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cuberite-2a/source/Chunk.cpp
madmaxoft@gmail.com 01b24d73ea Player can sit in minecarts (but not move them yet) 
git-svn-id: http://mc-server.googlecode.com/svn/trunk@1249 0a769ca7-a7f5-676a-18bf-c427514a06d6
2013-03-03 19:05:11 +00:00

2280 lines
53 KiB
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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 "Simulator/FluidSimulator.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)
, m_WaterSimulatorData(a_World->GetWaterSimulator()->CreateChunkData())
, m_LavaSimulatorData (a_World->GetLavaSimulator ()->CreateChunkData())
{
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()
{
cPluginManager::Get()->CallHookChunkUnloaded(m_World, m_PosX, m_PosZ);
// 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)->IsPlayer())
{
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;
}
delete m_WaterSimulatorData;
delete m_LavaSimulatorData;
}
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();
// Wake up all simulators for their respective blocks:
WakeUpSimulators();
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();
// Tick simulators:
m_World->GetSimulatorManager()->SimulateChunk(a_Dt, m_PosX, m_PosZ, this);
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;
}
}
// Tick block entities (dispensers)
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
{
if ((*itr)->GetBlockType() == E_BLOCK_DISPENSER)
{
m_IsDirty = ((cDispenserEntity *)(*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);
if (m_ToTickBlocks.size() == 0)
{
return;
}
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::WakeUpSimulators(void)
{
cSimulator * WaterSimulator = m_World->GetWaterSimulator();
cSimulator * LavaSimulator = m_World->GetLavaSimulator();
int BaseX = m_PosX * cChunkDef::Width;
int BaseZ = m_PosZ * cChunkDef::Width;
for (int x = 0; x < Width; x++)
{
int BlockX = x + BaseX;
for (int z = 0; z < Width; z++)
{
int BlockZ = z + BaseZ;
for (int y = GetHeight(x, z); y >= 0; y--)
{
switch (cChunkDef::GetBlock(m_BlockTypes, x, y, z))
{
case E_BLOCK_WATER:
{
WaterSimulator->AddBlock(BlockX, y, BlockZ, this);
break;
}
case E_BLOCK_LAVA:
{
LavaSimulator->AddBlock(BlockX, y, BlockZ, this);
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);
QueueTickBlockNeighbors(a_RelX, a_RelY, a_RelZ);
Vector3i WorldPos = PositionToWorldPosition(a_RelX, a_RelY, a_RelZ);
cBlockEntity * BlockEntity = GetBlockEntity(WorldPos);
if (BlockEntity != NULL)
{
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::QueueTickBlock(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::QueueTickBlockNeighbors(int a_RelX, int a_RelY, int a_RelZ)
{
struct
{
int x, y, z;
}
Coords[] =
{
{ 1, 0, 0},
{-1, 0, 0},
{ 0, 1, 0},
{ 0, -1, 0},
{ 0, 0, 1},
{ 0, 0, -1},
} ;
for (int i = 0; i < ARRAYCOUNT(Coords); i++)
{
cChunk * ch = GetRelNeighborChunk(a_RelX + Coords[i].x, a_RelZ + Coords[i].z);
if (ch != NULL)
{
ch->QueueTickBlock(a_RelX + Coords[i].x, a_RelY + Coords[i].y, a_RelZ + Coords[i].z);
}
} // for i - Coords[]
}
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_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 *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)->IsPickup())
{
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->IsPlayer())
{
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->IsPlayer())
{
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::ForEachDispenser(cDispenserCallback & 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_DISPENSER)
{
continue;
}
if (a_Callback.Item((cDispenserEntity *)*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::DoWithDispenserAt(int a_BlockX, int a_BlockY, int a_BlockZ, cDispenserCallback & 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_DISPENSER)
{
// 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((cDispenserEntity *)*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);
}
cChunk * cChunk::GetNeighborChunk(int a_BlockX, int a_BlockZ)
{
// Convert coords to relative, then call the relative version:
a_BlockX -= m_PosX * cChunkDef::Width;
a_BlockZ -= m_PosZ * cChunkDef::Width;
return GetRelNeighborChunk(a_BlockX, a_BlockZ);
}
cChunk * cChunk::GetRelNeighborChunk(int a_RelX, int a_RelZ)
{
bool ReturnThis = true;
if (a_RelX < 0)
{
if (m_NeighborXM != NULL)
{
cChunk * Candidate = m_NeighborXM->GetRelNeighborChunk(a_RelX + cChunkDef::Width, a_RelZ);
if (Candidate != NULL)
{
return Candidate;
}
}
// Going X first failed, but if the request is crossing Z as well, let's try the Z first later on.
ReturnThis = false;
}
else if (a_RelX >= cChunkDef::Width)
{
if (m_NeighborXP != NULL)
{
cChunk * Candidate = m_NeighborXP->GetRelNeighborChunk(a_RelX - cChunkDef::Width, a_RelZ);
if (Candidate != NULL)
{
return Candidate;
}
}
// Going X first failed, but if the request is crossing Z as well, let's try the Z first later on.
ReturnThis = false;
}
if (a_RelZ < 0)
{
if (m_NeighborZM != NULL)
{
return m_NeighborZM->GetRelNeighborChunk(a_RelX, a_RelZ + cChunkDef::Width);
// For requests crossing both X and Z, the X-first way has been already tried
}
return NULL;
}
else if (a_RelZ >= cChunkDef::Width)
{
if (m_NeighborZP != NULL)
{
return m_NeighborZP->GetRelNeighborChunk(a_RelX, a_RelZ - cChunkDef::Width);
// For requests crossing both X and Z, the X-first way has been already tried
}
return NULL;
}
return (ReturnThis ? this : NULL);
}
void cChunk::BroadcastAttachEntity(const cEntity & a_Entity, const cEntity * a_Vehicle)
{
for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
{
(*itr)->SendAttachEntity(a_Entity, a_Vehicle);
} // for itr - LoadedByClient[]
}
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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