]> icculus.org git repositories - btb/d2x.git/blob - main/gamepal.c
move PhysicsFS initialisation, search path setup and argument reading to physfsx.h
[btb/d2x.git] / main / gamepal.c
1 /* $Id: gamepal.c,v 1.7 2006-02-26 02:29:06 chris Exp $ */
2 /*
3 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
4 SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
5 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
6 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
7 IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
8 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
9 FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
10 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
11 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
12 COPYRIGHT 1993-1999 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
13 */
14
15 /*
16  *
17  * Functions for loading palettes
18  *
19  */
20
21 #ifdef HAVE_CONFIG_H
22 #include <conf.h>
23 #endif
24
25 #include <string.h>
26 #include <stdlib.h>
27 #include <math.h>
28
29 #include "fix.h"
30 #include "vecmat.h"
31 #include "gr.h"
32 #include "3d.h"
33 #include "palette.h"
34 #include "rle.h"
35
36 #include "inferno.h"
37 #include "gamepal.h"
38 #include "mission.h"
39 #include "newmenu.h"
40 #include "texmerge.h"
41 #include "piggy.h"
42 #include "strutil.h"
43
44 extern void g3_remap_interp_colors();
45
46 char Current_level_palette[FILENAME_LEN];
47
48 extern int Color_0_31_0, HUD_color;
49
50 //background for boxed messages
51 typedef struct bkg {
52         short x, y, w, h;                       // The location of the menu.
53         grs_bitmap * bmp;                       // The background under the menu.
54 } bkg;
55
56 extern bkg bg;
57
58 void load_background_bitmap(void);
59
60 char last_palette_loaded[FILENAME_LEN]="";
61 char last_palette_loaded_pig[FILENAME_LEN]="";
62
63 ubyte last_palette_for_color_fonts[768];
64
65 void remap_fonts_and_menus(int do_fadetable_hack)
66 {
67         nm_remap_background();
68         gr_remap_color_fonts();
69
70         if (do_fadetable_hack) {
71                 int i;
72                 float g = 1.0;
73                 double intensity;
74                 ubyte gamma[64];
75
76                 intensity = (double)(14)/(double)(32);
77                 for (i=0;i<64;i++)
78                         gamma[i] = (int)((pow(intensity, 1.0/g)*i) + 0.5);
79                 for (i=0;i<256;i++) {
80                         int c;
81                         c = gr_find_closest_color(gamma[gr_palette[i*3]],gamma[gr_palette[i*3+1]],gamma[gr_palette[i*3+2]]);
82                         gr_fade_table[14*256+i] = c;
83                 }
84         }
85
86         memcpy(last_palette_for_color_fonts,gr_palette,sizeof(last_palette_for_color_fonts));
87 }
88
89 //load a palette by name. returns 1 if new palette loaded, else 0
90 //if used_for_level is set, load pig, etc.
91 //if no_change_screen is set, the current screen does not get remapped,
92 //and the hardware palette does not get changed
93 int load_palette(char *name,int used_for_level,int no_change_screen)
94 {
95         char pigname[FILENAME_LEN];
96         ubyte old_pal[256*3];
97
98         //special hack to tell that palette system about a pig that's been loaded elsewhere
99         if (used_for_level == -2) {
100                 strncpy(last_palette_loaded_pig,name,sizeof(last_palette_loaded_pig));
101                 return 1;
102         }
103
104         if (name==NULL)
105                 name = last_palette_loaded_pig;
106
107         if (used_for_level && stricmp(last_palette_loaded_pig,name) != 0) {
108
109                 _splitpath(name,NULL,NULL,pigname,NULL);
110                 strcat(pigname,".pig");
111                 //if not editor, load pig first so small install message can come
112                 //up in old palette.  If editor version, we must load the pig after
113                 //the palette is loaded so we can remap new textures.
114                 #ifndef EDITOR
115                 piggy_new_pigfile(pigname);
116                 #endif
117         }
118
119         if (stricmp(last_palette_loaded,name) != 0) {
120
121                 memcpy(old_pal,gr_palette,sizeof(old_pal));
122
123                 strncpy(last_palette_loaded,name,sizeof(last_palette_loaded));
124
125                 gr_use_palette_table(name);
126
127                 if (Function_mode == FMODE_GAME && !no_change_screen)
128                         gr_remap_bitmap_good( &grd_curscreen->sc_canvas.cv_bitmap, old_pal, -1, -1 );
129
130         if (bg.bmp)
131             gr_remap_bitmap_good( bg.bmp, old_pal, -1, -1 );
132
133                 if (!gr_palette_faded_out && !no_change_screen)
134                         gr_palette_load(gr_palette);
135
136                 remap_fonts_and_menus(0);
137
138                 Color_0_31_0 = -1;              //for gauges
139                 HUD_color = -1;
140
141                 load_background_bitmap();
142
143                 g3_remap_interp_colors();
144         }
145
146
147         if (used_for_level && stricmp(last_palette_loaded_pig,name) != 0) {
148
149                 strncpy(last_palette_loaded_pig,name,sizeof(last_palette_loaded_pig));
150
151                 #ifdef EDITOR
152                 piggy_new_pigfile(pigname);
153                 #endif
154
155                 texmerge_flush();
156                 rle_cache_flush();
157         }
158
159         return 1;
160 }
161