28 files changed, 66 insertions, 62 deletions

diff --git a/src/BlockEntities/HopperEntity.cpp b/src/BlockEntities/HopperEntity.cpp
index 21212a363..0aca3209f 100644
--- a/src/BlockEntities/HopperEntity.cpp
+++ b/src/BlockEntities/HopperEntity.cpp
@@ -290,7 +290,7 @@ bool cHopperEntity::MoveItemsFromChest(cChunk & a_Chunk)
 		{0, 1},
 		{0, -1},
 	} ;
-	for (int i = 0; i < ARRAYCOUNT(Coords); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
 	{
 		int x = m_RelX + Coords[i].x;
 		int z = m_RelZ + Coords[i].z;
@@ -447,7 +447,7 @@ bool cHopperEntity::MoveItemsToChest(cChunk & a_Chunk, int a_BlockX, int a_Block
 		{0, 1},
 		{0, -1},
 	} ;
-	for (int i = 0; i < ARRAYCOUNT(Coords); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
 	{
 		int x = m_RelX + Coords[i].x;
 		int z = m_RelZ + Coords[i].z;
diff --git a/src/BlockEntities/SignEntity.cpp b/src/BlockEntities/SignEntity.cpp
index df8774377..97fed0f04 100644
--- a/src/BlockEntities/SignEntity.cpp
+++ b/src/BlockEntities/SignEntity.cpp
@@ -45,7 +45,7 @@ void cSignEntity::SetLines(const AString & a_Line1, const AString & a_Line2, con
 
 void cSignEntity::SetLine(int a_Index, const AString & a_Line)
 {
-	if ((a_Index < 0) || (a_Index >= ARRAYCOUNT(m_Line)))
+	if ((a_Index < 0) || (a_Index >= (int)ARRAYCOUNT(m_Line)))
 	{
 		LOGWARNING("%s: setting a non-existent line %d (value \"%s\"", __FUNCTION__, a_Index, a_Line.c_str());
 		return;
@@ -59,7 +59,7 @@ void cSignEntity::SetLine(int a_Index, const AString & a_Line)
 
 AString cSignEntity::GetLine(int a_Index) const
 {
-	if ((a_Index < 0) || (a_Index >= ARRAYCOUNT(m_Line)))
+	if ((a_Index < 0) || (a_Index >= (int)ARRAYCOUNT(m_Line)))
 	{
 		LOGWARNING("%s: requesting a non-existent line %d", __FUNCTION__, a_Index);
 		return "";
diff --git a/src/BlockID.cpp b/src/BlockID.cpp
index 708618d25..2ca9dc49a 100644
--- a/src/BlockID.cpp
+++ b/src/BlockID.cpp
@@ -353,7 +353,7 @@ EMCSBiome StringToBiome(const AString & a_BiomeString)
 		{biMesaPlateauM,         "MesaPlateauM"},
 	} ;
 	
-	for (int i = 0; i < ARRAYCOUNT(BiomeMap); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(BiomeMap); i++)
 	{
 		if (NoCaseCompare(BiomeMap[i].m_String, a_BiomeString) == 0)
 		{
@@ -403,7 +403,7 @@ int StringToMobType(const AString & a_MobString)
 		{cMonster::mtIronGolem,    "IronGolem"}, 
 		{cMonster::mtVillager,     "Villager"},
 	};
-	for (int i = 0; i < ARRAYCOUNT(MobMap); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(MobMap); i++)
 	{
 		if (NoCaseCompare(MobMap[i].m_String, a_MobString) == 0)
 		{
@@ -442,7 +442,7 @@ eDimension StringToDimension(const AString & a_DimensionString)
 		{ dimEnd,       "End"},
 		{ dimEnd,       "Sky"},  // Old name for End
 	} ;
-	for (int i = 0; i < ARRAYCOUNT(DimensionMap); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(DimensionMap); i++)
 	{
 		if (NoCaseCompare(DimensionMap[i].m_String, a_DimensionString) == 0)
 		{
@@ -549,7 +549,7 @@ eDamageType StringToDamageType(const AString & a_DamageTypeString)
 		{ dtFireContact,   "dtInFire"},
 		{ dtAdmin,         "dtPlugin"},
 	} ;
-	for (int i = 0; i < ARRAYCOUNT(DamageTypeMap); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(DamageTypeMap); i++)
 	{
 		if (NoCaseCompare(DamageTypeMap[i].m_String, a_DamageTypeString) == 0)
 		{
@@ -594,14 +594,14 @@ public:
 		memset(g_BlockIsTorchPlaceable,    0x00, sizeof(g_BlockIsTorchPlaceable));
 		
 		// Setting bools to true must be done manually, see http://forum.mc-server.org/showthread.php?tid=629&pid=5415#pid5415
-		for (int i = 0; i < ARRAYCOUNT(g_BlockIsSnowable); i++)
+		for (size_t i = 0; i < ARRAYCOUNT(g_BlockIsSnowable); i++)
 		{
 			g_BlockIsSnowable[i] = true;
 		}
 		memset(g_BlockRequiresSpecialTool, 0x00, sizeof(g_BlockRequiresSpecialTool));  // Set all blocks to false
 		
 		// Setting bools to true must be done manually, see http://forum.mc-server.org/showthread.php?tid=629&pid=5415#pid5415
-		for (int i = 0; i < ARRAYCOUNT(g_BlockIsSolid); i++)
+		for (size_t i = 0; i < ARRAYCOUNT(g_BlockIsSolid); i++)
 		{
 			g_BlockIsSolid[i] = true;
 		}
diff --git a/src/Blocks/BlockCactus.h b/src/Blocks/BlockCactus.h
index 7a9088178..f77df5e42 100644
--- a/src/Blocks/BlockCactus.h
+++ b/src/Blocks/BlockCactus.h
@@ -48,7 +48,7 @@ public:
 			{ 0, -1},
 			{ 0,  1},
 		} ;
-		for (int i = 0; i < ARRAYCOUNT(Coords); i++)
+		for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
 		{
 			BLOCKTYPE BlockType;
 			NIBBLETYPE BlockMeta;
diff --git a/src/Blocks/BlockPortal.h b/src/Blocks/BlockPortal.h
index c56f0cbc8..d88d14fc9 100644
--- a/src/Blocks/BlockPortal.h
+++ b/src/Blocks/BlockPortal.h
@@ -61,7 +61,7 @@ public:
 					{-1, 0,  0},
 				} ;
 
-				for (int i = 0; i < ARRAYCOUNT(PortalCheck); i++)
+				for (size_t i = 0; i < ARRAYCOUNT(PortalCheck); i++)
 				{
 					BLOCKTYPE Block;
 					a_Chunk.UnboundedRelGetBlockType(a_RelX + PortalCheck[i].x, a_RelY + PortalCheck[i].y, a_RelZ + PortalCheck[i].z, Block);
@@ -86,7 +86,7 @@ public:
 					{ 0, 0,  1},
 				} ;
 
-				for (int i = 0; i < ARRAYCOUNT(PortalCheck); i++)
+				for (size_t i = 0; i < ARRAYCOUNT(PortalCheck); i++)
 				{
 					BLOCKTYPE Block;
 					a_Chunk.UnboundedRelGetBlockType(a_RelX + PortalCheck[i].x, a_RelY + PortalCheck[i].y, a_RelZ + PortalCheck[i].z, Block);
diff --git a/src/Blocks/BlockSugarcane.h b/src/Blocks/BlockSugarcane.h
index 02d7a2fe4..9cff94800 100644
--- a/src/Blocks/BlockSugarcane.h
+++ b/src/Blocks/BlockSugarcane.h
@@ -47,7 +47,7 @@ public:
 					{ 0,  1},
 				} ;
 				a_RelY -= 1;
-				for (int i = 0; i < ARRAYCOUNT(Coords); i++)
+				for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
 				{
 					BLOCKTYPE BlockType;
 					NIBBLETYPE BlockMeta;
diff --git a/src/Blocks/BlockVine.h b/src/Blocks/BlockVine.h
index 2c9f67cab..60aaa9e4b 100644
--- a/src/Blocks/BlockVine.h
+++ b/src/Blocks/BlockVine.h
@@ -89,7 +89,7 @@ public:
 			{ 1,  0, 8},  // east,  XP
 		} ;
 		int res = 0;
-		for (int i = 0; i < ARRAYCOUNT(Coords); i++)
+		for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
 		{
 			BLOCKTYPE  BlockType;
 			NIBBLETYPE BlockMeta;
diff --git a/src/BoundingBox.cpp b/src/BoundingBox.cpp
index 02602992e..d0943d42a 100644
--- a/src/BoundingBox.cpp
+++ b/src/BoundingBox.cpp
@@ -30,7 +30,7 @@ public:
 			Vector3d(1.999, 0, 1.5), Vector3d(1.999, 4, 1.5),  // Should intersect at 0.25, face 0 (YM)
 			Vector3d(2.001, 0, 1.5), Vector3d(2.001, 4, 1.5),  // Should not intersect
 		} ;
-		for (int i = 0; i < ARRAYCOUNT(LineDefs) / 2; i++)
+		for (size_t i = 0; i < ARRAYCOUNT(LineDefs) / 2; i++)
 		{
 			double LineCoeff;
 			char Face;
diff --git a/src/ChunkMap.cpp b/src/ChunkMap.cpp
index 53b595545..c67d8e2e8 100644
--- a/src/ChunkMap.cpp
+++ b/src/ChunkMap.cpp
@@ -2397,7 +2397,7 @@ cChunkMap::cChunkLayer::cChunkLayer(int a_LayerX, int a_LayerZ, cChunkMap * a_Pa
 
 cChunkMap::cChunkLayer::~cChunkLayer()
 {
-	for (int i = 0; i < ARRAYCOUNT(m_Chunks); ++i)
+	for (size_t i = 0; i < ARRAYCOUNT(m_Chunks); ++i)
 	{
 		delete m_Chunks[i];
 		m_Chunks[i] = NULL;  // // Must zero out, because further chunk deletions query the chunkmap for entities and that would touch deleted data
@@ -2457,7 +2457,7 @@ cChunk * cChunkMap::cChunkLayer::FindChunk(int a_ChunkX, int a_ChunkZ)
 
 void cChunkMap::cChunkLayer::CollectMobCensus(cMobCensus& a_ToFill)
 {
-	for (int i = 0; i < ARRAYCOUNT(m_Chunks); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(m_Chunks); i++)
 	{
 		// We do count every Mobs in the world. But we are assuming that every chunk not loaded by any client
 		// doesn't affect us. Normally they should not have mobs because every "too far" mobs despawn
@@ -2476,7 +2476,7 @@ void cChunkMap::cChunkLayer::CollectMobCensus(cMobCensus& a_ToFill)
 
 void cChunkMap::cChunkLayer::SpawnMobs(cMobSpawner& a_MobSpawner)
 {
-	for (int i = 0; i < ARRAYCOUNT(m_Chunks); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(m_Chunks); i++)
 	{
 		// We only spawn close to players
 		if ((m_Chunks[i] != NULL) && m_Chunks[i]->IsValid() && m_Chunks[i]->HasAnyClients())
@@ -2490,7 +2490,7 @@ void cChunkMap::cChunkLayer::SpawnMobs(cMobSpawner& a_MobSpawner)
 
 void cChunkMap::cChunkLayer::Tick(float a_Dt)
 {
-	for (int i = 0; i < ARRAYCOUNT(m_Chunks); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(m_Chunks); i++)
 	{
 		// Only tick chunks that are valid and have clients:
 		if ((m_Chunks[i] != NULL) && m_Chunks[i]->IsValid() && m_Chunks[i]->HasAnyClients())
@@ -2506,7 +2506,7 @@ void cChunkMap::cChunkLayer::Tick(float a_Dt)
 
 void cChunkMap::cChunkLayer::RemoveClient(cClientHandle * a_Client)
 {
-	for (int i = 0; i < ARRAYCOUNT(m_Chunks); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(m_Chunks); i++)
 	{
 		if (m_Chunks[i] != NULL)
 		{
@@ -2522,7 +2522,7 @@ void cChunkMap::cChunkLayer::RemoveClient(cClientHandle * a_Client)
 bool cChunkMap::cChunkLayer::ForEachEntity(cEntityCallback & a_Callback)
 {
 	// Calls the callback for each entity in the entire world; returns true if all entities processed, false if the callback aborted by returning true
-	for (int i = 0; i < ARRAYCOUNT(m_Chunks); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(m_Chunks); i++)
 	{
 		if ((m_Chunks[i] != NULL) && m_Chunks[i]->IsValid())
 		{
@@ -2542,7 +2542,7 @@ bool cChunkMap::cChunkLayer::ForEachEntity(cEntityCallback & a_Callback)
 bool cChunkMap::cChunkLayer::DoWithEntityByID(int a_EntityID, cEntityCallback & a_Callback, bool & a_CallbackReturn)
 {
 	// 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.
-	for (int i = 0; i < ARRAYCOUNT(m_Chunks); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(m_Chunks); i++)
 	{
 		if ((m_Chunks[i] != NULL) && m_Chunks[i]->IsValid())
 		{
@@ -2561,7 +2561,7 @@ bool cChunkMap::cChunkLayer::DoWithEntityByID(int a_EntityID, cEntityCallback &
 
 bool cChunkMap::cChunkLayer::HasEntity(int a_EntityID)
 {
-	for (int i = 0; i < ARRAYCOUNT(m_Chunks); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(m_Chunks); i++)
 	{
 		if ((m_Chunks[i] != NULL) && m_Chunks[i]->IsValid())
 		{
@@ -2581,7 +2581,7 @@ bool cChunkMap::cChunkLayer::HasEntity(int a_EntityID)
 int cChunkMap::cChunkLayer::GetNumChunksLoaded(void) const
 {
 	int NumChunks = 0;
-	for ( int i = 0; i < ARRAYCOUNT(m_Chunks); ++i )
+	for (size_t i = 0; i < ARRAYCOUNT(m_Chunks); ++i)
 	{
 		if (m_Chunks[i] != NULL)
 		{
@@ -2599,7 +2599,7 @@ void cChunkMap::cChunkLayer::GetChunkStats(int & a_NumChunksValid, int & a_NumCh
 {
 	int NumValid = 0;
 	int NumDirty = 0;
-	for ( int i = 0; i < ARRAYCOUNT(m_Chunks); ++i )
+	for (size_t i = 0; i < ARRAYCOUNT(m_Chunks); ++i)
 	{
 		if (m_Chunks[i] == NULL)
 		{
@@ -2622,7 +2622,7 @@ void cChunkMap::cChunkLayer::GetChunkStats(int & a_NumChunksValid, int & a_NumCh
 void cChunkMap::cChunkLayer::Save(void)
 {
 	cWorld * World = m_Parent->GetWorld();
-	for (int i = 0; i < ARRAYCOUNT(m_Chunks); ++i)
+	for (size_t i = 0; i < ARRAYCOUNT(m_Chunks); ++i)
 	{
 		if ((m_Chunks[i] != NULL) && m_Chunks[i]->IsValid() && m_Chunks[i]->IsDirty())
 		{
@@ -2637,7 +2637,7 @@ void cChunkMap::cChunkLayer::Save(void)
 
 void cChunkMap::cChunkLayer::UnloadUnusedChunks(void)
 {
-	for (int i = 0; i < ARRAYCOUNT(m_Chunks); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(m_Chunks); i++)
 	{
 		if (
 			(m_Chunks[i] != NULL) &&   // Is valid
diff --git a/src/ChunkSender.cpp b/src/ChunkSender.cpp
index 005cfe29d..7d1ef73a0 100644
--- a/src/ChunkSender.cpp
+++ b/src/ChunkSender.cpp
@@ -275,7 +275,7 @@ void cChunkSender::Entity(cEntity * a_Entity)
 
 void cChunkSender::BiomeData(const cChunkDef::BiomeMap * a_BiomeMap)
 {
-	for (int i = 0; i < ARRAYCOUNT(m_BiomeMap); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(m_BiomeMap); i++)
 	{
 		if ((*a_BiomeMap)[i] < 255)
 		{
diff --git a/src/Enchantments.cpp b/src/Enchantments.cpp
index 6b53d0b52..95ca201f0 100644
--- a/src/Enchantments.cpp
+++ b/src/Enchantments.cpp
@@ -181,7 +181,7 @@ int cEnchantments::StringToEnchantmentID(const AString & a_EnchantmentName)
 		{ enchLuckOfTheSea,         "LuckOfTheSea"},
 		{ enchLure,                 "Lure"},
 	} ;
-	for (int i = 0; i < ARRAYCOUNT(EnchantmentNames); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(EnchantmentNames); i++)
 	{
 		if (NoCaseCompare(EnchantmentNames[i].m_Name, a_EnchantmentName) == 0)
 		{
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index 7721d58b3..32ee7f2bd 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -574,7 +574,7 @@ void cEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 			} ;
 
 			bool IsNoAirSurrounding = true;
-			for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
+			for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
 			{
 				if (!NextChunk->UnboundedRelGetBlockType(RelBlockX + gCrossCoords[i].x, BlockY, RelBlockZ + gCrossCoords[i].z, GotBlock))
 				{
diff --git a/src/Generating/BioGen.cpp b/src/Generating/BioGen.cpp
index 98999dee9..f89b1800d 100644
--- a/src/Generating/BioGen.cpp
+++ b/src/Generating/BioGen.cpp
@@ -83,7 +83,7 @@ cBiomeGen * cBiomeGen::CreateBiomeGen(cIniFile & a_IniFile, int a_Seed, bool & a
 
 void cBioGenConstant::GenBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
 {
-	for (int i = 0; i < ARRAYCOUNT(a_BiomeMap); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(a_BiomeMap); i++)
 	{
 		a_BiomeMap[i] = m_Biome;
 	}
@@ -277,7 +277,7 @@ void cBiomeGenList::InitializeBiomes(const AString & a_Biomes)
 		biJungleHills,
 	} ;
 	m_Biomes.reserve(ARRAYCOUNT(Biomes));
-	for (int i = 0; i < ARRAYCOUNT(Biomes); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(Biomes); i++)
 	{
 		m_Biomes.push_back(Biomes[i]);
 	}
@@ -655,7 +655,7 @@ void cBioGenMultiStepMap::BuildTemperatureHumidityMaps(int a_ChunkX, int a_Chunk
 	LinearUpscale2DArrayInPlace(HumidityMap,    17, 17, 8, 8);
 	
 	// Re-map into integral values in [0 .. 255] range:
-	for (int idx = 0; idx < ARRAYCOUNT(a_TemperatureMap); idx++)
+	for (size_t idx = 0; idx < ARRAYCOUNT(a_TemperatureMap); idx++)
 	{
 		a_TemperatureMap[idx] = std::max(0, std::min(255, (int)(128 + TemperatureMap[idx] * 128)));
 		a_HumidityMap[idx]    = std::max(0, std::min(255, (int)(128 + HumidityMap[idx]    * 128)));
diff --git a/src/Generating/ChunkDesc.cpp b/src/Generating/ChunkDesc.cpp
index 6050430fd..af1a8a6c7 100644
--- a/src/Generating/ChunkDesc.cpp
+++ b/src/Generating/ChunkDesc.cpp
@@ -371,7 +371,7 @@ void cChunkDesc::ReadBlockArea(cBlockArea & a_Dest, int a_MinRelX, int a_MaxRelX
 HEIGHTTYPE cChunkDesc::GetMaxHeight(void) const
 {
 	HEIGHTTYPE MaxHeight = m_HeightMap[0];
-	for (unsigned int i = 1; i < ARRAYCOUNT(m_HeightMap); i++)
+	for (size_t i = 1; i < ARRAYCOUNT(m_HeightMap); i++)
 	{
 		if (m_HeightMap[i] > MaxHeight)
 		{
@@ -565,7 +565,7 @@ cBlockEntity * cChunkDesc::GetBlockEntity(int a_RelX, int a_RelY, int a_RelZ)
 void cChunkDesc::CompressBlockMetas(cChunkDef::BlockNibbles & a_DestMetas)
 {
 	const NIBBLETYPE * AreaMetas = m_BlockArea.GetBlockMetas();
-	for (unsigned int i = 0; i < ARRAYCOUNT(a_DestMetas); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(a_DestMetas); i++)
 	{
 		a_DestMetas[i] = AreaMetas[2 * i] | (AreaMetas[2 * i + 1] << 4);
 	}
diff --git a/src/Generating/DistortedHeightmap.cpp b/src/Generating/DistortedHeightmap.cpp
index c32a3bf43..342a4483f 100644
--- a/src/Generating/DistortedHeightmap.cpp
+++ b/src/Generating/DistortedHeightmap.cpp
@@ -612,7 +612,7 @@ void cDistortedHeightmap::GetDistortAmpsAt(BiomeNeighbors & a_Neighbors, int a_R
 	// For each biome type that has a nonzero count, calc its amps and add it:
 	NOISE_DATATYPE AmpX = 0;
 	NOISE_DATATYPE AmpZ = 0;
-	for (unsigned int i = 0; i < ARRAYCOUNT(BiomeCounts); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(BiomeCounts); i++)
 	{
 		if (BiomeCounts[i] <= 0)
 		{
diff --git a/src/Generating/EndGen.cpp b/src/Generating/EndGen.cpp
index 1fa0fa121..f466039b9 100644
--- a/src/Generating/EndGen.cpp
+++ b/src/Generating/EndGen.cpp
@@ -151,7 +151,7 @@ void cEndGen::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_
 {
 	if (IsChunkOutsideRange(a_ChunkX, a_ChunkZ))
 	{
-		for (unsigned int i = 0; i < ARRAYCOUNT(a_HeightMap); i++)
+		for (size_t i = 0; i < ARRAYCOUNT(a_HeightMap); i++)
 		{
 			a_HeightMap[i] = 0;
 		}
diff --git a/src/Generating/FinishGen.cpp b/src/Generating/FinishGen.cpp
index 8899e4bd0..866551e8a 100644
--- a/src/Generating/FinishGen.cpp
+++ b/src/Generating/FinishGen.cpp
@@ -271,7 +271,7 @@ void cFinishGenIce::GenFinish(cChunkDesc & a_ChunkDesc)
 int cFinishGenSingleBiomeSingleTopBlock::GetNumToGen(const cChunkDef::BiomeMap & a_BiomeMap)
 {
 	int res = 0;
-	for (int i = 0; i < ARRAYCOUNT(a_BiomeMap); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(a_BiomeMap); i++)
 	{
 		if (a_BiomeMap[i] == m_Biome)
 		{
@@ -469,7 +469,7 @@ void cFinishGenPreSimulator::StationarizeFluid(
 					{0, -1, 0}
 				} ;
 				BLOCKTYPE BlockToSet = a_StationaryFluid;  // By default, don't simulate this block
-				for (int i = 0; i < ARRAYCOUNT(Coords); i++)
+				for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
 				{
 					if ((y == 0) && (Coords[i].y < 0))
 					{
@@ -635,7 +635,7 @@ bool cFinishGenFluidSprings::TryPlaceSpring(cChunkDesc & a_ChunkDesc, int x, int
 		{ 0,  0,  1},
 	} ;
 	int NumAirNeighbors = 0;
-	for (int i = 0; i < ARRAYCOUNT(Coords); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
 	{
 		switch (a_ChunkDesc.GetBlockType(x + Coords[i].x, y + Coords[i].y, z + Coords[i].z))
 		{
diff --git a/src/Generating/HeiGen.cpp b/src/Generating/HeiGen.cpp
index ea6051371..2bf641089 100644
--- a/src/Generating/HeiGen.cpp
+++ b/src/Generating/HeiGen.cpp
@@ -18,7 +18,7 @@
 
 void cHeiGenFlat::GenHeightMap(int a_ChunkX, int a_ChunkZ, cChunkDef::HeightMap & a_HeightMap)
 {
-	for (int i = 0; i < ARRAYCOUNT(a_HeightMap); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(a_HeightMap); i++)
 	{
 		a_HeightMap[i] = m_Height;
 	}
@@ -421,7 +421,7 @@ NOISE_DATATYPE cHeiGenBiomal::GetHeightAt(int a_RelX, int a_RelZ, int a_ChunkX,
 		NOISE_DATATYPE Height = 0;
 		int BlockX = a_ChunkX * cChunkDef::Width + a_RelX;
 		int BlockZ = a_ChunkZ * cChunkDef::Width + a_RelZ;
-		for (int i = 0; i < ARRAYCOUNT(BiomeCounts); i++)
+		for (size_t i = 0; i < ARRAYCOUNT(BiomeCounts); i++)
 		{
 			if (BiomeCounts[i] == 0)
 			{
diff --git a/src/Generating/MineShafts.cpp b/src/Generating/MineShafts.cpp
index f42240e55..cc39cef7b 100644
--- a/src/Generating/MineShafts.cpp
+++ b/src/Generating/MineShafts.cpp
@@ -1035,7 +1035,7 @@ void cMineShaftCrossing::AppendBranches(int a_RecursionLevel, cNoise & a_Noise)
 		{ 5, 5,  2, dirXP},
 		{ 2, 5,  5, dirZP},
 	} ;
-	for (unsigned int i = 0; i < ARRAYCOUNT(Exits); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(Exits); i++)
 	{
 		if (m_BoundingBox.p1.y + Exits[i].y >= m_BoundingBox.p2.y)
 		{
diff --git a/src/Generating/Noise3DGenerator.cpp b/src/Generating/Noise3DGenerator.cpp
index 0c68957c0..2511bb656 100644
--- a/src/Generating/Noise3DGenerator.cpp
+++ b/src/Generating/Noise3DGenerator.cpp
@@ -30,7 +30,7 @@ public:
 	void DoTest1(void)
 	{
 		float In[3 * 3 * 3];
-		for (int i = 0; i < ARRAYCOUNT(In); i++)
+		for (size_t i = 0; i < ARRAYCOUNT(In); i++)
 		{
 			In[i] = (float)(i % 5);
 		}
@@ -44,7 +44,7 @@ public:
 	void DoTest2(void)
 	{
 		float In[3 * 3];
-		for (int i = 0; i < ARRAYCOUNT(In); i++)
+		for (size_t i = 0; i < ARRAYCOUNT(In); i++)
 		{
 			In[i] = (float)(i % 5);
 		}
@@ -170,7 +170,7 @@ void cNoise3DGenerator::Initialize(cWorld * a_World, cIniFile & a_IniFile)
 
 void cNoise3DGenerator::GenerateBiomes(int a_ChunkX, int a_ChunkZ, cChunkDef::BiomeMap & a_BiomeMap)
 {
-	for (unsigned int i = 0; i < ARRAYCOUNT(a_BiomeMap); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(a_BiomeMap); i++)
 	{
 		a_BiomeMap[i] = biExtremeHills;
 	}
@@ -236,7 +236,7 @@ void cNoise3DGenerator::GenerateNoiseArray(int a_ChunkX, int a_ChunkZ, NOISE_DAT
 	// Precalculate a "height" array:
 	NOISE_DATATYPE Height[DIM_X * DIM_Z];  // Output for the cubic noise heightmap ("source")
 	m_Cubic.Generate2D(Height, DIM_X, DIM_Z, StartX / 25, EndX / 25, StartZ / 25, EndZ / 25);
-	for (unsigned int i = 0; i < ARRAYCOUNT(Height); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(Height); i++)
 	{
 		Height[i] = abs(Height[i]) * m_HeightAmplification + 1;
 	}
diff --git a/src/Generating/StructGen.cpp b/src/Generating/StructGen.cpp
index 504c26238..da6227801 100644
--- a/src/Generating/StructGen.cpp
+++ b/src/Generating/StructGen.cpp
@@ -467,7 +467,7 @@ void cStructGenLakes::CreateLakeImage(int a_ChunkX, int a_ChunkZ, cBlockArea & a
 	cChunkDef::HeightMap HeightMap;
 	m_HeiGen.GenHeightMap(a_ChunkX, a_ChunkZ, HeightMap);
 	HEIGHTTYPE MinHeight = HeightMap[0];
-	for (int i = 1; i < ARRAYCOUNT(HeightMap); i++)
+	for (size_t i = 1; i < ARRAYCOUNT(HeightMap); i++)
 	{
 		if (HeightMap[i] < MinHeight)
 		{
@@ -646,7 +646,7 @@ void cStructGenDirectOverhangs::GenStructures(cChunkDesc & a_ChunkDesc)
 bool cStructGenDirectOverhangs::HasWantedBiome(cChunkDesc & a_ChunkDesc) const
 {
 	cChunkDef::BiomeMap & Biomes = a_ChunkDesc.GetBiomeMap();
-	for (int i = 0; i < ARRAYCOUNT(Biomes); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(Biomes); i++)
 	{
 		switch (Biomes[i])
 		{
@@ -655,6 +655,10 @@ bool cStructGenDirectOverhangs::HasWantedBiome(cChunkDesc & a_ChunkDesc) const
 			{
 				return true;
 			}
+			default:
+			{
+				break;
+			}
 		}
 	}  // for i
 	return false;
diff --git a/src/LinearInterpolation.cpp b/src/LinearInterpolation.cpp
index d4975418b..9455f3e4f 100644
--- a/src/LinearInterpolation.cpp
+++ b/src/LinearInterpolation.cpp
@@ -39,7 +39,7 @@ public:
 	void DoTest2(void)
 	{
 		float In[3 * 3 * 3];
-		for (int i = 0; i < ARRAYCOUNT(In); i++)
+		for (size_t i = 0; i < ARRAYCOUNT(In); i++)
 		{
 			In[i] = (float)(i % 5);
 		}
diff --git a/src/Mobs/Monster.cpp b/src/Mobs/Monster.cpp
index 0e2da942d..606e93408 100644
--- a/src/Mobs/Monster.cpp
+++ b/src/Mobs/Monster.cpp
@@ -571,7 +571,7 @@ void cMonster::SetSightDistance(float sd)
 AString cMonster::MobTypeToString(cMonster::eType a_MobType)
 {
 	// Mob types aren't sorted, so we need to search linearly:
-	for (int i = 0; i < ARRAYCOUNT(g_MobTypeNames); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(g_MobTypeNames); i++)
 	{
 		if (g_MobTypeNames[i].m_Type == a_MobType)
 		{
diff --git a/src/Simulator/DelayedFluidSimulator.cpp b/src/Simulator/DelayedFluidSimulator.cpp
index a4645ca09..3d2170e44 100644
--- a/src/Simulator/DelayedFluidSimulator.cpp
+++ b/src/Simulator/DelayedFluidSimulator.cpp
@@ -137,7 +137,7 @@ void cDelayedFluidSimulator::SimulateChunk(float a_Dt, int a_ChunkX, int a_Chunk
 	cDelayedFluidSimulatorChunkData::cSlot & Slot = ChunkData->m_Slots[m_SimSlotNum];
 	
 	// Simulate all the blocks in the scheduled slot:
-	for (int i = 0; i < ARRAYCOUNT(Slot.m_Blocks); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(Slot.m_Blocks); i++)
 	{
 		cCoordWithIntVector & Blocks = Slot.m_Blocks[i];
 		if (Blocks.empty())
diff --git a/src/Simulator/FireSimulator.cpp b/src/Simulator/FireSimulator.cpp
index 03e4f6e45..d7c5ab3b4 100644
--- a/src/Simulator/FireSimulator.cpp
+++ b/src/Simulator/FireSimulator.cpp
@@ -241,7 +241,7 @@ int cFireSimulator::GetBurnStepTime(cChunk * a_Chunk, int a_RelX, int a_RelY, in
 		IsBlockBelowSolid = g_BlockIsSolid[BlockBelow];
 	}
 	
-	for (int i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(gCrossCoords); i++)
 	{
 		BLOCKTYPE  BlockType;
 		NIBBLETYPE BlockMeta;
@@ -317,7 +317,7 @@ void cFireSimulator::TrySpreadFire(cChunk * a_Chunk, int a_RelX, int a_RelY, int
 
 void cFireSimulator::RemoveFuelNeighbors(cChunk * a_Chunk, int a_RelX, int a_RelY, int a_RelZ)
 {
-	for (int i = 0; i < ARRAYCOUNT(gNeighborCoords); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(gNeighborCoords); i++)
 	{
 		BLOCKTYPE  BlockType;
 		NIBBLETYPE BlockMeta;
@@ -358,7 +358,7 @@ bool cFireSimulator::CanStartFireInBlock(cChunk * a_NearChunk, int a_RelX, int a
 		return false;
 	}
 	
-	for (int i = 0; i < ARRAYCOUNT(gNeighborCoords); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(gNeighborCoords); i++)
 	{
 		if (!a_NearChunk->UnboundedRelGetBlock(a_RelX + gNeighborCoords[i].x, a_RelY + gNeighborCoords[i].y, a_RelZ + gNeighborCoords[i].z, BlockType, BlockMeta))
 		{
diff --git a/src/Simulator/FloodyFluidSimulator.cpp b/src/Simulator/FloodyFluidSimulator.cpp
index 58e5d614b..fdc4643a8 100644
--- a/src/Simulator/FloodyFluidSimulator.cpp
+++ b/src/Simulator/FloodyFluidSimulator.cpp
@@ -143,7 +143,7 @@ bool cFloodyFluidSimulator::CheckTributaries(cChunk * a_Chunk, int a_RelX, int a
 			Vector3i( 0, 0,  1),
 			Vector3i( 0, 0, -1),
 		} ;
-		for (int i = 0; i < ARRAYCOUNT(Coords); i++)
+		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))
 			{
@@ -309,7 +309,7 @@ bool cFloodyFluidSimulator::CheckNeighborsForSource(cChunk * a_Chunk, int a_RelX
 	} ;
 	
 	int NumNeeded = m_NumNeighborsForSource;
-	for (int i = 0; i < ARRAYCOUNT(NeighborCoords); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(NeighborCoords); i++)
 	{
 		int x = a_RelX + NeighborCoords[i].x;
 		int y = a_RelY + NeighborCoords[i].y;
diff --git a/src/WorldStorage/NBTChunkSerializer.cpp b/src/WorldStorage/NBTChunkSerializer.cpp
index c9013b1b3..5c87c2679 100644
--- a/src/WorldStorage/NBTChunkSerializer.cpp
+++ b/src/WorldStorage/NBTChunkSerializer.cpp
@@ -432,7 +432,7 @@ bool cNBTChunkSerializer::LightIsValid(bool a_IsLightValid)
 void cNBTChunkSerializer::BiomeData(const cChunkDef::BiomeMap * a_BiomeMap)
 {
 	memcpy(m_Biomes, a_BiomeMap, sizeof(m_Biomes));
-	for (int i = 0; i < ARRAYCOUNT(m_Biomes); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(m_Biomes); i++)
 	{
 		if ((*a_BiomeMap)[i] < 255)
 		{
diff --git a/src/WorldStorage/WSSAnvil.cpp b/src/WorldStorage/WSSAnvil.cpp
index 79be4dfa2..dd06f19fa 100644
--- a/src/WorldStorage/WSSAnvil.cpp
+++ b/src/WorldStorage/WSSAnvil.cpp
@@ -469,7 +469,7 @@ cChunkDef::BiomeMap * cWSSAnvil::LoadVanillaBiomeMapFromNBT(cChunkDef::BiomeMap
 		return NULL;
 	}
 	const unsigned char * VanillaBiomeData = (const unsigned char *)(a_NBT.GetData(a_TagIdx));
-	for (int i = 0; i < ARRAYCOUNT(*a_BiomeMap); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(*a_BiomeMap); i++)
 	{
 		if ((VanillaBiomeData)[i] == 0xff)
 		{
@@ -497,7 +497,7 @@ cChunkDef::BiomeMap * cWSSAnvil::LoadBiomeMapFromNBT(cChunkDef::BiomeMap * a_Bio
 		return NULL;
 	}
 	const int * BiomeData = (const int *)(a_NBT.GetData(a_TagIdx));
-	for (int i = 0; i < ARRAYCOUNT(*a_BiomeMap); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(*a_BiomeMap); i++)
 	{
 		(*a_BiomeMap)[i] = (EMCSBiome)(ntohl(BiomeData[i]));
 		if ((*a_BiomeMap)[i] == 0xff)
@@ -1538,7 +1538,7 @@ unsigned cWSSAnvil::cMCAFile::FindFreeLocation(int a_LocalX, int a_LocalZ, const
 	
 	// Doesn't fit, append to the end of file (we're wasting a lot of space, TODO: fix this later)
 	unsigned MaxLocation = 2 << 8;  // Minimum sector is #2 - after the headers
-	for (int i = 0; i < ARRAYCOUNT(m_Header); i++)
+	for (size_t i = 0; i < ARRAYCOUNT(m_Header); i++)
 	{
 		ChunkLocation = ntohl(m_Header[i]);
 		ChunkLocation = ChunkLocation + ((ChunkLocation & 0xff) << 8);  // Add the number of sectors used; don't care about the 4th byte