fte/quakespasm
2
0
Fork 0
mirror of https://github.com/Shpoike/Quakespasm.git synced 2025-02-20 19:12:03 +00:00
Code Issues Projects Releases Packages Wiki Activity

Mask off sky depth after drawing skyrooms, to avoid nasty surprises. Also don't get confused by the viewmodel's depthhack.

Browse source
This commit is contained in:
Shpoike 2021-06-25 19:15:10 +01:00
parent 8a3b440e59
commit f1cc25c0b8
3 changed files with 37 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
quakespasm/Quake/gl_rmain.c
View file

@ -22,6 +22,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// r_main.c
#include "quakedef.h"
#include "glquake.h"
qboolean r_cache_thrash; // compatability
@ -727,7 +728,7 @@ R_DrawViewModel -- johnfitz -- gutted
*/
void R_DrawViewModel (void)
{
if (!r_drawviewmodel.value || !r_drawentities.value || chase_active.value)
if (!r_drawviewmodel.value || !r_drawentities.value || chase_active.value || skyroom_drawing/*silly depthrange*/)
return;
if (cl.items & IT_INVISIBILITY || cl.stats[STAT_HEALTH] <= 0)
@ -1208,6 +1209,7 @@ void R_RenderView (void)
VectorAngles(axis[0], axis[2], r_refdef.viewangles);
}
skyroom_drawing = true;
R_SetupView ();
//note: sky boxes are generally considered an 'infinite' distance away such that you'd not see paralax.
//that's my excuse for not handling r_stereo here, and I'm sticking to it.
@ -1217,6 +1219,7 @@ void R_RenderView (void)
VectorCopy(viewang, r_refdef.viewangles);
skyroom_drawn = true; //disable glClear(GL_COLOR_BUFFER_BIT)
}
skyroom_drawing = false;
//skyroom end
R_SetupView (); //johnfitz -- this does everything that should be done once per frame

33
quakespasm/Quake/gl_sky.c
View file

@ -35,6 +35,7 @@ extern int rs_skypasses; //for r_speeds readout
float skyflatcolor[3];
float skymins[2][6], skymaxs[2][6];
qboolean skyroom_drawing;
qboolean skyroom_drawn;
qboolean skyroom_enabled;
vec4_t skyroom_origin;
@ -1068,9 +1069,39 @@ void Sky_DrawSky (void)
int i;
//in these special render modes, the sky faces are handled in the normal world/brush renderer
if (r_drawflat_cheatsafe || r_lightmap_cheatsafe || skyroom_drawn)
if (r_drawflat_cheatsafe || r_lightmap_cheatsafe)
return;
if (skyroom_drawn)
{ //Spike: We already drew a skyroom underneath. If we draw an actual sky now then we'll have wasted all that effort.
//however, if we fiddle with stuff, we can make sure that other surfaces don't draw over it either.
int i;
msurface_t *s;
texture_t *t;
glColorMask(false,false,false,false);
glDisable (GL_TEXTURE_2D);
for (i=0 ; i<cl.worldmodel->numtextures ; i++)
{
t = cl.worldmodel->textures[i];
if (!t || !t->texturechains[chain_world] || !(t->texturechains[chain_world]->flags & SURF_DRAWSKY))
continue;
for (s = t->texturechains[chain_world]; s; s = s->texturechain)
if (!s->culled)
{
DrawGLPoly(s->polys);
rs_brushpasses++;
Sky_ProcessPoly (s->polys);
}
}
glEnable (GL_TEXTURE_2D);
glColorMask(true,true,true,true);
return;
}
//
// reset sky bounds
//

2
quakespasm/Quake/glquake.h
View file

@ -440,7 +440,7 @@ void Sky_DrawSky (void);
void Sky_NewMap (void);
void Sky_LoadTexture (texture_t *mt, enum srcformat fmt, unsigned int width, unsigned int height);
void Sky_LoadSkyBox (const char *name);
extern qboolean skyroom_drawn; //we draw a skyroom this frame
extern qboolean skyroom_drawn, skyroom_drawing; //we draw a skyroom this frame
extern qboolean skyroom_enabled; //we know where the skyroom is ...
extern vec4_t skyroom_origin; //... and it is here. [3] is paralax scale
extern vec4_t skyroom_orientation;