void W_NWTDashMerge(char *filename)
{
wad_file_t *wad_file;
int old_numlumps;
int i;
old_numlumps = numlumps;
// Load PWAD
wad_file = W_AddFile(filename);
if (wad_file == NULL)
{
return;
}
// IWAD is at the start, PWAD was appended to the end
iwad.lumps = lumpinfo;
iwad.numlumps = old_numlumps;
pwad.lumps = lumpinfo + old_numlumps;
pwad.numlumps = numlumps - old_numlumps;
// Setup sprite/flat lists
SetupLists();
// Search through the IWAD sprites list.
for (i=0; i<iwad_sprites.numlumps; ++i)
{
if (FindInList(&pwad, iwad_sprites.lumps[i]->name) >= 0)
{
// Replace this entry with an empty string. This is what
// nwt -merge does.
M_StringCopy(iwad_sprites.lumps[i]->name, "", 8);
}
}
// Discard PWAD
// The PWAD must now be added in again with -file.
numlumps = old_numlumps;
W_CloseFile(wad_file);
}
//
// W_WadType
// Returns IWAD, PWAD or 0.
//
int W_WadType(char *filename)
{
wadinfo_t header;
wad_file_t *wad_file = W_OpenFile(filename);
if (!wad_file)
return 0;
W_Read(wad_file, 0, &header, sizeof(header));
W_CloseFile(wad_file);
if (!strncmp(header.identification, "IWAD", 4))
return IWAD;
else if (!strncmp(header.identification, "PWAD", 4))
return PWAD;
else
return 0;
}
// The Doom reload hack. The idea here is that if you give a WAD file to -file
// prefixed with the ~ hack, that WAD file will be reloaded each time a new
// level is loaded. This lets you use a level editor in parallel and make
// incremental changes to the level you're working on without having to restart
// the game after every change.
// But: the reload feature is a fragile hack...
void W_Reload(void)
{
char *filename;
lumpindex_t i;
if (reloadname == NULL)
{
return;
}
// We must free any lumps being cached from the PWAD we're about to reload:
for (i = reloadlump; i < numlumps; ++i)
{
if (lumpinfo[i]->cache != NULL)
{
Z_Free(lumpinfo[i]->cache);
}
}
// Reset numlumps to remove the reload WAD file:
numlumps = reloadlump;
// Now reload the WAD file.
filename = reloadname;
W_CloseFile(reloadhandle);
free(reloadlumps);
reloadname = NULL;
reloadlump = -1;
reloadhandle = NULL;
W_AddFile(filename);
free(filename);
// The WAD directory has changed, so we have to regenerate the
// fast lookup hashtable:
W_GenerateHashTable();
}