void LoadSky_f(void);
cvar_t r_skyquality = {CVAR_SAVE, "r_skyquality", "2"};
-cvar_t r_mergesky = {CVAR_SAVE, "r_mergesky", "0"};
cvar_t r_skyflush = {0, "r_skyflush", "0"};
static char skyworldname[1024];
-rtexture_t *mergeskytexture;
rtexture_t *solidskytexture;
rtexture_t *alphaskytexture;
static qboolean skyavailable_quake;
int skyrendermasked;
int skyrenderglquake;
-static void R_BuildSky (int scrollupper, int scrolllower);
-
static void r_sky_start(void)
{
skytexturepool = R_AllocTexturePool();
- mergeskytexture = NULL;
solidskytexture = NULL;
alphaskytexture = NULL;
}
static void r_sky_shutdown(void)
{
R_FreeTexturePool(&skytexturepool);
- mergeskytexture = NULL;
solidskytexture = NULL;
alphaskytexture = NULL;
}
{
Cmd_AddCommand ("loadsky", &LoadSky_f);
Cvar_RegisterVariable (&r_skyquality);
- Cvar_RegisterVariable (&r_mergesky);
Cvar_RegisterVariable (&r_skyflush);
R_RegisterModule("R_Sky", r_sky_start, r_sky_shutdown, r_sky_newmap);
}
break;
}
}
- if (r_mergesky.integer && (skyrenderglquake || skyrendersphere))
- {
- // R_BuildSky((int) (cl.time * 8.0), (int) (cl.time * 16.0));
- // R_BuildSky((int) (cl.time * -8.0), 0);
- R_BuildSky(0, (int) (cl.time * 8.0));
- }
if (skyrenderbox || skyrendersphere)
{
// for depth-masked sky, render the sky on the first sky surface encountered
static rtexture_t *skyboxside[6];
int R_SetSkyBox(char *sky)
{
- int i;
- char name[1024];
- byte* image_rgba;
+ int i;
+ char name[1024];
+ qbyte *image_rgba;
if (strcmp(sky, skyname) == 0) // no change
return true;
speedscale2 = cl.time*16.0/128.0;
speedscale2 -= (int)speedscale2;
skyspherearrays(vert, tex, tex2, skysphere, speedscale, speedscale2);
- // do not lock the texcoord array, because it will be switched
- if (r_mergesky.integer)
- {
- m.tex[0] = R_GetTexture(mergeskytexture);
- R_Mesh_Draw(&m);
- }
- else
- {
- m.tex[0] = R_GetTexture(solidskytexture);
- R_Mesh_Draw(&m);
-
- m.blendfunc1 = GL_SRC_ALPHA;
- m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
- m.tex[0] = R_GetTexture(alphaskytexture);
- m.texcoords[0] = tex2;
- R_Mesh_Draw(&m);
- }
+ m.tex[0] = R_GetTexture(solidskytexture);
+ R_Mesh_Draw(&m);
+
+ m.blendfunc1 = GL_SRC_ALPHA;
+ m.blendfunc2 = GL_ONE_MINUS_SRC_ALPHA;
+ m.tex[0] = R_GetTexture(alphaskytexture);
+ m.texcoords[0] = tex2;
+ R_Mesh_Draw(&m);
R_Mesh_Render();
if (r_skyflush.integer)
glFlush();
//===============================================================
-static byte skyupperlayerpixels[128*128*4];
-static byte skylowerlayerpixels[128*128*4];
-static byte skymergedpixels[128*128*4];
-
-static void R_BuildSky (int scrollupper, int scrolllower)
-{
- int x, y, ux, uy, lx, ly;
- byte *m, *u, *l;
- m = skymergedpixels;
- for (y = 0;y < 128;y++)
- {
- uy = (y + scrollupper) & 127;
- ly = (y + scrolllower) & 127;
- for (x = 0;x < 128;x++)
- {
- ux = (x + scrollupper) & 127;
- lx = (x + scrolllower) & 127;
- u = &skyupperlayerpixels[(uy * 128 + ux) * 4];
- l = &skylowerlayerpixels[(ly * 128 + lx) * 4];
- if (l[3])
- {
- if (l[3] == 255)
- *((int *)m) = *((int *)l);
- else
- {
- m[0] = ((((int) l[0] - (int) u[0]) * (int) l[3]) >> 8) + (int) u[0];
- m[1] = ((((int) l[1] - (int) u[1]) * (int) l[3]) >> 8) + (int) u[1];
- m[2] = ((((int) l[2] - (int) u[2]) * (int) l[3]) >> 8) + (int) u[2];
- m[3] = 255;
- }
- }
- else
- *((int *)m) = *((int *)u);
- m += 4;
- }
- }
- if (mergeskytexture)
- R_UpdateTexture(mergeskytexture, skymergedpixels);
- else
- mergeskytexture = R_LoadTexture(skytexturepool, "mergedskytexture", 128, 128, skymergedpixels, TEXTYPE_RGBA, TEXF_ALWAYSPRECACHE);
-}
-
/*
=============
R_InitSky
A sky texture is 256*128, with the right side being a masked overlay
==============
*/
-void R_InitSky (byte *src, int bytesperpixel)
+void R_InitSky (qbyte *src, int bytesperpixel)
{
- int i, j, p;
- unsigned trans[128*128];
- unsigned transpix;
- int r, g, b;
- unsigned *rgba;
+ int i, j, p, r, g, b;
+ qbyte skyupperlayerpixels[128*128*4], skylowerlayerpixels[128*128*4];
+ unsigned trans[128*128], transpix, *rgba;
strcpy(skyworldname, loadmodel->name);
// flush skytexturepool so we won't build up a leak from uploading textures multiple times
R_FreeTexturePool(&skytexturepool);
skytexturepool = R_AllocTexturePool();
- mergeskytexture = NULL;
solidskytexture = NULL;
alphaskytexture = NULL;
p = src[i*256 + j + 128];
rgba = &d_8to24table[p];
trans[(i*128) + j] = *rgba;
- r += ((byte *)rgba)[0];
- g += ((byte *)rgba)[1];
- b += ((byte *)rgba)[2];
+ r += ((qbyte *)rgba)[0];
+ g += ((qbyte *)rgba)[1];
+ b += ((qbyte *)rgba)[2];
}
}
- ((byte *)&transpix)[0] = r/(128*128);
- ((byte *)&transpix)[1] = g/(128*128);
- ((byte *)&transpix)[2] = b/(128*128);
- ((byte *)&transpix)[3] = 0;
+ ((qbyte *)&transpix)[0] = r/(128*128);
+ ((qbyte *)&transpix)[1] = g/(128*128);
+ ((qbyte *)&transpix)[2] = b/(128*128);
+ ((qbyte *)&transpix)[3] = 0;
}
memcpy(skyupperlayerpixels, trans, 128*128*4);
- solidskytexture = R_LoadTexture (skytexturepool, "sky_solidtexture", 128, 128, (byte *) trans, TEXTYPE_RGBA, TEXF_PRECACHE);
+ solidskytexture = R_LoadTexture (skytexturepool, "sky_solidtexture", 128, 128, (qbyte *) trans, TEXTYPE_RGBA, TEXF_PRECACHE);
/*
for (i = 0;i < 128*128;i++)
{
- ((byte *)&trans[i])[0] >>= 1;
- ((byte *)&trans[i])[1] >>= 1;
- ((byte *)&trans[i])[2] >>= 1;
+ ((qbyte *)&trans[i])[0] >>= 1;
+ ((qbyte *)&trans[i])[1] >>= 1;
+ ((qbyte *)&trans[i])[2] >>= 1;
}
- solidskytexture_half = R_LoadTexture (skytexturepool, "sky_solidtexture_half", 128, 128, (byte *) trans, TEXTYPE_RGBA, TEXF_PRECACHE);
+ solidskytexture_half = R_LoadTexture (skytexturepool, "sky_solidtexture_half", 128, 128, (qbyte *) trans, TEXTYPE_RGBA, TEXF_PRECACHE);
*/
if (bytesperpixel == 4)
memcpy(skylowerlayerpixels, trans, 128*128*4);
- alphaskytexture = R_LoadTexture (skytexturepool, "sky_alphatexture", 128, 128, (byte *) trans, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE);
+ alphaskytexture = R_LoadTexture (skytexturepool, "sky_alphatexture", 128, 128, (qbyte *) trans, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE);
/*
for (i = 0;i < 128*128;i++)
{
- ((byte *)&trans[i])[0] >>= 1;
- ((byte *)&trans[i])[1] >>= 1;
- ((byte *)&trans[i])[2] >>= 1;
+ ((qbyte *)&trans[i])[0] >>= 1;
+ ((qbyte *)&trans[i])[1] >>= 1;
+ ((qbyte *)&trans[i])[2] >>= 1;
}
- alphaskytexture_half = R_LoadTexture (skytexturepool, "sky_alphatexture_half", 128, 128, (byte *) trans, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE);
+ alphaskytexture_half = R_LoadTexture (skytexturepool, "sky_alphatexture_half", 128, 128, (qbyte *) trans, TEXTYPE_RGBA, TEXF_ALPHA | TEXF_PRECACHE);
*/
}