Remove the CONFIG_CD macro, and enable faketracks unconditionally.
[xonotic/darkplaces.git] / palette.c
1
2 #include "quakedef.h"
3 #include "image.h"
4
5 cvar_t r_colormap_palette = {0, "r_colormap_palette", "gfx/colormap_palette.lmp", "name of a palette lmp file to override the shirt/pants colors of player models. It consists of 16 shirt colors, 16 scoreboard shirt colors, 16 pants colors and 16 scoreboard pants colors"};
6
7 unsigned char palette_rgb[256][3];
8 unsigned char palette_rgb_pantscolormap[16][3];
9 unsigned char palette_rgb_shirtcolormap[16][3];
10 unsigned char palette_rgb_pantsscoreboard[16][3];
11 unsigned char palette_rgb_shirtscoreboard[16][3];
12
13 unsigned int palette_bgra_complete[256];
14 unsigned int palette_bgra_font[256];
15 unsigned int palette_bgra_alpha[256];
16 unsigned int palette_bgra_nocolormap[256];
17 unsigned int palette_bgra_nocolormapnofullbrights[256];
18 unsigned int palette_bgra_nofullbrights[256];
19 unsigned int palette_bgra_nofullbrights_transparent[256];
20 unsigned int palette_bgra_onlyfullbrights[256];
21 unsigned int palette_bgra_onlyfullbrights_transparent[256];
22 unsigned int palette_bgra_pantsaswhite[256];
23 unsigned int palette_bgra_shirtaswhite[256];
24 unsigned int palette_bgra_transparent[256];
25 unsigned int palette_bgra_embeddedpic[256];
26 unsigned char palette_featureflags[256];
27
28 unsigned int q2palette_bgra_complete[256];
29
30 // John Carmack said the quake palette.lmp can be considered public domain because it is not an important asset to id, so I include it here as a fallback if no external palette file is found.
31 unsigned char host_quakepal[768] =
32 {
33 // marked: colormap colors: cb = (colormap & 0xF0);cb += (cb >= 128 && cb < 224) ? 4 : 12;
34 // 0x0*
35         0,0,0,        15,15,15,     31,31,31,     47,47,47,     63,63,63,     75,75,75,     91,91,91,     107,107,107,
36         123,123,123,  139,139,139,  155,155,155,  171,171,171,  187,187,187,  203,203,203,  219,219,219,  235,235,235,
37 // 0x1*                                                   0 ^
38         15,11,7,      23,15,11,     31,23,11,     39,27,15,     47,35,19,     55,43,23,     63,47,23,     75,55,27,
39         83,59,27,     91,67,31,     99,75,31,     107,83,31,    115,87,31,    123,95,35,    131,103,35,   143,111,35,
40 // 0x2*                                                   1 ^
41         11,11,15,     19,19,27,     27,27,39,     39,39,51,     47,47,63,     55,55,75,     63,63,87,     71,71,103,
42         79,79,115,    91,91,127,    99,99,139,    107,107,151,  115,115,163,  123,123,175,  131,131,187,  139,139,203,
43 // 0x3*                                                   2 ^
44         0,0,0,        7,7,0,        11,11,0,      19,19,0,      27,27,0,      35,35,0,      43,43,7,      47,47,7,
45         55,55,7,      63,63,7,      71,71,7,      75,75,11,     83,83,11,     91,91,11,     99,99,11,     107,107,15,
46 // 0x4*                                                   3 ^
47         7,0,0,        15,0,0,       23,0,0,       31,0,0,       39,0,0,       47,0,0,       55,0,0,       63,0,0,
48         71,0,0,       79,0,0,       87,0,0,       95,0,0,       103,0,0,      111,0,0,      119,0,0,      127,0,0,
49 // 0x5*                                                   4 ^
50         19,19,0,      27,27,0,      35,35,0,      47,43,0,      55,47,0,      67,55,0,      75,59,7,      87,67,7,
51         95,71,7,      107,75,11,    119,83,15,    131,87,19,    139,91,19,    151,95,27,    163,99,31,    175,103,35,
52 // 0x6*                                                   5 ^
53         35,19,7,      47,23,11,     59,31,15,     75,35,19,     87,43,23,     99,47,31,     115,55,35,    127,59,43,
54         143,67,51,    159,79,51,    175,99,47,    191,119,47,   207,143,43,   223,171,39,   239,203,31,   255,243,27,
55 // 0x7*                                                   6 ^
56         11,7,0,       27,19,0,      43,35,15,     55,43,19,     71,51,27,     83,55,35,     99,63,43,     111,71,51,
57         127,83,63,    139,95,71,    155,107,83,   167,123,95,   183,135,107,  195,147,123,  211,163,139,  227,179,151,
58 // 0x8*                                                   7 ^        v 8
59         171,139,163,  159,127,151,  147,115,135,  139,103,123,  127,91,111,   119,83,99,    107,75,87,    95,63,75,
60         87,55,67,     75,47,55,     67,39,47,     55,31,35,     43,23,27,     35,19,19,     23,11,11,     15,7,7,
61 // 0x9*                                                   9 v
62         187,115,159,  175,107,143,  163,95,131,   151,87,119,   139,79,107,   127,75,95,    115,67,83,    107,59,75,
63         95,51,63,     83,43,55,     71,35,43,     59,31,35,     47,23,27,     35,19,19,     23,11,11,     15,7,7,
64 // 0xA*                                                  10 v
65         219,195,187,  203,179,167,  191,163,155,  175,151,139,  163,135,123,  151,123,111,  135,111,95,   123,99,83,
66         107,87,71,    95,75,59,     83,63,51,     67,51,39,     55,43,31,     39,31,23,     27,19,15,     15,11,7,
67 // 0xB*                                                  11 v
68         111,131,123,  103,123,111,  95,115,103,   87,107,95,    79,99,87,     71,91,79,     63,83,71,     55,75,63,
69         47,67,55,     43,59,47,     35,51,39,     31,43,31,     23,35,23,     15,27,19,     11,19,11,     7,11,7,
70 // 0xC*                                                  12 v
71         255,243,27,   239,223,23,   219,203,19,   203,183,15,   187,167,15,   171,151,11,   155,131,7,    139,115,7,
72         123,99,7,     107,83,0,     91,71,0,      75,55,0,      59,43,0,      43,31,0,      27,15,0,      11,7,0,
73 // 0xD*                                                  13 v
74         0,0,255,      11,11,239,    19,19,223,    27,27,207,    35,35,191,    43,43,175,    47,47,159,    47,47,143,
75         47,47,127,    47,47,111,    47,47,95,     43,43,79,     35,35,63,     27,27,47,     19,19,31,     11,11,15,
76 // 0xE*
77         43,0,0,       59,0,0,       75,7,0,       95,7,0,       111,15,0,     127,23,7,     147,31,7,     163,39,11,
78         183,51,15,    195,75,27,    207,99,43,    219,127,59,   227,151,79,   231,171,95,   239,191,119,  247,211,139,
79 // 0xF*                                                  14 ^
80         167,123,59,   183,155,55,   199,195,55,   231,227,87,   127,191,255,  171,231,255,  215,255,255,  103,0,0,
81         139,0,0,      179,0,0,      215,0,0,      255,0,0,      255,243,147,  255,247,199,  255,255,255,  159,91,83
82 }; //                                                    15 ^
83
84 static void Palette_SetupSpecialPalettes(void)
85 {
86         int i;
87         int fullbright_start, fullbright_end;
88         int pants_start, pants_end;
89         int shirt_start, shirt_end;
90         int reversed_start, reversed_end;
91         int transparentcolor;
92         unsigned char *colormap;
93         fs_offset_t filesize;
94         union
95         {
96                 int i;
97                 unsigned char b[4];
98         }
99         u;
100
101         colormap = FS_LoadFile("gfx/colormap.lmp", tempmempool, true, &filesize);
102         if (colormap && filesize >= 16385)
103                 fullbright_start = 256 - colormap[16384];
104         else
105                 fullbright_start = 256;
106         if (colormap)
107                 Mem_Free(colormap);
108         fullbright_end = 256;
109         pants_start = 96;
110         pants_end = 112;
111         shirt_start = 16;
112         shirt_end = 32;
113         reversed_start = 128;
114         reversed_end = 224;
115         transparentcolor = 255;
116
117         for (i = 0;i < 256;i++)
118                 palette_featureflags[i] = PALETTEFEATURE_STANDARD;
119         for (i = reversed_start;i < reversed_end;i++)
120                 palette_featureflags[i] = PALETTEFEATURE_REVERSED;
121         for (i = pants_start;i < pants_end;i++)
122                 palette_featureflags[i] = PALETTEFEATURE_PANTS;
123         for (i = shirt_start;i < shirt_end;i++)
124                 palette_featureflags[i] = PALETTEFEATURE_SHIRT;
125         for (i = fullbright_start;i < fullbright_end;i++)
126                 palette_featureflags[i] = PALETTEFEATURE_GLOW;
127         palette_featureflags[0] = PALETTEFEATURE_ZERO;
128         palette_featureflags[transparentcolor] = PALETTEFEATURE_TRANSPARENT;
129
130         for (i = 0;i < 256;i++)
131                 palette_bgra_transparent[i] = palette_bgra_complete[i];
132         palette_bgra_transparent[transparentcolor] = 0;
133
134         for (i = 0;i < fullbright_start;i++)
135                 palette_bgra_nofullbrights[i] = palette_bgra_complete[i];
136         for (i = fullbright_start;i < fullbright_end;i++)
137                 palette_bgra_nofullbrights[i] = palette_bgra_complete[0];
138         for (i = 0;i < 256;i++)
139                 palette_bgra_nofullbrights_transparent[i] = palette_bgra_nofullbrights[i];
140         palette_bgra_nofullbrights_transparent[transparentcolor] = 0;
141
142         for (i = 0;i < 256;i++)
143                 palette_bgra_onlyfullbrights[i] = 0;
144         for (i = fullbright_start;i < fullbright_end;i++)
145                 palette_bgra_onlyfullbrights[i] = palette_bgra_complete[i];
146         for (i = 0;i < 256;i++)
147                 palette_bgra_onlyfullbrights_transparent[i] = palette_bgra_onlyfullbrights[i];
148         palette_bgra_onlyfullbrights_transparent[transparentcolor] = 0;
149
150         for (i = 0;i < 256;i++)
151                 palette_bgra_nocolormapnofullbrights[i] = palette_bgra_complete[i];
152         for (i = pants_start;i < pants_end;i++)
153                 palette_bgra_nocolormapnofullbrights[i] = 0;
154         for (i = shirt_start;i < shirt_end;i++)
155                 palette_bgra_nocolormapnofullbrights[i] = 0;
156         for (i = fullbright_start;i < fullbright_end;i++)
157                 palette_bgra_nocolormapnofullbrights[i] = 0;
158
159         for (i = 0;i < 256;i++)
160                 palette_bgra_nocolormap[i] = palette_bgra_complete[i];
161         for (i = pants_start;i < pants_end;i++)
162                 palette_bgra_nocolormap[i] = 0;
163         for (i = shirt_start;i < shirt_end;i++)
164                 palette_bgra_nocolormap[i] = 0;
165
166         for (i = 0;i < 256;i++)
167                 palette_bgra_pantsaswhite[i] = 0;
168         for (i = pants_start;i < pants_end;i++)
169         {
170                 if (i >= reversed_start && i < reversed_end)
171                         palette_bgra_pantsaswhite[i] = palette_bgra_complete[15 - (i - pants_start)];
172                 else
173                         palette_bgra_pantsaswhite[i] = palette_bgra_complete[i - pants_start];
174         }
175
176         for (i = 0;i < 256;i++)
177                 palette_bgra_shirtaswhite[i] = 0;
178         for (i = shirt_start;i < shirt_end;i++)
179         {
180                 if (i >= reversed_start && i < reversed_end)
181                         palette_bgra_shirtaswhite[i] = palette_bgra_complete[15 - (i - shirt_start)];
182                 else
183                         palette_bgra_shirtaswhite[i] = palette_bgra_complete[i - shirt_start];
184         }
185
186         for (i = 0;i < 256;i++)
187                 palette_bgra_alpha[i] = 0xFFFFFFFF;
188         u.i = 0xFFFFFFFF;
189         u.b[3] = 0;
190         palette_bgra_alpha[transparentcolor] = u.i;
191
192         for (i = 0;i < 256;i++)
193                 palette_bgra_font[i] = palette_bgra_complete[i];
194         palette_bgra_font[0] = 0;
195 }
196
197 static void Palette_LoadQ2Colormap(void)
198 {
199         fs_offset_t filesize;
200         unsigned char * q2colormapfile = FS_LoadFile("pics/colormap.pcx", tempmempool, true, &filesize);
201         if (q2colormapfile && filesize >= 768)
202         {
203                 unsigned char q2palette_rgb[256][3];
204                 unsigned char *out = (unsigned char *) q2palette_bgra_complete; // palette is accessed as 32bit for speed reasons, but is created as 8bit bytes
205                 int i;
206                 LoadPCX_PaletteOnly(q2colormapfile, filesize, q2palette_rgb[0]);
207                 // this stops at color 255 because it is a pink transparent color that we don't actually want to preserve color on.
208                 for (i = 0;i < 255;i++)
209                 {
210                         out[i*4+2] = q2palette_rgb[i][0];
211                         out[i*4+1] = q2palette_rgb[i][1];
212                         out[i*4+0] = q2palette_rgb[i][2];
213                         out[i*4+3] = 255;
214                 }
215                 Mem_Free(q2colormapfile);
216         }
217 }
218
219 void BuildGammaTable8(float prescale, float gamma, float scale, float base, float contrastboost, unsigned char *out, int rampsize)
220 {
221         int i, adjusted;
222         double invgamma;
223         double t, d;
224
225         invgamma = 1.0 / gamma;
226         prescale /= (double) (rampsize - 1);
227         for (i = 0;i < rampsize;i++)
228         {
229                 t = i * prescale;
230                 d = ((contrastboost - 1) * t + 1);
231                 if(d == 0)
232                         t = 0; // we could just as well assume 1 here, depending on which side of the division by zero we want to be
233                 else
234                         t = contrastboost * t / d;
235                 adjusted = (int) (255.0 * (pow(t, invgamma) * scale + base) + 0.5);
236                 out[i] = bound(0, adjusted, 255);
237         }
238 }
239
240 void BuildGammaTable16(float prescale, float gamma, float scale, float base, float contrastboost, unsigned short *out, int rampsize)
241 {
242         int i, adjusted;
243         double invgamma;
244         double t;
245
246         invgamma = 1.0 / gamma;
247         prescale /= (double) (rampsize - 1);
248         for (i = 0;i < rampsize;i++)
249         {
250                 t = i * prescale;
251                 t = contrastboost * t / ((contrastboost - 1) * t + 1);
252                 adjusted = (int) (65535.0 * (pow(t, invgamma) * scale + base) + 0.5);
253                 out[i] = bound(0, adjusted, 65535);
254         }
255 }
256
257 static void Palette_Shutdown(void)
258 {
259 }
260
261 static void Palette_NewMap(void)
262 {
263 }
264
265 static void Palette_Load(void)
266 {
267         int i;
268         unsigned char *out;
269         float gamma, scale, base;
270         fs_offset_t filesize;
271         unsigned char *palfile;
272         unsigned char texturegammaramp[256];
273         union
274         {
275                 unsigned char b[4];
276                 unsigned int i;
277         }
278         bgra;
279
280         gamma = 1;
281         scale = 1;
282         base = 0;
283 // COMMANDLINEOPTION: Client: -texgamma <number> sets the quake palette gamma, allowing you to make quake textures brighter/darker, not recommended
284         i = COM_CheckParm("-texgamma");
285         if (i)
286                 gamma = atof(com_argv[i + 1]);
287 // COMMANDLINEOPTION: Client: -texcontrast <number> sets the quake palette contrast, allowing you to make quake textures brighter/darker, not recommended
288         i = COM_CheckParm("-texcontrast");
289         if (i)
290                 scale = atof(com_argv[i + 1]);
291 // COMMANDLINEOPTION: Client: -texbrightness <number> sets the quake palette brightness (brightness of black), allowing you to make quake textures brighter/darker, not recommended
292         i = COM_CheckParm("-texbrightness");
293         if (i)
294                 base = atof(com_argv[i + 1]);
295         gamma = bound(0.01, gamma, 10.0);
296         scale = bound(0.01, scale, 10.0);
297         base = bound(0, base, 0.95);
298
299         BuildGammaTable8(1.0f, gamma, scale, base, 1, texturegammaramp, 256);
300
301         palfile = (unsigned char *)FS_LoadFile ("gfx/palette.lmp", tempmempool, false, &filesize);
302         if (palfile && filesize >= 768)
303                 memcpy(palette_rgb, palfile, 768);
304         else
305         {
306                 Con_DPrint("Couldn't load gfx/palette.lmp, falling back on internal palette\n");
307                 memcpy(palette_rgb, host_quakepal, 768);
308         }
309         if (palfile)
310                 Mem_Free(palfile);
311
312         out = (unsigned char *) palette_bgra_complete; // palette is accessed as 32bit for speed reasons, but is created as 8bit bytes
313         for (i = 0;i < 256;i++)
314         {
315                 out[i*4+2] = texturegammaramp[palette_rgb[i][0]];
316                 out[i*4+1] = texturegammaramp[palette_rgb[i][1]];
317                 out[i*4+0] = texturegammaramp[palette_rgb[i][2]];
318                 out[i*4+3] = 255;
319         }
320
321         if(*r_colormap_palette.string)
322                 palfile = (unsigned char *)FS_LoadFile (r_colormap_palette.string, tempmempool, false, &filesize);
323         else
324                 palfile = NULL;
325
326         if (palfile && filesize >= 48*2)
327         {
328                 memcpy(palette_rgb_shirtcolormap[0], palfile, 48);
329                 memcpy(palette_rgb_shirtscoreboard[0], palfile + 48, 48);
330         }
331         else
332         {
333                 for(i = 0;i < 16;i++)
334                 {
335                         VectorCopy(palette_rgb[(i << 4) | ((i >= 8 && i <= 13) ? 0x04 : 0x0C)], palette_rgb_shirtcolormap[i]);
336                         VectorCopy(palette_rgb[(i << 4) | 0x08], palette_rgb_shirtscoreboard[i]);
337                 }
338         }
339
340         if (palfile && filesize >= 48*4)
341         {
342                 memcpy(palette_rgb_pantscolormap[0], palfile + 48*2, 48);
343                 memcpy(palette_rgb_pantsscoreboard[0], palfile + 48*3, 48);
344         }
345         else
346         {
347                 memcpy(palette_rgb_pantscolormap, palette_rgb_shirtcolormap, sizeof(palette_rgb_pantscolormap));
348                 memcpy(palette_rgb_pantsscoreboard, palette_rgb_shirtscoreboard, sizeof(palette_rgb_pantsscoreboard));
349         }
350
351         if(palfile)
352                 Mem_Free(palfile);
353
354         memset(palette_bgra_embeddedpic, 0, sizeof(palette_bgra_embeddedpic));
355         for (i = '1';i <= '7';i++)
356         {
357                 Vector4Set(bgra.b, 255, 255, 255, (i - '0') * 255 / 7);
358                 palette_bgra_embeddedpic[i] = bgra.i;
359         }
360
361         Palette_SetupSpecialPalettes();
362
363         Palette_LoadQ2Colormap();
364 }
365
366 void Palette_Init(void)
367 {
368         R_RegisterModule("Palette", Palette_Load, Palette_Shutdown, Palette_NewMap, NULL, NULL);
369         Cvar_RegisterVariable(&r_colormap_palette);
370         Palette_Load();
371 }