14 files changed, 56 insertions, 16 deletions

diff --git a/src/BlockArea.cpp b/src/BlockArea.cpp
index 1148908c6..dd8e0da31 100644
--- a/src/BlockArea.cpp
+++ b/src/BlockArea.cpp
@@ -28,6 +28,8 @@ template<typename Combinator> void InternalMergeBlocks(
 	Combinator a_Combinator
 )
 {
+	UNUSED(a_SrcSizeY);
+	UNUSED(a_DstSizeY);
 	for (int y = 0; y < a_SizeY; y++)
 	{
 		int SrcBaseY = (y + a_SrcOffY) * a_SrcSizeX * a_SrcSizeZ;
diff --git a/src/BlockTracer.h b/src/BlockTracer.h
index d0a34811d..40d80da1a 100644
--- a/src/BlockTracer.h
+++ b/src/BlockTracer.h
@@ -36,7 +36,14 @@ public:
 		/** Called on each block encountered along the path, including the first block (path start), if chunk data is not loaded
 		When this callback returns true, the tracing is aborted.
 		*/
-		virtual bool OnNextBlockNoData(int a_BlockX, int a_BlockY, int a_BlockZ, char a_EntryFace) { return false; }
+		virtual bool OnNextBlockNoData(int a_BlockX, int a_BlockY, int a_BlockZ, char a_EntryFace) 
+		{ 
+			UNUSED(a_BlockX);
+			UNUSED(a_BlockY);
+			UNUSED(a_BlockZ);
+			UNUSED(a_EntryFace);
+			return false; 
+		}
 		
 		/** Called when the path goes out of world, either below (a_BlockY < 0) or above (a_BlockY >= cChunkDef::Height)
 		The coords specify the exact point at which the path exited the world.
@@ -44,7 +51,13 @@ public:
 		Note that some paths can go out of the world and come back again (parabola),
 		in such a case this callback is followed by OnIntoWorld() and further OnNextBlock() calls
 		*/
-		virtual bool OnOutOfWorld(double a_BlockX, double a_BlockY, double a_BlockZ) { return false; }
+		virtual bool OnOutOfWorld(double a_BlockX, double a_BlockY, double a_BlockZ) 
+		{ 
+			UNUSED(a_BlockX);
+			UNUSED(a_BlockY);
+			UNUSED(a_BlockZ);
+			return false;
+		}
 		
 		/** Called when the path goes into the world, from either below (a_BlockY < 0) or above (a_BlockY >= cChunkDef::Height)
 		The coords specify the exact point at which the path entered the world.
@@ -52,7 +65,13 @@ public:
 		Note that some paths can go out of the world and come back again (parabola),
 		in such a case this callback is followed by further OnNextBlock() calls
 		*/
-		virtual bool OnIntoWorld(double a_BlockX, double a_BlockY, double a_BlockZ) { return false; }
+		virtual bool OnIntoWorld(double a_BlockX, double a_BlockY, double a_BlockZ) 
+		{ 
+			UNUSED(a_BlockX);
+			UNUSED(a_BlockY);
+			UNUSED(a_BlockZ);
+			return false; 
+		}
 		
 		/** Called when the path is sure not to hit any more blocks.
 		Note that for some shapes this might never happen (line with constant Y)
diff --git a/src/ByteBuffer.cpp b/src/ByteBuffer.cpp
index 64c03d0d3..e06f63a0e 100644
--- a/src/ByteBuffer.cpp
+++ b/src/ByteBuffer.cpp
@@ -773,7 +773,7 @@ void cByteBuffer::ReadAll(AString & a_Data)
 
 
 
-bool cByteBuffer::ReadToByteBuffer(cByteBuffer & a_Dst, int a_NumBytes)
+bool cByteBuffer::ReadToByteBuffer(cByteBuffer & a_Dst, size_t a_NumBytes)
 {
 	if (!a_Dst.CanWriteBytes(a_NumBytes) || !CanReadBytes(a_NumBytes))
 	{
@@ -781,9 +781,10 @@ bool cByteBuffer::ReadToByteBuffer(cByteBuffer & a_Dst, int a_NumBytes)
 		return false;
 	}
 	char buf[1024];
-	while (a_NumBytes > 0)
+	// > 0 without generating warnings about unsigned comparisons where size_t is unsigned
+	while (a_NumBytes != 0)
 	{
-		int num = (a_NumBytes > sizeof(buf)) ? sizeof(buf) : a_NumBytes;
+		size_t num = (a_NumBytes > sizeof(buf)) ? sizeof(buf) : a_NumBytes;
 		VERIFY(ReadBuf(buf, num));
 		VERIFY(a_Dst.Write(buf, num));
 		a_NumBytes -= num;
diff --git a/src/ByteBuffer.h b/src/ByteBuffer.h
index 06c846fa9..cbce119b1 100644
--- a/src/ByteBuffer.h
+++ b/src/ByteBuffer.h
@@ -110,7 +110,7 @@ public:
 	void ReadAll(AString & a_Data);
 	
 	/// Reads the specified number of bytes and writes it into the destinatio bytebuffer. Returns true on success.
-	bool ReadToByteBuffer(cByteBuffer & a_Dst, int a_NumBytes);
+	bool ReadToByteBuffer(cByteBuffer & a_Dst, size_t a_NumBytes);
 	
 	/// Removes the bytes that have been read from the ringbuffer
 	void CommitRead(void);
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp
index 99df47bfb..17412c265 100644
--- a/src/ClientHandle.cpp
+++ b/src/ClientHandle.cpp
@@ -1409,6 +1409,7 @@ void cClientHandle::SendData(const char * a_Data, int a_Size)
 
 void cClientHandle::MoveToWorld(cWorld & a_World, bool a_SendRespawnPacket)
 {
+	UNUSED(a_World);
 	ASSERT(m_Player != NULL);
 	
 	if (a_SendRespawnPacket)
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index 67d5a47ef..bc92790aa 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -908,8 +908,8 @@ bool cPlayer::IsGameModeSurvival(void) const
 
 bool cPlayer::IsGameModeAdventure(void) const
 {
-	return (m_GameMode == gmCreative) ||  // Either the player is explicitly in Adventure
-		((m_GameMode == gmNotSet) &&  m_World->IsGameModeCreative());  // or they inherit from the world and the world is Adventure
+	return (m_GameMode == gmAdventure) ||  // Either the player is explicitly in Adventure
+		((m_GameMode == gmNotSet) &&  m_World->IsGameModeAdventure());  // or they inherit from the world and the world is Adventure
 }
 
 
diff --git a/src/Inventory.cpp b/src/Inventory.cpp
index a9b4ab9c5..a7f77cf6d 100644
--- a/src/Inventory.cpp
+++ b/src/Inventory.cpp
@@ -57,6 +57,8 @@ int cInventory::HowManyCanFit(const cItem & a_ItemStack, bool a_ConsiderEmptySlo
 
 int cInventory::HowManyCanFit(const cItem & a_ItemStack, int a_BeginSlotNum, int a_EndSlotNum, bool a_ConsiderEmptySlots)
 {
+
+	UNUSED(a_ConsiderEmptySlots);
 	if ((a_BeginSlotNum < 0) || (a_BeginSlotNum >= invNumSlots))
 	{
 		LOGWARNING("%s: Bad BeginSlotNum, got %d, there are %d slots; correcting to 0.", __FUNCTION__, a_BeginSlotNum, invNumSlots - 1);
@@ -96,8 +98,6 @@ int cInventory::HowManyCanFit(const cItem & a_ItemStack, int a_BeginSlotNum, int
 
 
 
-
-
 int cInventory::AddItem(const cItem & a_Item, bool a_AllowNewStacks, bool a_tryToFillEquippedFirst)
 {
 	cItem ToAdd(a_Item);
diff --git a/src/LightingThread.cpp b/src/LightingThread.cpp
index d7e60e458..7c3cc9c76 100644
--- a/src/LightingThread.cpp
+++ b/src/LightingThread.cpp
@@ -189,7 +189,7 @@ void cLightingThread::ChunkReady(int a_ChunkX, int a_ChunkZ)
 		{
 			if (
 				(itr->x - a_ChunkX >= -1) && (itr->x - a_ChunkX <= 1) &&
-				(itr->x - a_ChunkX >= -1) && (itr->x - a_ChunkX <= 1)
+				(itr->z - a_ChunkZ >= -1) && (itr->z - a_ChunkZ <= 1)
 			)
 			{
 				// It is a neighbor
@@ -495,6 +495,7 @@ void cLightingThread::CalcLightStep(
 	int & a_NumSeedsOut, unsigned char * a_IsSeedOut, unsigned int * a_SeedIdxOut
 )
 {
+	UNUSED(a_IsSeedIn);
 	int NumSeedsOut = 0;
 	for (int i = 0; i < a_NumSeedsIn; i++)
 	{
diff --git a/src/LineBlockTracer.cpp b/src/LineBlockTracer.cpp
index 9fcbca915..110c6b5dc 100644
--- a/src/LineBlockTracer.cpp
+++ b/src/LineBlockTracer.cpp
@@ -196,7 +196,6 @@ bool cLineBlockTracer::Item(cChunk * a_Chunk)
 	ASSERT((m_CurrentY >= 0) && (m_CurrentY < cChunkDef::Height));  // This should be provided by FixStartAboveWorld() / FixStartBelowWorld()
 	
 	// This is the actual line tracing loop.
-	bool Finished = false;
 	while (true)
 	{
 		// Report the current block through the callbacks:
diff --git a/src/Server.cpp b/src/Server.cpp
index a93be9a5b..7dedc3904 100644
--- a/src/Server.cpp
+++ b/src/Server.cpp
@@ -173,6 +173,7 @@ void cServer::ClientMovedToWorld(const cClientHandle * a_Client)
 
 void cServer::PlayerCreated(const cPlayer * a_Player)
 {
+	UNUSED(a_Player);
 	// To avoid deadlocks, the player count is not handled directly, but rather posted onto the tick thread
 	cCSLock Lock(m_CSPlayerCountDiff);
 	m_PlayerCountDiff += 1;
@@ -184,6 +185,7 @@ void cServer::PlayerCreated(const cPlayer * a_Player)
 
 void cServer::PlayerDestroying(const cPlayer * a_Player)
 {
+	UNUSED(a_Player);
 	// To avoid deadlocks, the player count is not handled directly, but rather posted onto the tick thread
 	cCSLock Lock(m_CSPlayerCountDiff);
 	m_PlayerCountDiff -= 1;
@@ -514,6 +516,7 @@ void cServer::ExecuteConsoleCommand(const AString & a_Cmd, cCommandOutputCallbac
 
 void cServer::PrintHelp(const AStringVector & a_Split, cCommandOutputCallback & a_Output)
 {
+	UNUSED(a_Split);
 	typedef std::pair<AString, AString> AStringPair;
 	typedef std::vector<AStringPair> AStringPairs;
 	
@@ -525,6 +528,8 @@ void cServer::PrintHelp(const AStringVector & a_Split, cCommandOutputCallback &
 		
 		virtual bool Command(const AString & a_Command, const cPlugin * a_Plugin, const AString & a_Permission, const AString & a_HelpString) override
 		{
+		UNUSED(a_Plugin);
+		UNUSED(a_Permission);
 			if (!a_HelpString.empty())
 			{
 				m_Commands.push_back(AStringPair(a_Command, a_HelpString));
diff --git a/src/Simulator/NoopFluidSimulator.h b/src/Simulator/NoopFluidSimulator.h
index 8f894433f..9113aec3c 100644
--- a/src/Simulator/NoopFluidSimulator.h
+++ b/src/Simulator/NoopFluidSimulator.h
@@ -27,8 +27,14 @@ public:
 	}
 
 	// cSimulator overrides:
-	virtual void AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk) override {}
-	virtual void Simulate(float a_Dt) override {}
+	virtual void AddBlock(int a_BlockX, int a_BlockY, int a_BlockZ, cChunk * a_Chunk) override 
+	{
+		UNUSED(a_BlockX);
+		UNUSED(a_BlockY);
+		UNUSED(a_BlockZ);
+		UNUSED(a_Chunk);
+	}
+	virtual void Simulate(float a_Dt) override { UNUSED(a_Dt);}
 } ;
 
 
diff --git a/src/WebAdmin.cpp b/src/WebAdmin.cpp
index a1f0842aa..e6a5a01b3 100644
--- a/src/WebAdmin.cpp
+++ b/src/WebAdmin.cpp
@@ -305,6 +305,7 @@ 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>" \
@@ -450,6 +451,7 @@ AString cWebAdmin::GetBaseURL(const AStringVector & a_URLSplit)
 
 void cWebAdmin::OnRequestBegun(cHTTPConnection & a_Connection, cHTTPRequest & a_Request)
 {
+	UNUSED(a_Connection);
 	const AString & URL = a_Request.GetURL();
 	if (
 		(strncmp(URL.c_str(), "/webadmin", 9) == 0) ||
@@ -473,6 +475,7 @@ void cWebAdmin::OnRequestBegun(cHTTPConnection & a_Connection, cHTTPRequest & a_
 
 void cWebAdmin::OnRequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, int a_Size)
 {
+	UNUSED(a_Connection);
 	cRequestData * Data = (cRequestData *)(a_Request.GetUserData());
 	if (Data == NULL)
 	{
diff --git a/src/World.cpp b/src/World.cpp
index 28c46c27e..cc543d460 100644
--- a/src/World.cpp
+++ b/src/World.cpp
@@ -723,6 +723,7 @@ void cWorld::Tick(float a_Dt, int a_LastTickDurationMSec)
 
 void cWorld::TickWeather(float a_Dt)
 {
+	UNUSED(a_Dt);
 	// There are no weather changes anywhere but in the Overworld:
 	if (GetDimension() != dimOverworld)
 	{
@@ -794,7 +795,7 @@ void cWorld::TickMobs(float a_Dt)
 			cMonster::mfAmbient,
 			cMonster::mfWater,
 		} ;
-		for (int i = 0; i < ARRAYCOUNT(AllFamilies); i++)
+		for (size_t i = 0; i < ARRAYCOUNT(AllFamilies); i++)
 		{
 			cMonster::eFamily Family = AllFamilies[i];
 			int SpawnDelay = cMonster::GetSpawnDelay(Family);
@@ -1643,6 +1644,7 @@ int cWorld::SpawnExperienceOrb(double a_X, double a_Y, double a_Z, int a_Reward)
 
 void cWorld::SpawnPrimedTNT(double a_X, double a_Y, double a_Z, double a_FuseTimeInSec, double a_InitialVelocityCoeff)
 {
+	UNUSED(a_InitialVelocityCoeff);
 	cTNTEntity * TNT = new cTNTEntity(a_X, a_Y, a_Z, a_FuseTimeInSec);
 	TNT->Initialize(this);
 	// TODO: Add a bit of speed in horiz and vert axes, based on the a_InitialVelocityCoeff
diff --git a/src/World.h b/src/World.h
index c067252d9..67f1275c0 100644
--- a/src/World.h
+++ b/src/World.h
@@ -78,6 +78,7 @@ public:
 	class cTask
 	{
 	public:
+		virtual ~cTask(){};
 		virtual void Run(cWorld & a_World) = 0;
 	} ;