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Prevent FOF alpha from wrapping around in OpenGL

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This commit is contained in:
spherallic 2023-08-17 20:15:03 +02:00
parent 66cc6a5f44
commit 07ef7c4639
1 changed files with 4 additions and 4 deletions
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8
src/hardware/hw_main.c
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@ -1699,7 +1699,7 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
if ((rover->fofflags & FOF_TRANSLUCENT && !(rover->fofflags & FOF_SPLAT)) || rover->blend)
{
blendmode = rover->blend ? HWR_GetBlendModeFlag(rover->blend) : PF_Translucent;
Surf.PolyColor.s.alpha = (UINT8)rover->alpha-1 > 255 ? 255 : rover->alpha-1;
Surf.PolyColor.s.alpha = max(0, min(rover->alpha, 255));
}
if (gl_frontsector->numlights)
@ -1822,7 +1822,7 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
if ((rover->fofflags & FOF_TRANSLUCENT && !(rover->fofflags & FOF_SPLAT)) || rover->blend)
{
blendmode = rover->blend ? HWR_GetBlendModeFlag(rover->blend) : PF_Translucent;
Surf.PolyColor.s.alpha = (UINT8)rover->alpha-1 > 255 ? 255 : rover->alpha-1;
Surf.PolyColor.s.alpha = max(0, min(rover->alpha, 255));
}
if (gl_backsector->numlights)
@ -3095,7 +3095,7 @@ static void HWR_Subsector(size_t num)
false,
*rover->bottomheight,
*gl_frontsector->lightlist[light].lightlevel,
rover->alpha-1 > 255 ? 255 : rover->alpha-1, rover->master->frontsector,
max(0, min(rover->alpha, 255)), rover->master->frontsector,
HWR_RippleBlend(gl_frontsector, rover, false) | (rover->blend ? HWR_GetBlendModeFlag(rover->blend) : PF_Translucent),
false, *gl_frontsector->lightlist[light].extra_colormap);
}
@ -3141,7 +3141,7 @@ static void HWR_Subsector(size_t num)
true,
*rover->topheight,
*gl_frontsector->lightlist[light].lightlevel,
rover->alpha-1 > 255 ? 255 : rover->alpha-1, rover->master->frontsector,
max(0, min(rover->alpha, 255)), rover->master->frontsector,
HWR_RippleBlend(gl_frontsector, rover, false) | (rover->blend ? HWR_GetBlendModeFlag(rover->blend) : PF_Translucent),
false, *gl_frontsector->lightlist[light].extra_colormap);
}