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allow r_fog, r_volfog and r_wateralpha to be independent of each other. Interesting effects on entities (eg zombies on walls): they wind up full white (1,1,1, I guess).

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This commit is contained in:
Bill Currie 2000-04-24 09:48:48 +00:00
parent 451b4056a4
commit 32b012dda0
1 changed files with 18 additions and 2 deletions
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20
common/gl_rmain.c
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@ -1068,7 +1068,7 @@ R_RenderView ( void ) {
// render normal view
/*** Render Volumetric Fog ***/
#if 0
if(r_volfog->value)
{
R_RenderScene ();
@ -1119,17 +1119,33 @@ R_RenderView ( void ) {
/*** Regular rendering code ***/
else
#endif
{
if (r_fog->value) {
glFogi (GL_FOG_MODE, GL_EXP2);
glFogfv (GL_FOG_COLOR, colors);
glFogf (GL_FOG_DENSITY, (GLfloat) r_fog->value);
glEnable (GL_FOG);
}
R_RenderScene ();
R_DrawViewModel ();
if (r_wateralpha->value<1.0) {
if (r_wateralpha->value<1.0 || r_volfog->value) {
glClear(GL_STENCIL_BUFFER_BIT);
glStencilFunc(GL_ALWAYS, 1, 1);
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
}
if (r_volfog->value && !r_fog->value) {
glFogi (GL_FOG_MODE, GL_EXP2);
glFogfv (GL_FOG_COLOR, colors);
// fixme: GL_FOG_DENSITY should have r_volfog_density var
glFogf (GL_FOG_DENSITY, r_volfog->value);
glEnable (GL_FOG);
}
R_DrawWaterSurfaces ();
if (r_volfog->value || r_fog->value)
glDisable(GL_FOG);
if (r_wateralpha->value<1.0) {
glStencilFunc(GL_EQUAL, 1, 1);
glStencilMask(GL_FALSE);