Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================//
#include "map_shared.h"
#include "bsplib.h"
#include "cmdlib.h"
CMapError g_MapError;
int g_nMapFileVersion;
//-----------------------------------------------------------------------------
// Purpose:
// Input : *szKey -
// *szValue -
// *pLoadEntity -
// Output : ChunkFileResult_t
//-----------------------------------------------------------------------------
ChunkFileResult_t LoadEntityKeyCallback(const char *szKey, const char *szValue, LoadEntity_t *pLoadEntity)
{
if (!stricmp(szKey, "classname"))
{
if (!stricmp(szValue, "func_detail"))
{
pLoadEntity->nBaseContents = CONTENTS_DETAIL;
}
else if (!stricmp(szValue, "func_ladder"))
{
pLoadEntity->nBaseContents = CONTENTS_LADDER;
}
else if (!stricmp(szValue, "func_water"))
{
pLoadEntity->nBaseContents = CONTENTS_WATER;
}
}
else if (!stricmp(szKey, "id"))
{
// UNDONE: flag entity errors by ID instead of index
//g_MapError.EntityState( atoi( szValue ) );
// rename this field since DME code uses this name
SetKeyValue( pLoadEntity->pEntity, "hammerid", szValue );
return(ChunkFile_Ok);
}
else if( !stricmp( szKey, "mapversion" ) )
{
// .vmf map revision number
g_MapRevision = atoi( szValue );
SetKeyValue( pLoadEntity->pEntity, szKey, szValue );
return ( ChunkFile_Ok );
}
SetKeyValue( pLoadEntity->pEntity, szKey, szValue );
return(ChunkFile_Ok);
}
static ChunkFileResult_t LoadEntityCallback( CChunkFile *pFile, int nParam )
{
if (num_entities == MAX_MAP_ENTITIES)
{
// Exits.
g_MapError.ReportError ("num_entities == MAX_MAP_ENTITIES");
}
entity_t *mapent = &entities[num_entities];
num_entities++;
memset(mapent, 0, sizeof(*mapent));
mapent->numbrushes = 0;
LoadEntity_t LoadEntity;
LoadEntity.pEntity = mapent;
// No default flags/contents
LoadEntity.nBaseFlags = 0;
LoadEntity.nBaseContents = 0;
//
// Read the entity chunk.
//
ChunkFileResult_t eResult = pFile->ReadChunk((KeyHandler_t)LoadEntityKeyCallback, &LoadEntity);
return eResult;
}
bool LoadEntsFromMapFile( char const *pFilename )
{
//
// Dummy this up for the texture handling. This can be removed when old .MAP file
// support is removed.
//
g_nMapFileVersion = 400;
//
// Open the file.
//
CChunkFile File;
ChunkFileResult_t eResult = File.Open( pFilename, ChunkFile_Read );
if(eResult == ChunkFile_Ok)
{
num_entities = 0;
//
// Set up handlers for the subchunks that we are interested in.
//
CChunkHandlerMap Handlers;
Handlers.AddHandler("entity", (ChunkHandler_t)LoadEntityCallback, 0);
File.PushHandlers(&Handlers);
//
// Read the sub-chunks. We ignore keys in the root of the file.
//
while (eResult == ChunkFile_Ok)
{
eResult = File.ReadChunk();
}
File.PopHandlers();
return true;
}
else
{
Error("Error in LoadEntsFromMapFile (in-memory file): %s.\n", File.GetErrorText(eResult));
return false;
}
}