30 files changed, 502 insertions, 13 deletions

diff --git a/MCServer/Plugins/APIDump/APIDesc.lua b/MCServer/Plugins/APIDump/APIDesc.lua
index b0d31e7a8..fd4b1d947 100644
--- a/MCServer/Plugins/APIDump/APIDesc.lua
+++ b/MCServer/Plugins/APIDump/APIDesc.lua
@@ -713,6 +713,7 @@ end
 				IsMinecart = { Params = "", Return = "bool", Notes = "Returns true if the entity represents a {{cMinecart|minecart}}" },
 				IsMob = { Params = "", Return = "bool", Notes = "Returns true if the entity represents any {{cMonster|mob}}." },
 				IsOnFire = { Params = "", Return = "bool", Notes = "Returns true if the entity is on fire" },
+				IsPainting = { Params = "", Return = "bool", Notes = "Returns if this entity is a painting." },
 				IsPickup = { Params = "", Return = "bool", Notes = "Returns true if the entity represents a {{cPickup|pickup}}." },
 				IsPlayer = { Params = "", Return = "bool", Notes = "Returns true if the entity represents a {{cPlayer|player}}" },
 				IsProjectile = { Params = "", Return = "bool", Notes = "Returns true if the entity is a {{cProjectileEntity}} descendant." },
@@ -779,6 +780,7 @@ end
 				etPickup = { Notes = "The entity is a {{cPickup}}" },
 				etProjectile = { Notes = "The entity is a {{cProjectileEntity}} descendant" },
 				etTNT = { Notes = "The entity is a {{cTNTEntity}}" },
+				etPainting = { Notes = "The entity is a {{cPainting}}" },
 			},
 			ConstantGroups =
 			{
@@ -1109,6 +1111,9 @@ These ItemGrids are available in the API and can be manipulated by the plugins,
 				IsFullStack = { Params = "", Return = "bool", Notes = "Returns true if the item is stacked up to its maximum stacking" },
 				IsSameType = { Params = "cItem", Return = "bool", Notes = "Returns true if the item in the parameter is of the same ItemType as the one stored in the object. This is true even if the two items have different enchantments" },
 				IsStackableWith = { Params = "cItem", Return = "bool", Notes = "Returns true if the item in the parameter is stackable with the one stored in the object. Two items with different enchantments cannot be stacked" },
+				IsBothNameAndLoreEmpty = { Params = "", Return = "bool", Notes = "Returns if both the custom name and lore are not set." },
+				IsCustomNameEmpty = { Params = "", Return = "bool", Notes = "Returns if the custom name of the cItem is empty." },
+				IsLoreEmpty = { Params = "", Return = "", Notes = "Returns if the lore of the cItem is empty." },
 			},
 			Variables =
 			{
@@ -1116,6 +1121,8 @@ These ItemGrids are available in the API and can be manipulated by the plugins,
 				m_ItemCount    = { Type = "number", Notes = "Number of items in this stack" },
 				m_ItemDamage   = { Type = "number", Notes = "The damage of the item. Zero means no damage. Maximum damage can be queried with GetMaxDamage()" },
 				m_ItemType     = { Type = "number", Notes = "The item type. One of E_ITEM_ or E_BLOCK_ constants" },
+				m_CustomName = { Type = "string", Notes = "The custom name for an item." },
+				m_Lore = { Type = "string", Notes = "The lore for an item. Line breaks are represented by the ` character." },
 			},
 			AdditionalInfo =
 			{
@@ -1160,6 +1167,17 @@ local Item5 = cItem(E_ITEM_DIAMOND_CHESTPLATE, 1, 0, "thorns=1;unbreaking=3");
 			},
 		},  -- cItem
 
+		cPainting =
+		{
+			Desc = "This class represents a painting in the world. These paintings are special and different from Vanilla in that they can be critical-hit.",
+			Functions =
+			{
+				GetDirection = { Params = "", Return = "number", Notes = "Returns the direction the painting faces. Directions: ZP - 0, ZM - 2, XM - 1, XP - 3. Note that these are not the BLOCK_FACE constants." },
+				GetName = { Params = "", Return = "string", Notes = "Returns the name of the painting" },
+			},
+
+		}, -- cPainting
+
 		cItemGrid =
 		{
 			Desc = [[This class represents a 2D array of items. It is used as the underlying storage and API for all cases that use a grid of items:
@@ -2027,6 +2045,7 @@ end
 				AreCommandBlocksEnabled = { Params = "", Return = "bool", Notes = "Returns whether command blocks are enabled on the (entire) server" },
 				BroadcastBlockAction = { Params = "BlockX, BlockY, BlockZ, ActionByte1, ActionByte2, BlockType, [{{cClientHandle|ExcludeClient}}]", Return = "", Notes = "Broadcasts the BlockAction packet to all clients who have the appropriate chunk loaded (except ExcludeClient). The contents of the packet are specified by the parameters for the call, the blocktype needn't match the actual block that is present in the world data at the specified location." },
 				BroadcastChat = { Params = "Message, [{{cClientHandle|ExcludeClient}}]", Return = "", Notes = "Sends the Message to all players in this world, except the optional ExcludeClient. No formatting is done by the server." },
+				BroadcastChatDeath = { Params = "Message, [{{cClientHandle|ExcludeClient}}]", Return = "", Notes = "Prepends Gray [DEATH] / colours entire text (depending on ShouldUseChatPrefixes()) and broadcasts message. For when a player dies." },
 				BroadcastChatFailure = { Params = "Message, [{{cClientHandle|ExcludeClient}}]", Return = "", Notes = "Prepends Rose [INFO] / colours entire text (depending on ShouldUseChatPrefixes()) and broadcasts message. For a command that failed to run because of insufficient permissions, etc." },
 				BroadcastChatFatal = { Params = "Message, [{{cClientHandle|ExcludeClient}}]", Return = "", Notes = "Prepends Red [FATAL] / colours entire text (depending on ShouldUseChatPrefixes()) and broadcasts message. For a plugin that crashed, or similar." },
 				BroadcastChatInfo = { Params = "Message, [{{cClientHandle|ExcludeClient}}]", Return = "", Notes = "Prepends Yellow [INFO] / colours entire text (depending on ShouldUseChatPrefixes()) and broadcasts message. For informational messages, such as command usage." },
@@ -2043,6 +2062,7 @@ end
 				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." },
 				DoWithChestAt = { Params = "X, Y, Z, CallbackFunction, [CallbackData]", Return = "bool", Notes = "If there is a chest at the specified coords, calls the CallbackFunction with the {{cChestEntity}} parameter representing the chest. The CallbackFunction has the following signature: <pre class=\"prettyprint lang-lua\">function Callback({{cChestEntity|ChestEntity}}, [CallbackData])</pre> The function returns false if there is no chest, or if there is, it returns the bool value that the callback has returned." },
+				DoWithCommandBlockAt = { Params = "X, Y, Z, CallbackFunction, [CallbackData]", Return = "bool", Notes = "If there is a command block at the specified coords, calls the CallbackFunction with the {{cCommandBlockEntity}} parameter representing the command block. The CallbackFunction has the following signature: <pre class=\"prettyprint lang-lua\">function Callback({{cCommandBlockEntity|CommandBlockEntity}}, [CallbackData])</pre> The function returns false if there is no command block, or if there is, it returns the bool value that the callback has returned." },
 				DoWithDispenserAt = { Params = "X, Y, Z, CallbackFunction, [CallbackData]", Return = "bool", Notes = "If there is a dispenser at the specified coords, calls the CallbackFunction with the {{cDispenserEntity}} parameter representing the dispenser. The CallbackFunction has the following signature: <pre class=\"prettyprint lang-lua\">function Callback({{cDispenserEntity|DispenserEntity}}, [CallbackData])</pre> The function returns false if there is no dispenser, or if there is, it returns the bool value that the callback has returned." },
 				DoWithDropSpenserAt = { Params = "X, Y, Z, CallbackFunction, [CallbackData]", Return = "bool", Notes = "If there is a dropper or a dispenser at the specified coords, calls the CallbackFunction with the {{cDropSpenserEntity}} parameter representing the dropper or dispenser. The CallbackFunction has the following signature: <pre class=\"prettyprint lang-lua\">function Callback({{cDropSpenserEntity|DropSpenserEntity}}, [CallbackData])</pre> Note that this can be used to access both dispensers and droppers in a similar way. The function returns false if there is neither dispenser nor dropper, or if there is, it returns the bool value that the callback has returned." },
 				DoWithDropperAt = { Params = "X, Y, Z, CallbackFunction, [CallbackData]", Return = "bool", Notes = "If there is a dropper at the specified coords, calls the CallbackFunction with the {{cDropperEntity}} parameter representing the dropper. The CallbackFunction has the following signature: <pre class=\"prettyprint lang-lua\">function Callback({{cDropperEntity|DropperEntity}}, [CallbackData])</pre> The function returns false if there is no dropper, or if there is, it returns the bool value that the callback has returned." },
@@ -2088,6 +2108,7 @@ end
 				GetMaxSugarcaneHeight = { Params = "", Return = "number", Notes = "Returns the configured maximum height to which sugarcane will grow naturally." },
 				GetName = { Params = "", Return = "string", Notes = "Returns the name of the world, as specified in the settings.ini file." },
 				GetNumChunks = { Params = "", Return = "number", Notes = "Returns the number of chunks currently loaded." },
+				GetScoreBoard = { Params = "", Return = "{{cScoreBoard}}", Notes = "Returns the {{cScoreBoard|ScoreBoard}} object used by this world. " },
 				GetSignLines = { Params = "BlockX, BlockY, BlockZ", Return = "IsValid, [Line1, Line2, Line3, Line4]", Notes = "Returns true and the lines of a sign at the specified coords, or false if there is no sign at the coords." },
 				GetSpawnX = { Params = "", Return = "number", Notes = "Returns the X coord of the default spawn" },
 				GetSpawnY = { Params = "", Return = "number", Notes = "Returns the Y coord of the default spawn" },
@@ -2123,6 +2144,11 @@ end
 				RegenerateChunk = { Params = "ChunkX, ChunkZ", Return = "", Notes = "Queues the specified chunk to be re-generated, overwriting the current data. To queue a chunk for generating only if it doesn't exist, use the GenerateChunk() instead." },
 				ScheduleTask = { Params = "DelayTicks, TaskFunction", Return = "", Notes = "Queues the specified function to be executed in the world's tick thread after a the specified number of ticks. This enables operations to be queued for execution in the future. The function signature is <pre class=\"pretty-print lang-lua\">function({{cWorld|World}})</pre>All return values from the function are ignored. Note that it is unsafe to store references to MCServer objects, such as entities, across from the caller to the task handler function; store the EntityID instead." },
 				SendBlockTo = { Params = "BlockX, BlockY, BlockZ, {{cPlayer|Player}}", Return = "", Notes = "Sends the block at the specified coords to the specified player's client, as an UpdateBlock packet." },
+				SetAreaBiome = {
+					{ Params = "MinX, MaxX, MinZ, MaxZ, EMCSBiome", Return = "bool", Notes = "Sets the biome in the rectangular area specified. Returns true if successful, false if any of the chunks were unloaded." },
+					{ Params = "{{cCuboid|Cuboid}}, EMCSBiome", Return = "bool", Notes = "Sets the biome in the cuboid specified. Returns true if successful, false if any of the chunks were unloaded. The cuboid needn't be sorted." },
+				},
+				SetBiomeAt = { Params = "BlockX, BlockZ, EMCSBiome", Return = "bool", Notes = "Sets the biome at the specified block coords. Returns true if successful, false otherwise." },
 				SetBlock = { Params = "BlockX, BlockY, BlockZ, BlockType, BlockMeta", Return = "", Notes = "Sets the block at the specified coords, replaces the block entities for the previous block type, creates a new block entity for the new block, if appropriate, and wakes up the simulators. This is the preferred way to set blocks, as opposed to FastSetBlock(), which is only to be used under special circumstances." },
 				SetBlockMeta =
 				{
diff --git a/MCServer/Plugins/ChunkWorx/chunkworx_main.lua b/MCServer/Plugins/ChunkWorx/chunkworx_main.lua
index f74c4ea2d..88ecb3979 100644
--- a/MCServer/Plugins/ChunkWorx/chunkworx_main.lua
+++ b/MCServer/Plugins/ChunkWorx/chunkworx_main.lua
@@ -122,7 +122,7 @@ function OnTick( DeltaTime )
 				end
 			end
 			WW_instance:QueueSaveAllChunks()
-			WW_instance:UnloadUnusedChunks()
+			WW_instance:QueueUnloadUnusedChunks()
 		end
 	end
 end
\ No newline at end of file
diff --git a/MCServer/Plugins/ChunkWorx/chunkworx_web.lua b/MCServer/Plugins/ChunkWorx/chunkworx_web.lua
index 44993f81c..6c5eab676 100644
--- a/MCServer/Plugins/ChunkWorx/chunkworx_web.lua
+++ b/MCServer/Plugins/ChunkWorx/chunkworx_web.lua
@@ -44,7 +44,7 @@ function HandleRequest_Generation( Request )
 	if (Request.PostParams["AGHRRRR"] ~= nil) then
 		GENERATION_STATE = 0
 		WW_instance:SaveAllChunks()
-		WW_instance:UnloadUnusedChunks()
+		WW_instance:QueueUnloadUnusedChunks()
 		LOGERROR("" .. PLUGIN:GetName() .. " v" .. PLUGIN:GetVersion() .. ": works ABORTED by admin")
 	end
 	--Content = Content .. "<head><meta http-equiv=\"refresh\" content=\"2;\"></head>"
diff --git a/MCServer/Plugins/Core b/MCServer/Plugins/Core
-Subproject 5c8557d4fdfa580c100510cde07a1a778ea2e24
+Subproject 3b416b07a339b3abcbc127070d56eea05b05373
diff --git a/MCServer/Plugins/Debuggers/Debuggers.lua b/MCServer/Plugins/Debuggers/Debuggers.lua
index 60e84c947..66894d835 100644
--- a/MCServer/Plugins/Debuggers/Debuggers.lua
+++ b/MCServer/Plugins/Debuggers/Debuggers.lua
@@ -55,6 +55,7 @@ function Initialize(Plugin)
 	PM:BindCommand("/sched",   "debuggers", HandleSched,           "- Schedules a simple countdown using cWorld:ScheduleTask()");
 	PM:BindCommand("/cs",      "debuggers", HandleChunkStay,       "- Tests the ChunkStay Lua integration for the specified chunk coords");
 	PM:BindCommand("/compo",   "debuggers", HandleCompo,           "- Tests the cCompositeChat bindings")
+	PM:BindCommand("/sb",      "debuggers", HandleSetBiome,        "- Sets the biome around you to the specified one");
 
 	Plugin:AddWebTab("Debuggers",  HandleRequest_Debuggers)
 	Plugin:AddWebTab("StressTest", HandleRequest_StressTest)
@@ -1218,3 +1219,42 @@ end
 
 
 
+
+function HandleSetBiome(a_Split, a_Player)
+	local Biome = biJungle
+	local Size = 20
+	local SplitSize = #a_Split
+	if (SplitSize > 3) then
+		a_Player:SendMessage("Too many parameters. Usage: " .. a_Split[1] .. " <BiomeType>")
+		return true
+	end
+
+	if (SplitSize >= 2) then
+		Biome = StringToBiome(a_Split[2])
+		if (Biome == biInvalidBiome) then
+			a_Player:SendMessage("Unknown biome: '" .. a_Split[2] .. "'. Command ignored.")
+			return true
+		end
+	end
+	if (SplitSize >= 3) then
+		Size = tostring(a_Split[3])
+		if (Size == nil) then
+			a_Player:SendMessage("Unknown size: '" .. a_Split[3] .. "'. Command ignored.")
+			return true
+		end
+	end
+	
+	local BlockX = math.floor(a_Player:GetPosX())
+	local BlockZ = math.floor(a_Player:GetPosZ())
+	a_Player:GetWorld():SetAreaBiome(BlockX - Size, BlockX + Size, BlockZ - Size, BlockZ + Size, Biome)
+	a_Player:SendMessage(
+		"Blocks {" .. (BlockX - Size) .. ", " .. (BlockZ - Size) ..
+		"} - {" .. (BlockX + Size) .. ", " .. (BlockZ + Size) ..
+		"} set to biome #" .. tostring(Biome) .. "."
+	)
+	return true
+end
+
+
+
+
diff --git a/Tools/ProtoProxy/.gitignore b/Tools/ProtoProxy/.gitignore
index 8def77d0b..158a30080 100644
--- a/Tools/ProtoProxy/.gitignore
+++ b/Tools/ProtoProxy/.gitignore
@@ -1,6 +1,7 @@
 Debug
 Release
 Logs/
+lib/
 *.log
 *.nbt
 *.sln
diff --git a/src/Bindings/AllToLua.pkg b/src/Bindings/AllToLua.pkg
index 6c295102f..1f08c66dc 100644
--- a/src/Bindings/AllToLua.pkg
+++ b/src/Bindings/AllToLua.pkg
@@ -34,6 +34,7 @@ $cfile "../Entities/Entity.h"
 $cfile "../Entities/Floater.h"
 $cfile "../Entities/Pawn.h"
 $cfile "../Entities/Player.h"
+$cfile "../Entities/Painting.h"
 $cfile "../Entities/Pickup.h"
 $cfile "../Entities/ProjectileEntity.h"
 $cfile "../Entities/TNTEntity.h"
diff --git a/src/BlockID.h b/src/BlockID.h
index d5b3da672..740c5fc90 100644
--- a/src/BlockID.h
+++ b/src/BlockID.h
@@ -266,7 +266,7 @@ enum ENUM_ITEM_ID
 	E_ITEM_FLINT = 318,
 	E_ITEM_RAW_PORKCHOP = 319,
 	E_ITEM_COOKED_PORKCHOP = 320,
-	E_ITEM_PAINTINGS = 321,
+	E_ITEM_PAINTING = 321,
 	E_ITEM_GOLDEN_APPLE = 322,
 	E_ITEM_SIGN = 323,
 	E_ITEM_WOODEN_DOOR = 324,
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 6ba952f92..16bdad14e 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -52,6 +52,7 @@ if (NOT MSVC)
 		Entities/Entity.h
 		Entities/Floater.h
 		Entities/Pawn.h
+		Entities/Painting.h
 		Entities/Pickup.h
 		Entities/Player.h
 		Entities/ProjectileEntity.h
diff --git a/src/Chunk.cpp b/src/Chunk.cpp
index 3028d24d0..0587beb9c 100644
--- a/src/Chunk.cpp
+++ b/src/Chunk.cpp
@@ -1652,6 +1652,38 @@ void cChunk::UseBlockEntity(cPlayer * a_Player, int a_X, int a_Y, int a_Z)
 
 
 
+void cChunk::SetBiomeAt(int a_RelX, int a_RelZ, EMCSBiome a_Biome)
+{
+	cChunkDef::SetBiome(m_BiomeMap, a_RelX, a_RelZ, a_Biome);
+	MarkDirty();
+}
+
+
+
+
+
+void cChunk::SetAreaBiome(int a_MinRelX, int a_MaxRelX, int a_MinRelZ, int a_MaxRelZ, EMCSBiome a_Biome)
+{
+	for (int z = a_MinRelZ; z <= a_MaxRelZ; z++)
+	{
+		for (int x = a_MinRelX; x <= a_MaxRelX; x++)
+		{
+			cChunkDef::SetBiome(m_BiomeMap, x, z, a_Biome);
+		}
+	}
+	MarkDirty();
+	
+	// Re-send the chunk to all clients:
+	for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr)
+	{
+		m_World->ForceSendChunkTo(m_PosX, m_PosZ, (*itr));
+	}  // for itr - m_LoadedByClient[]
+}
+
+
+
+
+
 void cChunk::CollectPickupsByPlayer(cPlayer * a_Player)
 {
 	double PosX = a_Player->GetPosX();
diff --git a/src/Chunk.h b/src/Chunk.h
index 696690068..682ec6170 100644
--- a/src/Chunk.h
+++ b/src/Chunk.h
@@ -175,6 +175,14 @@ public:
 	
 	EMCSBiome GetBiomeAt(int a_RelX, int a_RelZ) const {return cChunkDef::GetBiome(m_BiomeMap, a_RelX, a_RelZ); }
 	
+	/** Sets the biome at the specified relative coords.
+	Doesn't resend the chunk to clients. */
+	void SetBiomeAt(int a_RelX, int a_RelZ, EMCSBiome a_Biome);
+	
+	/** Sets the biome in the specified relative coords area. All the coords are inclusive.
+	Sends the chunk to all relevant clients. */
+	void SetAreaBiome(int a_MinRelX, int a_MaxRelX, int a_MinRelZ, int a_MaxRelZ, EMCSBiome a_Biome);
+	
 	void CollectPickupsByPlayer(cPlayer * a_Player);
 	
 	/** Sets the sign text. Returns true if successful. Also sends update packets to all clients in the chunk */
diff --git a/src/ChunkMap.cpp b/src/ChunkMap.cpp
index 0c5a8d9b9..01195e8bc 100644
--- a/src/ChunkMap.cpp
+++ b/src/ChunkMap.cpp
@@ -1390,10 +1390,10 @@ void cChunkMap::ReplaceTreeBlocks(const sSetBlockVector & a_Blocks)
 EMCSBiome cChunkMap::GetBiomeAt (int a_BlockX, int a_BlockZ)
 {
 	int ChunkX, ChunkZ, X = a_BlockX, Y = 0, Z = a_BlockZ;
-	cChunkDef::AbsoluteToRelative( X, Y, Z, ChunkX, ChunkZ );
+	cChunkDef::AbsoluteToRelative(X, Y, Z, ChunkX, ChunkZ);
 
 	cCSLock Lock(m_CSLayers);
-	cChunkPtr Chunk = GetChunk( ChunkX, ZERO_CHUNK_Y, ChunkZ );
+	cChunkPtr Chunk = GetChunk(ChunkX, ZERO_CHUNK_Y, ChunkZ);
 	if ((Chunk != NULL) && Chunk->IsValid())
 	{
 		return Chunk->GetBiomeAt(X, Z);
@@ -1408,6 +1408,63 @@ EMCSBiome cChunkMap::GetBiomeAt (int a_BlockX, int a_BlockZ)
 
 
 
+bool cChunkMap::SetBiomeAt(int a_BlockX, int a_BlockZ, EMCSBiome a_Biome)
+{
+	int ChunkX, ChunkZ, X = a_BlockX, Y = 0, Z = a_BlockZ;
+	cChunkDef::AbsoluteToRelative(X, Y, Z, ChunkX, ChunkZ);
+
+	cCSLock Lock(m_CSLayers);
+	cChunkPtr Chunk = GetChunk(ChunkX, ZERO_CHUNK_Y, ChunkZ);
+	if ((Chunk != NULL) && Chunk->IsValid())
+	{
+		Chunk->SetBiomeAt(X, Z, a_Biome);
+		return true;
+	}
+	return false;
+}
+
+
+
+
+
+bool cChunkMap::SetAreaBiome(int a_MinX, int a_MaxX, int a_MinZ, int a_MaxZ, EMCSBiome a_Biome)
+{
+	// Translate coords to relative:
+	int Y = 0;
+	int MinChunkX, MinChunkZ, MinX = a_MinX, MinZ = a_MinZ;
+	int MaxChunkX, MaxChunkZ, MaxX = a_MaxX, MaxZ = a_MaxZ;
+	cChunkDef::AbsoluteToRelative(MinX, Y, MinZ, MinChunkX, MinChunkZ);
+	cChunkDef::AbsoluteToRelative(MaxX, Y, MaxZ, MaxChunkX, MaxChunkZ);
+	
+	// Go through all chunks, set:
+	bool res = true;
+	cCSLock Lock(m_CSLayers);
+	for (int x = MinChunkX; x <= MaxChunkX; x++)
+	{
+		int MinRelX = (x == MinChunkX) ? MinX : 0;
+		int MaxRelX = (x == MaxChunkX) ? MaxX : cChunkDef::Width - 1;
+		for (int z = MinChunkZ; z <= MaxChunkZ; z++)
+		{
+			int MinRelZ = (z == MinChunkZ) ? MinZ : 0;
+			int MaxRelZ = (z == MaxChunkZ) ? MaxZ : cChunkDef::Width - 1;
+			cChunkPtr Chunk = GetChunkNoLoad(x, ZERO_CHUNK_Y, z);
+			if ((Chunk != NULL) && Chunk->IsValid())
+			{
+				Chunk->SetAreaBiome(MinRelX, MaxRelX, MinRelZ, MaxRelZ, a_Biome);
+			}
+			else
+			{
+				res = false;
+			}
+		}  // for z
+	}  // for x
+	return res;
+}
+
+
+
+
+
 bool cChunkMap::GetBlocks(sSetBlockVector & a_Blocks, bool a_ContinueOnFailure)
 {
 	bool res = true;
diff --git a/src/ChunkMap.h b/src/ChunkMap.h
index d713d0cf5..9f0dd087e 100644
--- a/src/ChunkMap.h
+++ b/src/ChunkMap.h
@@ -159,8 +159,17 @@ public:
 	/** Special function used for growing trees, replaces only blocks that tree may overwrite */
 	void      ReplaceTreeBlocks(const sSetBlockVector & a_Blocks);
 	
+	/** Returns the biome at the specified coords. Reads the biome from the chunk, if loaded, otherwise uses the world generator to provide the biome value */
 	EMCSBiome GetBiomeAt (int a_BlockX, int a_BlockZ);
 	
+	/** Sets the biome at the specified coords. Returns true if successful, false if not (chunk not loaded).
+	Doesn't resend the chunk to clients. */
+	bool SetBiomeAt(int a_BlockX, int a_BlockZ, EMCSBiome a_Biome);
+	
+	/** Sets the biome at the area. Returns true if successful, false if any subarea failed (chunk not loaded).
+	(Re)sends the chunks to their relevant clients if successful. */
+	bool SetAreaBiome(int a_MinX, int a_MaxX, int a_MinZ, int a_MaxZ, EMCSBiome a_Biome);
+	
 	/** Retrieves block types of the specified blocks. If a chunk is not loaded, doesn't modify the block. Returns true if all blocks were read. */
 	bool GetBlocks(sSetBlockVector & a_Blocks, bool a_ContinueOnFailure);
 
diff --git a/src/ClientHandle.cpp b/src/ClientHandle.cpp
index c91a0c01b..84286fc41 100644
--- a/src/ClientHandle.cpp
+++ b/src/ClientHandle.cpp
@@ -2091,6 +2091,14 @@ void cClientHandle::SendPickupSpawn(const cPickup & a_Pickup)
 
 
 
+void cClientHandle::SendPaintingSpawn(const cPainting & a_Painting)
+{
+	m_Protocol->SendPaintingSpawn(a_Painting);
+}
+
+
+
+
 
 void cClientHandle::SendEntityAnimation(const cEntity & a_Entity, char a_Animation)
 {
diff --git a/src/ClientHandle.h b/src/ClientHandle.h
index 5faa94004..aefca7233 100644
--- a/src/ClientHandle.h
+++ b/src/ClientHandle.h
@@ -27,6 +27,7 @@ class cInventory;
 class cMonster;
 class cPawn;
 class cExpOrb;
+class cPainting;
 class cPickup;
 class cPlayer;
 class cProtocol;
@@ -111,6 +112,7 @@ public:
 	void SendGameMode            (eGameMode a_GameMode);
 	void SendHealth              (void);
 	void SendInventorySlot       (char a_WindowID, short a_SlotNum, const cItem & a_Item);
+	void SendPaintingSpawn       (const cPainting & a_Painting);
 	void SendPickupSpawn         (const cPickup & a_Pickup);
 	void SendEntityAnimation     (const cEntity & a_Entity, char a_Animation);
 	void SendParticleEffect      (const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount);
diff --git a/src/Entities/Entity.h b/src/Entities/Entity.h
index 79150ee51..b3b1cef83 100644
--- a/src/Entities/Entity.h
+++ b/src/Entities/Entity.h
@@ -82,6 +82,7 @@ public:
 		etExpOrb,
 		etFloater,
 		etItemFrame,
+		etPainting,
 		
 		// Common variations
 		etMob = etMonster,  // DEPRECATED, use etMonster instead!
@@ -141,6 +142,7 @@ public:
 	bool IsExpOrb      (void) const { return (m_EntityType == etExpOrb); }
 	bool IsFloater     (void) const { return (m_EntityType == etFloater); }
 	bool IsItemFrame   (void) const { return (m_EntityType == etItemFrame); }
+	bool IsPainting    (void) const { return (m_EntityType == etPainting); }
 	
 	/// Returns true if the entity is of the specified class or a subclass (cPawn's IsA("cEntity") returns true)
 	virtual bool IsA(const char * a_ClassName) const;
diff --git a/src/Entities/Painting.cpp b/src/Entities/Painting.cpp
new file mode 100644
index 000000000..b98c1e67a
--- /dev/null
+++ b/src/Entities/Painting.cpp
@@ -0,0 +1,43 @@
+
+#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#include "Painting.h"
+#include "ClientHandle.h"
+#include "Player.h"
+
+
+
+
+
+cPainting::cPainting(const AString & a_Name, int a_Direction, double a_X, double a_Y, double a_Z)
+	: cEntity(etPainting, a_X, a_Y, a_Z, 1, 1),
+	m_Name(a_Name),
+	m_Direction(a_Direction)
+{
+}
+
+
+
+
+
+
+void cPainting::SpawnOn(cClientHandle & a_Client)
+{
+	a_Client.SendPaintingSpawn(*this);
+}
+
+
+
+
+
+void cPainting::GetDrops(cItems & a_Items, cEntity * a_Killer)
+{
+	if ((a_Killer != NULL) && a_Killer->IsPlayer() && !((cPlayer *)a_Killer)->IsGameModeCreative())
+	{
+		a_Items.push_back(cItem(E_ITEM_PAINTING));
+	}
+}
+
+
+
+
diff --git a/src/Entities/Painting.h b/src/Entities/Painting.h
new file mode 100644
index 000000000..95afbed1e
--- /dev/null
+++ b/src/Entities/Painting.h
@@ -0,0 +1,42 @@
+
+#pragma once
+
+#include "Entity.h"
+
+
+
+
+
+// tolua_begin
+class cPainting :
+	public cEntity
+{
+	// tolua_end
+	typedef cEntity super;
+
+public:
+	CLASS_PROTODEF(cPainting);
+
+	cPainting(const AString & a_Name, int a_Direction, double a_X, double a_Y, double a_Z);
+	const AString & GetName(void) const { return m_Name; } // tolua_export
+	int GetDirection(void) const { return m_Direction; } // tolua_export
+
+private:
+
+	virtual void SpawnOn(cClientHandle & a_Client) override;
+	virtual void Tick(float a_Dt, cChunk & a_Chunk) override {};
+	virtual void GetDrops(cItems & a_Items, cEntity * a_Killer) override;
+	virtual void KilledBy(cEntity * a_Killer) override
+	{
+		super::KilledBy(a_Killer);
+		Destroy();
+	}
+
+	AString m_Name;
+	int m_Direction;
+
+};  // tolua_export
+
+
+
+
diff --git a/src/ForEachChunkProvider.h b/src/ForEachChunkProvider.h
index 70cd2196a..6017173ee 100644
--- a/src/ForEachChunkProvider.h
+++ b/src/ForEachChunkProvider.h
@@ -1,14 +1,39 @@
 
+// ForEachChunkProvider.h
+
+// Declares the cForEachChunkProvider class which acts as an interface for classes that provide a ForEachChunkInRect() function
+// Primarily serves as a decoupling between cBlockArea and cWorld
+
+
+
+
+
 #pragma once
 
-class cChunkDataCallback;
 
+
+
+// fwd:
+class cChunkDataCallback;
 class cBlockArea;
 
+
+
+
+
 class cForEachChunkProvider
 {
 public:
+	/** Calls the callback for each chunk in the specified range. */
 	virtual bool ForEachChunkInRect(int a_MinChunkX, int a_MaxChunkX, int a_MinChunkZ, int a_MaxChunkZ, cChunkDataCallback & a_Callback) = 0;
 	
+	/** Writes the block area into the specified coords.
+	Returns true if all chunks have been processed.
+	a_DataTypes is a bitmask of cBlockArea::baXXX constants ORed together.
+	*/
 	virtual bool WriteBlockArea(cBlockArea & a_Area, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes) = 0;
 };
+
+
+
+
diff --git a/src/Items/ItemHandler.cpp b/src/Items/ItemHandler.cpp
index da1cd768d..945f84b9c 100644
--- a/src/Items/ItemHandler.cpp
+++ b/src/Items/ItemHandler.cpp
@@ -27,6 +27,7 @@
 #include "ItemLighter.h"
 #include "ItemMinecart.h"
 #include "ItemNetherWart.h"
+#include "ItemPainting.h"
 #include "ItemPickaxe.h"
 #include "ItemThrowable.h"
 #include "ItemRedstoneDust.h"
@@ -108,6 +109,7 @@ cItemHandler *cItemHandler::CreateItemHandler(int a_ItemType)
 		case E_ITEM_FLOWER_POT:        return new cItemFlowerPotHandler(a_ItemType);
 		case E_ITEM_ITEM_FRAME:        return new cItemItemFrameHandler(a_ItemType);
 		case E_ITEM_NETHER_WART:       return new cItemNetherWartHandler(a_ItemType);
+		case E_ITEM_PAINTING:          return new cItemPaintingHandler(a_ItemType);
 		case E_ITEM_REDSTONE_DUST:     return new cItemRedstoneDustHandler(a_ItemType);
 		case E_ITEM_REDSTONE_REPEATER: return new cItemRedstoneRepeaterHandler(a_ItemType);
 		case E_ITEM_SHEARS:            return new cItemShearsHandler(a_ItemType);
@@ -307,7 +309,7 @@ char cItemHandler::GetMaxStackSize(void)
 		case E_ITEM_BOWL:                 return 64;
 		case E_ITEM_BREAD:                return 64;
 		case E_ITEM_BREWING_STAND:        return 64;
-		case E_ITEM_BUCKET:               return 1;  // TODO: change this to 16 when turning compatibility to 1.3
+		case E_ITEM_BUCKET:               return 16;
 		case E_ITEM_CARROT:               return 64;
 		case E_ITEM_CAULDRON:             return 64;
 		case E_ITEM_CLAY:                 return 64;
@@ -352,7 +354,7 @@ char cItemHandler::GetMaxStackSize(void)
 		case E_ITEM_MELON_SLICE:          return 64;
 		case E_ITEM_NETHER_BRICK:         return 64;
 		case E_ITEM_NETHER_WART:          return 64;
-		case E_ITEM_PAINTINGS:            return 64;
+		case E_ITEM_PAINTING:             return 64;
 		case E_ITEM_PAPER:                return 64;
 		case E_ITEM_POISONOUS_POTATO:     return 64;
 		case E_ITEM_POTATO:               return 64;
diff --git a/src/Items/ItemPainting.h b/src/Items/ItemPainting.h
new file mode 100644
index 000000000..b85098221
--- /dev/null
+++ b/src/Items/ItemPainting.h
@@ -0,0 +1,98 @@
+
+#pragma once
+
+#include "ItemHandler.h"
+#include "../World.h"
+#include "../Entities/Player.h"
+#include "../Entities/Painting.h"
+
+
+
+
+
+class cItemPaintingHandler :
+	public cItemHandler
+{
+public:
+	cItemPaintingHandler(int a_ItemType)
+		: cItemHandler(a_ItemType)
+	{
+	}
+
+	virtual bool OnItemUse(cWorld * a_World, cPlayer * a_Player, const cItem & a_Item, int a_BlockX, int a_BlockY, int a_BlockZ, eBlockFace a_Dir) override
+	{
+		if (a_Dir == BLOCK_FACE_NONE)
+		{
+			// Client sends this if clicked on top or bottom face
+			return false;
+		}
+
+		AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, a_Dir); // Make sure block that will be occupied is free
+		BLOCKTYPE Block = a_World->GetBlock(a_BlockX, a_BlockY, a_BlockZ);
+		AddFaceDirection(a_BlockX, a_BlockY, a_BlockZ, a_Dir, true); // We want the clicked block, so go back again
+
+		if (Block == E_BLOCK_AIR)
+		{
+			int Dir = 0;
+
+			// The client uses different values for painting directions and block faces. Our constants are for the block faces, so we convert them here to painting faces
+			switch (a_Dir)
+			{
+				case BLOCK_FACE_ZP: break; // Initialised to zero
+				case BLOCK_FACE_ZM: Dir = 2; break;
+				case BLOCK_FACE_XM: Dir = 1; break;
+				case BLOCK_FACE_XP: Dir = 3; break;
+				default: ASSERT(!"Unhandled block face when trying spawn painting!"); return false;
+			}
+
+			static const struct // Define all the possible painting titles
+			{
+				AString Title;
+			} gPaintingTitlesList[] =
+			{
+				{ "Kebab" },
+				{ "Aztec" },
+				{ "Alban" },
+				{ "Aztec2" },
+				{ "Bomb" },
+				{ "Plant" },
+				{ "Wasteland" },
+				{ "Wanderer" },
+				{ "Graham" },
+				{ "Pool" },
+				{ "Courbet" },
+				{ "Sunset" },
+				{ "Sea" },
+				{ "Creebet" },
+				{ "Match" },
+				{ "Bust" },
+				{ "Stage" },
+				{ "Void" },
+				{ "SkullAndRoses" },
+				{ "Wither" },
+				{ "Fighters" },
+				{ "Skeleton" },
+				{ "DonkeyKong" },
+				{ "Pointer" },
+				{ "Pigscene" },
+				{ "BurningSkull" }
+			};
+
+			cPainting * Painting = new cPainting(gPaintingTitlesList[a_World->GetTickRandomNumber(ARRAYCOUNT(gPaintingTitlesList) - 1)].Title, Dir, a_BlockX, a_BlockY, a_BlockZ);
+			Painting->Initialize(a_World);
+
+			if (!a_Player->IsGameModeCreative())
+			{
+				a_Player->GetInventory().RemoveOneEquippedItem();
+			}
+
+			return true;
+
+		}
+		return false;
+	}
+};
+
+
+
+
diff --git a/src/Protocol/Protocol.h b/src/Protocol/Protocol.h
index f5b9fd403..46b627254 100644
--- a/src/Protocol/Protocol.h
+++ b/src/Protocol/Protocol.h
@@ -24,6 +24,7 @@ class cWindow;
 class cInventory;
 class cPawn;
 class cPickup;
+class cPainting;
 class cWorld;
 class cMonster;
 class cChunkDataSerializer;
@@ -81,6 +82,7 @@ public:
 	virtual void SendInventorySlot       (char a_WindowID, short a_SlotNum, const cItem & a_Item) = 0;
 	virtual void SendKeepAlive           (int a_PingID) = 0;
 	virtual void SendLogin               (const cPlayer & a_Player, const cWorld & a_World) = 0;
+	virtual void SendPaintingSpawn       (const cPainting & a_Painting) = 0;
 	virtual void SendPickupSpawn         (const cPickup & a_Pickup) = 0;
 	virtual void SendPlayerAbilities     (void) = 0;
 	virtual void SendEntityAnimation     (const cEntity & a_Entity, char a_Animation) = 0;
diff --git a/src/Protocol/Protocol125.h b/src/Protocol/Protocol125.h
index 1a3209333..54551ea5f 100644
--- a/src/Protocol/Protocol125.h
+++ b/src/Protocol/Protocol125.h
@@ -56,6 +56,7 @@ public:
 	virtual void SendKeepAlive           (int a_PingID) override;
 	virtual void SendLogin               (const cPlayer & a_Player, const cWorld & a_World) override;
 	virtual void SendParticleEffect      (const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount) override;
+	virtual void SendPaintingSpawn       (const cPainting & a_Painting) override {};
 	virtual void SendPickupSpawn         (const cPickup & a_Pickup) override;
 	virtual void SendPlayerAbilities     (void) override {}  // This protocol doesn't support such message
 	virtual void SendEntityAnimation     (const cEntity & a_Entity, char a_Animation) override;
diff --git a/src/Protocol/Protocol17x.cpp b/src/Protocol/Protocol17x.cpp
index 3d6a8f807..0c569c07c 100644
--- a/src/Protocol/Protocol17x.cpp
+++ b/src/Protocol/Protocol17x.cpp
@@ -21,6 +21,7 @@ Implements the 1.7.x protocol classes:
 #include "../Entities/ExpOrb.h"
 #include "../Entities/Minecart.h"
 #include "../Entities/FallingBlock.h"
+#include "../Entities/Painting.h"
 #include "../Entities/Pickup.h"
 #include "../Entities/Player.h"
 #include "../Entities/ItemFrame.h"
@@ -570,6 +571,20 @@ void cProtocol172::SendLogin(const cPlayer & a_Player, const cWorld & a_World)
 
 
 
+void cProtocol172::SendPaintingSpawn(const cPainting & a_Painting)
+{
+	cPacketizer Pkt(*this, 0x10);  // Spawn Painting packet
+	Pkt.WriteVarInt(a_Painting.GetUniqueID());
+	Pkt.WriteString(a_Painting.GetName().c_str());
+	Pkt.WriteInt((int)a_Painting.GetPosX());
+	Pkt.WriteInt((int)a_Painting.GetPosY());
+	Pkt.WriteInt((int)a_Painting.GetPosZ());
+	Pkt.WriteInt(a_Painting.GetDirection());
+}
+
+
+
+
 
 void cProtocol172::SendPickupSpawn(const cPickup & a_Pickup)
 {
diff --git a/src/Protocol/Protocol17x.h b/src/Protocol/Protocol17x.h
index d19be0f05..ae3577867 100644
--- a/src/Protocol/Protocol17x.h
+++ b/src/Protocol/Protocol17x.h
@@ -87,6 +87,7 @@ public:
 	virtual void SendInventorySlot       (char a_WindowID, short a_SlotNum, const cItem & a_Item) override;
 	virtual void SendKeepAlive           (int a_PingID) override;
 	virtual void SendLogin               (const cPlayer & a_Player, const cWorld & a_World) override;
+	virtual void SendPaintingSpawn       (const cPainting & a_Painting) override;
 	virtual void SendPickupSpawn         (const cPickup & a_Pickup) override;
 	virtual void SendPlayerAbilities     (void) override;
 	virtual void SendEntityAnimation     (const cEntity & a_Entity, char a_Animation) override;
diff --git a/src/Protocol/ProtocolRecognizer.cpp b/src/Protocol/ProtocolRecognizer.cpp
index 6e51ee9cd..b658dc9db 100644
--- a/src/Protocol/ProtocolRecognizer.cpp
+++ b/src/Protocol/ProtocolRecognizer.cpp
@@ -405,6 +405,14 @@ void cProtocolRecognizer::SendParticleEffect(const AString & a_ParticleName, flo
 
 
 
+void cProtocolRecognizer::SendPaintingSpawn(const cPainting & a_Painting)
+{
+	m_Protocol->SendPaintingSpawn(a_Painting);
+}
+
+
+
+
 
 void cProtocolRecognizer::SendPickupSpawn(const cPickup & a_Pickup)
 {
diff --git a/src/Protocol/ProtocolRecognizer.h b/src/Protocol/ProtocolRecognizer.h
index 800163be6..abbb22827 100644
--- a/src/Protocol/ProtocolRecognizer.h
+++ b/src/Protocol/ProtocolRecognizer.h
@@ -91,6 +91,7 @@ public:
 	virtual void SendKeepAlive           (int a_PingID) override;
 	virtual void SendLogin               (const cPlayer & a_Player, const cWorld & a_World) override;
 	virtual void SendParticleEffect      (const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount) override;
+	virtual void SendPaintingSpawn       (const cPainting & a_Painting) override;
 	virtual void SendPickupSpawn         (const cPickup & a_Pickup) override;
 	virtual void SendPlayerAbilities     (void) override;
 	virtual void SendEntityAnimation     (const cEntity & a_Entity, char a_Animation) override;
diff --git a/src/World.cpp b/src/World.cpp
index d67ad36d1..e57675c44 100644
--- a/src/World.cpp
+++ b/src/World.cpp
@@ -1487,6 +1487,37 @@ EMCSBiome cWorld::GetBiomeAt (int a_BlockX, int a_BlockZ)
 
 
 
+bool cWorld::SetBiomeAt(int a_BlockX, int a_BlockZ, EMCSBiome a_Biome)
+{
+	return m_ChunkMap->SetBiomeAt(a_BlockX, a_BlockZ, a_Biome);
+}
+
+
+
+
+
+bool cWorld::SetAreaBiome(int a_MinX, int a_MaxX, int a_MinZ, int a_MaxZ, EMCSBiome a_Biome)
+{
+	return m_ChunkMap->SetAreaBiome(a_MinX, a_MaxX, a_MinZ, a_MaxZ, a_Biome);
+}
+
+
+
+
+
+bool cWorld::SetAreaBiome(const cCuboid & a_Area, EMCSBiome a_Biome)
+{
+	return SetAreaBiome(
+		std::min(a_Area.p1.x, a_Area.p2.x), std::max(a_Area.p1.x, a_Area.p2.x),
+		std::min(a_Area.p1.z, a_Area.p2.z), std::max(a_Area.p1.z, a_Area.p2.z),
+		a_Biome
+	);
+}
+
+
+
+
+
 void cWorld::SetBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
 {
 	m_ChunkMap->SetBlock(*this, a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta);
@@ -2490,6 +2521,16 @@ void cWorld::SendChunkTo(int a_ChunkX, int a_ChunkZ, cClientHandle * a_Client)
 
 
 
+void cWorld::ForceSendChunkTo(int a_ChunkX, int a_ChunkZ, cClientHandle * a_Client)
+{
+	a_Client->AddWantedChunk(a_ChunkX, a_ChunkZ);
+	m_ChunkSender.QueueSendChunkTo(a_ChunkX, a_ChunkZ, a_Client);
+}
+
+
+
+
+
 void cWorld::RemoveClientFromChunkSender(cClientHandle * a_Client)
 {
 	m_ChunkSender.RemoveClient(a_Client);
diff --git a/src/World.h b/src/World.h
index 97358b88a..d79de3b87 100644
--- a/src/World.h
+++ b/src/World.h
@@ -47,6 +47,7 @@ class cFurnaceEntity;
 class cNoteEntity;
 class cMobCensus;
 class cCompositeChat;
+class cCuboid;
 
 typedef std::list< cPlayer * > cPlayerList;
 
@@ -64,7 +65,10 @@ typedef cItemCallback<cCommandBlockEntity> cCommandBlockCallback;
 
 
 // tolua_begin
-class cWorld : public cForEachChunkProvider, public cWorldInterface, public cBroadcastInterface
+class cWorld :
+	public cForEachChunkProvider,
+	public cWorldInterface,
+	public cBroadcastInterface
 {
 public:
 
@@ -303,9 +307,14 @@ public:
 	/** Removes the client from all chunks it is present in */
 	void RemoveClientFromChunks(cClientHandle * a_Client);
 	
-	/** Sends the chunk to the client specified, if the chunk is valid. If not valid, the request is postponed (ChunkSender will send that chunk when it becomes valid+lighted) */
+	/** Sends the chunk to the client specified, if the client doesn't have the chunk yet.
+	If chunk not valid, the request is postponed (ChunkSender will send that chunk when it becomes valid + lighted). */
 	void SendChunkTo(int a_ChunkX, int a_ChunkZ, cClientHandle * a_Client);
 	
+	/** Sends the chunk to the client specified, even if the client already has the chunk.
+	If the chunk's not valid, the request is postponed (ChunkSender will send that chunk when it becomes valid + lighted). */
+	void ForceSendChunkTo(int a_ChunkX, int a_ChunkZ, cClientHandle * a_Client);
+	
 	/** Removes client from ChunkSender's queue of chunks to be sent */
 	void RemoveClientFromChunkSender(cClientHandle * a_Client);
 	
@@ -401,15 +410,15 @@ public:
 	Prefer cBlockArea::Write() instead, this is the internal implementation; cBlockArea does error checking, too.
 	a_DataTypes is a bitmask of cBlockArea::baXXX constants ORed together.
 	*/
-	virtual bool WriteBlockArea(cBlockArea & a_Area, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes);
+	virtual bool WriteBlockArea(cBlockArea & a_Area, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes) override;
 	
 	// tolua_begin
 
 	/** Spawns item pickups for each item in the list. May compress pickups if too many entities: */
-	virtual void SpawnItemPickups(const cItems & a_Pickups, double a_BlockX, double a_BlockY, double a_BlockZ, double a_FlyAwaySpeed = 1.0, bool IsPlayerCreated = false);
+	virtual void SpawnItemPickups(const cItems & a_Pickups, double a_BlockX, double a_BlockY, double a_BlockZ, double a_FlyAwaySpeed = 1.0, bool IsPlayerCreated = false);  // override; cannot specify it here due to tolua
 	
 	/** Spawns item pickups for each item in the list. May compress pickups if too many entities. All pickups get the speed specified: */
-	virtual void SpawnItemPickups(const cItems & a_Pickups, double a_BlockX, double a_BlockY, double a_BlockZ, double a_SpeedX, double a_SpeedY, double a_SpeedZ, bool IsPlayerCreated = false);
+	virtual void SpawnItemPickups(const cItems & a_Pickups, double a_BlockX, double a_BlockY, double a_BlockZ, double a_SpeedX, double a_SpeedY, double a_SpeedZ, bool IsPlayerCreated = false);  // override; cannot specify it here due to tolua
 	
 	/** Spawns an falling block entity at the given position. It returns the UniqueID of the spawned falling block. */
 	int SpawnFallingBlock(int a_X, int a_Y, int a_Z, BLOCKTYPE BlockType, NIBBLETYPE BlockMeta);
@@ -546,6 +555,19 @@ public:
 	
 	/** Returns the biome at the specified coords. Reads the biome from the chunk, if loaded, otherwise uses the world generator to provide the biome value */
 	EMCSBiome GetBiomeAt(int a_BlockX, int a_BlockZ);
+	
+	/** Sets the biome at the specified coords. Returns true if successful, false if not (chunk not loaded).
+	Doesn't resend the chunk to clients, use ForceSendChunkTo() for that. */
+	bool SetBiomeAt(int a_BlockX, int a_BlockZ, EMCSBiome a_Biome);
+	
+	/** Sets the biome at the area. Returns true if successful, false if any subarea failed (chunk not loaded).
+	(Re)sends the chunks to their relevant clients if successful. */
+	bool SetAreaBiome(int a_MinX, int a_MaxX, int a_MinZ, int a_MaxZ, EMCSBiome a_Biome);
+	
+	/** Sets the biome at the area. Returns true if successful, false if any subarea failed (chunk not loaded).
+	(Re)sends the chunks to their relevant clients if successful.
+	The cuboid needn't be sorted. */
+	bool SetAreaBiome(const cCuboid & a_Area, EMCSBiome a_Biome);
 
 	/** Returns the name of the world */
 	const AString & GetName(void) const { return m_WorldName; }
diff --git a/src/WorldStorage/NBTChunkSerializer.cpp b/src/WorldStorage/NBTChunkSerializer.cpp
index 4f1e88b21..c7aaa2633 100644
--- a/src/WorldStorage/NBTChunkSerializer.cpp
+++ b/src/WorldStorage/NBTChunkSerializer.cpp
@@ -628,6 +628,7 @@ void cNBTChunkSerializer::Entity(cEntity * a_Entity)
 		case cEntity::etTNT: /* TODO */ break;
 		case cEntity::etExpOrb: /* TODO */ break;
 		case cEntity::etItemFrame: /* TODO */ break;
+		case cEntity::etPainting: /* TODO */ break;
 		case cEntity::etPlayer: return;  // Players aren't saved into the world
 		default:
 		{