From 92c59963f82f81aa3202657e7fdbb2592924ede3 Mon Sep 17 00:00:00 2001 From: "cedeel@gmail.com" Date: Thu, 14 Jun 2012 13:06:06 +0000 Subject: Attempt to bring sanity to newlines across systems. git-svn-id: http://mc-server.googlecode.com/svn/trunk@606 0a769ca7-a7f5-676a-18bf-c427514a06d6 --- source/ChunkDef.h | 984 +++++++++++++++++++++++++++--------------------------- 1 file changed, 492 insertions(+), 492 deletions(-) (limited to 'source/ChunkDef.h') diff --git a/source/ChunkDef.h b/source/ChunkDef.h index 5bafde4af..2aaaa5288 100644 --- a/source/ChunkDef.h +++ b/source/ChunkDef.h @@ -1,492 +1,492 @@ - -// ChunkDef.h - -// Interfaces to helper types for chunk definitions. Most modules want to include this instead of cChunk.h - - - - - -#pragma once - -#include "Vector3i.h" - - - - - -/** This is really only a placeholder to be used in places where we need to "make up" a chunk's Y coord. -It will help us when the new chunk format comes out and we need to patch everything up for compatibility. -*/ -#define ZERO_CHUNK_Y 0 - -// Used to smoothly convert to new axis ordering. One will be removed when deemed stable. -#define AXIS_ORDER_YZX 1 // Original (1.1-) -#define AXIS_ORDER_XZY 2 // New (1.2+) -#define AXIS_ORDER AXIS_ORDER_XZY - - - - - -// fwd -class cBlockEntity; -class cEntity; -class cClientHandle; -class cBlockEntity; - -typedef std::list cEntityList; -typedef std::list cBlockEntityList; - - - - -/// The datatype used by blockdata -typedef char BLOCKTYPE; - -/// The datatype used by nibbledata (meta, light, skylight) -typedef unsigned char NIBBLETYPE; - -/// The type used by the heightmap -typedef unsigned char HEIGHTTYPE; - - - - - -/** Biome IDs -The first batch corresponds to the clientside biomes, used by MineCraft. -BiomeIDs over 255 are used by MCServer internally and are translated to MC biomes before sending them to client -*/ -enum EMCSBiome -{ - biOcean = 0, - biPlains = 1, - biDesert = 2, - biExtremeHills = 3, - biForest = 4, - biTaiga = 5, - biSwampland = 6, - biRiver = 7, - biHell = 8, // same as Nether - biNether = 8, - biSky = 9, - biFrozenOcean = 10, - biFrozenRiver = 11, - biIcePlains = 12, - biTundra = 12, // same as Ice Plains - biIceMountains = 13, - biMushroomIsland = 14, - biMushroomShore = 15, - biBeach = 16, - biDesertHills = 17, - biForestHills = 18, - biTaigaHills = 19, - biExtremeHillsEdge = 20, - biJungle = 21, - biJungleHills = 22, - - // Automatically capture the maximum biome value into biMaxBiome: - biNumBiomes, // True number of biomes, since they are zero-based - biMaxBiome = biNumBiomes - 1, // The maximum biome value -} ; - - - - - -/// Constants used throughout the code, useful typedefs and utility functions -class cChunkDef -{ -public: - static const int Width = 16; - static const int Height = 256; - static const int NumBlocks = Width * Height * Width; - static const int BlockDataSize = NumBlocks * 2 + (NumBlocks / 2); // 2.5 * numblocks - - // Offsets to individual components in the joined blockdata array - static const int MetaOffset = NumBlocks; - static const int LightOffset = MetaOffset + NumBlocks / 2; - static const int SkyLightOffset = LightOffset + NumBlocks / 2; - - static const unsigned int INDEX_OUT_OF_RANGE = 0xffffffff; - - /// The type used for any heightmap operations and storage; idx = x + Width * z - typedef HEIGHTTYPE HeightMap[Width * Width]; - - /** The type used for any biomemap operations and storage inside MCServer, - using MCServer biomes (need not correspond to client representation!) - idx = x + Width * z // Need to verify this with the protocol spec, currently unknown! - */ - typedef EMCSBiome BiomeMap[Width * Width]; - - /// The type used for block type operations and storage, AXIS_ORDER ordering - typedef BLOCKTYPE BlockTypes[NumBlocks]; - - /// The type used for block data in nibble format, AXIS_ORDER ordering - typedef NIBBLETYPE BlockNibbles[NumBlocks / 2]; - - - /// Converts absolute block coords into relative (chunk + block) coords: - inline static void AbsoluteToRelative(/* in-out */ int & a_X, int & a_Y, int & a_Z, /* out */ int & a_ChunkX, int & a_ChunkZ ) - { - BlockToChunk(a_X, a_Y, a_Z, a_ChunkX, a_ChunkZ); - - a_X = a_X - a_ChunkX * Width; - a_Z = a_Z - a_ChunkZ * Width; - } - - - /// Converts absolute block coords to chunk coords: - inline static void BlockToChunk( int a_X, int a_Y, int a_Z, int & a_ChunkX, int & a_ChunkZ ) - { - (void)a_Y; - a_ChunkX = a_X / Width; - if ((a_X < 0) && (a_X % Width != 0)) - { - a_ChunkX--; - } - a_ChunkZ = a_Z / cChunkDef::Width; - if ((a_Z < 0) && (a_Z % Width != 0)) - { - a_ChunkZ--; - } - } - - - inline static unsigned int MakeIndex(int x, int y, int z ) - { - if( x < cChunkDef::Width && x > -1 && y < cChunkDef::Height && y > -1 && z < cChunkDef::Width && z > -1 ) - { - return MakeIndexNoCheck(x, y, z); - } - return INDEX_OUT_OF_RANGE; - } - - - inline static unsigned int MakeIndexNoCheck(int x, int y, int z) - { - #if AXIS_ORDER == AXIS_ORDER_XZY - // For some reason, NOT using the Horner schema is faster. Weird. - return x + (z * cChunkDef::Width) + (y * cChunkDef::Width * cChunkDef::Width); // 1.2 is XZY - #elif AXIS_ORDER == AXIS_ORDER_YZX - return y + (z * cChunkDef::Width) + (x * cChunkDef::Height * cChunkDef::Width); // 1.1 is YZX - #endif - } - - - inline static Vector3i IndexToCoordinate( unsigned int index ) - { - #if AXIS_ORDER == AXIS_ORDER_XZY - return Vector3i( // 1.2 - index % cChunkDef::Width, // X - index / (cChunkDef::Width * cChunkDef::Width), // Y - (index / cChunkDef::Width) % cChunkDef::Width // Z - ); - #elif AXIS_ORDER == AXIS_ORDER_YZX - return Vector3i( // 1.1 - index / (cChunkDef::Height * cChunkDef::Width), // X - index % cChunkDef::Height, // Y - (index / cChunkDef::Height) % cChunkDef::Width // Z - ); - #endif - } - - - inline static void SetBlock(BLOCKTYPE * a_BlockTypes, int a_X, int a_Y, int a_Z, BLOCKTYPE a_Type) - { - ASSERT((a_X >= 0) && (a_X < Width)); - ASSERT((a_Y >= 0) && (a_Y < Height)); - ASSERT((a_Z >= 0) && (a_Z < Width)); - a_BlockTypes[MakeIndexNoCheck(a_X, a_Y, a_Z)] = a_Type; - } - - - inline static BLOCKTYPE GetBlock(BLOCKTYPE * a_BlockTypes, int a_X, int a_Y, int a_Z) - { - ASSERT((a_X >= 0) && (a_X < Width)); - ASSERT((a_Y >= 0) && (a_Y < Height)); - ASSERT((a_Z >= 0) && (a_Z < Width)); - return a_BlockTypes[MakeIndexNoCheck(a_X, a_Y, a_Z)]; - } - - - inline static int GetHeight(const HeightMap & a_HeightMap, int a_X, int a_Z) - { - return a_HeightMap[a_X + Width * a_Z]; - } - - - inline static void SetHeight(HeightMap & a_HeightMap, int a_X, int a_Z, unsigned char a_Height) - { - a_HeightMap[a_X + Width * a_Z] = a_Height; - } - - - inline static EMCSBiome GetBiome(const BiomeMap & a_BiomeMap, int a_X, int a_Z) - { - return a_BiomeMap[a_X + Width * a_Z]; - } - - - inline static void SetBiome(BiomeMap & a_BiomeMap, int a_X, int a_Z, EMCSBiome a_Biome) - { - a_BiomeMap[a_X + Width * a_Z] = a_Biome; - } - - - static NIBBLETYPE GetNibble(NIBBLETYPE * a_Buffer, int a_BlockIdx) - { - if ((a_BlockIdx > -1) && (a_BlockIdx < cChunkDef::NumBlocks)) - { - return (a_Buffer[a_BlockIdx / 2] >> ((a_BlockIdx & 1) * 4)) & 0x0f; - } - return 0; - } - - - static NIBBLETYPE GetNibble(NIBBLETYPE * a_Buffer, int x, int y, int z) - { - if ((x < Width) && (x > -1) && (y < Height) && (y > -1) && (z < Width) && (z > -1)) - { - int Index = MakeIndexNoCheck(x, y, z); - return (a_Buffer[Index / 2] >> ((Index & 1) * 4)) & 0x0f; - } - return 0; - } - - - static void SetNibble(NIBBLETYPE * a_Buffer, int a_BlockIdx, NIBBLETYPE a_Nibble) - { - if ((a_BlockIdx > -1) && (a_BlockIdx < cChunkDef::NumBlocks)) - { - a_Buffer[a_BlockIdx / 2] = ( - (a_Buffer[a_BlockIdx / 2] & (0xf0 >> ((a_BlockIdx & 1) * 4))) | // The untouched nibble - ((a_Nibble & 0x0f) << ((a_BlockIdx & 1) * 4)) // The nibble being set - ); - } - } - - - static void SetNibble(NIBBLETYPE * a_Buffer, int x, int y, int z, NIBBLETYPE a_Nibble) - { - if ((x < cChunkDef::Width) && (x > -1) && (y < cChunkDef::Height) && (y > -1) && (z < cChunkDef::Width) && (z > -1)) - { - int Index = MakeIndexNoCheck(x, y, z); - a_Buffer[Index / 2] = ( - (a_Buffer[Index / 2] & (0xf0 >> ((Index & 1) * 4))) | // The untouched nibble - ((a_Nibble & 0x0f) << ((Index & 1) * 4)) // The nibble being set - ); - } - } - - - inline static char GetNibble(NIBBLETYPE * a_Buffer, const Vector3i & a_BlockPos ) - { - return GetNibble( a_Buffer, a_BlockPos.x, a_BlockPos.y, a_BlockPos.z ); - } - - - inline static void SetNibble(NIBBLETYPE * a_Buffer, const Vector3i & a_BlockPos, char a_Value ) - { - SetNibble( a_Buffer, a_BlockPos.x, a_BlockPos.y, a_BlockPos.z, a_Value ); - } - -} ; - - - - - -/** Interface class used for getting data out of a chunk using the GetAllData() function. -Implementation must use the pointers immediately and NOT store any of them for later use -The virtual methods are called in the same order as they're declared here. -*/ -class cChunkDataCallback abstract -{ -public: - /// Called once to provide heightmap data - virtual void HeightMap(const cChunkDef::HeightMap * a_HeightMap) {}; - - /// Called once to provide biome data - virtual void BiomeData (const cChunkDef::BiomeMap * a_BiomeMap) {}; - - /// Called once to export block types - virtual void BlockTypes (const BLOCKTYPE * a_Type) {}; - - /// Called once to export block meta - virtual void BlockMeta (const NIBBLETYPE * a_Meta) {}; - - /// Called once to let know if the chunk lighting is valid. Return value is used to control if BlockLight() and BlockSkyLight() are called next - virtual bool LightIsValid(bool a_IsLightValid) {return true; }; - - /// Called once to export block light - virtual void BlockLight (const NIBBLETYPE * a_Meta) {}; - - /// Called once to export sky light - virtual void BlockSkyLight(const NIBBLETYPE * a_Meta) {}; - - /// Called for each entity in the chunk - virtual void Entity(cEntity * a_Entity) {}; - - /// Called for each blockentity in the chunk - virtual void BlockEntity(cBlockEntity * a_Entity) {}; -} ; - - - - - -/** A simple implementation of the cChunkDataCallback interface that collects all block data into a single buffer -*/ -class cChunkDataCollector : - public cChunkDataCallback -{ -public: - - // Must be char instead of BLOCKTYPE or NIBBLETYPE, because it houses both. - char m_BlockData[cChunkDef::BlockDataSize]; - -protected: - - virtual void BlockTypes(const BLOCKTYPE * a_BlockTypes) override - { - memcpy(m_BlockData, a_BlockTypes, sizeof(cChunkDef::BlockTypes)); - } - - - virtual void BlockMeta(const NIBBLETYPE * a_BlockMeta) override - { - memcpy(m_BlockData + cChunkDef::NumBlocks, a_BlockMeta, cChunkDef::NumBlocks / 2); - } - - - virtual void BlockLight(const NIBBLETYPE * a_BlockLight) override - { - memcpy(m_BlockData + 3 * cChunkDef::NumBlocks / 2, a_BlockLight, cChunkDef::NumBlocks / 2); - } - - - virtual void BlockSkyLight(const NIBBLETYPE * a_BlockSkyLight) override - { - memcpy(m_BlockData + 2 * cChunkDef::NumBlocks, a_BlockSkyLight, cChunkDef::NumBlocks / 2); - } -} ; - - - - - -/** A simple implementation of the cChunkDataCallback interface that collects all block data into a separate buffers -*/ -class cChunkDataSeparateCollector : - public cChunkDataCallback -{ -public: - - cChunkDef::BlockTypes m_BlockTypes; - cChunkDef::BlockNibbles m_BlockMetas; - cChunkDef::BlockNibbles m_BlockLight; - cChunkDef::BlockNibbles m_BlockSkyLight; - -protected: - - virtual void BlockTypes(const BLOCKTYPE * a_BlockTypes) override - { - memcpy(m_BlockTypes, a_BlockTypes, sizeof(m_BlockTypes)); - } - - - virtual void BlockMeta(const NIBBLETYPE * a_BlockMeta) override - { - memcpy(m_BlockMetas, a_BlockMeta, sizeof(m_BlockMetas)); - } - - - virtual void BlockLight(const NIBBLETYPE * a_BlockLight) override - { - memcpy(m_BlockLight, a_BlockLight, sizeof(m_BlockLight)); - } - - - virtual void BlockSkyLight(const NIBBLETYPE * a_BlockSkyLight) override - { - memcpy(m_BlockSkyLight, a_BlockSkyLight, sizeof(m_BlockSkyLight)); - } -} ; - - - - - -/** Interface class used for comparing clients of two chunks. -Used primarily for entity moving while both chunks are locked. -*/ -class cClientDiffCallback -{ -public: - /// Called for clients that are in Chunk1 and not in Chunk2, - virtual void Removed(cClientHandle * a_Client) = 0; - - /// Called for clients that are in Chunk2 and not in Chunk1. - virtual void Added(cClientHandle * a_Client) = 0; -} ; - - - - - -struct sSetBlock -{ - int x, y, z; - int ChunkX, ChunkZ; - BLOCKTYPE BlockType; - NIBBLETYPE BlockMeta; - - sSetBlock( int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta ); // absolute block position - sSetBlock(int a_ChunkX, int a_ChunkZ, int a_X, int a_Y, int a_Z, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) : - ChunkX(a_ChunkX), ChunkZ(a_ChunkZ), - x(a_X), y(a_Y), z(a_Z), - BlockType(a_BlockType), - BlockMeta(a_BlockMeta) - {} -}; - -typedef std::list sSetBlockList; -typedef std::vector sSetBlockVector; - - - - - -class cChunkCoords -{ -public: - int m_ChunkX; - int m_ChunkY; - int m_ChunkZ; - - cChunkCoords(int a_ChunkX, int a_ChunkY, int a_ChunkZ) : m_ChunkX(a_ChunkX), m_ChunkY(a_ChunkY), m_ChunkZ(a_ChunkZ) {} - - bool operator == (const cChunkCoords & a_Other) const - { - return ((m_ChunkX == a_Other.m_ChunkX) && (m_ChunkY == a_Other.m_ChunkY) && (m_ChunkZ == a_Other.m_ChunkZ)); - } -} ; - -typedef std::list cChunkCoordsList; - - - - - -/// Interface class used as a callback for operations that involve chunk coords -class cChunkCoordCallback -{ -public: - virtual void Call(int a_ChunkX, int a_ChunkZ) = 0; -} ; - - - - + +// ChunkDef.h + +// Interfaces to helper types for chunk definitions. Most modules want to include this instead of cChunk.h + + + + + +#pragma once + +#include "Vector3i.h" + + + + + +/** This is really only a placeholder to be used in places where we need to "make up" a chunk's Y coord. +It will help us when the new chunk format comes out and we need to patch everything up for compatibility. +*/ +#define ZERO_CHUNK_Y 0 + +// Used to smoothly convert to new axis ordering. One will be removed when deemed stable. +#define AXIS_ORDER_YZX 1 // Original (1.1-) +#define AXIS_ORDER_XZY 2 // New (1.2+) +#define AXIS_ORDER AXIS_ORDER_XZY + + + + + +// fwd +class cBlockEntity; +class cEntity; +class cClientHandle; +class cBlockEntity; + +typedef std::list cEntityList; +typedef std::list cBlockEntityList; + + + + +/// The datatype used by blockdata +typedef char BLOCKTYPE; + +/// The datatype used by nibbledata (meta, light, skylight) +typedef unsigned char NIBBLETYPE; + +/// The type used by the heightmap +typedef unsigned char HEIGHTTYPE; + + + + + +/** Biome IDs +The first batch corresponds to the clientside biomes, used by MineCraft. +BiomeIDs over 255 are used by MCServer internally and are translated to MC biomes before sending them to client +*/ +enum EMCSBiome +{ + biOcean = 0, + biPlains = 1, + biDesert = 2, + biExtremeHills = 3, + biForest = 4, + biTaiga = 5, + biSwampland = 6, + biRiver = 7, + biHell = 8, // same as Nether + biNether = 8, + biSky = 9, + biFrozenOcean = 10, + biFrozenRiver = 11, + biIcePlains = 12, + biTundra = 12, // same as Ice Plains + biIceMountains = 13, + biMushroomIsland = 14, + biMushroomShore = 15, + biBeach = 16, + biDesertHills = 17, + biForestHills = 18, + biTaigaHills = 19, + biExtremeHillsEdge = 20, + biJungle = 21, + biJungleHills = 22, + + // Automatically capture the maximum biome value into biMaxBiome: + biNumBiomes, // True number of biomes, since they are zero-based + biMaxBiome = biNumBiomes - 1, // The maximum biome value +} ; + + + + + +/// Constants used throughout the code, useful typedefs and utility functions +class cChunkDef +{ +public: + static const int Width = 16; + static const int Height = 256; + static const int NumBlocks = Width * Height * Width; + static const int BlockDataSize = NumBlocks * 2 + (NumBlocks / 2); // 2.5 * numblocks + + // Offsets to individual components in the joined blockdata array + static const int MetaOffset = NumBlocks; + static const int LightOffset = MetaOffset + NumBlocks / 2; + static const int SkyLightOffset = LightOffset + NumBlocks / 2; + + static const unsigned int INDEX_OUT_OF_RANGE = 0xffffffff; + + /// The type used for any heightmap operations and storage; idx = x + Width * z + typedef HEIGHTTYPE HeightMap[Width * Width]; + + /** The type used for any biomemap operations and storage inside MCServer, + using MCServer biomes (need not correspond to client representation!) + idx = x + Width * z // Need to verify this with the protocol spec, currently unknown! + */ + typedef EMCSBiome BiomeMap[Width * Width]; + + /// The type used for block type operations and storage, AXIS_ORDER ordering + typedef BLOCKTYPE BlockTypes[NumBlocks]; + + /// The type used for block data in nibble format, AXIS_ORDER ordering + typedef NIBBLETYPE BlockNibbles[NumBlocks / 2]; + + + /// Converts absolute block coords into relative (chunk + block) coords: + inline static void AbsoluteToRelative(/* in-out */ int & a_X, int & a_Y, int & a_Z, /* out */ int & a_ChunkX, int & a_ChunkZ ) + { + BlockToChunk(a_X, a_Y, a_Z, a_ChunkX, a_ChunkZ); + + a_X = a_X - a_ChunkX * Width; + a_Z = a_Z - a_ChunkZ * Width; + } + + + /// Converts absolute block coords to chunk coords: + inline static void BlockToChunk( int a_X, int a_Y, int a_Z, int & a_ChunkX, int & a_ChunkZ ) + { + (void)a_Y; + a_ChunkX = a_X / Width; + if ((a_X < 0) && (a_X % Width != 0)) + { + a_ChunkX--; + } + a_ChunkZ = a_Z / cChunkDef::Width; + if ((a_Z < 0) && (a_Z % Width != 0)) + { + a_ChunkZ--; + } + } + + + inline static unsigned int MakeIndex(int x, int y, int z ) + { + if( x < cChunkDef::Width && x > -1 && y < cChunkDef::Height && y > -1 && z < cChunkDef::Width && z > -1 ) + { + return MakeIndexNoCheck(x, y, z); + } + return INDEX_OUT_OF_RANGE; + } + + + inline static unsigned int MakeIndexNoCheck(int x, int y, int z) + { + #if AXIS_ORDER == AXIS_ORDER_XZY + // For some reason, NOT using the Horner schema is faster. Weird. + return x + (z * cChunkDef::Width) + (y * cChunkDef::Width * cChunkDef::Width); // 1.2 is XZY + #elif AXIS_ORDER == AXIS_ORDER_YZX + return y + (z * cChunkDef::Width) + (x * cChunkDef::Height * cChunkDef::Width); // 1.1 is YZX + #endif + } + + + inline static Vector3i IndexToCoordinate( unsigned int index ) + { + #if AXIS_ORDER == AXIS_ORDER_XZY + return Vector3i( // 1.2 + index % cChunkDef::Width, // X + index / (cChunkDef::Width * cChunkDef::Width), // Y + (index / cChunkDef::Width) % cChunkDef::Width // Z + ); + #elif AXIS_ORDER == AXIS_ORDER_YZX + return Vector3i( // 1.1 + index / (cChunkDef::Height * cChunkDef::Width), // X + index % cChunkDef::Height, // Y + (index / cChunkDef::Height) % cChunkDef::Width // Z + ); + #endif + } + + + inline static void SetBlock(BLOCKTYPE * a_BlockTypes, int a_X, int a_Y, int a_Z, BLOCKTYPE a_Type) + { + ASSERT((a_X >= 0) && (a_X < Width)); + ASSERT((a_Y >= 0) && (a_Y < Height)); + ASSERT((a_Z >= 0) && (a_Z < Width)); + a_BlockTypes[MakeIndexNoCheck(a_X, a_Y, a_Z)] = a_Type; + } + + + inline static BLOCKTYPE GetBlock(BLOCKTYPE * a_BlockTypes, int a_X, int a_Y, int a_Z) + { + ASSERT((a_X >= 0) && (a_X < Width)); + ASSERT((a_Y >= 0) && (a_Y < Height)); + ASSERT((a_Z >= 0) && (a_Z < Width)); + return a_BlockTypes[MakeIndexNoCheck(a_X, a_Y, a_Z)]; + } + + + inline static int GetHeight(const HeightMap & a_HeightMap, int a_X, int a_Z) + { + return a_HeightMap[a_X + Width * a_Z]; + } + + + inline static void SetHeight(HeightMap & a_HeightMap, int a_X, int a_Z, unsigned char a_Height) + { + a_HeightMap[a_X + Width * a_Z] = a_Height; + } + + + inline static EMCSBiome GetBiome(const BiomeMap & a_BiomeMap, int a_X, int a_Z) + { + return a_BiomeMap[a_X + Width * a_Z]; + } + + + inline static void SetBiome(BiomeMap & a_BiomeMap, int a_X, int a_Z, EMCSBiome a_Biome) + { + a_BiomeMap[a_X + Width * a_Z] = a_Biome; + } + + + static NIBBLETYPE GetNibble(NIBBLETYPE * a_Buffer, int a_BlockIdx) + { + if ((a_BlockIdx > -1) && (a_BlockIdx < cChunkDef::NumBlocks)) + { + return (a_Buffer[a_BlockIdx / 2] >> ((a_BlockIdx & 1) * 4)) & 0x0f; + } + return 0; + } + + + static NIBBLETYPE GetNibble(NIBBLETYPE * a_Buffer, int x, int y, int z) + { + if ((x < Width) && (x > -1) && (y < Height) && (y > -1) && (z < Width) && (z > -1)) + { + int Index = MakeIndexNoCheck(x, y, z); + return (a_Buffer[Index / 2] >> ((Index & 1) * 4)) & 0x0f; + } + return 0; + } + + + static void SetNibble(NIBBLETYPE * a_Buffer, int a_BlockIdx, NIBBLETYPE a_Nibble) + { + if ((a_BlockIdx > -1) && (a_BlockIdx < cChunkDef::NumBlocks)) + { + a_Buffer[a_BlockIdx / 2] = ( + (a_Buffer[a_BlockIdx / 2] & (0xf0 >> ((a_BlockIdx & 1) * 4))) | // The untouched nibble + ((a_Nibble & 0x0f) << ((a_BlockIdx & 1) * 4)) // The nibble being set + ); + } + } + + + static void SetNibble(NIBBLETYPE * a_Buffer, int x, int y, int z, NIBBLETYPE a_Nibble) + { + if ((x < cChunkDef::Width) && (x > -1) && (y < cChunkDef::Height) && (y > -1) && (z < cChunkDef::Width) && (z > -1)) + { + int Index = MakeIndexNoCheck(x, y, z); + a_Buffer[Index / 2] = ( + (a_Buffer[Index / 2] & (0xf0 >> ((Index & 1) * 4))) | // The untouched nibble + ((a_Nibble & 0x0f) << ((Index & 1) * 4)) // The nibble being set + ); + } + } + + + inline static char GetNibble(NIBBLETYPE * a_Buffer, const Vector3i & a_BlockPos ) + { + return GetNibble( a_Buffer, a_BlockPos.x, a_BlockPos.y, a_BlockPos.z ); + } + + + inline static void SetNibble(NIBBLETYPE * a_Buffer, const Vector3i & a_BlockPos, char a_Value ) + { + SetNibble( a_Buffer, a_BlockPos.x, a_BlockPos.y, a_BlockPos.z, a_Value ); + } + +} ; + + + + + +/** Interface class used for getting data out of a chunk using the GetAllData() function. +Implementation must use the pointers immediately and NOT store any of them for later use +The virtual methods are called in the same order as they're declared here. +*/ +class cChunkDataCallback abstract +{ +public: + /// Called once to provide heightmap data + virtual void HeightMap(const cChunkDef::HeightMap * a_HeightMap) {}; + + /// Called once to provide biome data + virtual void BiomeData (const cChunkDef::BiomeMap * a_BiomeMap) {}; + + /// Called once to export block types + virtual void BlockTypes (const BLOCKTYPE * a_Type) {}; + + /// Called once to export block meta + virtual void BlockMeta (const NIBBLETYPE * a_Meta) {}; + + /// Called once to let know if the chunk lighting is valid. Return value is used to control if BlockLight() and BlockSkyLight() are called next + virtual bool LightIsValid(bool a_IsLightValid) {return true; }; + + /// Called once to export block light + virtual void BlockLight (const NIBBLETYPE * a_Meta) {}; + + /// Called once to export sky light + virtual void BlockSkyLight(const NIBBLETYPE * a_Meta) {}; + + /// Called for each entity in the chunk + virtual void Entity(cEntity * a_Entity) {}; + + /// Called for each blockentity in the chunk + virtual void BlockEntity(cBlockEntity * a_Entity) {}; +} ; + + + + + +/** A simple implementation of the cChunkDataCallback interface that collects all block data into a single buffer +*/ +class cChunkDataCollector : + public cChunkDataCallback +{ +public: + + // Must be char instead of BLOCKTYPE or NIBBLETYPE, because it houses both. + char m_BlockData[cChunkDef::BlockDataSize]; + +protected: + + virtual void BlockTypes(const BLOCKTYPE * a_BlockTypes) override + { + memcpy(m_BlockData, a_BlockTypes, sizeof(cChunkDef::BlockTypes)); + } + + + virtual void BlockMeta(const NIBBLETYPE * a_BlockMeta) override + { + memcpy(m_BlockData + cChunkDef::NumBlocks, a_BlockMeta, cChunkDef::NumBlocks / 2); + } + + + virtual void BlockLight(const NIBBLETYPE * a_BlockLight) override + { + memcpy(m_BlockData + 3 * cChunkDef::NumBlocks / 2, a_BlockLight, cChunkDef::NumBlocks / 2); + } + + + virtual void BlockSkyLight(const NIBBLETYPE * a_BlockSkyLight) override + { + memcpy(m_BlockData + 2 * cChunkDef::NumBlocks, a_BlockSkyLight, cChunkDef::NumBlocks / 2); + } +} ; + + + + + +/** A simple implementation of the cChunkDataCallback interface that collects all block data into a separate buffers +*/ +class cChunkDataSeparateCollector : + public cChunkDataCallback +{ +public: + + cChunkDef::BlockTypes m_BlockTypes; + cChunkDef::BlockNibbles m_BlockMetas; + cChunkDef::BlockNibbles m_BlockLight; + cChunkDef::BlockNibbles m_BlockSkyLight; + +protected: + + virtual void BlockTypes(const BLOCKTYPE * a_BlockTypes) override + { + memcpy(m_BlockTypes, a_BlockTypes, sizeof(m_BlockTypes)); + } + + + virtual void BlockMeta(const NIBBLETYPE * a_BlockMeta) override + { + memcpy(m_BlockMetas, a_BlockMeta, sizeof(m_BlockMetas)); + } + + + virtual void BlockLight(const NIBBLETYPE * a_BlockLight) override + { + memcpy(m_BlockLight, a_BlockLight, sizeof(m_BlockLight)); + } + + + virtual void BlockSkyLight(const NIBBLETYPE * a_BlockSkyLight) override + { + memcpy(m_BlockSkyLight, a_BlockSkyLight, sizeof(m_BlockSkyLight)); + } +} ; + + + + + +/** Interface class used for comparing clients of two chunks. +Used primarily for entity moving while both chunks are locked. +*/ +class cClientDiffCallback +{ +public: + /// Called for clients that are in Chunk1 and not in Chunk2, + virtual void Removed(cClientHandle * a_Client) = 0; + + /// Called for clients that are in Chunk2 and not in Chunk1. + virtual void Added(cClientHandle * a_Client) = 0; +} ; + + + + + +struct sSetBlock +{ + int x, y, z; + int ChunkX, ChunkZ; + BLOCKTYPE BlockType; + NIBBLETYPE BlockMeta; + + sSetBlock( int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta ); // absolute block position + sSetBlock(int a_ChunkX, int a_ChunkZ, int a_X, int a_Y, int a_Z, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta) : + ChunkX(a_ChunkX), ChunkZ(a_ChunkZ), + x(a_X), y(a_Y), z(a_Z), + BlockType(a_BlockType), + BlockMeta(a_BlockMeta) + {} +}; + +typedef std::list sSetBlockList; +typedef std::vector sSetBlockVector; + + + + + +class cChunkCoords +{ +public: + int m_ChunkX; + int m_ChunkY; + int m_ChunkZ; + + cChunkCoords(int a_ChunkX, int a_ChunkY, int a_ChunkZ) : m_ChunkX(a_ChunkX), m_ChunkY(a_ChunkY), m_ChunkZ(a_ChunkZ) {} + + bool operator == (const cChunkCoords & a_Other) const + { + return ((m_ChunkX == a_Other.m_ChunkX) && (m_ChunkY == a_Other.m_ChunkY) && (m_ChunkZ == a_Other.m_ChunkZ)); + } +} ; + +typedef std::list cChunkCoordsList; + + + + + +/// Interface class used as a callback for operations that involve chunk coords +class cChunkCoordCallback +{ +public: + virtual void Call(int a_ChunkX, int a_ChunkZ) = 0; +} ; + + + + -- cgit v1.2.3