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Hardware renderer: Fix polyobjects

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This commit is contained in:
Jaime Passos 2019-05-26 18:16:13 -03:00
parent a4a529bdb5
commit 0bcf89679e
3 changed files with 32 additions and 13 deletions
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2
src/hardware/hw_cache.c
View file

@ -677,7 +677,7 @@ GLTexture_t *HWR_GetTexture(INT32 tex)
return grtex;
}
// Lactozilla
// HWR_RenderPlane and HWR_RenderPolyObjectPlane need this to get the flat dimensions from a patch.
lumpnum_t gr_patchflat;
static void HWR_LoadPatchFlat(GLMipmap_t *grMipmap, lumpnum_t flatlumpnum)

38
src/hardware/hw_main.c
View file

@ -3172,6 +3172,8 @@ static void HWR_RenderPolyObjectPlane(polyobj_t *polysector, boolean isceiling,
INT32 i;
float flatxref,flatyref;
float fflatwidth, fflatheight;
INT32 flatflag;
boolean texflat = true;
size_t len;
float scrollx = 0.0f, scrolly = 0.0f;
angle_t angle = 0;
@ -3231,22 +3233,25 @@ static void HWR_RenderPolyObjectPlane(polyobj_t *polysector, boolean isceiling,
break;
}
if (gr_patchflat && R_CheckIfPatch(gr_patchflat)) // Just in case?
{
patch = (patch_t *)W_CacheLumpNum(gr_patchflat, PU_STATIC);
fflatwidth = patch->width;
fflatheight = patch->height;
}
flatflag = ((INT32)fflatwidth)-1;
if (texturenum != 0 && texturenum != -1)
{
fflatwidth = textures[texturenum]->width;
fflatheight = textures[texturenum]->height;
}
else if (gr_patchflat && R_CheckIfPatch(gr_patchflat)) // Just in case?
{
patch = (patch_t *)W_CacheLumpNum(gr_patchflat, PU_STATIC);
fflatwidth = SHORT(patch->width);
fflatheight = SHORT(patch->height);
}
else
texflat = false;
// reference point for flat texture coord for each vertex around the polygon
flatxref = (float)((polysector->origVerts[0].x % llrint(fflatwidth)) / fflatwidth);
flatyref = (float)((polysector->origVerts[0].y % llrint(fflatheight)) / fflatheight);
flatxref = (float)((polysector->origVerts[0].x & (~flatflag)) / fflatwidth);
flatyref = (float)((polysector->origVerts[0].y & (~flatflag)) / fflatheight);
// transform
v3d = planeVerts;
@ -3300,15 +3305,26 @@ static void HWR_RenderPolyObjectPlane(polyobj_t *polysector, boolean isceiling,
for (i = 0; i < (INT32)nrPlaneVerts; i++,v3d++)
{
// Hurdler: add scrolling texture on floor/ceiling
v3d->sow = (float)((FIXED_TO_FLOAT(polysector->origVerts[i].x) / fflatwidth) - flatxref + scrollx); // Go from the polysector's original vertex locations
v3d->tow = (float)(flatyref - (FIXED_TO_FLOAT(polysector->origVerts[i].y) / fflatheight) + scrolly); // Means the flat is offset based on the original vertex locations
// Go from the polysector's original vertex locations
// Means the flat is offset based on the original vertex locations
if (texflat)
{
v3d->sow = (float)(FIXED_TO_FLOAT(polysector->origVerts[i].x) / fflatwidth) + scrollx;
v3d->tow = -(float)(FIXED_TO_FLOAT(polysector->origVerts[i].y) / fflatheight) + scrolly;
}
else
{
v3d->sow = (float)((FIXED_TO_FLOAT(polysector->origVerts[i].x) / fflatwidth) - flatxref + scrollx);
v3d->tow = (float)(flatyref - (FIXED_TO_FLOAT(polysector->origVerts[i].y) / fflatheight) + scrolly);
}
// Need to rotate before translate
if (angle) // Only needs to be done if there's an altered angle
{
tempxsow = FLOAT_TO_FIXED(v3d->sow);
tempytow = FLOAT_TO_FIXED(v3d->tow);
if (texflat)
tempytow = -tempytow;
v3d->sow = (FIXED_TO_FLOAT(FixedMul(tempxsow, FINECOSINE(angle)) - FixedMul(tempytow, FINESINE(angle))));
v3d->tow = (FIXED_TO_FLOAT(-FixedMul(tempxsow, FINESINE(angle)) - FixedMul(tempytow, FINECOSINE(angle))));
}

5
src/p_setup.c
View file

@ -613,8 +613,11 @@ INT32 P_AddLevelFlatRuntime(const char *flatname)
// store the flat lump number
levelflat->lumpnum = R_GetFlatNumForName(flatname);
// Lactozilla
levelflat->texturenum = R_CheckTextureNumForName(flatname);
levelflat->lasttexturenum = levelflat->texturenum;
levelflat->baselumpnum = LUMPERROR;
levelflat->basetexturenum = -1;
#ifndef ZDEBUG
CONS_Debug(DBG_SETUP, "flat #%03d: %s\n", atoi(sizeu1(numlevelflats)), levelflat->name);