static void fshader_select (int select_in)
{
FShader* s;
Env* e;
fshader_selected = select_in - FSHADER_BASE;
if (fshader_selected == -1 || !CVarUtils::GetCVar<bool> ("render.textured")) {
cgGLDisableProfile (cgp_fragment);
return;
}
if (!CVarUtils::GetCVar<bool> ("render.shaders"))
return;
s = &fshader_list[fshader_selected];
e = EnvGet ();
cgGLEnableProfile (cgp_fragment);
cgGLBindProgram (s->program);
if (select_in == FSHADER_CLOUDS) {
GLrgba c = (e->color[ENV_COLOR_SKY] + e->color[ENV_COLOR_HORIZON]) / 2.0f;
cgGLSetParameter3f (s->fogcolor, c.red, c.green, c.blue);
} else
cgGLSetParameter3f (s->fogcolor, e->color[ENV_COLOR_FOG].red, e->color[ENV_COLOR_FOG].green, e->color[ENV_COLOR_FOG].blue);
cgGLSetTextureParameter (s->texture, TextureIdFromName ("clouds.png"));
cgGLSetParameter4f (s->data, wind, e->cloud_cover, 1 - e->star_fade, 0);
cgGLEnableTextureParameter (s->texture);
}
static void vshader_select (int select)
{
VShader* s;
GLvector p;
Env* e;
GLrgba c;
float val1, val2;
vshader_selected = select;
if (!CVarUtils::GetCVar<bool> ("render.shaders"))
return;
if (select == VSHADER_NONE) {
cgGLDisableProfile (cgp_vertex);
return;
}
val1 = val2 = 0.0f;
if (select == VSHADER_TREES || select == VSHADER_GRASS)
val1 = wind;
if (select == VSHADER_CLOUDS)
val1 = wind / 5;
s = &vshader_list[select];
e = EnvGet ();
cgGLEnableProfile (cgp_vertex);
cgGLBindProgram (s->program);
cgGLSetParameter3f (s->lightpos, -e->light.x, -e->light.y, -e->light.z);
c = e->color[ENV_COLOR_LIGHT];
cgGLSetParameter3f (s->lightcol, c.red, c.green, c.blue);
c = e->color[ENV_COLOR_AMBIENT] * glRgba (0.2f, 0.2f, 1.0f);
cgGLSetParameter3f (s->ambientcol, c.red, c.green, c.blue);
p = AvatarCameraPosition ();
cgGLSetParameter3f (s->eyepos, p.x, p.y, p.z);
cgGLSetStateMatrixParameter(s->matrix, CG_GL_MODELVIEW_PROJECTION_MATRIX, CG_GL_MODELVIEW_MATRIX);
cgGLSetParameter2f (s->fog, e->fog.rmin, e->fog.rmax);
cgGLSetParameter4f (s->data, SceneVisibleRange (), SceneVisibleRange () * 0.05, val1, val2);
glColor3f (1,1,1);
}
void inithome () {
register char *s;
if (s = EnvGet ("HOME"))
home = s;
}