1 files changed, 158 insertions, 0 deletions

diff --git a/apps/plugins/sdl/progs/quake/wad.c b/apps/plugins/sdl/progs/quake/wad.c
new file mode 100644
index 0000000000..c84f72c6d5
--- /dev/null
+++ b/apps/plugins/sdl/progs/quake/wad.c
@@ -0,0 +1,158 @@
+/*
+Copyright (C) 1996-1997 Id Software, Inc.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
+
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+*/
+// wad.c
+
+#include "quakedef.h"
+
+int                     wad_numlumps;
+lumpinfo_t      *wad_lumps;
+byte            *wad_base;
+
+void SwapPic (qpic_t *pic);
+
+/*
+==================
+W_CleanupName
+
+Lowercases name and pads with spaces and a terminating 0 to the length of
+lumpinfo_t->name.
+Used so lumpname lookups can proceed rapidly by comparing 4 chars at a time
+Space padding is so names can be printed nicely in tables.
+Can safely be performed in place.
+==================
+*/
+void W_CleanupName (char *in, char *out)
+{
+        int             i;
+        int             c;
+        
+        for (i=0 ; i<16 ; i++ )
+        {
+                c = in[i];
+                if (!c)
+                        break;
+                        
+                if (c >= 'A' && c <= 'Z')
+                        c += ('a' - 'A');
+                out[i] = c;
+        }
+        
+        for ( ; i< 16 ; i++ )
+                out[i] = 0;
+}
+
+
+
+/*
+====================
+W_LoadWadFile
+====================
+*/
+void W_LoadWadFile (char *filename)
+{
+        lumpinfo_t              *lump_p;
+        wadinfo_t               *header;
+        unsigned                i;
+        int                             infotableofs;
+        
+        wad_base = COM_LoadHunkFile (filename);
+        if (!wad_base)
+                Sys_Error ("W_LoadWadFile: couldn't load %s", filename);
+
+        header = (wadinfo_t *)wad_base;
+        
+        if (header->identification[0] != 'W'
+        || header->identification[1] != 'A'
+        || header->identification[2] != 'D'
+        || header->identification[3] != '2')
+                Sys_Error ("Wad file %s doesn't have WAD2 id\n",filename);
+                
+        wad_numlumps = LittleLong(header->numlumps);
+        infotableofs = LittleLong(header->infotableofs);
+        wad_lumps = (lumpinfo_t *)(wad_base + infotableofs);
+        
+        for (i=0, lump_p = wad_lumps ; i<wad_numlumps ; i++,lump_p++)
+        {
+                lump_p->filepos = LittleLong(lump_p->filepos);
+                lump_p->size = LittleLong(lump_p->size);
+                W_CleanupName (lump_p->name, lump_p->name);
+                if (lump_p->type == TYP_QPIC)
+                        SwapPic ( (qpic_t *)(wad_base + lump_p->filepos));
+        }
+}
+
+
+/*
+=============
+W_GetLumpinfo
+=============
+*/
+lumpinfo_t      *W_GetLumpinfo (char *name)
+{
+        int             i;
+        lumpinfo_t      *lump_p;
+        char    clean[16];
+        
+        W_CleanupName (name, clean);
+        
+        for (lump_p=wad_lumps, i=0 ; i<wad_numlumps ; i++,lump_p++)
+        {
+                if (!strcmp(clean, lump_p->name))
+                        return lump_p;
+        }
+        
+        Sys_Error ("W_GetLumpinfo: %s not found", name);
+        return NULL;
+}
+
+void *W_GetLumpName (char *name)
+{
+        lumpinfo_t      *lump;
+        
+        lump = W_GetLumpinfo (name);
+        
+        return (void *)(wad_base + lump->filepos);
+}
+
+void *W_GetLumpNum (int num)
+{
+        lumpinfo_t      *lump;
+        
+        if (num < 0 || num > wad_numlumps)
+                Sys_Error ("W_GetLumpNum: bad number: %i", num);
+                
+        lump = wad_lumps + num;
+        
+        return (void *)(wad_base + lump->filepos);
+}
+
+/*
+=============================================================================
+
+automatic byte swapping
+
+=============================================================================
+*/
+
+void SwapPic (qpic_t *pic)
+{
+        pic->width = LittleLong(pic->width);
+        pic->height = LittleLong(pic->height);  
+}