added -texgamma, -texcontrast, -texbrightness, these manipulate the palette (note...

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@1885 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/palette.c b/palette.c
index eb36367ba90b42ff7883d6e315a0d83e6bf13249..82da3de2b26f57eb30bf24f93ca8e6e3e6b71f37 100644 (file)
--- a/palette.c
+++ b/palette.c
@@ -4,7 +4,6 @@
 unsigned int d_8to24table[256];
 //qbyte d_15to8table[32768];
 qbyte host_basepal[768];
-qbyte texgamma[256];
 
 cvar_t v_gamma = {CVAR_SAVE, "v_gamma", "1"};
 cvar_t v_contrast = {CVAR_SAVE, "v_contrast", "1"};
@@ -174,13 +173,37 @@ void Gamma_Init(void)
 
 void Palette_Init(void)
 {
+       int i;
+       float gamma, scale, base;
        qbyte *pal;
+       qbyte temp[256];
        pal = (qbyte *)COM_LoadFile ("gfx/palette.lmp", false);
        if (!pal)
                Sys_Error ("Couldn't load gfx/palette.lmp");
        memcpy(host_basepal, pal, 765);
        Mem_Free(pal);
        host_basepal[765] = host_basepal[766] = host_basepal[767] = 0; // LordHavoc: force the transparent color to black
+
+       gamma = 1;
+       scale = 1;
+       base = 0;
+       i = COM_CheckParm("-texgamma");
+       if (i)
+               gamma = atof(com_argv[i + 1]);
+       i = COM_CheckParm("-texcontrast");
+       if (i)
+               scale = atof(com_argv[i + 1]);
+       i = COM_CheckParm("-texbrightness");
+       if (i)
+               base = atof(com_argv[i + 1]);
+       gamma = bound(0.01, gamma, 10.0);
+       scale = bound(0.01, scale, 10.0);
+       base = bound(0, base, 0.95);
+
+       BuildGammaTable8(1.0f, gamma, scale, base, temp);
+       for (i = 3;i < 765;i++)
+               host_basepal[i] = temp[host_basepal[i]];
+
        Palette_Setup8to24();
 //     Palette_Setup15to8();
 }