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Diffstat (limited to 'source/Chunk.cpp')
| -rw-r--r-- | source/Chunk.cpp | 1852 |
1 files changed, 1852 insertions, 0 deletions
diff --git a/source/Chunk.cpp b/source/Chunk.cpp new file mode 100644 index 000000000..7cd3b961f --- /dev/null +++ b/source/Chunk.cpp @@ -0,0 +1,1852 @@ + +#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules + +#ifndef _WIN32 + #include <cstdlib> +#endif + + +#include "Chunk.h" +#include "World.h" +#include "WaterSimulator.h" +#include "LavaSimulator.h" +#include "ClientHandle.h" +#include "Server.h" +#include "zlib.h" +#include "Defines.h" +#include "ChestEntity.h" +#include "FurnaceEntity.h" +#include "SignEntity.h" +#include "NoteEntity.h" +#include "Torch.h" +#include "Ladder.h" +#include "Pickup.h" +#include "Redstone.h" +#include "Item.h" +#include "Noise.h" +#include "Root.h" +#include "MersenneTwister.h" +#include "Player.h" +#include "BlockArea.h" +#include "PluginManager.h" +#include "blocks/BlockHandler.h" + +#include <json/json.h> + + + + + + + + + +extern bool g_bWaterPhysics; + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// sSetBlock: + +sSetBlock::sSetBlock( int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta ) // absolute block position + : x( a_BlockX ) + , y( a_BlockY ) + , z( a_BlockZ ) + , BlockType( a_BlockType ) + , BlockMeta( a_BlockMeta ) +{ + cChunkDef::AbsoluteToRelative(x, y, z, ChunkX, ChunkZ); +} + + + + + +/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// +// cChunk: + +cChunk::cChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, cChunkMap * a_ChunkMap, cWorld * a_World) + : m_PosX( a_ChunkX ) + , m_PosY( a_ChunkY ) + , m_PosZ( a_ChunkZ ) + , m_BlockTickX( 0 ) + , m_BlockTickY( 0 ) + , m_BlockTickZ( 0 ) + , m_World( a_World ) + , m_ChunkMap(a_ChunkMap) + , m_IsValid(false) + , m_IsLightValid(false) + , m_IsDirty(false) + , m_IsSaving(false) + , m_StayCount(0) +{ + // LOGINFO("### new cChunk (%i, %i) at %p, thread 0x%x ###", a_X, a_Z, this, GetCurrentThreadId()); +} + + + + + +cChunk::~cChunk() +{ + // LOGINFO("### delete cChunk() (%i, %i) from %p, thread 0x%x ###", m_PosX, m_PosZ, this, GetCurrentThreadId() ); + + for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr) + { + delete *itr; + } + m_BlockEntities.clear(); + + // Remove and destroy all entities that are not players: + cEntityList Entities; + for (cEntityList::const_iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr) + { + if ((*itr)->GetEntityType() != cEntity::eEntityType_Player) + { + Entities.push_back(*itr); + } + } + for (cEntityList::iterator itr = Entities.begin(); itr != Entities.end(); ++itr) + { + (*itr)->RemoveFromChunk(); + (*itr)->Destroy(); + } + m_Entities.clear(); +} + + + + + +void cChunk::SetValid(void) +{ + m_IsValid = true; + + m_World->GetChunkMap()->ChunkValidated(); +} + + + + + +void cChunk::MarkRegenerating(void) +{ + // Tell all clients attached to this chunk that they want this chunk: + for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr) + { + (*itr)->AddWantedChunk(m_PosX, m_PosZ); + } // for itr - m_LoadedByClient[] +} + + + + + +bool cChunk::CanUnload(void) +{ + return m_LoadedByClient.empty() && !m_IsDirty && (m_StayCount == 0); +} + + + + + +void cChunk::MarkSaving(void) +{ + m_IsSaving = true; +} + + + + + +void cChunk::MarkSaved(void) +{ + if (!m_IsSaving) + { + return; + } + m_IsDirty = false; +} + + + + + +void cChunk::MarkLoaded(void) +{ + m_IsDirty = false; + SetValid(); +} + + + + + +void cChunk::MarkLoadFailed(void) +{ + if (m_IsValid) + { + return; + } + + m_HasLoadFailed = true; +} + + + + + +void cChunk::GetAllData(cChunkDataCallback & a_Callback) +{ + a_Callback.HeightMap (&m_HeightMap); + a_Callback.BiomeData (&m_BiomeMap); + a_Callback.BlockTypes (m_BlockTypes); + a_Callback.BlockMeta (m_BlockMeta); + a_Callback.LightIsValid (m_IsLightValid); + a_Callback.BlockLight (m_BlockLight); + a_Callback.BlockSkyLight(m_BlockSkyLight); + + for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr) + { + a_Callback.Entity(*itr); + } + + for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr) + { + a_Callback.BlockEntity(*itr); + } +} + + + + + +void cChunk::SetAllData( + const BLOCKTYPE * a_BlockTypes, + const NIBBLETYPE * a_BlockMeta, + const NIBBLETYPE * a_BlockLight, + const NIBBLETYPE * a_BlockSkyLight, + const HeightMap * a_HeightMap, + const BiomeMap & a_BiomeMap, + cEntityList & a_Entities, + cBlockEntityList & a_BlockEntities +) +{ + memcpy(m_BiomeMap, a_BiomeMap, sizeof(m_BiomeMap)); + + if (a_HeightMap != NULL) + { + memcpy(m_HeightMap, a_HeightMap, sizeof(m_HeightMap)); + } + + memcpy(m_BlockTypes, a_BlockTypes, sizeof(m_BlockTypes)); + memcpy(m_BlockMeta, a_BlockMeta, sizeof(m_BlockMeta)); + if (a_BlockLight != NULL) + { + memcpy(m_BlockLight, a_BlockLight, sizeof(m_BlockLight)); + } + if (a_BlockSkyLight != NULL) + { + memcpy(m_BlockSkyLight, a_BlockSkyLight, sizeof(m_BlockSkyLight)); + } + + m_IsLightValid = (a_BlockLight != NULL) && (a_BlockSkyLight != NULL); + + if (a_HeightMap == NULL) + { + CalculateHeightmap(); + } + + // Append entities to current entity list: + m_Entities.splice(m_Entities.end(), a_Entities); + + // Clear the block entities present - either the loader / saver has better, or we'll create empty ones: + for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr) + { + delete *itr; + } + std::swap(a_BlockEntities, m_BlockEntities); + + // Create block entities that the loader didn't load; fill them with defaults + CreateBlockEntities(); + + m_HasLoadFailed = false; +} + + + + + +void cChunk::SetLight( + const cChunkDef::BlockNibbles & a_BlockLight, + const cChunkDef::BlockNibbles & a_SkyLight +) +{ + // TODO: We might get cases of wrong lighting when a chunk changes in the middle of a lighting calculation. + // Postponing until we see how bad it is :) + memcpy(m_BlockLight, a_BlockLight, sizeof(m_BlockLight)); + memcpy(m_BlockSkyLight, a_SkyLight, sizeof(m_BlockSkyLight)); + m_IsLightValid = true; +} + + + + + +void cChunk::GetBlockTypes(BLOCKTYPE * a_BlockTypes) +{ + memcpy(a_BlockTypes, m_BlockTypes, NumBlocks); +} + + + + + +void cChunk::GetBlockData(BLOCKTYPE * a_BlockData) +{ + memcpy(a_BlockData, m_BlockTypes, NumBlocks); + memcpy(a_BlockData + MetaOffset, m_BlockMeta, NumBlocks / 2); + memcpy(a_BlockData + LightOffset, m_BlockLight, NumBlocks / 2); + memcpy(a_BlockData + SkyLightOffset, m_BlockSkyLight, NumBlocks / 2); +} + + + + + +/// Returns true if there is a block entity at the coords specified +bool cChunk::HasBlockEntityAt(int a_BlockX, int a_BlockY, int a_BlockZ) +{ + for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr) + { + if ( + ((*itr)->GetPosX() == a_BlockX) && + ((*itr)->GetPosY() == a_BlockY) && + ((*itr)->GetPosZ() == a_BlockZ) + ) + { + return true; + } + } // for itr - m_BlockEntities[] + return false; +} + + + + + +/// Sets or resets the internal flag that prevents chunk from being unloaded +void cChunk::Stay(bool a_Stay) +{ + m_StayCount += (a_Stay ? 1 : -1); + ASSERT(m_StayCount >= 0); +} + + + + + +void cChunk::Tick(float a_Dt, MTRand & a_TickRandom) +{ + BroadcastPendingBlockChanges(); + + // Unload the chunk from all clients that have queued unloading: + for (cClientHandleList::iterator itr = m_UnloadQuery.begin(), end = m_UnloadQuery.end(); itr != end; ++itr) + { + (*itr)->SendUnloadChunk(m_PosX, m_PosZ); + } + m_UnloadQuery.clear(); + + CheckBlocks(); + + TickBlocks(a_TickRandom); + + // Tick block entities (furnaces) + for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr) + { + if ((*itr)->GetBlockType() == E_BLOCK_FURNACE) + { + m_IsDirty = ((cFurnaceEntity *)(*itr))->Tick( a_Dt ) | m_IsDirty; + } + } +} + + + + + +void cChunk::BroadcastPendingBlockChanges(void) +{ + sSetBlockVector Changes; + { + cCSLock Lock(m_CSBlockLists); + if (m_PendingSendBlocks.empty()) + { + return; + } + Changes.reserve(m_PendingSendBlocks.size()); + for (std::vector<unsigned int>::iterator itr = m_PendingSendBlocks.begin(), end = m_PendingSendBlocks.end(); itr != end; ++itr) + { + unsigned int index = *itr; + Vector3i RelPos = IndexToCoordinate(index); + Changes.push_back(sSetBlock(m_PosX, m_PosZ, RelPos.x, RelPos.y, RelPos.z, GetBlock(index), GetMeta(index))); + } // for itr - m_PendingSendBlocks[] + m_PendingSendBlocks.clear(); + } + + for (cClientHandleList::iterator itr = m_LoadedByClient.begin(), end = m_LoadedByClient.end(); itr != end; ++itr) + { + (*itr)->SendBlockChanges(m_PosX, m_PosZ, Changes); + } +} + + + + + +void cChunk::CheckBlocks(void) +{ + cCSLock Lock2(m_CSBlockLists); + unsigned int NumTickBlocks = m_ToTickBlocks.size(); + Lock2.Unlock(); + + if (NumTickBlocks == 0) + { + return; + } + + Lock2.Lock(); + std::deque< unsigned int > ToTickBlocks = m_ToTickBlocks; + m_ToTickBlocks.clear(); + Lock2.Unlock(); + + for (std::deque< unsigned int >::const_iterator itr = ToTickBlocks.begin(); itr != ToTickBlocks.end(); ++itr) + { + unsigned int index = (*itr); + Vector3i BlockPos = IndexToCoordinate(index); + Vector3i WorldPos = PositionToWorldPosition( BlockPos ); + + cBlockHandler * Handler = BlockHandler(GetBlock(index)); + if(!Handler->CanBeAt(m_World, WorldPos.x, WorldPos.y, WorldPos.z)) + { + if(Handler->DropOnUnsuitable()) + { + Handler->DropBlock(m_World, WorldPos.x, WorldPos.y, WorldPos.z); + } + + m_World->SetBlock(WorldPos.x, WorldPos.y, WorldPos.z, E_BLOCK_AIR, 0); + } + } // for itr - ToTickBlocks[] +} + + + + + +void cChunk::TickBlocks(MTRand & a_TickRandom) +{ + // Tick dem blocks + // _X: We must limit the random number or else we get a nasty int overflow bug ( http://forum.mc-server.org/showthread.php?tid=457 ) + int RandomX = a_TickRandom.randInt(0x00ffffff); + int RandomY = a_TickRandom.randInt(0x00ffffff); + int RandomZ = a_TickRandom.randInt(0x00ffffff); + int TickX = m_BlockTickX; + int TickY = m_BlockTickY; + int TickZ = m_BlockTickZ; + + // This for loop looks disgusting, but it actually does a simple thing - first processes m_BlockTick, then adds random to it + // This is so that SetNextBlockTick() works + for (int i = 0; i < 50; i++, + + // This weird construct (*2, then /2) is needed, + // otherwise the blocktick distribution is too biased towards even coords! + + TickX = (TickX + RandomX) % (Width * 2), + TickY = (TickY + RandomY) % (Height * 2), + TickZ = (TickZ + RandomZ) % (Width * 2), + m_BlockTickX = TickX / 2, + m_BlockTickY = TickY / 2, + m_BlockTickZ = TickZ / 2 + ) + { + + if (m_BlockTickY > cChunkDef::GetHeight(m_HeightMap, m_BlockTickX, m_BlockTickZ)) + { + continue; // It's all air up here + } + + unsigned int Index = MakeIndexNoCheck( m_BlockTickX, m_BlockTickY, m_BlockTickZ ); + BLOCKTYPE ID = m_BlockTypes[Index]; + switch( ID ) + { + case E_BLOCK_CROPS: + { + NIBBLETYPE Meta = GetMeta(Index); + if (Meta < 7) + { + FastSetBlock(m_BlockTickX, m_BlockTickY, m_BlockTickZ, E_BLOCK_CROPS, ++Meta); + } + break; + } + + 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_FARMLAND: TickFarmland (m_BlockTickX, m_BlockTickY, m_BlockTickZ); break; + case E_BLOCK_SUGARCANE: GrowSugarcane (m_BlockTickX, m_BlockTickY, m_BlockTickZ, 1); break; + case E_BLOCK_CACTUS: GrowCactus (m_BlockTickX, m_BlockTickY, m_BlockTickZ, 1); break; + + + default: + { + cBlockHandler * Handler = BlockHandler(ID); + ASSERT(Handler != NULL); // Happenned on server restart, FS #243 + if (Handler->NeedsRandomTicks()) + { + Handler->OnUpdate(m_World, m_BlockTickX + m_PosX * Width, m_BlockTickY, m_BlockTickZ + m_PosZ * Width); + } + break; + } + } + } +} + + + + + +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; + } + GrowMelonPumpkin(a_RelX, a_RelY, a_RelZ, a_BlockType, a_TickRandom); +} + + + + + +void cChunk::TickFarmland(int a_RelX, int a_RelY, int a_RelZ) +{ + // TODO: Rain hydrates blocks, too. Check world weather, don't search for water if raining. + // NOTE: The desert biomes do not get precipitation, so another check needs to be made. + + // Search for water in a close proximity: + // Ref.: http://www.minecraftwiki.net/wiki/Farmland#Hydrated_Farmland_Tiles + bool Found = false; + for (int y = a_RelY; y <= a_RelY + 1; y++) + { + for (int z = a_RelZ - 4; z <= a_RelZ + 4; z++) + { + for (int x = a_RelX - 4; x <= a_RelX + 4; x++) + { + BLOCKTYPE BlockType; + NIBBLETYPE Meta; // unused + + if (!UnboundedRelGetBlock(x, y, z, BlockType, Meta)) + { + // Too close to an unloaded chunk, we might miss a water block there, so don't tick at all + return; + } + if ( + (BlockType == E_BLOCK_WATER) || + (BlockType == E_BLOCK_STATIONARY_WATER) + ) + { + Found = true; + break; + } + } // for x + if (Found) + { + break; + } + } // for z + if (Found) + { + break; + } + } // for y + + NIBBLETYPE BlockMeta = GetMeta(a_RelX, a_RelY, a_RelZ); + + if (Found) + { + // Water was found, hydrate the block until hydration reaches 7: + if (BlockMeta < 7) + { + FastSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_FARMLAND, ++BlockMeta); + } + return; + } + + // Water wasn't found, de-hydrate block: + if (BlockMeta > 0) + { + FastSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_FARMLAND, --BlockMeta); + return; + } + + // Farmland too dry. If nothing is growing on top, turn back to dirt: + + switch (GetBlock(a_RelX, a_RelY + 1, a_RelZ)) + { + case E_BLOCK_CROPS: + case E_BLOCK_MELON_STEM: + case E_BLOCK_PUMPKIN_STEM: + break; + default: + FastSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_DIRT, 0); + break; + } +} + + + + + + +void cChunk::GrowMelonPumpkin(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, MTRand & a_TickRandom) +{ + // 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(3); // 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 - 1, 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; + } + } +} + + + + + +void cChunk::GrowSugarcane(int a_RelX, int a_RelY, int a_RelZ, int a_NumBlocks) +{ + // Check the total height of the sugarcane blocks here: + int Top = a_RelY + 1; + while ( + (Top < cChunkDef::Height) && + (GetBlock(a_RelX, Top, a_RelZ) == E_BLOCK_SUGARCANE) + ) + { + ++Top; + } + int Bottom = a_RelY - 1; + while ( + (Bottom > 0) && + (GetBlock(a_RelX, Bottom, a_RelZ) == E_BLOCK_SUGARCANE) + ) + { + --Bottom; + } + + // Grow by at most a_NumBlocks, but no more than max height: + int ToGrow = std::min(a_NumBlocks, m_World->GetMaxSugarcaneHeight() + 1 - (Top - Bottom)); + for (int i = 0; i < ToGrow; i++) + { + BLOCKTYPE BlockType; + NIBBLETYPE BlockMeta; + if (UnboundedRelGetBlock(a_RelX, Top + i, a_RelZ, BlockType, BlockMeta) && (BlockType == E_BLOCK_AIR)) + { + UnboundedRelFastSetBlock(a_RelX, Top + i, a_RelZ, E_BLOCK_SUGARCANE, 0); + } + else + { + break; + } + } // for i +} + + + + + +void cChunk::GrowCactus(int a_RelX, int a_RelY, int a_RelZ, int a_NumBlocks) +{ + // Check the total height of the sugarcane blocks here: + int Top = a_RelY + 1; + while ( + (Top < cChunkDef::Height) && + (GetBlock(a_RelX, Top, a_RelZ) == E_BLOCK_CACTUS) + ) + { + ++Top; + } + int Bottom = a_RelY - 1; + while ( + (Bottom > 0) && + (GetBlock(a_RelX, Bottom, a_RelZ) == E_BLOCK_CACTUS) + ) + { + --Bottom; + } + + // Grow by at most a_NumBlocks, but no more than max height: + int ToGrow = std::min(a_NumBlocks, m_World->GetMaxCactusHeight() + 1 - (Top - Bottom)); + for (int i = 0; i < ToGrow; i++) + { + BLOCKTYPE BlockType; + NIBBLETYPE BlockMeta; + if (UnboundedRelGetBlock(a_RelX, Top + i, a_RelZ, BlockType, BlockMeta) && (BlockType == E_BLOCK_AIR)) + { + // TODO: Check the surrounding blocks, if they aren't air, break the cactus block into pickups (and continue breaking blocks above in the next loop iterations) + UnboundedRelFastSetBlock(a_RelX, Top + i, a_RelZ, E_BLOCK_CACTUS, 0); + } + else + { + break; + } + } // for i +} + + + + + +bool cChunk::UnboundedRelGetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta) +{ + if ((a_RelY < 0) || (a_RelY > cChunkDef::Height)) + { + return false; + } + + 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)); + + if ((a_X >= 0) && (a_X < Width) && (a_Z >= 0) && (a_Z < Width)) + { + return m_HeightMap[a_X + a_Z * Width]; + } + return 0; +} + + + + + +void cChunk::CreateBlockEntities(void) +{ + for (int x = 0; x < Width; x++) + { + for (int z = 0; z < Width; z++) + { + for (int y = 0; y < Height; y++) + { + ENUM_BLOCK_ID BlockType = (ENUM_BLOCK_ID)cChunkDef::GetBlock(m_BlockTypes, x, y, z); + switch ( BlockType ) + { + case E_BLOCK_CHEST: + { + if (!HasBlockEntityAt(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width)) + { + m_BlockEntities.push_back( new cChestEntity( x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width, m_World) ); + } + break; + } + + case E_BLOCK_FURNACE: + { + if (!HasBlockEntityAt(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width)) + { + m_BlockEntities.push_back( new cFurnaceEntity( x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width, m_World) ); + } + break; + } + + case E_BLOCK_SIGN_POST: + case E_BLOCK_WALLSIGN: + { + if (!HasBlockEntityAt(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width)) + { + m_BlockEntities.push_back( new cSignEntity( BlockType, x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width, m_World) ); + } + break; + } + + case E_BLOCK_NOTE_BLOCK: + { + if (!HasBlockEntityAt(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width)) + { + m_BlockEntities.push_back(new cNoteEntity(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width, m_World) ); + } + break; + } + } // switch (BlockType) + } // for y + } // for z + } // for x +} + + + + + +void cChunk::CalculateHeightmap() +{ + for (int x = 0; x < Width; x++) + { + for (int z = 0; z < Width; z++) + { + for (int y = Height - 1; y > -1; y--) + { + int index = MakeIndex( x, y, z ); + if (m_BlockTypes[index] != E_BLOCK_AIR) + { + m_HeightMap[x + z * Width] = (unsigned char)y; + break; + } + } // for y + } // for z + } // for x +} + + + + + +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) + { + return; // Clip + } + + ASSERT(IsValid()); // Is this chunk loaded / generated? + + int index = MakeIndexNoCheck( a_RelX, a_RelY, a_RelZ ); + BLOCKTYPE OldBlockMeta = GetNibble( m_BlockMeta, index ); + BLOCKTYPE OldBlockType = m_BlockTypes[index]; + m_BlockTypes[index] = a_BlockType; + + SetNibble( m_BlockMeta, index, a_BlockMeta ); + + if ((OldBlockType == a_BlockType) && (OldBlockMeta == a_BlockMeta)) + { + return; + } + + MarkDirty(); + + { + cCSLock Lock(m_CSBlockLists); + m_PendingSendBlocks.push_back( index ); + } + + // ONLY recalculate lighting if it's necessary! + if( + (g_BlockLightValue[ OldBlockType ] != g_BlockLightValue[ a_BlockType ]) || + (g_BlockSpreadLightFalloff[ OldBlockType ] != g_BlockSpreadLightFalloff[ a_BlockType ]) || + (g_BlockTransparent[ OldBlockType ] != g_BlockTransparent[ a_BlockType ] ) + ) + { + m_IsLightValid = false; + } + + // Update heightmap, if needed: + if (a_RelY >= m_HeightMap[a_RelX + a_RelZ * Width]) + { + if (a_BlockType != E_BLOCK_AIR) + { + SetHeight(m_HeightMap, a_RelX, a_RelZ, a_RelY); + } + else + { + for (int y = a_RelY - 1; y > 0; --y) + { + if (cChunkDef::GetBlock(m_BlockTypes, a_RelX, y, a_RelZ) != E_BLOCK_AIR) + { + SetHeight(m_HeightMap, a_RelX, a_RelZ, y); + break; + } + } // for y - column in m_BlockData + } + } + + m_ToTickBlocks.push_back( MakeIndex( a_RelX, a_RelY, a_RelZ ) ); + m_ToTickBlocks.push_back( MakeIndex( a_RelX + 1, a_RelY, a_RelZ ) ); + m_ToTickBlocks.push_back( MakeIndex( a_RelX - 1, a_RelY, a_RelZ ) ); + m_ToTickBlocks.push_back( MakeIndex( a_RelX, a_RelY + 1, a_RelZ ) ); + m_ToTickBlocks.push_back( MakeIndex( a_RelX, a_RelY - 1, a_RelZ ) ); + m_ToTickBlocks.push_back( MakeIndex( a_RelX, a_RelY, a_RelZ + 1 ) ); + m_ToTickBlocks.push_back( MakeIndex( a_RelX, a_RelY, a_RelZ - 1 ) ); + + Vector3i WorldPos = PositionToWorldPosition( a_RelX, a_RelY, a_RelZ ); + cBlockEntity* BlockEntity = GetBlockEntity( WorldPos ); + if( BlockEntity ) + { + BlockEntity->Destroy(); + RemoveBlockEntity( BlockEntity ); + delete BlockEntity; + } + switch( a_BlockType ) + { + case E_BLOCK_CHEST: + { + AddBlockEntity( new cChestEntity( WorldPos.x, WorldPos.y, WorldPos.z, m_World) ); + break; + } + case E_BLOCK_FURNACE: + { + AddBlockEntity( new cFurnaceEntity( WorldPos.x, WorldPos.y, WorldPos.z, m_World) ); + break; + } + case E_BLOCK_SIGN_POST: + case E_BLOCK_WALLSIGN: + { + AddBlockEntity( new cSignEntity( (ENUM_BLOCK_ID)a_BlockType, WorldPos.x, WorldPos.y, WorldPos.z, m_World) ); + break; + } + case E_BLOCK_NOTE_BLOCK: + { + AddBlockEntity(new cNoteEntity(WorldPos.x, WorldPos.y, WorldPos.z, m_World)); + break; + } + } // switch (a_BlockType) +} + + + + + +void cChunk::FastSetBlock( int a_X, int a_Y, int a_Z, BLOCKTYPE a_BlockType, BLOCKTYPE a_BlockMeta) +{ + ASSERT(!((a_X < 0 || a_X >= Width || a_Y < 0 || a_Y >= Height || a_Z < 0 || a_Z >= Width))); + + ASSERT(IsValid()); + + const int index = MakeIndexNoCheck( a_X, a_Y, a_Z ); + const BLOCKTYPE OldBlock = m_BlockTypes[index]; + const BLOCKTYPE OldBlockMeta = GetNibble( m_BlockMeta, index ); + if ((OldBlock == a_BlockType) && (OldBlockMeta == a_BlockMeta)) + { + return; + } + + MarkDirty(); + + m_BlockTypes[index] = a_BlockType; + + { + cCSLock Lock(m_CSBlockLists); + m_PendingSendBlocks.push_back( index ); + } + + SetNibble( m_BlockMeta, index, a_BlockMeta ); + + // ONLY recalculate lighting if it's necessary! + if( + (g_BlockLightValue[ OldBlock ] != g_BlockLightValue[ a_BlockType ]) || + (g_BlockSpreadLightFalloff[ OldBlock ] != g_BlockSpreadLightFalloff[ a_BlockType ]) || + (g_BlockTransparent[ OldBlock ] != g_BlockTransparent[ a_BlockType ] ) + ) + { + m_IsLightValid = false; + } + + // Update heightmap, if needed: + if (a_Y >= m_HeightMap[a_X + a_Z * Width]) + { + if (a_BlockType != E_BLOCK_AIR) + { + m_HeightMap[a_X + a_Z * Width] = (unsigned char)a_Y; + } + else + { + for (int y = a_Y - 1; y > 0; --y) + { + if (m_BlockTypes[MakeIndexNoCheck(a_X, y, a_Z)] != E_BLOCK_AIR) + { + m_HeightMap[a_X + a_Z * Width] = (unsigned char)y; + break; + } + } // for y - column in m_BlockData + } + } +} + + + + + +void cChunk::SendBlockTo(int a_RelX, int a_RelY, int a_RelZ, cClientHandle * a_Client) +{ + unsigned int index = MakeIndex(a_RelX, a_RelY, a_RelZ); + if (index == INDEX_OUT_OF_RANGE) + { + LOGWARN("cChunk::SendBlockTo Index out of range!"); + return; + } + + if (a_Client == NULL) + { + // Queue the block for all clients in the chunk (will be sent in Tick()) + m_PendingSendBlocks.push_back(index); + return; + } + + Vector3i wp = PositionToWorldPosition(a_RelX, a_RelY, a_RelZ); + a_Client->SendBlockChange(wp.x, wp.y, wp.z, GetBlock(index), GetMeta(index)); +} + + + + + +void cChunk::AddBlockEntity( cBlockEntity* a_BlockEntity ) +{ + cCSLock Lock(m_CSBlockLists); + m_BlockEntities.push_back( a_BlockEntity ); +} + + + + + +cBlockEntity * cChunk::GetBlockEntity(int a_X, int a_Y, int a_Z) +{ + for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr) + { + if ( + ((*itr)->GetPosX() == a_X) && + ((*itr)->GetPosY() == a_Y) && + ((*itr)->GetPosZ() == a_Z) + ) + { + return *itr; + } + } // for itr - m_BlockEntities[] + + return NULL; +} + + + + + +void cChunk::UseBlockEntity(cPlayer * a_Player, int a_X, int a_Y, int a_Z) +{ + cBlockEntity * be = GetBlockEntity(a_X, a_Y, a_Z); + if (be != NULL) + { + be->UsedBy(a_Player); + } +} + + + + + +void cChunk::CollectPickupsByPlayer(cPlayer * a_Player) +{ + double PosX = a_Player->GetPosX(); + double PosY = a_Player->GetPosY(); + double PosZ = a_Player->GetPosZ(); + + for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr) + { + if ( (*itr)->GetEntityType() != cEntity::eEntityType_Pickup ) + { + continue; // Only pickups + } + float DiffX = (float)((*itr)->GetPosX() - PosX ); + float DiffY = (float)((*itr)->GetPosY() - PosY ); + float DiffZ = (float)((*itr)->GetPosZ() - PosZ ); + float SqrDist = DiffX * DiffX + DiffY * DiffY + DiffZ * DiffZ; + if (SqrDist < 1.5f * 1.5f) // 1.5 block + { + MarkDirty(); + (reinterpret_cast<cPickup *>(*itr))->CollectedBy( a_Player ); + } + } +} + + + + + +void cChunk::UpdateSign(int a_PosX, int a_PosY, int a_PosZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4) +{ + // Also sends update packets to all clients in the chunk + for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr) + { + if ( + ((*itr)->GetPosX() == a_PosX) && + ((*itr)->GetPosY() == a_PosY) && + ((*itr)->GetPosZ() == a_PosZ) && + ( + ((*itr)->GetBlockType() == E_BLOCK_WALLSIGN) || + ((*itr)->GetBlockType() == E_BLOCK_SIGN_POST) + ) + ) + { + MarkDirty(); + (reinterpret_cast<cSignEntity *>(*itr))->SetLines(a_Line1, a_Line2, a_Line3, a_Line4); + m_World->BroadcastBlockEntity(a_PosX, a_PosY, a_PosZ); + } + } // for itr - m_BlockEntities[] +} + + + + + +void cChunk::RemoveBlockEntity( cBlockEntity* a_BlockEntity ) +{ + cCSLock Lock(m_CSBlockLists); + MarkDirty(); + m_BlockEntities.remove( a_BlockEntity ); +} + + + + + +bool cChunk::AddClient(cClientHandle* a_Client) +{ + for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr) + { + if (a_Client == *itr) + { + // Already there, nothing needed + return false; + } + } + m_LoadedByClient.push_back( a_Client ); + + for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr ) + { + LOGD("cChunk: Entity #%d (%s) at [%i, %i, %i] spawning for player \"%s\"", (*itr)->GetUniqueID(), (*itr)->GetClass(), m_PosX, m_PosY, m_PosZ, a_Client->GetUsername().c_str()); + (*itr)->SpawnOn(*a_Client); + } + return true; +} + + + + + +void cChunk::RemoveClient( cClientHandle* a_Client ) +{ + for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr) + { + if (*itr != a_Client) + { + continue; + } + + m_LoadedByClient.erase(itr); + + if (!a_Client->IsDestroyed()) + { + for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr ) + { + LOGD("chunk [%i, %i] destroying entity #%i for player \"%s\"", m_PosX, m_PosZ, (*itr)->GetUniqueID(), a_Client->GetUsername().c_str() ); + a_Client->SendDestroyEntity(*(*itr)); + } + } + return; + } // for itr - m_LoadedByClient[] +} + + + + + +bool cChunk::HasClient( cClientHandle* a_Client ) +{ + for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr) + { + if ((*itr) == a_Client) + { + return true; + } + } + return false; +} + + + + + +bool cChunk::HasAnyClients(void) +{ + return !m_LoadedByClient.empty(); +} + + + + + +void cChunk::AddEntity( cEntity * a_Entity) +{ + if (a_Entity->GetEntityType() != cEntity::eEntityType_Player) + { + MarkDirty(); + } + m_Entities.push_back( a_Entity ); +} + + + + + +void cChunk::RemoveEntity(cEntity * a_Entity) +{ + size_t SizeBefore = m_Entities.size(); + m_Entities.remove(a_Entity); + size_t SizeAfter = m_Entities.size(); + + if (SizeBefore != SizeAfter) + { + // Mark as dirty if it was a server-generated entity: + if (a_Entity->GetEntityType() != cEntity::eEntityType_Player) + { + MarkDirty(); + } + } +} + + + + + +bool cChunk::ForEachEntity(cEntityCallback & a_Callback) +{ + // The entity list is locked by the parent chunkmap's CS + for (cEntityList::iterator itr = m_Entities.begin(), itr2 = itr; itr != m_Entities.end(); itr = itr2) + { + ++itr2; + if (a_Callback.Item(*itr)) + { + return false; + } + } // for itr - m_Entitites[] + return true; +} + + + + + +bool cChunk::ForEachChest(cChestCallback & a_Callback) +{ + // The blockentity list is locked by the parent chunkmap's CS + for (cBlockEntityList::iterator itr = m_BlockEntities.begin(), itr2 = itr; itr != m_BlockEntities.end(); itr = itr2) + { + ++itr2; + if ((*itr)->GetBlockType() != E_BLOCK_CHEST) + { + continue; + } + if (a_Callback.Item((cChestEntity *)*itr)) + { + return false; + } + } // for itr - m_BlockEntitites[] + return true; +} + + + + + +bool cChunk::ForEachFurnace(cFurnaceCallback & a_Callback) +{ + // The blockentity list is locked by the parent chunkmap's CS + for (cBlockEntityList::iterator itr = m_BlockEntities.begin(), itr2 = itr; itr != m_BlockEntities.end(); itr = itr2) + { + ++itr2; + switch ((*itr)->GetBlockType()) + { + case E_BLOCK_FURNACE: + case E_BLOCK_LIT_FURNACE: + { + break; + } + default: + { + continue; + } + } + if (a_Callback.Item((cFurnaceEntity *)*itr)) + { + return false; + } + } // for itr - m_BlockEntitites[] + return true; +} + + + + + +bool cChunk::DoWithChestAt(int a_BlockX, int a_BlockY, int a_BlockZ, cChestCallback & a_Callback) +{ + // The blockentity list is locked by the parent chunkmap's CS + for (cBlockEntityList::iterator itr = m_BlockEntities.begin(), itr2 = itr; itr != m_BlockEntities.end(); itr = itr2) + { + ++itr2; + if (((*itr)->GetPosX() != a_BlockX) || ((*itr)->GetPosY() != a_BlockY) || ((*itr)->GetPosZ() != a_BlockZ)) + { + continue; + } + if ((*itr)->GetBlockType() != E_BLOCK_CHEST) + { + // There is a block entity here, but of different type. No other block entity can be here, so we can safely bail out + return false; + } + + // The correct block entity is here + if (a_Callback.Item((cChestEntity *)*itr)) + { + return false; + } + return true; + } // for itr - m_BlockEntitites[] + + // Not found: + return false; +} + + + + + +bool cChunk::DoWithFurnaceAt(int a_BlockX, int a_BlockY, int a_BlockZ, cFurnaceCallback & a_Callback) +{ + // The blockentity list is locked by the parent chunkmap's CS + for (cBlockEntityList::iterator itr = m_BlockEntities.begin(), itr2 = itr; itr != m_BlockEntities.end(); itr = itr2) + { + ++itr2; + if (((*itr)->GetPosX() != a_BlockX) || ((*itr)->GetPosY() != a_BlockY) || ((*itr)->GetPosZ() != a_BlockZ)) + { + continue; + } + switch ((*itr)->GetBlockType()) + { + case E_BLOCK_FURNACE: + case E_BLOCK_LIT_FURNACE: + { + break; + } + default: + { + // There is a block entity here, but of different type. No other block entity can be here, so we can safely bail out + return false; + } + } // switch (BlockType) + + // The correct block entity is here, + if (a_Callback.Item((cFurnaceEntity *)*itr)) + { + return false; + } + return true; + } // for itr - m_BlockEntitites[] + + // Not found: + return false; +} + + + + + +bool cChunk::GetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, AString & a_Line1, AString & a_Line2, AString & a_Line3, AString & a_Line4) +{ + // The blockentity list is locked by the parent chunkmap's CS + for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr) + { + if (((*itr)->GetPosX() != a_BlockX) || ((*itr)->GetPosY() != a_BlockY) || ((*itr)->GetPosZ() != a_BlockZ)) + { + continue; + } + switch ((*itr)->GetBlockType()) + { + case E_BLOCK_WALLSIGN: + case E_BLOCK_SIGN_POST: + { + a_Line1 = ((cSignEntity *)*itr)->GetLine(0); + a_Line2 = ((cSignEntity *)*itr)->GetLine(1); + a_Line3 = ((cSignEntity *)*itr)->GetLine(2); + a_Line4 = ((cSignEntity *)*itr)->GetLine(3); + return true; + } + } // switch (BlockType) + + // There is a block entity here, but of different type. No other block entity can be here, so we can safely bail out + return false; + } // for itr - m_BlockEntitites[] + + // Not found: + return false; +} + + + + + +BLOCKTYPE cChunk::GetBlock( int a_X, int a_Y, int a_Z ) +{ + if ((a_X < 0) || (a_X >= Width) || (a_Y < 0) || (a_Y >= Height) || (a_Z < 0) || (a_Z >= Width)) return 0; // Clip + + return m_BlockTypes[ MakeIndexNoCheck( a_X, a_Y, a_Z ) ]; +} + + + + + +BLOCKTYPE cChunk::GetBlock( int a_BlockIdx ) +{ + if( a_BlockIdx < 0 || a_BlockIdx >= NumBlocks ) return 0; + return m_BlockTypes[ a_BlockIdx ]; +} + + + + + +void cChunk::GetBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta) +{ + int Idx = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ); + a_BlockType = cChunkDef::GetBlock (m_BlockTypes, a_RelX, a_RelY, a_RelZ); + a_BlockMeta = cChunkDef::GetNibble(m_BlockMeta, a_RelX, a_RelY, a_RelZ); +} + + + + + +void cChunk::BroadcastPlayerAnimation(const cPlayer & a_Player, char a_Animation, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendPlayerAnimation(a_Player, a_Animation); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendEntityEquipment(a_Entity, a_SlotNum, a_Item); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastEntRelMoveLook(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendEntRelMoveLook(a_Entity, a_RelX, a_RelY, a_RelZ); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastEntRelMove(const cEntity & a_Entity, char a_RelX, char a_RelY, char a_RelZ, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendEntRelMove(a_Entity, a_RelX, a_RelY, a_RelZ); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastEntLook(const cEntity & a_Entity, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendEntLook(a_Entity); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastEntHeadLook(const cEntity & a_Entity, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendEntHeadLook(a_Entity); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, BLOCKTYPE a_BlockType, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendBlockAction(a_BlockX, a_BlockY, a_BlockZ, a_Byte1, a_Byte2, a_BlockType); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastDestroyEntity(const cEntity & a_Entity, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendDestroyEntity(a_Entity); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastEntityStatus(const cEntity & a_Entity, char a_Status, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendEntityStatus(a_Entity, a_Status); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastMetadata(const cPawn & a_Pawn, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendMetadata(a_Pawn); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastSpawn(cEntity & a_Entity, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + a_Entity.SpawnOn(*(*itr)); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendCollectPickup(a_Pickup, a_Player); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendThunderbolt(a_BlockX, a_BlockY, a_BlockZ); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastSoundEffect(const AString & a_SoundName, int a_SrcX, int a_SrcY, int a_SrcZ, float a_Volume, float a_Pitch, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendSoundEffect(a_SoundName, a_SrcX, a_SrcY, a_SrcZ, a_Volume, a_Pitch); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastChunkData(cChunkDataSerializer & a_Serializer, const cClientHandle * a_Exclude) +{ + for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + (*itr)->SendChunkData(m_PosX, m_PosZ, a_Serializer); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::BroadcastBlockEntity(int a_BlockX, int a_BlockY, int a_BlockZ, const cClientHandle * a_Exclude) +{ + // We can operate on entity pointers, we're inside the ChunkMap's CS lock which guards the list + cBlockEntity * Entity = GetBlockEntity(a_BlockX, a_BlockY, a_BlockZ); + if (Entity == NULL) + { + return; + } + for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr ) + { + if (*itr == a_Exclude) + { + continue; + } + Entity->SendTo(*(*itr)); + } // for itr - LoadedByClient[] +} + + + + + +void cChunk::SendBlockEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cClientHandle & a_Client) +{ + cBlockEntity * Entity = GetBlockEntity(a_BlockX, a_BlockY, a_BlockZ); + if (Entity == NULL) + { + return; + } + Entity->SendTo(a_Client); +} + + + + + +void cChunk::PositionToWorldPosition(int a_RelX, int a_RelY, int a_RelZ, int & a_BlockX, int & a_BlockY, int & a_BlockZ) +{ + a_BlockY = a_RelY; + a_BlockX = m_PosX * Width + a_RelX; + a_BlockZ = m_PosZ * Width + a_RelZ; +} + + + + + +Vector3i cChunk::PositionToWorldPosition(int a_RelX, int a_RelY, int a_RelZ) +{ + return Vector3i(m_PosX * Width + a_RelX, m_PosY * Height + a_RelY, m_PosZ * Width + a_RelZ); +} + + + + + +#if !C_CHUNK_USE_INLINE +# include "cChunk.inl.h" +#endif + + + + |