93 lines
2.5 KiB
C++
93 lines
2.5 KiB
C++
#include "level.h"
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#include "baseentity.h"
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#include "brush.h"
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#include "engine.h"
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#include "filesystem.h"
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#include "interface.h"
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#include "tier1/utlbuffer.h"
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#include "tier1/utlstring.h"
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struct MapHeader_t
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{
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char id[8];
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uint32_t nEntities;
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};
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struct EntityHeader_t
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{
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uint32_t nTriangles;
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uint32_t nProperties;
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};
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interface CLevelManager: public ILevelManager
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{
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public:
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virtual void Init() override {}
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virtual void Frame() override {}
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virtual void Deinit() override {}
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virtual void LoadLevel( const char *szLevelName ) override;
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};
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DECLARE_ENGINE_INTERFACE(LevelManager, CLevelManager);
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//-----------------------------------------------------------------------------
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// Loads level from file, deserializes it and creates entities.
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//-----------------------------------------------------------------------------
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void CLevelManager::LoadLevel( const char *szLevelName )
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{
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FileHandle_t handle = FileSystem()->Open(CUtlString("%s.fmap",szLevelName), IFILE_READ);
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CUtlBuffer<char> mapdata(FileSystem()->Size(handle));
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FileSystem()->Read(handle, mapdata.GetMemory(), mapdata.GetSize());
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FileSystem()->Close(handle);
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MapHeader_t* pHeader = (MapHeader_t*)mapdata.GetMemory();
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char *pData = (char*)mapdata.GetMemory()+sizeof(MapHeader_t);
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for ( uint32_t i = 0; i < pHeader->nEntities; i++ )
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{
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CUtlBuffer<char> szEntityType(V_strlen(pData)+1);
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V_strcpy(szEntityType, pData);
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pData+=szEntityType.GetSize();
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EntityHeader_t* pEntityHeader = (EntityHeader_t*)pData;
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pData+=sizeof(EntityHeader_t);
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CBaseEntity *pEntity = IIEngine::SpawnEntity(szEntityType);
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if (!pEntity)
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continue;
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for ( uint32_t j = 0; j<pEntityHeader->nProperties; j++ )
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{
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CUtlBuffer<char> szParamName(V_strlen(pData)+1);
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V_strcpy(szParamName, pData);
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pData+=szParamName.GetSize();
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CUtlBuffer<char> szParamValue(V_strlen(pData)+1);
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V_strcpy(szParamValue, pData);
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pData+=szParamValue.GetSize();
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pEntity->ReadParameter(szParamName, szParamValue);
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};
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CBrushEntity *pBrush = dynamic_cast<CBrushEntity*>(pEntity);
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if (!pBrush)
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{
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IIEngine::InitEntity(pEntity);
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continue;
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}
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pBrush->m_mesh = CUtlVector<Triangle_t>(0);
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for ( uint32_t j = 0; j<pEntityHeader->nTriangles; j++ )
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{
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Triangle_t triangle = {};
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V_memcpy(triangle.location, pData, 4*9);
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pData+=4*9;
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V_memcpy(triangle.uv, pData, 4*6);
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pData+=4*6;
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CUtlBuffer<char> szTextureName(V_strlen(pData)+1);
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V_strcpy(szTextureName, pData);
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pData+=szTextureName.GetSize();
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pBrush->m_mesh.AppendTail(triangle);
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};
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IIEngine::InitEntity(pBrush);
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};
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};
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