diff options
Diffstat (limited to '')
| -rw-r--r-- | source/cChunkMap.cpp | 598 |
1 files changed, 250 insertions, 348 deletions
diff --git a/source/cChunkMap.cpp b/source/cChunkMap.cpp index cb2b5f3f3..417b4a98e 100644 --- a/source/cChunkMap.cpp +++ b/source/cChunkMap.cpp @@ -3,7 +3,6 @@ #include "cChunkMap.h"
#include "cChunk.h"
-#include "cMCLogger.h"
#include "cWorld.h"
#include "cRoot.h"
#include "cMakeDir.h"
@@ -25,105 +24,24 @@ -cChunkMap::cChunkMap( int a_Width, int a_Height, cWorld* a_World )
- : m_Nodes( new cChunkNode[ a_Width * a_Height ] )
- , m_Width( a_Width )
- , m_Height( a_Height )
- , m_Layers( 0 )
+cChunkMap::cChunkMap(cWorld* a_World )
+ : m_Layers( 0 )
, m_NumLayers( 0 )
, m_World( a_World )
{
}
-cChunkMap::~cChunkMap()
-{
- delete [] m_Nodes;
-}
-cChunkMap::cChunkNode::cChunkNode()
-{
- m_Size = 0;
- m_Allocated = 0;
- m_Chunks = 0;
-}
-cChunkMap::cChunkNode::~cChunkNode()
-{
- if( m_Allocated > 0 )
- {
- for( unsigned int i = 0; i < m_Size; ++i )
- {
- delete m_Chunks[i];
- }
- delete [] m_Chunks;
- }
-// m_Chunks = 0;
-// m_Allocated = 0;
-// m_Size = 0;
-}
-void cChunkMap::cChunkNode::push_back( cChunk* a_Chunk )
-{
- if( m_Allocated == 0 )
- {
- resize( 1 );
- }
- if( m_Size >= m_Allocated )
- {
- resize( m_Allocated*2 );
- }
- m_Chunks[ m_Size ] = a_Chunk;
- m_Size++;
-}
-
-void cChunkMap::cChunkNode::resize( unsigned int a_NewSize )
+cChunkMap::~cChunkMap()
{
- cChunk** TempChunks = new cChunk*[a_NewSize];
- if( m_Allocated > 0 )
- {
-#ifdef USE_MEMCPY
- memcpy( TempChunks, m_Chunks, sizeof( cChunk* ) * m_Size );
-#else
- for( unsigned int i = 0; i < a_NewSize; ++i )
- TempChunks[i] = m_Chunks[i];
-#endif
- delete [] m_Chunks;
- }
- m_Chunks = TempChunks;
- m_Allocated = a_NewSize;
}
-void cChunkMap::cChunkNode::erase( cChunk* a_Chunk )
-{
- if( m_Size == 0 ) return;
- cChunk** TempChunks = new cChunk*[m_Size];
- unsigned int TempIdx = 0;
- for( unsigned int i = 0; i < m_Size; ++i )
- {
- if( m_Chunks[i] != a_Chunk )
- {
- TempChunks[TempIdx] = m_Chunks[i];
- TempIdx++;
- }
- }
- delete [] m_Chunks;
- m_Chunks = 0;
- if( TempIdx > 0 )
- {
- m_Chunks = new cChunk*[ TempIdx ];
-#ifdef USE_MEMCPY
- memcpy( m_Chunks, TempChunks, sizeof( cChunk* ) * TempIdx );
-#else
- for( unsigned int i = 0; i < TempIdx; ++i )
- m_Chunks[i] = TempChunks[i];
-#endif
- }
- delete [] TempChunks;
- m_Allocated = TempIdx;
- m_Size = TempIdx;
-}
+
+
cChunkMap::cChunkData* cChunkMap::cChunkLayer::GetChunk( int a_X, int a_Z )
{
@@ -135,6 +53,10 @@ cChunkMap::cChunkData* cChunkMap::cChunkLayer::GetChunk( int a_X, int a_Z ) return 0;
}
+
+
+
+
bool cChunkMap::RemoveLayer( cChunkLayer* a_Layer )
{
cChunkLayer* NewLayers = 0;
@@ -170,6 +92,10 @@ bool cChunkMap::RemoveLayer( cChunkLayer* a_Layer ) return true;
}
+
+
+
+
cChunkMap::cChunkLayer* cChunkMap::AddLayer( const cChunkLayer & a_Layer )
{
cChunkLayer* TempLayers = new cChunkLayer[m_NumLayers+1];
@@ -187,6 +113,10 @@ cChunkMap::cChunkLayer* cChunkMap::AddLayer( const cChunkLayer & a_Layer ) return NewLayer;
}
+
+
+
+
void cChunkMap::AddChunk( cChunk* a_Chunk )
{
/* // OLD
@@ -217,6 +147,10 @@ void cChunkMap::AddChunk( cChunk* a_Chunk ) FoundLayer->m_NumChunksLoaded++;
}
+
+
+
+
void cChunkMap::RemoveChunk( cChunk* a_Chunk )
{
/* // OLD
@@ -237,6 +171,10 @@ void cChunkMap::RemoveChunk( cChunk* a_Chunk ) }
}
+
+
+
+
void cChunkMap::CompressChunk( cChunkData* a_ChunkData )
{
if( a_ChunkData->m_LiveChunk )
@@ -280,12 +218,9 @@ void cChunkMap::CompressChunk( cChunkData* a_ChunkData ) }
}
-unsigned int cChunkMap::MakeHash( int a_X, int a_Z )
-{
- const unsigned int HashX = abs( a_X ) % m_Width;
- const unsigned int HashZ = abs( a_Z ) % m_Height;
- return HashX + HashZ * m_Width;
-}
+
+
+
cChunkMap::cChunkLayer* cChunkMap::GetLayerForChunk( int a_ChunkX, int a_ChunkZ )
{
@@ -294,6 +229,10 @@ cChunkMap::cChunkLayer* cChunkMap::GetLayerForChunk( int a_ChunkX, int a_ChunkZ return GetLayer( LayerX, LayerZ );
}
+
+
+
+
cChunkMap::cChunkLayer* cChunkMap::GetLayer( int a_LayerX, int a_LayerZ )
{
// Find layer in memory
@@ -314,94 +253,88 @@ cChunkMap::cChunkLayer* cChunkMap::GetLayer( int a_LayerX, int a_LayerZ ) return NewLayer;
}
+
+
+
+
cChunk* cChunkMap::GetChunk( int a_X, int a_Y, int a_Z )
{
- /* // OLD
- unsigned int Hash = MakeHash( a_X, a_Z );
- cChunkNode & Node = m_Nodes[ Hash ];
- cChunk** Chunks = Node.GetChunks();
- for( unsigned int i = 0; i < Node.size(); ++i )
+ cChunkLayer* Layer = GetLayerForChunk( a_X, a_Z );
+ if (Layer == NULL)
{
- if( Chunks[i]->GetPosX() == a_X && // Check if we found the right chunk
- Chunks[i]->GetPosY() == a_Y &&
- Chunks[i]->GetPosZ() == a_Z )
- {
- return Chunks[i];
- }
+ return NULL;
+ }
+
+ cChunkData* Data = Layer->GetChunk( a_X, a_Z );
+ if (Data->m_LiveChunk != NULL)
+ {
+ // Already loaded and alive
+ return Data->m_LiveChunk;
}
- */
- // NEW
- cChunkLayer* Layer = GetLayerForChunk( a_X, a_Z );
- if( Layer )
+ // Do we at least have the compressed chunk?
+ if (Data->m_Compressed == NULL)
{
- cChunkData* Data = Layer->GetChunk( a_X, a_Z );
- if( Data->m_LiveChunk ) return Data->m_LiveChunk;
+ return NULL;
+ }
- // Decompress cached chunk
- if( Data->m_Compressed )
+ // The chunk has been cached (loaded from file, but not decompressed):
+ uLongf DestSize = Data->m_UncompressedSize;
+ char* BlockData = new char[ DestSize ];
+ int errorcode = uncompress( (Bytef*)BlockData, &DestSize, (Bytef*)Data->m_Compressed, Data->m_CompressedSize );
+ if( Data->m_UncompressedSize != DestSize )
+ {
+ LOGWARN("Lulwtf, expected uncompressed size differs!");
+ delete [] BlockData;
+ }
+ else if( errorcode != Z_OK )
+ {
+ LOGERROR("ERROR: Decompressing chunk data! %i", errorcode );
+ switch( errorcode )
{
- uLongf DestSize = Data->m_UncompressedSize;
- char* BlockData = new char[ DestSize ];
- int errorcode = uncompress( (Bytef*)BlockData, &DestSize, (Bytef*)Data->m_Compressed, Data->m_CompressedSize );
- if( Data->m_UncompressedSize != DestSize )
- {
- LOGWARN("Lulwtf, expected uncompressed size differs!");
- delete [] BlockData;
- }
- else if( errorcode != Z_OK )
+ case Z_MEM_ERROR:
+ LOGERROR("Not enough memory");
+ break;
+ case Z_BUF_ERROR:
+ LOGERROR("Not enough room in output buffer");
+ break;
+ case Z_DATA_ERROR:
+ LOGERROR("Input data corrupted or incomplete");
+ break;
+ default:
+ break;
+ };
+
+ delete [] BlockData;
+ }
+ else
+ {
+ cChunk* Chunk = new cChunk(a_X, a_Y, a_Z, m_World);
+ memcpy( Chunk->m_BlockData, BlockData, cChunk::c_BlockDataSize );
+ Chunk->CalculateHeightmap();
+ Data->m_LiveChunk = Chunk;
+ Layer->m_NumChunksLoaded++;
+
+ if( DestSize > cChunk::c_BlockDataSize ) // We gots some extra data :D
+ {
+ LOGINFO("Parsing trailing JSON");
+ Json::Value root; // will contains the root value after parsing.
+ Json::Reader reader;
+ if( !reader.parse( BlockData + cChunk::c_BlockDataSize, root, false ) )
{
- LOGERROR("ERROR: Decompressing chunk data! %i", errorcode );
- switch( errorcode )
- {
- case Z_MEM_ERROR:
- LOGERROR("Not enough memory");
- break;
- case Z_BUF_ERROR:
- LOGERROR("Not enough room in output buffer");
- break;
- case Z_DATA_ERROR:
- LOGERROR("Input data corrupted or incomplete");
- break;
- default:
- break;
- };
-
- delete [] BlockData;
+ LOGERROR("Failed to parse trailing JSON!");
}
else
{
- cChunk* Chunk = new cChunk(a_X, a_Y, a_Z, m_World);
- memcpy( Chunk->m_BlockData, BlockData, cChunk::c_BlockDataSize );
- Chunk->CalculateHeightmap();
- Data->m_LiveChunk = Chunk;
- Layer->m_NumChunksLoaded++;
-
- if( DestSize > cChunk::c_BlockDataSize ) // We gots some extra data :D
- {
- LOGINFO("Parsing trailing JSON");
- Json::Value root; // will contains the root value after parsing.
- Json::Reader reader;
- if( !reader.parse( BlockData + cChunk::c_BlockDataSize, root, false ) )
- {
- LOGERROR("Failed to parse trailing JSON!");
- }
- else
- {
- //Json::StyledWriter writer;
- //LOGINFO("Trailing Json:" );
- //printf("%s", writer.write( root ).c_str() );
- Chunk->LoadFromJson( root );
- }
- }
-
- delete [] BlockData;
- delete [] Data->m_Compressed; Data->m_Compressed = 0; Data->m_CompressedSize = 0;
- return Chunk;
+ Chunk->LoadFromJson( root );
}
}
+
+ delete [] BlockData;
+ delete [] Data->m_Compressed; Data->m_Compressed = 0; Data->m_CompressedSize = 0;
+ return Chunk;
}
- return 0;
+ return NULL;
}
@@ -410,56 +343,26 @@ cChunk* cChunkMap::GetChunk( int a_X, int a_Y, int a_Z ) void cChunkMap::Tick( float a_Dt )
{
- /* // OLD
- for( int i = 0; i < m_Width*m_Height; ++i )
- {
- cChunkNode & Node = m_Nodes[ i ];
- cChunk** Chunks = Node.GetChunks();
- for( unsigned int i = 0; i < Node.size(); ++i )
- {
- Chunks[i]->Tick( a_Dt );
- }
- }
- */
-
- // NEW
- for( int l = 0; l < m_NumLayers; ++l )
+ for( int lay = 0; lay < m_NumLayers; ++lay )
{
for( int i = 0; i < LAYER_SIZE*LAYER_SIZE; ++i )
{
- cChunk* Chunk = m_Layers[l].m_Chunks[i].m_LiveChunk;
- if( Chunk )
+ cChunk* Chunk = m_Layers[lay].m_Chunks[i].m_LiveChunk;
+ if ( Chunk != NULL)
+ {
Chunk->Tick( a_Dt );
+ }
}
- }
+ } // for lay - m_Layers[]
}
+
+
+
+
void cChunkMap::UnloadUnusedChunks()
{
cWorld* World = m_World;
- /* // OLD
- for( int i = 0; i < m_Width*m_Height; ++i )
- {
- cChunkNode & Node = m_Nodes[ i ];
- cChunk** Chunks = Node.GetChunks();
- for( unsigned int i = 0; i < Node.size(); ++i )
- {
- if( Chunks[i]->GetClients().size() == 0 )
- {
- Chunks[i]->SaveToDisk();
- LOG("Unloading %p", Chunks[i] );
- World->RemoveSpread( Chunks[i] );
- cChunk* TheChunk = Chunks[i];
- RemoveChunk( TheChunk );
- delete TheChunk;
- //Node.erase( Chunks[i] );
- Chunks = Node.GetChunks(); // Chunks pointer is no longer valid, get a new one
- }
- }
- }
- */
-
- // NEW
for( int l = 0; l < m_NumLayers; ++l )
{
cChunkLayer & Layer = m_Layers[l];
@@ -468,7 +371,7 @@ void cChunkMap::UnloadUnusedChunks() cChunk* Chunk = Layer.m_Chunks[i].m_LiveChunk;
if( Chunk && Chunk->GetClients().size() == 0 && Chunk->GetReferenceCount() <= 0 )
{
- Chunk->SaveToDisk();
+ Chunk->SaveToDisk();
World->RemoveSpread( ptr_cChunk( Chunk ) );
RemoveChunk( Chunk );
delete Chunk;
@@ -495,25 +398,12 @@ void cChunkMap::UnloadUnusedChunks() }
}
+
+
+
+
bool cChunkMap::RemoveEntityFromChunk( cEntity & a_Entity, cChunk* a_CalledFrom /* = 0 */ )
{
- /* // OLD
- for( int i = 0; i < m_Width*m_Height; ++i )
- {
- cChunkNode & Node = m_Nodes[ i ];
- cChunk** Chunks = Node.GetChunks();
- for( unsigned int i = 0; i < Node.size(); ++i )
- {
- if( Chunks[i] != a_CalledFrom )
- {
- if( Chunks[i]->RemoveEntity( a_Entity, a_CalledFrom ) )
- return true;
- }
- }
- }
- */
-
- // NEW
for( int i = 0; i < m_NumLayers; ++i )
{
cChunkLayer & Layer = m_Layers[i];
@@ -532,18 +422,12 @@ bool cChunkMap::RemoveEntityFromChunk( cEntity & a_Entity, cChunk* a_CalledFrom return false;
}
+
+
+
+
void cChunkMap::SaveAllChunks()
{
- for( int i = 0; i < m_Width*m_Height; ++i )
- {
- cChunkNode & Node = m_Nodes[ i ];
- cChunk** Chunks = Node.GetChunks();
- for( unsigned int i = 0; i < Node.size(); ++i )
- {
- Chunks[i]->SaveToDisk();
- }
- }
-
for( int i = 0; i < m_NumLayers; ++i )
{
SaveLayer( &m_Layers[i] );
@@ -552,6 +436,8 @@ void cChunkMap::SaveAllChunks() +
+
/********************************
* Saving and loading
**/
@@ -567,77 +453,81 @@ void cChunkMap::SaveLayer( cChunkLayer* a_Layer ) FILE* f = 0;
#ifdef _WIN32
- if( fopen_s(&f, SourceFile, "wb" ) == 0 ) // no error
+ if (fopen_s(&f, SourceFile, "wb" ) != 0 ) // no error
#else
- if( (f = fopen(SourceFile, "wb" )) != 0 ) // no error
+ if( (f = fopen(SourceFile, "wb" )) == 0 ) // no error
#endif
{
- //---------------
- // Header
- char PakVersion = 1;
- char ChunkVersion = 1;
- fwrite( &PakVersion, sizeof(PakVersion), 1, f ); // pak version
- fwrite( &ChunkVersion, sizeof(ChunkVersion), 1, f ); // chunk version
-
- // Count number of chunks in layer
- short NumChunks = 0;
- for( int i = 0; i < LAYER_SIZE*LAYER_SIZE; ++i )
+ LOGERROR("ERROR: Could not write to file %s", SourceFile );
+ return;
+ }
+
+ //---------------
+ // Header
+ char PakVersion = 1;
+ char ChunkVersion = 1;
+ fwrite( &PakVersion, sizeof(PakVersion), 1, f ); // pak version
+ fwrite( &ChunkVersion, sizeof(ChunkVersion), 1, f ); // chunk version
+
+ // Count number of chunks in layer
+ short NumChunks = 0;
+ for( int i = 0; i < LAYER_SIZE*LAYER_SIZE; ++i )
+ {
+ if( a_Layer->m_Chunks[i].m_Compressed || a_Layer->m_Chunks[i].m_LiveChunk )
{
- if( a_Layer->m_Chunks[i].m_Compressed || a_Layer->m_Chunks[i].m_LiveChunk )
- NumChunks++;
+ NumChunks++;
}
+ }
- fwrite( &NumChunks, sizeof( NumChunks ), 1, f );
- LOG("Num Chunks in layer: %i", NumChunks );
+ fwrite( &NumChunks, sizeof( NumChunks ), 1, f );
+ LOG("Num Chunks in layer: %i", NumChunks );
- //---------------
- // Chunk headers
- for( int z = 0; z < LAYER_SIZE; ++z )
+ //---------------
+ // Chunk headers
+ for( int z = 0; z < LAYER_SIZE; ++z )
+ {
+ for( int x = 0; x < LAYER_SIZE; ++x )
{
- for( int x = 0; x < LAYER_SIZE; ++x )
+ cChunkData & Data = a_Layer->m_Chunks[x + z*LAYER_SIZE];
+ CompressChunk( &Data );
+ if( Data.m_Compressed || Data.m_LiveChunk )
{
- cChunkData & Data = a_Layer->m_Chunks[x + z*LAYER_SIZE];
- CompressChunk( &Data );
- if( Data.m_Compressed || Data.m_LiveChunk )
- {
- int ChunkX = a_Layer->m_X*LAYER_SIZE + x;
- int ChunkZ = a_Layer->m_Z*LAYER_SIZE + z;
- unsigned int Size = Data.m_CompressedSize; // Needs to be size of compressed data
- unsigned int USize = Data.m_UncompressedSize; // Uncompressed size
- fwrite( &ChunkX, sizeof( ChunkX ), 1, f );
- fwrite( &ChunkZ, sizeof( ChunkZ ), 1, f );
- fwrite( &Size, sizeof( Size ), 1, f );
- fwrite( &USize, sizeof( USize ), 1, f );
- }
+ int ChunkX = a_Layer->m_X*LAYER_SIZE + x;
+ int ChunkZ = a_Layer->m_Z*LAYER_SIZE + z;
+ unsigned int Size = Data.m_CompressedSize; // Needs to be size of compressed data
+ unsigned int USize = Data.m_UncompressedSize; // Uncompressed size
+ fwrite( &ChunkX, sizeof( ChunkX ), 1, f );
+ fwrite( &ChunkZ, sizeof( ChunkZ ), 1, f );
+ fwrite( &Size, sizeof( Size ), 1, f );
+ fwrite( &USize, sizeof( USize ), 1, f );
}
}
+ }
- //----------------
- // Chunk data
- for( int i = 0; i < LAYER_SIZE*LAYER_SIZE; ++i )
+ //----------------
+ // Chunk data
+ for( int i = 0; i < LAYER_SIZE*LAYER_SIZE; ++i )
+ {
+ char* Compressed = a_Layer->m_Chunks[i].m_Compressed;
+ if( Compressed )
{
- char* Compressed = a_Layer->m_Chunks[i].m_Compressed;
- if( Compressed )
+ fwrite( Compressed, a_Layer->m_Chunks[i].m_CompressedSize, 1, f );
+ if(a_Layer->m_Chunks[i].m_LiveChunk) // If there's a live chunk we have no need for compressed data
{
- fwrite( Compressed, a_Layer->m_Chunks[i].m_CompressedSize, 1, f );
- if(a_Layer->m_Chunks[i].m_LiveChunk) // If there's a live chunk we have no need for compressed data
- {
- delete [] a_Layer->m_Chunks[i].m_Compressed;
- a_Layer->m_Chunks[i].m_Compressed = 0;
- a_Layer->m_Chunks[i].m_CompressedSize = 0;
- }
+ delete [] a_Layer->m_Chunks[i].m_Compressed;
+ a_Layer->m_Chunks[i].m_Compressed = 0;
+ a_Layer->m_Chunks[i].m_CompressedSize = 0;
}
}
-
-
- fclose(f);
- }
- else
- {
- LOGERROR("ERROR: Could not write to file %s", SourceFile );
}
+
+ fclose(f);
}
+
+
+
+
cChunkMap::cChunkLayer* cChunkMap::LoadLayer(int a_LayerX, int a_LayerZ )
{
std::string WorldName = m_World->GetName();
@@ -647,80 +537,88 @@ cChunkMap::cChunkLayer* cChunkMap::LoadLayer(int a_LayerX, int a_LayerZ ) FILE* f = 0;
#ifdef _WIN32
- if( fopen_s(&f, SourceFile, "rb" ) == 0 ) // no error
+ if (fopen_s(&f, SourceFile, "rb" ) != 0 ) // no error
#else
- if( (f = fopen(SourceFile, "rb" )) != 0 ) // no error
+ if ((f = fopen(SourceFile, "rb" )) == 0 ) // no error
#endif
{
- char PakVersion = 0;
- char ChunkVersion = 0;
- if( fread( &PakVersion, sizeof(PakVersion), 1, f) != 1 ) { LOGERROR("ERROR 1 READING FROM FILE %s", SourceFile); fclose(f); return false; }
- if( PakVersion != 1 ) { LOGERROR("WRONG PAK VERSION!"); fclose(f); return 0; }
- if( fread( &ChunkVersion, sizeof(ChunkVersion), 1, f) != 1 ) { LOGERROR("ERROR 2 READING FROM FILE %s", SourceFile); fclose(f); return false; }
- if( ChunkVersion != 1 ) { LOGERROR("WRONG CHUNK VERSION!"); fclose(f); return 0; }
-
- short NumChunks = 0;
- if( fread( &NumChunks, sizeof(NumChunks), 1, f) != 1 ) { LOGERROR("ERROR 3 READING FROM FILE %s", SourceFile); fclose(f); return false; }
- LOG("Num chunks: %i", NumChunks );
- LOG("Source File: %s", SourceFile );
-
- cChunkLayer* Layer = new cChunkLayer( LAYER_SIZE*LAYER_SIZE );
- Layer->m_X = a_LayerX;
- Layer->m_Z = a_LayerZ;
- cChunkData** OrderedData = new cChunkData*[ NumChunks ]; // So we can loop over the chunks in the order they were loaded
- // Loop over all chunk headers
- for( short i = 0; i < NumChunks; ++i )
- {
- int ChunkX = 0;
- int ChunkZ = 0;
- if( fread( &ChunkX, sizeof(ChunkX), 1, f) != 1 ) { LOGERROR("ERROR 4 READING FROM FILE %s", SourceFile); fclose(f); return false; }
- if( fread( &ChunkZ, sizeof(ChunkZ), 1, f) != 1 ) { LOGERROR("ERROR 5 READING FROM FILE %s", SourceFile); fclose(f); return false; }
- cChunkData* Data = Layer->GetChunk( ChunkX, ChunkZ );
- if( Data )
- {
- if( fread( &Data->m_CompressedSize, sizeof(Data->m_CompressedSize), 1, f) != 1 ) { LOGERROR("ERROR 6 READING FROM FILE %s", SourceFile); fclose(f); return false; }
- if( fread( &Data->m_UncompressedSize, sizeof(Data->m_UncompressedSize), 1, f) != 1 ) { LOGERROR("ERROR 7 READING FROM FILE %s", SourceFile); fclose(f); return false; }
- }
- else
- {
- LOGERROR("Chunk with wrong coordinates in pak file! %i %i", ChunkX, ChunkZ );
- fclose(f);
- return 0;
- }
+ return NULL;
+ }
+
+ char PakVersion = 0;
+ char ChunkVersion = 0;
+ if( fread( &PakVersion, sizeof(PakVersion), 1, f) != 1 ) { LOGERROR("ERROR 1 READING FROM FILE %s", SourceFile); fclose(f); return false; }
+ if( PakVersion != 1 ) { LOGERROR("WRONG PAK VERSION!"); fclose(f); return 0; }
+ if( fread( &ChunkVersion, sizeof(ChunkVersion), 1, f) != 1 ) { LOGERROR("ERROR 2 READING FROM FILE %s", SourceFile); fclose(f); return false; }
+ if( ChunkVersion != 1 )
+ {
+ LOGERROR("WRONG CHUNK VERSION!");
+ fclose(f);
+ return NULL;
+ }
- OrderedData[i] = Data;
- }
+ short NumChunks = 0;
+ if( fread( &NumChunks, sizeof(NumChunks), 1, f) != 1 )
+ {
+ LOGERROR("ERROR 3 READING FROM FILE %s", SourceFile);
+ fclose(f);
+ return NULL;
+ }
+
+ LOG("Num chunks: %i", NumChunks );
+ LOG("Source File: %s", SourceFile );
- // Loop over chunks again, in the order they were loaded, and load their compressed data
- for( short i = 0; i < NumChunks; ++i )
+ cChunkLayer* Layer = new cChunkLayer( LAYER_SIZE*LAYER_SIZE );
+ Layer->m_X = a_LayerX;
+ Layer->m_Z = a_LayerZ;
+ cChunkData** OrderedData = new cChunkData*[ NumChunks ]; // So we can loop over the chunks in the order they were loaded
+
+ // Loop over all chunk headers
+ for( short i = 0; i < NumChunks; ++i )
+ {
+ int ChunkX = 0;
+ int ChunkZ = 0;
+ if( fread( &ChunkX, sizeof(ChunkX), 1, f) != 1 ) { LOGERROR("ERROR 4 READING FROM FILE %s", SourceFile); fclose(f); return false; }
+ if( fread( &ChunkZ, sizeof(ChunkZ), 1, f) != 1 ) { LOGERROR("ERROR 5 READING FROM FILE %s", SourceFile); fclose(f); return false; }
+ cChunkData* Data = Layer->GetChunk( ChunkX, ChunkZ );
+ if( Data )
{
- cChunkData* Data = OrderedData[i];
- Data->m_Compressed = new char[ Data->m_CompressedSize ];
- //printf("Compressed chunk size: %i\n",Data->m_CompressedSize);
- if( fread( Data->m_Compressed, Data->m_CompressedSize, 1, f) != 1 ) { LOGERROR("ERROR 8 READING FROM FILE %s", SourceFile); fclose(f); return false; }
-
- /* // Some testing...
- uLongf DestSize = Data->m_UncompressedSize;
- char* BlockData = new char[ DestSize ];
- int errorcode = uncompress( (Bytef*)BlockData, &DestSize, (Bytef*)Data->m_Compressed, Data->m_CompressedSize );
- if( errorcode != Z_OK )
- {
- LOGERROR("lulwut");
- }
- */
+ if( fread( &Data->m_CompressedSize, sizeof(Data->m_CompressedSize), 1, f) != 1 ) { LOGERROR("ERROR 6 READING FROM FILE %s", SourceFile); fclose(f); return false; }
+ if( fread( &Data->m_UncompressedSize, sizeof(Data->m_UncompressedSize), 1, f) != 1 ) { LOGERROR("ERROR 7 READING FROM FILE %s", SourceFile); fclose(f); return false; }
+ }
+ else
+ {
+ LOGERROR("Chunk with wrong coordinates in pak file! %i %i", ChunkX, ChunkZ );
+ fclose(f);
+ return NULL;
}
- delete [] OrderedData;
- fclose(f);
- return Layer;
+ OrderedData[i] = Data;
}
- else
+
+ // Loop over chunks again, in the order they were loaded, and load their compressed data
+ for( short i = 0; i < NumChunks; ++i )
{
- //LOGWARN("Could not open file %s", SourceFile );
+ cChunkData* Data = OrderedData[i];
+ Data->m_Compressed = new char[ Data->m_CompressedSize ];
+ //printf("Compressed chunk size: %i\n",Data->m_CompressedSize);
+ if( fread( Data->m_Compressed, Data->m_CompressedSize, 1, f) != 1 )
+ {
+ LOGERROR("ERROR 8 READING FROM FILE %s", SourceFile);
+ fclose(f);
+ return NULL;
+ }
}
- return 0;
+ delete [] OrderedData;
+
+ fclose(f);
+ return Layer;
}
+
+
+
+
int cChunkMap::GetNumChunks()
{
int NumChunks = 0;
@@ -729,4 +627,8 @@ int cChunkMap::GetNumChunks() NumChunks += m_Layers[i].m_NumChunksLoaded;
}
return NumChunks;
-}
\ No newline at end of file +}
+
+
+
+
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