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
  15 #include <conf.h>
  16 #include <string.h>
  17 #include <stdlib.h>
  18 #include <math.h>
  19
  20 #include "pa_enabl.h"                   //$$POLY_ACC
  21 #include "fix.h"
  22 #include "vecmat.h"
  23 #include "gr.h"
  24 #include "3d.h"
  25 #include "palette.h"
  26 #include "rle.h"
  27
  28 #include "inferno.h"
  29 #include "gamepal.h"
  30 #include "mission.h"
  31 #include "newmenu.h"
  32 #include "texmerge.h"
  33 #include "piggy.h"
  34 #include "strutil.h"
  35
  36 #if defined(POLY_ACC)
  37 #include "poly_acc.h"
  38 #endif
  39
  40 char Current_level_palette[FILENAME_LEN];
  41
  42 extern int Color_0_31_0, HUD_color;
  43
  44 //give a filename a new extension
  45 void change_filename_ext( char *dest, char *src, char *ext )
  46 {
  47         char *p;
  48
  49         strcpy (dest, src);
  50
  51         if (ext[0] == '.')
  52                 ext++;
  53
  54         p = strchr(dest,'.');
  55         if (!p) {
  56                 p = dest + strlen(dest);
  57                 *p = '.';
  58         }
  59
  60         strcpy(p+1,ext);
  61 }
  62
  63 //background for boxed messages
  64 typedef struct bkg {
  65         short x, y, w, h;                       // The location of the menu.
  66         grs_bitmap * bmp;                       // The background under the menu.
  67 } bkg;
  68
  69 extern bkg bg;
  70
  71 void load_background_bitmap(void);
  72
  73 char last_palette_loaded[FILENAME_LEN]="";
  74 char last_palette_loaded_pig[FILENAME_LEN]="";
  75
  76 ubyte last_palette_for_color_fonts[768];
  77
  78 void remap_fonts_and_menus(int do_fadetable_hack)
  79 {
  80         nm_remap_background();
  81         gr_remap_color_fonts();
  82
  83         if (do_fadetable_hack) {
  84                 int i;
  85                 float g = 1.0;
  86                 double intensity;
  87                 ubyte gamma[64];
  88
  89                 intensity = (double)(14)/(double)(32);
  90                 for (i=0;i<64;i++)
  91                         gamma[i] = (int)((pow(intensity, 1.0/g)*i) + 0.5);
  92                 for (i=0;i<256;i++) {
  93                         int c;
  94                         c = gr_find_closest_color(gamma[gr_palette[i*3]],gamma[gr_palette[i*3+1]],gamma[gr_palette[i*3+2]]);
  95                         gr_fade_table[14*256+i] = c;
  96                 }
  97         }
  98
  99         memcpy(last_palette_for_color_fonts,gr_palette,sizeof(last_palette_for_color_fonts));
 100 }
 101
 102 //load a palette by name. returns 1 if new palette loaded, else 0
 103 //if used_for_level is set, load pig, etc.
 104 //if no_change_screen is set, the current screen does not get remapped,
 105 //and the hardware palette does not get changed
 106 int load_palette(char *name,int used_for_level,int no_change_screen)
 107 {
 108         char pigname[FILENAME_LEN];
 109         ubyte old_pal[256*3];
 110
 111         //special hack to tell that palette system about a pig that's been loaded elsewhere
 112         if (used_for_level == -2) {
 113                 strncpy(last_palette_loaded_pig,name,sizeof(last_palette_loaded_pig));
 114                 return 1;
 115         }
 116
 117         if (name==NULL)
 118                 name = last_palette_loaded_pig;
 119
 120         if (used_for_level && stricmp(last_palette_loaded_pig,name) != 0) {
 121
 122                 _splitpath(name,NULL,NULL,pigname,NULL);
 123                 strcat(pigname,".PIG");
 124
 125                 //if not editor, load pig first so small install message can come
 126                 //up in old palette.  If editor version, we must load the pig after
 127                 //the palette is loaded so we can remap new textures.
 128                 #ifndef EDITOR
 129                 piggy_new_pigfile(pigname);
 130                 #endif
 131         }
 132
 133         if (stricmp(last_palette_loaded,name) != 0) {
 134
 135                 memcpy(old_pal,gr_palette,sizeof(old_pal));
 136
 137                 strncpy(last_palette_loaded,name,sizeof(last_palette_loaded));
 138
 139                 gr_use_palette_table(name);
 140
 141                 if (Function_mode == FMODE_GAME && !no_change_screen)
 142                         gr_remap_bitmap_good( &grd_curscreen->sc_canvas.cv_bitmap, old_pal, -1, -1 );
 143
 144 #if defined(POLY_ACC)
 145         if (bg.bmp && bg.bmp->bm_type == BM_LINEAR)
 146 #else
 147         if (bg.bmp)
 148 #endif
 149             gr_remap_bitmap_good( bg.bmp, old_pal, -1, -1 );
 150
 151                 if (!gr_palette_faded_out && !no_change_screen)
 152                         gr_palette_load(gr_palette);
 153
 154                 remap_fonts_and_menus(0);
 155
 156                 Color_0_31_0 = -1;              //for gauges
 157                 HUD_color = -1;
 158
 159                 load_background_bitmap();
 160
 161                 g3_remap_interp_colors();
 162         }
 163
 164
 165         if (used_for_level && stricmp(last_palette_loaded_pig,name) != 0) {
 166
 167                 strncpy(last_palette_loaded_pig,name,sizeof(last_palette_loaded_pig));
 168
 169                 #ifdef EDITOR
 170                 piggy_new_pigfile(pigname);
 171                 #endif
 172
 173                 texmerge_flush();
 174                 rle_cache_flush();
 175         }
 176
 177         return 1;
 178 }
 179