git-svn-id: http://mc-server.googlecode.com/svn/trunk@391 0a769ca7-a7f5-676a-18bf-c427514a06d6
1421 lines
36 KiB
C++
1421 lines
36 KiB
C++
|
|
#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
|
|
|
|
#ifndef _WIN32
|
|
#include <cstdlib>
|
|
#endif
|
|
|
|
|
|
#include "cChunk.h"
|
|
#include "cWorld.h"
|
|
#include "cWaterSimulator.h"
|
|
#include "cLavaSimulator.h"
|
|
#include "cClientHandle.h"
|
|
#include "cServer.h"
|
|
#include "zlib.h"
|
|
#include "Defines.h"
|
|
#include "cChestEntity.h"
|
|
#include "cFurnaceEntity.h"
|
|
#include "cSignEntity.h"
|
|
#include "cTorch.h"
|
|
#include "cLadder.h"
|
|
#include "cPickup.h"
|
|
#include "cRedstone.h"
|
|
#include "cItem.h"
|
|
#include "cNoise.h"
|
|
#include "cRoot.h"
|
|
#include "cWorldGenerator.h"
|
|
#include "cBlockToPickup.h"
|
|
#include "MersenneTwister.h"
|
|
#include "cPlayer.h"
|
|
|
|
#include "packets/cPacket_DestroyEntity.h"
|
|
#include "packets/cPacket_PreChunk.h"
|
|
#include "packets/cPacket_BlockChange.h"
|
|
#include "packets/cPacket_MapChunk.h"
|
|
#include "packets/cPacket_MultiBlock.h"
|
|
|
|
#include <json/json.h>
|
|
|
|
|
|
|
|
|
|
|
|
extern bool g_bWaterPhysics;
|
|
|
|
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// sSetBlock:
|
|
|
|
sSetBlock::sSetBlock( int a_X, int a_Y, int a_Z, char a_BlockType, char a_BlockMeta ) // absolute block position
|
|
: x( a_X )
|
|
, y( a_Y )
|
|
, z( a_Z )
|
|
, BlockType( a_BlockType )
|
|
, BlockMeta( a_BlockMeta )
|
|
{
|
|
cChunkMap::AbsoluteToRelative(x, y, z, ChunkX, ChunkZ);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
// cChunk:
|
|
|
|
cChunk::cChunk(int a_X, int a_Y, int a_Z, cChunkMap * a_ChunkMap, cWorld * a_World)
|
|
: m_bCalculateLighting( false )
|
|
, m_PosX( a_X )
|
|
, m_PosY( a_Y )
|
|
, m_PosZ( a_Z )
|
|
, m_BlockType( m_BlockData ) // Offset the pointers
|
|
, m_BlockMeta( m_BlockType + c_NumBlocks )
|
|
, m_BlockLight( m_BlockMeta + c_NumBlocks / 2 )
|
|
, m_BlockSkyLight( m_BlockLight + c_NumBlocks / 2 )
|
|
, m_BlockTickNum( 0 )
|
|
, m_BlockTickX( 0 )
|
|
, m_BlockTickY( 0 )
|
|
, m_BlockTickZ( 0 )
|
|
, m_World( a_World )
|
|
, m_ChunkMap(a_ChunkMap)
|
|
, m_IsValid(false)
|
|
, m_IsDirty(false)
|
|
, m_IsSaving(false)
|
|
, m_StayCount(0)
|
|
{
|
|
// LOGINFO("### new cChunk (%i, %i) at %p, thread 0x%x ###", a_X, a_Z, this, GetCurrentThreadId());
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
cChunk::~cChunk()
|
|
{
|
|
// LOGINFO("### delete cChunk() (%i, %i) from %p, thread 0x%x ###", m_PosX, m_PosZ, this, GetCurrentThreadId() );
|
|
|
|
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
|
|
{
|
|
delete *itr;
|
|
}
|
|
m_BlockEntities.clear();
|
|
|
|
// Remove and destroy all entities that are not players:
|
|
cEntityList Entities;
|
|
for (cEntityList::const_iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr)
|
|
{
|
|
if ((*itr)->GetEntityType() != cEntity::eEntityType_Player)
|
|
{
|
|
Entities.push_back(*itr);
|
|
}
|
|
}
|
|
for (cEntityList::iterator itr = Entities.begin(); itr != Entities.end(); ++itr)
|
|
{
|
|
(*itr)->RemoveFromChunk();
|
|
(*itr)->Destroy();
|
|
}
|
|
m_Entities.clear();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::SetValid(bool a_SendToClients)
|
|
{
|
|
m_IsValid = true;
|
|
|
|
m_World->GetChunkMap()->ChunkValidated();
|
|
|
|
if (!a_SendToClients)
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (m_LoadedByClient.empty())
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Sending the chunk here interferes with the lighting done in the tick thread and results in the "invalid compressed data" on the client
|
|
/*
|
|
cPacket_PreChunk PreChunk;
|
|
PreChunk.m_PosX = m_PosX;
|
|
PreChunk.m_PosZ = m_PosZ;
|
|
PreChunk.m_bLoad = true;
|
|
cPacket_MapChunk MapChunk(this);
|
|
Broadcast(&PreChunk);
|
|
Broadcast(&MapChunk);
|
|
|
|
// Let all clients of this chunk know that it has been already sent to the client
|
|
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr)
|
|
{
|
|
(*itr)->ChunkJustSent(this);
|
|
} // 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.BlockData(m_BlockData);
|
|
|
|
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 char * a_BlockData, cEntityList & a_Entities, cBlockEntityList & a_BlockEntities)
|
|
{
|
|
memcpy(m_BlockData, a_BlockData, sizeof(m_BlockData));
|
|
|
|
// Clear the internal entities:
|
|
for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr)
|
|
{
|
|
if ((*itr)->GetEntityType() == cEntity::eEntityType_Player)
|
|
{
|
|
// Move players into the new entity list
|
|
a_Entities.push_back(*itr);
|
|
}
|
|
else
|
|
{
|
|
// Delete other entities (there should not be any, since we're now loading / generating the chunk)
|
|
LOGWARNING("cChunk: There is an unexpected entity #%d of type %s in chunk [%d, %d]; it will be deleted",
|
|
(*itr)->GetUniqueID(), (*itr)->GetClass(),
|
|
m_PosX, m_PosZ
|
|
);
|
|
|
|
// Assert because this is a very curious case. These lines were executed once before, when a player died, re spawned, and walked around a bit. It's uncertain why an entity would be in the chunk in this case.
|
|
ASSERT(!"Unexpected entity in chunk!");
|
|
|
|
(*itr)->Destroy();
|
|
}
|
|
}
|
|
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
|
|
{
|
|
delete *itr;
|
|
}
|
|
|
|
// Swap the entity lists:
|
|
std::swap(a_Entities, m_Entities);
|
|
std::swap(a_BlockEntities, m_BlockEntities);
|
|
|
|
// Create block entities that the loader didn't load; fill them with defaults
|
|
CreateBlockEntities();
|
|
|
|
CalculateHeightmap();
|
|
|
|
m_HasLoadFailed = false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// Copies m_BlockData into a_Blocks, only the block types
|
|
void cChunk::GetBlocks(char * a_Blocks)
|
|
{
|
|
memcpy(a_Blocks, m_BlockData, cChunk::c_NumBlocks);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// Copies m_BlockData into a_Blocks, only the block types
|
|
void cChunk::GetBlockData(char * a_BlockData)
|
|
{
|
|
memcpy(a_BlockData, m_BlockData, cChunk::c_BlockDataSize);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// 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)
|
|
{
|
|
if (m_bCalculateLighting)
|
|
{
|
|
CalculateLighting();
|
|
}
|
|
|
|
cCSLock Lock(m_CSBlockLists);
|
|
unsigned int PendingSendBlocks = m_PendingSendBlocks.size();
|
|
if( PendingSendBlocks > 1 )
|
|
{
|
|
cPacket_MultiBlock MultiBlock;
|
|
MultiBlock.m_ChunkX = m_PosX;
|
|
MultiBlock.m_ChunkZ = m_PosZ;
|
|
MultiBlock.m_NumBlocks = (short)PendingSendBlocks;
|
|
#if (MINECRAFT_1_2_2 == 1)
|
|
MultiBlock.m_Data = new cPacket_MultiBlock::sBlockChange[ PendingSendBlocks ];
|
|
MultiBlock.m_DataSize = PendingSendBlocks * sizeof( cPacket_MultiBlock::sBlockChange );
|
|
#else
|
|
MultiBlock.m_BlockCoordinates = new unsigned short[PendingSendBlocks];
|
|
MultiBlock.m_BlockTypes = new char[PendingSendBlocks];
|
|
MultiBlock.m_BlockMetas = new char[PendingSendBlocks];
|
|
#endif
|
|
//LOG("Sending multiblock packet for %i blocks", PendingSendBlocks );
|
|
for( unsigned int i = 0; i < PendingSendBlocks; i++)
|
|
{
|
|
unsigned int index = m_PendingSendBlocks[i];
|
|
Vector3i BlockPos = IndexToCoordinate( index );
|
|
|
|
#if (MINECRAFT_1_2_2 == 1)
|
|
unsigned int Coords = BlockPos.y | BlockPos.z << 8 | BlockPos.x << 12;
|
|
unsigned int Blocks = GetNibble( m_BlockMeta, index ) | (m_BlockType[index]<<4);
|
|
MultiBlock.m_Data[i].Data = Coords << 16 | Blocks;
|
|
#else
|
|
MultiBlock.m_BlockCoordinates[i] = (BlockPos.z&0xf) | (BlockPos.x&0xf)<<4 | (BlockPos.y&0xff)<<8;
|
|
//LOG("X: %i Y: %i Z: %i Combo: 0x%04x", X, Y, Z, MultiBlock.m_BlockCoordinates[i] );
|
|
MultiBlock.m_BlockTypes[i] = m_BlockType[index];
|
|
MultiBlock.m_BlockMetas[i] = GetNibble( m_BlockMeta, index );
|
|
#endif
|
|
}
|
|
m_PendingSendBlocks.clear();
|
|
PendingSendBlocks = m_PendingSendBlocks.size();
|
|
Broadcast( MultiBlock );
|
|
}
|
|
if( PendingSendBlocks > 0 )
|
|
{
|
|
for( unsigned int i = 0; i < PendingSendBlocks; i++)
|
|
{
|
|
unsigned int index = m_PendingSendBlocks[i];
|
|
Vector3i WorldPos = PositionToWorldPosition( IndexToCoordinate( index ) );
|
|
|
|
cPacket_BlockChange BlockChange;
|
|
BlockChange.m_PosX = WorldPos.x;
|
|
BlockChange.m_PosY = (unsigned char)WorldPos.y;
|
|
BlockChange.m_PosZ = WorldPos.z;
|
|
BlockChange.m_BlockType = m_BlockType[index];
|
|
BlockChange.m_BlockMeta = GetNibble( m_BlockMeta, index );
|
|
Broadcast( BlockChange );
|
|
}
|
|
m_PendingSendBlocks.clear();
|
|
}
|
|
Lock.Unlock();
|
|
|
|
while ( !m_UnloadQuery.empty() )
|
|
{
|
|
cPacket_PreChunk UnloadPacket;
|
|
UnloadPacket.m_PosX = GetPosX();
|
|
UnloadPacket.m_PosZ = GetPosZ();
|
|
UnloadPacket.m_bLoad = false; // Unload
|
|
(*m_UnloadQuery.begin())->Send( UnloadPacket );
|
|
m_UnloadQuery.remove( *m_UnloadQuery.begin() );
|
|
}
|
|
|
|
cCSLock Lock2(m_CSBlockLists);
|
|
unsigned int NumTickBlocks = m_ToTickBlocks.size();
|
|
Lock2.Unlock();
|
|
|
|
if( NumTickBlocks > 0 )
|
|
{
|
|
Lock2.Lock();
|
|
std::deque< unsigned int > ToTickBlocks = m_ToTickBlocks;
|
|
m_ToTickBlocks.clear();
|
|
Lock2.Unlock();
|
|
|
|
bool isRedstone = false;
|
|
for( std::deque< unsigned int >::iterator itr = ToTickBlocks.begin(); itr != ToTickBlocks.end(); ++itr )
|
|
{
|
|
unsigned int index = (*itr);
|
|
Vector3i BlockPos = IndexToCoordinate( index );
|
|
|
|
char BlockID = GetBlock( index );
|
|
switch( BlockID )
|
|
{
|
|
case E_BLOCK_REDSTONE_REPEATER_OFF:
|
|
case E_BLOCK_REDSTONE_REPEATER_ON:
|
|
case E_BLOCK_REDSTONE_WIRE:
|
|
{
|
|
isRedstone = true;
|
|
}
|
|
case E_BLOCK_CACTUS:
|
|
case E_BLOCK_REEDS:
|
|
case E_BLOCK_WOODEN_PRESSURE_PLATE:
|
|
case E_BLOCK_STONE_PRESSURE_PLATE:
|
|
case E_BLOCK_MINECART_TRACKS:
|
|
case E_BLOCK_SIGN_POST:
|
|
case E_BLOCK_CROPS:
|
|
case E_BLOCK_SAPLING:
|
|
case E_BLOCK_YELLOW_FLOWER:
|
|
case E_BLOCK_RED_ROSE:
|
|
case E_BLOCK_RED_MUSHROOM:
|
|
case E_BLOCK_BROWN_MUSHROOM: // Stuff that drops when block below is destroyed
|
|
{
|
|
if( GetBlock( BlockPos.x, BlockPos.y-1, BlockPos.z ) == E_BLOCK_AIR )
|
|
{
|
|
SetBlock( BlockPos, E_BLOCK_AIR, 0 );
|
|
|
|
Vector3i WorldPos = PositionToWorldPosition( BlockPos );
|
|
|
|
m_World->GetSimulatorManager()->WakeUp(WorldPos.x, WorldPos.y, WorldPos.z);
|
|
|
|
cPickup* Pickup = new cPickup( WorldPos.x * 32 + 16, WorldPos.y * 32 + 16, WorldPos.z * 32 + 16, cItem( cBlockToPickup::ToPickup( (ENUM_ITEM_ID)BlockID, E_ITEM_EMPTY) , 1 ) );
|
|
Pickup->Initialize( m_World );
|
|
}
|
|
}
|
|
break;
|
|
case E_BLOCK_REDSTONE_TORCH_OFF:
|
|
case E_BLOCK_REDSTONE_TORCH_ON:
|
|
isRedstone = true;
|
|
case E_BLOCK_TORCH:
|
|
{
|
|
char Dir = cTorch::MetaDataToDirection( GetNibble( m_BlockMeta, BlockPos ) );
|
|
Vector3i WorldPos = PositionToWorldPosition( BlockPos );
|
|
|
|
Vector3i AttachedTo = WorldPos;
|
|
AddDirection( AttachedTo.x, AttachedTo.y, AttachedTo.z, Dir, true );
|
|
if( m_World->GetBlock( AttachedTo ) == E_BLOCK_AIR )
|
|
{
|
|
SetBlock( BlockPos, E_BLOCK_AIR, 0 );
|
|
|
|
m_World->GetSimulatorManager()->WakeUp(WorldPos.x, WorldPos.y, WorldPos.z);
|
|
|
|
cPickup* Pickup = new cPickup( WorldPos.x * 32 + 16, WorldPos.y * 32 + 16, WorldPos.z * 32 + 16, cItem( cBlockToPickup::ToPickup( (ENUM_ITEM_ID)BlockID, E_ITEM_EMPTY) , 1 ) );
|
|
Pickup->Initialize( m_World );
|
|
}
|
|
}
|
|
break;
|
|
case E_BLOCK_LADDER:
|
|
{
|
|
char Dir = cLadder::MetaDataToDirection( GetNibble( m_BlockMeta, BlockPos ) );
|
|
Vector3i WorldPos = PositionToWorldPosition( BlockPos );
|
|
Vector3i AttachedTo = WorldPos;
|
|
AddDirection( AttachedTo.x, AttachedTo.y, AttachedTo.z, Dir, true );
|
|
if( m_World->GetBlock( AttachedTo ) == E_BLOCK_AIR )
|
|
{
|
|
SetBlock( BlockPos, E_BLOCK_AIR, 0 );
|
|
cPickup* Pickup = new cPickup( WorldPos.x * 32 + 16, WorldPos.y * 32 + 16, WorldPos.z * 32 + 16, cItem( (ENUM_ITEM_ID)BlockID, 1 ) );
|
|
Pickup->Initialize( m_World );
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
};
|
|
}
|
|
}
|
|
|
|
// Tick dem blocks
|
|
int RandomX = a_TickRandom.randInt();
|
|
int RandomY = a_TickRandom.randInt();
|
|
int RandomZ = a_TickRandom.randInt();
|
|
|
|
for(int i = 0; i < 50; i++)
|
|
{
|
|
m_BlockTickX = (m_BlockTickX + RandomX) % c_ChunkWidth;
|
|
m_BlockTickY = (m_BlockTickY + RandomY) % c_ChunkHeight;
|
|
m_BlockTickZ = (m_BlockTickZ + RandomZ) % c_ChunkWidth;
|
|
|
|
if( m_BlockTickY > m_HeightMap[ m_BlockTickX + m_BlockTickZ*c_ChunkWidth ] ) continue; // It's all air up here
|
|
|
|
unsigned int Index = MakeIndexNoCheck( m_BlockTickX, m_BlockTickY, m_BlockTickZ );
|
|
char ID = m_BlockType[Index];
|
|
switch( ID )
|
|
{
|
|
/*
|
|
// TODO: re-enable
|
|
case E_BLOCK_DIRT:
|
|
{
|
|
char AboveBlock = GetBlock( Index+1 );
|
|
if ( (AboveBlock == 0) && GetNibble( m_BlockSkyLight, Index ) > 0xf/2 ) // Half lit //changed to not allow grass if any one hit object is on top
|
|
{
|
|
FastSetBlock( m_BlockTickX, m_BlockTickY, m_BlockTickZ, E_BLOCK_GRASS, GetNibble( m_BlockMeta, Index ) );
|
|
}
|
|
if ( (g_BlockOneHitDig[AboveBlock]) && GetNibble( m_BlockSkyLight, Index+1 ) > 0xf/2 ) // Half lit //ch$
|
|
{
|
|
FastSetBlock( m_BlockTickX, m_BlockTickY, m_BlockTickZ, E_BLOCK_GRASS, GetNibble( m_BlockMeta, Index ) );
|
|
}
|
|
|
|
break;
|
|
}
|
|
*/
|
|
|
|
case E_BLOCK_GRASS:
|
|
{
|
|
#if AXIS_ORDER == AXIS_ORDER_YZX
|
|
char AboveBlock = GetBlock( Index+1 );
|
|
#elif AXIS_ORDER == AXIS_ORDER_XZY
|
|
char AboveBlock = GetBlock( Index + (c_ChunkWidth*c_ChunkWidth) );
|
|
#endif
|
|
if (!( (AboveBlock == 0) || (g_BlockOneHitDig[AboveBlock]) || (g_BlockTransparent[AboveBlock]) ) ) //changed to not allow grass if any one hit object is on top
|
|
{
|
|
FastSetBlock( m_BlockTickX, m_BlockTickY, m_BlockTickZ, E_BLOCK_DIRT, GetNibble( m_BlockMeta, Index ) );
|
|
}
|
|
}
|
|
break;
|
|
case E_BLOCK_SAPLING: //todo: check meta of sapling. change m_World->GrowTree to look change trunk and leaves based on meta of sapling
|
|
{
|
|
FastSetBlock( m_BlockTickX, m_BlockTickY, m_BlockTickZ, E_BLOCK_AIR, GetNibble( m_BlockMeta, Index ) );
|
|
m_World->GrowTree( m_BlockTickX + m_PosX*c_ChunkWidth, m_BlockTickY, m_BlockTickZ + m_PosZ*c_ChunkWidth );
|
|
}
|
|
break;
|
|
case E_BLOCK_LEAVES: //todo, http://www.minecraftwiki.net/wiki/Data_values#Leaves
|
|
{
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Tick block entities (furnaces)
|
|
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
|
|
{
|
|
if ((*itr)->GetBlockType() == E_BLOCK_FURNACE)
|
|
{
|
|
((cFurnaceEntity *)(*itr))->Tick( a_Dt );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int cChunk::GetHeight( int a_X, int a_Z )
|
|
{
|
|
ASSERT((a_X >= 0) && (a_X < c_ChunkWidth) && (a_Z >= 0) && (a_Z < c_ChunkWidth));
|
|
|
|
if ((a_X >= 0) && (a_X < c_ChunkWidth) && (a_Z >= 0) && (a_Z < c_ChunkWidth))
|
|
{
|
|
return m_HeightMap[a_X + a_Z * c_ChunkWidth];
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::CreateBlockEntities(void)
|
|
{
|
|
for (int x = 0; x < c_ChunkWidth; x++)
|
|
{
|
|
for (int z = 0; z < c_ChunkWidth; z++)
|
|
{
|
|
for (int y = 0; y < c_ChunkHeight; y++)
|
|
{
|
|
ENUM_BLOCK_ID BlockType = (ENUM_BLOCK_ID)m_BlockData[ MakeIndex( x, y, z ) ];
|
|
switch ( BlockType )
|
|
{
|
|
case E_BLOCK_CHEST:
|
|
{
|
|
if (!HasBlockEntityAt(x + m_PosX * c_ChunkWidth, y + m_PosY * c_ChunkHeight, z + m_PosZ * c_ChunkWidth))
|
|
{
|
|
m_BlockEntities.push_back( new cChestEntity( x + m_PosX * c_ChunkWidth, y + m_PosY * c_ChunkHeight, z + m_PosZ * c_ChunkWidth, m_World) );
|
|
}
|
|
break;
|
|
}
|
|
|
|
case E_BLOCK_FURNACE:
|
|
{
|
|
if (!HasBlockEntityAt(x + m_PosX * c_ChunkWidth, y + m_PosY * c_ChunkHeight, z + m_PosZ * c_ChunkWidth))
|
|
{
|
|
m_BlockEntities.push_back( new cFurnaceEntity( x + m_PosX * c_ChunkWidth, y + m_PosY * c_ChunkHeight, z + m_PosZ * c_ChunkWidth, m_World) );
|
|
}
|
|
break;
|
|
}
|
|
|
|
case E_BLOCK_SIGN_POST:
|
|
case E_BLOCK_WALLSIGN:
|
|
{
|
|
if (!HasBlockEntityAt(x + m_PosX * c_ChunkWidth, y + m_PosY * c_ChunkHeight, z + m_PosZ * c_ChunkWidth))
|
|
{
|
|
m_BlockEntities.push_back( new cSignEntity( BlockType, x + m_PosX * c_ChunkWidth, y + m_PosY * c_ChunkHeight, z + m_PosZ * c_ChunkWidth, m_World) );
|
|
}
|
|
break;
|
|
}
|
|
} // switch (BlockType)
|
|
} // for y
|
|
} // for z
|
|
} // for x
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::CalculateHeightmap()
|
|
{
|
|
for (int x = 0; x < c_ChunkWidth; x++)
|
|
{
|
|
for (int z = 0; z < c_ChunkWidth; z++)
|
|
{
|
|
for (int y = c_ChunkHeight-1; y > -1; y--)
|
|
{
|
|
int index = MakeIndex( x, y, z );
|
|
if (m_BlockData[index] != E_BLOCK_AIR)
|
|
{
|
|
m_HeightMap[x + z * c_ChunkWidth] = (unsigned char)y;
|
|
break;
|
|
}
|
|
} // for y
|
|
} // for z
|
|
} // for x
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::CalculateLighting()
|
|
{
|
|
// Calculate sunlight
|
|
memset(m_BlockSkyLight, 0xff, c_NumBlocks / 2 ); // Set all to fully lit, so everything above HeightMap is lit
|
|
for (int x = 0; x < c_ChunkWidth; x++)
|
|
{
|
|
for (int z = 0; z < c_ChunkWidth; z++)
|
|
{
|
|
char sunlight = 0xf;
|
|
for (int y = m_HeightMap[x + z*c_ChunkWidth]; y > -1; y--)
|
|
{
|
|
int index = MakeIndexNoCheck(x, y, z);
|
|
|
|
if( g_BlockTransparent[ (int)m_BlockData[index] ] == false )
|
|
{
|
|
sunlight = 0x0;
|
|
}
|
|
SetNibble( m_BlockSkyLight, index, sunlight );
|
|
}
|
|
}
|
|
}
|
|
|
|
// Calculate blocklights
|
|
for (int x = 0; x < c_ChunkWidth; x++)
|
|
{
|
|
for (int z = 0; z < c_ChunkWidth; z++)
|
|
{
|
|
int MaxHeight = m_HeightMap[x + z*c_ChunkWidth];
|
|
for (int y = 0; y < MaxHeight; y++)
|
|
{
|
|
char BlockID = GetBlock(x, y, z);
|
|
SetNibble( m_BlockLight, x, y, z, g_BlockLightValue[(int)BlockID] );
|
|
}
|
|
}
|
|
}
|
|
|
|
SpreadLight(m_BlockSkyLight);
|
|
SpreadLight(m_BlockLight);
|
|
|
|
MarkDirty();
|
|
|
|
// Stop it from calculating again :P
|
|
m_bCalculateLighting = false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::SpreadLight(char* a_LightBuffer)
|
|
{
|
|
// Spread the sunlight
|
|
for(int x = 0; x < c_ChunkWidth; x++) for(int z = 0; z < c_ChunkWidth; z++) for(int y = 0; y < c_ChunkHeight; y++)
|
|
{
|
|
int index = MakeIndexNoCheck(x, y, z);
|
|
if( g_BlockSpreadLightFalloff[ m_BlockData[index] ] > 0 )
|
|
{
|
|
SpreadLightOfBlock(a_LightBuffer, x, y, z, g_BlockSpreadLightFalloff[ m_BlockData[index] ]);
|
|
}
|
|
}
|
|
|
|
for(int x = c_ChunkWidth-1; x > -1; x--) for(int z = c_ChunkWidth-1; z > -1; z--) for(int y = c_ChunkHeight-1; y > -1; y--)
|
|
{
|
|
int index = MakeIndexNoCheck(x, y, z);
|
|
if( g_BlockSpreadLightFalloff[ m_BlockData[index] ] > 0 )
|
|
{
|
|
SpreadLightOfBlock(a_LightBuffer, x, y, z, g_BlockSpreadLightFalloff[ m_BlockData[index] ]);
|
|
}
|
|
}
|
|
|
|
bool bCalcLeft, bCalcRight, bCalcFront, bCalcBack;
|
|
bCalcLeft = bCalcRight = bCalcFront = bCalcBack = false;
|
|
|
|
// Spread to neighbour chunks X-axis
|
|
cChunkPtr LeftChunk = m_ChunkMap->GetChunkNoGen( m_PosX - 1, m_PosY, m_PosZ );
|
|
cChunkPtr RightChunk = m_ChunkMap->GetChunkNoGen( m_PosX + 1, m_PosY, m_PosZ );
|
|
char * LeftSky = NULL, *RightSky = NULL;
|
|
if (LeftChunk->IsValid())
|
|
{
|
|
LeftSky = (a_LightBuffer == m_BlockSkyLight) ? LeftChunk->pGetSkyLight() : LeftChunk->pGetLight();
|
|
}
|
|
if (RightChunk->IsValid())
|
|
{
|
|
RightSky = (a_LightBuffer == m_BlockSkyLight) ? RightChunk->pGetSkyLight() : RightChunk->pGetLight();
|
|
}
|
|
|
|
for (int z = 0; z < c_ChunkWidth; z++) for(int y = 0; y < c_ChunkHeight; y++)
|
|
{
|
|
if (LeftSky != NULL)
|
|
{
|
|
int index = MakeIndexNoCheck( 0, y, z );
|
|
if( g_BlockSpreadLightFalloff[ m_BlockData[index] ] > 0 )
|
|
{
|
|
char CurrentLight = GetNibble( a_LightBuffer, 0, y, z );
|
|
char LeftLight = GetNibble( LeftSky, c_ChunkWidth-1, y, z );
|
|
if( LeftLight < CurrentLight-g_BlockSpreadLightFalloff[ m_BlockData[index] ] )
|
|
{
|
|
SetNibble( LeftSky, c_ChunkWidth - 1, y, z, MAX(0, CurrentLight-g_BlockSpreadLightFalloff[ m_BlockData[index] ]) );
|
|
bCalcLeft = true;
|
|
}
|
|
}
|
|
}
|
|
if (RightSky != NULL)
|
|
{
|
|
int index = MakeIndexNoCheck( c_ChunkWidth-1, y, z );
|
|
if( g_BlockSpreadLightFalloff[ m_BlockData[index] ] > 0 )
|
|
{
|
|
char CurrentLight = GetNibble( a_LightBuffer, c_ChunkWidth-1, y, z );
|
|
char RightLight = GetNibble( RightSky, 0, y, z );
|
|
if( RightLight < CurrentLight-g_BlockSpreadLightFalloff[ m_BlockData[index] ] )
|
|
{
|
|
SetNibble( RightSky, 0, y, z, MAX(0, CurrentLight-g_BlockSpreadLightFalloff[ m_BlockData[index] ]) );
|
|
bCalcRight = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Spread to neighbour chunks Z-axis
|
|
cChunkPtr FrontChunk = m_ChunkMap->GetChunkNoGen( m_PosX, m_PosY, m_PosZ - 1 );
|
|
cChunkPtr BackChunk = m_ChunkMap->GetChunkNoGen( m_PosX, m_PosY, m_PosZ + 1 );
|
|
char * FrontSky = NULL, * BackSky = NULL;
|
|
if (FrontChunk->IsValid())
|
|
{
|
|
FrontSky = (a_LightBuffer == m_BlockSkyLight) ? FrontChunk->pGetSkyLight() : FrontChunk->pGetLight();
|
|
}
|
|
if (BackChunk->IsValid())
|
|
{
|
|
BackSky = (a_LightBuffer == m_BlockSkyLight) ? BackChunk->pGetSkyLight() : BackChunk->pGetLight();
|
|
}
|
|
for(int x = 0; x < c_ChunkWidth; x++) for(int y = 0; y < c_ChunkHeight; y++)
|
|
{
|
|
if (FrontSky != NULL)
|
|
{
|
|
int index = MakeIndexNoCheck( x, y, 0 );
|
|
if( g_BlockSpreadLightFalloff[ m_BlockData[index] ] > 0 )
|
|
{
|
|
char CurrentLight = GetNibble( a_LightBuffer, x, y, 0 );
|
|
char FrontLight = GetNibble( FrontSky, x, y, c_ChunkWidth-1 );
|
|
if( FrontLight < CurrentLight-g_BlockSpreadLightFalloff[ m_BlockData[index] ] )
|
|
{
|
|
SetNibble( FrontSky, x, y, c_ChunkWidth-1, MAX(0, CurrentLight-g_BlockSpreadLightFalloff[ m_BlockData[index] ]) );
|
|
bCalcFront = true;
|
|
}
|
|
}
|
|
}
|
|
if (BackSky != NULL)
|
|
{
|
|
int index = MakeIndexNoCheck( x, y, c_ChunkWidth-1 );
|
|
if( g_BlockSpreadLightFalloff[ m_BlockData[index] ] > 0 )
|
|
{
|
|
char CurrentLight = GetNibble( a_LightBuffer, x, y, c_ChunkWidth-1 );
|
|
char BackLight = GetNibble( BackSky, x, y, 0 );
|
|
if ( BackLight < CurrentLight-g_BlockSpreadLightFalloff[ m_BlockData[index] ] )
|
|
{
|
|
SetNibble( BackSky, x, y, 0, MAX(0, CurrentLight-g_BlockSpreadLightFalloff[ m_BlockData[index] ]) );
|
|
bCalcBack = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( bCalcLeft ) m_World->ReSpreadLighting( m_PosX - 1, m_PosY, m_PosZ );
|
|
if ( bCalcRight ) m_World->ReSpreadLighting( m_PosX + 1, m_PosY, m_PosZ );
|
|
if ( bCalcFront ) m_World->ReSpreadLighting( m_PosX, m_PosY, m_PosZ - 1 );
|
|
if ( bCalcBack ) m_World->ReSpreadLighting( m_PosX, m_PosY, m_PosZ + 1 );
|
|
// No need to set those neighbors dirty, they will recalc their light anyway so they'll get marked dirty there
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::SetBlock( int a_X, int a_Y, int a_Z, char a_BlockType, char a_BlockMeta )
|
|
{
|
|
if (a_X < 0 || a_X >= c_ChunkWidth || a_Y < 0 || a_Y >= c_ChunkHeight || a_Z < 0 || a_Z >= c_ChunkWidth)
|
|
{
|
|
return; // Clip
|
|
}
|
|
|
|
ASSERT(IsValid()); // Is this chunk loaded / generated?
|
|
|
|
int index = MakeIndexNoCheck( a_X, a_Y, a_Z );
|
|
char OldBlockMeta = GetNibble( m_BlockMeta, index );
|
|
char OldBlockType = m_BlockType[index];
|
|
m_BlockType[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 ] )
|
|
)
|
|
{
|
|
RecalculateLighting();
|
|
}
|
|
|
|
// Update heightmap, if needed:
|
|
if (a_Y >= m_HeightMap[a_X + a_Z * c_ChunkWidth])
|
|
{
|
|
if (a_BlockType != E_BLOCK_AIR)
|
|
{
|
|
m_HeightMap[a_X + a_Z * c_ChunkWidth] = (unsigned char)a_Y;
|
|
}
|
|
else
|
|
{
|
|
for (int y = a_Y - 1; y > 0; --y)
|
|
{
|
|
if (m_BlockData[MakeIndex(a_X, y, a_Z)] != E_BLOCK_AIR)
|
|
{
|
|
m_HeightMap[a_X + a_Z * c_ChunkWidth] = (unsigned char)y;
|
|
break;
|
|
}
|
|
} // for y - column in m_BlockData
|
|
}
|
|
}
|
|
|
|
m_ToTickBlocks.push_back( MakeIndex( a_X, a_Y, a_Z ) );
|
|
m_ToTickBlocks.push_back( MakeIndex( a_X+1, a_Y, a_Z ) );
|
|
m_ToTickBlocks.push_back( MakeIndex( a_X-1, a_Y, a_Z ) );
|
|
m_ToTickBlocks.push_back( MakeIndex( a_X, a_Y+1, a_Z ) );
|
|
m_ToTickBlocks.push_back( MakeIndex( a_X, a_Y-1, a_Z ) );
|
|
m_ToTickBlocks.push_back( MakeIndex( a_X, a_Y, a_Z+1 ) );
|
|
m_ToTickBlocks.push_back( MakeIndex( a_X, a_Y, a_Z-1 ) );
|
|
|
|
Vector3i WorldPos = PositionToWorldPosition( a_X, a_Y, a_Z );
|
|
cBlockEntity* BlockEntity = GetBlockEntity( WorldPos );
|
|
if( BlockEntity )
|
|
{
|
|
BlockEntity->Destroy();
|
|
RemoveBlockEntity( BlockEntity );
|
|
delete BlockEntity;
|
|
}
|
|
switch( a_BlockType )
|
|
{
|
|
case E_BLOCK_CHEST:
|
|
{
|
|
AddBlockEntity( new cChestEntity( WorldPos.x, WorldPos.y, WorldPos.z, m_World) );
|
|
break;
|
|
}
|
|
case E_BLOCK_FURNACE:
|
|
{
|
|
AddBlockEntity( new cFurnaceEntity( WorldPos.x, WorldPos.y, WorldPos.z, m_World) );
|
|
break;
|
|
}
|
|
case E_BLOCK_SIGN_POST:
|
|
case E_BLOCK_WALLSIGN:
|
|
{
|
|
AddBlockEntity( new cSignEntity( (ENUM_BLOCK_ID)a_BlockType, WorldPos.x, WorldPos.y, WorldPos.z, m_World) );
|
|
break;
|
|
}
|
|
} // switch (a_BlockType)
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::FastSetBlock( int a_X, int a_Y, int a_Z, char a_BlockType, char a_BlockMeta)
|
|
{
|
|
ASSERT(!((a_X < 0 || a_X >= c_ChunkWidth || a_Y < 0 || a_Y >= c_ChunkHeight || a_Z < 0 || a_Z >= c_ChunkWidth)));
|
|
|
|
ASSERT(IsValid());
|
|
|
|
const int index = MakeIndexNoCheck( a_X, a_Y, a_Z );
|
|
const char OldBlock = m_BlockType[index];
|
|
const char OldBlockMeta = GetNibble( m_BlockMeta, index );
|
|
if (OldBlock == a_BlockType && OldBlockMeta == a_BlockMeta)
|
|
{
|
|
return;
|
|
}
|
|
|
|
MarkDirty();
|
|
|
|
m_BlockType[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 ] )
|
|
)
|
|
{
|
|
RecalculateLighting();
|
|
}
|
|
|
|
// Update heightmap, if needed:
|
|
if (a_Y >= m_HeightMap[a_X + a_Z * c_ChunkWidth])
|
|
{
|
|
if (a_BlockType != E_BLOCK_AIR)
|
|
{
|
|
m_HeightMap[a_X + a_Z * c_ChunkWidth] = (unsigned char)a_Y;
|
|
}
|
|
else
|
|
{
|
|
for (int y = a_Y - 1; y > 0; --y)
|
|
{
|
|
if (m_BlockData[MakeIndexNoCheck(a_X, y, a_Z)] != E_BLOCK_AIR)
|
|
{
|
|
m_HeightMap[a_X + a_Z * c_ChunkWidth] = (unsigned char)y;
|
|
break;
|
|
}
|
|
} // for y - column in m_BlockData
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::SendBlockTo( int a_X, int a_Y, int a_Z, cClientHandle* a_Client )
|
|
{
|
|
if( a_Client == 0 )
|
|
{
|
|
cCSLock Lock(m_CSBlockLists);
|
|
unsigned int index = MakeIndex( a_X, a_Y, a_Z );
|
|
if( index != INDEX_OUT_OF_RANGE )
|
|
{
|
|
m_PendingSendBlocks.push_back( index );
|
|
}
|
|
else
|
|
{
|
|
LOGWARN("cChunk::SendBlockTo Index out of range!");
|
|
}
|
|
return;
|
|
}
|
|
|
|
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
|
|
{
|
|
if ( *itr == a_Client )
|
|
{
|
|
unsigned int index = MakeIndex( a_X, a_Y, a_Z );
|
|
Vector3i WorldPos = PositionToWorldPosition( a_X, a_Y, a_Z );
|
|
cPacket_BlockChange BlockChange;
|
|
BlockChange.m_PosX = WorldPos.x;
|
|
BlockChange.m_PosY = (unsigned char)WorldPos.y;
|
|
BlockChange.m_PosZ = WorldPos.z;
|
|
if( index != INDEX_OUT_OF_RANGE )
|
|
{
|
|
BlockChange.m_BlockType = m_BlockType[ index ];
|
|
BlockChange.m_BlockMeta = GetNibble( m_BlockMeta, index );
|
|
} // else it's both 0
|
|
a_Client->Send( BlockChange );
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::AddBlockEntity( cBlockEntity* a_BlockEntity )
|
|
{
|
|
cCSLock Lock(m_CSBlockLists);
|
|
m_BlockEntities.push_back( a_BlockEntity );
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
cBlockEntity * cChunk::GetBlockEntity(int a_X, int a_Y, int a_Z)
|
|
{
|
|
// Assumes that the m_CSBlockList is already locked, we're being called from SetBlock()
|
|
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
|
|
{
|
|
if (
|
|
((*itr)->GetPosX() == a_X) &&
|
|
((*itr)->GetPosY() == a_Y) &&
|
|
((*itr)->GetPosZ() == a_Z)
|
|
)
|
|
{
|
|
return *itr;
|
|
}
|
|
} // for itr - m_BlockEntities[]
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::UseBlockEntity(cPlayer * a_Player, int a_X, int a_Y, int a_Z)
|
|
{
|
|
cBlockEntity * be = GetBlockEntity(a_X, a_Y, a_Z);
|
|
if (be != NULL)
|
|
{
|
|
be->UsedBy(a_Player);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::CollectPickupsByPlayer(cPlayer * a_Player)
|
|
{
|
|
double PosX = a_Player->GetPosX();
|
|
double PosY = a_Player->GetPosY();
|
|
double PosZ = a_Player->GetPosZ();
|
|
|
|
for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr)
|
|
{
|
|
if ( (*itr)->GetEntityType() != cEntity::eEntityType_Pickup )
|
|
{
|
|
continue; // Only pickups
|
|
}
|
|
float DiffX = (float)((*itr)->GetPosX() - PosX );
|
|
float DiffY = (float)((*itr)->GetPosY() - PosY );
|
|
float DiffZ = (float)((*itr)->GetPosZ() - PosZ );
|
|
float SqrDist = DiffX * DiffX + DiffY * DiffY + DiffZ * DiffZ;
|
|
if (SqrDist < 1.5f * 1.5f) // 1.5 block
|
|
{
|
|
MarkDirty();
|
|
(reinterpret_cast<cPickup *>(*itr))->CollectedBy( a_Player );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::UpdateSign(int a_PosX, int a_PosY, int a_PosZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4)
|
|
{
|
|
// Also sends update packets to all clients in the chunk
|
|
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
|
|
{
|
|
if (
|
|
((*itr)->GetPosX() == a_PosX) &&
|
|
((*itr)->GetPosY() == a_PosY) &&
|
|
((*itr)->GetPosZ() == a_PosZ) &&
|
|
(
|
|
((*itr)->GetBlockType() == E_BLOCK_WALLSIGN) ||
|
|
((*itr)->GetBlockType() == E_BLOCK_SIGN_POST)
|
|
)
|
|
)
|
|
{
|
|
MarkDirty();
|
|
(reinterpret_cast<cSignEntity *>(*itr))->SetLines(a_Line1, a_Line2, a_Line3, a_Line4);
|
|
(*itr)->SendTo(NULL);
|
|
}
|
|
} // 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 )
|
|
{
|
|
m_LoadedByClient.remove( a_Client );
|
|
|
|
if ( !a_Client->IsDestroyed() )
|
|
{
|
|
for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr )
|
|
{
|
|
LOG("chunk [%i, %i] destroying entity #%i for player \"%s\"", m_PosX, m_PosZ, (*itr)->GetUniqueID(), a_Client->GetUsername().c_str() );
|
|
cPacket_DestroyEntity DestroyEntity( *itr );
|
|
a_Client->Send( DestroyEntity );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::HasClient( cClientHandle* a_Client )
|
|
{
|
|
for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr)
|
|
{
|
|
if ((*itr) == a_Client)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::HasAnyClients(void)
|
|
{
|
|
return !m_LoadedByClient.empty();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::AddEntity( cEntity * a_Entity)
|
|
{
|
|
if (a_Entity->GetEntityType() != cEntity::eEntityType_Player)
|
|
{
|
|
MarkDirty();
|
|
}
|
|
m_Entities.push_back( a_Entity );
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::RemoveEntity(cEntity * a_Entity)
|
|
{
|
|
size_t SizeBefore = m_Entities.size();
|
|
m_Entities.remove(a_Entity);
|
|
size_t SizeAfter = m_Entities.size();
|
|
|
|
if (SizeBefore != SizeAfter)
|
|
{
|
|
// Mark as dirty if it was a server-generated entity:
|
|
if (a_Entity->GetEntityType() != cEntity::eEntityType_Player)
|
|
{
|
|
MarkDirty();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
char cChunk::GetBlock( int a_X, int a_Y, int a_Z )
|
|
{
|
|
if ((a_X < 0) || (a_X >= c_ChunkWidth) || (a_Y < 0) || (a_Y >= c_ChunkHeight) || (a_Z < 0) || (a_Z >= c_ChunkWidth)) return 0; // Clip
|
|
|
|
return m_BlockType[ MakeIndexNoCheck( a_X, a_Y, a_Z ) ];
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
char cChunk::GetBlock( int a_BlockIdx )
|
|
{
|
|
if( a_BlockIdx < 0 || a_BlockIdx >= c_NumBlocks ) return 0;
|
|
return m_BlockType[ a_BlockIdx ];
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
// _X 2012_02_23: Loading in old format not supported anymore
|
|
/// Loads the chunk from the old-format disk file, erases the file afterwards. Returns true if successful
|
|
bool cChunk::LoadFromDisk()
|
|
{
|
|
AString SourceFile;
|
|
Printf(SourceFile, "world/X%i_Y%i_Z%i.bin", m_PosX, m_PosY, m_PosZ );
|
|
|
|
cFile f;
|
|
if (!f.Open(SourceFile, cFile::fmRead))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (f.Read(m_BlockData, sizeof(m_BlockData)) != sizeof(m_BlockData))
|
|
{
|
|
LOGERROR("ERROR READING FROM FILE %s", SourceFile.c_str());
|
|
return false;
|
|
}
|
|
|
|
// Now load Block Entities:
|
|
ENUM_BLOCK_ID BlockType;
|
|
while (f.Read(&BlockType, sizeof(ENUM_BLOCK_ID)) == sizeof(ENUM_BLOCK_ID))
|
|
{
|
|
switch (BlockType)
|
|
{
|
|
case E_BLOCK_CHEST:
|
|
{
|
|
cChestEntity * ChestEntity = new cChestEntity( 0, 0, 0, m_World );
|
|
if (!ChestEntity->LoadFromFile(f))
|
|
{
|
|
LOGERROR("ERROR READING CHEST FROM FILE %s", SourceFile.c_str());
|
|
delete ChestEntity;
|
|
return false;
|
|
}
|
|
m_BlockEntities.push_back( ChestEntity );
|
|
break;
|
|
}
|
|
|
|
case E_BLOCK_FURNACE:
|
|
{
|
|
cFurnaceEntity* FurnaceEntity = new cFurnaceEntity( 0, 0, 0, m_World );
|
|
if (!FurnaceEntity->LoadFromFile(f))
|
|
{
|
|
LOGERROR("ERROR READING FURNACE FROM FILE %s", SourceFile.c_str());
|
|
delete FurnaceEntity;
|
|
return false;
|
|
}
|
|
m_BlockEntities.push_back( FurnaceEntity );
|
|
break;
|
|
}
|
|
|
|
case E_BLOCK_SIGN_POST:
|
|
case E_BLOCK_WALLSIGN:
|
|
{
|
|
cSignEntity * SignEntity = new cSignEntity(BlockType, 0, 0, 0, m_World );
|
|
if (!SignEntity->LoadFromFile( f ) )
|
|
{
|
|
LOGERROR("ERROR READING SIGN FROM FILE %s", SourceFile.c_str());
|
|
delete SignEntity;
|
|
return false;
|
|
}
|
|
m_BlockEntities.push_back( SignEntity );
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
ASSERT(!"Unhandled block entity in file");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
f.Close();
|
|
|
|
// Delete old format file
|
|
if (std::remove(SourceFile.c_str()) != 0)
|
|
{
|
|
LOGERROR("Could not delete file %s", SourceFile.c_str());
|
|
}
|
|
else
|
|
{
|
|
LOGINFO("Successfully deleted old format file \"%s\"", SourceFile.c_str());
|
|
}
|
|
m_IsDirty = false;
|
|
return true;
|
|
}
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::Broadcast( const cPacket * a_Packet, cClientHandle* a_Exclude)
|
|
{
|
|
for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
|
|
{
|
|
if (*itr == a_Exclude)
|
|
{
|
|
continue;
|
|
}
|
|
(*itr)->Send( a_Packet );
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::CopyBlockDataFrom(const char * a_NewBlockData)
|
|
{
|
|
// Copies all blockdata, recalculates heightmap (used by chunk loaders)
|
|
memcpy(m_BlockData, a_NewBlockData, sizeof(m_BlockData));
|
|
CalculateHeightmap();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::PositionToWorldPosition(int a_ChunkX, int a_ChunkY, int a_ChunkZ, int & a_X, int & a_Y, int & a_Z)
|
|
{
|
|
a_Y = a_ChunkY;
|
|
a_X = m_PosX * c_ChunkWidth + a_ChunkX;
|
|
a_Z = m_PosZ * c_ChunkWidth + a_ChunkZ;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Vector3i cChunk::PositionToWorldPosition( int a_ChunkX, int a_ChunkY, int a_ChunkZ )
|
|
{
|
|
return Vector3i( m_PosX * c_ChunkWidth + a_ChunkX, m_PosY * c_ChunkHeight + a_ChunkY, m_PosZ * c_ChunkWidth + a_ChunkZ );
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#if !C_CHUNK_USE_INLINE
|
|
# include "cChunk.inl.h"
|
|
#endif
|
|
|
|
|
|
|
|
|