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cuberite-2a/src/Chunk.cpp
madmaxoft 2423fbf2ef Normalized comments. 
This was mostly done automatically and then visually inspected for obvious errors.
All //-style comments should have a 2-space separation from the code, and 1 space after the comment sign.
2014-07-17 22:15:34 +02:00

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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/zlib.h"
#include "Defines.h"
#include "BlockEntities/ChestEntity.h"
#include "BlockEntities/DispenserEntity.h"
#include "BlockEntities/DropperEntity.h"
#include "BlockEntities/FurnaceEntity.h"
#include "BlockEntities/HopperEntity.h"
#include "BlockEntities/JukeboxEntity.h"
#include "BlockEntities/NoteEntity.h"
#include "BlockEntities/SignEntity.h"
#include "BlockEntities/MobHeadEntity.h"
#include "BlockEntities/FlowerPotEntity.h"
#include "Entities/Pickup.h"
#include "Item.h"
#include "Noise.h"
#include "Root.h"
#include "MersenneTwister.h"
#include "Entities/Player.h"
#include "BlockArea.h"
#include "Bindings/PluginManager.h"
#include "Blocks/BlockHandler.h"
#include "Simulator/FluidSimulator.h"
#include "MobCensus.h"
#include "MobSpawner.h"
#include "BlockInServerPluginInterface.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,
cAllocationPool<cChunkData::sChunkSection> & a_Pool
) :
m_IsValid(false),
m_IsLightValid(false),
m_IsDirty(false),
m_IsSaving(false),
m_HasLoadFailed(false),
m_StayCount(0),
m_PosX(a_ChunkX),
m_PosY(a_ChunkY),
m_PosZ(a_ChunkZ),
m_World(a_World),
m_ChunkMap(a_ChunkMap),
m_ChunkData(a_Pool),
m_BlockTickX(0),
m_BlockTickY(0),
m_BlockTickZ(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()),
m_AlwaysTicked(0)
{
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;
std::swap(Entities, m_Entities); // Need another list because cEntity destructors check if they've been removed from chunk
for (cEntityList::const_iterator itr = Entities.begin(); itr != Entities.end(); ++itr)
{
if (!(*itr)->IsPlayer())
{
(*itr)->Destroy(false);
delete *itr;
}
}
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;
m_WaterSimulatorData = NULL;
delete m_LavaSimulatorData;
m_LavaSimulatorData = 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.LightIsValid(m_IsLightValid);
a_Callback.ChunkData(m_ChunkData);
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,
cBlockEntityList & a_BlockEntities
)
{
memcpy(m_BiomeMap, a_BiomeMap, sizeof(m_BiomeMap));
if (a_HeightMap != NULL)
{
memcpy(m_HeightMap, a_HeightMap, sizeof(m_HeightMap));
}
if (a_HeightMap == NULL)
{
CalculateHeightmap(a_BlockTypes);
}
m_ChunkData.SetBlockTypes(a_BlockTypes);
m_ChunkData.SetMetas(a_BlockMeta);
m_ChunkData.SetBlockLight(a_BlockLight);
m_ChunkData.SetSkyLight(a_BlockSkyLight);
m_IsLightValid = (a_BlockLight != NULL) && (a_BlockSkyLight != NULL);
// 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);
// Set all block entities' World variable:
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
{
(*itr)->SetWorld(m_World);
}
// Create block entities that the loader didn't load; fill them with defaults
CreateBlockEntities();
// Set the chunk data as valid. This may be needed for some simulators that perform actions upon block adding (Vaporize)
SetValid();
// 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 :)
m_ChunkData.SetBlockLight(a_BlockLight);
m_ChunkData.SetSkyLight(a_SkyLight);
m_IsLightValid = true;
}
void cChunk::GetBlockTypes(BLOCKTYPE * a_BlockTypes)
{
m_ChunkData.CopyBlockTypes(a_BlockTypes);
}
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;
}
void cChunk::Stay(bool a_Stay)
{
m_StayCount += (a_Stay ? 1 : -1);
ASSERT(m_StayCount >= 0);
}
void cChunk::CollectMobCensus(cMobCensus& toFill)
{
toFill.CollectSpawnableChunk(*this);
std::list<const Vector3d*> playerPositions;
cPlayer* currentPlayer;
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(), end = m_LoadedByClient.end(); itr != end; ++itr)
{
currentPlayer = (*itr)->GetPlayer();
playerPositions.push_back(&(currentPlayer->GetPosition()));
}
Vector3d currentPosition;
for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr)
{
// LOGD("Counting entity #%i (%s)", (*itr)->GetUniqueID(), (*itr)->GetClass());
if ((*itr)->IsMob())
{
cMonster& Monster = (cMonster&)(**itr);
currentPosition = Monster.GetPosition();
for (std::list<const Vector3d*>::const_iterator itr2 = playerPositions.begin(); itr2 != playerPositions.end(); ++itr2)
{
toFill.CollectMob(Monster,*this,(currentPosition-**itr2).SqrLength());
}
}
} // for itr - m_Entitites[]
}
void cChunk::GetThreeRandomNumbers(int & a_X, int & a_Y, int & a_Z,int a_MaxX, int a_MaxY, int a_MaxZ)
{
ASSERT(a_MaxX * a_MaxY * a_MaxZ * 8 < 0x00ffffff);
int Random = m_World->GetTickRandomNumber(0x00ffffff);
a_X = Random % (a_MaxX * 2);
a_Y = (Random / (a_MaxX * 2)) % (a_MaxY * 2);
a_Z = ((Random / (a_MaxX * 2)) / (a_MaxY * 2)) % (a_MaxZ * 2);
a_X /= 2;
a_Y /= 2;
a_Z /= 2;
}
void cChunk::GetRandomBlockCoords(int & a_X, int & a_Y, int & a_Z)
{
// MG TODO : check if this kind of optimization (only one random call) is still needed
// MG TODO : if so propagate it
GetThreeRandomNumbers(a_X, a_Y, a_Z, Width, Height - 2, Width);
a_Y++;
}
void cChunk::SpawnMobs(cMobSpawner& a_MobSpawner)
{
int CenterX, CenterY, CenterZ;
GetRandomBlockCoords(CenterX, CenterY, CenterZ);
BLOCKTYPE PackCenterBlock = GetBlock(CenterX, CenterY, CenterZ);
if (!a_MobSpawner.CheckPackCenter(PackCenterBlock))
{
return;
}
a_MobSpawner.NewPack();
int NumberOfTries = 0;
int NumberOfSuccess = 0;
int MaxNbOfSuccess = 4; // This can be changed during the process for Wolves and Ghasts
while ((NumberOfTries < 12) && (NumberOfSuccess < MaxNbOfSuccess))
{
const int HorizontalRange = 20; // MG TODO : relocate
const int VerticalRange = 0; // MG TODO : relocate
int TryX, TryY, TryZ;
GetThreeRandomNumbers(TryX, TryY, TryZ, 2 * HorizontalRange + 1, 2 * VerticalRange + 1, 2 * HorizontalRange + 1);
TryX -= HorizontalRange;
TryY -= VerticalRange;
TryZ -= HorizontalRange;
TryX += CenterX;
TryY += CenterY;
TryZ += CenterZ;
ASSERT(TryY > 0);
ASSERT(TryY < cChunkDef::Height - 1);
EMCSBiome Biome = m_ChunkMap->GetBiomeAt(TryX, TryZ);
// MG TODO :
// Moon cycle (for slime)
// check player and playerspawn presence < 24 blocks
// check mobs presence on the block
// MG TODO : check that "Level" really means Y
/*
NIBBLETYPE SkyLight = 0;
NIBBLETYPE BlockLight = 0;
*/
NumberOfTries++;
if (!IsLightValid())
{
continue;
}
cEntity * newMob = a_MobSpawner.TryToSpawnHere(this, TryX, TryY, TryZ, Biome, MaxNbOfSuccess);
if (newMob == NULL)
{
continue;
}
int WorldX, WorldY, WorldZ;
PositionToWorldPosition(TryX, TryY, TryZ, WorldX, WorldY, WorldZ);
double ActualX = WorldX + 0.5;
double ActualZ = WorldZ + 0.5;
newMob->SetPosition(ActualX, WorldY, ActualZ);
LOGD("Spawning %s #%i at {%d, %d, %d}", newMob->GetClass(), newMob->GetUniqueID(), WorldX, WorldY, WorldZ);
NumberOfSuccess++;
} // while (retry)
}
void cChunk::Tick(float a_Dt)
{
BroadcastPendingBlockChanges();
// Set all blocks that have been queued for setting later:
ProcessQueuedSetBlocks();
CheckBlocks();
// Tick simulators:
m_World->GetSimulatorManager()->SimulateChunk(a_Dt, m_PosX, m_PosZ, this);
TickBlocks();
// Tick all block entities in this chunk:
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
{
m_IsDirty = (*itr)->Tick(a_Dt, *this) | m_IsDirty;
}
// Tick all entities in this chunk (except mobs):
for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr)
{
// Mobs are tickes inside MobTick (as we don't have to tick them if they are far away from players)
if (!((*itr)->IsMob()))
{
(*itr)->Tick(a_Dt, *this);
}
} // for itr - m_Entitites[]
// Remove all entities that were scheduled for removal:
for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end();)
{
if ((*itr)->IsDestroyed())
{
LOGD("Destroying entity #%i (%s)", (*itr)->GetUniqueID(), (*itr)->GetClass());
cEntity * ToDelete = *itr;
itr = m_Entities.erase(itr);
delete ToDelete;
ToDelete = NULL;
continue;
}
++itr;
} // for itr - m_Entitites[]
// If any entity moved out of the chunk, move it to the neighbor:
for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end();)
{
if (
((*itr)->GetChunkX() != m_PosX) ||
((*itr)->GetChunkZ() != m_PosZ)
)
{
MoveEntityToNewChunk(*itr);
itr = m_Entities.erase(itr);
}
else
{
++itr;
}
}
ApplyWeatherToTop();
}
void cChunk::TickBlock(int a_RelX, int a_RelY, int a_RelZ)
{
cBlockHandler * Handler = BlockHandler(GetBlock(a_RelX, a_RelY, a_RelZ));
ASSERT(Handler != NULL); // Happenned on server restart, FS #243
cChunkInterface ChunkInterface(this->GetWorld()->GetChunkMap());
cBlockInServerPluginInterface PluginInterface(*this->GetWorld());
Handler->OnUpdate(ChunkInterface, *this->GetWorld(), PluginInterface,*this, a_RelX, a_RelY, a_RelZ);
}
void cChunk::MoveEntityToNewChunk(cEntity * a_Entity)
{
cChunk * Neighbor = GetNeighborChunk(a_Entity->GetChunkX() * cChunkDef::Width, a_Entity->GetChunkZ() * cChunkDef::Width);
if (Neighbor == NULL)
{
Neighbor = m_ChunkMap->GetChunkNoLoad(a_Entity->GetChunkX(), ZERO_CHUNK_Y, a_Entity->GetChunkZ());
if (Neighbor == NULL)
{
// TODO: What to do with this?
LOGWARNING("%s: Failed to move entity, destination chunk unreachable. Entity lost", __FUNCTION__);
return;
}
}
ASSERT(Neighbor != this); // Moving into the same chunk? wtf?
Neighbor->AddEntity(a_Entity);
class cMover :
public cClientDiffCallback
{
virtual void Removed(cClientHandle * a_Client) override
{
a_Client->SendDestroyEntity(*m_Entity);
}
virtual void Added(cClientHandle * a_Client) override
{
m_Entity->SpawnOn(*a_Client);
}
cEntity * m_Entity;
public:
cMover(cEntity * a_Entity) :
m_Entity(a_Entity)
{}
} Mover(a_Entity);
m_ChunkMap->CompareChunkClients(this, Neighbor, Mover);
}
void cChunk::ProcessQueuedSetBlocks(void)
{
Int64 CurrTick = m_World->GetWorldAge();
for (sSetBlockQueueVector::iterator itr = m_SetBlockQueue.begin(); itr != m_SetBlockQueue.end();)
{
if (itr->m_Tick <= CurrTick)
{
if (itr->m_PreviousType != E_BLOCK_AIR) // PreviousType defaults to 0 if not specified
{
if (GetBlock(itr->m_RelX, itr->m_RelY, itr->m_RelZ) == itr->m_PreviousType)
{
// Current world age is bigger than/equal to target world age - delay time reached AND
// Previous block type was the same as current block type (to prevent duplication)
SetBlock(itr->m_RelX, itr->m_RelY, itr->m_RelZ, itr->m_BlockType, itr->m_BlockMeta); // SetMeta doesn't send to client
itr = m_SetBlockQueue.erase(itr);
LOGD("Successfully set queued block - previous and current types matched");
}
else
{
itr = m_SetBlockQueue.erase(itr);
LOGD("Failure setting queued block - previous and current blocktypes didn't match");
}
}
else
{
// Current world age is bigger than/equal to target world age - delay time reached
SetBlock(itr->m_RelX, itr->m_RelY, itr->m_RelZ, itr->m_BlockType, itr->m_BlockMeta);
itr = m_SetBlockQueue.erase(itr);
LOGD("Successfully set queued block - previous type ignored");
}
}
else
{
// Not yet
++itr;
continue;
}
} // for itr - m_SetBlockQueue[]
}
void cChunk::BroadcastPendingBlockChanges(void)
{
if (m_PendingSendBlocks.empty())
{
return;
}
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(), end = m_LoadedByClient.end(); itr != end; ++itr)
{
(*itr)->SendBlockChanges(m_PosX, m_PosZ, m_PendingSendBlocks);
}
m_PendingSendBlocks.clear();
}
void cChunk::CheckBlocks()
{
if (m_ToTickBlocks.empty())
{
return;
}
std::vector<Vector3i> ToTickBlocks;
std::swap(m_ToTickBlocks, ToTickBlocks);
cChunkInterface ChunkInterface(m_World->GetChunkMap());
cBlockInServerPluginInterface PluginInterface(*m_World);
for (std::vector<Vector3i>::const_iterator itr = ToTickBlocks.begin(), end = ToTickBlocks.end(); itr != end; ++itr)
{
Vector3i Pos = (*itr);
cBlockHandler * Handler = BlockHandler(GetBlock(Pos));
Handler->Check(ChunkInterface, PluginInterface, Pos.x, Pos.y, Pos.z, *this);
} // for itr - ToTickBlocks[]
}
void cChunk::TickBlocks(void)
{
// 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 = m_World->GetTickRandomNumber(0x00ffffff);
int RandomY = m_World->GetTickRandomNumber(0x00ffffff);
int RandomZ = m_World->GetTickRandomNumber(0x00ffffff);
int TickX = m_BlockTickX;
int TickY = m_BlockTickY;
int TickZ = m_BlockTickZ;
cChunkInterface ChunkInterface(this->GetWorld()->GetChunkMap());
cBlockInServerPluginInterface PluginInterface(*this->GetWorld());
// 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
}
cBlockHandler * Handler = BlockHandler(GetBlock(m_BlockTickX, m_BlockTickY, m_BlockTickZ));
ASSERT(Handler != NULL); // Happenned on server restart, FS #243
Handler->OnUpdate(ChunkInterface, *this->GetWorld(), PluginInterface, *this, m_BlockTickX, m_BlockTickY, m_BlockTickZ);
} // for i - tickblocks
}
void cChunk::ApplyWeatherToTop()
{
if (
(m_World->GetTickRandomNumber(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 = m_World->GetTickRandomNumber(15);
int Z = m_World->GetTickRandomNumber(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 (cBlockInfo::IsSnowable(TopBlock) && (Height + 1 < cChunkDef::Height))
{
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
default:
{
break;
}
} // 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:
{
// DEBUG: This is here to catch FS #349 - melons growing over other crops.
LOG("Growing melon/pumpkin overwriting %s, growing on %s",
ItemTypeToString(BlockType[CheckType]).c_str(),
ItemTypeToString(Soil).c_str()
);
// 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) const
{
if ((a_RelY < 0) || (a_RelY >= cChunkDef::Height))
{
LOGWARNING("%s: requesting a block with a_RelY out of range: %d", __FUNCTION__, a_RelY);
return false;
}
cChunk * Chunk = GetRelNeighborChunkAdjustCoords(a_RelX, a_RelZ);
if ((Chunk == NULL) || !Chunk->IsValid())
{
// The chunk is not available, bail out
return false;
}
Chunk->GetBlockTypeMeta(a_RelX, a_RelY, a_RelZ, a_BlockType, a_BlockMeta);
return true;
}
bool cChunk::UnboundedRelGetBlockType(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType) const
{
if ((a_RelY < 0) || (a_RelY >= cChunkDef::Height))
{
LOGWARNING("%s: requesting a block with a_RelY out of range: %d", __FUNCTION__, a_RelY);
return false;
}
cChunk * Chunk = GetRelNeighborChunkAdjustCoords(a_RelX, a_RelZ);
if ((Chunk == NULL) || !Chunk->IsValid())
{
// The chunk is not available, bail out
return false;
}
a_BlockType = Chunk->GetBlock(a_RelX, a_RelY, a_RelZ);
return true;
}
bool cChunk::UnboundedRelGetBlockMeta(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE & a_BlockMeta) const
{
if ((a_RelY < 0) || (a_RelY >= cChunkDef::Height))
{
LOGWARNING("%s: requesting a block with a_RelY out of range: %d", __FUNCTION__, a_RelY);
return false;
}
cChunk * Chunk = GetRelNeighborChunkAdjustCoords(a_RelX, a_RelZ);
if ((Chunk == NULL) || !Chunk->IsValid())
{
// The chunk is not available, bail out
return false;
}
a_BlockMeta = Chunk->GetMeta(a_RelX, a_RelY, a_RelZ);
return true;
}
bool cChunk::UnboundedRelGetBlockBlockLight(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE & a_BlockBlockLight) const
{
if ((a_RelY < 0) || (a_RelY >= cChunkDef::Height))
{
LOGWARNING("%s: requesting a block with a_RelY out of range: %d", __FUNCTION__, a_RelY);
return false;
}
cChunk * Chunk = GetRelNeighborChunkAdjustCoords(a_RelX, a_RelZ);
if ((Chunk == NULL) || !Chunk->IsValid())
{
// The chunk is not available, bail out
return false;
}
a_BlockBlockLight = Chunk->GetBlockLight(a_RelX, a_RelY, a_RelZ);
return true;
}
bool cChunk::UnboundedRelGetBlockSkyLight(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE & a_BlockSkyLight) const
{
if ((a_RelY < 0) || (a_RelY >= cChunkDef::Height))
{
LOGWARNING("%s: requesting a block with a_RelY out of range: %d", __FUNCTION__, a_RelY);
return false;
}
cChunk * Chunk = GetRelNeighborChunkAdjustCoords(a_RelX, a_RelZ);
if ((Chunk == NULL) || !Chunk->IsValid())
{
// The chunk is not available, bail out
return false;
}
a_BlockSkyLight = Chunk->GetSkyLight(a_RelX, a_RelY, a_RelZ);
return true;
}
bool cChunk::UnboundedRelGetBlockLights(int a_RelX, int a_RelY, int a_RelZ, NIBBLETYPE & a_BlockLight, NIBBLETYPE & a_SkyLight) const
{
if ((a_RelY < 0) || (a_RelY >= cChunkDef::Height))
{
LOGWARNING("%s: requesting a block with a_RelY out of range: %d", __FUNCTION__, a_RelY);
return false;
}
cChunk * Chunk = GetRelNeighborChunkAdjustCoords(a_RelX, a_RelZ);
if ((Chunk == NULL) || !Chunk->IsValid())
{
// The chunk is not available, bail out
return false;
}
a_BlockLight = Chunk->GetBlockLight(a_RelX, a_RelY, a_RelZ);
a_SkyLight = Chunk->GetSkyLight(a_RelX, a_RelY, a_RelZ);
return true;
}
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;
}
cChunk * Chunk = GetRelNeighborChunkAdjustCoords(a_RelX, a_RelZ);
if ((Chunk == NULL) || !Chunk->IsValid())
{
// The chunk is not available, bail out
return false;
}
Chunk->SetBlock(a_RelX, a_RelY, a_RelZ, a_BlockType, a_BlockMeta);
return true;
}
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;
}
cChunk * Chunk = GetRelNeighborChunkAdjustCoords(a_RelX, a_RelZ);
if ((Chunk == NULL) || !Chunk->IsValid())
{
// The chunk is not available, bail out
return false;
}
Chunk->FastSetBlock(a_RelX, a_RelY, a_RelZ, a_BlockType, a_BlockMeta);
return true;
}
void cChunk::UnboundedQueueTickBlock(int a_RelX, int a_RelY, int a_RelZ)
{
if ((a_RelY < 0) || (a_RelY >= cChunkDef::Height))
{
// Outside of chunkmap
return;
}
cChunk * Chunk = GetRelNeighborChunkAdjustCoords(a_RelX, a_RelZ);
if ((Chunk != NULL) && Chunk->IsValid())
{
Chunk->QueueTickBlock(a_RelX, a_RelY, a_RelZ);
}
}
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++)
{
BLOCKTYPE BlockType = GetBlock(x, y, z);
switch (BlockType)
{
case E_BLOCK_BEACON:
case E_BLOCK_TRAPPED_CHEST:
case E_BLOCK_CHEST:
case E_BLOCK_COMMAND_BLOCK:
case E_BLOCK_DISPENSER:
case E_BLOCK_DROPPER:
case E_BLOCK_ENDER_CHEST:
case E_BLOCK_LIT_FURNACE:
case E_BLOCK_FURNACE:
case E_BLOCK_HOPPER:
case E_BLOCK_SIGN_POST:
case E_BLOCK_WALLSIGN:
case E_BLOCK_HEAD:
case E_BLOCK_NOTE_BLOCK:
case E_BLOCK_JUKEBOX:
case E_BLOCK_FLOWER_POT:
{
if (!HasBlockEntityAt(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width))
{
m_BlockEntities.push_back(cBlockEntity::CreateByBlockType(
BlockType, GetMeta(x, y, z),
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();
cSimulator * RedstoneSimulator = m_World->GetRedstoneSimulator();
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--)
{
BLOCKTYPE Block = GetBlock(x, y, z);
// The redstone sim takes multiple blocks, use the inbuilt checker
if (RedstoneSimulator->IsAllowedBlock(Block))
{
RedstoneSimulator->AddBlock(BlockX, y, BlockZ, this);
continue;
}
switch (Block)
{
case E_BLOCK_WATER:
{
WaterSimulator->AddBlock(BlockX, y, BlockZ, this);
break;
}
case E_BLOCK_LAVA:
{
LavaSimulator->AddBlock(BlockX, y, BlockZ, this);
break;
}
default:
{
break;
}
} // switch (BlockType)
} // for y
} // for z
} // for x
}
void cChunk::CalculateHeightmap(const BLOCKTYPE * a_BlockTypes)
{
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 (a_BlockTypes[index] != E_BLOCK_AIR)
{
m_HeightMap[x + z * Width] = (HEIGHTTYPE)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, bool a_SendToClients)
{
FastSetBlock(a_RelX, a_RelY, a_RelZ, a_BlockType, a_BlockMeta, a_SendToClients);
// Tick this block and its neighbors:
m_ToTickBlocks.push_back(Vector3i(a_RelX, a_RelY, a_RelZ));
QueueTickBlockNeighbors(a_RelX, a_RelY, a_RelZ);
// If there was a block entity, remove it:
Vector3i WorldPos = PositionToWorldPosition(a_RelX, a_RelY, a_RelZ);
cBlockEntity * BlockEntity = GetBlockEntity(WorldPos);
if (BlockEntity != NULL)
{
BlockEntity->Destroy();
RemoveBlockEntity(BlockEntity);
delete BlockEntity;
BlockEntity = NULL;
}
// If the new block is a block entity, create the entity object:
switch (a_BlockType)
{
case E_BLOCK_BEACON:
case E_BLOCK_TRAPPED_CHEST:
case E_BLOCK_CHEST:
case E_BLOCK_COMMAND_BLOCK:
case E_BLOCK_DISPENSER:
case E_BLOCK_DROPPER:
case E_BLOCK_ENDER_CHEST:
case E_BLOCK_LIT_FURNACE:
case E_BLOCK_FURNACE:
case E_BLOCK_HOPPER:
case E_BLOCK_SIGN_POST:
case E_BLOCK_WALLSIGN:
case E_BLOCK_HEAD:
case E_BLOCK_NOTE_BLOCK:
case E_BLOCK_JUKEBOX:
case E_BLOCK_FLOWER_POT:
{
AddBlockEntity(cBlockEntity::CreateByBlockType(a_BlockType, a_BlockMeta, WorldPos.x, WorldPos.y, WorldPos.z, m_World));
break;
}
} // switch (a_BlockType)
}
void cChunk::QueueSetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, Int64 a_Tick, BLOCKTYPE a_PreviousBlockType)
{
m_SetBlockQueue.push_back(sSetBlockQueueItem(a_RelX, a_RelY, a_RelZ, a_BlockType, a_BlockMeta, a_Tick, a_PreviousBlockType));
}
void cChunk::QueueTickBlock(int a_RelX, int a_RelY, int a_RelZ)
{
ASSERT (
(a_RelX >= 0) && (a_RelX < Width) &&
(a_RelY >= 0) && (a_RelY < Height) &&
(a_RelZ >= 0) && (a_RelZ < Width)
); // Coords need to be valid
if (!IsValid())
{
return;
}
m_ToTickBlocks.push_back(Vector3i(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 (size_t i = 0; i < ARRAYCOUNT(Coords); i++)
{
UnboundedQueueTickBlock(a_RelX + Coords[i].x, a_RelY + Coords[i].y, a_RelZ + Coords[i].z);
} // for i - Coords[]
}
void cChunk::FastSetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, BLOCKTYPE a_BlockMeta, bool a_SendToClients)
{
ASSERT(!((a_RelX < 0) || (a_RelX >= Width) || (a_RelY < 0) || (a_RelY >= Height) || (a_RelZ < 0) || (a_RelZ >= Width)));
ASSERT(IsValid());
const BLOCKTYPE OldBlockType = GetBlock(a_RelX, a_RelY, a_RelZ);
const BLOCKTYPE OldBlockMeta = m_ChunkData.GetMeta(a_RelX, a_RelY, a_RelZ);
if ((OldBlockType == a_BlockType) && (OldBlockMeta == a_BlockMeta))
{
return;
}
MarkDirty();
m_IsRedstoneDirty = true;
m_ChunkData.SetBlock(a_RelX, a_RelY, a_RelZ, a_BlockType);
if ( // Queue block to be sent only if ...
a_SendToClients && // ... we are told to do so AND ...
(
(OldBlockMeta != a_BlockMeta) || // ... the meta value is different OR ...
!( // ... the old and new blocktypes AREN'T liquids (because client doesn't need to distinguish betwixt them); see below for specifics:
((OldBlockType == E_BLOCK_STATIONARY_WATER) && (a_BlockType == E_BLOCK_WATER)) || // Replacing stationary water with water
((OldBlockType == E_BLOCK_WATER) && (a_BlockType == E_BLOCK_STATIONARY_WATER)) || // Replacing water with stationary water
((OldBlockType == E_BLOCK_STATIONARY_LAVA) && (a_BlockType == E_BLOCK_LAVA)) || // Replacing stationary water with water
((OldBlockType == E_BLOCK_LAVA) && (a_BlockType == E_BLOCK_STATIONARY_LAVA)) // Replacing water with stationary water
)
)
)
{
m_PendingSendBlocks.push_back(sSetBlock(m_PosX, m_PosZ, a_RelX, a_RelY, a_RelZ, a_BlockType, a_BlockMeta));
}
m_ChunkData.SetMeta(a_RelX, a_RelY, a_RelZ, a_BlockMeta);
// ONLY recalculate lighting if it's necessary!
if (
(cBlockInfo::GetLightValue (OldBlockType) != cBlockInfo::GetLightValue (a_BlockType)) ||
(cBlockInfo::GetSpreadLightFalloff(OldBlockType) != cBlockInfo::GetSpreadLightFalloff(a_BlockType)) ||
(cBlockInfo::IsTransparent (OldBlockType) != cBlockInfo::IsTransparent (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)
{
m_HeightMap[a_RelX + a_RelZ * Width] = (HEIGHTTYPE)a_RelY;
}
else
{
for (int y = a_RelY - 1; y > 0; --y)
{
if (GetBlock(a_RelX, y, a_RelZ) != E_BLOCK_AIR)
{
m_HeightMap[a_RelX + a_RelZ * Width] = (HEIGHTTYPE)y;
break;
}
} // for y - column in m_BlockData
}
}
}
void cChunk::SendBlockTo(int a_RelX, int a_RelY, int a_RelZ, cClientHandle * a_Client)
{
if (a_Client == NULL)
{
// Queue the block for all clients in the chunk (will be sent in Tick())
m_PendingSendBlocks.push_back(sSetBlock(m_PosX, m_PosZ, a_RelX, a_RelY, a_RelZ, GetBlock(a_RelX, a_RelY, a_RelZ), GetMeta(a_RelX, a_RelY, a_RelZ)));
return;
}
Vector3i wp = PositionToWorldPosition(a_RelX, a_RelY, a_RelZ);
a_Client->SendBlockChange(wp.x, wp.y, wp.z, GetBlock(a_RelX, a_RelY, a_RelZ), GetMeta(a_RelX, a_RelY, a_RelZ));
// 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)
{
MarkDirty();
m_BlockEntities.push_back(a_BlockEntity);
}
cBlockEntity * cChunk::GetBlockEntity(int a_BlockX, int a_BlockY, int a_BlockZ)
{
// Check that the query coords are within chunk bounds:
ASSERT(a_BlockX >= m_PosX * cChunkDef::Width);
ASSERT(a_BlockX < m_PosX * cChunkDef::Width + cChunkDef::Width);
ASSERT(a_BlockZ >= m_PosZ * cChunkDef::Width);
ASSERT(a_BlockZ < m_PosZ * cChunkDef::Width + cChunkDef::Width);
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;
}
bool cChunk::ShouldBeTicked(void) const
{
return (HasAnyClients() || (m_AlwaysTicked > 0));
}
void cChunk::SetAlwaysTicked(bool a_AlwaysTicked)
{
if (a_AlwaysTicked)
{
m_AlwaysTicked += 1;
}
else
{
m_AlwaysTicked -= 1;
}
}
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::SetBiomeAt(int a_RelX, int a_RelZ, EMCSBiome a_Biome)
{
cChunkDef::SetBiome(m_BiomeMap, a_RelX, a_RelZ, a_Biome);
MarkDirty();
}
void cChunk::SetAreaBiome(int a_MinRelX, int a_MaxRelX, int a_MinRelZ, int a_MaxRelZ, EMCSBiome a_Biome)
{
for (int z = a_MinRelZ; z <= a_MaxRelZ; z++)
{
for (int x = a_MinRelX; x <= a_MaxRelX; x++)
{
cChunkDef::SetBiome(m_BiomeMap, x, z, a_Biome);
}
}
MarkDirty();
// Re-send the chunk to all clients:
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr)
{
m_World->ForceSendChunkTo(m_PosX, m_PosZ, (*itr));
} // for itr - m_LoadedByClient[]
}
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()) && (!(*itr)->IsProjectile()))
{
continue; // Only pickups and projectiles can be picked up
}
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
{
/*
LOG("Pickup %d being collected by player \"%s\", distance %f",
(*itr)->GetUniqueID(), a_Player->GetName().c_str(), SqrDist
);
*/
MarkDirty();
if ((*itr)->IsPickup())
{
(reinterpret_cast<cPickup *>(*itr))->CollectedBy(a_Player);
}
else
{
(reinterpret_cast<cProjectileEntity *>(*itr))->CollectedBy(a_Player);
}
}
else if (SqrDist < 5 * 5)
{
/*
LOG("Pickup %d close to player \"%s\", but still too far to collect: %f",
(*itr)->GetUniqueID(), a_Player->GetName().c_str(), SqrDist
);
*/
}
}
}
bool cChunk::SetSignLines(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);
return true;
}
} // for itr - m_BlockEntities[]
return false;
}
void cChunk::RemoveBlockEntity( cBlockEntity* a_BlockEntity )
{
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 )
{
/*
// DEBUG:
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 )
{
/*
// DEBUG:
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) const
{
return !m_LoadedByClient.empty();
}
void cChunk::AddEntity(cEntity * a_Entity)
{
if (!a_Entity->IsPlayer())
{
MarkDirty();
}
ASSERT(std::find(m_Entities.begin(), m_Entities.end(), a_Entity) == m_Entities.end()); // Not there already
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::HasEntity(int a_EntityID)
{
for (cEntityList::const_iterator itr = m_Entities.begin(), end = m_Entities.end(); itr != end; ++itr)
{
if ((*itr)->GetUniqueID() == a_EntityID)
{
return true;
}
} // for itr - m_Entities[]
return false;
}
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::DoWithEntityByID(int a_EntityID, cEntityCallback & a_Callback, bool & a_CallbackResult)
{
// The entity list is locked by the parent chunkmap's CS
for (cEntityList::iterator itr = m_Entities.begin(), end = m_Entities.end(); itr != end; ++itr)
{
if ((*itr)->GetUniqueID() == a_EntityID)
{
a_CallbackResult = a_Callback.Item(*itr);
return true;
}
} // for itr - m_Entitites[]
return false;
}
bool cChunk::ForEachBlockEntity(cBlockEntityCallback & 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 (a_Callback.Item(*itr))
{
return false;
}
} // for itr - m_BlockEntitites[]
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::ForEachDropper(cDropperCallback & 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_DROPPER)
{
continue;
}
if (a_Callback.Item((cDropperEntity *)*itr))
{
return false;
}
} // for itr - m_BlockEntitites[]
return true;
}
bool cChunk::ForEachDropSpenser(cDropSpenserCallback & 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) && ((*itr)->GetBlockType() != E_BLOCK_DROPPER))
{
continue;
}
if (a_Callback.Item((cDropSpenserEntity *)*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::DoWithBlockEntityAt(int a_BlockX, int a_BlockY, int a_BlockZ, cBlockEntityCallback & 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 (a_Callback.Item(*itr))
{
return false;
}
return true;
} // for itr - m_BlockEntitites[]
// Not found:
return false;
}
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) && ((*itr)->GetBlockType() != E_BLOCK_TRAPPED_CHEST)) // Trapped chests use normal chests' handlers
{
// 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::DoWithDropperAt(int a_BlockX, int a_BlockY, int a_BlockZ, cDropperCallback & 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_DROPPER)
{
// 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((cDropperEntity *)*itr))
{
return false;
}
return true;
} // for itr - m_BlockEntitites[]
// Not found:
return false;
}
bool cChunk::DoWithDropSpenserAt(int a_BlockX, int a_BlockY, int a_BlockZ, cDropSpenserCallback & 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) && ((*itr)->GetBlockType() != E_BLOCK_DROPPER))
{
// 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((cDropSpenserEntity *)*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::DoWithNoteBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cNoteBlockCallback & 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_NOTE_BLOCK)
{
// 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((cNoteEntity *)*itr))
{
return false;
}
return true;
} // for itr - m_BlockEntitites[]
// Not found:
return false;
}
bool cChunk::DoWithCommandBlockAt(int a_BlockX, int a_BlockY, int a_BlockZ, cCommandBlockCallback & 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_COMMAND_BLOCK)
{
// 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((cCommandBlockEntity *)*itr))
{
return false;
}
return true;
} // for itr - m_BlockEntitites[]
// Not found:
return false;
}
bool cChunk::DoWithMobHeadAt(int a_BlockX, int a_BlockY, int a_BlockZ, cMobHeadCallback & 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_HEAD)
{
// 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((cMobHeadEntity *)*itr))
{
return false;
}
return true;
} // for itr - m_BlockEntitites[]
// Not found:
return false;
}
bool cChunk::DoWithFlowerPotAt(int a_BlockX, int a_BlockY, int a_BlockZ, cFlowerPotCallback & 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_FLOWER_POT)
{
// 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((cFlowerPotEntity *)*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_RelX, int a_RelY, int a_RelZ) const
{
if (
(a_RelX < 0) || (a_RelX >= Width) ||
(a_RelY < 0) || (a_RelY >= Height) ||
(a_RelZ < 0) || (a_RelZ >= Width)
)
{
ASSERT(!"GetBlock(x, y, z) out of bounds!");
return 0; // Clip
}
return m_ChunkData.GetBlock(a_RelX, a_RelY, a_RelZ);
}
void cChunk::GetBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta)
{
a_BlockType = GetBlock(a_RelX, a_RelY, a_RelZ);
a_BlockMeta = m_ChunkData.GetMeta(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)
{
a_BlockType = GetBlock(a_RelX, a_RelY, a_RelZ);
a_Meta = m_ChunkData.GetMeta(a_RelX, a_RelY, a_RelZ);
a_SkyLight = m_ChunkData.GetSkyLight(a_RelX, a_RelY, a_RelZ);
a_BlockLight = m_ChunkData.GetBlockLight(a_RelX, a_RelY, a_RelZ);
}
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)
{
// If the relative coords are too far away, use the parent's chunk lookup instead:
if ((a_RelX < -128) || (a_RelX > 128) || (a_RelZ < -128) || (a_RelZ > 128))
{
int BlockX = m_PosX * cChunkDef::Width + a_RelX;
int BlockZ = m_PosZ * cChunkDef::Width + a_RelZ;
int ChunkX, ChunkZ;
BlockToChunk(BlockX, BlockZ, ChunkX, ChunkZ);
return m_ChunkMap->GetChunkNoLoad(ChunkX, ZERO_CHUNK_Y, ChunkZ);
}
// Walk the neighbors:
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);
}
cChunk * cChunk::GetRelNeighborChunkAdjustCoords(int & a_RelX, int & a_RelZ) const
{
cChunk * ToReturn = const_cast<cChunk *>(this);
// The most common case: inside this chunk:
if (
(a_RelX >= 0) && (a_RelX < Width) &&
(a_RelZ >= 0) && (a_RelZ < Width)
)
{
return ToReturn;
}
// Request for a different chunk, calculate chunk offset:
int RelX = a_RelX; // Make a local copy of the coords (faster access)
int RelZ = a_RelZ;
while ((RelX >= Width) && (ToReturn != NULL))
{
RelX -= Width;
ToReturn = ToReturn->m_NeighborXP;
}
while ((RelX < 0) && (ToReturn != NULL))
{
RelX += Width;
ToReturn = ToReturn->m_NeighborXM;
}
while ((RelZ >= Width) && (ToReturn != NULL))
{
RelZ -= Width;
ToReturn = ToReturn->m_NeighborZP;
}
while ((RelZ < 0) && (ToReturn != NULL))
{
RelZ += Width;
ToReturn = ToReturn->m_NeighborZM;
}
if (ToReturn != NULL)
{
a_RelX = RelX;
a_RelZ = RelZ;
return ToReturn;
}
// The chunk cannot be walked through neighbors, find it through the chunkmap:
int AbsX = a_RelX + m_PosX * Width;
int AbsZ = a_RelZ + m_PosZ * Width;
int DstChunkX, DstChunkZ;
BlockToChunk(AbsX, AbsZ, DstChunkX, DstChunkZ);
ToReturn = m_ChunkMap->FindChunk(DstChunkX, DstChunkZ);
a_RelX = AbsX - DstChunkX * Width;
a_RelZ = AbsZ - DstChunkZ * Width;
return ToReturn;
}
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::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::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::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::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::BroadcastCollectEntity(const cEntity & a_Entity, 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)->SendCollectEntity(a_Entity, a_Player);
} // 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::BroadcastEntityEffect(const cEntity & a_Entity, int a_EffectID, int a_Amplifier, short a_Duration, const cClientHandle * a_Exclude)
{
for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
{
if (*itr == a_Exclude)
{
continue;
}
(*itr)->SendEntityEffect(a_Entity, a_EffectID, a_Amplifier, a_Duration);
} // 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::BroadcastEntityHeadLook(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)->SendEntityHeadLook(a_Entity);
} // for itr - LoadedByClient[]
}
void cChunk::BroadcastEntityLook(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)->SendEntityLook(a_Entity);
} // for itr - LoadedByClient[]
}
void cChunk::BroadcastEntityMetadata(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)->SendEntityMetadata(a_Entity);
} // for itr - LoadedByClient[]
}
void cChunk::BroadcastEntityRelMove(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)->SendEntityRelMove(a_Entity, a_RelX, a_RelY, a_RelZ);
} // for itr - LoadedByClient[]
}
void cChunk::BroadcastEntityRelMoveLook(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)->SendEntityRelMoveLook(a_Entity, a_RelX, a_RelY, a_RelZ);
} // 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::BroadcastEntityVelocity(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)->SendEntityVelocity(a_Entity);
} // for itr - LoadedByClient[]
}
void cChunk::BroadcastEntityAnimation(const cEntity & a_Entity, 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)->SendEntityAnimation(a_Entity, a_Animation);
} // for itr - LoadedByClient[]
}
void cChunk::BroadcastParticleEffect(const AString & a_ParticleName, float a_SrcX, float a_SrcY, float a_SrcZ, float a_OffsetX, float a_OffsetY, float a_OffsetZ, float a_ParticleData, int a_ParticleAmmount, cClientHandle * a_Exclude)
{
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
{
if (*itr == a_Exclude)
{
continue;
}
(*itr)->SendParticleEffect(a_ParticleName, a_SrcX, a_SrcY, a_SrcZ, a_OffsetX, a_OffsetY, a_OffsetZ, a_ParticleData, a_ParticleAmmount);
} // for itr - LoadedByClient[]
}
void cChunk::BroadcastRemoveEntityEffect(const cEntity & a_Entity, int a_EffectID, const cClientHandle * a_Exclude)
{
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
{
if (*itr == a_Exclude)
{
continue;
}
(*itr)->SendRemoveEntityEffect(a_Entity, a_EffectID);
} // for itr - LoadedByClient[]
}
void cChunk::BroadcastSoundEffect(const AString & a_SoundName, double a_X, double a_Y, double a_Z, 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_X, a_Y, a_Z, 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::BroadcastSpawnEntity(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::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::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::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);
}
NIBBLETYPE cChunk::GetTimeAlteredLight(NIBBLETYPE a_Skylight) const
{
a_Skylight -= m_World->GetSkyDarkness();
// Because NIBBLETYPE is unsigned, we clamp it to 0 .. 15 by checking for values above 15
return (a_Skylight < 16)? a_Skylight : 0;
}
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