unsigned int palette_bgra_shirtaswhite[256];
unsigned int palette_bgra_transparent[256];
unsigned int palette_bgra_embeddedpic[256];
+unsigned char palette_featureflags[256];
// 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.
unsigned char host_quakepal[768] =
reversed_end = 224;
transparentcolor = 255;
+ for (i = 0;i < 256;i++)
+ palette_featureflags[i] = PALETTEFEATURE_STANDARD;
+ for (i = reversed_start;i < reversed_end;i++)
+ palette_featureflags[i] = PALETTEFEATURE_REVERSED;
+ for (i = pants_start;i < pants_end;i++)
+ palette_featureflags[i] = PALETTEFEATURE_PANTS;
+ for (i = shirt_start;i < shirt_end;i++)
+ palette_featureflags[i] = PALETTEFEATURE_SHIRT;
+ for (i = fullbright_start;i < fullbright_end;i++)
+ palette_featureflags[i] = PALETTEFEATURE_GLOW;
+ palette_featureflags[0] = PALETTEFEATURE_ZERO;
+ palette_featureflags[transparentcolor] = PALETTEFEATURE_TRANSPARENT;
+
for (i = 0;i < 256;i++)
palette_bgra_transparent[i] = palette_bgra_complete[i];
palette_bgra_transparent[transparentcolor] = 0;
palette_bgra_font[0] = 0;
}
-void BuildGammaTable8(float prescale, float gamma, float scale, float base, unsigned char *out, int rampsize)
+void BuildGammaTable8(float prescale, float gamma, float scale, float base, float contrastboost, unsigned char *out, int rampsize)
{
int i, adjusted;
double invgamma;
+ double t, d;
invgamma = 1.0 / gamma;
prescale /= (double) (rampsize - 1);
for (i = 0;i < rampsize;i++)
{
- adjusted = (int) (255.0 * (pow((double) i * prescale, invgamma) * scale + base) + 0.5);
+ t = i * prescale;
+ d = ((contrastboost - 1) * t + 1);
+ if(d == 0)
+ t = 0; // we could just as well assume 1 here, depending on which side of the division by zero we want to be
+ else
+ t = contrastboost * t / d;
+ adjusted = (int) (255.0 * (pow(t, invgamma) * scale + base) + 0.5);
out[i] = bound(0, adjusted, 255);
}
}
-void BuildGammaTable16(float prescale, float gamma, float scale, float base, unsigned short *out, int rampsize)
+void BuildGammaTable16(float prescale, float gamma, float scale, float base, float contrastboost, unsigned short *out, int rampsize)
{
int i, adjusted;
double invgamma;
+ double t;
invgamma = 1.0 / gamma;
prescale /= (double) (rampsize - 1);
for (i = 0;i < rampsize;i++)
{
- adjusted = (int) (65535.0 * (pow((double) i * prescale, invgamma) * scale + base) + 0.5);
+ t = i * prescale;
+ t = contrastboost * t / ((contrastboost - 1) * t + 1);
+ adjusted = (int) (65535.0 * (pow(t, invgamma) * scale + base) + 0.5);
out[i] = bound(0, adjusted, 65535);
}
}
scale = bound(0.01, scale, 10.0);
base = bound(0, base, 0.95);
- BuildGammaTable8(1.0f, gamma, scale, base, texturegammaramp, 256);
+ BuildGammaTable8(1.0f, gamma, scale, base, 1, texturegammaramp, 256);
palfile = (unsigned char *)FS_LoadFile ("gfx/palette.lmp", tempmempool, false, &filesize);
if (palfile && filesize >= 768)
void Palette_Init(void)
{
- R_RegisterModule("Palette", Palette_Load, Palette_Shutdown, Palette_NewMap);
+ R_RegisterModule("Palette", Palette_Load, Palette_Shutdown, Palette_NewMap, NULL, NULL);
Cvar_RegisterVariable(&r_colormap_palette);
Palette_Load();
}