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 extern void g3_remap_interp_colors();
  41
  42 char Current_level_palette[FILENAME_LEN];
  43
  44 extern int Color_0_31_0, HUD_color;
  45
  46 //give a filename a new extension
  47 void change_filename_ext( char *dest, char *src, char *ext )
  48 {
  49         char *p;
  50
  51         strcpy (dest, src);
  52
  53         if (ext[0] == '.')
  54                 ext++;
  55
  56         p = strchr(dest,'.');
  57         if (!p) {
  58                 p = dest + strlen(dest);
  59                 *p = '.';
  60         }
  61
  62         strcpy(p+1,ext);
  63 }
  64
  65 //background for boxed messages
  66 typedef struct bkg {
  67         short x, y, w, h;                       // The location of the menu.
  68         grs_bitmap * bmp;                       // The background under the menu.
  69 } bkg;
  70
  71 extern bkg bg;
  72
  73 void load_background_bitmap(void);
  74
  75 char last_palette_loaded[FILENAME_LEN]="";
  76 char last_palette_loaded_pig[FILENAME_LEN]="";
  77
  78 ubyte last_palette_for_color_fonts[768];
  79
  80 void remap_fonts_and_menus(int do_fadetable_hack)
  81 {
  82         nm_remap_background();
  83         gr_remap_color_fonts();
  84
  85         if (do_fadetable_hack) {
  86                 int i;
  87                 float g = 1.0;
  88                 double intensity;
  89                 ubyte gamma[64];
  90
  91                 intensity = (double)(14)/(double)(32);
  92                 for (i=0;i<64;i++)
  93                         gamma[i] = (int)((pow(intensity, 1.0/g)*i) + 0.5);
  94                 for (i=0;i<256;i++) {
  95                         int c;
  96                         c = gr_find_closest_color(gamma[gr_palette[i*3]],gamma[gr_palette[i*3+1]],gamma[gr_palette[i*3+2]]);
  97                         gr_fade_table[14*256+i] = c;
  98                 }
  99         }
 100
 101         memcpy(last_palette_for_color_fonts,gr_palette,sizeof(last_palette_for_color_fonts));
 102 }
 103
 104 //load a palette by name. returns 1 if new palette loaded, else 0
 105 //if used_for_level is set, load pig, etc.
 106 //if no_change_screen is set, the current screen does not get remapped,
 107 //and the hardware palette does not get changed
 108 int load_palette(char *name,int used_for_level,int no_change_screen)
 109 {
 110         char pigname[FILENAME_LEN];
 111         ubyte old_pal[256*3];
 112
 113         //special hack to tell that palette system about a pig that's been loaded elsewhere
 114         if (used_for_level == -2) {
 115                 strncpy(last_palette_loaded_pig,name,sizeof(last_palette_loaded_pig));
 116                 return 1;
 117         }
 118
 119         if (name==NULL)
 120                 name = last_palette_loaded_pig;
 121
 122         if (used_for_level && stricmp(last_palette_loaded_pig,name) != 0) {
 123
 124                 _splitpath(name,NULL,NULL,pigname,NULL);
 125                 strcat(pigname,".PIG");
 126
 127                 //if not editor, load pig first so small install message can come
 128                 //up in old palette.  If editor version, we must load the pig after
 129                 //the palette is loaded so we can remap new textures.
 130                 #ifndef EDITOR
 131                 piggy_new_pigfile(pigname);
 132                 #endif
 133         }
 134
 135         if (stricmp(last_palette_loaded,name) != 0) {
 136
 137                 memcpy(old_pal,gr_palette,sizeof(old_pal));
 138
 139                 strncpy(last_palette_loaded,name,sizeof(last_palette_loaded));
 140
 141                 gr_use_palette_table(name);
 142
 143                 if (Function_mode == FMODE_GAME && !no_change_screen)
 144                         gr_remap_bitmap_good( &grd_curscreen->sc_canvas.cv_bitmap, old_pal, -1, -1 );
 145
 146 #if defined(POLY_ACC)
 147         if (bg.bmp && bg.bmp->bm_type == BM_LINEAR)
 148 #else
 149         if (bg.bmp)
 150 #endif
 151             gr_remap_bitmap_good( bg.bmp, old_pal, -1, -1 );
 152
 153                 if (!gr_palette_faded_out && !no_change_screen)
 154                         gr_palette_load(gr_palette);
 155
 156                 remap_fonts_and_menus(0);
 157
 158                 Color_0_31_0 = -1;              //for gauges
 159                 HUD_color = -1;
 160
 161                 load_background_bitmap();
 162
 163                 g3_remap_interp_colors();
 164         }
 165
 166
 167         if (used_for_level && stricmp(last_palette_loaded_pig,name) != 0) {
 168
 169                 strncpy(last_palette_loaded_pig,name,sizeof(last_palette_loaded_pig));
 170
 171                 #ifdef EDITOR
 172                 piggy_new_pigfile(pigname);
 173                 #endif
 174
 175                 texmerge_flush();
 176                 rle_cache_flush();
 177         }
 178
 179         return 1;
 180 }
 181