main/gamepal.c

   1 /*
   2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
   3 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
   4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
   5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
   6 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
   7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
   8 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
   9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
  10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
  11 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
  12 */
  13
  14 #ifdef HAVE_CONFIG_H
  15 #include <conf.h>
  16 #endif
  17
  18 #include <string.h>
  19 #include <stdlib.h>
  20 #include <math.h>
  21
  22 #include "pa_enabl.h"                   //$$POLY_ACC
  23 #include "fix.h"
  24 #include "vecmat.h"
  25 #include "gr.h"
  26 #include "3d.h"
  27 #include "palette.h"
  28 #include "rle.h"
  29
  30 #include "inferno.h"
  31 #include "gamepal.h"
  32 #include "mission.h"
  33 #include "newmenu.h"
  34 #include "texmerge.h"
  35 #include "piggy.h"
  36 #include "strutil.h"
  37
  38 #if defined(POLY_ACC)
  39 #include "poly_acc.h"
  40 #endif
  41
  42 extern void g3_remap_interp_colors();
  43
  44 char Current_level_palette[FILENAME_LEN];
  45
  46 extern int Color_0_31_0, HUD_color;
  47
  48 //give a filename a new extension
  49 void change_filename_ext( char *dest, char *src, char *ext )
  50 {
  51         char *p;
  52
  53         strcpy (dest, src);
  54
  55         if (ext[0] == '.')
  56                 ext++;
  57
  58         p = strchr(dest,'.');
  59         if (!p) {
  60                 p = dest + strlen(dest);
  61                 *p = '.';
  62         }
  63
  64         strcpy(p+1,ext);
  65 }
  66
  67 //background for boxed messages
  68 typedef struct bkg {
  69         short x, y, w, h;                       // The location of the menu.
  70         grs_bitmap * bmp;                       // The background under the menu.
  71 } bkg;
  72
  73 extern bkg bg;
  74
  75 void load_background_bitmap(void);
  76
  77 char last_palette_loaded[FILENAME_LEN]="";
  78 char last_palette_loaded_pig[FILENAME_LEN]="";
  79
  80 ubyte last_palette_for_color_fonts[768];
  81
  82 void remap_fonts_and_menus(int do_fadetable_hack)
  83 {
  84         nm_remap_background();
  85         gr_remap_color_fonts();
  86
  87         if (do_fadetable_hack) {
  88                 int i;
  89                 float g = 1.0;
  90                 double intensity;
  91                 ubyte gamma[64];
  92
  93                 intensity = (double)(14)/(double)(32);
  94                 for (i=0;i<64;i++)
  95                         gamma[i] = (int)((pow(intensity, 1.0/g)*i) + 0.5);
  96                 for (i=0;i<256;i++) {
  97                         int c;
  98                         c = gr_find_closest_color(gamma[gr_palette[i*3]],gamma[gr_palette[i*3+1]],gamma[gr_palette[i*3+2]]);
  99                         gr_fade_table[14*256+i] = c;
 100                 }
 101         }
 102
 103         memcpy(last_palette_for_color_fonts,gr_palette,sizeof(last_palette_for_color_fonts));
 104 }
 105
 106 //load a palette by name. returns 1 if new palette loaded, else 0
 107 //if used_for_level is set, load pig, etc.
 108 //if no_change_screen is set, the current screen does not get remapped,
 109 //and the hardware palette does not get changed
 110 int load_palette(char *name,int used_for_level,int no_change_screen)
 111 {
 112         char pigname[FILENAME_LEN];
 113         ubyte old_pal[256*3];
 114
 115         //special hack to tell that palette system about a pig that's been loaded elsewhere
 116         if (used_for_level == -2) {
 117                 strncpy(last_palette_loaded_pig,name,sizeof(last_palette_loaded_pig));
 118                 return 1;
 119         }
 120
 121         if (name==NULL)
 122                 name = last_palette_loaded_pig;
 123
 124         if (used_for_level && stricmp(last_palette_loaded_pig,name) != 0) {
 125
 126                 _splitpath(name,NULL,NULL,pigname,NULL);
 127                 strcat(pigname,".PIG");
 128
 129                 //if not editor, load pig first so small install message can come
 130                 //up in old palette.  If editor version, we must load the pig after
 131                 //the palette is loaded so we can remap new textures.
 132                 #ifndef EDITOR
 133                 piggy_new_pigfile(pigname);
 134                 #endif
 135         }
 136
 137         if (stricmp(last_palette_loaded,name) != 0) {
 138
 139                 memcpy(old_pal,gr_palette,sizeof(old_pal));
 140
 141                 strncpy(last_palette_loaded,name,sizeof(last_palette_loaded));
 142
 143                 gr_use_palette_table(name);
 144
 145                 if (Function_mode == FMODE_GAME && !no_change_screen)
 146                         gr_remap_bitmap_good( &grd_curscreen->sc_canvas.cv_bitmap, old_pal, -1, -1 );
 147
 148 #if defined(POLY_ACC)
 149         if (bg.bmp && bg.bmp->bm_type == BM_LINEAR)
 150 #else
 151         if (bg.bmp)
 152 #endif
 153             gr_remap_bitmap_good( bg.bmp, old_pal, -1, -1 );
 154
 155                 if (!gr_palette_faded_out && !no_change_screen)
 156                         gr_palette_load(gr_palette);
 157
 158                 remap_fonts_and_menus(0);
 159
 160                 Color_0_31_0 = -1;              //for gauges
 161                 HUD_color = -1;
 162
 163                 load_background_bitmap();
 164
 165                 g3_remap_interp_colors();
 166         }
 167
 168
 169         if (used_for_level && stricmp(last_palette_loaded_pig,name) != 0) {
 170
 171                 strncpy(last_palette_loaded_pig,name,sizeof(last_palette_loaded_pig));
 172
 173                 #ifdef EDITOR
 174                 piggy_new_pigfile(pigname);
 175                 #endif
 176
 177                 texmerge_flush();
 178                 rle_cache_flush();
 179         }
 180
 181         return 1;
 182 }
 183