Files
funnygame/engine/level.cpp
2025-05-26 17:44:50 +03:00

90 lines
2.3 KiB
C++

#include "level.h"
#include "baseentity.h"
#include "brush.h"
#include "engine.h"
#include "filesystem.h"
#include "tier1/utlbuffer.h"
#include "tier1/utlstring.h"
struct MapHeader_t
{
char id[8];
uint32_t nEntities;
};
struct EntityHeader_t
{
uint32_t nTriangles;
uint32_t nProperties;
};
void ILevel::LoadLevel( const char *szLevelName )
{
FileHandle_t handle = IFileSystem::Open(CUtlString("%s.fmap",szLevelName), IFILE_READ);
CUtlBuffer<char> mapdata(IFileSystem::Size(handle));
IFileSystem::Read(handle, mapdata.GetMemory(), mapdata.GetSize());
IFileSystem::Close(handle);
MapHeader_t* pHeader = (MapHeader_t*)mapdata.GetMemory();
char *pData = (char*)mapdata.GetMemory()+sizeof(MapHeader_t);
for ( uint32_t i = 0; i < pHeader->nEntities; i++ )
{
CUtlBuffer<char> szEntityType(V_strlen(pData)+1);
V_strcpy(szEntityType, pData);
pData+=szEntityType.GetSize();
EntityHeader_t* pEntityHeader = (EntityHeader_t*)pData;
pData+=sizeof(EntityHeader_t);
CBaseEntity *pEntity = NULL;
for (auto &entity: g_RegisteredEntities)
{
if (!V_strcmp(entity->m_szName, (char*)szEntityType.GetMemory()))
{
CBaseEntity *pEnt = entity->m_pfn();
g_entities.AppendTail(pEnt);
if (entity->m_pClientfn)
{
pEnt->pClientEntity = entity->m_pClientfn();
pEnt->pClientEntity->pEntity = pEnt;
}
pEntity = pEnt;
break;
}
}
for ( uint32_t j = 0; j<pEntityHeader->nProperties; j++ )
{
CUtlBuffer<char> szParamName(V_strlen(pData)+1);
V_strcpy(szParamName, pData);
pData+=szParamName.GetSize();
CUtlBuffer<char> szParamValue(V_strlen(pData)+1);
V_strcpy(szParamValue, pData);
pData+=szParamValue.GetSize();
};
CBrushEntity *pBrush = dynamic_cast<CBrushEntity*>(pEntity);
if (!pBrush)
{
pEntity->Spawn();
if (pEntity->pClientEntity)
pEntity->pClientEntity->Spawn();
continue;
}
pBrush->m_mesh = CUtlVector<Triangle_t>(0);
for ( uint32_t j = 0; j<pEntityHeader->nTriangles; j++ )
{
Triangle_t triangle = {};
V_memcpy(triangle.location, pData, 4*9);
pData+=4*9;
V_memcpy(triangle.uv, pData, 4*6);
pData+=4*6;
CUtlBuffer<char> szTextureName(V_strlen(pData)+1);
V_strcpy(szTextureName, pData);
pData+=szTextureName.GetSize();
pBrush->m_mesh.AppendTail(triangle);
};
pBrush->Spawn();
if (pBrush->pClientEntity)
pBrush->pClientEntity->Spawn();
};
};