunkX, int a_ChunkZ, BLOCKTYPE * a_BlockT
 
 
 
+bool cWorld::IsChunkQueued(int a_ChunkX, int a_ChunkZ) const
+{
+	return m_ChunkMap->IsChunkQueued(a_ChunkX, a_ChunkZ);
+}
+
+
+
+
+
 bool cWorld::IsChunkValid(int a_ChunkX, int a_ChunkZ) const
 {
 	return m_ChunkMap->IsChunkValid(a_ChunkX, a_ChunkZ);
@@ -2696,6 +2713,15 @@ bool cWorld::ForEachEntityInChunk(int a_ChunkX, int a_ChunkZ, cEntityCallback &
 
 
 
+bool cWorld::ForEachEntityInBox(const cBoundingBox & a_Box, cEntityCallback & a_Callback)
+{
+	return m_ChunkMap->ForEachEntityInBox(a_Box, a_Callback);
+}
+
+
+
+
+
 bool cWorld::DoWithEntityByID(int a_UniqueID, cEntityCallback & a_Callback)
 {
 	return m_ChunkMap->DoWithEntityByID(a_UniqueID, a_Callback);
@@ -2769,36 +2795,18 @@ void cWorld::RemoveClientFromChunkSender(cClientHandle * a_Client)
 
 
 
-void cWorld::TouchChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
-{
-	m_ChunkMap->TouchChunk(a_ChunkX, a_ChunkY, a_ChunkZ);
-}
-
-
-
-
-
-bool cWorld::LoadChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
-{
-	return m_ChunkMap->LoadChunk(a_ChunkX, a_ChunkY, a_ChunkZ);
-}
-
-
-
-	
-
-void cWorld::LoadChunks(const cChunkCoordsList & a_Chunks)
+void cWorld::TouchChunk(int a_ChunkX, int a_ChunkZ)
 {
-	m_ChunkMap->LoadChunks(a_Chunks);
+	m_ChunkMap->TouchChunk(a_ChunkX, a_ChunkZ);
 }
 
 
 
 
 
-void cWorld::ChunkLoadFailed(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+void cWorld::ChunkLoadFailed(int a_ChunkX, int a_ChunkZ)
 {
-	m_ChunkMap->ChunkLoadFailed(a_ChunkX, a_ChunkY, a_ChunkZ);
+	m_ChunkMap->ChunkLoadFailed(a_ChunkX, a_ChunkZ);
 }
 
 
@@ -2842,7 +2850,7 @@ bool cWorld::SetCommandBlockCommand(int a_BlockX, int a_BlockY, int a_BlockZ, co
 	{
 		AString m_Command;
 	public:
-		cUpdateCommandBlock(const AString & a_Command) : m_Command(a_Command) {}
+		cUpdateCommandBlock(const AString & a_CallbackCommand) : m_Command(a_CallbackCommand) {}
 			
 		virtual bool Item(cCommandBlockEntity * a_CommandBlock) override
 		{
@@ -2903,8 +2911,7 @@ void cWorld::RegenerateChunk(int a_ChunkX, int a_ChunkZ)
 {
 	m_ChunkMap->MarkChunkRegenerating(a_ChunkX, a_ChunkZ);
 	
-	// Trick: use Y=1 to force the chunk generation even though the chunk data is already present
-	m_Generator.QueueGenerateChunk(a_ChunkX, 1, a_ChunkZ);
+	m_Generator.QueueGenerateChunk(a_ChunkX, a_ChunkZ, true);
 }
 
 
@@ -2913,7 +2920,7 @@ void cWorld::RegenerateChunk(int a_ChunkX, int a_ChunkZ)
 
 void cWorld::GenerateChunk(int a_ChunkX, int a_ChunkZ)
 {
-	m_Generator.QueueGenerateChunk(a_ChunkX, ZERO_CHUNK_Y, a_ChunkZ);
+	m_Generator.QueueGenerateChunk(a_ChunkX, a_ChunkZ, false);
 }
 
 
@@ -3318,20 +3325,26 @@ cFluidSimulator * cWorld::InitializeFluidSimulator(cIniFile & a_IniFile, const c
 		int Falloff               = a_IniFile.GetValueSetI(SimulatorSectionName, "Falloff",               IsWater ? 1 : 2);
 		int TickDelay             = a_IniFile.GetValueSetI(SimulatorSectionName, "TickDelay",             IsWater ? 5 : 30);
 		int NumNeighborsForSource = a_IniFile.GetValueSetI(SimulatorSectionName, "NumNeighborsForSource", IsWater ? 2 : -1);
+		
+		if ((Falloff > 15) || (Falloff < 0))
+		{
+			LOGWARNING("Falloff for %s simulator is out of range, assuming default of %d", a_FluidName, IsWater ? 1 : 2);
+			Falloff = IsWater ? 1 : 2;
+		}
 
 		if (NoCaseCompare(SimulatorName, "floody") == 0)
 		{
-			res = new cFloodyFluidSimulator(*this, a_SimulateBlock, a_StationaryBlock, Falloff, TickDelay, NumNeighborsForSource);
+			res = new cFloodyFluidSimulator(*this, a_SimulateBlock, a_StationaryBlock, static_cast<NIBBLETYPE>(Falloff), TickDelay, NumNeighborsForSource);
 		}
 		else if (NoCaseCompare(SimulatorName, "vanilla") == 0)
 		{
-			res = new cVanillaFluidSimulator(*this, a_SimulateBlock, a_StationaryBlock, Falloff, TickDelay, NumNeighborsForSource);
+			res = new cVanillaFluidSimulator(*this, a_SimulateBlock, a_StationaryBlock, static_cast<NIBBLETYPE>(Falloff), TickDelay, NumNeighborsForSource);
 		}
 		else
 		{
 			// The simulator name doesn't match anything we have, issue a warning:
 			LOGWARNING("%s [Physics]:%s specifies an unknown simulator, using the default \"Vanilla\".", GetIniFileName().c_str(), SimulatorNameKey.c_str());
-			res = new cVanillaFluidSimulator(*this, a_SimulateBlock, a_StationaryBlock, Falloff, TickDelay, NumNeighborsForSource);
+			res = new cVanillaFluidSimulator(*this, a_SimulateBlock, a_StationaryBlock, static_cast<NIBBLETYPE>(Falloff), TickDelay, NumNeighborsForSource);
 		}
 	}
 	
@@ -3441,9 +3454,9 @@ void cWorld::cTaskSendBlockToAllPlayers::Run(cWorld & a_World)
 		public cPlayerListCallback
 	{
 	public:
-		cPlayerCallback(std::vector<Vector3i> & a_SendQueue, cWorld & a_World) :
+		cPlayerCallback(std::vector<Vector3i> & a_SendQueue, cWorld & a_CallbackWorld) :
 			m_SendQueue(a_SendQueue),
-			m_World(a_World)
+			m_World(a_CallbackWorld)
 		{
 		}
 
@@ -3512,6 +3525,15 @@ bool cWorld::cChunkGeneratorCallbacks::IsChunkValid(int a_ChunkX, int a_ChunkZ)
 
 
 
+bool cWorld::cChunkGeneratorCallbacks::IsChunkQueued(int a_ChunkX, int a_ChunkZ)
+{
+	return m_World->IsChunkQueued(a_ChunkX, a_ChunkZ);
+}
+
+
+
+
+
 bool cWorld::cChunkGeneratorCallbacks::HasChunkAnyClients(int a_ChunkX, int a_ChunkZ)
 {
 	return m_World->HasChunkAnyClients(a_ChunkX, a_ChunkZ);
diff --git a/src/World.h b/src/World.h
index 578c9682b..274bd2dcf 100644
--- a/src/World.h
+++ b/src/World.h
@@ -157,14 +157,14 @@ public:
 	}
 
 	virtual Int64 GetWorldAge (void) const override { return m_WorldAge; }
-	virtual Int64 GetTimeOfDay(void) const override { return m_TimeOfDay; }
+	virtual int GetTimeOfDay(void) const override { return m_TimeOfDay; }
 	
 	void SetTicksUntilWeatherChange(int a_WeatherInterval)
 	{
 		m_WeatherInterval = a_WeatherInterval;
 	}
 
-	virtual void SetTimeOfDay(Int64 a_TimeOfDay) override
+	virtual void SetTimeOfDay(int a_TimeOfDay) override
 	{
 		m_TimeOfDay = a_TimeOfDay;
 		m_TimeOfDaySecs = (double)a_TimeOfDay / 20.0;
@@ -279,7 +279,12 @@ public:
 	/** Gets the chunk's blocks, only the block types */
 	bool GetChunkBlockTypes(int a_ChunkX, int a_ChunkZ, BLOCKTYPE * a_BlockTypes);
 	
-	bool IsChunkValid      (int a_ChunkX, int a_ChunkZ) const;
+	/** Returns true iff the chunk is in the loader / generator queue. */
+	bool IsChunkQueued(int a_ChunkX, int a_ChunkZ) const;
+
+	/** Returns true iff the chunk is present and valid. */
+	bool IsChunkValid(int a_ChunkX, int a_ChunkZ) const;
+
 	bool HasChunkAnyClients(int a_ChunkX, int a_ChunkZ) const;
 	
 	/** Queues a task to unload unused chunks onto the tick thread. The prefferred way of unloading*/
@@ -324,6 +329,11 @@ public:
 	/** Calls the callback for each entity in the specified chunk; returns true if all entities processed, false if the callback aborted by returning true */
 	bool ForEachEntityInChunk(int a_ChunkX, int a_ChunkZ, cEntityCallback & a_Callback);  // Exported in ManualBindings.cpp
 
+	/** Calls the callback for each entity that has a nonempty intersection with the specified boundingbox.
+	Returns true if all entities processed, false if the callback aborted by returning true.
+	If any chunk in the box is missing, ignores the entities in that chunk silently. */
+	bool ForEachEntityInBox(const cBoundingBox & a_Box, cEntityCallback & a_Callback);  // Exported in ManualBindings.cpp
+
 	/** Calls the callback if the entity with the specified ID is found, with the entity object as the callback param. Returns true if entity found and callback returned false. */
 	bool DoWithEntityByID(int a_UniqueID, cEntityCallback & a_Callback);  // Exported in ManualBindings.cpp
 
@@ -351,16 +361,10 @@ public:
 	void RemoveClientFromChunkSender(cClientHandle * a_Client);
 	
 	/** Touches the chunk, causing it to be loaded or generated */
-	void TouchChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ);
-	
-	/** Loads the chunk, if not already loaded. Doesn't generate. Returns true if chunk valid (even if already loaded before) */
-	bool LoadChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ);
-	
-	/** Loads the chunks specified. Doesn't report failure, other than chunks being !IsValid() */
-	void LoadChunks(const cChunkCoordsList & a_Chunks);
+	void TouchChunk(int a_ChunkX, int a_ChunkZ);
 	
 	/** Marks the chunk as failed-to-load: */
-	void ChunkLoadFailed(int a_ChunkX, int a_ChunkY, int a_ChunkZ);
+	void ChunkLoadFailed(int a_ChunkX, int a_ChunkZ);
 	
 	/** Sets the sign text, asking plugins for permission first. a_Player is the player who this change belongs to, may be NULL. Returns true if sign text changed. Same as UpdateSign() */
 	bool SetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4, cPlayer * a_Player = NULL);  // Exported in ManualBindings.cpp
@@ -380,7 +384,7 @@ public:
 	/** Regenerate the given chunk: */
 	void RegenerateChunk(int a_ChunkX, int a_ChunkZ);  // tolua_export
 	
-	/** Generates the given chunk, if not already generated */
+	/** Generates the given chunk */
 	void GenerateChunk(int a_ChunkX, int a_ChunkZ);  // tolua_export
 	
 	/** Queues a chunk for lighting; a_Callback is called after the chunk is lighted */
@@ -817,6 +821,7 @@ private:
 		virtual void OnChunkGenerated  (cChunkDesc & a_ChunkDesc) override;
 		virtual bool IsChunkValid      (int a_ChunkX, int a_ChunkZ) override;
 		virtual bool HasChunkAnyClients(int a_ChunkX, int a_ChunkZ) override;
+		virtual bool IsChunkQueued     (int a_ChunkX, int a_ChunkZ) override;
 		
 		// cPluginInterface overrides:
 		virtual void CallHookChunkGenerating(cChunkDesc & a_ChunkDesc) override;
@@ -883,7 +888,7 @@ private:
 	double m_WorldAgeSecs;      // World age, in seconds. Is only incremented, cannot be set by plugins.
 	double m_TimeOfDaySecs;     // Time of day in seconds. Can be adjusted. Is wrapped to zero each day.
 	Int64  m_WorldAge;          // World age in ticks, calculated off of m_WorldAgeSecs
-	Int64  m_TimeOfDay;         // Time in ticks, calculated off of m_TimeOfDaySecs
+	int    m_TimeOfDay;         // Time in ticks, calculated off of m_TimeOfDaySecs
 	Int64  m_LastTimeUpdate;    // The tick in which the last time update has been sent.
 	Int64  m_LastUnload;        // The last WorldAge (in ticks) in which unloading was triggerred
 	Int64  m_LastSave;          // The last WorldAge (in ticks) in which save-all was triggerred
diff --git a/src/WorldStorage/ScoreboardSerializer.cpp b/src/WorldStorage/ScoreboardSerializer.cpp
index da8236e0d..e30eecf67 100644
--- a/src/WorldStorage/ScoreboardSerializer.cpp
+++ b/src/WorldStorage/ScoreboardSerializer.cpp
@@ -283,37 +283,37 @@ bool cScoreboardSerializer::LoadScoreboardFromNBT(const cParsedNBT & a_NBT)
 		bool AllowsFriendlyFire = true, CanSeeFriendlyInvisible = false;
 
 		int CurrLine = a_NBT.FindChildByName(Child, "Name");
-		if (CurrLine >= 0)
+		if ((CurrLine >= 0) && (a_NBT.GetType(CurrLine) == TAG_String))
 		{
-			Name = a_NBT.GetInt(CurrLine);
+			Name = a_NBT.GetString(CurrLine);
 		}
 
 		CurrLine = a_NBT.FindChildByName(Child, "DisplayName");
-		if (CurrLine >= 0)
+		if ((CurrLine >= 0) && (a_NBT.GetType(CurrLine) == TAG_String))
 		{
-			DisplayName = a_NBT.GetInt(CurrLine);
+			DisplayName = a_NBT.GetString(CurrLine);
 		}
 
 		CurrLine = a_NBT.FindChildByName(Child, "Prefix");
-		if (CurrLine >= 0)
+		if ((CurrLine >= 0) && (a_NBT.GetType(CurrLine) == TAG_String))
 		{
-			Prefix = a_NBT.GetInt(CurrLine);
+			Prefix = a_NBT.GetString(CurrLine);
 		}
 
 		CurrLine = a_NBT.FindChildByName(Child, "Suffix");
-		if (CurrLine >= 0)
+		if ((CurrLine >= 0) && (a_NBT.GetType(CurrLine) == TAG_String))
 		{
-			Suffix = a_NBT.GetInt(CurrLine);
+			Suffix = a_NBT.GetString(CurrLine);
 		}
 
 		CurrLine = a_NBT.FindChildByName(Child, "AllowFriendlyFire");
-		if (CurrLine >= 0)
+		if ((CurrLine >= 0) && (a_NBT.GetType(CurrLine) == TAG_Int))
 		{
 			AllowsFriendlyFire = (a_NBT.GetInt(CurrLine) != 0);
 		}
 
 		CurrLine = a_NBT.FindChildByName(Child, "SeeFriendlyInvisibles");
-		if (CurrLine >= 0)
+		if ((CurrLine >= 0) && (a_NBT.GetType(CurrLine) == TAG_Int))
 		{
 			CanSeeFriendlyInvisible = (a_NBT.GetInt(CurrLine) != 0);
 		}
diff --git a/src/WorldStorage/WSSAnvil.cpp b/src/WorldStorage/WSSAnvil.cpp
index e79cc291d..fe309ce4e 100644
--- a/src/WorldStorage/WSSAnvil.cpp
+++ b/src/WorldStorage/WSSAnvil.cpp
@@ -66,8 +66,17 @@ Since only the header is actually in the memory, this number can be high, but st
 */
 #define MAX_MCA_FILES 32
 
-/// The maximum size of an inflated chunk; raw chunk data is 192 KiB, allow 64 KiB more of entities
-#define CHUNK_INFLATE_MAX 256 KiB
+#define LOAD_FAILED(CHX, CHZ) \
+	{ \
+		const int RegionX = FAST_FLOOR_DIV(CHX, 32); \
+		const int RegionZ = FAST_FLOOR_DIV(CHZ, 32); \
+		LOGERROR("%s (%d): Loading chunk [%d, %d] from file r.%d.%d.mca failed. " \
+			"The server will now abort in order to avoid further data loss. " \
+			"Please add the reported file and this message to the issue report.", \
+			__FUNCTION__, __LINE__, CHX, CHZ, RegionX, RegionZ \
+		); \
+		*((volatile int *)0) = 0;  /* Crash intentionally */ \
+	}
 
 
 
@@ -248,29 +257,22 @@ cWSSAnvil::cMCAFile * cWSSAnvil::LoadMCAFile(const cChunkCoords & a_Chunk)
 
 bool cWSSAnvil::LoadChunkFromData(const cChunkCoords & a_Chunk, const AString & a_Data)
 {
-	// Decompress the data:
-	char Uncompressed[CHUNK_INFLATE_MAX];
-	z_stream strm;
-	strm.zalloc = (alloc_func)NULL;
-	strm.zfree = (free_func)NULL;
-	strm.opaque = NULL;
-	inflateInit(&strm);
-	strm.next_out  = (Bytef *)Uncompressed;
-	strm.avail_out = sizeof(Uncompressed);
-	strm.next_in   = (Bytef *)a_Data.data();
-	strm.avail_in  = (uInt)a_Data.size();
-	int res = inflate(&strm, Z_FINISH);
-	inflateEnd(&strm);
-	if (res != Z_STREAM_END)
+	// Uncompress the data:
+	AString Uncompressed;
+	int res = InflateString(a_Data.data(), a_Data.size(), Uncompressed);
+	if (res != Z_OK)
 	{
+		LOGWARNING("Uncompressing chunk [%d, %d] failed: %d", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, res);
+		LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
 		return false;
 	}
 	
 	// Parse the NBT data:
-	cParsedNBT NBT(Uncompressed, strm.total_out);
+	cParsedNBT NBT(Uncompressed.data(), Uncompressed.size());
 	if (!NBT.IsValid())
 	{
 		// NBT Parsing failed
+		LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
 		return false;
 	}
 
@@ -317,11 +319,19 @@ bool cWSSAnvil::LoadChunkFromNBT(const cChunkCoords & a_Chunk, const cParsedNBT
 	int Level = a_NBT.FindChildByName(0, "Level");
 	if (Level < 0)
 	{
+		LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
 		return false;
 	}
 	int Sections = a_NBT.FindChildByName(Level, "Sections");
-	if ((Sections < 0) || (a_NBT.GetType(Sections) != TAG_List) || (a_NBT.GetChildrenType(Sections) != TAG_Compound))
+	if ((Sections < 0) || (a_NBT.GetType(Sections) != TAG_List))
+	{
+		LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
+		return false;
+	}
+	eTagType SectionsType = a_NBT.GetChildrenType(Sections);
+	if ((SectionsType != TAG_Compound) && (SectionsType != TAG_End))
 	{
+		LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
 		return false;
 	}
 	for (int Child = a_NBT.GetFirstChild(Sections); Child >= 0; Child = a_NBT.GetNextSibling(Child))
@@ -585,7 +595,7 @@ void cWSSAnvil::LoadBlockEntitiesFromNBT(cBlockEntityList & a_BlockEntities, con
 
 		// Get the BlockEntity's position
 		int x, y, z;
-		if (!GetBlockEntityNBTPos(a_NBT, Child, x, y, z))
+		if (!GetBlockEntityNBTPos(a_NBT, Child, x, y, z) || (y < 0) || (y >= cChunkDef::Height))
 		{
 			LOGWARNING("Bad block entity, missing the coords. Will be ignored.");
 			continue;
@@ -613,6 +623,8 @@ void cWSSAnvil::LoadBlockEntitiesFromNBT(cBlockEntityList & a_BlockEntities, con
 
 cBlockEntity * cWSSAnvil::LoadBlockEntityFromNBT(const cParsedNBT & a_NBT, int a_Tag, int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
 {
+	ASSERT((a_BlockY >= 0) && (a_BlockY < cChunkDef::Height));
+
 	// Load the specific BlockEntity type:
 	switch (a_BlockType)
 	{
@@ -2811,30 +2823,42 @@ bool cWSSAnvil::cMCAFile::GetChunkData(const cChunkCoords & a_Chunk, AString & a
 	}
 	unsigned ChunkLocation = ntohl(m_Header[LocalX + 32 * LocalZ]);
 	unsigned ChunkOffset = ChunkLocation >> 8;
+	if (ChunkOffset < 2)
+	{
+		return false;
+	}
 	
 	m_File.Seek((int)ChunkOffset * 4096);
 	
 	int ChunkSize = 0;
 	if (m_File.Read(&ChunkSize, 4) != 4)
 	{
+		LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
 		return false;
 	}
 	ChunkSize = ntohl((u_long)ChunkSize);
 	char CompressionType = 0;
 	if (m_File.Read(&CompressionType, 1) != 1)
 	{
+		LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
 		return false;
 	}
 	if (CompressionType != 2)
 	{
 		// Chunk is in an unknown compression
+		LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
 		return false;
 	}
 	ChunkSize--;
 	
 	// HACK: This depends on the internal knowledge that AString's data() function returns the internal buffer directly
 	a_Data.assign(ChunkSize, '\0');
-	return (m_File.Read((void *)a_Data.data(), ChunkSize) == ChunkSize);
+	if (m_File.Read((void *)a_Data.data(), ChunkSize) == ChunkSize)
+	{
+		return true;
+	}
+	LOAD_FAILED(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
+	return false;
 }
 
 
@@ -2889,7 +2913,13 @@ bool cWSSAnvil::cMCAFile::SetChunkData(const cChunkCoords & a_Chunk, const AStri
 	
 	// Store the header:
 	ChunkSize = ((u_long)a_Data.size() + MCA_CHUNK_HEADER_LENGTH + 4095) / 4096;  // Round data size *up* to nearest 4KB sector, make it a sector number
-	ASSERT(ChunkSize < 256);
+	if (ChunkSize > 255)
+	{
+		LOGWARNING("Cannot save chunk [%d, %d], the data is too large (%u KiB, maximum is 1024 KiB). Remove some entities and retry.",
+			a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, (unsigned)(ChunkSize * 4)
+		);
+		return false;
+	}
 	m_Header[LocalX + 32 * LocalZ] = htonl((ChunkSector << 8) | ChunkSize);
 	if (m_File.Seek(0) < 0)
 	{
diff --git a/src/WorldStorage/WSSCompact.cpp b/src/WorldStorage/WSSCompact.cpp
index 58f9e3cab..6760186b2 100644
--- a/src/WorldStorage/WSSCompact.cpp
+++ b/src/WorldStorage/WSSCompact.cpp
@@ -980,7 +980,7 @@ bool cWSSCompact::cPAKFile::SaveChunkToData(const cChunkCoords & a_Chunk, cWorld
 	if (!a_World->GetChunkData(a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ, Serializer))
 	{
 		// Chunk not valid
-		LOG("cWSSCompact: Trying to save chunk [%d, %d, %d] that has no data, ignoring request.", a_Chunk.m_ChunkX, a_Chunk.m_ChunkY, a_Chunk.m_ChunkZ);
+		LOG("cWSSCompact: Trying to save chunk [%d, %d] that has no data, ignoring request.", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
 		return false;
 	}
 
@@ -999,7 +999,7 @@ bool cWSSCompact::cPAKFile::SaveChunkToData(const cChunkCoords & a_Chunk, cWorld
 	int errorcode = CompressString(Data.data(), Data.size(), CompressedData, m_CompressionFactor);
 	if (errorcode != Z_OK)
 	{
-		LOGERROR("Error %i compressing data for chunk [%d, %d, %d]", errorcode, a_Chunk.m_ChunkX, a_Chunk.m_ChunkY, a_Chunk.m_ChunkZ);
+		LOGERROR("Error %i compressing data for chunk [%d, %d]", errorcode, a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
 		return false;
 	}
 	
@@ -1010,7 +1010,7 @@ bool cWSSCompact::cPAKFile::SaveChunkToData(const cChunkCoords & a_Chunk, cWorld
 	sChunkHeader * Header = new sChunkHeader;
 	if (Header == NULL)
 	{
-		LOGWARNING("Cannot create a new chunk header to save chunk [%d, %d, %d]", a_Chunk.m_ChunkX, a_Chunk.m_ChunkY, a_Chunk.m_ChunkZ);
+		LOGWARNING("Cannot create a new chunk header to save chunk [%d, %d]", a_Chunk.m_ChunkX, a_Chunk.m_ChunkZ);
 		return false;
 	}
 	Header->m_CompressedSize = (int)CompressedData.size();
diff --git a/src/WorldStorage/WorldStorage.cpp b/src/WorldStorage/WorldStorage.cpp
index 707e8f929..179cf9393 100644
--- a/src/WorldStorage/WorldStorage.cpp
+++ b/src/WorldStorage/WorldStorage.cpp
@@ -141,9 +141,11 @@ size_t cWorldStorage::GetSaveQueueLength(void)
 
 
 
-void cWorldStorage::QueueLoadChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, bool a_Generate)
+void cWorldStorage::QueueLoadChunk(int a_ChunkX, int a_ChunkZ)
 {
-	m_LoadQueue.EnqueueItem(sChunkLoad(a_ChunkX, a_ChunkY, a_ChunkZ, a_Generate));
+	ASSERT(m_World->IsChunkQueued(a_ChunkX, a_ChunkZ));
+
+	m_LoadQueue.EnqueueItem(cChunkCoords(a_ChunkX, a_ChunkZ));
 	m_Event.Set();
 }
 
@@ -151,9 +153,11 @@ void cWorldStorage::QueueLoadChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, boo
 
 
 
-void cWorldStorage::QueueSaveChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+void cWorldStorage::QueueSaveChunk(int a_ChunkX, int a_ChunkZ)
 {
-	m_SaveQueue.EnqueueItemIfNotPresent(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ));
+	ASSERT(m_World->IsChunkValid(a_ChunkX, a_ChunkZ));
+
+	m_SaveQueue.EnqueueItemIfNotPresent(cChunkCoords(a_ChunkX, a_ChunkZ));
 	m_Event.Set();
 }
 
@@ -161,9 +165,9 @@ void cWorldStorage::QueueSaveChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
 
 
 
-void cWorldStorage::UnqueueLoad(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+void cWorldStorage::UnqueueLoad(int a_ChunkX, int a_ChunkZ)
 {
-	m_LoadQueue.Remove(sChunkLoad(a_ChunkX, a_ChunkY, a_ChunkZ, true));
+	m_LoadQueue.Remove(cChunkCoords(a_ChunkX, a_ChunkZ));
 }
 
 
@@ -242,22 +246,14 @@ void cWorldStorage::Execute(void)
 
 bool cWorldStorage::LoadOneChunk(void)
 {
-	sChunkLoad ToLoad(0, 0, 0, false);
+	cChunkCoords ToLoad(0, 0);
 	bool ShouldLoad = m_LoadQueue.TryDequeueItem(ToLoad);
-	if (ShouldLoad && !LoadChunk(ToLoad.m_ChunkX, ToLoad.m_ChunkY, ToLoad.m_ChunkZ))
+
+	if (ShouldLoad)
 	{
-		if (ToLoad.m_Generate)
-		{
-			// The chunk couldn't be loaded, generate it:
-			m_World->GetGenerator().QueueGenerateChunk(ToLoad.m_ChunkX, ToLoad.m_ChunkY, ToLoad.m_ChunkZ);
-		}
-		else
-		{
-			// TODO: Notify the world that the load has failed:
-			// m_World->ChunkLoadFailed(ToLoad.m_ChunkX, ToLoad.m_ChunkY, ToLoad.m_ChunkZ);
-		}
+		return LoadChunk(ToLoad.m_ChunkX, ToLoad.m_ChunkZ);
 	}
-	return ShouldLoad;
+	return false;
 }
 
 
@@ -266,7 +262,7 @@ bool cWorldStorage::LoadOneChunk(void)
 
 bool cWorldStorage::SaveOneChunk(void)
 {
-	cChunkCoords ToSave(0, 0, 0);
+	cChunkCoords ToSave(0, 0);
 	bool ShouldSave = m_SaveQueue.TryDequeueItem(ToSave);
 	if (ShouldSave && m_World->IsChunkValid(ToSave.m_ChunkX, ToSave.m_ChunkZ))
 	{
@@ -283,15 +279,11 @@ bool cWorldStorage::SaveOneChunk(void)
 
 
 
-bool cWorldStorage::LoadChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
+bool cWorldStorage::LoadChunk(int a_ChunkX, int a_ChunkZ)
 {
-	if (m_World->IsChunkValid(a_ChunkX, a_ChunkZ))
-	{
-		// Already loaded (can happen, since the queue is async)
-		return true;
-	}
+	ASSERT(m_World->IsChunkQueued(a_ChunkX, a_ChunkZ));
 	
-	cChunkCoords Coords(a_ChunkX, a_ChunkY, a_ChunkZ);
+	cChunkCoords Coords(a_ChunkX, a_ChunkZ);
 
 	// First try the schema that is used for saving
 	if (m_SaveSchema->LoadChunk(Coords))
@@ -309,7 +301,7 @@ bool cWorldStorage::LoadChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
 	}
 	
 	// Notify the chunk owner that the chunk failed to load (sets cChunk::m_HasLoadFailed to true):
-	m_World->ChunkLoadFailed(a_ChunkX, a_ChunkY, a_ChunkZ);
+	m_World->ChunkLoadFailed(a_ChunkX, a_ChunkZ);
 	
 	return false;
 }
diff --git a/src/WorldStorage/WorldStorage.h b/src/WorldStorage/WorldStorage.h
index dd07ecb64..fc7e9f84c 100644
--- a/src/WorldStorage/WorldStorage.h
+++ b/src/WorldStorage/WorldStorage.h
@@ -64,13 +64,10 @@ public:
 	cWorldStorage(void);
 	~cWorldStorage();
 	
-	void QueueLoadChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, bool a_Generate);  // Queues the chunk for loading; if not loaded, the chunk will be generated if a_Generate is true
-	void QueueSaveChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ);
+	void QueueLoadChunk(int a_ChunkX, int a_ChunkZ);
+	void QueueSaveChunk(int a_ChunkX, int a_ChunkZ);
 	
-	/// Loads the chunk specified; returns true on success, false on failure
-	bool LoadChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ);
-
-	void UnqueueLoad(int a_ChunkX, int a_ChunkY, int a_ChunkZ);
+	void UnqueueLoad(int a_ChunkX, int a_ChunkZ);
 	void UnqueueSave(const cChunkCoords & a_Chunk);
 	
 	bool Start(cWorld * a_World, const AString & a_StorageSchemaName, int a_StorageCompressionFactor);  // Hide the cIsThread's Start() method, we need to provide args
@@ -84,40 +81,10 @@ public:
 	
 protected:
 
-	struct sChunkLoad
-	{
-		int m_ChunkX;
-		int m_ChunkY;
-		int m_ChunkZ;
-		bool m_Generate;  // If true, the chunk will be generated if it cannot be loaded
-		
-		sChunkLoad(int a_ChunkX, int a_ChunkY, int a_ChunkZ, bool a_Generate) : m_ChunkX(a_ChunkX), m_ChunkY(a_ChunkY), m_ChunkZ(a_ChunkZ), m_Generate(a_Generate) {}
-
-		bool operator ==(const sChunkLoad other) const
-		{
-			return (
-				(this->m_ChunkX == other.m_ChunkX) &&
-				(this->m_ChunkY == other.m_ChunkY) &&
-				(this->m_ChunkZ == other.m_ChunkZ)
-			);
-		}
-	} ;
-
-	struct FuncTable
-	{
-		static void Delete(sChunkLoad) {}
-		static void Combine(sChunkLoad & a_orig, const sChunkLoad a_new)
-		{
-			a_orig.m_Generate |= a_new.m_Generate;
-		}
-	};
-
-	typedef cQueue<sChunkLoad, FuncTable> sChunkLoadQueue;
-	
 	cWorld * m_World;
 	AString  m_StorageSchemaName;
 
-	sChunkLoadQueue  m_LoadQueue;
+	cChunkCoordsQueue  m_LoadQueue;
 	cChunkCoordsQueue m_SaveQueue;
 	
 	/// All the storage schemas (all used for loading)
@@ -125,7 +92,11 @@ protected:
 	
 	/// The one storage schema used for saving
 	cWSSchema *   m_SaveSchema;
+
 	
+	/// Loads the chunk specified; returns true on success, false on failure
+	bool LoadChunk(int a_ChunkX, int a_ChunkZ);
+
 	void InitSchemas(int a_StorageCompressionFactor);
 	
 	virtual void Execute(void) override;
author	Howaner <franzi.moos@googlemail.com>	2014-09-12 19:13:46 +0200
committer	Howaner <franzi.moos@googlemail.com>	2014-09-12 19:13:46 +0200
commit	1223a24d3c87832c08545e6f3e8e4c51ff1e7e3f (patch)
tree	f7cf72e49a7ca60d10af12ad9ff70910e089b028 /src
parent	Renamed SetWalkSpeed() to SetRelativeWalkSpeed() (diff)
parent	Fixed iron ore drop. (diff)
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