void dxModel::Load(const char * filename, bool fullpath)
{
Free();
FS_Change(FS_LOADING);
loading_percent = 0;
StrPool_Clear();
DX_SAFE_FREE(mod_base); //free old map
char fullfilename[MAX_PATH];
if (fullpath)
{
static char temp[MAX_PATH];
static char dirname[MAX_PATH];
Str_ExtractDirName(filename, temp);
Str_ExtractDirName(temp, dirname);
Str_ExtractDirName(dirname, temp);
strcat_s(temp, "\\valve");
sysvar.basedir = dirname;
sysvar.basedir_valve = temp;
strcpy_s(fullfilename, filename);
}
else
{
sysvar.basedir = default_basedir;
sysvar.basedir = default_basedir;
sprintf_s(fullfilename, MAX_PATH, "%s\\maps\\%s.bsp", sysvar.basedir, filename);
}
FILE * f = NULL;
fopen_s(&f, fullfilename, "rb");
if (!f)
{
Sys_Error("could not open file %s", fullfilename);
}
fseek(f, 0, SEEK_END);
long filesize = ftell(f);
fseek(f, 0, SEEK_SET);
mod_base = (char*)DX_MEM_ALLOC(filesize);
if (!mod_base)
{
fclose(f);
Sys_Error("could not alloc memory");
}
fread(mod_base, 1, filesize, f);
fclose(f);
dheader_s * header = (dheader_s*)mod_base;
int v = Swap_LittleLong(header->version);
if (v != BSPVERSION)
{
Sys_Error("bad bsp version");
}
for (int i = 0; i < HEADER_LUMPS; i++)
{
header->lumps[i].fileofs = Swap_LittleLong(header->lumps[i].fileofs);
header->lumps[i].filelen = Swap_LittleLong(header->lumps[i].filelen);
}
UpdateLoadingPercent(6);
//load entities first, we need wad file list
LoadEntities(&header->lumps[LUMP_ENTITIES]); UpdateLoadingPercent(12);
LoadVertexes(&header->lumps[LUMP_VERTEXES]); UpdateLoadingPercent(18);
LoadEdges(&header->lumps[LUMP_EDGES]); UpdateLoadingPercent(24);
LoadSurfedges(&header->lumps[LUMP_SURFEDGES]); UpdateLoadingPercent(30);
LoadTextures(&header->lumps[LUMP_TEXTURES]); UpdateLoadingPercent(36);
LoadLighting(&header->lumps[LUMP_LIGHTING]); UpdateLoadingPercent(42);
LoadPlanes(&header->lumps[LUMP_PLANES]); UpdateLoadingPercent(48);
LoadTexinfo(&header->lumps[LUMP_TEXINFO]); UpdateLoadingPercent(54);
LoadFaces(&header->lumps[LUMP_FACES]); UpdateLoadingPercent(60);
LoadMarksurfaces(&header->lumps[LUMP_MARKSURFACES]); UpdateLoadingPercent(66);
LoadVisibility(&header->lumps[LUMP_VISIBILITY]); UpdateLoadingPercent(72);
LoadLeafs(&header->lumps[LUMP_LEAFS]); UpdateLoadingPercent(78);
LoadNodes(&header->lumps[LUMP_NODES]); UpdateLoadingPercent(84);
LoadClipnodes(&header->lumps[LUMP_CLIPNODES]); UpdateLoadingPercent(90);
LoadSubmodels(&header->lumps[LUMP_MODELS]); UpdateLoadingPercent(100);
LoadSky();
DX_SAFE_FREE(mod_base);
visleafs = numleafs;
if (numsubmodels > 0)
{
visleafs = submodels[0].visleafs;
}
InitViewer();
loaded = true;
FS_Change(FS_DEMO);
}
int
Map_Load (const char *name)
{
int direxists;
map_error = NULL;
memset (&loadmap, 0, sizeof(loadmap));
if (Data_IsDir(name, &direxists) && direxists)
{
loaddir = name;
Get = GetFromDir;
}
else
{
/* no directory with the map name; try a pak */
const char *ext = ".pak";
char path[2048];
if (strlen(name) > (sizeof(path) - strlen(ext) - 1))
return Error("map name too long");
strcpy (path, name);
strcat (path, ext);
if ((loadpak = Pak_Open(path)) == NULL)
return Error("unable to open \"%s\"", path);
Get = GetFromPak;
}
if (!LoadPlanes())
goto failed;
if (!LoadVertices())
goto failed;
if (!LoadEdges())
goto failed;
if (!LoadEdgeLoops())
goto failed;
if (!LoadSurfaces())
goto failed;
if (!LoadPortals())
goto failed;
if (!LoadNodes())
goto failed;
if (!LoadLeafs())
goto failed;
if (!LoadTextures())
goto failed;
/* success; get rid of current map & switch over */
Map_Unload ();
map = loadmap;
memset (&loadmap, 0, sizeof(loadmap));
Get = NULL;
loadpak = Pak_Close (loadpak);
loaddir = NULL;
return 1;
failed:
/* failure; keep the currently-loaded map running */
FreeMap (&loadmap);
Get = NULL;
loadpak = Pak_Close (loadpak);
loaddir = NULL;
return 0;
}
