6ad8553a3a
http://forum.mc-server.org/showthread.php?tid=528 git-svn-id: http://mc-server.googlecode.com/svn/trunk@793 0a769ca7-a7f5-676a-18bf-c427514a06d6
2002 lines
45 KiB
C++
2002 lines
45 KiB
C++
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#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
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#ifndef _WIN32
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#include <cstdlib>
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#endif
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#include "cChunk.h"
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#include "cWorld.h"
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#include "cWaterSimulator.h"
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#include "cLavaSimulator.h"
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#include "cClientHandle.h"
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#include "cServer.h"
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#include "zlib.h"
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#include "Defines.h"
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#include "cChestEntity.h"
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#include "cFurnaceEntity.h"
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#include "cSignEntity.h"
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#include "cNoteEntity.h"
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#include "cTorch.h"
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#include "cLadder.h"
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#include "cPickup.h"
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#include "cRedstone.h"
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#include "cItem.h"
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#include "cNoise.h"
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#include "cRoot.h"
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#include "cBlockToPickup.h"
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#include "MersenneTwister.h"
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#include "cPlayer.h"
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#include "BlockArea.h"
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#include "cPluginManager.h"
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#include "blocks/Block.h"
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#include <json/json.h>
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extern bool g_bWaterPhysics;
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// sSetBlock:
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sSetBlock::sSetBlock( int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta ) // absolute block position
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: x( a_BlockX )
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, y( a_BlockY )
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, z( a_BlockZ )
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, BlockType( a_BlockType )
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, BlockMeta( a_BlockMeta )
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{
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cChunkDef::AbsoluteToRelative(x, y, z, ChunkX, ChunkZ);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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// cChunk:
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cChunk::cChunk(int a_ChunkX, int a_ChunkY, int a_ChunkZ, cChunkMap * a_ChunkMap, cWorld * a_World)
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: m_PosX( a_ChunkX )
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, m_PosY( a_ChunkY )
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, m_PosZ( a_ChunkZ )
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, m_BlockTickX( 0 )
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, m_BlockTickY( 0 )
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, m_BlockTickZ( 0 )
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, m_World( a_World )
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, m_ChunkMap(a_ChunkMap)
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, m_IsValid(false)
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, m_IsLightValid(false)
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, m_IsDirty(false)
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, m_IsSaving(false)
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, m_StayCount(0)
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{
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// LOGINFO("### new cChunk (%i, %i) at %p, thread 0x%x ###", a_X, a_Z, this, GetCurrentThreadId());
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}
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cChunk::~cChunk()
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{
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// LOGINFO("### delete cChunk() (%i, %i) from %p, thread 0x%x ###", m_PosX, m_PosZ, this, GetCurrentThreadId() );
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for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
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{
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delete *itr;
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}
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m_BlockEntities.clear();
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// Remove and destroy all entities that are not players:
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cEntityList Entities;
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for (cEntityList::const_iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr)
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{
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if ((*itr)->GetEntityType() != cEntity::eEntityType_Player)
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{
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Entities.push_back(*itr);
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}
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}
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for (cEntityList::iterator itr = Entities.begin(); itr != Entities.end(); ++itr)
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{
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(*itr)->RemoveFromChunk();
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(*itr)->Destroy();
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}
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m_Entities.clear();
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}
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void cChunk::SetValid(void)
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{
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m_IsValid = true;
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m_World->GetChunkMap()->ChunkValidated();
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}
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void cChunk::MarkRegenerating(void)
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{
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// Tell all clients attached to this chunk that they want this chunk:
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for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr)
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{
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(*itr)->AddWantedChunk(m_PosX, m_PosZ);
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} // for itr - m_LoadedByClient[]
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}
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bool cChunk::CanUnload(void)
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{
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return m_LoadedByClient.empty() && !m_IsDirty && (m_StayCount == 0);
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}
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void cChunk::MarkSaving(void)
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{
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m_IsSaving = true;
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}
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void cChunk::MarkSaved(void)
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{
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if (!m_IsSaving)
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{
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return;
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}
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m_IsDirty = false;
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}
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void cChunk::MarkLoaded(void)
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{
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m_IsDirty = false;
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SetValid();
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}
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void cChunk::MarkLoadFailed(void)
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{
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if (m_IsValid)
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{
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return;
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}
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m_HasLoadFailed = true;
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}
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void cChunk::GetAllData(cChunkDataCallback & a_Callback)
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{
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a_Callback.HeightMap (&m_HeightMap);
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a_Callback.BiomeData (&m_BiomeMap);
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a_Callback.BlockTypes (m_BlockTypes);
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a_Callback.BlockMeta (m_BlockMeta);
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a_Callback.LightIsValid (m_IsLightValid);
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a_Callback.BlockLight (m_BlockLight);
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a_Callback.BlockSkyLight(m_BlockSkyLight);
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for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr)
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{
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a_Callback.Entity(*itr);
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}
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for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
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{
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a_Callback.BlockEntity(*itr);
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}
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}
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void cChunk::SetAllData(
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const BLOCKTYPE * a_BlockTypes,
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const NIBBLETYPE * a_BlockMeta,
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const NIBBLETYPE * a_BlockLight,
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const NIBBLETYPE * a_BlockSkyLight,
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const HeightMap * a_HeightMap,
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const BiomeMap & a_BiomeMap,
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cEntityList & a_Entities,
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cBlockEntityList & a_BlockEntities
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)
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{
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memcpy(m_BiomeMap, a_BiomeMap, sizeof(m_BiomeMap));
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if (a_HeightMap != NULL)
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{
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memcpy(m_HeightMap, a_HeightMap, sizeof(m_HeightMap));
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}
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memcpy(m_BlockTypes, a_BlockTypes, sizeof(m_BlockTypes));
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memcpy(m_BlockMeta, a_BlockMeta, sizeof(m_BlockMeta));
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if (a_BlockLight != NULL)
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{
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memcpy(m_BlockLight, a_BlockLight, sizeof(m_BlockLight));
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}
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if (a_BlockSkyLight != NULL)
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{
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memcpy(m_BlockSkyLight, a_BlockSkyLight, sizeof(m_BlockSkyLight));
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}
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m_IsLightValid = (a_BlockLight != NULL) && (a_BlockSkyLight != NULL);
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if (a_HeightMap == NULL)
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{
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CalculateHeightmap();
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}
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// Append entities to current entity list:
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m_Entities.splice(m_Entities.end(), a_Entities);
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// Clear the block entities present - either the loader / saver has better, or we'll create empty ones:
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for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
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{
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delete *itr;
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}
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std::swap(a_BlockEntities, m_BlockEntities);
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// Create block entities that the loader didn't load; fill them with defaults
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CreateBlockEntities();
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m_HasLoadFailed = false;
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}
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void cChunk::SetLight(
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const cChunkDef::BlockNibbles & a_BlockLight,
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const cChunkDef::BlockNibbles & a_SkyLight
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)
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{
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// TODO: We might get cases of wrong lighting when a chunk changes in the middle of a lighting calculation.
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// Postponing until we see how bad it is :)
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memcpy(m_BlockLight, a_BlockLight, sizeof(m_BlockLight));
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memcpy(m_BlockSkyLight, a_SkyLight, sizeof(m_BlockSkyLight));
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m_IsLightValid = true;
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}
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void cChunk::GetBlockTypes(BLOCKTYPE * a_BlockTypes)
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{
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memcpy(a_BlockTypes, m_BlockTypes, NumBlocks);
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}
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void cChunk::GetBlockData(BLOCKTYPE * a_BlockData)
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{
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memcpy(a_BlockData, m_BlockTypes, NumBlocks);
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memcpy(a_BlockData + MetaOffset, m_BlockMeta, NumBlocks / 2);
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memcpy(a_BlockData + LightOffset, m_BlockLight, NumBlocks / 2);
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memcpy(a_BlockData + SkyLightOffset, m_BlockSkyLight, NumBlocks / 2);
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}
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/// Returns true if there is a block entity at the coords specified
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bool cChunk::HasBlockEntityAt(int a_BlockX, int a_BlockY, int a_BlockZ)
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{
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for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
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{
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if (
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((*itr)->GetPosX() == a_BlockX) &&
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((*itr)->GetPosY() == a_BlockY) &&
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((*itr)->GetPosZ() == a_BlockZ)
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)
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{
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return true;
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}
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} // for itr - m_BlockEntities[]
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return false;
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}
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/// Sets or resets the internal flag that prevents chunk from being unloaded
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void cChunk::Stay(bool a_Stay)
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{
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m_StayCount += (a_Stay ? 1 : -1);
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ASSERT(m_StayCount >= 0);
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}
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void cChunk::Tick(float a_Dt, MTRand & a_TickRandom)
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{
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BroadcastPendingBlockChanges();
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// Unload the chunk from all clients that have queued unloading:
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for (cClientHandleList::iterator itr = m_UnloadQuery.begin(), end = m_UnloadQuery.end(); itr != end; ++itr)
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{
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(*itr)->SendUnloadChunk(m_PosX, m_PosZ);
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}
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m_UnloadQuery.clear();
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CheckBlocks();
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TickBlocks(a_TickRandom);
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// Tick block entities (furnaces)
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for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
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{
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if ((*itr)->GetBlockType() == E_BLOCK_FURNACE)
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{
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m_IsDirty = ((cFurnaceEntity *)(*itr))->Tick( a_Dt ) | m_IsDirty;
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}
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}
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}
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void cChunk::BroadcastPendingBlockChanges(void)
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{
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sSetBlockVector Changes;
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{
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cCSLock Lock(m_CSBlockLists);
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if (m_PendingSendBlocks.empty())
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{
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return;
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}
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Changes.reserve(m_PendingSendBlocks.size());
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for (std::vector<unsigned int>::iterator itr = m_PendingSendBlocks.begin(), end = m_PendingSendBlocks.end(); itr != end; ++itr)
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{
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unsigned int index = *itr;
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Vector3i RelPos = IndexToCoordinate(index);
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Changes.push_back(sSetBlock(m_PosX, m_PosZ, RelPos.x, RelPos.y, RelPos.z, GetBlock(index), GetMeta(index)));
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} // for itr - m_PendingSendBlocks[]
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m_PendingSendBlocks.clear();
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}
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for (cClientHandleList::iterator itr = m_LoadedByClient.begin(), end = m_LoadedByClient.end(); itr != end; ++itr)
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{
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(*itr)->SendBlockChanges(m_PosX, m_PosZ, Changes);
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}
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}
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void cChunk::CheckBlocks(void)
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{
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cCSLock Lock2(m_CSBlockLists);
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unsigned int NumTickBlocks = m_ToTickBlocks.size();
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Lock2.Unlock();
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if (NumTickBlocks == 0)
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{
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return;
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}
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Lock2.Lock();
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std::deque< unsigned int > ToTickBlocks = m_ToTickBlocks;
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m_ToTickBlocks.clear();
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Lock2.Unlock();
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for (std::deque< unsigned int >::const_iterator itr = ToTickBlocks.begin(); itr != ToTickBlocks.end(); ++itr)
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{
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unsigned int index = (*itr);
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Vector3i BlockPos = IndexToCoordinate(index);
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Vector3i WorldPos = PositionToWorldPosition( BlockPos );
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cBlockHandler * Handler = BlockHandler(GetBlock(index));
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if(!Handler->CanBeAt(m_World, WorldPos.x, WorldPos.y, WorldPos.z))
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{
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if(Handler->DropOnUnsuitable())
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{
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Handler->DropBlock(m_World, WorldPos.x, WorldPos.y, WorldPos.z);
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}
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m_World->SetBlock(WorldPos.x, WorldPos.y, WorldPos.z, E_BLOCK_AIR, 0);
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}
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/*
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BLOCKTYPE BlockType = GetBlock(index);
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NIBBLETYPE BlockMeta = GetMeta (index);
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switch (BlockType)
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{
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// Stuff that drops when block below is destroyed:
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case E_BLOCK_REDSTONE_REPEATER_OFF:
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case E_BLOCK_REDSTONE_REPEATER_ON:
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case E_BLOCK_REDSTONE_WIRE:
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case E_BLOCK_CACTUS:
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case E_BLOCK_REEDS:
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case E_BLOCK_WOODEN_PRESSURE_PLATE:
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case E_BLOCK_STONE_PRESSURE_PLATE:
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case E_BLOCK_MINECART_TRACKS:
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case E_BLOCK_SIGN_POST:
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case E_BLOCK_CROPS:
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case E_BLOCK_SAPLING:
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case E_BLOCK_YELLOW_FLOWER:
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case E_BLOCK_RED_ROSE:
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case E_BLOCK_RED_MUSHROOM:
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case E_BLOCK_BROWN_MUSHROOM:
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case E_BLOCK_SNOW:
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{
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if (GetBlock(BlockPos.x, BlockPos.y - 1, BlockPos.z) == E_BLOCK_AIR)
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{
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SetBlock( BlockPos, E_BLOCK_AIR, 0 );
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Vector3i WorldPos = PositionToWorldPosition( BlockPos );
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m_World->GetSimulatorManager()->WakeUp(WorldPos.x, WorldPos.y, WorldPos.z);
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cItems Pickups;
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cBlockToPickup::ToPickup(BlockType, BlockMeta, E_ITEM_EMPTY, Pickups);
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m_World->SpawnItemPickups(Pickups, WorldPos.x, WorldPos.y, WorldPos.z);
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}
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break;
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}
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case E_BLOCK_REDSTONE_TORCH_OFF:
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case E_BLOCK_REDSTONE_TORCH_ON:
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case E_BLOCK_TORCH:
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{
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char Dir = cTorch::MetaDataToDirection( GetNibble( m_BlockMeta, BlockPos ) );
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Vector3i WorldPos = PositionToWorldPosition( BlockPos );
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Vector3i AttachedTo = WorldPos;
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AddDirection( AttachedTo.x, AttachedTo.y, AttachedTo.z, Dir, true );
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if( m_World->GetBlock( AttachedTo ) == E_BLOCK_AIR )
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{
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SetBlock( BlockPos, E_BLOCK_AIR, 0 );
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m_World->GetSimulatorManager()->WakeUp(WorldPos.x, WorldPos.y, WorldPos.z);
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cItems Pickups;
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cBlockToPickup::ToPickup(BlockType, BlockMeta, E_ITEM_EMPTY, Pickups);
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m_World->SpawnItemPickups(Pickups, WorldPos.x, WorldPos.y, WorldPos.z);
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}
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break;
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}
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case E_BLOCK_LADDER:
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{
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char Dir = cLadder::MetaDataToDirection( GetNibble( m_BlockMeta, BlockPos ) );
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Vector3i WorldPos = PositionToWorldPosition( BlockPos );
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Vector3i AttachedTo = WorldPos;
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AddDirection( AttachedTo.x, AttachedTo.y, AttachedTo.z, Dir, true );
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if( m_World->GetBlock( AttachedTo ) == E_BLOCK_AIR )
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{
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SetBlock( BlockPos, E_BLOCK_AIR, 0 );
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cItems Pickups;
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cBlockToPickup::ToPickup(BlockType, BlockMeta, E_ITEM_EMPTY, Pickups);
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m_World->SpawnItemPickups(Pickups, WorldPos.x, WorldPos.y, WorldPos.z);
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}
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break;
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}
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} // switch (BlockType)
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*/
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} // for itr - ToTickBlocks[]
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}
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void cChunk::TickBlocks(MTRand & a_TickRandom)
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{
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// Tick dem blocks
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// _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 )
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int RandomX = a_TickRandom.randInt(0x00ffffff);
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int RandomY = a_TickRandom.randInt(0x00ffffff);
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int RandomZ = a_TickRandom.randInt(0x00ffffff);
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int TickX = m_BlockTickX;
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int TickY = m_BlockTickY;
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int TickZ = m_BlockTickZ;
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// This for loop looks disgusting, but it actually does a simple thing - first processes m_BlockTick, then adds random to it
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// This is so that SetNextBlockTick() works
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for (int i = 0; i < 50; i++,
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// This weird construct (*2, then /2) is needed,
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// otherwise the blocktick distribution is too biased towards even coords!
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TickX = (TickX + RandomX) % (Width * 2),
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TickY = (TickY + RandomY) % (Height * 2),
|
|
TickZ = (TickZ + RandomZ) % (Width * 2),
|
|
m_BlockTickX = TickX / 2,
|
|
m_BlockTickY = TickY / 2,
|
|
m_BlockTickZ = TickZ / 2
|
|
)
|
|
{
|
|
|
|
if (m_BlockTickY > cChunkDef::GetHeight(m_HeightMap, m_BlockTickX, m_BlockTickZ))
|
|
{
|
|
continue; // It's all air up here
|
|
}
|
|
|
|
unsigned int Index = MakeIndexNoCheck( m_BlockTickX, m_BlockTickY, m_BlockTickZ );
|
|
BLOCKTYPE ID = m_BlockTypes[Index];
|
|
switch( ID )
|
|
{
|
|
case E_BLOCK_CROPS:
|
|
{
|
|
NIBBLETYPE Meta = GetMeta(Index);
|
|
if (Meta < 7)
|
|
{
|
|
FastSetBlock(m_BlockTickX, m_BlockTickY, m_BlockTickZ, E_BLOCK_CROPS, ++Meta);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case E_BLOCK_PUMPKIN_STEM:
|
|
case E_BLOCK_MELON_STEM: TickMelonPumpkin(m_BlockTickX, m_BlockTickY, m_BlockTickZ, Index, ID, a_TickRandom); break;
|
|
case E_BLOCK_FARMLAND: TickFarmland (m_BlockTickX, m_BlockTickY, m_BlockTickZ); break;
|
|
case E_BLOCK_SUGARCANE: GrowSugarcane (m_BlockTickX, m_BlockTickY, m_BlockTickZ, 1); break;
|
|
case E_BLOCK_CACTUS: GrowCactus (m_BlockTickX, m_BlockTickY, m_BlockTickZ, 1); break;
|
|
|
|
|
|
default:
|
|
{
|
|
cBlockHandler *Handler = BlockHandler(ID);
|
|
if(Handler->NeedsRandomTicks())
|
|
Handler->OnUpdate(m_World, m_BlockTickX + m_PosX*Width, m_BlockTickY, m_BlockTickZ + m_PosZ*Width);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void cChunk::TickMelonPumpkin(int a_RelX, int a_RelY, int a_RelZ, int a_BlockIdx, BLOCKTYPE a_BlockType, MTRand & a_TickRandom)
|
|
{
|
|
NIBBLETYPE Meta = GetMeta(a_BlockIdx);
|
|
if (Meta < 7)
|
|
{
|
|
FastSetBlock(m_BlockTickX, m_BlockTickY, m_BlockTickZ, a_BlockType, ++Meta);
|
|
return;
|
|
}
|
|
GrowMelonPumpkin(a_RelX, a_RelY, a_RelZ, a_BlockType, a_TickRandom);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::TickFarmland(int a_RelX, int a_RelY, int a_RelZ)
|
|
{
|
|
// TODO: Rain hydrates blocks, too. Check world weather, don't search for water if raining.
|
|
// NOTE: The desert biomes do not get precipitation, so another check needs to be made.
|
|
|
|
// Search for water in a close proximity:
|
|
// Ref.: http://www.minecraftwiki.net/wiki/Farmland#Hydrated_Farmland_Tiles
|
|
bool Found = false;
|
|
for (int y = a_RelY; y <= a_RelY + 1; y++)
|
|
{
|
|
for (int z = a_RelZ - 4; z <= a_RelZ + 4; z++)
|
|
{
|
|
for (int x = a_RelX - 4; x <= a_RelX + 4; x++)
|
|
{
|
|
BLOCKTYPE BlockType;
|
|
NIBBLETYPE Meta; // unused
|
|
|
|
if (!UnboundedRelGetBlock(x, y, z, BlockType, Meta))
|
|
{
|
|
// Too close to an unloaded chunk, we might miss a water block there, so don't tick at all
|
|
return;
|
|
}
|
|
if (
|
|
(BlockType == E_BLOCK_WATER) ||
|
|
(BlockType == E_BLOCK_STATIONARY_WATER)
|
|
)
|
|
{
|
|
Found = true;
|
|
break;
|
|
}
|
|
} // for x
|
|
if (Found)
|
|
{
|
|
break;
|
|
}
|
|
} // for z
|
|
if (Found)
|
|
{
|
|
break;
|
|
}
|
|
} // for y
|
|
|
|
NIBBLETYPE BlockMeta = GetMeta(a_RelX, a_RelY, a_RelZ);
|
|
|
|
if (Found)
|
|
{
|
|
// Water was found, hydrate the block until hydration reaches 7:
|
|
if (BlockMeta < 7)
|
|
{
|
|
FastSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_FARMLAND, ++BlockMeta);
|
|
}
|
|
return;
|
|
}
|
|
|
|
// Water wasn't found, de-hydrate block:
|
|
if (BlockMeta > 0)
|
|
{
|
|
FastSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_FARMLAND, --BlockMeta);
|
|
return;
|
|
}
|
|
|
|
// Farmland too dry. If nothing is growing on top, turn back to dirt:
|
|
|
|
switch (GetBlock(a_RelX, a_RelY + 1, a_RelZ))
|
|
{
|
|
case E_BLOCK_CROPS:
|
|
case E_BLOCK_MELON_STEM:
|
|
case E_BLOCK_PUMPKIN_STEM:
|
|
break;
|
|
default:
|
|
FastSetBlock(a_RelX, a_RelY, a_RelZ, E_BLOCK_DIRT, 0);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::GrowMelonPumpkin(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, MTRand & a_TickRandom)
|
|
{
|
|
// Convert the stem BlockType into produce BlockType
|
|
BLOCKTYPE ProduceType;
|
|
switch (a_BlockType)
|
|
{
|
|
case E_BLOCK_MELON_STEM: ProduceType = E_BLOCK_MELON; break;
|
|
case E_BLOCK_PUMPKIN_STEM: ProduceType = E_BLOCK_PUMPKIN; break;
|
|
default:
|
|
{
|
|
ASSERT(!"Unhandled blocktype in TickMelonPumpkin()");
|
|
return;
|
|
}
|
|
}
|
|
|
|
// Check if there's another melon / pumpkin around that stem, if so, abort:
|
|
bool IsValid;
|
|
BLOCKTYPE BlockType[4];
|
|
NIBBLETYPE BlockMeta; // unused
|
|
IsValid = UnboundedRelGetBlock(a_RelX + 1, a_RelY, a_RelZ, BlockType[0], BlockMeta);
|
|
IsValid = IsValid && UnboundedRelGetBlock(a_RelX - 1, a_RelY, a_RelZ, BlockType[1], BlockMeta);
|
|
IsValid = IsValid && UnboundedRelGetBlock(a_RelX, a_RelY, a_RelZ + 1, BlockType[2], BlockMeta);
|
|
IsValid = IsValid && UnboundedRelGetBlock(a_RelX, a_RelY, a_RelZ - 1, BlockType[3], BlockMeta);
|
|
if (
|
|
!IsValid ||
|
|
(BlockType[0] == ProduceType) ||
|
|
(BlockType[1] == ProduceType) ||
|
|
(BlockType[2] == ProduceType) ||
|
|
(BlockType[3] == ProduceType)
|
|
)
|
|
{
|
|
// Neighbors not valid or already taken by the same produce
|
|
return;
|
|
}
|
|
|
|
// Pick a direction in which to place the produce:
|
|
int x = 0, z = 0;
|
|
int CheckType = a_TickRandom.randInt(3); // The index to the neighbors array which should be checked for emptiness
|
|
switch (CheckType)
|
|
{
|
|
case 0: x = 1; break;
|
|
case 1: x = -1; break;
|
|
case 2: z = 1; break;
|
|
case 3: z = -1; break;
|
|
}
|
|
|
|
// Check that the block in that direction is empty:
|
|
switch (BlockType[CheckType])
|
|
{
|
|
case E_BLOCK_AIR:
|
|
case E_BLOCK_SNOW:
|
|
case E_BLOCK_TALL_GRASS:
|
|
case E_BLOCK_DEAD_BUSH:
|
|
{
|
|
break;
|
|
}
|
|
default: return;
|
|
}
|
|
|
|
// Check if there's soil under the neighbor. We already know the neighbors are valid. Place produce if ok
|
|
BLOCKTYPE Soil;
|
|
UnboundedRelGetBlock(a_RelX + x, a_RelY - 1, a_RelZ + z, Soil, BlockMeta);
|
|
switch (Soil)
|
|
{
|
|
case E_BLOCK_DIRT:
|
|
case E_BLOCK_GRASS:
|
|
case E_BLOCK_FARMLAND:
|
|
{
|
|
// Place a randomly-facing produce:
|
|
UnboundedRelFastSetBlock(a_RelX + x, a_RelY, a_RelZ + z, ProduceType, (NIBBLETYPE)(a_TickRandom.randInt(4) % 4));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::GrowSugarcane(int a_RelX, int a_RelY, int a_RelZ, int a_NumBlocks)
|
|
{
|
|
// Check the total height of the sugarcane blocks here:
|
|
int Top = a_RelY + 1;
|
|
while (
|
|
(Top < cChunkDef::Height) &&
|
|
(GetBlock(a_RelX, Top, a_RelZ) == E_BLOCK_SUGARCANE)
|
|
)
|
|
{
|
|
++Top;
|
|
}
|
|
int Bottom = a_RelY - 1;
|
|
while (
|
|
(Bottom > 0) &&
|
|
(GetBlock(a_RelX, Bottom, a_RelZ) == E_BLOCK_SUGARCANE)
|
|
)
|
|
{
|
|
--Bottom;
|
|
}
|
|
|
|
// Grow by at most a_NumBlocks, but no more than max height:
|
|
int ToGrow = std::min(a_NumBlocks, m_World->GetMaxSugarcaneHeight() + 1 - (Top - Bottom));
|
|
for (int i = 0; i < ToGrow; i++)
|
|
{
|
|
BLOCKTYPE BlockType;
|
|
NIBBLETYPE BlockMeta;
|
|
if (UnboundedRelGetBlock(a_RelX, Top + i, a_RelZ, BlockType, BlockMeta) && (BlockType == E_BLOCK_AIR))
|
|
{
|
|
UnboundedRelFastSetBlock(a_RelX, Top + i, a_RelZ, E_BLOCK_SUGARCANE, 0);
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
} // for i
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::GrowCactus(int a_RelX, int a_RelY, int a_RelZ, int a_NumBlocks)
|
|
{
|
|
// Check the total height of the sugarcane blocks here:
|
|
int Top = a_RelY + 1;
|
|
while (
|
|
(Top < cChunkDef::Height) &&
|
|
(GetBlock(a_RelX, Top, a_RelZ) == E_BLOCK_CACTUS)
|
|
)
|
|
{
|
|
++Top;
|
|
}
|
|
int Bottom = a_RelY - 1;
|
|
while (
|
|
(Bottom > 0) &&
|
|
(GetBlock(a_RelX, Bottom, a_RelZ) == E_BLOCK_CACTUS)
|
|
)
|
|
{
|
|
--Bottom;
|
|
}
|
|
|
|
// Grow by at most a_NumBlocks, but no more than max height:
|
|
int ToGrow = std::min(a_NumBlocks, m_World->GetMaxCactusHeight() + 1 - (Top - Bottom));
|
|
for (int i = 0; i < ToGrow; i++)
|
|
{
|
|
BLOCKTYPE BlockType;
|
|
NIBBLETYPE BlockMeta;
|
|
if (UnboundedRelGetBlock(a_RelX, Top + i, a_RelZ, BlockType, BlockMeta) && (BlockType == E_BLOCK_AIR))
|
|
{
|
|
// TODO: Check the surrounding blocks, if they aren't air, break the cactus block into pickups (and continue breaking blocks above in the next loop iterations)
|
|
UnboundedRelFastSetBlock(a_RelX, Top + i, a_RelZ, E_BLOCK_CACTUS, 0);
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
} // for i
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::UnboundedRelGetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta)
|
|
{
|
|
if ((a_RelY < 0) || (a_RelY > cChunkDef::Height))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if ((a_RelX >= 0) && (a_RelX < cChunkDef::Width) && (a_RelZ >= 0) && (a_RelZ < cChunkDef::Width))
|
|
{
|
|
int BlockIdx = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ);
|
|
a_BlockType = GetBlock(BlockIdx);
|
|
a_BlockMeta = GetMeta(BlockIdx);
|
|
return true;
|
|
}
|
|
return m_ChunkMap->LockedGetBlock(
|
|
m_PosX * cChunkDef::Width + a_RelX,
|
|
ZERO_CHUNK_Y * cChunkDef::Height + a_RelY,
|
|
m_PosZ * cChunkDef::Width + a_RelZ,
|
|
a_BlockType, a_BlockMeta
|
|
);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::UnboundedRelSetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
|
|
{
|
|
if ((a_RelX >= 0) && (a_RelX < cChunkDef::Width) && (a_RelZ >= 0) && (a_RelZ < cChunkDef::Width))
|
|
{
|
|
SetBlock(a_RelX, a_RelY, a_RelZ, a_BlockType, a_BlockMeta);
|
|
return true;
|
|
}
|
|
return m_ChunkMap->LockedSetBlock(
|
|
m_PosX * cChunkDef::Width + a_RelX,
|
|
ZERO_CHUNK_Y * cChunkDef::Height + a_RelY,
|
|
m_PosZ * cChunkDef::Width + a_RelZ,
|
|
a_BlockType, a_BlockMeta
|
|
);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::UnboundedRelFastSetBlock(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta)
|
|
{
|
|
if ((a_RelX >= 0) && (a_RelX < cChunkDef::Width) && (a_RelZ >= 0) && (a_RelZ < cChunkDef::Width))
|
|
{
|
|
FastSetBlock(a_RelX, a_RelY, a_RelZ, a_BlockType, a_BlockMeta);
|
|
return true;
|
|
}
|
|
return m_ChunkMap->LockedFastSetBlock(
|
|
m_PosX * cChunkDef::Width + a_RelX,
|
|
ZERO_CHUNK_Y * cChunkDef::Height + a_RelY,
|
|
m_PosZ * cChunkDef::Width + a_RelZ,
|
|
a_BlockType, a_BlockMeta
|
|
);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int cChunk::GetHeight( int a_X, int a_Z )
|
|
{
|
|
ASSERT((a_X >= 0) && (a_X < Width) && (a_Z >= 0) && (a_Z < Width));
|
|
|
|
if ((a_X >= 0) && (a_X < Width) && (a_Z >= 0) && (a_Z < Width))
|
|
{
|
|
return m_HeightMap[a_X + a_Z * Width];
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::CreateBlockEntities(void)
|
|
{
|
|
for (int x = 0; x < Width; x++)
|
|
{
|
|
for (int z = 0; z < Width; z++)
|
|
{
|
|
for (int y = 0; y < Height; y++)
|
|
{
|
|
ENUM_BLOCK_ID BlockType = (ENUM_BLOCK_ID)cChunkDef::GetBlock(m_BlockTypes, x, y, z);
|
|
switch ( BlockType )
|
|
{
|
|
case E_BLOCK_CHEST:
|
|
{
|
|
if (!HasBlockEntityAt(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width))
|
|
{
|
|
m_BlockEntities.push_back( new cChestEntity( x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width, m_World) );
|
|
}
|
|
break;
|
|
}
|
|
|
|
case E_BLOCK_FURNACE:
|
|
{
|
|
if (!HasBlockEntityAt(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width))
|
|
{
|
|
m_BlockEntities.push_back( new cFurnaceEntity( x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width, m_World) );
|
|
}
|
|
break;
|
|
}
|
|
|
|
case E_BLOCK_SIGN_POST:
|
|
case E_BLOCK_WALLSIGN:
|
|
{
|
|
if (!HasBlockEntityAt(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width))
|
|
{
|
|
m_BlockEntities.push_back( new cSignEntity( BlockType, x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width, m_World) );
|
|
}
|
|
break;
|
|
}
|
|
|
|
case E_BLOCK_NOTE_BLOCK:
|
|
{
|
|
if (!HasBlockEntityAt(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width))
|
|
{
|
|
m_BlockEntities.push_back(new cNoteEntity(x + m_PosX * Width, y + m_PosY * Height, z + m_PosZ * Width, m_World) );
|
|
}
|
|
break;
|
|
}
|
|
} // switch (BlockType)
|
|
} // for y
|
|
} // for z
|
|
} // for x
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::CalculateHeightmap()
|
|
{
|
|
for (int x = 0; x < Width; x++)
|
|
{
|
|
for (int z = 0; z < Width; z++)
|
|
{
|
|
for (int y = Height - 1; y > -1; y--)
|
|
{
|
|
int index = MakeIndex( x, y, z );
|
|
if (m_BlockTypes[index] != E_BLOCK_AIR)
|
|
{
|
|
m_HeightMap[x + z * Width] = (unsigned char)y;
|
|
break;
|
|
}
|
|
} // for y
|
|
} // for z
|
|
} // for x
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::SetBlock( int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta )
|
|
{
|
|
if (a_RelX < 0 || a_RelX >= Width || a_RelY < 0 || a_RelY >= Height || a_RelZ < 0 || a_RelZ >= Width)
|
|
{
|
|
return; // Clip
|
|
}
|
|
|
|
ASSERT(IsValid()); // Is this chunk loaded / generated?
|
|
|
|
int index = MakeIndexNoCheck( a_RelX, a_RelY, a_RelZ );
|
|
BLOCKTYPE OldBlockMeta = GetNibble( m_BlockMeta, index );
|
|
BLOCKTYPE OldBlockType = m_BlockTypes[index];
|
|
m_BlockTypes[index] = a_BlockType;
|
|
|
|
SetNibble( m_BlockMeta, index, a_BlockMeta );
|
|
|
|
if ((OldBlockType == a_BlockType) && (OldBlockMeta == a_BlockMeta))
|
|
{
|
|
return;
|
|
}
|
|
|
|
MarkDirty();
|
|
|
|
{
|
|
cCSLock Lock(m_CSBlockLists);
|
|
m_PendingSendBlocks.push_back( index );
|
|
}
|
|
|
|
// ONLY recalculate lighting if it's necessary!
|
|
if(
|
|
(g_BlockLightValue[ OldBlockType ] != g_BlockLightValue[ a_BlockType ]) ||
|
|
(g_BlockSpreadLightFalloff[ OldBlockType ] != g_BlockSpreadLightFalloff[ a_BlockType ]) ||
|
|
(g_BlockTransparent[ OldBlockType ] != g_BlockTransparent[ a_BlockType ] )
|
|
)
|
|
{
|
|
m_IsLightValid = false;
|
|
}
|
|
|
|
// Update heightmap, if needed:
|
|
if (a_RelY >= m_HeightMap[a_RelX + a_RelZ * Width])
|
|
{
|
|
if (a_BlockType != E_BLOCK_AIR)
|
|
{
|
|
SetHeight(m_HeightMap, a_RelX, a_RelZ, a_RelY);
|
|
}
|
|
else
|
|
{
|
|
for (int y = a_RelY - 1; y > 0; --y)
|
|
{
|
|
if (cChunkDef::GetBlock(m_BlockTypes, a_RelX, y, a_RelZ) != E_BLOCK_AIR)
|
|
{
|
|
SetHeight(m_HeightMap, a_RelX, a_RelZ, y);
|
|
break;
|
|
}
|
|
} // for y - column in m_BlockData
|
|
}
|
|
}
|
|
|
|
m_ToTickBlocks.push_back( MakeIndex( a_RelX, a_RelY, a_RelZ ) );
|
|
m_ToTickBlocks.push_back( MakeIndex( a_RelX + 1, a_RelY, a_RelZ ) );
|
|
m_ToTickBlocks.push_back( MakeIndex( a_RelX - 1, a_RelY, a_RelZ ) );
|
|
m_ToTickBlocks.push_back( MakeIndex( a_RelX, a_RelY + 1, a_RelZ ) );
|
|
m_ToTickBlocks.push_back( MakeIndex( a_RelX, a_RelY - 1, a_RelZ ) );
|
|
m_ToTickBlocks.push_back( MakeIndex( a_RelX, a_RelY, a_RelZ + 1 ) );
|
|
m_ToTickBlocks.push_back( MakeIndex( a_RelX, a_RelY, a_RelZ - 1 ) );
|
|
|
|
Vector3i WorldPos = PositionToWorldPosition( a_RelX, a_RelY, a_RelZ );
|
|
cBlockEntity* BlockEntity = GetBlockEntity( WorldPos );
|
|
if( BlockEntity )
|
|
{
|
|
BlockEntity->Destroy();
|
|
RemoveBlockEntity( BlockEntity );
|
|
delete BlockEntity;
|
|
}
|
|
switch( a_BlockType )
|
|
{
|
|
case E_BLOCK_CHEST:
|
|
{
|
|
AddBlockEntity( new cChestEntity( WorldPos.x, WorldPos.y, WorldPos.z, m_World) );
|
|
break;
|
|
}
|
|
case E_BLOCK_FURNACE:
|
|
{
|
|
AddBlockEntity( new cFurnaceEntity( WorldPos.x, WorldPos.y, WorldPos.z, m_World) );
|
|
break;
|
|
}
|
|
case E_BLOCK_SIGN_POST:
|
|
case E_BLOCK_WALLSIGN:
|
|
{
|
|
AddBlockEntity( new cSignEntity( (ENUM_BLOCK_ID)a_BlockType, WorldPos.x, WorldPos.y, WorldPos.z, m_World) );
|
|
break;
|
|
}
|
|
case E_BLOCK_NOTE_BLOCK:
|
|
{
|
|
AddBlockEntity(new cNoteEntity(WorldPos.x, WorldPos.y, WorldPos.z, m_World));
|
|
break;
|
|
}
|
|
} // switch (a_BlockType)
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::FastSetBlock( int a_X, int a_Y, int a_Z, BLOCKTYPE a_BlockType, BLOCKTYPE a_BlockMeta)
|
|
{
|
|
ASSERT(!((a_X < 0 || a_X >= Width || a_Y < 0 || a_Y >= Height || a_Z < 0 || a_Z >= Width)));
|
|
|
|
ASSERT(IsValid());
|
|
|
|
const int index = MakeIndexNoCheck( a_X, a_Y, a_Z );
|
|
const BLOCKTYPE OldBlock = m_BlockTypes[index];
|
|
const BLOCKTYPE OldBlockMeta = GetNibble( m_BlockMeta, index );
|
|
if ((OldBlock == a_BlockType) && (OldBlockMeta == a_BlockMeta))
|
|
{
|
|
return;
|
|
}
|
|
|
|
MarkDirty();
|
|
|
|
m_BlockTypes[index] = a_BlockType;
|
|
|
|
{
|
|
cCSLock Lock(m_CSBlockLists);
|
|
m_PendingSendBlocks.push_back( index );
|
|
}
|
|
|
|
SetNibble( m_BlockMeta, index, a_BlockMeta );
|
|
|
|
// ONLY recalculate lighting if it's necessary!
|
|
if(
|
|
(g_BlockLightValue[ OldBlock ] != g_BlockLightValue[ a_BlockType ]) ||
|
|
(g_BlockSpreadLightFalloff[ OldBlock ] != g_BlockSpreadLightFalloff[ a_BlockType ]) ||
|
|
(g_BlockTransparent[ OldBlock ] != g_BlockTransparent[ a_BlockType ] )
|
|
)
|
|
{
|
|
m_IsLightValid = false;
|
|
}
|
|
|
|
// Update heightmap, if needed:
|
|
if (a_Y >= m_HeightMap[a_X + a_Z * Width])
|
|
{
|
|
if (a_BlockType != E_BLOCK_AIR)
|
|
{
|
|
m_HeightMap[a_X + a_Z * Width] = (unsigned char)a_Y;
|
|
}
|
|
else
|
|
{
|
|
for (int y = a_Y - 1; y > 0; --y)
|
|
{
|
|
if (m_BlockTypes[MakeIndexNoCheck(a_X, y, a_Z)] != E_BLOCK_AIR)
|
|
{
|
|
m_HeightMap[a_X + a_Z * Width] = (unsigned char)y;
|
|
break;
|
|
}
|
|
} // for y - column in m_BlockData
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::SendBlockTo(int a_RelX, int a_RelY, int a_RelZ, cClientHandle * a_Client)
|
|
{
|
|
unsigned int index = MakeIndex(a_RelX, a_RelY, a_RelZ);
|
|
if (index == INDEX_OUT_OF_RANGE)
|
|
{
|
|
LOGWARN("cChunk::SendBlockTo Index out of range!");
|
|
return;
|
|
}
|
|
|
|
if (a_Client == NULL)
|
|
{
|
|
// Queue the block for all clients in the chunk (will be sent in Tick())
|
|
m_PendingSendBlocks.push_back(index);
|
|
return;
|
|
}
|
|
|
|
Vector3i wp = PositionToWorldPosition(a_RelX, a_RelY, a_RelZ);
|
|
a_Client->SendBlockChange(wp.x, wp.y, wp.z, GetBlock(index), GetMeta(index));
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::AddBlockEntity( cBlockEntity* a_BlockEntity )
|
|
{
|
|
cCSLock Lock(m_CSBlockLists);
|
|
m_BlockEntities.push_back( a_BlockEntity );
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
cBlockEntity * cChunk::GetBlockEntity(int a_X, int a_Y, int a_Z)
|
|
{
|
|
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
|
|
{
|
|
if (
|
|
((*itr)->GetPosX() == a_X) &&
|
|
((*itr)->GetPosY() == a_Y) &&
|
|
((*itr)->GetPosZ() == a_Z)
|
|
)
|
|
{
|
|
return *itr;
|
|
}
|
|
} // for itr - m_BlockEntities[]
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::UseBlockEntity(cPlayer * a_Player, int a_X, int a_Y, int a_Z)
|
|
{
|
|
cBlockEntity * be = GetBlockEntity(a_X, a_Y, a_Z);
|
|
if (be != NULL)
|
|
{
|
|
be->UsedBy(a_Player);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::CollectPickupsByPlayer(cPlayer * a_Player)
|
|
{
|
|
double PosX = a_Player->GetPosX();
|
|
double PosY = a_Player->GetPosY();
|
|
double PosZ = a_Player->GetPosZ();
|
|
|
|
for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr)
|
|
{
|
|
if ( (*itr)->GetEntityType() != cEntity::eEntityType_Pickup )
|
|
{
|
|
continue; // Only pickups
|
|
}
|
|
float DiffX = (float)((*itr)->GetPosX() - PosX );
|
|
float DiffY = (float)((*itr)->GetPosY() - PosY );
|
|
float DiffZ = (float)((*itr)->GetPosZ() - PosZ );
|
|
float SqrDist = DiffX * DiffX + DiffY * DiffY + DiffZ * DiffZ;
|
|
if (SqrDist < 1.5f * 1.5f) // 1.5 block
|
|
{
|
|
MarkDirty();
|
|
(reinterpret_cast<cPickup *>(*itr))->CollectedBy( a_Player );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::UpdateSign(int a_PosX, int a_PosY, int a_PosZ, const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4)
|
|
{
|
|
// Also sends update packets to all clients in the chunk
|
|
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
|
|
{
|
|
if (
|
|
((*itr)->GetPosX() == a_PosX) &&
|
|
((*itr)->GetPosY() == a_PosY) &&
|
|
((*itr)->GetPosZ() == a_PosZ) &&
|
|
(
|
|
((*itr)->GetBlockType() == E_BLOCK_WALLSIGN) ||
|
|
((*itr)->GetBlockType() == E_BLOCK_SIGN_POST)
|
|
)
|
|
)
|
|
{
|
|
MarkDirty();
|
|
(reinterpret_cast<cSignEntity *>(*itr))->SetLines(a_Line1, a_Line2, a_Line3, a_Line4);
|
|
m_World->BroadcastBlockEntity(a_PosX, a_PosY, a_PosZ);
|
|
}
|
|
} // for itr - m_BlockEntities[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::RemoveBlockEntity( cBlockEntity* a_BlockEntity )
|
|
{
|
|
cCSLock Lock(m_CSBlockLists);
|
|
MarkDirty();
|
|
m_BlockEntities.remove( a_BlockEntity );
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::AddClient(cClientHandle* a_Client)
|
|
{
|
|
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr)
|
|
{
|
|
if (a_Client == *itr)
|
|
{
|
|
// Already there, nothing needed
|
|
return false;
|
|
}
|
|
}
|
|
m_LoadedByClient.push_back( a_Client );
|
|
|
|
for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr )
|
|
{
|
|
LOGD("cChunk: Entity #%d (%s) at [%i, %i, %i] spawning for player \"%s\"", (*itr)->GetUniqueID(), (*itr)->GetClass(), m_PosX, m_PosY, m_PosZ, a_Client->GetUsername().c_str());
|
|
(*itr)->SpawnOn(*a_Client);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::RemoveClient( cClientHandle* a_Client )
|
|
{
|
|
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr)
|
|
{
|
|
if (*itr != a_Client)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
m_LoadedByClient.erase(itr);
|
|
|
|
if (!a_Client->IsDestroyed())
|
|
{
|
|
for (cEntityList::iterator itr = m_Entities.begin(); itr != m_Entities.end(); ++itr )
|
|
{
|
|
LOGD("chunk [%i, %i] destroying entity #%i for player \"%s\"", m_PosX, m_PosZ, (*itr)->GetUniqueID(), a_Client->GetUsername().c_str() );
|
|
a_Client->SendDestroyEntity(*(*itr));
|
|
}
|
|
}
|
|
return;
|
|
} // for itr - m_LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::HasClient( cClientHandle* a_Client )
|
|
{
|
|
for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr)
|
|
{
|
|
if ((*itr) == a_Client)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::HasAnyClients(void)
|
|
{
|
|
return !m_LoadedByClient.empty();
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::AddEntity( cEntity * a_Entity)
|
|
{
|
|
if (a_Entity->GetEntityType() != cEntity::eEntityType_Player)
|
|
{
|
|
MarkDirty();
|
|
}
|
|
m_Entities.push_back( a_Entity );
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::RemoveEntity(cEntity * a_Entity)
|
|
{
|
|
size_t SizeBefore = m_Entities.size();
|
|
m_Entities.remove(a_Entity);
|
|
size_t SizeAfter = m_Entities.size();
|
|
|
|
if (SizeBefore != SizeAfter)
|
|
{
|
|
// Mark as dirty if it was a server-generated entity:
|
|
if (a_Entity->GetEntityType() != cEntity::eEntityType_Player)
|
|
{
|
|
MarkDirty();
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::ForEachEntity(cEntityCallback & a_Callback)
|
|
{
|
|
// The entity list is locked by the parent chunkmap's CS
|
|
for (cEntityList::iterator itr = m_Entities.begin(), itr2 = itr; itr != m_Entities.end(); itr = itr2)
|
|
{
|
|
++itr2;
|
|
if (a_Callback.Item(*itr))
|
|
{
|
|
return false;
|
|
}
|
|
} // for itr - m_Entitites[]
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::ForEachChest(cChestCallback & a_Callback)
|
|
{
|
|
// The blockentity list is locked by the parent chunkmap's CS
|
|
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(), itr2 = itr; itr != m_BlockEntities.end(); itr = itr2)
|
|
{
|
|
++itr2;
|
|
if ((*itr)->GetBlockType() != E_BLOCK_CHEST)
|
|
{
|
|
continue;
|
|
}
|
|
if (a_Callback.Item((cChestEntity *)*itr))
|
|
{
|
|
return false;
|
|
}
|
|
} // for itr - m_BlockEntitites[]
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::ForEachFurnace(cFurnaceCallback & a_Callback)
|
|
{
|
|
// The blockentity list is locked by the parent chunkmap's CS
|
|
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(), itr2 = itr; itr != m_BlockEntities.end(); itr = itr2)
|
|
{
|
|
++itr2;
|
|
switch ((*itr)->GetBlockType())
|
|
{
|
|
case E_BLOCK_FURNACE:
|
|
case E_BLOCK_LIT_FURNACE:
|
|
{
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
continue;
|
|
}
|
|
}
|
|
if (a_Callback.Item((cFurnaceEntity *)*itr))
|
|
{
|
|
return false;
|
|
}
|
|
} // for itr - m_BlockEntitites[]
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::DoWithChestAt(int a_BlockX, int a_BlockY, int a_BlockZ, cChestCallback & a_Callback)
|
|
{
|
|
// The blockentity list is locked by the parent chunkmap's CS
|
|
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(), itr2 = itr; itr != m_BlockEntities.end(); itr = itr2)
|
|
{
|
|
++itr2;
|
|
if (((*itr)->GetPosX() != a_BlockX) || ((*itr)->GetPosY() != a_BlockY) || ((*itr)->GetPosZ() != a_BlockZ))
|
|
{
|
|
continue;
|
|
}
|
|
if ((*itr)->GetBlockType() != E_BLOCK_CHEST)
|
|
{
|
|
// There is a block entity here, but of different type. No other block entity can be here, so we can safely bail out
|
|
return false;
|
|
}
|
|
|
|
// The correct block entity is here
|
|
if (a_Callback.Item((cChestEntity *)*itr))
|
|
{
|
|
return false;
|
|
}
|
|
return true;
|
|
} // for itr - m_BlockEntitites[]
|
|
|
|
// Not found:
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::DoWithFurnaceAt(int a_BlockX, int a_BlockY, int a_BlockZ, cFurnaceCallback & a_Callback)
|
|
{
|
|
// The blockentity list is locked by the parent chunkmap's CS
|
|
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(), itr2 = itr; itr != m_BlockEntities.end(); itr = itr2)
|
|
{
|
|
++itr2;
|
|
if (((*itr)->GetPosX() != a_BlockX) || ((*itr)->GetPosY() != a_BlockY) || ((*itr)->GetPosZ() != a_BlockZ))
|
|
{
|
|
continue;
|
|
}
|
|
switch ((*itr)->GetBlockType())
|
|
{
|
|
case E_BLOCK_FURNACE:
|
|
case E_BLOCK_LIT_FURNACE:
|
|
{
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
// There is a block entity here, but of different type. No other block entity can be here, so we can safely bail out
|
|
return false;
|
|
}
|
|
} // switch (BlockType)
|
|
|
|
// The correct block entity is here,
|
|
if (a_Callback.Item((cFurnaceEntity *)*itr))
|
|
{
|
|
return false;
|
|
}
|
|
return true;
|
|
} // for itr - m_BlockEntitites[]
|
|
|
|
// Not found:
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
bool cChunk::GetSignLines(int a_BlockX, int a_BlockY, int a_BlockZ, AString & a_Line1, AString & a_Line2, AString & a_Line3, AString & a_Line4)
|
|
{
|
|
// The blockentity list is locked by the parent chunkmap's CS
|
|
for (cBlockEntityList::iterator itr = m_BlockEntities.begin(); itr != m_BlockEntities.end(); ++itr)
|
|
{
|
|
if (((*itr)->GetPosX() != a_BlockX) || ((*itr)->GetPosY() != a_BlockY) || ((*itr)->GetPosZ() != a_BlockZ))
|
|
{
|
|
continue;
|
|
}
|
|
switch ((*itr)->GetBlockType())
|
|
{
|
|
case E_BLOCK_WALLSIGN:
|
|
case E_BLOCK_SIGN_POST:
|
|
{
|
|
a_Line1 = ((cSignEntity *)*itr)->GetLine(0);
|
|
a_Line2 = ((cSignEntity *)*itr)->GetLine(1);
|
|
a_Line3 = ((cSignEntity *)*itr)->GetLine(2);
|
|
a_Line4 = ((cSignEntity *)*itr)->GetLine(3);
|
|
return true;
|
|
}
|
|
} // switch (BlockType)
|
|
|
|
// There is a block entity here, but of different type. No other block entity can be here, so we can safely bail out
|
|
return false;
|
|
} // for itr - m_BlockEntitites[]
|
|
|
|
// Not found:
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
BLOCKTYPE cChunk::GetBlock( int a_X, int a_Y, int a_Z )
|
|
{
|
|
if ((a_X < 0) || (a_X >= Width) || (a_Y < 0) || (a_Y >= Height) || (a_Z < 0) || (a_Z >= Width)) return 0; // Clip
|
|
|
|
return m_BlockTypes[ MakeIndexNoCheck( a_X, a_Y, a_Z ) ];
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
BLOCKTYPE cChunk::GetBlock( int a_BlockIdx )
|
|
{
|
|
if( a_BlockIdx < 0 || a_BlockIdx >= NumBlocks ) return 0;
|
|
return m_BlockTypes[ a_BlockIdx ];
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::GetBlockTypeMeta(int a_RelX, int a_RelY, int a_RelZ, BLOCKTYPE & a_BlockType, NIBBLETYPE & a_BlockMeta)
|
|
{
|
|
int Idx = cChunkDef::MakeIndexNoCheck(a_RelX, a_RelY, a_RelZ);
|
|
a_BlockType = cChunkDef::GetBlock (m_BlockTypes, a_RelX, a_RelY, a_RelZ);
|
|
a_BlockMeta = cChunkDef::GetNibble(m_BlockMeta, a_RelX, a_RelY, a_RelZ);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
// _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::BroadcastPlayerAnimation(const cPlayer & a_Player, char a_Animation, const cClientHandle * a_Exclude)
|
|
{
|
|
for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
|
|
{
|
|
if (*itr == a_Exclude)
|
|
{
|
|
continue;
|
|
}
|
|
(*itr)->SendPlayerAnimation(a_Player, a_Animation);
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::BroadcastEntityEquipment(const cEntity & a_Entity, short a_SlotNum, const cItem & a_Item, const cClientHandle * a_Exclude)
|
|
{
|
|
for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
|
|
{
|
|
if (*itr == a_Exclude)
|
|
{
|
|
continue;
|
|
}
|
|
(*itr)->SendEntityEquipment(a_Entity, a_SlotNum, a_Item);
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::BroadcastRelEntMoveLook(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)->SendRelEntMoveLook(a_Entity, a_RelX, a_RelY, a_RelZ);
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::BroadcastRelEntMove(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)->SendRelEntMove(a_Entity, a_RelX, a_RelY, a_RelZ);
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::BroadcastEntLook(const cEntity & a_Entity, const cClientHandle * a_Exclude)
|
|
{
|
|
for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
|
|
{
|
|
if (*itr == a_Exclude)
|
|
{
|
|
continue;
|
|
}
|
|
(*itr)->SendEntLook(a_Entity);
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::BroadcastEntHeadLook(const cEntity & a_Entity, const cClientHandle * a_Exclude)
|
|
{
|
|
for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
|
|
{
|
|
if (*itr == a_Exclude)
|
|
{
|
|
continue;
|
|
}
|
|
(*itr)->SendEntHeadLook(a_Entity);
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::BroadcastBlockAction(int a_BlockX, int a_BlockY, int a_BlockZ, char a_Byte1, char a_Byte2, 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);
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::BroadcastDestroyEntity(const cEntity & a_Entity, const cClientHandle * a_Exclude)
|
|
{
|
|
for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
|
|
{
|
|
if (*itr == a_Exclude)
|
|
{
|
|
continue;
|
|
}
|
|
(*itr)->SendDestroyEntity(a_Entity);
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::BroadcastEntityStatus(const cEntity & a_Entity, char a_Status, const cClientHandle * a_Exclude)
|
|
{
|
|
for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
|
|
{
|
|
if (*itr == a_Exclude)
|
|
{
|
|
continue;
|
|
}
|
|
(*itr)->SendEntityStatus(a_Entity, a_Status);
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::BroadcastMetadata(const cPawn & a_Pawn, const cClientHandle * a_Exclude)
|
|
{
|
|
for (cClientHandleList::const_iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
|
|
{
|
|
if (*itr == a_Exclude)
|
|
{
|
|
continue;
|
|
}
|
|
(*itr)->SendMetadata(a_Pawn);
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::BroadcastSpawn(cEntity & a_Entity, const cClientHandle * a_Exclude)
|
|
{
|
|
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
|
|
{
|
|
if (*itr == a_Exclude)
|
|
{
|
|
continue;
|
|
}
|
|
a_Entity.SpawnOn(*(*itr));
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::BroadcastCollectPickup(const cPickup & a_Pickup, const cPlayer & a_Player, const cClientHandle * a_Exclude)
|
|
{
|
|
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
|
|
{
|
|
if (*itr == a_Exclude)
|
|
{
|
|
continue;
|
|
}
|
|
(*itr)->SendCollectPickup(a_Pickup, a_Player);
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::BroadcastThunderbolt(int a_BlockX, int a_BlockY, int a_BlockZ, const cClientHandle * a_Exclude)
|
|
{
|
|
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
|
|
{
|
|
if (*itr == a_Exclude)
|
|
{
|
|
continue;
|
|
}
|
|
(*itr)->SendThunderbolt(a_BlockX, a_BlockY, a_BlockZ);
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::BroadcastBlockEntity(int a_BlockX, int a_BlockY, int a_BlockZ, const cClientHandle * a_Exclude)
|
|
{
|
|
// We can operate on entity pointers, we're inside the ChunkMap's CS lock which guards the list
|
|
cBlockEntity * Entity = GetBlockEntity(a_BlockX, a_BlockY, a_BlockZ);
|
|
if (Entity == NULL)
|
|
{
|
|
return;
|
|
}
|
|
for (cClientHandleList::iterator itr = m_LoadedByClient.begin(); itr != m_LoadedByClient.end(); ++itr )
|
|
{
|
|
if (*itr == a_Exclude)
|
|
{
|
|
continue;
|
|
}
|
|
Entity->SendTo(*(*itr));
|
|
} // for itr - LoadedByClient[]
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::SendBlockEntity(int a_BlockX, int a_BlockY, int a_BlockZ, cClientHandle & a_Client)
|
|
{
|
|
cBlockEntity * Entity = GetBlockEntity(a_BlockX, a_BlockY, a_BlockZ);
|
|
if (Entity == NULL)
|
|
{
|
|
return;
|
|
}
|
|
Entity->SendTo(a_Client);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void cChunk::PositionToWorldPosition(int a_RelX, int a_RelY, int a_RelZ, int & a_BlockX, int & a_BlockY, int & a_BlockZ)
|
|
{
|
|
a_BlockY = a_RelY;
|
|
a_BlockX = m_PosX * Width + a_RelX;
|
|
a_BlockZ = m_PosZ * Width + a_RelZ;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
Vector3i cChunk::PositionToWorldPosition(int a_RelX, int a_RelY, int a_RelZ)
|
|
{
|
|
return Vector3i(m_PosX * Width + a_RelX, m_PosY * Height + a_RelY, m_PosZ * Width + a_RelZ);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
#if !C_CHUNK_USE_INLINE
|
|
# include "cChunk.inl.h"
|
|
#endif
|
|
|
|
|
|
|
|
|