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05d71675f6
cuberite-2a/source/Chunk.cpp
luksor111@gmail.com 05d71675f6 Added dispensers (they can't dispense items yet) 
Fixed crash when digging snow
Moved BlockPlace hook check, so Core plugin will no longer block item usage
Player chat messages are now visible in the console

git-svn-id: http://mc-server.googlecode.com/svn/trunk@1081 0a769ca7-a7f5-676a-18bf-c427514a06d6
2012-12-19 21:19:36 +00:00

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#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 "ClientHandle.h"
#include "Server.h"
#include "zlib.h"
#include "Defines.h"
#include "ChestEntity.h"
#include "DispenserEntity.h"
#include "FurnaceEntity.h"
#include "SignEntity.h"
#include "NoteEntity.h"
#include "JukeboxEntity.h"
#include "Torch.h"
#include "Ladder.h"
#include "Pickup.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>
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// 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,
cChunk * a_NeighborXM, cChunk * a_NeighborXP, cChunk * a_NeighborZM, cChunk * a_NeighborZP
)
: 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)
, m_NeighborXM(a_NeighborXM)
, m_NeighborXP(a_NeighborXP)
, m_NeighborZM(a_NeighborZM)
, m_NeighborZP(a_NeighborZP)
{
if (a_NeighborXM != NULL)
{
a_NeighborXM->m_NeighborXP = this;
}
if (a_NeighborXP != NULL)
{
a_NeighborXP->m_NeighborXM = this;
}
if (a_NeighborZM != NULL)
{
a_NeighborZM->m_NeighborZP = this;
}
if (a_NeighborZP != NULL)
{
a_NeighborZP->m_NeighborZM = this;
}
}
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();
if (m_NeighborXM != NULL)
{
m_NeighborXM->m_NeighborXP = NULL;
}
if (m_NeighborXP != NULL)
{
m_NeighborXP->m_NeighborXM = NULL;
}
if (m_NeighborZM != NULL)
{
m_NeighborZM->m_NeighborZP = NULL;
}
if (m_NeighborZP != NULL)
{
m_NeighborZP->m_NeighborZM = NULL;
}
}
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::WriteBlockArea(cBlockArea & a_Area, int a_MinBlockX, int a_MinBlockY, int a_MinBlockZ, int a_DataTypes)
{
if ((a_DataTypes & (cBlockArea::baTypes | cBlockArea::baMetas)) != (cBlockArea::baTypes | cBlockArea::baMetas))
{
LOGWARNING("cChunk::WriteBlockArea(): unsupported datatype request, can write only types + metas (0x%x), requested 0x%x. Ignoring.",
(cBlockArea::baTypes | cBlockArea::baMetas), a_DataTypes & (cBlockArea::baTypes | cBlockArea::baMetas)
);
return;
}
// SizeX, SizeZ are the dimensions of the block data to copy to the chunk (size of the geometric union)
int BlockStartX = std::max(a_MinBlockX, m_PosX * cChunkDef::Width);
int BlockEndX = std::min(a_MinBlockX + a_Area.GetSizeX(), (m_PosX + 1) * cChunkDef::Width);
int BlockStartZ = std::max(a_MinBlockZ, m_PosZ * cChunkDef::Width);
int BlockEndZ = std::min(a_MinBlockZ + a_Area.GetSizeZ(), (m_PosZ + 1) * cChunkDef::Width);
int SizeX = BlockEndX - BlockStartX;
int SizeZ = BlockEndZ - BlockStartZ;
int OffX = BlockStartX - m_PosX * cChunkDef::Width;
int OffZ = BlockStartZ - m_PosZ * cChunkDef::Width;
int BaseX = BlockStartX - a_MinBlockX;
int BaseZ = BlockStartZ - a_MinBlockZ;
int SizeY = a_Area.GetSizeY();
// TODO: Improve this by not calling FastSetBlock() and doing the processing here
// so that the heightmap is touched only once for each column.
BLOCKTYPE * AreaBlockTypes = a_Area.GetBlockTypes();
NIBBLETYPE * AreaBlockMetas = a_Area.GetBlockMetas();
for (int y = 0; y < SizeY; y++)
{
int ChunkY = a_MinBlockY + y;
int AreaY = y;
for (int z = 0; z < SizeZ; z++)
{
int ChunkZ = OffZ + z;
int AreaZ = BaseZ + z;
for (int x = 0; x < SizeX; x++)
{
int ChunkX = OffX + x;
int AreaX = BaseX + x;
int idx = a_Area.MakeIndex(AreaX, AreaY, AreaZ);
BLOCKTYPE BlockType = AreaBlockTypes[idx];
NIBBLETYPE BlockMeta = AreaBlockMetas[idx];
FastSetBlock(ChunkX, ChunkY, ChunkZ, BlockType, BlockMeta);
} // for x
} // for z
} // for y
}
/// 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;
}
}
ApplyWeatherToTop(a_TickRandom);
}
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));
Handler->Check(m_World, WorldPos.x, WorldPos.y, WorldPos.z);
} // 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);
cBlockHandler * Handler = BlockHandler(m_BlockTypes[Index]);
ASSERT(Handler != NULL); // Happenned on server restart, FS #243
Handler->OnUpdate(m_World, m_BlockTickX + m_PosX * Width, m_BlockTickY, m_BlockTickZ + m_PosZ * Width);
} // for i - tickblocks
}
void cChunk::ApplyWeatherToTop(MTRand & a_TickRandom)
{
if (
(a_TickRandom.randInt(100) != 0) ||
(
(m_World->GetWeather() != eWeather_Rain) &&
(m_World->GetWeather() != eWeather_ThunderStorm)
)
)
{
// Not the right weather, or not at this tick; bail out
return;
}
int X = a_TickRandom.randInt(15);
int Z = a_TickRandom.randInt(15);
switch (GetBiomeAt(X, Z))
{
case biTaiga:
case biFrozenOcean:
case biFrozenRiver:
case biIcePlains:
case biIceMountains:
case biTaigaHills:
{
// TODO: Check light levels, don't snow over when the BlockLight is higher than (7?)
int Height = GetHeight(X, Z);
BLOCKTYPE TopBlock = GetBlock(X, Height, Z);
NIBBLETYPE TopMeta = GetMeta (X, Height, Z);
if (m_World->IsDeepSnowEnabled() && (TopBlock == E_BLOCK_SNOW))
{
int MaxSize = 7;
BLOCKTYPE BlockType[4];
NIBBLETYPE BlockMeta[4];
UnboundedRelGetBlock(X - 1, Height, Z, BlockType[0], BlockMeta[0]);
UnboundedRelGetBlock(X + 1, Height, Z, BlockType[1], BlockMeta[1]);
UnboundedRelGetBlock(X, Height, Z - 1, BlockType[2], BlockMeta[2]);
UnboundedRelGetBlock(X, Height, Z + 1, BlockType[3], BlockMeta[3]);
for (int i = 0; i < 4; i++)
{
switch (BlockType[i])
{
case E_BLOCK_AIR:
{
MaxSize = 0;
break;
}
case E_BLOCK_SNOW:
{
MaxSize = std::min(BlockMeta[i] + 1, MaxSize);
break;
}
}
}
if (TopMeta < MaxSize)
{
FastSetBlock(X, Height, Z, E_BLOCK_SNOW, TopMeta + 1);
}
else if (TopMeta > MaxSize)
{
FastSetBlock(X, Height, Z, E_BLOCK_SNOW, TopMeta - 1);
}
}
else if (g_BlockIsSnowable[TopBlock])
{
SetBlock(X, Height + 1, Z, E_BLOCK_SNOW, 0);
}
else if ((TopBlock == E_BLOCK_WATER) || (TopBlock == E_BLOCK_STATIONARY_WATER))
{
SetBlock(X, Height, Z, E_BLOCK_ICE, 0);
}
else if (
(m_World->IsDeepSnowEnabled()) &&
(
(TopBlock == E_BLOCK_RED_ROSE) ||
(TopBlock == E_BLOCK_YELLOW_FLOWER) ||
(TopBlock == E_BLOCK_RED_MUSHROOM) ||
(TopBlock == E_BLOCK_BROWN_MUSHROOM)
)
)
{
SetBlock(X, Height, Z, E_BLOCK_SNOW, 0);
}
break;
} // case (snowy biomes)
// TODO: Rainy biomes should check for farmland and cauldrons
} // switch (biome)
}
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))
{
LOGWARNING("UnboundedRelGetBlock(): requesting a block with a_RelY out of range: %d", a_RelY);
return false;
}
// Is it in this chunk?
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;
}
// Not in this chunk, try walking the neighbors first:
if ((a_RelX < 0) && (m_NeighborXM != NULL))
{
return m_NeighborXM->UnboundedRelGetBlock(a_RelX + cChunkDef::Width, a_RelY, a_RelZ, a_BlockType, a_BlockMeta);
}
if ((a_RelX >= cChunkDef::Width) && (m_NeighborXP != NULL))
{
return m_NeighborXP->UnboundedRelGetBlock(a_RelX - cChunkDef::Width, a_RelY, a_RelZ, a_BlockType, a_BlockMeta);
}
if ((a_RelZ < 0) && (m_NeighborZM != NULL))
{
return m_NeighborZM->UnboundedRelGetBlock(a_RelX, a_RelY, a_RelZ + cChunkDef::Width, a_BlockType, a_BlockMeta);
}
if ((a_RelZ >= cChunkDef::Width) && (m_NeighborZP != NULL))
{
return m_NeighborZP->UnboundedRelGetBlock(a_RelX, a_RelY, a_RelZ - cChunkDef::Width, a_BlockType, a_BlockMeta);
}
// Neighbors not available, use the chunkmap to locate the chunk:
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_RelY < 0) || (a_RelY > cChunkDef::Height))
{
LOGWARNING("UnboundedRelSetBlock(): requesting a block with a_RelY out of range: %d", a_RelY);
return false;
}
// Is it in this chunk?
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;
}
// Not in this chunk, try walking the neighbors first:
if ((a_RelX < 0) && (m_NeighborXM != NULL))
{
return m_NeighborXM->UnboundedRelSetBlock(a_RelX + cChunkDef::Width, a_RelY, a_RelZ, a_BlockType, a_BlockMeta);
}
if ((a_RelX >= cChunkDef::Width) && (m_NeighborXP != NULL))
{
return m_NeighborXP->UnboundedRelSetBlock(a_RelX - cChunkDef::Width, a_RelY, a_RelZ, a_BlockType, a_BlockMeta);
}
if ((a_RelZ < 0) && (m_NeighborZM != NULL))
{
return m_NeighborZM->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ + cChunkDef::Width, a_BlockType, a_BlockMeta);
}
if ((a_RelZ >= cChunkDef::Width) && (m_NeighborZP != NULL))
{
return m_NeighborZP->UnboundedRelSetBlock(a_RelX, a_RelY, a_RelZ - cChunkDef::Width, a_BlockType, a_BlockMeta);
}
// Neighbors not available, use the chunkmap to locate the chunk:
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_RelY < 0) || (a_RelY > cChunkDef::Height))
{
LOGWARNING("UnboundedRelFastSetBlock(): requesting a block with a_RelY out of range: %d", a_RelY);
return false;
}
// Is it in this chunk?
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;
}
// Not in this chunk, try walking the neighbors first:
if ((a_RelX < 0) && (m_NeighborXM != NULL))
{
return m_NeighborXM->UnboundedRelFastSetBlock(a_RelX + cChunkDef::Width, a_RelY, a_RelZ, a_BlockType, a_BlockMeta);
}
if ((a_RelX >= cChunkDef::Width) && (m_NeighborXP != NULL))
{
return m_NeighborXP->UnboundedRelFastSetBlock(a_RelX - cChunkDef::Width, a_RelY, a_RelZ, a_BlockType, a_BlockMeta);
}
if ((a_RelZ < 0) && (m_NeighborZM != NULL))
{
return m_NeighborZM->UnboundedRelFastSetBlock(a_RelX, a_RelY, a_RelZ + cChunkDef::Width, a_BlockType, a_BlockMeta);
}
if ((a_RelZ >= cChunkDef::Width) && (m_NeighborZP != NULL))
{
return m_NeighborZP->UnboundedRelFastSetBlock(a_RelX, a_RelY, a_RelZ - cChunkDef::Width, a_BlockType, a_BlockMeta);
}
// Neighbors not available, use the chunkmap to locate the chunk:
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_DISPENSER:
{
if (!HasBlockEntityAt(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width))
{
m_BlockEntities.push_back( new cDispenserEntity( 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;
}
case E_BLOCK_JUKEBOX:
{
if (!HasBlockEntityAt(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width))
{
m_BlockEntities.push_back(new cJukeboxEntity(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(index);
CheckNeighbors(a_RelX, a_RelY, a_RelZ);
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_DISPENSER:
{
AddBlockEntity( new cDispenserEntity( 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;
}
case E_BLOCK_JUKEBOX:
{
AddBlockEntity(new cJukeboxEntity(WorldPos.x, WorldPos.y, WorldPos.z, m_World));
break;
}
} // switch (a_BlockType)
}
void cChunk::CheckNeighbors(int a_RelX, int a_RelY, int a_RelZ)
{
int BlockX = m_PosX * cChunkDef::Width + a_RelX;
int BlockZ = m_PosZ * cChunkDef::Width + a_RelZ;
if (a_RelX < cChunkDef::Width - 1)
{
m_ToTickBlocks.push_back(MakeIndexNoCheck(a_RelX + 1, a_RelY, a_RelZ));
}
else
{
m_ChunkMap->CheckBlock(BlockX + 1, a_RelY, BlockZ);
}
if (a_RelX > 0)
{
m_ToTickBlocks.push_back( MakeIndexNoCheck(a_RelX - 1, a_RelY, a_RelZ));
}
else
{
m_ChunkMap->CheckBlock(BlockX - 1, a_RelY, BlockZ);
}
if (a_RelY < cChunkDef::Height - 1)
{
m_ToTickBlocks.push_back(MakeIndexNoCheck(a_RelX, a_RelY + 1, a_RelZ));
}
if (a_RelY > 0)
{
m_ToTickBlocks.push_back(MakeIndexNoCheck(a_RelX, a_RelY - 1, a_RelZ));
}
if (a_RelZ < cChunkDef::Width - 1)
{
m_ToTickBlocks.push_back(MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ + 1));
}
else
{
m_ChunkMap->CheckBlock(BlockX, a_RelY, BlockZ + 1);
}
if (a_RelZ > 0)
{
m_ToTickBlocks.push_back(MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ - 1));
}
else
{
m_ChunkMap->CheckBlock(BlockX, a_RelY, BlockZ - 1);
}
}
void cChunk::CheckBlock(int a_RelX, int a_RelY, int a_RelZ)
{
if (!IsValid())
{
return;
}
m_ToTickBlocks.push_back(MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ));
}
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)
{
// The coords must be valid, because the upper level already does chunk lookup. No need to check them again.
// There's an debug-time assert in MakeIndexNoCheck anyway
unsigned int index = MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ);
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));
// FS #268 - if a BlockEntity digging is cancelled by a plugin, the entire block entity must be re-sent to the client:
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(), end = m_BlockEntities.end(); itr != end; ++itr)
{
if (((*itr)->GetPosX() == wp.x) && ((*itr)->GetPosY() == wp.y) && ((*itr)->GetPosZ() == wp.z))
{
(*itr)->SendTo(*a_Client);
}
} // for itr - m_BlockEntities
}
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::GetBlockInfo(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_Meta, NIBBLETYPE & a_SkyLight, NIBBLETYPE & a_BlockLight)
{
int Idx = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ);
a_BlockType = cChunkDef::GetBlock (m_BlockTypes, Idx);
a_Meta = cChunkDef::GetNibble(m_BlockMeta, Idx);
a_SkyLight = cChunkDef::GetNibble(m_BlockSkyLight, Idx);
a_BlockLight = cChunkDef::GetNibble(m_BlockLight, Idx);
}
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::BroadcastSoundParticleEffect(int a_EffectID, int a_SrcX, int a_SrcY, int a_SrcZ, int a_Data, const cClientHandle * a_Exclude)
{
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
{
if (*itr == a_Exclude)
{
continue;
}
(*itr)->SendSoundParticleEffect(a_EffectID, a_SrcX, a_SrcY, a_SrcZ, a_Data);
} // for itr - LoadedByClient[]
}
void cChunk::BroadcastBlockBreakAnimation(int a_entityID, int a_blockX, int a_blockY, int a_blockZ, char a_stage, const cClientHandle * a_Exclude)
{
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
{
if (*itr == a_Exclude)
{
continue;
}
(*itr)->SendBlockBreakAnim(a_entityID, a_blockX, a_blockY, a_blockZ, a_stage);
} // for itr - LoadedByClient[]
}
void cChunk::BroadcastUseBed(const cEntity & a_Entity, int a_BlockX, int a_BlockY, int a_BlockZ )
{
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
{
(*itr)->SendUseBed(a_Entity, a_BlockX, a_BlockY, a_BlockZ);
} // 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
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