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sw/src/draw.cpp: Import from Duke3D the Polymost shadow drawing hacks

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NY00123 2020-04-19 21:15:57 +03:00 committed by Christoph Oelckers
parent 33043b3b05
commit 10e4c3e121
1 changed files with 24 additions and 2 deletions
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26
source/sw/src/draw.cpp
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@ -368,7 +368,7 @@ DoVoxelShadow(SPRITEp tspr)
#endif
void
DoShadows(tspriteptr_t tsp, int viewz)
DoShadows(tspriteptr_t tsp, int viewz, SWBOOL mirror)
{
tspriteptr_t New = &tsprite[spritesortcnt];
USERp tu = User[tsp->owner];
@ -456,6 +456,28 @@ DoShadows(tspriteptr_t tsp, int viewz)
New->xrepeat = xrepeat;
New->yrepeat = yrepeat;
#ifdef USE_OPENGL
if (videoGetRenderMode() >= REND_POLYMOST)
{
if (tilehasmodelorvoxel(tsp->picnum,tsp->pal))
{
New->yrepeat = 0;
// cstat: trans reverse
// clipdist: tell mdsprite.cpp to use Z-buffer hacks to hide overdraw issues
New->clipdist |= TSPR_FLAGS_MDHACK;
New->cstat |= 512;
}
else
{
int const camang = mirror ? NORM_ANGLE(2048 - Player[screenpeek].siang) : Player[screenpeek].siang;
vec2_t const ofs = { sintable[NORM_ANGLE(camang+512)]>>11, sintable[NORM_ANGLE(camang)]>>11};
New->x += ofs.x;
New->y += ofs.y;
}
}
#endif
// Check for voxel items and use a round generic pic if so
//DoVoxelShadow(New);
@ -758,7 +780,7 @@ analyzesprites(int viewx, int viewy, int viewz, SWBOOL mirror)
if (r_shadows && TEST(tu->Flags, SPR_SHADOW))
{
DoShadows(tsp, viewz);
DoShadows(tsp, viewz, mirror);
}
//#define UK_VERSION 1