56 files changed, 540 insertions, 334 deletions

diff --git a/MCServer/Plugins/APIDump/APIDesc.lua b/MCServer/Plugins/APIDump/APIDesc.lua
index b3b7dd11c..233bdbc46 100644
--- a/MCServer/Plugins/APIDump/APIDesc.lua
+++ b/MCServer/Plugins/APIDump/APIDesc.lua
@@ -551,7 +551,22 @@ end
 				{{cPlayer}}:SendMessage(), {{cWorld}}:BroadcastChat() and {{cRoot}}:BroadcastChat().</p>
 				<p>
 				Note that most of the functions in this class are so-called modifiers - they modify the object and
-				then return the object itself, so that they can be chained one after another.
+				then return the object itself, so that they can be chained one after another. See the Chaining
+				example below for details.</p>
+				<p>
+				Each part of the composite chat message takes a "Style" parameter, this is a string that describes
+				the formatting. It uses the following strings, concatenated together:
+				<table>
+				<tr><th>String</th><th>Style</th></tr>
+				<tr><td>b</td><td>Bold text</td></tr>
+				<tr><td>i</td><td>Italic text</td></tr>
+				<tr><td>u</td><td>Underlined text</td></tr>
+				<tr><td>s</td><td>Strikethrough text</td></tr>
+				<tr><td>o</td><td>Obfuscated text</td></tr>
+				<tr><td>@X</td><td>color X (X is 0 - 9 or a - f, same as dye meta</td></tr>
+				</table>
+				The following picture, taken from MineCraft Wiki, illustrates the color codes:</p>
+				<img src="http://hydra-media.cursecdn.com/minecraft.gamepedia.com/4/4c/Colors.png?version=34a0f56789a95326e1f7d82047b12232" />
 			]],
 			Functions =
 			{
@@ -565,6 +580,7 @@ end
 				AddTextPart = { Params = "Text, [Style]", Return = "self", Notes = "Adds a regular text. Chaining." },
 				AddUrlPart = { Params = "Text, Url, [Style]", Return = "self", Notes = "Adds a text which, when clicked, opens up a browser at the specified URL. Chaining." },
 				Clear = { Params = "", Return = "", Notes = "Removes all parts from this object" },
+				ExtractText = { Params = "", Return = "string", Notes = "Returns the text from the parts that comprises the human-readable data. Used for older protocols that don't support composite chat and for console-logging." },
 				GetMessageType = { Params = "", Return = "MessageType", Notes = "Returns the MessageType (mtXXX constant) that is associated with this message. When sent to a player, the message will be formatted according to this message type and the player's settings (adding \"[INFO]\" prefix etc.)" },
 				ParseText = { Params = "Text", Return = "self", Notes = "Adds text, while recognizing http and https URLs and old-style formatting codes (\"@2\"). Chaining." },
 				SetMessageType = { Params = "MessageType", Return = "self", Notes = "Sets the MessageType (mtXXX constant) that is associated with this message. When sent to a player, the message will be formatted according to this message type and the player's settings (adding \"[INFO]\" prefix etc.) Chaining." },
@@ -2200,7 +2216,7 @@ end
 				CastThunderbolt = { Params = "X, Y, Z", Return = "", Notes = "Creates a thunderbolt at the specified coords" },
 				ChangeWeather = { Params = "", Return = "", Notes = "Forces the weather to change in the next game tick. Weather is changed according to the normal rules: wSunny <-> wRain <-> wStorm" },
 				ChunkStay = { Params = "ChunkCoordTable, OnChunkAvailable, OnAllChunksAvailable", Return = "", Notes = "Queues the specified chunks to be loaded or generated and calls the specified callbacks once they are loaded. ChunkCoordTable is an arra-table of chunk coords, each coord being a table of 2 numbers: { {Chunk1x, Chunk1z}, {Chunk2x, Chunk2z}, ...}. When any of those chunks are made available (including being available at the start of this call), the OnChunkAvailable() callback is called. When all the chunks are available, the OnAllChunksAvailable() callback is called. The function signatures are: <pre class=\"prettyprint lang-lua\">function OnChunkAvailable(ChunkX, ChunkZ)\nfunction OnAllChunksAvailable()</pre> All return values from the callbacks are ignored." },
-				CreateProjectile = { Params = "X, Y, Z, {{cProjectileEntity|ProjectileKind}}, {{cEntity|Creator}}, [{{Vector3d|Speed}}]", Return = "", Notes = "Creates a new projectile of the specified kind at the specified coords. The projectile's creator is set to Creator (may be nil). Optional speed indicates the initial speed for the projectile." },
+				CreateProjectile = { Params = "X, Y, Z, {{cProjectileEntity|ProjectileKind}}, {{cEntity|Creator}}, {{cItem|Originating Item}}, [{{Vector3d|Speed}}]", Return = "", Notes = "Creates a new projectile of the specified kind at the specified coords. The projectile's creator is set to Creator (may be nil). The item that created the projectile entity, commonly the {{cPlayer|player}}'s currently equipped item, is used at present for fireworks to correctly set their entity metadata. It is not used for any other projectile. Optional speed indicates the initial speed for the projectile." },
 				DigBlock = { Params = "X, Y, Z", Return = "", Notes = "Replaces the specified block with air, without dropping the usual pickups for the block. Wakes up the simulators for the block and its neighbors." },
 				DoExplosionAt = { Params = "Force, X, Y, Z, CanCauseFire, Source, SourceData", Return = "", Notes = "Creates an explosion of the specified relative force in the specified position. If CanCauseFire is set, the explosion will set blocks on fire, too. The Source parameter specifies the source of the explosion, one of the esXXX constants. The SourceData parameter is specific to each source type, usually it provides more info about the source." },
 				DoWithBlockEntityAt = { Params = "X, Y, Z, CallbackFunction, [CallbackData]", Return = "bool", Notes = "If there is a block entity at the specified coords, calls the CallbackFunction with the {{cBlockEntity}} parameter representing the block entity. The CallbackFunction has the following signature: <pre class=\"prettyprint lang-lua\">function Callback({{cBlockEntity|BlockEntity}}, [CallbackData])</pre> The function returns false if there is no block entity, or if there is, it returns the bool value that the callback has returned. Use {{tolua}}.cast() to cast the Callback's BlockEntity parameter to the correct {{cBlockEntity}} descendant." },
diff --git a/Tools/ProtoProxy/Connection.cpp b/Tools/ProtoProxy/Connection.cpp
index f02b503f1..d9b8e3dd1 100644
--- a/Tools/ProtoProxy/Connection.cpp
+++ b/Tools/ProtoProxy/Connection.cpp
@@ -387,6 +387,8 @@ bool cConnection::RelayFromServer(void)
 			return CLIENTSEND(Buffer, res);
 		}
 	}
+	ASSERT(!"Unhandled server state while relaying from server");
+	return false;
 }
 
 
@@ -423,6 +425,8 @@ bool cConnection::RelayFromClient(void)
 			return SERVERSEND(Buffer, res);
 		}
 	}
+	ASSERT(!"Unhandled server state while relaying from client");
+	return false;
 }
 
 
@@ -438,11 +442,11 @@ double cConnection::GetRelativeTime(void)
 
 
 
-bool cConnection::SendData(SOCKET a_Socket, const char * a_Data, int a_Size, const char * a_Peer)
+bool cConnection::SendData(SOCKET a_Socket, const char * a_Data, size_t a_Size, const char * a_Peer)
 {
-	DataLog(a_Data, a_Size, "Sending data to %s, %d bytes", a_Peer, a_Size);
+	DataLog(a_Data, a_Size, "Sending data to %s, %u bytes", a_Peer, (unsigned)a_Size);
 	
-	int res = send(a_Socket, a_Data, a_Size, 0);
+	int res = send(a_Socket, a_Data, (int)a_Size, 0);
 	if (res <= 0)
 	{
 		Log("%s closed the socket: %d, %d; aborting connection", a_Peer, res, SocketError);
diff --git a/Tools/ProtoProxy/Connection.h b/Tools/ProtoProxy/Connection.h
index 70b759d0f..9e04994b7 100644
--- a/Tools/ProtoProxy/Connection.h
+++ b/Tools/ProtoProxy/Connection.h
@@ -103,7 +103,7 @@ protected:
 	double GetRelativeTime(void);
 	
 	/// Sends data to the specified socket. If sending fails, prints a fail message using a_Peer and returns false.
-	bool SendData(SOCKET a_Socket, const char * a_Data, int a_Size, const char * a_Peer);
+	bool SendData(SOCKET a_Socket, const char * a_Data, size_t a_Size, const char * a_Peer);
 	
 	/// Sends data to the specified socket. If sending fails, prints a fail message using a_Peer and returns false.
 	bool SendData(SOCKET a_Socket, cByteBuffer & a_Data, const char * a_Peer);
diff --git a/src/Blocks/BlockBigFlower.h b/src/Blocks/BlockBigFlower.h
new file mode 100644
index 000000000..39fd3cac8
--- /dev/null
+++ b/src/Blocks/BlockBigFlower.h
@@ -0,0 +1,131 @@
+
+#pragma once
+
+#include "BlockHandler.h"
+
+
+
+
+
+class cBlockBigFlowerHandler :
+	public cBlockHandler
+{
+public:
+	typedef cBlockHandler super;
+
+	cBlockBigFlowerHandler(BLOCKTYPE a_BlockType)
+		: cBlockHandler(a_BlockType)
+	{
+	}
+
+
+	virtual void DropBlock(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cBlockPluginInterface & a_BlockPluginInterface, cEntity * a_Digger, int a_BlockX, int a_BlockY, int a_BlockZ) override
+	{
+		NIBBLETYPE Meta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
+		if (Meta & 0x8)
+		{
+			super::DropBlock(a_ChunkInterface, a_WorldInterface, a_BlockPluginInterface, a_Digger, a_BlockX, a_BlockY - 1, a_BlockZ);
+		}
+		else
+		{
+			super::DropBlock(a_ChunkInterface, a_WorldInterface, a_BlockPluginInterface, a_Digger, a_BlockX, a_BlockY, a_BlockZ);
+		}
+	}
+
+
+	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
+	{
+		NIBBLETYPE Meta = a_BlockMeta & 0x7;
+		
+		if ((Meta == 2) || (Meta == 3))
+		{
+			return;
+		}
+		
+		a_Pickups.push_back(cItem(E_BLOCK_BIG_FLOWER, 1, Meta));
+	}
+
+
+	virtual void OnDestroyedByPlayer(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ) override
+	{
+		NIBBLETYPE Meta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
+		if (Meta & 0x8)
+		{
+			Meta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY - 1, a_BlockZ);
+		}
+		
+		NIBBLETYPE FlowerMeta = Meta & 0x7;
+		if (!a_Player->IsGameModeCreative())
+		{
+			if (((FlowerMeta == 2) || (FlowerMeta == 3)) && (a_Player->GetEquippedItem().m_ItemType == E_ITEM_SHEARS))
+			{
+				MTRand r1;
+				if (r1.randInt(10) == 5)
+				{
+					cItems Pickups;
+					if (FlowerMeta == 2)
+					{
+						Pickups.Add(E_BLOCK_TALL_GRASS, 2, 1);
+					}
+					else if (FlowerMeta == 3)
+					{
+						Pickups.Add(E_BLOCK_TALL_GRASS, 2, 2);
+					}
+					a_WorldInterface.SpawnItemPickups(Pickups, a_BlockX, a_BlockY, a_BlockZ);
+				}
+				a_Player->UseEquippedItem();
+			}
+		}
+	}
+
+
+	virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
+	{
+		return ((a_RelY > 0) && (a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ) != E_BLOCK_AIR) && (a_RelY < cChunkDef::Height) && ((a_Chunk.GetBlock(a_RelX, a_RelY + 1, a_RelZ) == E_BLOCK_AIR) || (a_Chunk.GetBlock(a_RelX, a_RelY + 1, a_RelZ) == E_BLOCK_BIG_FLOWER)));
+	}
+
+
+	virtual void OnPlacedByPlayer(
+		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,
+		BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta
+	) override
+	{
+		int Meta = (((int)floor(a_Player->GetYaw() * 4.0 / 360.0 + 0.5) & 0x3) + 2) % 4;
+		a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY + 1, a_BlockZ, m_BlockType, 0x8 | Meta);
+	}
+
+
+	virtual void OnDestroyed(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, int a_BlockX, int a_BlockY, int a_BlockZ) override
+	{
+		NIBBLETYPE OldMeta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
+
+		if (OldMeta & 0x8)
+		{
+			// Was upper part of flower
+			if (a_ChunkInterface.GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ) == m_BlockType)
+			{
+				a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY - 1, a_BlockZ, E_BLOCK_AIR, 0);
+			}
+		}
+		else
+		{
+			// Was lower part
+			if (a_ChunkInterface.GetBlock(a_BlockX, a_BlockY + 1, a_BlockZ) == m_BlockType)
+			{
+				a_ChunkInterface.FastSetBlock(a_BlockX, a_BlockY + 1, a_BlockZ, E_BLOCK_AIR, 0);
+			}
+		}
+	}
+
+
+	virtual const char * GetStepSound(void) override
+	{
+		return "step.grass";
+	}
+} ;
+
+
+
+
diff --git a/src/Blocks/BlockHandler.cpp b/src/Blocks/BlockHandler.cpp
index 13cb67041..344f056a1 100644
--- a/src/Blocks/BlockHandler.cpp
+++ b/src/Blocks/BlockHandler.cpp
@@ -8,6 +8,7 @@
 #include "../Chunk.h"
 #include "BlockAnvil.h"
 #include "BlockBed.h"
+#include "BlockBigFlower.h"
 #include "BlockBrewingStand.h"
 #include "BlockButton.h"
 #include "BlockCactus.h"
@@ -90,6 +91,7 @@ cBlockHandler * cBlockHandler::CreateBlockHandler(BLOCKTYPE a_BlockType)
 		case E_BLOCK_ACTIVATOR_RAIL:        return new cBlockRailHandler            (a_BlockType);
 		case E_BLOCK_ANVIL:                 return new cBlockAnvilHandler           (a_BlockType);
 		case E_BLOCK_BED:                   return new cBlockBedHandler             (a_BlockType);
+		case E_BLOCK_BIG_FLOWER:            return new cBlockBigFlowerHandler       (a_BlockType);
 		case E_BLOCK_BIRCH_WOOD_STAIRS:     return new cBlockStairsHandler          (a_BlockType);
 		case E_BLOCK_BREWING_STAND:         return new cBlockBrewingStandHandler    (a_BlockType);
 		case E_BLOCK_BRICK_STAIRS:          return new cBlockStairsHandler          (a_BlockType);
diff --git a/src/Blocks/BlockSign.h b/src/Blocks/BlockSign.h
index 6c0becfd6..9d6fede21 100644
--- a/src/Blocks/BlockSign.h
+++ b/src/Blocks/BlockSign.h
@@ -31,7 +31,7 @@ public:
 	}
 
 
-	static char RotationToMetaData(double a_Rotation)
+	static NIBBLETYPE RotationToMetaData(double a_Rotation)
 	{
 		a_Rotation += 180 + (180 / 16);  // So it's not aligned with axis
 		if (a_Rotation > 360)
@@ -45,7 +45,7 @@ public:
 	}
 	
 	
-	static char DirectionToMetaData(eBlockFace a_Direction)
+	static NIBBLETYPE DirectionToMetaData(eBlockFace a_Direction)
 	{
 		switch (a_Direction)
 		{
diff --git a/src/Blocks/BlockTallGrass.h b/src/Blocks/BlockTallGrass.h
index b8af1f1da..ba1f2e0f6 100644
--- a/src/Blocks/BlockTallGrass.h
+++ b/src/Blocks/BlockTallGrass.h
@@ -15,14 +15,14 @@ public:
 		: cBlockHandler(a_BlockType)
 	{
 	}
-	
-	
+
+
 	virtual bool DoesIgnoreBuildCollision(void) override
 	{
 		return true;
 	}
-	
-	
+
+
 	virtual void ConvertToPickups(cItems & a_Pickups, NIBBLETYPE a_BlockMeta) override
 	{
 		// Drop seeds, sometimes
@@ -34,11 +34,25 @@ public:
 	}
 
 
+	virtual void OnDestroyedByPlayer(cChunkInterface & a_ChunkInterface, cWorldInterface & a_WorldInterface, cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ) override
+	{
+		NIBBLETYPE Meta = a_ChunkInterface.GetBlockMeta(a_BlockX, a_BlockY, a_BlockZ);
+		
+		if ((!a_Player->IsGameModeCreative()) && (a_Player->GetEquippedItem().m_ItemType == E_ITEM_SHEARS))
+		{
+			cItems Pickups;
+			Pickups.Add(E_BLOCK_TALL_GRASS, 1, Meta);
+			a_WorldInterface.SpawnItemPickups(Pickups, a_BlockX, a_BlockY, a_BlockZ);
+		}
+		a_Player->UseEquippedItem();
+	}
+
+
 	virtual bool CanBeAt(cChunkInterface & a_ChunkInterface, int a_RelX, int a_RelY, int a_RelZ, const cChunk & a_Chunk) override
 	{
 		return ((a_RelY > 0) && (a_Chunk.GetBlock(a_RelX, a_RelY - 1, a_RelZ) != E_BLOCK_AIR));
 	}
-	
+
 
 	virtual const char * GetStepSound(void) override
 	{
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp
index 23ba4dbab..5876e55c7 100644
--- a/src/ClientHandle.cpp
+++ b/src/ClientHandle.cpp
@@ -1532,7 +1532,7 @@ void cClientHandle::HandleTabCompletion(const AString & a_Text)
 
 
 
-void cClientHandle::SendData(const char * a_Data, int a_Size)
+void cClientHandle::SendData(const char * a_Data, size_t a_Size)
 {
 	if (m_HasSentDC)
 	{
@@ -1547,7 +1547,7 @@ void cClientHandle::SendData(const char * a_Data, int a_Size)
 		if (m_OutgoingDataOverflow.empty())
 		{
 			// No queued overflow data; if this packet fits into the ringbuffer, put it in, otherwise put it in the overflow buffer:
-			int CanFit = m_OutgoingData.GetFreeSpace();
+			size_t CanFit = m_OutgoingData.GetFreeSpace();
 			if (CanFit > a_Size)
 			{
 				CanFit = a_Size;
@@ -2633,7 +2633,7 @@ void cClientHandle::PacketError(unsigned char a_PacketType)
 
 
 
-void cClientHandle::DataReceived(const char * a_Data, int a_Size)
+void cClientHandle::DataReceived(const char * a_Data, size_t a_Size)
 {
 	// Data is received from the client, store it in the buffer to be processed by the Tick thread:
 	m_TimeSinceLastPacket = 0;
diff --git a/src/ClientHandle.h b/src/ClientHandle.h
index 5496e61a7..0c367ec7d 100644
--- a/src/ClientHandle.h
+++ b/src/ClientHandle.h
@@ -225,7 +225,7 @@ public:
 	*/
 	bool HandleLogin(int a_ProtocolVersion, const AString & a_Username);
 	
-	void SendData(const char * a_Data, int a_Size);
+	void SendData(const char * a_Data, size_t a_Size);
 	
 	/** Called when the player moves into a different world; queues sreaming the new chunks */
 	void MoveToWorld(cWorld & a_World, bool a_SendRespawnPacket);
@@ -362,7 +362,7 @@ private:
 	void HandleCommandBlockMessage(const char * a_Data, unsigned int a_Length);
 	
 	// cSocketThreads::cCallback overrides:
-	virtual void DataReceived   (const char * a_Data, int a_Size) override;  // Data is received from the client
+	virtual void DataReceived   (const char * a_Data, size_t a_Size) override;  // Data is received from the client
 	virtual void GetOutgoingData(AString & a_Data) override;  // Data can be sent to client
 	virtual void SocketClosed   (void) override;  // The socket has been closed for any reason
 };										// tolua_export
diff --git a/src/Endianness.h b/src/Endianness.h
index 86eb369f5..78f9a5d99 100644
--- a/src/Endianness.h
+++ b/src/Endianness.h
@@ -1,12 +1,14 @@
 
 #pragma once
 
+#define ntohll(x) ((((UInt64)ntohl((u_long)x)) << 32) + ntohl(x >> 32))
+
 
 
 
 
 // Changes endianness
-inline unsigned long long HostToNetwork8(const void* a_Value )
+inline UInt64 HostToNetwork8(const void * a_Value)
 {
 	unsigned long long __HostToNetwork8;
 	memcpy( &__HostToNetwork8, a_Value, sizeof( __HostToNetwork8 ) );
@@ -18,7 +20,7 @@ inline unsigned long long HostToNetwork8(const void* a_Value )
 
 
 
-inline unsigned int HostToNetwork4(const void* a_Value )
+inline UInt32 HostToNetwork4(const void* a_Value )
 {
 	unsigned int __HostToNetwork4;
 	memcpy( &__HostToNetwork4, a_Value, sizeof( __HostToNetwork4 ) );
@@ -30,11 +32,10 @@ inline unsigned int HostToNetwork4(const void* a_Value )
 
 
 
-inline double NetworkToHostDouble8(const void* a_Value )
+inline double NetworkToHostDouble8(const void * a_Value)
 {
-#define ntohll(x)   ((((unsigned long long)ntohl((u_long)x)) << 32) + ntohl(x >> 32))
-	unsigned long long buf = 0;//(*(unsigned long long*)a_Value);
-	memcpy( &buf, a_Value, 8 );
+	UInt64 buf = 0;
+	memcpy(&buf, a_Value, 8);
 	buf = ntohll(buf);
 	double x;
 	memcpy(&x, &buf, sizeof(double));
@@ -45,23 +46,25 @@ inline double NetworkToHostDouble8(const void* a_Value )
 
 
 
-inline long long NetworkToHostLong8(const void * a_Value )
+inline Int64 NetworkToHostLong8(const void * a_Value)
 {
-	unsigned long long buf = *(unsigned long long*)a_Value;
+	UInt64 buf;
+	memcpy(&buf, a_Value, 8);
 	buf = ntohll(buf);
-	return *reinterpret_cast<long long *>(&buf);
+	return *reinterpret_cast<Int64 *>(&buf);
 }
 
 
 
 
 
-inline float NetworkToHostFloat4(const void* a_Value )
+inline float NetworkToHostFloat4(const void * a_Value)
 {
-	u_long buf = *(u_long*)a_Value;
-	buf = ntohl( buf );
-	float x = 0;
-	memcpy( &x, &buf, sizeof(float) );
+	UInt32 buf;
+	float x;
+	memcpy(&buf, a_Value, 4);
+	buf = ntohl(buf);
+	memcpy(&x, &buf, sizeof(float));
 	return x;
 }
 
diff --git a/src/Entities/Entity.cpp b/src/Entities/Entity.cpp
index 221cbbea7..8ef45f1a5 100644
--- a/src/Entities/Entity.cpp
+++ b/src/Entities/Entity.cpp
@@ -1469,7 +1469,7 @@ void cEntity::SteerVehicle(float a_Forward, float a_Sideways)
 Vector3d cEntity::GetLookVector(void) const
 {
 	Matrix4d m;
-	m.Init(Vector3f(), 0, m_Rot.x, -m_Rot.y);
+	m.Init(Vector3d(), 0, m_Rot.x, -m_Rot.y);
 	Vector3d Look = m.Transform(Vector3d(0, 0, 1));
 	return Look;
 }
diff --git a/src/Entities/Player.cpp b/src/Entities/Player.cpp
index 646aad50f..7f2e5b4c2 100644
--- a/src/Entities/Player.cpp
+++ b/src/Entities/Player.cpp
@@ -1124,6 +1124,17 @@ void cPlayer::TeleportToCoords(double a_PosX, double a_PosY, double a_PosZ)
 
 
 
+void cPlayer::SendRotation(double a_YawDegrees, double a_PitchDegrees)
+{
+	SetYaw(a_YawDegrees);
+	SetPitch(a_PitchDegrees);
+	m_ClientHandle->SendPlayerMoveLook();
+}
+
+
+
+
+
 Vector3d cPlayer::GetThrowStartPos(void) const
 {
 	Vector3d res = GetEyePosition();
diff --git a/src/Entities/Player.h b/src/Entities/Player.h
index ea32dbfb9..05377a117 100644
--- a/src/Entities/Player.h
+++ b/src/Entities/Player.h
@@ -129,6 +129,12 @@ public:
 
 	// tolua_begin
 	
+	/** Sends the "look" packet to the player, forcing them to set their rotation to the specified values.
+	a_YawDegrees is clipped to range [-180, +180),
+	a_PitchDegrees is clipped to range [-180, +180) but the client only uses [-90, +90]
+	*/
+	void SendRotation(double a_YawDegrees, double a_PitchDegrees);
+	
 	/** Returns the position where projectiles thrown by this player should start, player eye position + adjustment */
 	Vector3d GetThrowStartPos(void) const;
 	
diff --git a/src/Entities/ProjectileEntity.cpp b/src/Entities/ProjectileEntity.cpp
index a9735a53c..e86bb48bd 100644
--- a/src/Entities/ProjectileEntity.cpp
+++ b/src/Entities/ProjectileEntity.cpp
@@ -371,13 +371,14 @@ void cProjectileEntity::HandlePhysics(float a_Dt, cChunk & a_Chunk)
 	SetYawFromSpeed();
 	SetPitchFromSpeed();
 
-	// DEBUG:
+	/*
 	LOGD("Projectile %d: pos {%.02f, %.02f, %.02f}, speed {%.02f, %.02f, %.02f}, rot {%.02f, %.02f}",
 		m_UniqueID,
 		GetPosX(), GetPosY(), GetPosZ(),
 		GetSpeedX(), GetSpeedY(), GetSpeedZ(),
 		GetYaw(), GetPitch()
 	);
+	*/
 }
 
 
diff --git a/src/HTTPServer/EnvelopeParser.cpp b/src/HTTPServer/EnvelopeParser.cpp
index 8dbe05f14..fd4f3836d 100644
--- a/src/HTTPServer/EnvelopeParser.cpp
+++ b/src/HTTPServer/EnvelopeParser.cpp
@@ -20,7 +20,7 @@ cEnvelopeParser::cEnvelopeParser(cCallbacks & a_Callbacks) :
 
 
 
-int cEnvelopeParser::Parse(const char * a_Data, int a_Size)
+size_t cEnvelopeParser::Parse(const char * a_Data, size_t a_Size)
 {
 	if (!m_IsInHeaders)
 	{
@@ -55,7 +55,7 @@ int cEnvelopeParser::Parse(const char * a_Data, int a_Size)
 		{
 			// An error has occurred
 			m_IsInHeaders = false;
-			return -1;
+			return AString::npos;
 		}
 		Last = idxCRLF + 2;
 		idxCRLF = m_IncomingData.find("\r\n", idxCRLF + 2);
diff --git a/src/HTTPServer/EnvelopeParser.h b/src/HTTPServer/EnvelopeParser.h
index 866bed11d..e96d80abe 100644
--- a/src/HTTPServer/EnvelopeParser.h
+++ b/src/HTTPServer/EnvelopeParser.h
@@ -22,7 +22,7 @@ public:
 		// Force a virtual destructor in descendants:
 		virtual ~cCallbacks() {}
 		
-		/// Called when a full header line is parsed
+		/** Called when a full header line is parsed */
 		virtual void OnHeaderLine(const AString & a_Key, const AString & a_Value) = 0;
 	} ;
 	
@@ -30,40 +30,41 @@ public:
 	cEnvelopeParser(cCallbacks & a_Callbacks);
 	
 	/** Parses the incoming data.
-	Returns the number of bytes consumed from the input. The bytes not consumed are not part of the envelope header
+	Returns the number of bytes consumed from the input. The bytes not consumed are not part of the envelope header.
+	Returns AString::npos on error
 	*/
-	int Parse(const char * a_Data, int a_Size);
+	size_t Parse(const char * a_Data, size_t a_Size);
 	
-	/// Makes the parser forget everything parsed so far, so that it can be reused for parsing another datastream
+	/** Makes the parser forget everything parsed so far, so that it can be reused for parsing another datastream */
 	void Reset(void);
 	
-	/// Returns true if more input is expected for the envelope header
+	/** Returns true if more input is expected for the envelope header */
 	bool IsInHeaders(void) const { return m_IsInHeaders; }
 	
-	/// Sets the IsInHeaders flag; used by cMultipartParser to simplify the parser initial conditions
+	/** Sets the IsInHeaders flag; used by cMultipartParser to simplify the parser initial conditions */
 	void SetIsInHeaders(bool a_IsInHeaders) { m_IsInHeaders = a_IsInHeaders; }
 	
 public:
-	/// Callbacks to call for the various events
+	/** Callbacks to call for the various events */
 	cCallbacks & m_Callbacks;
 	
-	/// Set to true while the parser is still parsing the envelope headers. Once set to true, the parser will not consume any more data.
+	/** Set to true while the parser is still parsing the envelope headers. Once set to true, the parser will not consume any more data. */
 	bool m_IsInHeaders;
 	
-	/// Buffer for the incoming data until it is parsed
+	/** Buffer for the incoming data until it is parsed */
 	AString m_IncomingData;
 	
-	/// Holds the last parsed key; used for line-wrapped values
+	/** Holds the last parsed key; used for line-wrapped values */
 	AString m_LastKey;
 	
-	/// Holds the last parsed value; used for line-wrapped values
+	/** Holds the last parsed value; used for line-wrapped values */
 	AString m_LastValue;
 
 
-	/// Notifies the callback of the key/value stored in m_LastKey/m_LastValue, then erases them
+	/** Notifies the callback of the key/value stored in m_LastKey/m_LastValue, then erases them */
 	void NotifyLast(void);
 	
-	/// Parses one line of header data. Returns true if successful
+	/** Parses one line of header data. Returns true if successful */
 	bool ParseLine(const char * a_Data, size_t a_Size);
 } ;
 
diff --git a/src/HTTPServer/HTTPConnection.cpp b/src/HTTPServer/HTTPConnection.cpp
index 78b7ce4d9..44a3d3f88 100644
--- a/src/HTTPServer/HTTPConnection.cpp
+++ b/src/HTTPServer/HTTPConnection.cpp
@@ -67,10 +67,10 @@ void cHTTPConnection::Send(const cHTTPResponse & a_Response)
 
 
 
-void cHTTPConnection::Send(const void * a_Data, int a_Size)
+void cHTTPConnection::Send(const void * a_Data, size_t a_Size)
 {
 	ASSERT(m_State == wcsSendingResp);
-	AppendPrintf(m_OutgoingData, "%x\r\n", a_Size);
+	AppendPrintf(m_OutgoingData, SIZE_T_FMT "\r\n", a_Size);
 	m_OutgoingData.append((const char *)a_Data, a_Size);
 	m_OutgoingData.append("\r\n");
 	m_HTTPServer.NotifyConnectionWrite(*this);
@@ -144,7 +144,7 @@ void cHTTPConnection::Terminate(void)
 
 
 
-void cHTTPConnection::DataReceived(const char * a_Data, int a_Size)
+void cHTTPConnection::DataReceived(const char * a_Data, size_t a_Size)
 {
 	switch (m_State)
 	{
@@ -155,8 +155,8 @@ void cHTTPConnection::DataReceived(const char * a_Data, int a_Size)
 				m_CurrentRequest = new cHTTPRequest;
 			}
 
-			int BytesConsumed = m_CurrentRequest->ParseHeaders(a_Data, a_Size);
-			if (BytesConsumed < 0)
+			size_t BytesConsumed = m_CurrentRequest->ParseHeaders(a_Data, a_Size);
+			if (BytesConsumed == AString::npos)
 			{
 				delete m_CurrentRequest;
 				m_CurrentRequest = NULL;
@@ -174,7 +174,7 @@ void cHTTPConnection::DataReceived(const char * a_Data, int a_Size)
 			m_State = wcsRecvBody;
 			m_HTTPServer.NewRequest(*this, *m_CurrentRequest);
 			m_CurrentRequestBodyRemaining = m_CurrentRequest->GetContentLength();
-			if (m_CurrentRequestBodyRemaining < 0)
+			if (m_CurrentRequestBodyRemaining == AString::npos)
 			{
 				// The body length was not specified in the request, assume zero
 				m_CurrentRequestBodyRemaining = 0;
@@ -197,7 +197,7 @@ void cHTTPConnection::DataReceived(const char * a_Data, int a_Size)
 			ASSERT(m_CurrentRequest != NULL);
 			if (m_CurrentRequestBodyRemaining > 0)
 			{
-				int BytesToConsume = std::min(m_CurrentRequestBodyRemaining, a_Size);
+				size_t BytesToConsume = std::min(m_CurrentRequestBodyRemaining, (size_t)a_Size);
 				m_HTTPServer.RequestBody(*this, *m_CurrentRequest, a_Data, BytesToConsume);
 				m_CurrentRequestBodyRemaining -= BytesToConsume;
 			}
diff --git a/src/HTTPServer/HTTPConnection.h b/src/HTTPServer/HTTPConnection.h
index 5b8103554..fc11f1ba6 100644
--- a/src/HTTPServer/HTTPConnection.h
+++ b/src/HTTPServer/HTTPConnection.h
@@ -51,7 +51,7 @@ public:
 	void Send(const cHTTPResponse & a_Response);
 	
 	/** Sends the data as the response (may be called multiple times) */
-	void Send(const void * a_Data, int a_Size);
+	void Send(const void * a_Data, size_t a_Size);
 
 	/** Sends the data as the response (may be called multiple times) */
 	void Send(const AString & a_Data) { Send(a_Data.data(), a_Data.size()); }
@@ -87,11 +87,11 @@ protected:
 
 	/** Number of bytes that remain to read for the complete body of the message to be received.
 	Valid only in wcsRecvBody */
-	int m_CurrentRequestBodyRemaining;
+	size_t m_CurrentRequestBodyRemaining;
 	
 	
 	// cSocketThreads::cCallback overrides:
-	virtual void DataReceived   (const char * a_Data, int a_Size) override;  // Data is received from the client
+	virtual void DataReceived   (const char * a_Data, size_t a_Size) override;  // Data is received from the client
 	virtual void GetOutgoingData(AString & a_Data) override;  // Data can be sent to client
 	virtual void SocketClosed   (void) override;  // The socket has been closed for any reason
 } ;
diff --git a/src/HTTPServer/HTTPFormParser.cpp b/src/HTTPServer/HTTPFormParser.cpp
index e661ea6f9..9ddfb82f1 100644
--- a/src/HTTPServer/HTTPFormParser.cpp
+++ b/src/HTTPServer/HTTPFormParser.cpp
@@ -52,7 +52,7 @@ cHTTPFormParser::cHTTPFormParser(cHTTPRequest & a_Request, cCallbacks & a_Callba
 
 
 
-cHTTPFormParser::cHTTPFormParser(eKind a_Kind, const char * a_Data, int a_Size, cCallbacks & a_Callbacks) :
+cHTTPFormParser::cHTTPFormParser(eKind a_Kind, const char * a_Data, size_t a_Size, cCallbacks & a_Callbacks) :
 	m_Callbacks(a_Callbacks),
 	m_Kind(a_Kind),
 	m_IsValid(true)
@@ -64,7 +64,7 @@ cHTTPFormParser::cHTTPFormParser(eKind a_Kind, const char * a_Data, int a_Size,
 
 
 
-void cHTTPFormParser::Parse(const char * a_Data, int a_Size)
+void cHTTPFormParser::Parse(const char * a_Data, size_t a_Size)
 {
 	if (!m_IsValid)
 	{
@@ -243,7 +243,7 @@ void cHTTPFormParser::OnPartHeader(const AString & a_Key, const AString & a_Valu
 
 
 
-void cHTTPFormParser::OnPartData(const char * a_Data, int a_Size)
+void cHTTPFormParser::OnPartData(const char * a_Data, size_t a_Size)
 {
 	if (m_CurrentPartName.empty())
 	{
diff --git a/src/HTTPServer/HTTPFormParser.h b/src/HTTPServer/HTTPFormParser.h
index f2a509cb8..edc6d2471 100644
--- a/src/HTTPServer/HTTPFormParser.h
+++ b/src/HTTPServer/HTTPFormParser.h
@@ -43,7 +43,7 @@ public:
 		virtual void OnFileStart(cHTTPFormParser & a_Parser, const AString & a_FileName) = 0;
 		
 		/// Called when more file data has come for the current file in the form data
-		virtual void OnFileData(cHTTPFormParser & a_Parser, const char * a_Data, int a_Size) = 0;
+		virtual void OnFileData(cHTTPFormParser & a_Parser, const char * a_Data, size_t a_Size) = 0;
 		
 		/// Called when the current file part has ended in the form data
 		virtual void OnFileEnd(cHTTPFormParser & a_Parser) = 0;
@@ -54,10 +54,10 @@ public:
 	cHTTPFormParser(cHTTPRequest & a_Request, cCallbacks & a_Callbacks);
 	
 	/// Creates a parser with the specified content type that reads data from a string
-	cHTTPFormParser(eKind a_Kind, const char * a_Data, int a_Size, cCallbacks & a_Callbacks);
+	cHTTPFormParser(eKind a_Kind, const char * a_Data, size_t a_Size, cCallbacks & a_Callbacks);
 	
 	/// Adds more data into the parser, as the request body is received
-	void Parse(const char * a_Data, int a_Size);
+	void Parse(const char * a_Data, size_t a_Size);
 	
 	/** Notifies that there's no more data incoming and the parser should finish its parsing.
 	Returns true if parsing successful
@@ -106,7 +106,7 @@ protected:
 	// cMultipartParser::cCallbacks overrides:
 	virtual void OnPartStart (void) override;
 	virtual void OnPartHeader(const AString & a_Key, const AString & a_Value) override;
-	virtual void OnPartData  (const char * a_Data, int a_Size) override;
+	virtual void OnPartData  (const char * a_Data, size_t a_Size) override;
 	virtual void OnPartEnd   (void) override;
 } ;
 
diff --git a/src/HTTPServer/HTTPMessage.cpp b/src/HTTPServer/HTTPMessage.cpp
index 98627eb8e..4a3611050 100644
--- a/src/HTTPServer/HTTPMessage.cpp
+++ b/src/HTTPServer/HTTPMessage.cpp
@@ -25,7 +25,7 @@
 
 cHTTPMessage::cHTTPMessage(eKind a_Kind) :
 	m_Kind(a_Kind),
-	m_ContentLength(-1)
+	m_ContentLength(AString::npos)
 {
 }
 
@@ -81,23 +81,23 @@ cHTTPRequest::cHTTPRequest(void) :
 
 
 
-int cHTTPRequest::ParseHeaders(const char * a_Data, int a_Size)
+size_t cHTTPRequest::ParseHeaders(const char * a_Data, size_t a_Size)
 {
 	if (!m_IsValid)
 	{
-		return -1;
+		return AString::npos;
 	}
 	
 	if (m_Method.empty())
 	{
 		// The first line hasn't been processed yet
-		int res = ParseRequestLine(a_Data, a_Size);
-		if ((res < 0) || (res == a_Size))
+		size_t res = ParseRequestLine(a_Data, a_Size);
+		if ((res == AString::npos) || (res == a_Size))
 		{
 			return res;
 		}
-		int res2 = m_EnvelopeParser.Parse(a_Data + res, a_Size - res);
-		if (res2 < 0)
+		size_t res2 = m_EnvelopeParser.Parse(a_Data + res, a_Size - res);
+		if (res2 == AString::npos)
 		{
 			m_IsValid = false;
 			return res2;
@@ -107,8 +107,8 @@ int cHTTPRequest::ParseHeaders(const char * a_Data, int a_Size)
 	
 	if (m_EnvelopeParser.IsInHeaders())
 	{
-		int res = m_EnvelopeParser.Parse(a_Data, a_Size);
-		if (res < 0)
+		size_t res = m_EnvelopeParser.Parse(a_Data, a_Size);
+		if (res == AString::npos)
 		{
 			m_IsValid = false;
 		}
@@ -138,7 +138,7 @@ AString cHTTPRequest::GetBareURL(void) const
 
 
 
-int cHTTPRequest::ParseRequestLine(const char * a_Data, int a_Size)
+size_t cHTTPRequest::ParseRequestLine(const char * a_Data, size_t a_Size)
 {	
 	m_IncomingHeaderData.append(a_Data, a_Size);
 	size_t IdxEnd = m_IncomingHeaderData.size();
@@ -158,7 +158,7 @@ int cHTTPRequest::ParseRequestLine(const char * a_Data, int a_Size)
 	if (LineStart >= IdxEnd)
 	{
 		m_IsValid = false;
-		return -1;
+		return AString::npos;
 	}
 	
 	int NumSpaces = 0;
@@ -186,7 +186,7 @@ int cHTTPRequest::ParseRequestLine(const char * a_Data, int a_Size)
 					{
 						// Too many spaces in the request
 						m_IsValid = false;
-						return -1;
+						return AString::npos;
 					}
 				}
 				NumSpaces += 1;
@@ -198,13 +198,13 @@ int cHTTPRequest::ParseRequestLine(const char * a_Data, int a_Size)
 				{
 					// LF too early, without a CR, without two preceeding spaces or too soon after the second space
 					m_IsValid = false;
-					return -1;
+					return AString::npos;
 				}
 				// Check that there's HTTP/version at the end
 				if (strncmp(a_Data + URLEnd + 1, "HTTP/1.", 7) != 0)
 				{
 					m_IsValid = false;
-					return -1;
+					return AString::npos;
 				}
 				m_Method = m_IncomingHeaderData.substr(LineStart, MethodEnd - LineStart);
 				m_URL = m_IncomingHeaderData.substr(MethodEnd + 1, URLEnd - MethodEnd - 1);
diff --git a/src/HTTPServer/HTTPMessage.h b/src/HTTPServer/HTTPMessage.h
index ab3338db7..dab942136 100644
--- a/src/HTTPServer/HTTPMessage.h
+++ b/src/HTTPServer/HTTPMessage.h
@@ -39,10 +39,10 @@ public:
 	void AddHeader(const AString & a_Key, const AString & a_Value);
 	
 	void SetContentType  (const AString & a_ContentType) { m_ContentType   = a_ContentType; }
-	void SetContentLength(int a_ContentLength)           { m_ContentLength = a_ContentLength; }
+	void SetContentLength(size_t a_ContentLength)        { m_ContentLength = a_ContentLength; }
 	
 	const AString & GetContentType  (void) const { return m_ContentType; }
-	int             GetContentLength(void) const { return m_ContentLength; }
+	size_t          GetContentLength(void) const { return m_ContentLength; }
 
 protected:
 	typedef std::map<AString, AString> cNameValueMap;
@@ -54,8 +54,10 @@ protected:
 	/** Type of the content; parsed by AddHeader(), set directly by SetContentLength() */
 	AString m_ContentType;
 
-	/** Length of the content that is to be received. -1 when the object is created, parsed by AddHeader() or set directly by SetContentLength() */
-	int m_ContentLength;
+	/** Length of the content that is to be received.
+	AString::npos when the object is created.
+	Parsed by AddHeader() or set directly by SetContentLength() */
+	size_t m_ContentLength;
 } ;
 
 
@@ -72,12 +74,12 @@ public:
 	cHTTPRequest(void);
 	
 	/** Parses the request line and then headers from the received data.
-	Returns the number of bytes consumed or a negative number for error
+	Returns the number of bytes consumed or AString::npos number for error
 	*/
-	int ParseHeaders(const char * a_Data, int a_Size);
+	size_t ParseHeaders(const char * a_Data, size_t a_Size);
 	
 	/** Returns true if the request did contain a Content-Length header */
-	bool HasReceivedContentLength(void) const { return (m_ContentLength >= 0); }
+	bool HasReceivedContentLength(void) const { return (m_ContentLength != AString::npos); }
 	
 	/** Returns the method used in the request */
 	const AString & GetMethod(void) const { return m_Method; }
@@ -145,7 +147,7 @@ protected:
 	/** Parses the incoming data for the first line (RequestLine)
 	Returns the number of bytes consumed, or -1 for an error
 	*/
-	int ParseRequestLine(const char * a_Data, int a_Size);
+	size_t ParseRequestLine(const char * a_Data, size_t a_Size);
 	
 	// cEnvelopeParser::cCallbacks overrides:
 	virtual void OnHeaderLine(const AString & a_Key, const AString & a_Value) override;
diff --git a/src/HTTPServer/HTTPServer.cpp b/src/HTTPServer/HTTPServer.cpp
index 4e9195a00..eaf8405a3 100644
--- a/src/HTTPServer/HTTPServer.cpp
+++ b/src/HTTPServer/HTTPServer.cpp
@@ -38,7 +38,7 @@ class cDebugCallbacks :
 		}
 		
 		
-		virtual void OnRequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, int a_Size) override
+		virtual void OnRequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, size_t a_Size) override
 		{
 			UNUSED(a_Connection);
 			
@@ -100,7 +100,7 @@ class cDebugCallbacks :
 		}
 		
 		
-		virtual void OnFileData(cHTTPFormParser & a_Parser, const char * a_Data, int a_Size) override
+		virtual void OnFileData(cHTTPFormParser & a_Parser, const char * a_Data, size_t a_Size) override
 		{
 			// TODO
 		}
@@ -242,7 +242,7 @@ void cHTTPServer::NewRequest(cHTTPConnection & a_Connection, cHTTPRequest & a_Re
 
 
 
-void cHTTPServer::RequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, int a_Size)
+void cHTTPServer::RequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, size_t a_Size)
 {
 	m_Callbacks->OnRequestBody(a_Connection, a_Request, a_Data, a_Size);
 }
diff --git a/src/HTTPServer/HTTPServer.h b/src/HTTPServer/HTTPServer.h
index 383abb4b6..8eff7d879 100644
--- a/src/HTTPServer/HTTPServer.h
+++ b/src/HTTPServer/HTTPServer.h
@@ -44,8 +44,9 @@ public:
 		*/
 		virtual void OnRequestBegun(cHTTPConnection & a_Connection, cHTTPRequest & a_Request) = 0;
 		
-		/// Called when another part of request body has arrived.
-		virtual void OnRequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, int a_Size) = 0;
+		/** Called when another part of request body has arrived.
+		May be called multiple times for a single request. */
+		virtual void OnRequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, size_t a_Size) = 0;
 		
 		/// Called when the request body has been fully received in previous calls to OnRequestBody()
 		virtual void OnRequestFinished(cHTTPConnection & a_Connection, cHTTPRequest & a_Request) = 0;
@@ -90,8 +91,9 @@ protected:
 	/// Called by cHTTPConnection when it finishes parsing the request header
 	void NewRequest(cHTTPConnection & a_Connection, cHTTPRequest & a_Request);
 	
-	/// Called by cHTTPConenction when it receives more data for the request body
-	void RequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, int a_Size);
+	/** Called by cHTTPConenction when it receives more data for the request body.
+	May be called multiple times for a single request. */
+	void RequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, size_t a_Size);
 	
 	/// Called by cHTTPConnection when it detects that the request has finished (all of its body has been received)
 	void RequestFinished(cHTTPConnection & a_Connection, cHTTPRequest & a_Request);
diff --git a/src/HTTPServer/MultipartParser.cpp b/src/HTTPServer/MultipartParser.cpp
index 14c2c00fa..309495dd7 100644
--- a/src/HTTPServer/MultipartParser.cpp
+++ b/src/HTTPServer/MultipartParser.cpp
@@ -97,8 +97,6 @@ cMultipartParser::cMultipartParser(const AString & a_ContentType, cCallbacks & a
 	m_EnvelopeParser(*this),
 	m_HasHadData(false)
 {
-	static AString s_Multipart = "multipart/";
-	
 	// Check that the content type is multipart:
 	AString ContentType(a_ContentType);
 	if (strncmp(ContentType.c_str(), "multipart/", 10) != 0)
@@ -146,7 +144,7 @@ cMultipartParser::cMultipartParser(const AString & a_ContentType, cCallbacks & a
 
 
 
-void cMultipartParser::Parse(const char * a_Data, int a_Size)
+void cMultipartParser::Parse(const char * a_Data, size_t a_Size)
 {
 	// Skip parsing if invalid
 	if (!m_IsValid)
@@ -160,8 +158,8 @@ void cMultipartParser::Parse(const char * a_Data, int a_Size)
 	{
 		if (m_EnvelopeParser.IsInHeaders())
 		{
-			int BytesConsumed = m_EnvelopeParser.Parse(m_IncomingData.data(), m_IncomingData.size());
-			if (BytesConsumed < 0)
+			size_t BytesConsumed = m_EnvelopeParser.Parse(m_IncomingData.data(), m_IncomingData.size());
+			if (BytesConsumed == AString::npos)
 			{
 				m_IsValid = false;
 				return;
diff --git a/src/HTTPServer/MultipartParser.h b/src/HTTPServer/MultipartParser.h
index 77695fe4a..ad76ad650 100644
--- a/src/HTTPServer/MultipartParser.h
+++ b/src/HTTPServer/MultipartParser.h
@@ -25,50 +25,50 @@ public:
 		// Force a virtual destructor in descendants:
 		virtual ~cCallbacks() {}
 		
-		/// Called when a new part starts
+		/** Called when a new part starts */
 		virtual void OnPartStart(void) = 0;
 		
-		/// Called when a complete header line is received for a part
+		/** Called when a complete header line is received for a part */
 		virtual void OnPartHeader(const AString & a_Key, const AString & a_Value) = 0;
 		
-		/// Called when body for a part is received
-		virtual void OnPartData(const char * a_Data, int a_Size) = 0;
+		/** Called when body for a part is received */
+		virtual void OnPartData(const char * a_Data, size_t a_Size) = 0;
 		
-		/// Called when the current part ends
+		/** Called when the current part ends */
 		virtual void OnPartEnd(void) = 0;
 	} ;
 	
-	/// Creates the parser, expects to find the boundary in a_ContentType
+	/** Creates the parser, expects to find the boundary in a_ContentType */
 	cMultipartParser(const AString & a_ContentType, cCallbacks & a_Callbacks);
 	
-	/// Parses more incoming data
-	void Parse(const char * a_Data, int a_Size);
+	/** Parses more incoming data */
+	void Parse(const char * a_Data, size_t a_Size);
 	
 protected:
-	/// The callbacks to call for various parsing events
+	/** The callbacks to call for various parsing events */
 	cCallbacks & m_Callbacks;
 	
-	/// True if the data parsed so far is valid; if false, further parsing is skipped
+	/** True if the data parsed so far is valid; if false, further parsing is skipped */
 	bool m_IsValid;
 	
-	/// Parser for each part's envelope
+	/** Parser for each part's envelope */
 	cEnvelopeParser m_EnvelopeParser;
 	
-	/// Buffer for the incoming data until it is parsed
+	/** Buffer for the incoming data until it is parsed */
 	AString m_IncomingData;
 	
-	/// The boundary, excluding both the initial "--" and the terminating CRLF
+	/** The boundary, excluding both the initial "--" and the terminating CRLF */
 	AString m_Boundary;
 	
-	/// Set to true if some data for the current part has already been signalized to m_Callbacks. Used for proper CRLF inserting.
+	/** Set to true if some data for the current part has already been signalized to m_Callbacks. Used for proper CRLF inserting. */
 	bool m_HasHadData;
 	
 	
-	/// Parse one line of incoming data. The CRLF has already been stripped from a_Data / a_Size
-	void ParseLine(const char * a_Data, int a_Size);
+	/** Parse one line of incoming data. The CRLF has already been stripped from a_Data / a_Size */
+	void ParseLine(const char * a_Data, size_t a_Size);
 	
-	/// Parse one line of incoming data in the headers section of a part. The CRLF has already been stripped from a_Data / a_Size
-	void ParseHeaderLine(const char * a_Data, int a_Size);
+	/** Parse one line of incoming data in the headers section of a part. The CRLF has already been stripped from a_Data / a_Size */
+	void ParseHeaderLine(const char * a_Data, size_t a_Size);
 	
 	// cEnvelopeParser overrides:
 	virtual void OnHeaderLine(const AString & a_Key, const AString & a_Value) override;
diff --git a/src/HTTPServer/NameValueParser.cpp b/src/HTTPServer/NameValueParser.cpp
index 9ea8594ae..3f6c17dda 100644
--- a/src/HTTPServer/NameValueParser.cpp
+++ b/src/HTTPServer/NameValueParser.cpp
@@ -24,7 +24,7 @@ public:
 
 		// Now try parsing char-by-char, to debug transitions across datachunk boundaries:
 		cNameValueParser Parser2;
-		for (int i = 0; i < sizeof(Data) - 1; i++)
+		for (size_t i = 0; i < sizeof(Data) - 1; i++)
 		{
 			Parser2.Parse(Data + i, 1);
 		}
@@ -82,7 +82,7 @@ cNameValueParser::cNameValueParser(bool a_AllowsKeyOnly) :
 
 
 
-cNameValueParser::cNameValueParser(const char * a_Data, int a_Size, bool a_AllowsKeyOnly) :
+cNameValueParser::cNameValueParser(const char * a_Data, size_t a_Size, bool a_AllowsKeyOnly) :
 	m_State(psKeySpace),
 	m_AllowsKeyOnly(a_AllowsKeyOnly)
 {
@@ -93,12 +93,12 @@ cNameValueParser::cNameValueParser(const char * a_Data, int a_Size, bool a_Allow
 
 
 
-void cNameValueParser::Parse(const char * a_Data, int a_Size)
+void cNameValueParser::Parse(const char * a_Data, size_t a_Size)
 {
 	ASSERT(m_State != psFinished);  // Calling Parse() after Finish() is wrong!
 	
 	int Last = 0;
-	for (int i = 0; i < a_Size;)
+	for (size_t i = 0; i < a_Size;)
 	{
 		switch (m_State)
 		{
diff --git a/src/HTTPServer/NameValueParser.h b/src/HTTPServer/NameValueParser.h
index 07dc0b942..9794614fa 100644
--- a/src/HTTPServer/NameValueParser.h
+++ b/src/HTTPServer/NameValueParser.h
@@ -21,10 +21,10 @@ public:
 	cNameValueParser(bool a_AllowsKeyOnly = true);
 	
 	/// Creates an empty parser, then parses the data given. Doesn't call Finish(), so more data can be parsed later
-	cNameValueParser(const char * a_Data, int a_Size, bool a_AllowsKeyOnly = true);
+	cNameValueParser(const char * a_Data, size_t a_Size, bool a_AllowsKeyOnly = true);
 	
 	/// Parses the data given
-	void Parse(const char * a_Data, int a_Size);
+	void Parse(const char * a_Data, size_t a_Size);
 	
 	/// Notifies the parser that no more data will be coming. Returns true if the parser state is valid
 	bool Finish(void);
diff --git a/src/Items/ItemEmptyMap.h b/src/Items/ItemEmptyMap.h
index f0b1e1424..953673382 100644
--- a/src/Items/ItemEmptyMap.h
+++ b/src/Items/ItemEmptyMap.h
@@ -55,7 +55,7 @@ public:
 			return true;
 		}
 
-		a_Player->GetInventory().AddItem(cItem(E_ITEM_MAP, 1, NewMap->GetID()), true, true);
+		a_Player->GetInventory().AddItem(cItem(E_ITEM_MAP, 1, (short)(NewMap->GetID() & 0x7fff)), true, true);
 
 		return true;
 	}
diff --git a/src/Items/ItemFishingRod.h b/src/Items/ItemFishingRod.h
index 15acbd9fe..0431b88b7 100644
--- a/src/Items/ItemFishingRod.h
+++ b/src/Items/ItemFishingRod.h
@@ -123,7 +123,7 @@ public:
 						}
 						case 2:
 						{
-							Drops.Add(cItem(E_ITEM_FISHING_ROD, 1, a_World->GetTickRandomNumber(50))); // Fishing rod with durability. TODO: Enchantments on it
+							Drops.Add(cItem(E_ITEM_FISHING_ROD, 1, (short)a_World->GetTickRandomNumber(50)));  // Fishing rod with durability. TODO: Enchantments on it
 							break;
 						}
 						case 3:
@@ -152,7 +152,7 @@ public:
 					}
 					else if (Junk <= 4)
 					{
-						Drops.Add(cItem(E_ITEM_BOW, 1, a_World->GetTickRandomNumber(64)));
+						Drops.Add(cItem(E_ITEM_BOW, 1, (short)a_World->GetTickRandomNumber(64)));
 					}
 					else if (Junk <= 9)
 					{
diff --git a/src/Items/ItemHandler.cpp b/src/Items/ItemHandler.cpp
index 337b3a83c..1e77717e3 100644
--- a/src/Items/ItemHandler.cpp
+++ b/src/Items/ItemHandler.cpp
@@ -506,13 +506,13 @@ bool cItemHandler::GetPlacementBlockTypeMeta(
 {
 	ASSERT(m_ItemType < 256);  // Items with IDs above 255 should all be handled by specific handlers
 	
-	if (m_ItemType > 256)
+	if (m_ItemType >= 256)
 	{
-		LOGERROR("%s: Item %d has no valid block!", __FUNCTION__, m_ItemType);
+		LOGERROR("%s: Item %d is not eligible for direct block placement!", __FUNCTION__, m_ItemType);
 		return false;
 	}
 	
-	cBlockHandler * BlockH = BlockHandler(m_ItemType);
+	cBlockHandler * BlockH = BlockHandler((BLOCKTYPE)m_ItemType);
 	cChunkInterface ChunkInterface(a_World->GetChunkMap());
 	return BlockH->GetPlacementBlockTypeMeta(
 		ChunkInterface, a_Player,
diff --git a/src/Items/ItemLilypad.h b/src/Items/ItemLilypad.h
index 5a29abe94..8fc1d8543 100644
--- a/src/Items/ItemLilypad.h
+++ b/src/Items/ItemLilypad.h
@@ -16,17 +16,19 @@ class cItemLilypadHandler :
 	typedef cItemHandler super;
 
 public:
-	cItemLilypadHandler(BLOCKTYPE a_BlockType)
-		: cItemHandler(a_BlockType)
+	cItemLilypadHandler(int a_ItemType):
+		super(a_ItemType)
 	{
 
 	}
 
+
 	virtual bool IsPlaceable(void) override
 	{
 		return false; // Set as not placeable so OnItemUse is called
 	}
 
+
 	virtual bool OnItemUse(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_BlockFace) override
 	{
 		if (a_BlockFace > BLOCK_FACE_NONE)
@@ -45,23 +47,22 @@ public:
 			public cBlockTracer::cCallbacks
 		{
 		public:
-			cCallbacks(cWorld * a_World) :
+			cCallbacks(cWorld * a_CBWorld) :
 				m_HasHitFluid(false),
-				m_World(a_World)
+				m_World(a_CBWorld)
 			{
 			}
 
-			virtual bool OnNextBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, char a_EntryFace) override
+			virtual bool OnNextBlock(int a_CBBlockX, int a_CBBlockY, int a_CBBlockZ, BLOCKTYPE a_CBBlockType, NIBBLETYPE a_CBBlockMeta, char a_CBEntryFace) override
 			{
-				if (IsBlockWater(a_BlockType))
+				if (IsBlockWater(a_CBBlockType))
 				{
-					if ((a_BlockMeta != 0) || (a_EntryFace == BLOCK_FACE_NONE)) // The hit block should be a source. The FACE_NONE check is clicking whilst submerged
+					if ((a_CBBlockMeta != 0) || (a_CBEntryFace == BLOCK_FACE_NONE)) // The hit block should be a source. The FACE_NONE check is clicking whilst submerged
 					{
 						return false;
 					}
-					a_EntryFace = BLOCK_FACE_YP; // Always place pad at top of water block
-					AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, (eBlockFace)a_EntryFace);
-					BLOCKTYPE Block = m_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ);
+					AddFaceDirection(a_CBBlockX, a_CBBlockY, a_CBBlockZ, BLOCK_FACE_YP);  // Always place pad at top of water block
+					BLOCKTYPE Block = m_World->GetBlock(a_CBBlockX, a_CBBlockY, a_CBBlockZ);
 					if (
 						!IsBlockWater(Block) &&
 						cBlockInfo::FullyOccupiesVoxel(Block)
@@ -71,7 +72,7 @@ public:
 						return true;
 					}
 					m_HasHitFluid = true;
-					m_Pos.Set(a_BlockX, a_BlockY, a_BlockZ);
+					m_Pos.Set(a_CBBlockX, a_CBBlockY, a_CBBlockZ);
 					return true;
 				}
 				return false;
diff --git a/src/Items/ItemMap.h b/src/Items/ItemMap.h
index e8ff9da88..056fe0fe7 100644
--- a/src/Items/ItemMap.h
+++ b/src/Items/ItemMap.h
@@ -29,7 +29,7 @@ public:
 
 	virtual void OnUpdate(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item)
 	{
-		cMap * Map = a_World->GetMapManager().GetMapData(a_Item.m_ItemDamage);
+		cMap * Map = a_World->GetMapManager().GetMapData((unsigned)a_Item.m_ItemDamage);
 
 		if (Map == NULL)
 		{
diff --git a/src/Noise.cpp b/src/Noise.cpp
index a97ea70c6..32922c8f3 100644
--- a/src/Noise.cpp
+++ b/src/Noise.cpp
@@ -425,7 +425,7 @@ void cCubicCell3D::Move(int a_NewFloorX, int a_NewFloorY, int a_NewFloorZ)
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // cNoise:
 
-cNoise::cNoise(unsigned int a_Seed) :
+cNoise::cNoise(int a_Seed) :
 	m_Seed(a_Seed)
 {
 }
diff --git a/src/Noise.h b/src/Noise.h
index ea72c64e9..62004503f 100644
--- a/src/Noise.h
+++ b/src/Noise.h
@@ -25,7 +25,7 @@
 class cNoise
 {
 public:
-	cNoise(unsigned int a_Seed);
+	cNoise(int a_Seed);
 	cNoise(const cNoise & a_Noise);
 
 	// The following functions, if not marked INLINE, are about 20 % slower
@@ -47,14 +47,14 @@ public:
 
 	NOISE_DATATYPE CubicNoise3D (NOISE_DATATYPE a_X, NOISE_DATATYPE a_Y, NOISE_DATATYPE a_Z) const;
 
-	void SetSeed(unsigned int a_Seed) { m_Seed = a_Seed; }
+	void SetSeed(int a_Seed) { m_Seed = a_Seed; }
 
 	INLINE static NOISE_DATATYPE CubicInterpolate (NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_C, NOISE_DATATYPE a_D, NOISE_DATATYPE a_Pct);
 	INLINE static NOISE_DATATYPE CosineInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_Pct);
 	INLINE static NOISE_DATATYPE LinearInterpolate(NOISE_DATATYPE a_A, NOISE_DATATYPE a_B, NOISE_DATATYPE a_Pct);
 
 private:
-	unsigned int m_Seed;
+	int m_Seed;
 } ;
 
 
diff --git a/src/OSSupport/SocketThreads.h b/src/OSSupport/SocketThreads.h
index b2eb5950f..679e374e1 100644
--- a/src/OSSupport/SocketThreads.h
+++ b/src/OSSupport/SocketThreads.h
@@ -64,7 +64,7 @@ public:
 		virtual ~cCallback() {}
 		
 		/** Called when data is received from the remote party */
-		virtual void DataReceived(const char * a_Data, int a_Size) = 0;
+		virtual void DataReceived(const char * a_Data, size_t a_Size) = 0;
 		
 		/** Called when data can be sent to remote party
 		The function is supposed to *set* outgoing data to a_Data (overwrite) */
diff --git a/src/Protocol/ChunkDataSerializer.cpp b/src/Protocol/ChunkDataSerializer.cpp
index 78318a5ee..ebe61631b 100644
--- a/src/Protocol/ChunkDataSerializer.cpp
+++ b/src/Protocol/ChunkDataSerializer.cpp
@@ -105,7 +105,7 @@ void cChunkDataSerializer::Serialize29(AString & a_Data)
 	a_Data.append((const char *)&BitMap1, sizeof(short));
 	a_Data.append((const char *)&BitMap2, sizeof(short));
 	
-	Int32 CompressedSizeBE = htonl(CompressedSize);
+	UInt32 CompressedSizeBE = htonl((UInt32)CompressedSize);
 	a_Data.append((const char *)&CompressedSizeBE, sizeof(CompressedSizeBE));
 	
 	Int32 UnusedInt32 = 0;
@@ -163,7 +163,7 @@ void cChunkDataSerializer::Serialize39(AString & a_Data)
 	a_Data.append((const char *)&BitMap1, sizeof(short));
 	a_Data.append((const char *)&BitMap2, sizeof(short));
 	
-	Int32 CompressedSizeBE = htonl(CompressedSize);
+	UInt32 CompressedSizeBE = htonl((UInt32)CompressedSize);
 	a_Data.append((const char *)&CompressedSizeBE, sizeof(CompressedSizeBE));
 	
 	// Unlike 29, 39 doesn't have the "unused" int
diff --git a/src/Protocol/Protocol.h b/src/Protocol/Protocol.h
index d3383bf0d..ae06f2f9e 100644
--- a/src/Protocol/Protocol.h
+++ b/src/Protocol/Protocol.h
@@ -132,7 +132,7 @@ protected:
 	cCriticalSection m_CSPacket;  //< Each SendXYZ() function must acquire this CS in order to send the whole packet at once
 	
 	/// A generic data-sending routine, all outgoing packet data needs to be routed through this so that descendants may override it
-	virtual void SendData(const char * a_Data, int a_Size) = 0;
+	virtual void SendData(const char * a_Data, size_t a_Size) = 0;
 	
 	/// Called after writing each packet, enables descendants to flush their buffers
 	virtual void Flush(void) {};
@@ -143,10 +143,15 @@ protected:
 		SendData((const char *)&a_Value, 1);
 	}
 	
+	void WriteChar(char a_Value)
+	{
+		SendData(&a_Value, 1);
+	}
+	
 	void WriteShort(short a_Value)
 	{
-		a_Value = htons(a_Value);
-		SendData((const char *)&a_Value, 2);
+		u_short Value = htons((u_short)a_Value);
+		SendData((const char *)&Value, 2);
 	}
 	
 	/*
@@ -159,8 +164,8 @@ protected:
 	
 	void WriteInt(int a_Value)
 	{
-		a_Value = htonl(a_Value);
-		SendData((const char *)&a_Value, 4);
+		u_long Value = htonl((u_long)a_Value);
+		SendData((const char *)&Value, 4);
 	}
 	
 	void WriteUInt(unsigned int a_Value)
@@ -171,19 +176,19 @@ protected:
 	
 	void WriteInt64 (Int64 a_Value)
 	{
-		a_Value = HostToNetwork8(&a_Value);
-		SendData((const char *)&a_Value, 8);
+		UInt64 Value = HostToNetwork8(&a_Value);
+		SendData((const char *)Value, 8);
 	}
 	
 	void WriteFloat (float a_Value)
 	{
-		unsigned int val = HostToNetwork4(&a_Value);
+		UInt32 val = HostToNetwork4(&a_Value);
 		SendData((const char *)&val, 4);
 	}
 	
 	void WriteDouble(double a_Value)
 	{
-		unsigned long long val = HostToNetwork8(&a_Value);
+		UInt64 val = HostToNetwork8(&a_Value);
 		SendData((const char *)&val, 8);
 	}
 	
@@ -191,7 +196,7 @@ protected:
 	{
 		AString UTF16;
 		UTF8ToRawBEUTF16(a_Value.c_str(), a_Value.length(), UTF16);
-		WriteShort((unsigned short)(UTF16.size() / 2));
+		WriteShort((short)(UTF16.size() / 2));
 		SendData(UTF16.data(), UTF16.size());
 	}
 	
@@ -211,7 +216,7 @@ protected:
 	{
 		// A 32-bit integer can be encoded by at most 5 bytes:
 		unsigned char b[5];
-		int idx = 0;
+		size_t idx = 0;
 		do
 		{
 			b[idx] = (a_Value & 0x7f) | ((a_Value > 0x7f) ? 0x80 : 0x00);
@@ -224,7 +229,7 @@ protected:
 	
 	void WriteVarUTF8String(const AString & a_String)
 	{
-		WriteVarInt(a_String.size());
+		WriteVarInt((UInt32)a_String.size());
 		SendData(a_String.data(), a_String.size());
 	}
 } ;
diff --git a/src/Protocol/Protocol125.cpp b/src/Protocol/Protocol125.cpp
index fe6280218..bf946ef19 100644
--- a/src/Protocol/Protocol125.cpp
+++ b/src/Protocol/Protocol125.cpp
@@ -161,8 +161,8 @@ void cProtocol125::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, cha
 	WriteInt  (a_BlockX);
 	WriteShort((short)a_BlockY);
 	WriteInt  (a_BlockZ);
-	WriteByte (a_Byte1);
-	WriteByte (a_Byte2);
+	WriteChar (a_Byte1);
+	WriteChar (a_Byte2);
 	Flush();
 }
 
@@ -209,12 +209,12 @@ void cProtocol125::SendBlockChanges(int a_ChunkX, int a_ChunkZ, const sSetBlockV
 	WriteByte (PACKET_MULTI_BLOCK);
 	WriteInt  (a_ChunkX);
 	WriteInt  (a_ChunkZ);
-	WriteShort((unsigned short)a_Changes.size());
-	WriteUInt (sizeof(int) * a_Changes.size());
+	WriteShort((short)a_Changes.size());
+	WriteUInt ((UInt32)(4 * a_Changes.size()));
 	for (sSetBlockVector::const_iterator itr = a_Changes.begin(), end = a_Changes.end(); itr != end; ++itr)
 	{
-		unsigned int Coords = itr->y | (itr->z << 8) | (itr->x << 12);
-		unsigned int Blocks = itr->BlockMeta | (itr->BlockType << 4);
+		UInt32 Coords = ((UInt32)itr->y) | ((UInt32)(itr->z << 8)) | ((UInt32)(itr->x << 12));
+		UInt32 Blocks = ((UInt32)itr->BlockMeta) | ((UInt32)(itr->BlockType << 4));
 		WriteUInt(Coords << 16 | Blocks);
 	}
 	Flush();
@@ -325,8 +325,8 @@ void cProtocol125::SendEntityEffect(const cEntity & a_Entity, int a_EffectID, in
 	cCSLock Lock(m_CSPacket);
 	WriteByte (PACKET_ENTITY_EFFECT);
 	WriteInt  (a_Entity.GetUniqueID());
-	WriteByte (a_EffectID);
-	WriteByte (a_Amplifier);
+	WriteByte ((Byte)a_EffectID);
+	WriteByte ((Byte)a_Amplifier);
 	WriteShort(a_Duration);
 	Flush();
 }
@@ -357,7 +357,7 @@ void cProtocol125::SendEntityHeadLook(const cEntity & a_Entity)
 	cCSLock Lock(m_CSPacket);
 	WriteByte(PACKET_ENT_HEAD_LOOK);
 	WriteInt (a_Entity.GetUniqueID());
-	WriteByte((char)((a_Entity.GetHeadYaw() / 360.f) * 256));
+	WriteChar((char)((a_Entity.GetHeadYaw() / 360.f) * 256));
 	Flush();
 }
 
@@ -372,8 +372,8 @@ void cProtocol125::SendEntityLook(const cEntity & a_Entity)
 	cCSLock Lock(m_CSPacket);
 	WriteByte(PACKET_ENT_LOOK);
 	WriteInt (a_Entity.GetUniqueID());
-	WriteByte((char)((a_Entity.GetYaw()   / 360.f) * 256));
-	WriteByte((char)((a_Entity.GetPitch() / 360.f) * 256));
+	WriteChar((char)((a_Entity.GetYaw()   / 360.f) * 256));
+	WriteChar((char)((a_Entity.GetPitch() / 360.f) * 256));
 	Flush();
 }
 
@@ -421,9 +421,9 @@ void cProtocol125::SendEntityRelMove(const cEntity & a_Entity, char a_RelX, char
 	cCSLock Lock(m_CSPacket);
 	WriteByte(PACKET_ENT_REL_MOVE);
 	WriteInt (a_Entity.GetUniqueID());
-	WriteByte(a_RelX);
-	WriteByte(a_RelY);
-	WriteByte(a_RelZ);
+	WriteChar(a_RelX);
+	WriteChar(a_RelY);
+	WriteChar(a_RelZ);
 	Flush();
 }
 
@@ -438,11 +438,11 @@ void cProtocol125::SendEntityRelMoveLook(const cEntity & a_Entity, char a_RelX,
 	cCSLock Lock(m_CSPacket);
 	WriteByte(PACKET_ENT_REL_MOVE_LOOK);
 	WriteInt (a_Entity.GetUniqueID());
-	WriteByte(a_RelX);
-	WriteByte(a_RelY);
-	WriteByte(a_RelZ);
-	WriteByte((char)((a_Entity.GetYaw()   / 360.f) * 256));
-	WriteByte((char)((a_Entity.GetPitch() / 360.f) * 256));
+	WriteChar(a_RelX);
+	WriteChar(a_RelY);
+	WriteChar(a_RelZ);
+	WriteChar((char)((a_Entity.GetYaw()   / 360.f) * 256));
+	WriteChar((char)((a_Entity.GetPitch() / 360.f) * 256));
 	Flush();
 }
 
@@ -455,7 +455,7 @@ void cProtocol125::SendEntityStatus(const cEntity & a_Entity, char a_Status)
 	cCSLock Lock(m_CSPacket);
 	WriteByte(PACKET_ENT_STATUS);
 	WriteInt (a_Entity.GetUniqueID());
-	WriteByte(a_Status);
+	WriteChar(a_Status);
 	Flush();
 }
 
@@ -488,7 +488,7 @@ void cProtocol125::SendExplosion(double a_BlockX, double a_BlockY, double a_Bloc
 	WriteDouble (a_BlockY);
 	WriteDouble (a_BlockZ);
 	WriteFloat  (a_Radius);
-	WriteInt    (a_BlocksAffected.size());
+	WriteInt    ((Int32)a_BlocksAffected.size());
 	int BlockX = (int)a_BlockX;
 	int BlockY = (int)a_BlockY;
 	int BlockZ = (int)a_BlockZ;
@@ -513,7 +513,7 @@ void cProtocol125::SendGameMode(eGameMode a_GameMode)
 	cCSLock Lock(m_CSPacket);
 	WriteByte(PACKET_CHANGE_GAME_STATE);
 	WriteByte(3);
-	WriteByte((char)a_GameMode);
+	WriteChar((char)a_GameMode);
 	Flush();
 }
 
@@ -538,7 +538,7 @@ void cProtocol125::SendHealth(void)
 	cCSLock Lock(m_CSPacket);
 	WriteByte (PACKET_UPDATE_HEALTH);
 	WriteShort((short)m_Client->GetPlayer()->GetHealth());
-	WriteShort(m_Client->GetPlayer()->GetFoodLevel());
+	WriteShort((short)m_Client->GetPlayer()->GetFoodLevel());
 	WriteFloat((float)m_Client->GetPlayer()->GetFoodSaturationLevel());
 	Flush();
 }
@@ -551,7 +551,7 @@ void cProtocol125::SendInventorySlot(char a_WindowID, short a_SlotNum, const cIt
 {
 	cCSLock Lock(m_CSPacket);
 	WriteByte (PACKET_INVENTORY_SLOT);
-	WriteByte (a_WindowID);
+	WriteChar (a_WindowID);
 	WriteShort(a_SlotNum);
 	WriteItem (a_Item);
 	Flush();
@@ -600,17 +600,14 @@ void cProtocol125::SendMapColumn(int a_ID, int a_X, int a_Y, const Byte * a_Colo
 
 	WriteByte (PACKET_ITEM_DATA);
 	WriteShort(E_ITEM_MAP);
-	WriteShort(a_ID);
-	WriteShort(3 + a_Length);
+	WriteShort((short)a_ID);
+	WriteShort((short)(3 + a_Length));
 
 	WriteByte(0);
-	WriteByte(a_X);
-	WriteByte(a_Y);
+	WriteChar((char)a_X);
+	WriteChar((char)a_Y);
 	
-	for (unsigned int i = 0; i < a_Length; ++i)
-	{
-		WriteByte(a_Colors[i]);
-	}
+	SendData((const char *)a_Colors, a_Length);
 
 	Flush();
 }
@@ -625,16 +622,16 @@ void cProtocol125::SendMapDecorators(int a_ID, const cMapDecoratorList & a_Decor
 
 	WriteByte (PACKET_ITEM_DATA);
 	WriteShort(E_ITEM_MAP);
-	WriteShort(a_ID);
-	WriteShort(1 + (3 * a_Decorators.size()));
+	WriteShort((short)a_ID);
+	WriteShort((short)(1 + (3 * a_Decorators.size())));
 
 	WriteByte(1);
 	
 	for (cMapDecoratorList::const_iterator it = a_Decorators.begin(); it != a_Decorators.end(); ++it)
 	{
-		WriteByte((it->GetType() << 4) | (it->GetRot() & 0xf));
-		WriteByte(it->GetPixelX());
-		WriteByte(it->GetPixelZ());
+		WriteByte((Byte)(it->GetType() << 4) | (it->GetRot() & 0xf));
+		WriteByte((Byte)it->GetPixelX());
+		WriteByte((Byte)it->GetPixelZ());
 	}
 
 	Flush();
@@ -651,7 +648,7 @@ void cProtocol125::SendPickupSpawn(const cPickup & a_Pickup)
 	WriteByte   (PACKET_PICKUP_SPAWN);
 	WriteInt    (a_Pickup.GetUniqueID());
 	WriteShort  (a_Pickup.GetItem().m_ItemType);
-	WriteByte   (a_Pickup.GetItem().m_ItemCount);
+	WriteChar   (a_Pickup.GetItem().m_ItemCount);
 	WriteShort  (a_Pickup.GetItem().m_ItemDamage);
 	WriteVectorI((Vector3i)(a_Pickup.GetPosition() * 32));
 	WriteByte   ((char)(a_Pickup.GetSpeed().x * 8));
@@ -669,7 +666,7 @@ void cProtocol125::SendEntityAnimation(const cEntity & a_Entity, char a_Animatio
 	cCSLock Lock(m_CSPacket);
 	WriteByte(PACKET_ANIMATION);
 	WriteInt (a_Entity.GetUniqueID());
-	WriteByte(a_Animation);
+	WriteChar(a_Animation);
 	Flush();
 }
 
@@ -763,8 +760,8 @@ void cProtocol125::SendPlayerSpawn(const cPlayer & a_Player)
 	WriteInt   ((int)(a_Player.GetPosX() * 32));
 	WriteInt   ((int)(a_Player.GetPosY() * 32));
 	WriteInt   ((int)(a_Player.GetPosZ() * 32));
-	WriteByte  ((char)((a_Player.GetYaw()   / 360.f) * 256));
-	WriteByte  ((char)((a_Player.GetPitch() / 360.f) * 256));
+	WriteChar  ((char)((a_Player.GetYaw()   / 360.f) * 256));
+	WriteChar  ((char)((a_Player.GetPitch() / 360.f) * 256));
 	WriteShort (HeldItem.IsEmpty() ? 0 : HeldItem.m_ItemType);
 	Flush();
 }
@@ -790,9 +787,9 @@ void cProtocol125::SendPluginMessage(const AString & a_Channel, const AString &
 void cProtocol125::SendRemoveEntityEffect(const cEntity & a_Entity, int a_EffectID)
 {
 	cCSLock Lock(m_CSPacket);
-	WriteByte  (PACKET_REMOVE_ENTITY_EFFECT);
-	WriteInt   (a_Entity.GetUniqueID());
-	WriteByte  (a_EffectID);
+	WriteByte(PACKET_REMOVE_ENTITY_EFFECT);
+	WriteInt (a_Entity.GetUniqueID());
+	WriteChar((char)a_EffectID);
 	Flush();
 }
 
@@ -806,7 +803,7 @@ void cProtocol125::SendRespawn(void)
 	WriteByte  (PACKET_RESPAWN);
 	WriteInt   ((int)(m_Client->GetPlayer()->GetWorld()->GetDimension()));
 	WriteByte  (2);  // TODO: Difficulty; 2 = Normal
-	WriteByte  ((char)m_Client->GetPlayer()->GetGameMode());
+	WriteChar  ((char)m_Client->GetPlayer()->GetGameMode());
 	WriteShort (256);  // Current world height
 	WriteString("default");
 }
@@ -837,7 +834,7 @@ void cProtocol125::SendExperienceOrb(const cExpOrb & a_ExpOrb)
 	WriteInt((int) a_ExpOrb.GetPosX());
 	WriteInt((int) a_ExpOrb.GetPosY());
 	WriteInt((int) a_ExpOrb.GetPosZ());
-	WriteShort(a_ExpOrb.GetReward());
+	WriteShort((short)a_ExpOrb.GetReward());
 	Flush();
 }
 
@@ -878,7 +875,7 @@ void cProtocol125::SendSpawnMob(const cMonster & a_Mob)
 	cCSLock Lock(m_CSPacket);
 	WriteByte   (PACKET_SPAWN_MOB);
 	WriteInt    (a_Mob.GetUniqueID());
-	WriteByte   (a_Mob.GetMobType());
+	WriteByte   ((Byte)a_Mob.GetMobType());
 	WriteVectorI((Vector3i)(a_Mob.GetPosition() * 32));
 	WriteByte   (0);
 	WriteByte   (0);
@@ -903,7 +900,7 @@ void cProtocol125::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType,
 	cCSLock Lock(m_CSPacket);
 	WriteByte(PACKET_SPAWN_OBJECT);
 	WriteInt (a_Entity.GetUniqueID());
-	WriteByte(a_ObjectType);
+	WriteChar(a_ObjectType);
 	WriteInt ((int)(a_Entity.GetPosX() * 32));
 	WriteInt ((int)(a_Entity.GetPosY() * 32));
 	WriteInt ((int)(a_Entity.GetPosZ() * 32));
@@ -928,7 +925,7 @@ void cProtocol125::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleTyp
 	cCSLock Lock(m_CSPacket);
 	WriteByte (PACKET_SPAWN_OBJECT);
 	WriteInt  (a_Vehicle.GetUniqueID());
-	WriteByte (a_VehicleType);
+	WriteChar (a_VehicleType);
 	WriteInt  ((int)(a_Vehicle.GetPosX() * 32));
 	WriteInt  ((int)(a_Vehicle.GetPosY() * 32));
 	WriteInt  ((int)(a_Vehicle.GetPosZ() * 32));
@@ -966,8 +963,8 @@ void cProtocol125::SendTeleportEntity(const cEntity & a_Entity)
 	WriteInt    ((int)(floor(a_Entity.GetPosX() * 32)));
 	WriteInt    ((int)(floor(a_Entity.GetPosY() * 32)));
 	WriteInt    ((int)(floor(a_Entity.GetPosZ() * 32)));
-	WriteByte   ((char)((a_Entity.GetYaw() / 360.f) * 256));
-	WriteByte   ((char)((a_Entity.GetPitch() / 360.f) * 256));
+	WriteChar   ((char)((a_Entity.GetYaw() / 360.f) * 256));
+	WriteChar   ((char)((a_Entity.GetPitch() / 360.f) * 256));
 	Flush();
 }
 
@@ -1042,7 +1039,7 @@ void cProtocol125::SendUseBed(const cEntity & a_Entity, int a_BlockX, int a_Bloc
 	WriteInt (a_Entity.GetUniqueID());
 	WriteByte(0);	// Unknown byte only 0 has been observed
 	WriteInt (a_BlockX);
-	WriteByte(a_BlockY);
+	WriteByte((Byte)a_BlockY);
 	WriteInt (a_BlockZ);
 	Flush();
 }
@@ -1086,7 +1083,7 @@ void cProtocol125::SendWholeInventory(const cWindow & a_Window)
 	cCSLock Lock(m_CSPacket);
 	cItems Slots;
 	a_Window.GetSlots(*(m_Client->GetPlayer()), Slots);
-	SendWindowSlots(a_Window.GetWindowID(), Slots.size(), &(Slots[0]));
+	SendWindowSlots(a_Window.GetWindowID(), (int)Slots.size(), &(Slots[0]));
 }
 
 
@@ -1103,7 +1100,7 @@ void cProtocol125::SendWindowClose(const cWindow & a_Window)
 	
 	cCSLock Lock(m_CSPacket);
 	WriteByte(PACKET_WINDOW_CLOSE);
-	WriteByte(a_Window.GetWindowID());
+	WriteChar(a_Window.GetWindowID());
 	Flush();
 }
 
@@ -1120,10 +1117,10 @@ void cProtocol125::SendWindowOpen(const cWindow & a_Window)
 	}
 	cCSLock Lock(m_CSPacket);
 	WriteByte  (PACKET_WINDOW_OPEN);
-	WriteByte  (a_Window.GetWindowID());
-	WriteByte  (a_Window.GetWindowType());
+	WriteChar  (a_Window.GetWindowID());
+	WriteByte  ((Byte)a_Window.GetWindowType());
 	WriteString(a_Window.GetWindowTitle());
-	WriteByte  (a_Window.GetNumNonInventorySlots());
+	WriteByte  ((Byte)a_Window.GetNumNonInventorySlots());
 	Flush();
 }
 
@@ -1135,7 +1132,7 @@ void cProtocol125::SendWindowProperty(const cWindow & a_Window, short a_Property
 {
 	cCSLock Lock(m_CSPacket);
 	WriteByte (PACKET_WINDOW_PROPERTY);
-	WriteByte (a_Window.GetWindowID());
+	WriteChar (a_Window.GetWindowID());
 	WriteShort(a_Property);
 	WriteShort(a_Value);
 	Flush();
@@ -1156,7 +1153,7 @@ AString cProtocol125::GetAuthServerID(void)
 
 
 
-void cProtocol125::SendData(const char * a_Data, int a_Size)
+void cProtocol125::SendData(const char * a_Data, size_t a_Size)
 {
 	m_Client->SendData(a_Data, a_Size);
 }
@@ -1527,7 +1524,7 @@ int cProtocol125::ParsePluginMessage(void)
 	HANDLE_PACKET_READ(ReadBEUTF16String16, AString, ChannelName);
 	HANDLE_PACKET_READ(ReadBEShort,         short,   Length);
 	AString Data;
-	if (!m_ReceivedData.ReadString(Data, Length))
+	if (!m_ReceivedData.ReadString(Data, (size_t)Length))
 	{
 		m_ReceivedData.CheckValid();
 		return PARSE_INCOMPLETE;
@@ -1688,7 +1685,7 @@ void cProtocol125::SendPreChunk(int a_ChunkX, int a_ChunkZ, bool a_ShouldLoad)
 void cProtocol125::SendWindowSlots(char a_WindowID, int a_NumItems, const cItem * a_Items)
 {
 	WriteByte (PACKET_INVENTORY_WHOLE);
-	WriteByte (a_WindowID);
+	WriteChar (a_WindowID);
 	WriteShort((short)a_NumItems);
 
 	for (int j = 0; j < a_NumItems; j++)
@@ -1718,7 +1715,7 @@ void cProtocol125::WriteItem(const cItem & a_Item)
 		return;
 	}
 	
-	WriteByte (a_Item.m_ItemCount);
+	WriteChar (a_Item.m_ItemCount);
 	WriteShort(a_Item.m_ItemDamage);
 	
 	if (cItem::IsEnchantable(a_Item.m_ItemType))
@@ -1765,7 +1762,7 @@ int cProtocol125::ParseItem(cItem & a_Item)
 	}
 		
 	// TODO: Enchantment not implemented yet!
-	if (!m_ReceivedData.SkipRead(EnchantNumBytes))
+	if (!m_ReceivedData.SkipRead((size_t)EnchantNumBytes))
 	{
 		return PARSE_INCOMPLETE;
 	}
@@ -1850,7 +1847,7 @@ void cProtocol125::WriteMobMetadata(const cMonster & a_Mob)
 		case cMonster::mtCreeper:
 		{
 			WriteByte(0x10);
-			WriteByte(((const cCreeper &)a_Mob).IsBlowing() ? 1 : -1); // Blowing up?
+			WriteChar(((const cCreeper &)a_Mob).IsBlowing() ? 1 : -1); // Blowing up?
 			WriteByte(0x11);
 			WriteByte(((const cCreeper &)a_Mob).IsCharged() ? 1 : 0); // Lightning-charged?
 			break;
@@ -1920,9 +1917,9 @@ void cProtocol125::WriteMobMetadata(const cMonster & a_Mob)
 
 			WriteByte(0x10);
 			Byte SheepMetadata = 0;
-			SheepMetadata = ((const cSheep &)a_Mob).GetFurColor(); // Fur colour
+			SheepMetadata = (Byte)((const cSheep &)a_Mob).GetFurColor();
 
-			if (((const cSheep &)a_Mob).IsSheared()) // Is sheared?
+			if (((const cSheep &)a_Mob).IsSheared())
 			{
 				SheepMetadata |= 0x16;
 			}
@@ -1954,7 +1951,7 @@ void cProtocol125::WriteMobMetadata(const cMonster & a_Mob)
 		case cMonster::mtWither:
 		{
 			WriteByte(0x54); // Int at index 20
-			WriteInt(((const cWither &)a_Mob).GetNumInvulnerableTicks());
+			WriteInt((Int32)((const cWither &)a_Mob).GetNumInvulnerableTicks());
 			WriteByte(0x66); // Float at index 6
 			WriteFloat((float)(a_Mob.GetHealth()));
 			break;
@@ -1965,11 +1962,11 @@ void cProtocol125::WriteMobMetadata(const cMonster & a_Mob)
 			WriteByte(0x10);
 			if (a_Mob.GetMobType() == cMonster::mtSlime)
 			{
-				WriteByte(((const cSlime &)a_Mob).GetSize()); // Size of slime - HEWGE, meh, cute BABBY SLIME
+				WriteByte((Byte)((const cSlime &)a_Mob).GetSize()); // Size of slime - HEWGE, meh, cute BABBY SLIME
 			}
 			else
 			{
-				WriteByte(((const cMagmaCube &)a_Mob).GetSize()); // Size of slime - HEWGE, meh, cute BABBY SLIME
+				WriteByte((Byte)((const cMagmaCube &)a_Mob).GetSize()); // Size of slime - HEWGE, meh, cute BABBY SLIME
 			}
 			break;
 		}
@@ -2008,7 +2005,7 @@ void cProtocol125::WriteMobMetadata(const cMonster & a_Mob)
 			WriteInt(Flags);
 
 			WriteByte(0x13);
-			WriteByte(((const cHorse &)a_Mob).GetHorseType()); // Type of horse (donkey, chestnut, etc.)
+			WriteByte((Byte)((const cHorse &)a_Mob).GetHorseType()); // Type of horse (donkey, chestnut, etc.)
 
 			WriteByte(0x54);
 			int Appearance = 0;
@@ -2020,6 +2017,10 @@ void cProtocol125::WriteMobMetadata(const cMonster & a_Mob)
 			WriteInt(((const cHorse &)a_Mob).GetHorseArmour()); // Horshey armour
 			break;
 		}
+		default:
+		{
+			break;
+		}
 	}
 }
 
diff --git a/src/Protocol/Protocol125.h b/src/Protocol/Protocol125.h
index aca24c03a..08d3ebbe9 100644
--- a/src/Protocol/Protocol125.h
+++ b/src/Protocol/Protocol125.h
@@ -125,7 +125,7 @@ protected:
 	
 	AString m_Username;  ///< Stored in ParseHandshake(), compared to Login username
 	
-	virtual void SendData(const char * a_Data, int a_Size) override;
+	virtual void SendData(const char * a_Data, size_t a_Size) override;
 	
 	/// Sends the Handshake packet
 	void SendHandshake(const AString & a_ConnectionHash);
diff --git a/src/Protocol/Protocol132.cpp b/src/Protocol/Protocol132.cpp
index be9c503ed..ce5942a5c 100644
--- a/src/Protocol/Protocol132.cpp
+++ b/src/Protocol/Protocol132.cpp
@@ -115,7 +115,7 @@ void cProtocol132::DataReceived(const char * a_Data, size_t a_Size)
 		Byte Decrypted[512];
 		while (a_Size > 0)
 		{
-			int NumBytes = (a_Size > (int)sizeof(Decrypted)) ? (int)sizeof(Decrypted) : a_Size;
+			size_t NumBytes = (a_Size > sizeof(Decrypted)) ? sizeof(Decrypted) : a_Size;
 			m_Decryptor.ProcessData(Decrypted, (Byte *)a_Data, NumBytes);
 			super::DataReceived((const char *)Decrypted, NumBytes);
 			a_Size -= NumBytes;
@@ -139,8 +139,8 @@ void cProtocol132::SendBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, cha
 	WriteInt  (a_BlockX);
 	WriteShort((short)a_BlockY);
 	WriteInt  (a_BlockZ);
-	WriteByte (a_Byte1);
-	WriteByte (a_Byte2);
+	WriteChar (a_Byte1);
+	WriteChar (a_Byte2);
 	WriteShort(a_BlockType);
 	Flush();
 }
@@ -157,7 +157,7 @@ void cProtocol132::SendBlockBreakAnim(int a_entityID, int a_BlockX, int a_BlockY
 	WriteInt    (a_BlockX);
 	WriteInt    (a_BlockY);
 	WriteInt    (a_BlockZ);
-	WriteByte   (stage);
+	WriteChar   (stage);
 	Flush();
 }
 
@@ -259,7 +259,7 @@ void cProtocol132::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
 	WriteByte  (PACKET_LOGIN);
 	WriteInt   (a_Player.GetUniqueID());  // EntityID of the player
 	WriteString("default");  // Level type
-	WriteByte  ((int)a_Player.GetGameMode());
+	WriteByte  ((Byte)a_Player.GetGameMode());
 	WriteByte  ((Byte)(a_World.GetDimension()));
 	WriteByte  (2);  // TODO: Difficulty
 	WriteByte  (0);  // Unused, used to be world height
@@ -283,8 +283,8 @@ void cProtocol132::SendPlayerSpawn(const cPlayer & a_Player)
 	WriteInt   ((int)(a_Player.GetPosX() * 32));
 	WriteInt   ((int)(a_Player.GetPosY() * 32));
 	WriteInt   ((int)(a_Player.GetPosZ() * 32));
-	WriteByte  ((char)((a_Player.GetYaw()   / 360.f) * 256));
-	WriteByte  ((char)((a_Player.GetPitch() / 360.f) * 256));
+	WriteChar  ((char)((a_Player.GetYaw()   / 360.f) * 256));
+	WriteChar  ((char)((a_Player.GetPitch() / 360.f) * 256));
 	WriteShort (HeldItem.IsEmpty() ? 0 : HeldItem.m_ItemType);
 	// Player metadata: just use a default metadata value, since the client doesn't like starting without any metadata:
 	WriteByte  (0);  // Index 0, byte (flags)
@@ -306,7 +306,7 @@ void cProtocol132::SendSoundEffect(const AString & a_SoundName, int a_SrcX, int
 	WriteInt    (a_SrcY);
 	WriteInt    (a_SrcZ);
 	WriteFloat  (a_Volume);
-	WriteByte   ((char)(a_Pitch * 63.0f));
+	WriteChar   ((char)(a_Pitch * 63.0f));
 	Flush();
 }
 
@@ -320,7 +320,7 @@ void cProtocol132::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_Src
 	WriteByte(PACKET_SOUND_PARTICLE_EFFECT);
 	WriteInt (a_EffectID);
 	WriteInt (a_SrcX);
-	WriteByte(a_SrcY);
+	WriteByte((Byte)a_SrcY);
 	WriteInt (a_SrcZ);
 	WriteInt (a_Data);
 	Flush();
@@ -335,7 +335,7 @@ void cProtocol132::SendSpawnMob(const cMonster & a_Mob)
 	cCSLock Lock(m_CSPacket);
 	WriteByte   (PACKET_SPAWN_MOB);
 	WriteInt    (a_Mob.GetUniqueID());
-	WriteByte   (a_Mob.GetMobType());
+	WriteByte   ((Byte)a_Mob.GetMobType());
 	WriteVectorI((Vector3i)(a_Mob.GetPosition() * 32));
 	WriteByte   ((Byte)((a_Mob.GetYaw()     / 360.f) * 256));
 	WriteByte   ((Byte)((a_Mob.GetPitch()   / 360.f) * 256));
@@ -411,12 +411,12 @@ void cProtocol132::SendWholeInventory(const cWindow & a_Window)
 	const cInventory & Inventory = m_Client->GetPlayer()->GetInventory();
 	int BaseOffset = a_Window.GetNumSlots() - (cInventory::invNumSlots - cInventory::invInventoryOffset);  // Number of non-inventory slots
 	char WindowID = a_Window.GetWindowID();
-	for (int i = 0; i < cInventory::invInventoryCount; i++)
+	for (short i = 0; i < cInventory::invInventoryCount; i++)
 	{
 		SendInventorySlot(WindowID, BaseOffset + i, Inventory.GetInventorySlot(i));
 	}  // for i - Inventory[]
 	BaseOffset += cInventory::invInventoryCount;
-	for (int i = 0; i < cInventory::invHotbarCount; i++)
+	for (short i = 0; i < cInventory::invHotbarCount; i++)
 	{
 		SendInventorySlot(WindowID, BaseOffset + i, Inventory.GetHotbarSlot(i));
 	}  // for i - Hotbar[]
@@ -527,21 +527,30 @@ int cProtocol132::ParseClientStatuses(void)
 
 int cProtocol132::ParseEncryptionKeyResponse(void)
 {
+	// Read the encryption key:
 	HANDLE_PACKET_READ(ReadBEShort, short, EncKeyLength);
+	if (EncKeyLength > MAX_ENC_LEN)
+	{
+		LOGD("Too long encryption key");
+		m_Client->Kick("Hacked client");
+		return PARSE_OK;
+	}
 	AString EncKey;
-	if (!m_ReceivedData.ReadString(EncKey, EncKeyLength))
+	if (!m_ReceivedData.ReadString(EncKey, (size_t)EncKeyLength))
 	{
 		return PARSE_INCOMPLETE;
 	}
+	
+	// Read the encryption nonce:
 	HANDLE_PACKET_READ(ReadBEShort, short, EncNonceLength);
 	AString EncNonce;
-	if (!m_ReceivedData.ReadString(EncNonce, EncNonceLength))
+	if (!m_ReceivedData.ReadString(EncNonce, (size_t)EncNonceLength))
 	{
 		return PARSE_INCOMPLETE;
 	}
-	if ((EncKeyLength > MAX_ENC_LEN) || (EncNonceLength > MAX_ENC_LEN))
+	if (EncNonceLength > MAX_ENC_LEN)
 	{
-		LOGD("Too long encryption");
+		LOGD("Too long encryption nonce");
 		m_Client->Kick("Hacked client");
 		return PARSE_OK;
 	}
@@ -605,7 +614,7 @@ int cProtocol132::ParseTabCompletion(void)
 
 
 
-void cProtocol132::SendData(const char * a_Data, int a_Size)
+void cProtocol132::SendData(const char * a_Data, size_t a_Size)
 {
 	m_DataToSend.append(a_Data, a_Size);
 }
@@ -623,23 +632,23 @@ void cProtocol132::Flush(void)
 		LOGD("Flushing empty");
 		return;
 	}
-	const char * a_Data = m_DataToSend.data();
-	int a_Size = m_DataToSend.size();
+	const char * Data = m_DataToSend.data();
+	size_t Size = m_DataToSend.size();
 	if (m_IsEncrypted)
 	{
 		Byte Encrypted[8192];  // Larger buffer, we may be sending lots of data (chunks)
-		while (a_Size > 0)
+		while (Size > 0)
 		{
-			int NumBytes = (a_Size > (int)sizeof(Encrypted)) ? (int)sizeof(Encrypted) : a_Size;
-			m_Encryptor.ProcessData(Encrypted, (Byte *)a_Data, NumBytes);
+			size_t NumBytes = (Size > sizeof(Encrypted)) ? sizeof(Encrypted) : Size;
+			m_Encryptor.ProcessData(Encrypted, (Byte *)Data, NumBytes);
 			super::SendData((const char *)Encrypted, NumBytes);
-			a_Size -= NumBytes;
-			a_Data += NumBytes;
+			Size -= NumBytes;
+			Data += NumBytes;
 		}
 	}
 	else
 	{
-		super::SendData(a_Data, a_Size);
+		super::SendData(Data, Size);
 	}
 	m_DataToSend.clear();
 }
@@ -665,7 +674,7 @@ void cProtocol132::WriteItem(const cItem & a_Item)
 	}
 	
 	WriteShort(ItemType);
-	WriteByte (a_Item.m_ItemCount);
+	WriteChar (a_Item.m_ItemCount);
 	WriteShort(a_Item.m_ItemDamage);
 	
 	if (a_Item.m_Enchantments.IsEmpty())
@@ -681,7 +690,7 @@ void cProtocol132::WriteItem(const cItem & a_Item)
 	Writer.Finish();
 	AString Compressed;
 	CompressStringGZIP(Writer.GetResult().data(), Writer.GetResult().size(), Compressed);
-	WriteShort(Compressed.size());
+	WriteShort((short)Compressed.size());
 	SendData(Compressed.data(), Compressed.size());
 }
 
@@ -717,8 +726,8 @@ int cProtocol132::ParseItem(cItem & a_Item)
 		
 	// Read the metadata
 	AString Metadata;
-	Metadata.resize(MetadataLength);
-	if (!m_ReceivedData.ReadBuf((void *)Metadata.data(), MetadataLength))
+	Metadata.resize((size_t)MetadataLength);
+	if (!m_ReceivedData.ReadBuf((void *)Metadata.data(), (size_t)MetadataLength))
 	{
 		return PARSE_INCOMPLETE;
 	}
diff --git a/src/Protocol/Protocol132.h b/src/Protocol/Protocol132.h
index 0702fbf5a..b280c8a41 100644
--- a/src/Protocol/Protocol132.h
+++ b/src/Protocol/Protocol132.h
@@ -87,7 +87,7 @@ protected:
 	/// The ServerID used for session authentication; set in StartEncryption(), used in GetAuthServerID()
 	AString m_AuthServerID;
 	
-	virtual void SendData(const char * a_Data, int a_Size) override;
+	virtual void SendData(const char * a_Data, size_t a_Size) override;
 	
 	// DEBUG:
 	virtual void Flush(void) override;
diff --git a/src/Protocol/Protocol14x.cpp b/src/Protocol/Protocol14x.cpp
index 232b2718e..f694af1eb 100644
--- a/src/Protocol/Protocol14x.cpp
+++ b/src/Protocol/Protocol14x.cpp
@@ -103,9 +103,9 @@ void cProtocol142::SendPickupSpawn(const cPickup & a_Pickup)
 	WriteInt    (a_Pickup.GetUniqueID());
 	WriteItem   (a_Pickup.GetItem());
 	WriteVectorI((Vector3i)(a_Pickup.GetPosition() * 32));
-	WriteByte   ((char)(a_Pickup.GetSpeed().x * 8));
-	WriteByte   ((char)(a_Pickup.GetSpeed().y * 8));
-	WriteByte   ((char)(a_Pickup.GetSpeed().z * 8));
+	WriteChar   ((char)(a_Pickup.GetSpeed().x * 8));
+	WriteChar   ((char)(a_Pickup.GetSpeed().y * 8));
+	WriteChar   ((char)(a_Pickup.GetSpeed().z * 8));
 	Flush();
 }
 
@@ -119,7 +119,7 @@ void cProtocol142::SendSoundParticleEffect(int a_EffectID, int a_SrcX, int a_Src
 	WriteByte(PACKET_SOUND_PARTICLE_EFFECT);
 	WriteInt (a_EffectID);
 	WriteInt (a_SrcX);
-	WriteByte(a_SrcY);
+	WriteByte((Byte)a_SrcY);
 	WriteInt (a_SrcZ);
 	WriteInt (a_Data);
 	WriteBool(0);
@@ -218,7 +218,7 @@ void cProtocol146::SendSpawnObject(const cEntity & a_Entity, char a_ObjectType,
 	cCSLock Lock(m_CSPacket);
 	WriteByte(PACKET_SPAWN_OBJECT);
 	WriteInt (a_Entity.GetUniqueID());
-	WriteByte(a_ObjectType);
+	WriteChar(a_ObjectType);
 	WriteInt ((int)(a_Entity.GetPosX() * 32));
 	WriteInt ((int)(a_Entity.GetPosY() * 32));
 	WriteInt ((int)(a_Entity.GetPosZ() * 32));
@@ -243,7 +243,7 @@ void cProtocol146::SendSpawnVehicle(const cEntity & a_Vehicle, char a_VehicleTyp
 	cCSLock Lock(m_CSPacket);
 	WriteByte (PACKET_SPAWN_OBJECT);
 	WriteInt  (a_Vehicle.GetUniqueID());
-	WriteByte (a_VehicleType);
+	WriteChar (a_VehicleType);
 	WriteInt  ((int)(a_Vehicle.GetPosX() * 32));
 	WriteInt  ((int)(a_Vehicle.GetPosY() * 32));
 	WriteInt  ((int)(a_Vehicle.GetPosZ() * 32));
diff --git a/src/Protocol/Protocol16x.cpp b/src/Protocol/Protocol16x.cpp
index ecb24254f..bf7d9a0b1 100644
--- a/src/Protocol/Protocol16x.cpp
+++ b/src/Protocol/Protocol16x.cpp
@@ -119,7 +119,7 @@ void cProtocol161::SendHealth(void)
 	cCSLock Lock(m_CSPacket);
 	WriteByte (PACKET_UPDATE_HEALTH);
 	WriteFloat((float)m_Client->GetPlayer()->GetHealth());
-	WriteShort(m_Client->GetPlayer()->GetFoodLevel());
+	WriteShort((short)m_Client->GetPlayer()->GetFoodLevel());
 	WriteFloat((float)m_Client->GetPlayer()->GetFoodSaturationLevel());
 	Flush();
 }
@@ -163,10 +163,10 @@ void cProtocol161::SendWindowOpen(const cWindow & a_Window)
 	}
 	cCSLock Lock(m_CSPacket);
 	WriteByte  (PACKET_WINDOW_OPEN);
-	WriteByte  (a_Window.GetWindowID());
-	WriteByte  (a_Window.GetWindowType());
+	WriteChar  (a_Window.GetWindowID());
+	WriteByte  ((Byte)a_Window.GetWindowType());
 	WriteString(a_Window.GetWindowTitle());
-	WriteByte  (a_Window.GetNumNonInventorySlots());
+	WriteByte  ((Byte)a_Window.GetNumNonInventorySlots());
 	WriteByte  (1);  // Use title
 	if (a_Window.GetWindowType() == cWindow::wtAnimalChest)
 	{
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index c678fc9a0..a4319df37 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -1236,7 +1236,7 @@ void cProtocol172::SendWindowProperty(const cWindow & a_Window, short a_Property
 
 
 
-void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
+void cProtocol172::AddReceivedData(const char * a_Data, size_t a_Size)
 {
 	// Write the incoming data into the comm log file:
 	if (g_ShouldLogCommIn)
@@ -1258,7 +1258,7 @@ void cProtocol172::AddReceivedData(const char * a_Data, int a_Size)
 		AString Hex;
 		CreateHexDump(Hex, a_Data, a_Size, 16);
 		m_CommLogFile.Printf("Incoming data: %d (0x%x) bytes: \n%s\n",
-			a_Size, a_Size, Hex.c_str()
+			(unsigned)a_Size, (unsigned)a_Size, Hex.c_str()
 		);
 		m_CommLogFile.Flush();
 	}
@@ -1988,14 +1988,14 @@ void cProtocol172::WritePacket(cByteBuffer & a_Packet)
 
 
 
-void cProtocol172::SendData(const char * a_Data, int a_Size)
+void cProtocol172::SendData(const char * a_Data, size_t a_Size)
 {
 	if (m_IsEncrypted)
 	{
 		Byte Encrypted[8192];  // Larger buffer, we may be sending lots of data (chunks)
 		while (a_Size > 0)
 		{
-			size_t NumBytes = ((size_t)a_Size > sizeof(Encrypted)) ? sizeof(Encrypted) : (size_t)a_Size;
+			size_t NumBytes = (a_Size > sizeof(Encrypted)) ? sizeof(Encrypted) : a_Size;
 			m_Encryptor.ProcessData(Encrypted, (Byte *)a_Data, NumBytes);
 			m_Client->SendData((const char *)Encrypted, NumBytes);
 			a_Size -= NumBytes;
diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h
index 41163009e..91186b270 100644
--- a/src/Protocol/Protocol17x.h
+++ b/src/Protocol/Protocol17x.h
@@ -196,7 +196,7 @@ protected:
 			m_Out.WriteVarUTF8String(a_Value);
 		}
 		
-		void WriteBuf(const char * a_Data, int a_Size)
+		void WriteBuf(const char * a_Data, size_t a_Size)
 		{
 			m_Out.Write(a_Data, a_Size);
 		}
@@ -243,7 +243,7 @@ protected:
 	
 	
 	/** Adds the received (unencrypted) data to m_ReceivedData, parses complete packets */
-	void AddReceivedData(const char * a_Data, int a_Size);
+	void AddReceivedData(const char * a_Data, size_t a_Size);
 	
 	/** Reads and handles the packet. The packet length and type have already been read.
 	Returns true if the packet was understood, false if it was an unknown packet
@@ -287,7 +287,7 @@ protected:
 	void WritePacket(cByteBuffer & a_Packet);
 
 	/** Sends the data to the client, encrypting them if needed. */
-	virtual void SendData(const char * a_Data, int a_Size) override;
+	virtual void SendData(const char * a_Data, size_t a_Size) override;
 
 	void SendCompass(const cWorld & a_World);
 	
diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp
index 3b9003e60..3f7d7b254 100644
--- a/src/Protocol/ProtocolRecognizer.cpp
+++ b/src/Protocol/ProtocolRecognizer.cpp
@@ -794,7 +794,7 @@ AString cProtocolRecognizer::GetAuthServerID(void)
 
 
 
-void cProtocolRecognizer::SendData(const char * a_Data, int a_Size)
+void cProtocolRecognizer::SendData(const char * a_Data, size_t a_Size)
 {
 	// This is used only when handling the server ping
 	m_Client->SendData(a_Data, a_Size);
@@ -854,7 +854,7 @@ bool cProtocolRecognizer::TryRecognizeProtocol(void)
 	// This must be a lengthed protocol, try if it has the entire initial handshake packet:
 	m_Buffer.ResetRead();
 	UInt32 PacketLen;
-	UInt32 ReadSoFar = m_Buffer.GetReadableSpace();
+	UInt32 ReadSoFar = (UInt32)m_Buffer.GetReadableSpace();
 	if (!m_Buffer.ReadVarInt(PacketLen))
 	{
 		// Not enough bytes for the packet length, keep waiting
@@ -931,7 +931,7 @@ bool cProtocolRecognizer::TryRecognizeLengthlessProtocol(void)
 bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRemaining)
 {
 	UInt32 PacketType;
-	UInt32 NumBytesRead = m_Buffer.GetReadableSpace();
+	UInt32 NumBytesRead = (UInt32)m_Buffer.GetReadableSpace();
 	if (!m_Buffer.ReadVarInt(PacketType))
 	{
 		return false;
@@ -962,7 +962,7 @@ bool cProtocolRecognizer::TryRecognizeLengthedProtocol(UInt32 a_PacketLengthRema
 			m_Buffer.ReadBEShort(ServerPort);
 			m_Buffer.ReadVarInt(NextState);
 			m_Buffer.CommitRead();
-			m_Protocol = new cProtocol172(m_Client, ServerAddress, ServerPort, NextState);
+			m_Protocol = new cProtocol172(m_Client, ServerAddress, (UInt16)ServerPort, NextState);
 			return true;
 		}
 	}
diff --git a/src/Protocol/ProtocolRecognizer.h b/src/Protocol/ProtocolRecognizer.h
index d7fb8fad2..072d7c2d2 100644
--- a/src/Protocol/ProtocolRecognizer.h
+++ b/src/Protocol/ProtocolRecognizer.h
@@ -133,7 +133,7 @@ public:
 	
 	virtual AString GetAuthServerID(void) override;
 
-	virtual void SendData(const char * a_Data, int a_Size) override;
+	virtual void SendData(const char * a_Data, size_t a_Size) override;
 
 protected:
 	cProtocol * m_Protocol;  //< The recognized protocol
diff --git a/src/RCONServer.cpp b/src/RCONServer.cpp
index 72f2d9ba9..d7083ff2b 100644
--- a/src/RCONServer.cpp
+++ b/src/RCONServer.cpp
@@ -169,7 +169,7 @@ cRCONServer::cConnection::cConnection(cRCONServer & a_RCONServer, cSocket & a_So
 
 
 
-void cRCONServer::cConnection::DataReceived(const char * a_Data, int a_Size)
+void cRCONServer::cConnection::DataReceived(const char * a_Data, size_t a_Size)
 {
 	// Append data to the buffer:
 	m_Buffer.append(a_Data, a_Size);
diff --git a/src/RCONServer.h b/src/RCONServer.h
index 88aac4b5f..b964852ab 100644
--- a/src/RCONServer.h
+++ b/src/RCONServer.h
@@ -65,7 +65,7 @@ protected:
 		
 
 		// cSocketThreads::cCallback overrides:
-		virtual void DataReceived(const char * a_Data, int a_Size) override;
+		virtual void DataReceived(const char * a_Data, size_t a_Size) override;
 		virtual void GetOutgoingData(AString & a_Data) override;
 		virtual void SocketClosed(void) override;
 		
diff --git a/src/StringUtils.cpp b/src/StringUtils.cpp
index ad622d707..33b04505f 100644
--- a/src/StringUtils.cpp
+++ b/src/StringUtils.cpp
@@ -531,32 +531,32 @@ AString & UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length, AString & a
 format binary data this way:
 00001234: 31 32 33 34 35 36 37 38 39 30 61 62 63 64 65 66    1234567890abcdef
 */
-AString & CreateHexDump(AString & a_Out, const void * a_Data, int a_Size, int a_LineLength)
+AString & CreateHexDump(AString & a_Out, const void * a_Data, size_t a_Size, size_t a_BytesPerLine)
 {
-	ASSERT(a_LineLength <= 120);  // Due to using a fixed size line buffer; increase line[]'s size to lift this max
+	ASSERT(a_BytesPerLine <= 120);  // Due to using a fixed size line buffer; increase line[]'s size to lift this max
 	char line[512];
 	char * p;
 	char * q;
 	
-	a_Out.reserve(a_Size / a_LineLength * (18 + 6 * a_LineLength));
-	for (int i = 0; i < a_Size; i += a_LineLength)
+	a_Out.reserve(a_Size / a_BytesPerLine * (18 + 6 * a_BytesPerLine));
+	for (size_t i = 0; i < a_Size; i += a_BytesPerLine)
 	{
-		int k = a_Size - i;
-		if (k > a_LineLength)
+		size_t k = a_Size - i;
+		if (k > a_BytesPerLine)
 		{
-			k = a_LineLength;
+			k = a_BytesPerLine;
 		}
 		#ifdef _MSC_VER
 		// MSVC provides a "secure" version of sprintf()
-		int Count = sprintf_s(line, sizeof(line), "%08x:", i);
+		int Count = sprintf_s(line, sizeof(line), "%08x:", (unsigned)i);
 		#else
-		int Count = sprintf(line, "%08x:", i);
+		int Count = sprintf(line, "%08x:", (unsigned)i);
 		#endif
 		// Remove the terminating NULL / leftover garbage in line, after the sprintf-ed value
 		memset(line + Count, 32, sizeof(line) - Count);
 		p = line + 10;
-		q = p + 2 + a_LineLength * 3 + 1;
-		for (int j = 0; j < k; j++)
+		q = p + 2 + a_BytesPerLine * 3 + 1;
+		for (size_t j = 0; j < k; j++)
 		{
 			unsigned char c = ((unsigned char *)a_Data)[i + j];
 			p[0] = HEX(c >> 4);
diff --git a/src/StringUtils.h b/src/StringUtils.h
index da395e5b5..b69e47d3c 100644
--- a/src/StringUtils.h
+++ b/src/StringUtils.h
@@ -64,7 +64,7 @@ extern AString & RawBEToUTF8(const char * a_RawData, int a_NumShorts, AString &
 extern AString & UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length, AString & a_UTF16);
 
 /// Creates a nicely formatted HEX dump of the given memory block. Max a_BytesPerLine is 120
-extern AString & CreateHexDump(AString & a_Out, const void * a_Data, int a_Size, int a_BytesPerLine);
+extern AString & CreateHexDump(AString & a_Out, const void * a_Data, size_t a_Size, size_t a_BytesPerLine);
 
 /// Returns a copy of a_Message with all quotes and backslashes escaped by a backslash
 extern AString EscapeString(const AString & a_Message);  // tolua_export
diff --git a/src/WebAdmin.cpp b/src/WebAdmin.cpp
index 402cd3035..cd141f7eb 100644
--- a/src/WebAdmin.cpp
+++ b/src/WebAdmin.cpp
@@ -490,7 +490,7 @@ void cWebAdmin::OnRequestBegun(cHTTPConnection & a_Connection, cHTTPRequest & a_
 
 
 
-void cWebAdmin::OnRequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, int a_Size)
+void cWebAdmin::OnRequestBody(cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, size_t a_Size)
 {
 	UNUSED(a_Connection);
 	cRequestData * Data = (cRequestData *)(a_Request.GetUserData());
@@ -537,7 +537,7 @@ void cWebAdmin::OnRequestFinished(cHTTPConnection & a_Connection, cHTTPRequest &
 ///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // cWebAdmin::cWebadminRequestData
 
-void cWebAdmin::cWebadminRequestData::OnBody(const char * a_Data, int a_Size)
+void cWebAdmin::cWebadminRequestData::OnBody(const char * a_Data, size_t a_Size)
 {
 	m_Form.Parse(a_Data, a_Size);
 }
diff --git a/src/WebAdmin.h b/src/WebAdmin.h
index a2a07a543..d5e45828f 100644
--- a/src/WebAdmin.h
+++ b/src/WebAdmin.h
@@ -151,7 +151,7 @@ protected:
 		virtual ~cRequestData() {}  // Force a virtual destructor in all descendants
 
 		/** Called when a new chunk of body data is received */
-		virtual void OnBody(const char * a_Data, int a_Size) = 0;
+		virtual void OnBody(const char * a_Data, size_t a_Size) = 0;
 	} ;
 
 	/** The body handler for requests in the "/webadmin" and "/~webadmin" paths */
@@ -169,14 +169,14 @@ protected:
 		}
 
 		// cRequestData overrides:
-		virtual void OnBody(const char * a_Data, int a_Size) override;
+		virtual void OnBody(const char * a_Data, size_t a_Size) override;
 
 		// cHTTPFormParser::cCallbacks overrides. Files are ignored:
-		virtual void OnFileStart(cHTTPFormParser &, const AString & a_FileName) override 
+		virtual void OnFileStart(cHTTPFormParser &, const AString & a_FileName) override
 		{
 			UNUSED(a_FileName);
 		}
-		virtual void OnFileData(cHTTPFormParser &, const char * a_Data, int a_Size) override 
+		virtual void OnFileData(cHTTPFormParser &, const char * a_Data, size_t a_Size) override
 		{
 			UNUSED(a_Data);
 			UNUSED(a_Size);
@@ -216,7 +216,7 @@ protected:
 
 	// 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, int a_Size) override;
+	virtual void OnRequestBody    (cHTTPConnection & a_Connection, cHTTPRequest & a_Request, const char * a_Data, size_t a_Size) override;
 	virtual void OnRequestFinished(cHTTPConnection & a_Connection, cHTTPRequest & a_Request) override;
 } ; // tolua_export
 
diff --git a/src/World.cpp b/src/World.cpp
index e39a605bb..c188fd522 100644
--- a/src/World.cpp
+++ b/src/World.cpp
@@ -2993,7 +2993,6 @@ int cWorld::CreateProjectile(double a_PosX, double a_PosY, double a_PosZ, cProje
 		delete Projectile;
 		return -1;
 	}
-	BroadcastSpawnEntity(*Projectile);
 	return Projectile->GetUniqueID();
 }
 
diff --git a/src/WorldStorage/FastNBT.h b/src/WorldStorage/FastNBT.h
index 1b8b09c21..5e5af3ca3 100644
--- a/src/WorldStorage/FastNBT.h
+++ b/src/WorldStorage/FastNBT.h
@@ -122,33 +122,33 @@ public:
 	int GetRoot(void) const {return 0; }
 
 	/** Returns the first child of the specified tag, or -1 if none / not applicable. */
-	int GetFirstChild (int a_Tag) const { return m_Tags[a_Tag].m_FirstChild; }
+	int GetFirstChild (int a_Tag) const { return m_Tags[(size_t)a_Tag].m_FirstChild; }
 	
 	/** Returns the last child of the specified tag, or -1 if none / not applicable. */
-	int GetLastChild  (int a_Tag) const { return m_Tags[a_Tag].m_LastChild; }
+	int GetLastChild  (int a_Tag) const { return m_Tags[(size_t)a_Tag].m_LastChild; }
 	
 	/** Returns the next sibling of the specified tag, or -1 if none. */
-	int GetNextSibling(int a_Tag) const { return m_Tags[a_Tag].m_NextSibling; }
+	int GetNextSibling(int a_Tag) const { return m_Tags[(size_t)a_Tag].m_NextSibling; }
 	
 	/** Returns the previous sibling of the specified tag, or -1 if none. */
-	int GetPrevSibling(int a_Tag) const { return m_Tags[a_Tag].m_PrevSibling; }
+	int GetPrevSibling(int a_Tag) const { return m_Tags[(size_t)a_Tag].m_PrevSibling; }
 	
 	/** Returns the length of the tag's data, in bytes.
 	Not valid for Compound or List tags! */
 	int GetDataLength (int a_Tag) const
 	{
-		ASSERT(m_Tags[a_Tag].m_Type != TAG_List);
-		ASSERT(m_Tags[a_Tag].m_Type != TAG_Compound);
-		return m_Tags[a_Tag].m_DataLength;
+		ASSERT(m_Tags[(size_t)a_Tag].m_Type != TAG_List);
+		ASSERT(m_Tags[(size_t)a_Tag].m_Type != TAG_Compound);
+		return m_Tags[(size_t)a_Tag].m_DataLength;
 	}
 
 	/** Returns the data stored in this tag.
 	Not valid for Compound or List tags! */
 	const char * GetData(int a_Tag) const
 	{
-		ASSERT(m_Tags[a_Tag].m_Type != TAG_List);
-		ASSERT(m_Tags[a_Tag].m_Type != TAG_Compound);
-		return m_Data + m_Tags[a_Tag].m_DataStart;
+		ASSERT(m_Tags[(size_t)a_Tag].m_Type != TAG_List);
+		ASSERT(m_Tags[(size_t)a_Tag].m_Type != TAG_Compound);
+		return m_Data + m_Tags[(size_t)a_Tag].m_DataStart;
 	}
 	
 	/** Returns the direct child tag of the specified name, or -1 if no such tag. */
@@ -163,47 +163,47 @@ public:
 	/** Returns the child tag of the specified path (Name1\Name2\Name3...), or -1 if no such tag. */
 	int FindTagByPath(int a_Tag, const AString & a_Path) const;
 	
-	eTagType GetType(int a_Tag) const { return m_Tags[a_Tag].m_Type; }
+	eTagType GetType(int a_Tag) const { return m_Tags[(size_t)a_Tag].m_Type; }
 	
 	/** Returns the children type for a List tag; undefined on other tags. If list empty, returns TAG_End. */
 	eTagType GetChildrenType(int a_Tag) const
 	{
-		ASSERT(m_Tags[a_Tag].m_Type == TAG_List);
-		return (m_Tags[a_Tag].m_FirstChild < 0) ? TAG_End : m_Tags[m_Tags[a_Tag].m_FirstChild].m_Type;
+		ASSERT(m_Tags[(size_t)a_Tag].m_Type == TAG_List);
+		return (m_Tags[(size_t)a_Tag].m_FirstChild < 0) ? TAG_End : m_Tags[(size_t)m_Tags[(size_t)a_Tag].m_FirstChild].m_Type;
 	}
 	
 	/** Returns the value stored in a Byte tag. Not valid for any other tag type. */
 	inline unsigned char GetByte(int a_Tag) const 
 	{
-		ASSERT(m_Tags[a_Tag].m_Type == TAG_Byte);
-		return (unsigned char)(m_Data[m_Tags[a_Tag].m_DataStart]);
+		ASSERT(m_Tags[(size_t)a_Tag].m_Type == TAG_Byte);
+		return (unsigned char)(m_Data[(size_t)m_Tags[(size_t)a_Tag].m_DataStart]);
 	}
 	
 	/** Returns the value stored in a Short tag. Not valid for any other tag type. */
 	inline Int16 GetShort(int a_Tag) const
 	{
-		ASSERT(m_Tags[a_Tag].m_Type == TAG_Short);
-		return GetBEShort(m_Data + m_Tags[a_Tag].m_DataStart);
+		ASSERT(m_Tags[(size_t)a_Tag].m_Type == TAG_Short);
+		return GetBEShort(m_Data + m_Tags[(size_t)a_Tag].m_DataStart);
 	}
 
 	/** Returns the value stored in an Int tag. Not valid for any other tag type. */
 	inline Int32 GetInt(int a_Tag) const
 	{
-		ASSERT(m_Tags[a_Tag].m_Type == TAG_Int);
-		return GetBEInt(m_Data + m_Tags[a_Tag].m_DataStart);
+		ASSERT(m_Tags[(size_t)a_Tag].m_Type == TAG_Int);
+		return GetBEInt(m_Data + m_Tags[(size_t)a_Tag].m_DataStart);
 	}
 
 	/** Returns the value stored in a Long tag. Not valid for any other tag type. */
 	inline Int64 GetLong(int a_Tag) const
 	{
-		ASSERT(m_Tags[a_Tag].m_Type == TAG_Long);
-		return NetworkToHostLong8(m_Data + m_Tags[a_Tag].m_DataStart);
+		ASSERT(m_Tags[(size_t)a_Tag].m_Type == TAG_Long);
+		return NetworkToHostLong8(m_Data + m_Tags[(size_t)a_Tag].m_DataStart);
 	}
 
 	/** Returns the value stored in a Float tag. Not valid for any other tag type. */
 	inline float GetFloat(int a_Tag) const
 	{
-		ASSERT(m_Tags[a_Tag].m_Type == TAG_Float);
+		ASSERT(m_Tags[(size_t)a_Tag].m_Type == TAG_Float);
 		
 		// Cause a compile-time error if sizeof(float) != 4
 		// If your platform produces a compiler error here, you'll need to add code that manually decodes 32-bit floats
@@ -212,7 +212,7 @@ public:
 		UNUSED(Check1);
 		UNUSED(Check2);
 		
-		Int32 i = GetBEInt(m_Data + m_Tags[a_Tag].m_DataStart);
+		Int32 i = GetBEInt(m_Data + m_Tags[(size_t)a_Tag].m_DataStart);
 		float f;
 		memcpy(&f, &i, sizeof(f));
 		return f;
@@ -228,16 +228,16 @@ public:
 		UNUSED(Check1);
 		UNUSED(Check2);
 
-		ASSERT(m_Tags[a_Tag].m_Type == TAG_Double);
-		return NetworkToHostDouble8(m_Data + m_Tags[a_Tag].m_DataStart);
+		ASSERT(m_Tags[(size_t)a_Tag].m_Type == TAG_Double);
+		return NetworkToHostDouble8(m_Data + m_Tags[(size_t)a_Tag].m_DataStart);
 	}
 	
 	/** Returns the value stored in a String tag. Not valid for any other tag type. */
 	inline AString GetString(int a_Tag) const
 	{
-		ASSERT(m_Tags[a_Tag].m_Type == TAG_String);
+		ASSERT(m_Tags[(size_t)a_Tag].m_Type == TAG_String);
 		AString res;
-		res.assign(m_Data + m_Tags[a_Tag].m_DataStart, m_Tags[a_Tag].m_DataLength);
+		res.assign(m_Data + m_Tags[(size_t)a_Tag].m_DataStart, m_Tags[(size_t)a_Tag].m_DataLength);
 		return res;
 	}
 	
@@ -245,7 +245,7 @@ public:
 	inline AString GetName(int a_Tag) const
 	{
 		AString res;
-		res.assign(m_Data + m_Tags[a_Tag].m_NameStart, m_Tags[a_Tag].m_NameLength);
+		res.assign(m_Data + m_Tags[(size_t)a_Tag].m_NameStart, m_Tags[(size_t)a_Tag].m_NameLength);
 		return res;
 	}