use hardcoded value instead of sizeof(tmap_info), since size depends on whether edito...
[btb/d2x.git] / main / bm.c
index 13633de..2818160 100644 (file)
--- a/main/bm.c
+++ b/main/bm.c
@@ -1,4 +1,4 @@
-/* $Id: bm.c,v 1.29 2003-03-25 10:17:05 btb Exp $ */
+/* $Id: bm.c,v 1.48 2005-03-16 23:06:14 btb Exp $ */
 /*
 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
@@ -16,23 +16,6 @@ COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  *
  * Bitmap and palette loading functions.
  *
- * Old Log:
- * Revision 1.1  1995/05/16  15:23:08  allender
- * Initial revision
- *
- * Revision 2.3  1995/03/14  16:22:04  john
- * Added cdrom alternate directory stuff.
- *
- * Revision 2.2  1995/03/07  16:51:48  john
- * Fixed robots not moving without edtiro bug.
- *
- * Revision 2.1  1995/03/06  15:23:06  john
- * New screen techniques.
- *
- * Revision 2.0  1995/02/27  11:27:05  john
- * New version 2.0, which has no anonymous unions, builds with
- * Watcom 10.0, and doesn't require parsing BITMAPS.TBL.
- *
  */
 
 #ifdef HAVE_CONFIG_H
@@ -80,8 +63,8 @@ ubyte AltSounds[MAX_SOUNDS];
 
 #ifdef EDITOR
 int Num_total_object_types;
-byte   ObjType[MAX_OBJTYPE];
-byte   ObjId[MAX_OBJTYPE];
+sbyte ObjType[MAX_OBJTYPE];
+sbyte ObjId[MAX_OBJTYPE];
 fix    ObjStrength[MAX_OBJTYPE];
 #endif
 
@@ -113,7 +96,7 @@ bitmap_index    ObjBitmaps[MAX_OBJ_BITMAPS];
 ushort          ObjBitmapPtrs[MAX_OBJ_BITMAPS];     // These point back into ObjBitmaps, since some are used twice.
 
 #ifdef FAST_FILE_IO
-#define tmap_info_read_n(ti, n, fp) cfread(ti, sizeof(tmap_info), n, fp)
+#define tmap_info_read_n(ti, n, fp) cfread(ti, TMAP_INFO_SIZE, n, fp)
 #else
 /*
  * reads n tmap_info structs from a CFILE
@@ -152,170 +135,6 @@ int tmap_info_read_n_d1(tmap_info *ti, int n, CFILE *fp)
        return i;
 }
 
-extern int Num_bitmap_files;
-int extra_bitmap_num;
-
-bitmap_index exitmodel_bm_load_sub( char * filename )
-{
-       bitmap_index bitmap_num;
-       grs_bitmap * new = &GameBitmaps[extra_bitmap_num];
-       ubyte newpal[256*3];
-       int iff_error;          //reference parm to avoid warning message
-
-       bitmap_num.index = 0;
-
-       //MALLOC( new, grs_bitmap, 1 );
-       iff_error = iff_read_bitmap(filename,new,BM_LINEAR,newpal);
-       new->bm_handle=0;
-       if (iff_error != IFF_NO_ERROR)          {
-               con_printf(CON_DEBUG, "Error loading exit model bitmap <%s> - IFF error: %s\n", filename, iff_errormsg(iff_error));
-               return bitmap_num;
-       }
-
-       if ( iff_has_transparency )
-               gr_remap_bitmap_good( new, newpal, iff_transparent_color, 254 );
-       else
-               gr_remap_bitmap_good( new, newpal, -1, 254 );
-
-       new->avg_color = 0;     //compute_average_pixel(new);
-
-       bitmap_num.index = extra_bitmap_num;
-
-       GameBitmaps[extra_bitmap_num++] = *new;
-
-       //d_free( new );
-       return bitmap_num;
-}
-
-grs_bitmap *load_exit_model_bitmap(char *name)
-{
-       Assert(N_ObjBitmaps < MAX_OBJ_BITMAPS);
-
-       {
-               ObjBitmaps[N_ObjBitmaps] = exitmodel_bm_load_sub(name);
-
-               if (ObjBitmaps[N_ObjBitmaps].index == 0)
-               {
-                       char *name2 = d_strdup(name);
-                       *strrchr(name2, '.') = '\0';
-                       ObjBitmaps[N_ObjBitmaps] = read_extra_d1_bitmap(name2);
-                       d_free(name2);
-               }
-               if (ObjBitmaps[N_ObjBitmaps].index == 0)
-                       return NULL;
-
-               if (GameBitmaps[ObjBitmaps[N_ObjBitmaps].index].bm_w!=64 || GameBitmaps[ObjBitmaps[N_ObjBitmaps].index].bm_h!=64)
-                       Error("Bitmap <%s> is not 64x64",name);
-               ObjBitmapPtrs[N_ObjBitmaps] = N_ObjBitmaps;
-               N_ObjBitmaps++;
-               Assert(N_ObjBitmaps < MAX_OBJ_BITMAPS);
-               return &GameBitmaps[ObjBitmaps[N_ObjBitmaps-1].index];
-       }
-}
-
-void
-bm_free_extra_bitmaps()
-{
-       int i;
-
-       for (i = Num_bitmap_files; i < extra_bitmap_num; i++)
-               d_free(GameBitmaps[i].bm_data);
-       extra_bitmap_num = Num_bitmap_files;
-}
-
-
-#ifdef OGL
-void ogl_cache_polymodel_textures(int model_num);
-#endif
-
-int load_exit_models()
-{
-       CFILE *exit_hamfile;
-       int start_num;
-
-       start_num = N_ObjBitmaps;
-       extra_bitmap_num = Num_bitmap_files;
-       if (!load_exit_model_bitmap("steel1.bbm") ||
-               !load_exit_model_bitmap("rbot061.bbm") ||
-               !load_exit_model_bitmap("rbot062.bbm") ||
-               !load_exit_model_bitmap("steel1.bbm") ||
-               !load_exit_model_bitmap("rbot061.bbm") ||
-               !load_exit_model_bitmap("rbot063.bbm"))
-       {
-               Warning("Can't load exit models!\n");
-               return 0;
-       }
-
-#ifndef MACINTOSH
-       exit_hamfile = cfopen("exit.ham","rb");
-#else
-       exit_hamfile = cfopen(":Data:exit.ham","rb");
-#endif
-       if (exit_hamfile) {
-               polymodel_read(&Polygon_models[exit_modelnum], exit_hamfile);
-               polymodel_read(&Polygon_models[destroyed_exit_modelnum], exit_hamfile);
-               Polygon_models[exit_modelnum].first_texture = start_num;
-               Polygon_models[destroyed_exit_modelnum].first_texture = start_num+3;
-
-               polygon_model_data_read(&Polygon_models[exit_modelnum], exit_hamfile);
-
-               polygon_model_data_read(&Polygon_models[destroyed_exit_modelnum], exit_hamfile);
-
-               cfclose(exit_hamfile);
-
-       } else if (cfexist("exit01.pof") && cfexist("exit01d.pof")) {
-
-               exit_modelnum = load_polygon_model("exit01.pof", 3, start_num, NULL);
-               destroyed_exit_modelnum = load_polygon_model("exit01d.pof", 3, start_num + 3, NULL);
-
-#ifdef OGL
-               ogl_cache_polymodel_textures(exit_modelnum);
-               ogl_cache_polymodel_textures(destroyed_exit_modelnum);
-#endif
-       }
-       else if (cfexist(D1_PIGFILE))
-       {
-               int offset, offset2;
-
-               exit_hamfile = cfopen(D1_PIGFILE, "rb");
-               switch (cfilelength(exit_hamfile)) { //total hack for loading models
-               case D1_PIGSIZE:
-                       offset = 91848;     /* and 92582  */
-                       offset2 = 383390;   /* and 394022 */
-                       break;
-               default:
-                       Int3();
-               case D1_SHAREWARE_10_PIGSIZE:
-               case D1_SHAREWARE_PIGSIZE:
-                       Int3();             /* exit models should be in .pofs */
-               case D1_OEM_PIGSIZE:
-               case D1_MAC_PIGSIZE:
-               case D1_MAC_SHARE_PIGSIZE:
-                       Warning("Can't load exit models!\n");
-                       return 0;
-                       break;
-               }
-               cfseek(exit_hamfile, offset, SEEK_SET);
-               polymodel_read(&Polygon_models[exit_modelnum], exit_hamfile);
-               polymodel_read(&Polygon_models[destroyed_exit_modelnum], exit_hamfile);
-               Polygon_models[exit_modelnum].first_texture = start_num;
-               Polygon_models[destroyed_exit_modelnum].first_texture = start_num+3;
-
-               cfseek(exit_hamfile, offset2, SEEK_SET);
-               polygon_model_data_read(&Polygon_models[exit_modelnum], exit_hamfile);
-               polygon_model_data_read(&Polygon_models[destroyed_exit_modelnum], exit_hamfile);
-
-               cfclose(exit_hamfile);
-       } else {
-               Warning("Can't load exit models!\n");
-               return 0;
-       }
-
-       atexit(bm_free_extra_bitmaps);
-
-       return 1;
-}
-
 
 //-----------------------------------------------------------------
 // Read data from piggy.
@@ -411,14 +230,14 @@ void bm_read_all(CFILE * fp)
        if (Piggy_hamfile_version < 3) {
                exit_modelnum = cfile_read_int(fp);
                destroyed_exit_modelnum = cfile_read_int(fp);
-       } else {
-               exit_modelnum = N_polygon_models++;
-               destroyed_exit_modelnum = N_polygon_models++;
-               Polygon_models[exit_modelnum].model_data = NULL;
-               Polygon_models[destroyed_exit_modelnum].model_data = NULL;
        }
+       else
+               exit_modelnum = destroyed_exit_modelnum = N_polygon_models;
 }
 
+// the following is old code for reading descent 1 textures.
+#if 0
+
 #define D1_MAX_TEXTURES 800
 #define D1_MAX_SOUNDS 250
 #define D1_MAX_VCLIPS 70
@@ -564,19 +383,41 @@ void bm_read_all_d1(CFILE * fp)
        /*destroyed_exit_modelnum = */ cfile_read_int(fp);
 }
 
+#endif // if 0, old code for reading descent 1 textures
+
 //these values are the number of each item in the release of d2
 //extra items added after the release get written in an additional hamfile
 #define N_D2_ROBOT_TYPES               66
 #define N_D2_ROBOT_JOINTS              1145
-#define N_D2_POLYGON_MODELS     166 + 2 // add 2 for exit models
+#define N_D2_POLYGON_MODELS     166
 #define N_D2_OBJBITMAPS                        422
 #define N_D2_OBJBITMAPPTRS             502
 #define N_D2_WEAPON_TYPES              62
 
-void bm_free_extra_robots()
+extern int Num_bitmap_files;
+int extra_bitmap_num = 0;
+
+void bm_free_extra_objbitmaps()
+{
+       int i;
+
+       if (!extra_bitmap_num)
+               extra_bitmap_num = Num_bitmap_files;
+
+       for (i = Num_bitmap_files; i < extra_bitmap_num; i++)
+       {
+               N_ObjBitmaps--;
+               d_free(GameBitmaps[i].bm_data);
+       }
+       extra_bitmap_num = Num_bitmap_files;
+}
+
+void bm_free_extra_models()
 {
        while (N_polygon_models > N_D2_POLYGON_MODELS)
                free_model(&Polygon_models[--N_polygon_models]);
+       while (N_polygon_models > exit_modelnum)
+               free_model(&Polygon_models[--N_polygon_models]);
 }
 
 //type==1 means 1.1, type==2 means 1.2 (with weapons)
@@ -599,7 +440,8 @@ void bm_read_extra_robots(char *fname,int type)
        else
                version = 0;
 
-       bm_free_extra_robots();
+       bm_free_extra_models();
+       bm_free_extra_objbitmaps();
 
        //read extra weapons
 
@@ -698,9 +540,9 @@ void load_robot_replacements(char *level_name)
                i = cfile_read_int(fp);         //read model number
                if (i<0 || i>=N_polygon_models)
                        Error("Polygon model (%d) out of range in (%s).  Range = [0..%d].",i,level_name,N_polygon_models-1);
-               polymodel_read(&Polygon_models[i], fp);
 
                free_model(&Polygon_models[i]);
+               polymodel_read(&Polygon_models[i], fp);
                polygon_model_data_read(&Polygon_models[i], fp);
 
                Dying_modelnums[i] = cfile_read_int(fp);
@@ -724,4 +566,175 @@ void load_robot_replacements(char *level_name)
        }
 
        cfclose(fp);
+       Robot_replacements_loaded = 1;
+}
+
+
+/*
+ * Routines for loading exit models
+ *
+ * Used by d1 levels (including some add-ons), and by d2 shareware.
+ * Could potentially be used by d2 add-on levels, but only if they
+ * don't use "extra" robots...
+ */
+
+// formerly exitmodel_bm_load_sub
+bitmap_index read_extra_bitmap_iff( char * filename )
+{
+       bitmap_index bitmap_num;
+       grs_bitmap * new = &GameBitmaps[extra_bitmap_num];
+       ubyte newpal[256*3];
+       int iff_error;          //reference parm to avoid warning message
+
+       bitmap_num.index = 0;
+
+       //MALLOC( new, grs_bitmap, 1 );
+       iff_error = iff_read_bitmap(filename,new,BM_LINEAR,newpal);
+       new->bm_handle=0;
+       if (iff_error != IFF_NO_ERROR)          {
+               con_printf(CON_DEBUG, "Error loading exit model bitmap <%s> - IFF error: %s\n", filename, iff_errormsg(iff_error));
+               return bitmap_num;
+       }
+
+       if ( iff_has_transparency )
+               gr_remap_bitmap_good( new, newpal, iff_transparent_color, 254 );
+       else
+               gr_remap_bitmap_good( new, newpal, -1, 254 );
+
+       new->avg_color = 0;     //compute_average_pixel(new);
+
+       bitmap_num.index = extra_bitmap_num;
+
+       GameBitmaps[extra_bitmap_num++] = *new;
+
+       //d_free( new );
+       return bitmap_num;
+}
+
+// formerly load_exit_model_bitmap
+grs_bitmap *bm_load_extra_objbitmap(char *name)
+{
+       Assert(N_ObjBitmaps < MAX_OBJ_BITMAPS);
+
+       {
+               ObjBitmaps[N_ObjBitmaps] = read_extra_bitmap_iff(name);
+
+               if (ObjBitmaps[N_ObjBitmaps].index == 0)
+               {
+                       char *name2 = d_strdup(name);
+                       *strrchr(name2, '.') = '\0';
+                       ObjBitmaps[N_ObjBitmaps] = read_extra_bitmap_d1_pig(name2);
+                       d_free(name2);
+               }
+               if (ObjBitmaps[N_ObjBitmaps].index == 0)
+                       return NULL;
+
+               if (GameBitmaps[ObjBitmaps[N_ObjBitmaps].index].bm_w!=64 || GameBitmaps[ObjBitmaps[N_ObjBitmaps].index].bm_h!=64)
+                       Error("Bitmap <%s> is not 64x64",name);
+               ObjBitmapPtrs[N_ObjBitmaps] = N_ObjBitmaps;
+               N_ObjBitmaps++;
+               Assert(N_ObjBitmaps < MAX_OBJ_BITMAPS);
+               return &GameBitmaps[ObjBitmaps[N_ObjBitmaps-1].index];
+       }
+}
+
+#ifdef OGL
+void ogl_cache_polymodel_textures(int model_num);
+#endif
+
+int load_exit_models()
+{
+       CFILE *exit_hamfile;
+       int start_num;
+
+       bm_free_extra_models();
+       bm_free_extra_objbitmaps();
+
+       start_num = N_ObjBitmaps;
+       if (!bm_load_extra_objbitmap("steel1.bbm") ||
+               !bm_load_extra_objbitmap("rbot061.bbm") ||
+               !bm_load_extra_objbitmap("rbot062.bbm") ||
+               !bm_load_extra_objbitmap("steel1.bbm") ||
+               !bm_load_extra_objbitmap("rbot061.bbm") ||
+               !bm_load_extra_objbitmap("rbot063.bbm"))
+       {
+               con_printf(CON_NORMAL, "Can't load exit models!\n");
+               return 0;
+       }
+
+#ifndef MACINTOSH
+       exit_hamfile = cfopen("exit.ham","rb");
+#else
+       exit_hamfile = cfopen(":Data:exit.ham","rb");
+#endif
+       if (exit_hamfile) {
+               exit_modelnum = N_polygon_models++;
+               destroyed_exit_modelnum = N_polygon_models++;
+               polymodel_read(&Polygon_models[exit_modelnum], exit_hamfile);
+               polymodel_read(&Polygon_models[destroyed_exit_modelnum], exit_hamfile);
+               Polygon_models[exit_modelnum].first_texture = start_num;
+               Polygon_models[destroyed_exit_modelnum].first_texture = start_num+3;
+
+               polygon_model_data_read(&Polygon_models[exit_modelnum], exit_hamfile);
+
+               polygon_model_data_read(&Polygon_models[destroyed_exit_modelnum], exit_hamfile);
+
+               cfclose(exit_hamfile);
+
+       } else if (cfexist("exit01.pof") && cfexist("exit01d.pof")) {
+
+               exit_modelnum = load_polygon_model("exit01.pof", 3, start_num, NULL);
+               destroyed_exit_modelnum = load_polygon_model("exit01d.pof", 3, start_num + 3, NULL);
+
+#ifdef OGL
+               ogl_cache_polymodel_textures(exit_modelnum);
+               ogl_cache_polymodel_textures(destroyed_exit_modelnum);
+#endif
+       }
+       else if (cfexist(D1_PIGFILE))
+       {
+               int offset, offset2;
+               int hamsize;
+
+               exit_hamfile = cfopen(D1_PIGFILE, "rb");
+               hamsize = cfilelength(exit_hamfile);
+               switch (hamsize) { //total hack for loading models
+               case D1_PIGSIZE:
+                       offset = 91848;     /* and 92582  */
+                       offset2 = 383390;   /* and 394022 */
+                       break;
+               default:
+               case D1_SHARE_BIG_PIGSIZE:
+               case D1_SHARE_10_PIGSIZE:
+               case D1_SHARE_PIGSIZE:
+               case D1_10_BIG_PIGSIZE:
+               case D1_10_PIGSIZE:
+                       Int3();             /* exit models should be in .pofs */
+               case D1_OEM_PIGSIZE:
+               case D1_MAC_PIGSIZE:
+               case D1_MAC_SHARE_PIGSIZE:
+                       con_printf(CON_NORMAL, "Can't load exit models!\n");
+                       return 0;
+               }
+               cfseek(exit_hamfile, offset, SEEK_SET);
+               exit_modelnum = N_polygon_models++;
+               destroyed_exit_modelnum = N_polygon_models++;
+               polymodel_read(&Polygon_models[exit_modelnum], exit_hamfile);
+               polymodel_read(&Polygon_models[destroyed_exit_modelnum], exit_hamfile);
+               Polygon_models[exit_modelnum].first_texture = start_num;
+               Polygon_models[destroyed_exit_modelnum].first_texture = start_num+3;
+
+               cfseek(exit_hamfile, offset2, SEEK_SET);
+               polygon_model_data_read(&Polygon_models[exit_modelnum], exit_hamfile);
+               polygon_model_data_read(&Polygon_models[destroyed_exit_modelnum], exit_hamfile);
+
+               cfclose(exit_hamfile);
+       } else {
+               con_printf(CON_NORMAL, "Can't load exit models!\n");
+               return 0;
+       }
+
+       atexit(bm_free_extra_objbitmaps);
+
+       return 1;
 }