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https://git.do.srb2.org/KartKrew/Kart-Public.git
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OpenGL Sprite Splitting
This commit is contained in:
Sryder
parent
0885d27171
commit
839ee0ab85
1 changed files with 289 additions and 20 deletions
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@ -1219,7 +1219,9 @@ static void HWR_SplitWall(sector_t *sector, wallVert3D *wallVerts, INT32 texnum,
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}
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}
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#endif
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#endif
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#ifdef ESLOPE
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if (endbheight >= endtop)
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if (endbheight >= endtop)
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#endif
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if (bheight >= top)
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if (bheight >= top)
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continue;
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continue;
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@ -4099,6 +4101,285 @@ static void HWR_DrawSpriteShadow(gr_vissprite_t *spr, GLPatch_t *gpatch, float t
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}
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}
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}
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}
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static void HWR_SplitSprite(gr_vissprite_t *spr)
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{
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float this_scale = 1.0f;
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FOutVector wallVerts[4];
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GLPatch_t *gpatch;
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FSurfaceInfo Surf;
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const boolean hires = (spr->mobj && spr->mobj->skin && ((skin_t *)spr->mobj->skin)->flags & SF_HIRES);
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extracolormap_t *colormap;
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FUINT lightlevel;
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FBITFIELD blend = 0;
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UINT8 alpha;
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INT32 i;
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float realtop, realbot, top, bot;
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float towtop, towbot, towmult;
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float bheight;
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const sector_t *sector = spr->mobj->subsector->sector;
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const lightlist_t *list = sector->lightlist;
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#ifdef ESLOPE
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float endrealtop, endrealbot, endtop, endbot;
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float endbheight;
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fixed_t temp;
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fixed_t v1x, v1y, v2x, v2y;
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#endif
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this_scale = FIXED_TO_FLOAT(spr->mobj->scale);
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if (hires)
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this_scale = this_scale * FIXED_TO_FLOAT(((skin_t *)spr->mobj->skin)->highresscale);
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gpatch = W_CachePatchNum(spr->patchlumpnum, PU_CACHE);
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// cache the patch in the graphics card memory
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//12/12/99: Hurdler: same comment as above (for md2)
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//Hurdler: 25/04/2000: now support colormap in hardware mode
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HWR_GetMappedPatch(gpatch, spr->colormap);
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// Draw shadow BEFORE sprite
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if (cv_shadow.value // Shadows enabled
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&& (spr->mobj->flags & (MF_SCENERY|MF_SPAWNCEILING|MF_NOGRAVITY)) != (MF_SCENERY|MF_SPAWNCEILING|MF_NOGRAVITY) // Ceiling scenery have no shadow.
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&& !(spr->mobj->flags2 & MF2_DEBRIS) // Debris have no corona or shadow.
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#ifdef ALAM_LIGHTING
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&& !(t_lspr[spr->mobj->sprite]->type // Things with dynamic lights have no shadow.
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&& (!spr->mobj->player || spr->mobj->player->powers[pw_super])) // Except for non-super players.
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#endif
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&& (spr->mobj->z >= spr->mobj->floorz)) // Without this, your shadow shows on the floor, even after you die and fall through the ground.
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{
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////////////////////
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// SHADOW SPRITE! //
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////////////////////
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HWR_DrawSpriteShadow(spr, gpatch, this_scale);
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}
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wallVerts[0].x = wallVerts[3].x = spr->x1;
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wallVerts[2].x = wallVerts[1].x = spr->x2;
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wallVerts[0].z = wallVerts[3].z = spr->z1;
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wallVerts[1].z = wallVerts[2].z = spr->z2;
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wallVerts[2].y = wallVerts[3].y = spr->ty;
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if (spr->mobj && this_scale != 1.0f)
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wallVerts[0].y = wallVerts[1].y = spr->ty - gpatch->height * this_scale;
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else
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wallVerts[0].y = wallVerts[1].y = spr->ty - gpatch->height;
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v1x = FLOAT_TO_FIXED(spr->x1);
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v1y = FLOAT_TO_FIXED(spr->z1);
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v2x = FLOAT_TO_FIXED(spr->x2);
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v2y = FLOAT_TO_FIXED(spr->z2);
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if (spr->flip)
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{
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wallVerts[0].sow = wallVerts[3].sow = gpatch->max_s;
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wallVerts[2].sow = wallVerts[1].sow = 0;
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}else{
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wallVerts[0].sow = wallVerts[3].sow = 0;
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wallVerts[2].sow = wallVerts[1].sow = gpatch->max_s;
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}
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// flip the texture coords (look familiar?)
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if (spr->vflip)
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{
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wallVerts[3].tow = wallVerts[2].tow = gpatch->max_t;
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wallVerts[0].tow = wallVerts[1].tow = 0;
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}else{
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wallVerts[3].tow = wallVerts[2].tow = 0;
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wallVerts[0].tow = wallVerts[1].tow = gpatch->max_t;
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}
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realtop = top = wallVerts[3].y;
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realbot = bot = wallVerts[0].y;
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towtop = wallVerts[3].tow;
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towbot = wallVerts[0].tow;
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towmult = (towbot - towtop) / (top - bot);
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#ifdef ESLOPE
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endrealtop = endtop = wallVerts[2].y;
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endrealbot = endbot = wallVerts[1].y;
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#endif
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if (!cv_translucency.value) // translucency disabled
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{
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Surf.FlatColor.s.alpha = 0xFF;
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blend = PF_Translucent|PF_Occlude;
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}
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else if (spr->mobj->flags2 & MF2_SHADOW)
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{
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Surf.FlatColor.s.alpha = 0x40;
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blend = PF_Translucent;
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}
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else if (spr->mobj->frame & FF_TRANSMASK)
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blend = HWR_TranstableToAlpha((spr->mobj->frame & FF_TRANSMASK)>>FF_TRANSSHIFT, &Surf);
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else
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{
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// BP: i agree that is little better in environement but it don't
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// work properly under glide nor with fogcolor to ffffff :(
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// Hurdler: PF_Environement would be cool, but we need to fix
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// the issue with the fog before
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Surf.FlatColor.s.alpha = 0xFF;
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blend = PF_Translucent|PF_Occlude;
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}
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alpha = Surf.FlatColor.s.alpha;
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// Start with the lightlevel and colormap from the top of the sprite
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lightlevel = *list[sector->numlights - 1].lightlevel;
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colormap = list[sector->numlights - 1].extra_colormap;
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i = 0;
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temp = FLOAT_TO_FIXED(realtop);
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#ifdef ESLOPE
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for (i = 1; i < sector->numlights; i++)
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{
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fixed_t h = sector->lightlist[i].slope ? P_GetZAt(sector->lightlist[i].slope, spr->mobj->x, spr->mobj->y)
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: sector->lightlist[i].height;
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if (h <= temp)
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{
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lightlevel = *list[i-1].lightlevel;
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colormap = list[i-1].extra_colormap;
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break;
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}
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}
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#else
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i = R_GetPlaneLight(sector, temp, false);
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lightlevel = *list[i].lightlevel;
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colormap = list[i].extra_colormap;
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#endif
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for (i = 0; i < sector->numlights; i++)
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{
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#ifdef ESLOPE
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if (endtop < endrealbot)
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#endif
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if (top < realbot)
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return;
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// even if we aren't changing colormap or lightlevel, we still need to continue drawing down the sprite
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if (!(list[i].flags & FF_NOSHADE) && (list[i].flags & FF_CUTSPRITES))
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{
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lightlevel = *list[i].lightlevel;
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colormap = list[i].extra_colormap;
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}
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#ifdef ESLOPE
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if (i + 1 < sector->numlights)
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{
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if (list[i+1].slope)
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{
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temp = P_GetZAt(list[i+1].slope, v1x, v1y);
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bheight = FIXED_TO_FLOAT(temp);
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temp = P_GetZAt(list[i+1].slope, v2x, v2y);
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endbheight = FIXED_TO_FLOAT(temp);
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}
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else
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bheight = endbheight = FIXED_TO_FLOAT(list[i+1].height);
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}
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else
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{
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bheight = realbot;
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endbheight = endrealbot;
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}
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#else
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if (i + 1 < sector->numlights)
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{
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bheight = FIXED_TO_FLOAT(list[i+1].height);
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}
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else
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{
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bheight = realbot;
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}
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#endif
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#ifdef ESLOPE
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if (endbheight >= endtop)
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#endif
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if (bheight >= top)
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continue;
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bot = bheight;
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if (bot < realbot)
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bot = realbot;
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#ifdef ESLOPE
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endbot = endbheight;
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if (endbot < endrealbot)
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endbot = endrealbot;
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#endif
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#ifdef ESLOPE
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wallVerts[3].tow = towtop + ((realtop - top) * towmult);
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wallVerts[2].tow = towtop + ((endrealtop - endtop) * towmult);
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wallVerts[0].tow = towtop + ((realtop - bot) * towmult);
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wallVerts[1].tow = towtop + ((endrealtop - endbot) * towmult);
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wallVerts[3].y = top;
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wallVerts[2].y = endtop;
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wallVerts[0].y = bot;
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wallVerts[1].y = endbot;
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#else
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wallVerts[3].tow = wallVerts[2].tow = towtop + ((realtop - top) * towmult);
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wallVerts[0].tow = wallVerts[1].tow = towtop + ((realtop - bot) * towmult);
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wallVerts[2].y = wallVerts[3].y = top;
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wallVerts[0].y = wallVerts[1].y = bot;
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#endif
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if (colormap)
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Surf.FlatColor.rgba = HWR_Lighting(lightlevel, colormap->rgba, colormap->fadergba, false, false);
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else
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Surf.FlatColor.rgba = HWR_Lighting(lightlevel, NORMALFOG, FADEFOG, false, false);
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Surf.FlatColor.s.alpha = alpha;
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HWD.pfnDrawPolygon(&Surf, wallVerts, 4, blend|PF_Modulated|PF_Clip);
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top = bot;
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#ifdef ESLOPE
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endtop = endbot;
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#endif
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}
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bot = realbot;
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#ifdef ESLOPE
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endbot = endrealbot;
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if (endtop <= endrealbot)
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#endif
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if (top <= realbot)
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return;
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// If we're ever down here, somehow the above loop hasn't draw all the light levels of sprite
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#ifdef ESLOPE
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wallVerts[3].tow = towtop + ((realtop - top) * towmult);
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wallVerts[2].tow = towtop + ((endrealtop - endtop) * towmult);
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wallVerts[0].tow = towtop + ((realtop - bot) * towmult);
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wallVerts[1].tow = towtop + ((endrealtop - endbot) * towmult);
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wallVerts[3].y = top;
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wallVerts[2].y = endtop;
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wallVerts[0].y = bot;
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wallVerts[1].y = endbot;
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#else
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wallVerts[3].tow = wallVerts[2].tow = towtop + ((realtop - top) * towmult);
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wallVerts[0].tow = wallVerts[1].tow = towtop + ((realtop - bot) * towmult);
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wallVerts[2].y = wallVerts[3].y = top;
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wallVerts[0].y = wallVerts[1].y = bot;
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#endif
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if (colormap)
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Surf.FlatColor.rgba = HWR_Lighting(lightlevel, colormap->rgba, colormap->fadergba, false, false);
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else
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Surf.FlatColor.rgba = HWR_Lighting(lightlevel, NORMALFOG, FADEFOG, false, false);
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Surf.FlatColor.s.alpha = alpha;
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HWD.pfnDrawPolygon(&Surf, wallVerts, 4, blend|PF_Modulated|PF_Clip);
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}
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// -----------------+
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// -----------------+
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// HWR_DrawSprite : Draw flat sprites
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// HWR_DrawSprite : Draw flat sprites
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// : (monsters, bonuses, weapons, lights, ...)
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// : (monsters, bonuses, weapons, lights, ...)
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@ -4122,6 +4403,12 @@ static void HWR_DrawSprite(gr_vissprite_t *spr)
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if (!spr->mobj->subsector)
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if (!spr->mobj->subsector)
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return;
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return;
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if (spr->mobj->subsector->sector->numlights)
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{
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HWR_SplitSprite(spr);
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return;
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}
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// cache sprite graphics
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// cache sprite graphics
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//12/12/99: Hurdler:
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//12/12/99: Hurdler:
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// OK, I don't change anything for MD2 support because I want to be
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// OK, I don't change anything for MD2 support because I want to be
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@ -4207,26 +4494,8 @@ static void HWR_DrawSprite(gr_vissprite_t *spr)
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UINT8 lightlevel = 255;
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UINT8 lightlevel = 255;
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extracolormap_t *colormap = sector->extra_colormap;
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extracolormap_t *colormap = sector->extra_colormap;
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if (sector->numlights)
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if (!(spr->mobj->frame & FF_FULLBRIGHT))
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{
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lightlevel = sector->lightlevel;
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INT32 light;
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light = R_GetPlaneLight(sector, spr->mobj->z + spr->mobj->height, false); // Always use the light at the top instead of whatever I was doing before
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if (!(spr->mobj->frame & FF_FULLBRIGHT))
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lightlevel = *sector->lightlist[light].lightlevel;
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if (sector->lightlist[light].extra_colormap)
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colormap = sector->lightlist[light].extra_colormap;
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}
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else
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{
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if (!(spr->mobj->frame & FF_FULLBRIGHT))
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lightlevel = sector->lightlevel;
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if (sector->extra_colormap)
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colormap = sector->extra_colormap;
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}
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if (colormap)
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if (colormap)
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Surf.FlatColor.rgba = HWR_Lighting(lightlevel, colormap->rgba, colormap->fadergba, false, false);
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Surf.FlatColor.rgba = HWR_Lighting(lightlevel, colormap->rgba, colormap->fadergba, false, false);
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