10 files changed, 108 insertions, 25 deletions

diff --git a/MCServer/Plugins/APIDump/APIDesc.lua b/MCServer/Plugins/APIDump/APIDesc.lua
index 5f1b11a4c..1e572492b 100644
--- a/MCServer/Plugins/APIDump/APIDesc.lua
+++ b/MCServer/Plugins/APIDump/APIDesc.lua
@@ -162,7 +162,7 @@ g_APIDesc =
 				RotateCW = { Params = "", Return = "", Notes = "Rotates the block area around the Y axis, clockwise (north -> east). Modifies blocks' metas (if present) to match." },
 				RotateCWNoMeta = { Params = "", Return = "", Notes = "Rotates the block area around the Y axis, clockwise (north -> east). Doesn't modify blocks' metas." },
 				SaveToSchematicFile = { Params = "FileName", Return = "", Notes = "Saves the current contents to a schematic file. Returns true if successful." },
-				SaveToSchematicString = { Params = "", Return = "string", Notes = "Saves the current contents to a string (in a .schematic file format). Returns the data if successful, empty string if failed." },
+				SaveToSchematicString = { Params = "", Return = "string", Notes = "Saves the current contents to a string (in a .schematic file format). Returns the data if successful, nil if failed." },
 				SetBlockLight = { Params = "BlockX, BlockY, BlockZ, BlockLight", Return = "", Notes = "Sets the blocklight at the specified absolute coords" },
 				SetBlockMeta = { Params = "BlockX, BlockY, BlockZ, BlockMeta", Return = "", Notes = "Sets the block meta at the specified absolute coords" },
 				SetBlockSkyLight = { Params = "BlockX, BlockY, BlockZ, SkyLight", Return = "", Notes = "Sets the skylight at the specified absolute coords" },
diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp
index 05dc9717e..a5247bbe6 100644
--- a/src/Bindings/ManualBindings.cpp
+++ b/src/Bindings/ManualBindings.cpp
@@ -2563,9 +2563,13 @@ static int tolua_cBlockArea_SaveToSchematicString(lua_State * tolua_S)
 		return 0;
 	}
 	
-	AString Data = cSchematicFileSerializer::SaveToSchematicString(*self);
-	L.Push(Data);
-	return 1;
+	AString Data;
+	if (cSchematicFileSerializer::SaveToSchematicString(*self, Data))
+	{
+		L.Push(Data);
+		return 1;
+	}
+	return 0;
 }
 
 
diff --git a/src/BlockInfo.cpp b/src/BlockInfo.cpp
index 399efcd9b..20336a07c 100644
--- a/src/BlockInfo.cpp
+++ b/src/BlockInfo.cpp
@@ -271,6 +271,11 @@ void cBlockInfo::Initialize(void)
 	ms_Info[E_BLOCK_VINES               ].m_IsSnowable = false;
 	ms_Info[E_BLOCK_WALLSIGN            ].m_IsSnowable = false;
 	ms_Info[E_BLOCK_WATER               ].m_IsSnowable = false;
+	ms_Info[E_BLOCK_RAIL                ].m_IsSnowable = false;
+	ms_Info[E_BLOCK_ACTIVATOR_RAIL      ].m_IsSnowable = false;
+	ms_Info[E_BLOCK_POWERED_RAIL        ].m_IsSnowable = false;
+	ms_Info[E_BLOCK_DETECTOR_RAIL       ].m_IsSnowable = false;
+	ms_Info[E_BLOCK_COBWEB              ].m_IsSnowable = false;
 
 
 	// Blocks that don't drop without a special tool:
@@ -309,6 +314,10 @@ void cBlockInfo::Initialize(void)
 	ms_Info[E_BLOCK_STONE_PRESSURE_PLATE].m_RequiresSpecialTool = true;
 	ms_Info[E_BLOCK_STONE_SLAB          ].m_RequiresSpecialTool = true;
 	ms_Info[E_BLOCK_VINES               ].m_RequiresSpecialTool = true;
+	ms_Info[E_BLOCK_FURNACE             ].m_RequiresSpecialTool = true;
+	ms_Info[E_BLOCK_LIT_FURNACE         ].m_RequiresSpecialTool = true;
+	ms_Info[E_BLOCK_ANVIL               ].m_RequiresSpecialTool = true;
+	ms_Info[E_BLOCK_ENCHANTMENT_TABLE   ].m_RequiresSpecialTool = true;
 
 
 	// Nonsolid blocks:
diff --git a/src/Blocks/BlockHandler.cpp b/src/Blocks/BlockHandler.cpp
index c5165986c..aa97b2ca9 100644
--- a/src/Blocks/BlockHandler.cpp
+++ b/src/Blocks/BlockHandler.cpp
@@ -146,6 +146,7 @@ cBlockHandler * cBlockHandler::CreateBlockHandler(BLOCKTYPE a_BlockType)
 		case E_BLOCK_NETHER_BRICK_STAIRS:   return new cBlockStairsHandler          (a_BlockType);
 		case E_BLOCK_NETHER_PORTAL:         return new cBlockPortalHandler          (a_BlockType);
 		case E_BLOCK_NETHER_WART:           return new cBlockNetherWartHandler      (a_BlockType);
+		case E_BLOCK_NETHER_QUARTZ_ORE:     return new cBlockOreHandler             (a_BlockType);
 		case E_BLOCK_NEW_LEAVES:            return new cBlockNewLeavesHandler       (a_BlockType);
 		case E_BLOCK_NEW_LOG:               return new cBlockSidewaysHandler        (a_BlockType);
 		case E_BLOCK_NOTE_BLOCK:            return new cBlockNoteHandler            (a_BlockType);
diff --git a/src/Items/ItemPickaxe.h b/src/Items/ItemPickaxe.h
index bde7f0905..2a8e40daa 100644
--- a/src/Items/ItemPickaxe.h
+++ b/src/Items/ItemPickaxe.h
@@ -19,17 +19,13 @@ public:
 	{
 		switch(m_ItemType)
 		{
-		case E_ITEM_WOODEN_PICKAXE:
-		case E_ITEM_GOLD_PICKAXE:
-			return 1;
-		case E_ITEM_STONE_PICKAXE:
-			return 2;
-		case E_ITEM_IRON_PICKAXE:
-			return 3;
-		case E_ITEM_DIAMOND_PICKAXE:
-			return 4;
-		default:
-			return 0;
+			case E_ITEM_WOODEN_PICKAXE:  return 1;
+			case E_ITEM_GOLD_PICKAXE:    return 1;
+			case E_ITEM_STONE_PICKAXE:   return 2;
+			case E_ITEM_IRON_PICKAXE:    return 3;
+			case E_ITEM_DIAMOND_PICKAXE: return 4;
+
+			default: return 0;
 		}
 	}
 	
@@ -61,6 +57,10 @@ public:
 				return PickaxeLevel() >= 2;
 			}
 			
+			case E_BLOCK_ANVIL:
+			case E_BLOCK_ENCHANTMENT_TABLE:
+			case E_BLOCK_FURNACE:
+			case E_BLOCK_LIT_FURNACE:
 			case E_BLOCK_COAL_ORE:
 			case E_BLOCK_STONE:
 			case E_BLOCK_COBBLESTONE:
diff --git a/src/Simulator/FloodyFluidSimulator.cpp b/src/Simulator/FloodyFluidSimulator.cpp
index b1ac734d7..03e94e791 100644
--- a/src/Simulator/FloodyFluidSimulator.cpp
+++ b/src/Simulator/FloodyFluidSimulator.cpp
@@ -54,14 +54,23 @@ void cFloodyFluidSimulator::SimulateBlock(cChunk * a_Chunk, int a_RelX, int a_Re
 		a_Chunk->GetMeta(a_RelX, a_RelY, a_RelZ)
 	);
 	
-	NIBBLETYPE MyMeta = a_Chunk->GetMeta(a_RelX, a_RelY, a_RelZ);
-	if (!IsAnyFluidBlock(a_Chunk->GetBlock(a_RelX, a_RelY, a_RelZ)))
+	BLOCKTYPE MyBlock; NIBBLETYPE MyMeta;
+	a_Chunk->GetBlockTypeMeta(a_RelX, a_RelY, a_RelZ, MyBlock, MyMeta);
+
+	if (!IsAnyFluidBlock(MyBlock))
 	{
 		// Can happen - if a block is scheduled for simulating and gets replaced in the meantime.
 		FLOG("  BadBlockType exit");
 		return;
 	}
 
+	// When in contact with water, lava should harden
+	if (HardenBlock(a_Chunk, a_RelX, a_RelY, a_RelZ, MyBlock, MyMeta))
+	{
+		// Block was changed, bail out
+		return;
+	}
+
 	if (MyMeta != 0)
 	{
 		// Source blocks aren't checked for tributaries, others are.
@@ -309,6 +318,8 @@ void cFloodyFluidSimulator::SpreadToNeighbor(cChunk * a_NearChunk, int a_RelX, i
 		a_NewMeta
 	);
 	a_NearChunk->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ, m_FluidBlock, a_NewMeta);
+
+	HardenBlock(a_NearChunk, a_RelX, a_RelY, a_RelZ, m_FluidBlock, a_NewMeta);
 }
 
 
@@ -361,3 +372,56 @@ bool cFloodyFluidSimulator::CheckNeighborsForSource(cChunk * a_Chunk, int a_RelX
 
 
 
+
+bool cFloodyFluidSimulator::HardenBlock(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta)
+{
+	// Only lava blocks can harden
+	if (!IsBlockLava(a_BlockType))
+	{
+		return false;
+	}
+
+	bool ShouldHarden = false;
+
+	BLOCKTYPE BlockType;
+	NIBBLETYPE BlockMeta;
+	static const Vector3i Coords[] =
+	{
+		Vector3i( 1, 0,  0),
+		Vector3i(-1, 0,  0),
+		Vector3i( 0, 0,  1),
+		Vector3i( 0, 0, -1),
+	};
+	for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
+	{
+		if (!a_Chunk->UnboundedRelGetBlock(a_RelX + Coords[i].x, a_RelY, a_RelZ + Coords[i].z, BlockType, BlockMeta))
+		{
+			continue;
+		}
+		if (IsBlockWater(BlockType))
+		{
+			ShouldHarden = true;
+		}
+	}  // for i - Coords[]
+
+	if (ShouldHarden)
+	{
+		if (a_Meta == 0)
+		{
+			// Source lava block
+			a_Chunk->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_OBSIDIAN, 0);
+			return true;
+		}
+		// Ignore last lava level
+		else if (a_Meta <= 4)
+		{
+			a_Chunk->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_COBBLESTONE, 0);
+			return true;
+		}
+	}
+
+	return false;
+}
+
+
+
diff --git a/src/Simulator/FloodyFluidSimulator.h b/src/Simulator/FloodyFluidSimulator.h
index 5fd91b2b1..632de3bb2 100644
--- a/src/Simulator/FloodyFluidSimulator.h
+++ b/src/Simulator/FloodyFluidSimulator.h
@@ -47,6 +47,12 @@ protected:
 	/** Checks if there are enough neighbors to create a source at the coords specified; turns into source and returns true if so. */
 	bool CheckNeighborsForSource(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ);
 
+	/** Checks if the specified block should harden (Water/Lava interaction) and if so, converts it to a suitable block.
+	 *
+	 * Returns whether the block was changed or not.
+	 */
+	bool HardenBlock(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_Meta);
+
 	/** Spread water to neighbors.
 	 *
 	 * May be overridden to provide more sophisticated algorithms.
diff --git a/src/Simulator/VanillaFluidSimulator.cpp b/src/Simulator/VanillaFluidSimulator.cpp
index 5308d162b..78aff9d68 100644
--- a/src/Simulator/VanillaFluidSimulator.cpp
+++ b/src/Simulator/VanillaFluidSimulator.cpp
@@ -86,7 +86,7 @@ int cVanillaFluidSimulator::CalculateFlowCost(cChunk * a_Chunk, int a_RelX, int
 	{
 		return Cost;
 	}
-	if (!IsPassableForFluid(BlockType))
+	if (!IsPassableForFluid(BlockType) && !IsBlockLiquid(BlockType))
 	{
 		return Cost;
 	}
@@ -96,7 +96,7 @@ int cVanillaFluidSimulator::CalculateFlowCost(cChunk * a_Chunk, int a_RelX, int
 	{
 		return Cost;
 	}
-	if (IsPassableForFluid(BlockType))
+	if (IsPassableForFluid(BlockType) || IsBlockLiquid(BlockType))
 	{
 		// Path found, exit
 		return a_Iteration;
diff --git a/src/WorldStorage/SchematicFileSerializer.cpp b/src/WorldStorage/SchematicFileSerializer.cpp
index a6ae8d8e0..b021aeb0c 100644
--- a/src/WorldStorage/SchematicFileSerializer.cpp
+++ b/src/WorldStorage/SchematicFileSerializer.cpp
@@ -103,7 +103,7 @@ bool cSchematicFileSerializer::SaveToSchematicFile(const cBlockArea & a_BlockAre
 
 
 
-AString cSchematicFileSerializer::SaveToSchematicString(const cBlockArea & a_BlockArea)
+bool cSchematicFileSerializer::SaveToSchematicString(const cBlockArea & a_BlockArea, AString & a_Out)
 {
 	// Serialize into NBT data:
 	AString NBT = SaveToSchematicNBT(a_BlockArea);
@@ -114,14 +114,13 @@ AString cSchematicFileSerializer::SaveToSchematicString(const cBlockArea & a_Blo
 	}
 	
 	// Gzip the data:
-	AString Compressed;
-	int res = CompressStringGZIP(NBT.data(), NBT.size(), Compressed);
+	int res = CompressStringGZIP(NBT.data(), NBT.size(), a_Out);
 	if (res != Z_OK)
 	{
 		LOG("%s: Cannot Gzip the area data NBT representation: %d", __FUNCTION__, res);
 		return false;
 	}
-	return Compressed;
+	return true;
 }
 
 
diff --git a/src/WorldStorage/SchematicFileSerializer.h b/src/WorldStorage/SchematicFileSerializer.h
index f6ce1c16c..05b6c74f4 100644
--- a/src/WorldStorage/SchematicFileSerializer.h
+++ b/src/WorldStorage/SchematicFileSerializer.h
@@ -36,8 +36,8 @@ public:
 	static bool SaveToSchematicFile(const cBlockArea & a_BlockArea, const AString & a_FileName);
 	
 	/** Saves the area into a string containing the .schematic file data.
-	Returns the data, or empty string if failed. */
-	static AString SaveToSchematicString(const cBlockArea & a_BlockArea);
+	Returns true if successful, false on failure. The data is stored into a_Out. */
+	static bool SaveToSchematicString(const cBlockArea & a_BlockArea, AString & a_Out);
 	
 private:
 	/** Loads the area from a schematic file uncompressed and parsed into a NBT tree.