char *COM_FindFile(const char *Filename, int* FileLength)
{
if (!Filename)
return NULL;
searchpath_t *Jogger;
for (Jogger = COM_Searchpaths; Jogger != NULL; Jogger = Jogger->Next)
{
pack_t *CurrentPak = Jogger->Pack;
for (int i = 0; i < CurrentPak->NumberOfFiles; i++)
{
if (!strcmp(Filename, CurrentPak->PakFiles[i].FileName))
{
Sys_FileSeek(CurrentPak->PackHandle, CurrentPak->PakFiles[i].FilePosition);
char *FileData = (char *)malloc(CurrentPak->PakFiles[i].FileLength);
Sys_FileRead(CurrentPak->PackHandle, FileData, CurrentPak->PakFiles[i].FileLength);
if (FileLength)
*FileLength = CurrentPak->PakFiles[i].FileLength;
return (char*)FileData;
}
}
}
return NULL;
}
pack_t *COM_LoadPackFile(char *PakFile)
{
int PakSize;
int PakHandle = Sys_FileOpenRead(PakFile, &PakSize);
if (PakHandle == -1)
{
return NULL;
}
dpackheader_t PakHeader;
Sys_FileRead(PakHandle, &PakHeader, sizeof(PakHeader));
if (PakHeader.Magic[0] != 'P' || PakHeader.Magic[1] != 'A' || PakHeader.Magic[2] != 'C' || PakHeader.Magic[3] != 'K')
{
return NULL;
}
int NumPackFiles = PakHeader.DirectoryLength / sizeof(dpackfile_t);
packfile_t* FilesInMemory = malloc(NumPackFiles * sizeof(packfile_t));
Sys_FileSeek(PakHandle, PakHeader.DirectoryOffset);
dpackfile_t TempPackFile[MAX_FILES_IN_PACK];
Sys_FileRead(PakHandle, (void *)TempPackFile, PakHeader.DirectoryLength);
for (int i = 0; i < NumPackFiles; i++)
{
strcpy_s(FilesInMemory[i].FileName, 56, TempPackFile[i].FileName);
FilesInMemory[i].FileLength = TempPackFile[i].FileLength;
FilesInMemory[i].FilePosition = TempPackFile[i].FilePosition;
}
pack_t *Pak0 = (void*)malloc(sizeof(pack_t));
strcpy_s(Pak0->PackName, 64, PakFile);
Pak0->PackHandle = PakHandle;
Pak0->NumberOfFiles = NumPackFiles;
Pak0->PakFiles = FilesInMemory;
return Pak0;
}
int Mod_FindExternalVIS (loadedfile_t *brush_fileinfo)
{
char visfilename[1024];
int fhandle;
int len, i, pos;
searchpath_t *s_vis;
vispatch_t header;
char mapname[VISPATCH_MAPNAME_LENGTH+5]; // + ".vis" + EoS
fhandle = -1;
if (external_vis->value)
{
// check for a .VIS file
strcpy(visfilename, loadmodel->name);
COM_StripExtension(visfilename, visfilename);
strcat(visfilename, ".vis");
len = COM_OpenFile (visfilename, &fhandle, &s_vis);
if (fhandle == -1) // check for a .VIS file with map's directory name (e.g. ID1.VIS)
{
strcpy(visfilename, "maps/");
strcat(visfilename, COM_SkipPath(brush_fileinfo->path->filename));
strcat(visfilename, ".vis");
len = COM_OpenFile (visfilename, &fhandle, &s_vis);
}
if (fhandle >= 0)
{
// check file for size
if (len <= 0)
{
COM_CloseFile(fhandle);
fhandle = -1;
}
}
if (fhandle >= 0)
{
// search map in visfile
strncpy(mapname, loadname, VISPATCH_MAPNAME_LENGTH);
mapname[VISPATCH_MAPNAME_LENGTH] = 0;
strcat(mapname, ".bsp");
pos = 0;
while ((i = Sys_FileRead (fhandle, &header, sizeof(struct vispatch_s))) == sizeof(struct vispatch_s))
{
header.filelen = LittleLong(header.filelen);
pos += i;
if (!Q_strncasecmp (header.mapname, mapname, VISPATCH_MAPNAME_LENGTH)) // found
{
break;
}
pos += header.filelen;
Sys_FileSeek(fhandle, pos);
}
if (i != sizeof(struct vispatch_s))
{
COM_CloseFile(fhandle);
fhandle = -1;
}
}
if (fhandle >= 0)
{
Con_DPrintf("%s for %s loaded from %s\n", visfilename, mapname, s_vis->pack ? s_vis->pack->filename : s_vis->filename);
}
}
return fhandle;
}
