10 files changed, 442 insertions, 324 deletions

diff --git a/items.ini b/items.ini
index 467345f04..d5d693c74 100644
--- a/items.ini
+++ b/items.ini
@@ -213,5 +213,8 @@ dye=351
 inksac=351:0

 cactusgreen=351:2

 shears=359

+melonslice=360

+pumpkinseeds=361

+melonseeds=362

 goldrecord=2256

 greenrecord=2257
\ No newline at end of file
diff --git a/source/BlockID.h b/source/BlockID.h
index 2cb66776b..03a48491f 100644
--- a/source/BlockID.h
+++ b/source/BlockID.h
@@ -65,7 +65,8 @@ enum ENUM_BLOCK_ID
 	E_BLOCK_DIAMOND_BLOCK = 57,

 	E_BLOCK_WORKBENCH = 58,

 	E_BLOCK_CROPS = 59,

-	E_BLOCK_SOIL = 60,

+	E_BLOCK_SOIL = 60,  // Deprecated, use E_BLOCK_FARMLAND instead

+	E_BLOCK_FARMLAND = 60,

 	E_BLOCK_FURNACE = 61,

 	E_BLOCK_BURNING_FURNACE = 62,

 	E_BLOCK_SIGN_POST = 63,

diff --git a/source/Defines.h b/source/Defines.h
index 2c9729223..5ec09fb1e 100644
--- a/source/Defines.h
+++ b/source/Defines.h
@@ -18,7 +18,7 @@ extern bool g_BlockOneHitDig[];
 inline bool IsValidBlock( int a_BlockID )	//tolua_export

 {											//tolua_export

 	if( a_BlockID > -1 &&

-		a_BlockID <= 121 && //items to 109 are valid for 1.8.1.. 1.9.5 is up to 121

+		a_BlockID <= 126 && //items to 109 are valid for Beta1.8.1.. 1.2.5 is up to 126

 		//a_BlockID != 29 && allow pistons

 		//a_BlockID != 33 && allow pistons

 		a_BlockID != 34 &&

@@ -29,6 +29,10 @@ inline bool IsValidBlock( int a_BlockID )	//tolua_export
 	return false;

 }											//tolua_export

 

+

+

+

+

 // Was old :o

 // Changed to fit the style ;)

 inline bool IsValidItem( int a_ItemID )		//tolua_export

@@ -45,16 +49,28 @@ inline bool IsValidItem( int a_ItemID )		//tolua_export
 	return IsValidBlock( a_ItemID );

 }											//tolua_export

 

+

+

+

+

 inline bool IsBlockWater(char a_BlockID)

 {

 	return (a_BlockID == E_BLOCK_WATER || a_BlockID == E_BLOCK_STATIONARY_WATER);

 }

 

+

+

+

+

 inline bool IsBlockLava(char a_BlockID)

 {

 	return (a_BlockID == E_BLOCK_LAVA || a_BlockID == E_BLOCK_STATIONARY_LAVA);

 }

 

+

+

+

+

 inline void AddDirection( int & a_X, int & a_Y, int & a_Z, char a_Direction, bool a_bInverse = false )

 {

 	if( !a_bInverse )

@@ -107,6 +123,10 @@ inline void AddDirection( int & a_X, int & a_Y, int & a_Z, char a_Direction, boo
 	}

 }

 

+

+

+

+

 inline void AddDirection( int & a_X, unsigned char & a_Y, int & a_Z, char a_Direction, bool a_bInverse = false ) //tolua_export

 {//tolua_export

 	int Y = a_Y;

@@ -116,6 +136,10 @@ inline void AddDirection( int & a_X, unsigned char & a_Y, int & a_Z, char a_Dire
 	else a_Y = (unsigned char)Y;

 }//tolua_export

 

+

+

+

+

 #include <math.h>

 #define PI				3.14159265358979323846264338327950288419716939937510582097494459072381640628620899862803482534211706798f

 #define MIN(a,b) (((a)>(b))?(b):(a))

@@ -130,6 +154,10 @@ inline void EulerToVector( float a_Pan, float a_Pitch, float & a_X, float & a_Y,
 	a_Z = sin(a_Pitch / 180 * PI);

 }

 

+

+

+

+

 inline void VectorToEuler( float a_X, float a_Y, float a_Z, float & a_Pan, float & a_Pitch )

 {

 	if( a_X != 0 )

@@ -139,11 +167,19 @@ inline void VectorToEuler( float a_X, float a_Y, float a_Z, float & a_Pan, float
 	a_Pitch = atan2(a_Y, sqrtf((a_X * a_X) + (a_Z * a_Z))) * 180 / PI;

 }

 

+

+

+

+

 inline float GetSignf( float a_Val )

 {

 	return (a_Val < 0.f)?-1.f:1.f;

 }

 

+

+

+

+

 inline float GetSpecialSignf( float a_Val )

 {

 	return (a_Val <= 0.f)?-1.f:1.f;

@@ -151,36 +187,68 @@ inline float GetSpecialSignf( float a_Val )
 

 

 

+

+

 namespace ItemCategory

 {

 	inline bool IsPickaxe(ENUM_ITEM_ID a_ItemID)

 	{

-		return a_ItemID == E_ITEM_WOODEN_PICKAXE

-			|| a_ItemID == E_ITEM_STONE_PICKAXE

-			|| a_ItemID == E_ITEM_IRON_PICKAXE

-			|| a_ItemID == E_ITEM_GOLD_PICKAXE

-			|| a_ItemID == E_ITEM_DIAMOND_PICKAXE;

+		return (a_ItemID == E_ITEM_WOODEN_PICKAXE)

+			|| (a_ItemID == E_ITEM_STONE_PICKAXE)

+			|| (a_ItemID == E_ITEM_IRON_PICKAXE)

+			|| (a_ItemID == E_ITEM_GOLD_PICKAXE)

+			|| (a_ItemID == E_ITEM_DIAMOND_PICKAXE);

 	}

 

+

+

 	inline bool IsAxe(ENUM_ITEM_ID a_ItemID)

 	{

-		return a_ItemID == E_ITEM_WOODEN_AXE

-			|| a_ItemID == E_ITEM_STONE_AXE

-			|| a_ItemID == E_ITEM_IRON_AXE

-			|| a_ItemID == E_ITEM_GOLD_AXE

-			|| a_ItemID == E_ITEM_DIAMOND_AXE;

+		return (a_ItemID == E_ITEM_WOODEN_AXE)

+			|| (a_ItemID == E_ITEM_STONE_AXE)

+			|| (a_ItemID == E_ITEM_IRON_AXE)

+			|| (a_ItemID == E_ITEM_GOLD_AXE)

+			|| (a_ItemID == E_ITEM_DIAMOND_AXE);

 	}

 

+

+

 	inline bool IsSword(ENUM_ITEM_ID a_ItemID)

 	{

-		return a_ItemID == E_ITEM_WOODEN_SWORD

-			|| a_ItemID == E_ITEM_STONE_SWORD

-			|| a_ItemID == E_ITEM_IRON_SWORD

-			|| a_ItemID == E_ITEM_GOLD_SWORD

-			|| a_ItemID == E_ITEM_DIAMOND_SWORD;

+		return (a_ItemID == E_ITEM_WOODEN_SWORD)

+			|| (a_ItemID == E_ITEM_STONE_SWORD)

+			|| (a_ItemID == E_ITEM_IRON_SWORD)

+			|| (a_ItemID == E_ITEM_GOLD_SWORD)

+			|| (a_ItemID == E_ITEM_DIAMOND_SWORD);

+	}

+

+

+

+	inline bool IsHoe(ENUM_ITEM_ID a_ItemID)

+	{

+		return (a_ItemID == E_ITEM_WOODEN_HOE)

+			|| (a_ItemID == E_ITEM_STONE_HOE)

+			|| (a_ItemID == E_ITEM_IRON_HOE)

+			|| (a_ItemID == E_ITEM_GOLD_HOE)

+			|| (a_ItemID == E_ITEM_DIAMOND_HOE);

+	}

+	

+	

+	

+	inline bool IsShovel(ENUM_ITEM_ID a_ItemID)

+	{

+		return (a_ItemID == E_ITEM_WOODEN_SHOVEL)

+			|| (a_ItemID == E_ITEM_STONE_SHOVEL)

+			|| (a_ItemID == E_ITEM_IRON_SHOVEL)

+			|| (a_ItemID == E_ITEM_GOLD_SHOVEL)

+			|| (a_ItemID == E_ITEM_DIAMOND_SHOVEL);

 	}

 }

 

+

+

+

+

 //tolua_begin

 enum eGameMode

 {

@@ -188,6 +256,10 @@ enum eGameMode
 	eGameMode_Creative    = 1,

 };

 

+

+

+

+

 enum eWeather

 {

 	eWeather_Sunny		  = 0,

@@ -195,4 +267,12 @@ enum eWeather
 	eWeather_ThunderStorm = 2,

 

 };

-//tolua_end
\ No newline at end of file
+

+

+

+

+//tolua_end

+

+

+

+

diff --git a/source/cChunk.cpp b/source/cChunk.cpp
index 90d94a1ce..ff8badc19 100644
--- a/source/cChunk.cpp
+++ b/source/cChunk.cpp
@@ -542,6 +542,16 @@ void cChunk::Tick(float a_Dt, MTRand & a_TickRandom)
 void cChunk::TickBlocks(MTRand & a_TickRandom)

 {

 	// Tick dem blocks

+	/*

+	// DEBUG:

+	int RandomX = 0;

+	int RandomY = 1;

+	int RandomZ = 0;

+	m_BlockTickX = 0;

+	m_BlockTickY = 40;

+	m_BlockTickZ = 0;

+	*/

+	

 	int RandomX = a_TickRandom.randInt();

 	int RandomY = a_TickRandom.randInt();

 	int RandomZ = a_TickRandom.randInt();

@@ -552,41 +562,43 @@ void cChunk::TickBlocks(MTRand & a_TickRandom)
 		m_BlockTickY = (m_BlockTickY + RandomY) % Height;

 		m_BlockTickZ = (m_BlockTickZ + RandomZ) % Width;

 

-		if( m_BlockTickY > m_HeightMap[ m_BlockTickX + m_BlockTickZ * Width ] ) continue; // It's all air up here

+		if (m_BlockTickY > m_HeightMap[ m_BlockTickX + m_BlockTickZ * Width])

+		{

+			continue; // It's all air up here

+		}

 

 		unsigned int Index = MakeIndexNoCheck( m_BlockTickX, m_BlockTickY, m_BlockTickZ );

-		char ID = m_BlockTypes[Index];

+		BLOCKTYPE ID = m_BlockTypes[Index];

 		switch( ID )

 		{

-			/*

-			// TODO: re-enable

-			case E_BLOCK_DIRT:

+			case E_BLOCK_GRASS:

 			{

-				char AboveBlock = GetBlock( Index+1 );

-				if ( (AboveBlock == 0) && GetNibble( m_BlockSkyLight, Index ) > 0xf/2 ) // Half lit //changed to not allow grass if any one hit object is on top

-				{

-					FastSetBlock( m_BlockTickX, m_BlockTickY, m_BlockTickZ, E_BLOCK_GRASS, GetNibble( m_BlockMeta, Index ) );

-				}

-				if ( (g_BlockOneHitDig[AboveBlock]) && GetNibble( m_BlockSkyLight, Index+1 ) > 0xf/2 ) // Half lit //ch$

+				// Grass turns into dirt if there's another block on top of it:

+				BLOCKTYPE AboveBlock = GetBlock(Index + (Width * Width) );

+				if (!( (AboveBlock == E_BLOCK_AIR) || (g_BlockOneHitDig[AboveBlock]) || (g_BlockTransparent[AboveBlock]) ) )

 				{

-					FastSetBlock( m_BlockTickX, m_BlockTickY, m_BlockTickZ, E_BLOCK_GRASS, GetNibble( m_BlockMeta, Index ) );

+					FastSetBlock( m_BlockTickX, m_BlockTickY, m_BlockTickZ, E_BLOCK_DIRT, GetNibble( m_BlockMeta, Index ) );

 				}

-

+				

+				// TODO: Grass spreads to nearby blocks if there's enough light and free space above that block

+				// Ref.: http://www.minecraftwiki.net/wiki/Grass_Block#Growth

 				break;

 			}

-			*/

 			

-			case E_BLOCK_GRASS:

+			case E_BLOCK_CROPS:

 			{

-				char AboveBlock = GetBlock( Index + (Width * Width) );

-				if (!( (AboveBlock == E_BLOCK_AIR) || (g_BlockOneHitDig[AboveBlock]) || (g_BlockTransparent[AboveBlock]) ) )

+				NIBBLETYPE Meta = GetMeta(Index);

+				if (Meta < 7)

 				{

-					FastSetBlock( m_BlockTickX, m_BlockTickY, m_BlockTickZ, E_BLOCK_DIRT, GetNibble( m_BlockMeta, Index ) );

+					FastSetBlock(m_BlockTickX, m_BlockTickY, m_BlockTickZ, E_BLOCK_CROPS, ++Meta);

 				}

 				break;

 			}

 			

-			case E_BLOCK_SAPLING: //todo: check meta of sapling. change m_World->GrowTree to look change trunk and leaves based on meta of sapling

+			case E_BLOCK_PUMPKIN_STEM:

+			case E_BLOCK_MELON_STEM: TickMelonPumpkin(m_BlockTickX, m_BlockTickY, m_BlockTickZ, Index, ID, a_TickRandom); break;

+			

+			case E_BLOCK_SAPLING:

 			{

 				// Check the highest bit, if set, grow the tree, if not, set it (1-bit delay):

 				NIBBLETYPE Meta = GetMeta(m_BlockTickX, m_BlockTickY, m_BlockTickZ);

@@ -618,6 +630,151 @@ void cChunk::TickBlocks(MTRand & a_TickRandom)
 

 

 

+void cChunk::TickMelonPumpkin(int a_RelX, int a_RelY, int a_RelZ, int a_BlockIdx, BLOCKTYPE a_BlockType, MTRand & a_TickRandom)

+{

+	NIBBLETYPE Meta = GetMeta(a_BlockIdx);

+	if (Meta < 7)

+	{

+		FastSetBlock(m_BlockTickX, m_BlockTickY, m_BlockTickZ, a_BlockType, ++Meta);

+		return;

+	}

+	

+	// Convert the stem BlockType into produce BlockType

+	BLOCKTYPE ProduceType;

+	switch (a_BlockType)

+	{

+		case E_BLOCK_MELON_STEM:   ProduceType = E_BLOCK_MELON;   break;

+		case E_BLOCK_PUMPKIN_STEM: ProduceType = E_BLOCK_PUMPKIN; break;

+		default:

+		{

+			ASSERT(!"Unhandled blocktype in TickMelonPumpkin()");

+			return;

+		}

+	}

+

+	// Check if there's another melon / pumpkin around that stem, if so, abort:

+	bool IsValid;

+	BLOCKTYPE BlockType[4];

+	NIBBLETYPE BlockMeta;  // unused

+	IsValid =            UnboundedRelGetBlock(a_RelX + 1, a_RelY, a_RelZ,     BlockType[0], BlockMeta);

+	IsValid = IsValid && UnboundedRelGetBlock(a_RelX - 1, a_RelY, a_RelZ,     BlockType[1], BlockMeta);

+	IsValid = IsValid && UnboundedRelGetBlock(a_RelX,     a_RelY, a_RelZ + 1, BlockType[2], BlockMeta);

+	IsValid = IsValid && UnboundedRelGetBlock(a_RelX,     a_RelY, a_RelZ - 1, BlockType[3], BlockMeta);

+	if (

+		!IsValid || 

+		(BlockType[0] == ProduceType) || 

+		(BlockType[1] == ProduceType) || 

+		(BlockType[2] == ProduceType) || 

+		(BlockType[3] == ProduceType)

+	)

+	{

+		// Neighbors not valid or already taken by the same produce

+		return;

+	}

+	

+	// Pick a direction in which to place the produce:

+	int x = 0, z = 0;

+	int CheckType = a_TickRandom.randInt(4);  // The index to the neighbors array which should be checked for emptiness

+	switch (CheckType)

+	{

+		case 0: x =  1; break;

+		case 1: x = -1; break;

+		case 2: z =  1; break;

+		case 3: z = -1; break;

+	}

+	

+	// Check that the block in that direction is empty:

+	switch (BlockType[CheckType])

+	{

+		case E_BLOCK_AIR:

+		case E_BLOCK_SNOW:

+		case E_BLOCK_TALL_GRASS:

+		case E_BLOCK_DEAD_BUSH:

+		{

+			break;

+		}

+		default: return;

+	}

+	

+	// Check if there's soil under the neighbor. We already know the neighbors are valid. Place produce if ok

+	BLOCKTYPE Soil;

+	UnboundedRelGetBlock(a_RelX + x, a_RelY, a_RelZ + z, Soil, BlockMeta);

+	switch (Soil)

+	{

+		case E_BLOCK_DIRT:

+		case E_BLOCK_GRASS:

+		case E_BLOCK_FARMLAND:

+		{

+			// Place a randomly-facing produce:

+			UnboundedRelFastSetBlock(a_RelX + x, a_RelY, a_RelZ + z, ProduceType, (NIBBLETYPE)(a_TickRandom.randInt(4) % 4));

+			break;

+		}

+	}

+}

+

+

+

+

+

+bool cChunk::UnboundedRelGetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta)

+{

+	if ((a_RelX >= 0) && (a_RelX <= cChunkDef::Width) && (a_RelZ >= 0) && (a_RelZ <= cChunkDef::Width))

+	{

+		int BlockIdx = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ);

+		a_BlockType = GetBlock(BlockIdx);

+		a_BlockMeta = GetMeta(BlockIdx);

+		return true;

+	}

+	return m_ChunkMap->LockedGetBlock(

+		m_PosX * cChunkDef::Width + a_RelX,

+		ZERO_CHUNK_Y * cChunkDef::Height + a_RelY,

+		m_PosZ * cChunkDef::Width + a_RelZ,

+		a_BlockType, a_BlockMeta

+	);

+}

+

+

+

+

+

+bool cChunk::UnboundedRelSetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)

+{

+	if ((a_RelX >= 0) && (a_RelX <= cChunkDef::Width) && (a_RelZ >= 0) && (a_RelZ <= cChunkDef::Width))

+	{

+		SetBlock(a_RelX, a_RelY, a_RelZ, a_BlockType, a_BlockMeta);

+		return true;

+	}

+	return m_ChunkMap->LockedSetBlock(

+		m_PosX * cChunkDef::Width + a_RelX,

+		ZERO_CHUNK_Y * cChunkDef::Height + a_RelY,

+		m_PosZ * cChunkDef::Width + a_RelZ,

+		a_BlockType, a_BlockMeta

+	);

+}

+

+

+

+

+

+bool cChunk::UnboundedRelFastSetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)

+{

+	if ((a_RelX >= 0) && (a_RelX <= cChunkDef::Width) && (a_RelZ >= 0) && (a_RelZ <= cChunkDef::Width))

+	{

+		FastSetBlock(a_RelX, a_RelY, a_RelZ, a_BlockType, a_BlockMeta);

+		return true;

+	}

+	return m_ChunkMap->LockedFastSetBlock(

+		m_PosX * cChunkDef::Width + a_RelX,

+		ZERO_CHUNK_Y * cChunkDef::Height + a_RelY,

+		m_PosZ * cChunkDef::Width + a_RelZ,

+		a_BlockType, a_BlockMeta

+	);

+}

+

+

+

+

+

 int cChunk::GetHeight( int a_X, int a_Z )

 {

 	ASSERT((a_X >= 0) && (a_X < Width) && (a_Z >= 0) && (a_Z < Width));

@@ -704,176 +861,6 @@ void cChunk::CalculateHeightmap()
 

 

 

-void cChunk::CalculateLighting()

-{

-	// Calculate sunlight

-	memset(m_BlockSkyLight, 0xff, NumBlocks / 2 ); // Set all to fully lit, so everything above HeightMap is lit

-	for (int x = 0; x < Width; x++)

-	{

-		for (int z = 0; z < Width; z++)

-		{

-			char sunlight = 0xf;

-			for (int y = m_HeightMap[x + z*Width]; y > -1; y--)

-			{

-				int index = MakeIndexNoCheck(x, y, z);

-

-				if( g_BlockTransparent[ (int)m_BlockTypes[index] ] == false )

-				{

-					sunlight = 0x0;

-				}

-				SetNibble( m_BlockSkyLight, index, sunlight );

-			}

-		}

-	}

-

-	// Calculate blocklights

-	for (int x = 0; x < Width; x++)

-	{

-		for (int z = 0; z < Width; z++)

-		{

-			int MaxHeight = m_HeightMap[x + z * Width];

-			for (int y = 0; y < MaxHeight; y++)

-			{

-				char BlockID = GetBlock(x, y, z);

-				SetNibble( m_BlockLight, x, y, z, g_BlockLightValue[(int)BlockID] );

-			}

-		}

-	}

-

-	SpreadLight(m_BlockSkyLight);

-	SpreadLight(m_BlockLight);

-

-	MarkDirty();

-}

-

-

-

-

-

-void cChunk::SpreadLight(NIBBLETYPE * a_LightBuffer)

-{

-	// Spread the light

-	for(int x = 0; x < Width; x++)	for(int z = 0; z < Width; z++)	for(int y = 0; y < Height; y++)

-	{

-		int index = MakeIndexNoCheck(x, y, z);

-		if( g_BlockSpreadLightFalloff[ m_BlockTypes[index] ] > 0 )

-		{

-			SpreadLightOfBlock(a_LightBuffer, x, y, z, g_BlockSpreadLightFalloff[ m_BlockTypes[index] ]);

-		}

-	}

-

-	for(int x = Width-1; x > -1; x--) for(int z = Width-1; z > -1; z--) for(int y = Height-1; y > -1; y--)

-	{

-		int index = MakeIndexNoCheck(x, y, z);

-		if( g_BlockSpreadLightFalloff[ m_BlockTypes[index] ] > 0 )

-		{

-			SpreadLightOfBlock(a_LightBuffer, x, y, z, g_BlockSpreadLightFalloff[ m_BlockTypes[index] ]);

-		}

-	}

-

-	bool bCalcLeft, bCalcRight, bCalcFront, bCalcBack;

-	bCalcLeft = bCalcRight = bCalcFront = bCalcBack = false;

-	

-	// Spread to neighbour chunks X-axis

-	cChunkPtr LeftChunk  = m_ChunkMap->GetChunkNoGen( m_PosX - 1, m_PosY, m_PosZ );

-	cChunkPtr RightChunk = m_ChunkMap->GetChunkNoGen( m_PosX + 1, m_PosY, m_PosZ );

-	NIBBLETYPE * LeftSky = NULL, * RightSky = NULL;

-	if (LeftChunk->IsValid())

-	{

-		LeftSky = (a_LightBuffer == m_BlockSkyLight) ? LeftChunk->m_BlockSkyLight : LeftChunk->m_BlockLight;

-	}

-	if (RightChunk->IsValid())

-	{

-		RightSky = (a_LightBuffer == m_BlockSkyLight) ? RightChunk->m_BlockSkyLight : RightChunk->m_BlockLight;

-	}

-	

-	for (int z = 0; z < Width; z++) for(int y = 0; y < Height; y++)

-	{

-		if (LeftSky != NULL)

-		{

-			int index = MakeIndexNoCheck( 0, y, z );

-			if( g_BlockSpreadLightFalloff[ m_BlockTypes[index] ] > 0 )

-			{

-				BLOCKTYPE CurrentLight = GetNibble( a_LightBuffer, 0, y, z );

-				BLOCKTYPE LeftLight = GetNibble( LeftSky, Width-1, y, z );

-				if( LeftLight < CurrentLight-g_BlockSpreadLightFalloff[ m_BlockTypes[index] ] )

-				{

-					SetNibble( LeftSky, Width - 1, y, z, MAX(0, CurrentLight-g_BlockSpreadLightFalloff[ m_BlockTypes[index] ]) );

-					bCalcLeft = true;

-				}

-			}

-		}

-		if (RightSky != NULL)

-		{

-			int index = MakeIndexNoCheck( Width - 1, y, z );

-			if( g_BlockSpreadLightFalloff[ m_BlockTypes[index] ] > 0 )

-			{

-				BLOCKTYPE CurrentLight = GetNibble( a_LightBuffer, Width-1, y, z );

-				BLOCKTYPE RightLight = GetNibble( RightSky, 0, y, z );

-				if( RightLight < CurrentLight-g_BlockSpreadLightFalloff[ m_BlockTypes[index] ] )

-				{

-					SetNibble( RightSky, 0, y, z,  MAX(0, CurrentLight-g_BlockSpreadLightFalloff[ m_BlockTypes[index] ]) );

-					bCalcRight = true;

-				}

-			}

-		}

-	}

-

-	// Spread to neighbour chunks Z-axis

-	cChunkPtr FrontChunk = m_ChunkMap->GetChunkNoGen( m_PosX, m_PosY, m_PosZ - 1 );

-	cChunkPtr BackChunk  = m_ChunkMap->GetChunkNoGen( m_PosX, m_PosY, m_PosZ + 1 );

-	NIBBLETYPE * FrontSky = NULL, * BackSky = NULL;

-	if (FrontChunk->IsValid())

-	{

-		FrontSky = (a_LightBuffer == m_BlockSkyLight) ? FrontChunk->m_BlockSkyLight : FrontChunk->m_BlockLight;

-	}

-	if (BackChunk->IsValid())

-	{

-		BackSky = (a_LightBuffer == m_BlockSkyLight) ? BackChunk->m_BlockSkyLight : BackChunk->m_BlockLight;

-	}

-	for(int x = 0; x < Width; x++)	for(int y = 0; y < Height; y++)

-	{

-		if (FrontSky != NULL)

-		{

-			int index = MakeIndexNoCheck( x, y, 0 );

-			if( g_BlockSpreadLightFalloff[ m_BlockTypes[index] ] > 0 )

-			{

-				BLOCKTYPE CurrentLight = GetNibble( a_LightBuffer, x, y, 0 );

-				BLOCKTYPE FrontLight = GetNibble( FrontSky, x, y, Width-1 );

-				if( FrontLight < CurrentLight-g_BlockSpreadLightFalloff[ m_BlockTypes[index] ] )

-				{

-					SetNibble( FrontSky, x, y, Width-1,  MAX(0, CurrentLight-g_BlockSpreadLightFalloff[ m_BlockTypes[index] ]) );

-					bCalcFront = true;

-				}

-			}

-		}

-		if (BackSky != NULL)

-		{

-			int index = MakeIndexNoCheck( x, y, Width-1 );

-			if( g_BlockSpreadLightFalloff[ m_BlockTypes[index] ] > 0 )

-			{

-				BLOCKTYPE CurrentLight = GetNibble( a_LightBuffer, x, y, Width-1 );

-				BLOCKTYPE BackLight = GetNibble( BackSky, x, y, 0 );

-				if ( BackLight < CurrentLight-g_BlockSpreadLightFalloff[ m_BlockTypes[index] ] )

-				{

-					SetNibble( BackSky, x, y, 0, MAX(0, CurrentLight-g_BlockSpreadLightFalloff[ m_BlockTypes[index] ]) );

-					bCalcBack = true;

-				}

-			}

-		}

-	}

-

-	if ( bCalcLeft )  m_World->ReSpreadLighting( m_PosX - 1, m_PosY, m_PosZ );

-	if ( bCalcRight ) m_World->ReSpreadLighting( m_PosX + 1, m_PosY, m_PosZ );

-	if ( bCalcFront ) m_World->ReSpreadLighting( m_PosX, m_PosY, m_PosZ - 1 );

-	if ( bCalcBack )  m_World->ReSpreadLighting( m_PosX, m_PosY, m_PosZ + 1 );

-	// No need to set those neighbors dirty, they will recalc their light anyway so they'll get marked dirty there

-}

-

-

-

-

-

 void cChunk::SetBlock( int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta )

 {

 	if (a_RelX < 0 || a_RelX >= Width || a_RelY < 0 || a_RelY >= Height || a_RelZ < 0 || a_RelZ >= Width)

diff --git a/source/cChunk.h b/source/cChunk.h
index 5b3021397..860c5c133 100644
--- a/source/cChunk.h
+++ b/source/cChunk.h
@@ -108,7 +108,6 @@ public:
 	void Stay(bool a_Stay = true);

 	

 	void Tick(float a_Dt, MTRand & a_TickRandom);

-	void TickBlocks(MTRand & a_TickRandom);

 

 	int GetPosX() { return m_PosX; }

 	int GetPosY() { return m_PosY; }

@@ -172,12 +171,9 @@ public:
 		m_IsSaving = false;

 	}

 	

-	inline void SpreadBlockSkyLight(void) {SpreadLight(m_BlockSkyLight); }

-	inline void SpreadBlockLight   (void) {SpreadLight(m_BlockLight); }

-	

-	inline NIBBLETYPE GetMeta(int a_RelX, int a_RelY, int a_RelZ)                   {return cChunkDef::GetNibble(m_BlockMeta, a_RelX, a_RelY, a_RelZ); }

-	inline NIBBLETYPE GetMeta(int a_BlockIdx)                                       {return cChunkDef::GetNibble(m_BlockMeta, a_BlockIdx); }

-	inline void       SetMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_Meta) {       cChunkDef::SetNibble(m_BlockMeta, a_RelX, a_RelY, a_RelZ, a_Meta); }

+	inline NIBBLETYPE GetMeta(int a_RelX, int a_RelY, int a_RelZ)                    {return cChunkDef::GetNibble(m_BlockMeta, a_RelX, a_RelY, a_RelZ); }

+	inline NIBBLETYPE GetMeta(int a_BlockIdx)                                        {return cChunkDef::GetNibble(m_BlockMeta, a_BlockIdx); }

+	inline void       SetMeta(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE a_Meta) {       cChunkDef::SetNibble(m_BlockMeta, a_RelX, a_RelY, a_RelZ, a_Meta); }

 

 	inline NIBBLETYPE GetLight(int a_RelX, int a_RelY, int a_RelZ)    {return cChunkDef::GetNibble(m_BlockLight, a_RelX, a_RelY, a_RelZ); }

 	inline NIBBLETYPE GetSkyLight(int a_RelX, int a_RelY, int a_RelZ) {return cChunkDef::GetNibble(m_BlockSkyLight, a_RelX, a_RelY, a_RelZ); }

@@ -233,7 +229,17 @@ private:
 	// Makes a copy of the list

 	cClientHandleList GetAllClients(void) const {return m_LoadedByClient; }

 

-	void SpreadLight(NIBBLETYPE * a_LightBuffer);

+	void TickBlocks(MTRand & a_TickRandom);

+	void TickMelonPumpkin(int a_RelX, int a_RelY, int a_RelZ, int a_BlockIdx, BLOCKTYPE a_BlockType, MTRand & a_TickRandom);

+	

+	/// Same as GetBlock(), but relative coords needn't be in this chunk (uses m_ChunkMap in such a case); returns true on success; only usable in Tick()

+	bool UnboundedRelGetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta);

+	

+	/// Same as SetBlock(), but relative coords needn't be in this chunk (uses m_ChunkMap in such a case); returns true on success; only usable in Tick()

+	bool UnboundedRelSetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta);

+

+	/// Same as FastSetBlock(), but relative coords needn't be in this chunk (uses m_ChunkMap in such a case); returns true on success; only usable in Tick()

+	bool UnboundedRelFastSetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta);

 };

 

 typedef cChunk * cChunkPtr;

diff --git a/source/cChunkMap.cpp b/source/cChunkMap.cpp
index bddec5656..546e6f4c3 100644
--- a/source/cChunkMap.cpp
+++ b/source/cChunkMap.cpp
@@ -176,6 +176,65 @@ cChunkPtr cChunkMap::GetChunkNoLoad( int a_ChunkX, int a_ChunkY, int a_ChunkZ )
 

 

 

+bool cChunkMap::LockedGetBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta)

+{

+	// We already have m_CSLayers locked since this can be called only from within the tick thread

+	int ChunkX, ChunkZ;

+	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);

+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);

+	if (Chunk == NULL)

+	{

+		return false;

+	}

+	

+	int Index = cChunkDef::MakeIndexNoCheck(a_BlockX, a_BlockY, a_BlockZ);

+	a_BlockType = Chunk->GetBlock(Index);

+	a_BlockMeta = Chunk->GetMeta(Index);

+	return true;

+}

+

+

+

+

+

+bool cChunkMap::LockedSetBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE   a_BlockType, NIBBLETYPE   a_BlockMeta)

+{

+	// We already have m_CSLayers locked since this can be called only from within the tick thread

+	int ChunkX, ChunkZ;

+	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);

+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);

+	if (Chunk == NULL)

+	{

+		return false;

+	}

+	

+	Chunk->SetBlock(a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta);

+	return true;

+}

+

+

+

+

+

+bool cChunkMap::LockedFastSetBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)

+{

+	// We already have m_CSLayers locked since this can be called only from within the tick thread

+	int ChunkX, ChunkZ;

+	cChunkDef::AbsoluteToRelative(a_BlockX, a_BlockY, a_BlockZ, ChunkX, ChunkZ);

+	cChunkPtr Chunk = GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);

+	if (Chunk == NULL)

+	{

+		return false;

+	}

+	

+	Chunk->FastSetBlock(a_BlockX, a_BlockY, a_BlockZ, a_BlockType, a_BlockMeta);

+	return true;

+}

+

+

+

+

+

 void cChunkMap::BroadcastToChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, const cPacket & a_Packet, cClientHandle * a_Exclude)

 {

 	// Broadcasts a_Packet to all clients in the chunk where block [x, y, z] is, except to client a_Exclude

@@ -399,21 +458,6 @@ bool cChunkMap::HasChunkAnyClients(int a_ChunkX, int a_ChunkY, int a_ChunkZ)
 

 

 

-void cChunkMap::SpreadChunkLighting(int a_ChunkX, int a_ChunkY, int a_ChunkZ)

-{

-	cCSLock Lock(m_CSLayers);

-	cChunkPtr Chunk = GetChunkNoGen(a_ChunkX, a_ChunkY, a_ChunkZ);

-	if ((Chunk != NULL) && Chunk->IsValid())

-	{

-		Chunk->SpreadBlockSkyLight();

-		Chunk->SpreadBlockLight();

-	}

-}

-

-

-

-

-

 int  cChunkMap::GetHeight(int a_BlockX, int a_BlockZ)

 {

 	cCSLock Lock(m_CSLayers);

diff --git a/source/cChunkMap.h b/source/cChunkMap.h
index 716f5ac93..4b381296d 100644
--- a/source/cChunkMap.h
+++ b/source/cChunkMap.h
@@ -84,7 +84,6 @@ public:
 	

 	bool      IsChunkValid       (int a_ChunkX, int a_ChunkY, int a_ChunkZ);

 	bool      HasChunkAnyClients (int a_ChunkX, int a_ChunkY, int a_ChunkZ);

-	void      SpreadChunkLighting(int a_ChunkX, int a_ChunkY, int a_ChunkZ);

 	int       GetHeight          (int a_BlockX, int a_BlockZ);

 	void      FastSetBlocks      (sSetBlockList & a_BlockList);

 	void      CollectPickupsByPlayer(cPlayer * a_Player);

@@ -164,7 +163,7 @@ public:
 

 private:

 

-	friend class cChunk;  // Temporary (until we have a separate Lighting thread), so that cChunk's lighting calc can ask for neighbor chunks

+	friend class cChunk;  // The chunks can manipulate neighbors while in their Tick() method, using LockedGetBlock() and LockedSetBlock()

 

 	class cChunkLayer

 	{

@@ -215,6 +214,15 @@ private:
 	cChunkPtr GetChunk      (int a_ChunkX, int a_ChunkY, int a_ChunkZ);  // Also queues the chunk for loading / generating if not valid

 	cChunkPtr GetChunkNoGen (int a_ChunkX, int a_ChunkY, int a_ChunkZ);  // Also queues the chunk for loading if not valid; doesn't generate

 	cChunkPtr GetChunkNoLoad(int a_ChunkX, int a_ChunkY, int a_ChunkZ);  // Doesn't load, doesn't generate

+	

+	/// Gets a block in any chunk while in the cChunk's Tick() method; returns true if successful, false if chunk not loaded (doesn't queue load)

+	bool LockedGetBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta);

+	

+	/// Sets a block in any chunk while in the cChunk's Tick() method; returns true if successful, false if chunk not loaded (doesn't queue load)

+	bool LockedSetBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE   a_BlockType, NIBBLETYPE   a_BlockMeta);

+

+	/// Fast-sets a block in any chunk while in the cChunk's Tick() method; returns true if successful, false if chunk not loaded (doesn't queue load)

+	bool LockedFastSetBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE   a_BlockType, NIBBLETYPE   a_BlockMeta);

 };

 

 

diff --git a/source/cClientHandle.cpp b/source/cClientHandle.cpp
index f64f1fe44..9920b68f8 100644
--- a/source/cClientHandle.cpp
+++ b/source/cClientHandle.cpp
@@ -903,7 +903,9 @@ void cClientHandle::HandleBlockPlace(cPacket_BlockPlace * a_Packet)
 

 	if ((Equipped.m_ItemID != a_Packet->m_ItemType))	// Not valid

 	{

-		LOGWARN("Player %s tried to place a block that was not selected! (could indicate bot)", m_Username.c_str());

+		LOGWARN("Player %s tried to place a block that was not equipped (exp %d, got %d)",

+			m_Username.c_str(), Equipped.m_ItemID, a_Packet->m_ItemType

+		);

 		// TODO: We should probably send the current world block to the client, so that it can immediately "let the user know" that they haven't placed the block

 		return;

 	}

@@ -1311,70 +1313,7 @@ void cClientHandle::HandleBlockPlace(cPacket_BlockPlace * a_Packet)
 			}

 

 			// Check whether selected item is allowed to be placed on specific surface

-			bool bIllegalSurface = false;

-			ENUM_BLOCK_ID SurfaceBlock = (ENUM_BLOCK_ID)m_Player->GetWorld()->GetBlock(X, Y-1, Z);

-			switch (a_Packet->m_ItemType)

-			{

-				case E_BLOCK_YELLOW_FLOWER:	// Can ONLY be placed on dirt/grass

-				case E_BLOCK_RED_ROSE:

-				case E_BLOCK_SAPLING:

-				{

-					switch (SurfaceBlock)

-					{

-						case E_BLOCK_DIRT:

-						case E_BLOCK_GRASS:

-						{

-							bIllegalSurface = false;

-							break;

-						}

-						default:

-						{

-							bIllegalSurface = true;

-							break;

-						}

-					};

-					break;

-				}

-				

-				case E_BLOCK_BROWN_MUSHROOM:	// Can be placed on pretty much anything, with exceptions

-				case E_BLOCK_RED_MUSHROOM:

-				{

-					switch (SurfaceBlock)

-					{

-						case E_BLOCK_GLASS:

-						case E_BLOCK_YELLOW_FLOWER:

-						case E_BLOCK_RED_ROSE:

-						case E_BLOCK_BROWN_MUSHROOM:

-						case E_BLOCK_RED_MUSHROOM:

-						case E_BLOCK_CACTUS:

-						{

-							bIllegalSurface = true;

-							break;

-						}

-					}

-					break;

-				}

-				

-				case E_BLOCK_CACTUS:

-				{

-					bIllegalSurface = (SurfaceBlock != E_BLOCK_SAND) && (SurfaceBlock != E_BLOCK_CACTUS);  // Cactus can only be placed on sand and itself

-

-					// Check surroundings. Cacti may ONLY be surrounded by air

-					cWorld * World = m_Player->GetWorld();

-					if (

-						(World->GetBlock(X - 1, Y, Z)     != E_BLOCK_AIR) ||

-						(World->GetBlock(X + 1, Y, Z)     != E_BLOCK_AIR) ||

-						(World->GetBlock(X,     Y, Z - 1) != E_BLOCK_AIR) ||

-						(World->GetBlock(X,     Y, Z + 1) != E_BLOCK_AIR)

-					)

-					{

-						bIllegalSurface = true;

-					}

-					break;

-				}

-			}  // switch (a_Packet->m_ItemType)

-

-			if (bIllegalSurface)

+			if (!m_Player->GetWorld()->IsPlacingItemLegal(a_Packet->m_ItemType, X, Y, Z))

 			{

 				return;

 			}

diff --git a/source/cWorld.cpp b/source/cWorld.cpp
index 9abfb963e..d04ac1af5 100644
--- a/source/cWorld.cpp
+++ b/source/cWorld.cpp
@@ -360,6 +360,81 @@ void cWorld::CastThunderbolt ( int a_X, int a_Y, int a_Z )
 

 

 

+bool cWorld::IsPlacingItemLegal(Int16 a_ItemType, int a_BlockX, int a_BlockY, int a_BlockZ)

+{

+	BLOCKTYPE SurfaceBlock = GetBlock(a_BlockX, a_BlockY - 1, a_BlockZ);

+	switch (a_ItemType)

+	{

+		case E_BLOCK_YELLOW_FLOWER:	// Can ONLY be placed on dirt/grass

+		case E_BLOCK_RED_ROSE:

+		case E_BLOCK_SAPLING:

+		{

+			switch (SurfaceBlock)

+			{

+				case E_BLOCK_DIRT:

+				case E_BLOCK_GRASS:

+				case E_BLOCK_FARMLAND:

+				{

+					return true;

+				}

+			}

+			return false;

+		}

+		

+		case E_BLOCK_BROWN_MUSHROOM:	// Can be placed on pretty much anything, with exceptions

+		case E_BLOCK_RED_MUSHROOM:

+		{

+			switch (SurfaceBlock)

+			{

+				case E_BLOCK_GLASS:

+				case E_BLOCK_YELLOW_FLOWER:

+				case E_BLOCK_RED_ROSE:

+				case E_BLOCK_BROWN_MUSHROOM:

+				case E_BLOCK_RED_MUSHROOM:

+				case E_BLOCK_CACTUS:

+				{

+					return false;

+				}

+			}

+			return true;

+		}

+		

+		case E_BLOCK_CACTUS:

+		{

+			if ((SurfaceBlock != E_BLOCK_SAND) && (SurfaceBlock != E_BLOCK_CACTUS))

+			{

+				// Cactus can only be placed on sand and itself

+				return false;

+			}

+

+			// Check surroundings. Cacti may ONLY be surrounded by air

+			if (

+				(GetBlock(a_BlockX - 1, a_BlockY, a_BlockZ)     != E_BLOCK_AIR) ||

+				(GetBlock(a_BlockX + 1, a_BlockY, a_BlockZ)     != E_BLOCK_AIR) ||

+				(GetBlock(a_BlockX,     a_BlockY, a_BlockZ - 1) != E_BLOCK_AIR) ||

+				(GetBlock(a_BlockX,     a_BlockY, a_BlockZ + 1) != E_BLOCK_AIR)

+			)

+			{

+				return false;

+			}

+			return true;

+		}

+		

+		case E_ITEM_SEEDS:

+		case E_ITEM_MELON_SEEDS:

+		case E_ITEM_PUMPKIN_SEEDS:

+		{

+			// Seeds can go only on the farmland block:

+			return (SurfaceBlock == E_BLOCK_FARMLAND);

+		}

+	}  // switch (a_Packet->m_ItemType)

+	return true;

+}

+

+

+

+

+

 void cWorld::InitializeSpawn(void)

 {

 	int ChunkX = 0, ChunkY = 0, ChunkZ = 0;

@@ -1463,27 +1538,6 @@ void cWorld::SaveAllChunks(void)
 

 

 

-void cWorld::ReSpreadLighting(int a_ChunkX, int a_ChunkY, int a_ChunkZ)

-{

-	cCSLock Lock(m_CSLighting);

-	m_SpreadQueue.remove(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ)); 

-	m_SpreadQueue.push_back(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ));

-}

-

-

-

-

-

-void cWorld::RemoveSpread(int a_ChunkX, int a_ChunkY, int a_ChunkZ)

-{

-	cCSLock Lock(m_CSLighting);

-	m_SpreadQueue.remove(cChunkCoords(a_ChunkX, a_ChunkY, a_ChunkZ));

-}

-

-

-

-

-

 /************************************************************************/

 /* Get and set                                                          */

 /************************************************************************/

diff --git a/source/cWorld.h b/source/cWorld.h
index e030f3570..5e448d79b 100644
--- a/source/cWorld.h
+++ b/source/cWorld.h
@@ -278,9 +278,6 @@ public:
 

 	void Tick(float a_Dt);

 

-	void ReSpreadLighting(int a_ChunkX, int a_ChunkY, int a_ChunkZ);

-	void RemoveSpread(int a_ChunkX, int a_ChunkY, int a_ChunkZ);

-

 	void InitializeSpawn();

 

 	void CastThunderbolt (int a_X, int a_Y, int a_Z);						//tolua_export

@@ -291,6 +288,8 @@ public:
 	cWorldStorage &   GetStorage  (void) { return m_Storage; }

 	cChunkMap *       GetChunkMap (void) { return m_ChunkMap; }

 	

+	bool IsPlacingItemLegal(Int16 a_ItemType, int a_BlockX, int a_BlockY, int a_BlockZ);

+	

 private:

 

 	friend class cRoot;

@@ -344,9 +343,6 @@ private:
 	cClientHandleList m_Clients;

 	cPlayerList       m_Players;

 

-	cCriticalSection  m_CSLighting;

-	cChunkCoordsList  m_SpreadQueue;

-

 	cCriticalSection m_CSFastSetBlock;

 	sSetBlockList    m_FastSetBlockQueue;