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Fix additive/subtractive walls not working when sectors have multiple lights in OpenGL

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This is a change that could have broken other areas so should be checked too for other areas
This commit is contained in:
Sryder 2020-10-25 00:27:28 +01:00
parent 282932862c
commit b16a16027d
1 changed files with 55 additions and 35 deletions
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90
src/hardware/hw_main.c
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@ -850,7 +850,7 @@ static float HWR_ClipViewSegment(INT32 x, polyvertex_t *v1, polyvertex_t *v2)
//
// HWR_SplitWall
//
static void HWR_SplitWall(sector_t *sector, FOutVector *wallVerts, INT32 texnum, FSurfaceInfo* Surf, INT32 cutflag, ffloor_t *pfloor)
static void HWR_SplitWall(sector_t *sector, FOutVector *wallVerts, INT32 texnum, FSurfaceInfo* Surf, INT32 cutflag, ffloor_t *pfloor, FBITFIELD blendmode)
{
/* SoM: split up and light walls according to the
lightlist. This may also include leaving out parts
@ -987,12 +987,12 @@ static void HWR_SplitWall(sector_t *sector, FOutVector *wallVerts, INT32 texnum,
wallVerts[0].y = bot;
wallVerts[1].y = endbot;
if (cutflag & FF_FOG)
HWR_AddTransparentWall(wallVerts, Surf, texnum, PF_Fog|PF_NoTexture, true, lightnum, colormap);
else if (cutflag & FF_TRANSLUCENT)
HWR_AddTransparentWall(wallVerts, Surf, texnum, PF_Translucent, false, lightnum, colormap);
if (blendmode & PF_Fog)
HWR_AddTransparentWall(wallVerts, Surf, texnum, blendmode, true, lightnum, colormap);
else if (blendmode & (PF_Translucent|PF_Additive|PF_Substractive|PF_Environment))
HWR_AddTransparentWall(wallVerts, Surf, texnum, blendmode, false, lightnum, colormap);
else
HWR_ProjectWall(wallVerts, Surf, PF_Masked, lightnum, colormap);
HWR_ProjectWall(wallVerts, Surf, blendmode, lightnum, colormap);
top = bot;
endtop = endbot;
@ -1016,12 +1016,12 @@ static void HWR_SplitWall(sector_t *sector, FOutVector *wallVerts, INT32 texnum,
wallVerts[0].y = bot;
wallVerts[1].y = endbot;
if (cutflag & FF_FOG)
HWR_AddTransparentWall(wallVerts, Surf, texnum, PF_Fog|PF_NoTexture, true, lightnum, colormap);
else if (cutflag & FF_TRANSLUCENT)
HWR_AddTransparentWall(wallVerts, Surf, texnum, PF_Translucent, false, lightnum, colormap);
if (blendmode & PF_Fog)
HWR_AddTransparentWall(wallVerts, Surf, texnum, blendmode, true, lightnum, colormap);
else if (blendmode & (PF_Translucent|PF_Additive|PF_Substractive|PF_Environment))
HWR_AddTransparentWall(wallVerts, Surf, texnum, blendmode, false, lightnum, colormap);
else
HWR_ProjectWall(wallVerts, Surf, PF_Masked, lightnum, colormap);
HWR_ProjectWall(wallVerts, Surf, blendmode, lightnum, colormap);
}
// HWR_DrawSkyWall
@ -1201,12 +1201,19 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
wallVerts[2].y = FIXED_TO_FLOAT(worldtopslope);
wallVerts[1].y = FIXED_TO_FLOAT(worldhighslope);
if (gl_frontsector->numlights)
HWR_SplitWall(gl_frontsector, wallVerts, gl_toptexture, &Surf, FF_CUTLEVEL, NULL);
else if (grTex->mipmap.flags & TF_TRANSPARENT)
HWR_AddTransparentWall(wallVerts, &Surf, gl_toptexture, PF_Environment, false, lightnum, colormap);
else
HWR_ProjectWall(wallVerts, &Surf, PF_Masked, lightnum, colormap);
{
FBITFIELD blendmode = PF_Masked;
if (grTex->mipmap.flags & TF_TRANSPARENT)
blendmode = PF_Environment;
if (gl_frontsector->numlights)
HWR_SplitWall(gl_frontsector, wallVerts, gl_toptexture, &Surf, FF_CUTLEVEL, NULL, blendmode);
else if (grTex->mipmap.flags & TF_TRANSPARENT)
HWR_AddTransparentWall(wallVerts, &Surf, gl_toptexture, blendmode, false, lightnum, colormap);
else
HWR_ProjectWall(wallVerts, &Surf, blendmode, lightnum, colormap);
}
}
// check BOTTOM TEXTURE
@ -1267,12 +1274,19 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
wallVerts[2].y = FIXED_TO_FLOAT(worldlowslope);
wallVerts[1].y = FIXED_TO_FLOAT(worldbottomslope);
if (gl_frontsector->numlights)
HWR_SplitWall(gl_frontsector, wallVerts, gl_bottomtexture, &Surf, FF_CUTLEVEL, NULL);
else if (grTex->mipmap.flags & TF_TRANSPARENT)
HWR_AddTransparentWall(wallVerts, &Surf, gl_bottomtexture, PF_Environment, false, lightnum, colormap);
else
HWR_ProjectWall(wallVerts, &Surf, PF_Masked, lightnum, colormap);
{
FBITFIELD blendmode = PF_Masked;
if (grTex->mipmap.flags & TF_TRANSPARENT)
blendmode = PF_Environment;
if (gl_frontsector->numlights)
HWR_SplitWall(gl_frontsector, wallVerts, gl_bottomtexture, &Surf, FF_CUTLEVEL, NULL, blendmode);
else if (grTex->mipmap.flags & TF_TRANSPARENT)
HWR_AddTransparentWall(wallVerts, &Surf, gl_bottomtexture, blendmode, false, lightnum, colormap);
else
HWR_ProjectWall(wallVerts, &Surf, blendmode, lightnum, colormap);
}
}
gl_midtexture = R_GetTextureNum(gl_sidedef->midtexture);
if (gl_midtexture)
@ -1490,10 +1504,10 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
if (gl_frontsector->numlights)
{
if (!(blendmode & PF_Masked))
HWR_SplitWall(gl_frontsector, wallVerts, gl_midtexture, &Surf, FF_TRANSLUCENT, NULL);
HWR_SplitWall(gl_frontsector, wallVerts, gl_midtexture, &Surf, FF_TRANSLUCENT, NULL, blendmode);
else
{
HWR_SplitWall(gl_frontsector, wallVerts, gl_midtexture, &Surf, FF_CUTLEVEL, NULL);
HWR_SplitWall(gl_frontsector, wallVerts, gl_midtexture, &Surf, FF_CUTLEVEL, NULL, blendmode);
}
}
else if (!(blendmode & PF_Masked))
@ -1574,15 +1588,21 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
wallVerts[2].y = FIXED_TO_FLOAT(worldtopslope);
wallVerts[1].y = FIXED_TO_FLOAT(worldbottomslope);
// I don't think that solid walls can use translucent linedef types...
if (gl_frontsector->numlights)
HWR_SplitWall(gl_frontsector, wallVerts, gl_midtexture, &Surf, FF_CUTLEVEL, NULL);
else
{
FBITFIELD blendmode = PF_Masked;
if (grTex->mipmap.flags & TF_TRANSPARENT)
HWR_AddTransparentWall(wallVerts, &Surf, gl_midtexture, PF_Environment, false, lightnum, colormap);
blendmode = PF_Environment;
// I don't think that solid walls can use translucent linedef types...
if (gl_frontsector->numlights)
HWR_SplitWall(gl_frontsector, wallVerts, gl_midtexture, &Surf, FF_CUTLEVEL, NULL, blendmode);
else
HWR_ProjectWall(wallVerts, &Surf, PF_Masked, lightnum, colormap);
{
if (grTex->mipmap.flags & TF_TRANSPARENT)
HWR_AddTransparentWall(wallVerts, &Surf, gl_midtexture, blendmode, false, lightnum, colormap);
else
HWR_ProjectWall(wallVerts, &Surf, blendmode, lightnum, colormap);
}
}
}
@ -1727,7 +1747,7 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
Surf.PolyColor.s.alpha = HWR_FogBlockAlpha(rover->master->frontsector->lightlevel, rover->master->frontsector->extra_colormap);
if (gl_frontsector->numlights)
HWR_SplitWall(gl_frontsector, wallVerts, 0, &Surf, rover->flags, rover);
HWR_SplitWall(gl_frontsector, wallVerts, 0, &Surf, rover->flags, rover, blendmode);
else
HWR_AddTransparentWall(wallVerts, &Surf, 0, blendmode, true, lightnum, colormap);
}
@ -1749,7 +1769,7 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
}
if (gl_frontsector->numlights)
HWR_SplitWall(gl_frontsector, wallVerts, texnum, &Surf, rover->flags, rover);
HWR_SplitWall(gl_frontsector, wallVerts, texnum, &Surf, rover->flags, rover, blendmode);
else
{
if (blendmode != PF_Masked)
@ -1834,7 +1854,7 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
Surf.PolyColor.s.alpha = HWR_FogBlockAlpha(rover->master->frontsector->lightlevel, rover->master->frontsector->extra_colormap);
if (gl_backsector->numlights)
HWR_SplitWall(gl_backsector, wallVerts, 0, &Surf, rover->flags, rover);
HWR_SplitWall(gl_backsector, wallVerts, 0, &Surf, rover->flags, rover, blendmode);
else
HWR_AddTransparentWall(wallVerts, &Surf, 0, blendmode, true, lightnum, colormap);
}
@ -1856,7 +1876,7 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
}
if (gl_backsector->numlights)
HWR_SplitWall(gl_backsector, wallVerts, texnum, &Surf, rover->flags, rover);
HWR_SplitWall(gl_backsector, wallVerts, texnum, &Surf, rover->flags, rover, blendmode);
else
{
if (blendmode != PF_Masked)