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- Applied patch from Steven Winston for variable skybox

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This commit is contained in:
Jamie Wilkinson 2003-02-23 12:38:09 +00:00
parent 4c3dd08845
commit 1035689544
3 changed files with 28 additions and 5 deletions
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1
src/gl_local.h
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@ -257,6 +257,7 @@ extern int gl_tex_alpha_format;
extern int c_visible_lightmaps;
extern int c_visible_textures;
extern cvar_t *skydistance; /* skybox size change */
extern float r_world_matrix[16];

26
src/gl_rmain.c
View file

@ -143,6 +143,7 @@ cvar_t *gl_3dlabs_broken;
cvar_t *vid_fullscreen;
cvar_t *vid_gamma;
cvar_t *vid_ref;
cvar_t *skydistance;
/*
=================
@ -716,6 +717,9 @@ void R_SetupGL (void)
float screenaspect;
// float yfov;
int x, x2, y2, y, w, h;
/* skybox vars */
static GLdouble farz;
GLdouble boxsize;
//
// set up viewport
@ -730,6 +734,23 @@ void R_SetupGL (void)
qglViewport (x, y2, w, h);
/* block of code for SkyBox Size change */
if (skydistance->modified) {
skydistance->modified = false;
boxsize = skydistance->value;
boxsize -= 252 * ceil(boxsize / 2300);
farz = 1.0;
while (farz < boxsize) { /* make this value a power-of-2 */
farz *= 2.0;
if (farz >= 65536.0) /* don't make it larger than this */
break;
}
/* double since boxsize is distance from camera to
* edge of skybox - not total size of skybox */
farz *= 2.0;
ri.Con_Printf(PRINT_DEVELOPER, "farz now set to %g\n", farz);
}
//
// set up projection matrix
//
@ -737,7 +758,7 @@ void R_SetupGL (void)
// yfov = 2*atan((float)r_newrefdef.height/r_newrefdef.width)*180/M_PI;
qglMatrixMode(GL_PROJECTION);
qglLoadIdentity ();
MYgluPerspective (r_newrefdef.fov_y, screenaspect, 4, 4096);
MYgluPerspective(r_newrefdef.fov_y, screenaspect, 4, farz);
qglCullFace(GL_FRONT);
@ -1064,6 +1085,7 @@ void R_Register( void )
vid_fullscreen = ri.Cvar_Get( "vid_fullscreen", "0", CVAR_ARCHIVE );
vid_gamma = ri.Cvar_Get( "vid_gamma", "1.0", CVAR_ARCHIVE );
vid_ref = ri.Cvar_Get( "vid_ref", "soft", CVAR_ARCHIVE );
skydistance = ri.Cvar_Get("skydistance", "2300", CVAR_ARCHIVE);
ri.Cmd_AddCommand( "imagelist", GL_ImageList_f );
ri.Cmd_AddCommand( "screenshot", GL_ScreenShot_f );
@ -1090,7 +1112,7 @@ qboolean R_SetMode (void)
}
#endif
fullscreen = vid_fullscreen->value;
skydistance->modified = true;
vid_fullscreen->modified = false;
gl_mode->modified = false;

6
src/gl_warp.c
View file

@ -521,9 +521,9 @@ void MakeSkyVec (float s, float t, int axis)
vec3_t v, b;
int j, k;
b[0] = s*2300;
b[1] = t*2300;
b[2] = 2300;
b[0] = s * skydistance->value;
b[1] = t * skydistance->value;
b[2] = skydistance->value;
for (j=0 ; j<3 ; j++)
{