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-rw-r--r--source/cChunk.cpp375
1 files changed, 199 insertions, 176 deletions
diff --git a/source/cChunk.cpp b/source/cChunk.cpp
index 8d93b34ec..7d93b4ba9 100644
--- a/source/cChunk.cpp
+++ b/source/cChunk.cpp
@@ -4,8 +4,6 @@
#ifndef _WIN32
#include <cstring>
#include <cstdlib>
-#include <sys/stat.h> // for mkdir
-#include <sys/types.h>
#endif
@@ -52,6 +50,10 @@ typedef std::list< cClientHandle* > ClientHandleList;
typedef std::list< cBlockEntity* > BlockEntityList;
typedef std::list< cEntity* > EntityList;
+
+
+
+
struct cChunk::sChunkState
{
sChunkState()
@@ -78,6 +80,36 @@ struct cChunk::sChunkState
int NumRefs;
};
+
+
+
+
+cChunk::cChunk(int a_X, int a_Y, int a_Z, cWorld* a_World)
+ : m_pState( new sChunkState )
+ , m_bCalculateLighting( false )
+ , m_bCalculateHeightmap( 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_EntitiesCriticalSection( 0 )
+ , m_World( a_World )
+{
+ //LOG("cChunk::cChunk(%i, %i, %i)", a_X, a_Y, a_Z);
+ m_EntitiesCriticalSection = new cCriticalSection();
+}
+
+
+
+
+
cChunk::~cChunk()
{
//LOG("~cChunk() %i %i %i", m_PosX, m_PosY, m_PosZ );
@@ -125,31 +157,13 @@ cChunk::~cChunk()
delete m_pState;
}
-cChunk::cChunk(int a_X, int a_Y, int a_Z, cWorld* a_World)
- : m_pState( new sChunkState )
- , m_bCalculateLighting( false )
- , m_bCalculateHeightmap( 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_EntitiesCriticalSection( 0 )
- , m_World( a_World )
-{
- //LOG("cChunk::cChunk(%i, %i, %i)", a_X, a_Y, a_Z);
- m_EntitiesCriticalSection = new cCriticalSection();
-}
+
+
+
void cChunk::Initialize()
{
- if( !LoadFromDisk() )
+ if (!LoadFromDisk())
{
// Clear memory
memset( m_BlockData, 0x00, c_BlockDataSize );
@@ -163,9 +177,8 @@ void cChunk::Initialize()
// During generation, some blocks might have been set by using (Fast)SetBlock() causing this list to fill.
// This chunk has not been sent to anybody yet, so there is no need for separately sending block changes when you can send an entire chunk
- m_pState->BlockListCriticalSection.Lock();
+ cCSLock Lock(m_pState->BlockListCriticalSection);
m_pState->PendingSendBlocks.clear();
- m_pState->BlockListCriticalSection.Unlock();
}
else
{
@@ -174,14 +187,22 @@ void cChunk::Initialize()
}
}
+
+
+
+
void cChunk::Tick(float a_Dt)
{
- if( m_bCalculateLighting )
+ if (m_bCalculateLighting)
+ {
CalculateLighting();
- if( m_bCalculateHeightmap )
+ }
+ if (m_bCalculateHeightmap)
+ {
CalculateHeightmap();
+ }
- m_pState->BlockListCriticalSection.Lock();
+ cCSLock Lock(m_pState->BlockListCriticalSection);
unsigned int PendingSendBlocks = m_pState->PendingSendBlocks.size();
if( PendingSendBlocks > 1 )
{
@@ -228,7 +249,7 @@ void cChunk::Tick(float a_Dt)
}
m_pState->PendingSendBlocks.clear();
}
- m_pState->BlockListCriticalSection.Unlock();
+ Lock.Unlock();
while( !m_pState->UnloadQuery.empty() )
{
@@ -872,179 +893,137 @@ cBlockEntity* cChunk::GetBlockEntity( int a_X, int a_Y, int a_Z )
return 0;
}
+
+
+
+
+/// Loads the chunk from the old-format disk file, erases the file afterwards. Returns true if successful
bool cChunk::LoadFromDisk()
{
char SourceFile[128];
- sprintf_s(SourceFile, 128, "world/X%i_Y%i_Z%i.bin", m_PosX, m_PosY, m_PosZ );
-
- FILE* f = 0;
- #ifdef _WIN32
- if( fopen_s(&f, SourceFile, "rb" ) == 0 ) // no error
- #else
- if( (f = fopen(SourceFile, "rb" )) != 0 ) // no error
- #endif
+ sprintf_s(SourceFile, ARRAYCOUNT(SourceFile), "world/X%i_Y%i_Z%i.bin", m_PosX, m_PosY, m_PosZ );
+
+ cFile f;
+ if (!f.Open(SourceFile, cFile::fmRead))
{
- if( fread( m_BlockData, sizeof(char)*c_BlockDataSize, 1, f) != 1 ) { LOGERROR("ERROR READING FROM FILE %s", SourceFile); fclose(f); return false; }
+ return false;
+ }
- // Now load Block Entities
- m_pState->BlockListCriticalSection.Lock();
- ENUM_BLOCK_ID BlockType;
- while( fread( &BlockType, sizeof(ENUM_BLOCK_ID), 1, f) == 1 )
+ if (f.Read(m_BlockData, sizeof(m_BlockData)) != sizeof(m_BlockData))
+ {
+ LOGERROR("ERROR READING FROM FILE %s", SourceFile);
+ return false;
+ }
+
+ // Now load Block Entities
+ cCSLock Lock(m_pState->BlockListCriticalSection);
+
+ ENUM_BLOCK_ID BlockType;
+ while (f.Read(&BlockType, sizeof(ENUM_BLOCK_ID)) == sizeof(ENUM_BLOCK_ID))
+ {
+ switch (BlockType)
{
- switch( BlockType )
- {
case E_BLOCK_CHEST:
+ {
+ cChestEntity * ChestEntity = new cChestEntity( 0, 0, 0, this );
+ if (!ChestEntity->LoadFromFile(f))
{
- cChestEntity* ChestEntity = new cChestEntity( 0, 0, 0, this );
- if( !ChestEntity->LoadFromFile( f ) )
- {
- LOGERROR("ERROR READING CHEST FROM FILE %s", SourceFile );
- delete ChestEntity;
- fclose(f);
- return false;
- }
- m_pState->BlockEntities.push_back( ChestEntity );
+ LOGERROR("ERROR READING CHEST FROM FILE %s", SourceFile );
+ delete ChestEntity;
+ return false;
}
+ m_pState->BlockEntities.push_back( ChestEntity );
break;
+ }
+
case E_BLOCK_FURNACE:
+ {
+ cFurnaceEntity* FurnaceEntity = new cFurnaceEntity( 0, 0, 0, this );
+ if (!FurnaceEntity->LoadFromFile(f))
{
- cFurnaceEntity* FurnaceEntity = new cFurnaceEntity( 0, 0, 0, this );
- if( !FurnaceEntity->LoadFromFile( f ) )
- {
- LOGERROR("ERROR READING FURNACE FROM FILE %s", SourceFile );
- delete FurnaceEntity;
- fclose(f);
- return false;
- }
- m_pState->BlockEntities.push_back( FurnaceEntity );
- m_pState->TickBlockEntities.push_back( FurnaceEntity ); // They need tickin'
+ LOGERROR("ERROR READING FURNACE FROM FILE %s", SourceFile );
+ delete FurnaceEntity;
+ return false;
}
+ m_pState->BlockEntities.push_back( FurnaceEntity );
+ m_pState->TickBlockEntities.push_back( FurnaceEntity ); // They need tickin'
break;
+ }
+
case E_BLOCK_SIGN_POST:
case E_BLOCK_WALLSIGN:
+ {
+ cSignEntity * SignEntity = new cSignEntity(BlockType, 0, 0, 0, this );
+ if (!SignEntity->LoadFromFile( f ) )
{
- cSignEntity* SignEntity = new cSignEntity(BlockType, 0, 0, 0, this );
- if( !SignEntity->LoadFromFile( f ) )
- {
- LOGERROR("ERROR READING SIGN FROM FILE %s", SourceFile );
- delete SignEntity;
- fclose(f);
- return false;
- }
- m_pState->BlockEntities.push_back( SignEntity );
+ LOGERROR("ERROR READING SIGN FROM FILE %s", SourceFile );
+ delete SignEntity;
+ return false;
}
+ m_pState->BlockEntities.push_back( SignEntity );
break;
+ }
+
default:
+ {
+ assert(!"Unhandled block entity in file");
break;
}
}
- m_pState->BlockListCriticalSection.Unlock();
-
- fclose(f);
-
- // Delete old format file
- if( std::remove( SourceFile ) != 0 )
- LOGERROR("Could not delete file %s", SourceFile );
- else
- LOGINFO("Successfully deleted olf format file %s", SourceFile );
+ }
+ Lock.Unlock();
+ f.Close();
- return true;
+ // Delete old format file
+ if (std::remove(SourceFile) != 0)
+ {
+ LOGERROR("Could not delete file %s", SourceFile );
}
else
{
- //LOGWARN("COULD NOT OPEN FILE %s\n", SourceFile);
- return false;
+ LOGINFO("Successfully deleted old format file \"%s\"", SourceFile );
}
+ return true;
}
+
+
+
+
bool cChunk::SaveToDisk()
{
+ assert(!"Old save format not supported anymore"); // Remove the call to this function
+
return true; //no more saving old format!
+}
- char SourceFile[128];
- sprintf_s(SourceFile, 128, "world/X%i_Y%i_Z%i.bin", m_PosX, m_PosY, m_PosZ );
- #ifdef _WIN32
- {
- SECURITY_ATTRIBUTES Attrib;
- Attrib.nLength = sizeof(SECURITY_ATTRIBUTES);
- Attrib.lpSecurityDescriptor = NULL;
- Attrib.bInheritHandle = false;
- ::CreateDirectory("world", &Attrib);
- }
- #else
- {
- mkdir("world", S_IRWXU | S_IRWXG | S_IRWXO);
- }
- #endif
-
- FILE* f = 0;
-#ifdef _WIN32
- if( fopen_s(&f, SourceFile, "wb" ) == 0 ) // no error
- #else
- if( (f = fopen(SourceFile, "wb" )) != 0 ) // no error
- #endif
- {
- fwrite( m_BlockData, sizeof(char)*c_BlockDataSize, 1, f );
- m_pState->BlockListCriticalSection.Lock();
- // Now write Block Entities
- for( std::list<cBlockEntity*>::iterator itr = m_pState->BlockEntities.begin(); itr != m_pState->BlockEntities.end(); ++itr)
- {
- cBlockEntity* BlockEntity = *itr;
- switch( BlockEntity->GetBlockType() )
- {
- case E_BLOCK_CHEST:
- {
- cChestEntity* ChestEntity = reinterpret_cast< cChestEntity* >( BlockEntity );
- ChestEntity->WriteToFile( f );
- }
- break;
- case E_BLOCK_FURNACE:
- {
- cFurnaceEntity* FurnaceEntity = reinterpret_cast< cFurnaceEntity* >( BlockEntity );
- FurnaceEntity->WriteToFile( f );
- }
- break;
- case E_BLOCK_SIGN_POST:
- case E_BLOCK_WALLSIGN:
- {
- cSignEntity* SignEntity = reinterpret_cast< cSignEntity* >( BlockEntity );
- SignEntity->WriteToFile( f );
- }
- break;
- default:
- break;
- }
- }
- m_pState->BlockListCriticalSection.Unlock();
- fclose(f);
- return true;
- }
- else
- {
- LOGERROR("ERROR WRITING TO FILE %s", SourceFile);
- return false;
- }
-}
void cChunk::Broadcast( const cPacket & a_Packet, cClientHandle* a_Exclude /* = 0 */ ) const
{
for( std::list< cClientHandle* >::const_iterator itr = m_pState->LoadedByClient.begin(); itr != m_pState->LoadedByClient.end(); ++itr )
{
- if( *itr == a_Exclude ) continue;
+ if (*itr == a_Exclude)
+ {
+ continue;
+ }
(*itr)->Send( a_Packet );
- }
+ } // for itr - LoadedByClient[]
}
+
+
+
void cChunk::LoadFromJson( const Json::Value & a_Value )
{
- m_pState->BlockListCriticalSection.Lock();
+ cCSLock Lock(m_pState->BlockListCriticalSection);
+
// Load chests
Json::Value AllChests = a_Value.get("Chests", Json::nullValue);
- if( !AllChests.empty() )
+ if (!AllChests.empty())
{
for( Json::Value::iterator itr = AllChests.begin(); itr != AllChests.end(); ++itr )
{
@@ -1092,50 +1071,58 @@ void cChunk::LoadFromJson( const Json::Value & a_Value )
else m_pState->BlockEntities.push_back( SignEntity );
}
}
- m_pState->BlockListCriticalSection.Unlock();
}
+
+
+
+
void cChunk::SaveToJson( Json::Value & a_Value )
{
Json::Value AllChests;
Json::Value AllFurnaces;
Json::Value AllSigns;
- m_pState->BlockListCriticalSection.Lock();
- for( std::list<cBlockEntity*>::iterator itr = m_pState->BlockEntities.begin(); itr != m_pState->BlockEntities.end(); ++itr)
+ cCSLock Lock(m_pState->BlockListCriticalSection);
+ for (std::list<cBlockEntity*>::iterator itr = m_pState->BlockEntities.begin(); itr != m_pState->BlockEntities.end(); ++itr)
{
cBlockEntity* BlockEntity = *itr;
switch( BlockEntity->GetBlockType() )
{
- case E_BLOCK_CHEST:
+ case E_BLOCK_CHEST:
{
cChestEntity* ChestEntity = reinterpret_cast< cChestEntity* >( BlockEntity );
Json::Value NewChest;
ChestEntity->SaveToJson( NewChest );
AllChests.append( NewChest );
+ break;
}
- break;
- case E_BLOCK_FURNACE:
+
+ case E_BLOCK_FURNACE:
{
cFurnaceEntity* FurnaceEntity = reinterpret_cast< cFurnaceEntity* >( BlockEntity );
Json::Value NewFurnace;
FurnaceEntity->SaveToJson( NewFurnace );
AllFurnaces.append( NewFurnace );
+ break;
}
- break;
- case E_BLOCK_SIGN_POST:
- case E_BLOCK_WALLSIGN:
+
+ case E_BLOCK_SIGN_POST:
+ case E_BLOCK_WALLSIGN:
{
cSignEntity* SignEntity = reinterpret_cast< cSignEntity* >( BlockEntity );
Json::Value NewSign;
SignEntity->SaveToJson( NewSign );
AllSigns.append( NewSign );
+ break;
}
- break;
- default:
- break;
- }
- }
- m_pState->BlockListCriticalSection.Unlock();
+
+ default:
+ {
+ assert(!"Unhandled blocktype in BlockEntities list while saving to JSON");
+ break;
+ }
+ } // switch (BlockEntity->GetBlockType())
+ } // for itr - BlockEntities[]
if( !AllChests.empty() )
a_Value["Chests"] = AllChests;
@@ -1145,29 +1132,47 @@ void cChunk::SaveToJson( Json::Value & a_Value )
a_Value["Signs"] = AllSigns;
}
+
+
+
+
EntityList & cChunk::GetEntities()
{
return m_pState->Entities;
}
+
+
+
+
const ClientHandleList & cChunk::GetClients()
{
return m_pState->LoadedByClient;
}
+
+
+
void cChunk::AddTickBlockEntity( cFurnaceEntity* a_Entity )
{
m_pState->TickBlockEntities.remove( a_Entity );
m_pState->TickBlockEntities.push_back( a_Entity );
}
+
+
+
+
void cChunk::RemoveTickBlockEntity( cFurnaceEntity* a_Entity )
{
m_pState->TickBlockEntities.remove( a_Entity );
}
+
+
+
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;
@@ -1175,32 +1180,50 @@ void cChunk::PositionToWorldPosition(int a_ChunkX, int a_ChunkY, int a_ChunkZ, i
a_Z = m_PosZ * 16 + a_ChunkZ;
}
+
+
+
+
void cChunk::AddReference()
{
- m_pState->ReferenceCriticalSection.Lock();
+ cCSLock Lock(m_pState->ReferenceCriticalSection);
m_pState->NumRefs++;
- m_pState->ReferenceCriticalSection.Unlock();
}
+
+
+
+
void cChunk::RemoveReference()
{
- m_pState->ReferenceCriticalSection.Lock();
+ cCSLock Lock(m_pState->ReferenceCriticalSection);
m_pState->NumRefs--;
- if( m_pState->NumRefs < 0 )
+ assert (m_pState->NumRefs >= 0);
+ if (m_pState->NumRefs < 0)
{
LOGWARN("WARNING: cChunk: Tried to remove reference, but the chunk is not referenced!");
}
- m_pState->ReferenceCriticalSection.Unlock();
}
+
+
+
+
int cChunk::GetReferenceCount()
{
- m_pState->ReferenceCriticalSection.Lock();
+ cCSLock Lock(m_pState->ReferenceCriticalSection);
int Refs = m_pState->NumRefs;
- m_pState->ReferenceCriticalSection.Unlock();
return Refs;
}
+
+
+
+
#if !C_CHUNK_USE_INLINE
# include "cChunk.inc"
-#endif \ No newline at end of file
+#endif
+
+
+
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 11:41:25 +0100