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https://git.do.srb2.org/STJr/SRB2.git
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Cleanup HWR_RenderExtraTexture a bit
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Lactozilla
parent
e448e60a44
commit
a64d107cda
1 changed files with 79 additions and 83 deletions
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@ -1330,29 +1330,31 @@ static void HWR_GetExtraTextureCoords(unsigned which, fixed_t *top, fixed_t *bot
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// Draws an extra texture (WIP)
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// This function is huge and lengthy (sorry) as it may need to split a wall in half
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static void HWR_RenderExtraTexture(unsigned which, v2d_t vs, v2d_t ve, fixed_t texturehpeg, fixed_t worldtop, fixed_t worldbottom, fixed_t worldhigh, fixed_t worldlow, fixed_t worldtopslope, fixed_t worldbottomslope, fixed_t worldhighslope, fixed_t worldlowslope, UINT32 lightnum, FOutVector *inWallVerts)
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static void HWR_RenderExtraTexture(unsigned which, v2d_t vs, v2d_t ve, float xcliplow, float xcliphigh, UINT32 lightnum)
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{
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INT32 texnum = R_GetTextureNum(gl_sidedef->overlays[which].texture);
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if (texnum <= 0 || texnum >= numtextures)
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return;
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FOutVector wallVerts[4];
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UINT8 intersected = 0;
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fixed_t v1x = 0, v1y = 0, v2x = 0, v2y = 0;
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float ptx = 0.0f, pty = 0.0f;
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fixed_t cliptop = 0, clipbottom = 0, cliphigh = 0, cliplow = 0;
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fixed_t cliptopslope = 0, clipbottomslope = 0, cliphighslope = 0, cliplowslope = 0;
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fixed_t v1x = FloatToFixed(vs.x);
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fixed_t v1y = FloatToFixed(vs.y);
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fixed_t v2x = FloatToFixed(ve.x);
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fixed_t v2y = FloatToFixed(ve.y);
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sector_t *back = gl_backsector ? gl_backsector : gl_frontsector;
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FSurfaceInfo Surf;
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Surf.PolyColor.s.alpha = 255;
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Surf.PolyFlags = PF_Masked;
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fixed_t worldtop = P_GetSectorCeilingZAt(gl_frontsector, v1x, v1y);
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fixed_t worldtopslope = P_GetSectorCeilingZAt(gl_frontsector, v2x, v2y);
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fixed_t worldbottom = P_GetSectorFloorZAt(gl_frontsector, v1x, v1y);
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fixed_t worldbottomslope = P_GetSectorFloorZAt(gl_frontsector, v2x, v2y);
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fixed_t worldhigh = P_GetSectorCeilingZAt(back, v1x, v1y);
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fixed_t worldhighslope = P_GetSectorCeilingZAt(back, v2x, v2y);
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fixed_t worldlow = P_GetSectorFloorZAt(back, v1x, v1y);
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fixed_t worldlowslope = P_GetSectorFloorZAt(back, v2x, v2y);
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fixed_t texheight = FixedDiv(textureheight[texnum], abs(gl_sidedef->overlays[which].scaley));
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INT32 repeats;
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if (gl_sidedef->flags & GET_SIDEFLAG_EDGEWRAP(which))
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@ -1364,23 +1366,23 @@ static void HWR_RenderExtraTexture(unsigned which, v2d_t vs, v2d_t ve, fixed_t t
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if (IS_TOP_EDGE_TEXTURE(which))
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{
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high = max(
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P_GetSectorCeilingZAt(gl_frontsector, gl_curline->v1->x, gl_curline->v1->y),
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P_GetSectorCeilingZAt(gl_frontsector, gl_curline->v2->x, gl_curline->v2->y)
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P_GetSectorCeilingZAt(gl_frontsector, v1x, v1y),
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P_GetSectorCeilingZAt(gl_frontsector, v2x, v2y)
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);
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low = min(
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P_GetSectorCeilingZAt(gl_backsector, gl_curline->v1->x, gl_curline->v1->y),
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P_GetSectorCeilingZAt(gl_backsector, gl_curline->v2->x, gl_curline->v2->y)
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P_GetSectorCeilingZAt(gl_backsector, v1x, v1y),
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P_GetSectorCeilingZAt(gl_backsector, v2x, v2y)
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);
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}
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else
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{
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high = max(
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P_GetSectorFloorZAt(gl_frontsector, gl_curline->v1->x, gl_curline->v1->y),
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P_GetSectorFloorZAt(gl_frontsector, gl_curline->v2->x, gl_curline->v2->y)
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P_GetSectorFloorZAt(gl_frontsector, v1x, v1y),
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P_GetSectorFloorZAt(gl_frontsector, v2x, v2y)
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);
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low = min(
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P_GetSectorFloorZAt(gl_backsector, gl_curline->v1->x, gl_curline->v1->y),
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P_GetSectorFloorZAt(gl_backsector, gl_curline->v2->x, gl_curline->v2->y)
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P_GetSectorFloorZAt(gl_backsector, v1x, v1y),
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P_GetSectorFloorZAt(gl_backsector, v2x, v2y)
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);
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}
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}
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@ -1407,8 +1409,7 @@ static void HWR_RenderExtraTexture(unsigned which, v2d_t vs, v2d_t ve, fixed_t t
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float xscale = FixedToFloat(gl_sidedef->overlays[which].scalex);
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float yscale = FixedToFloat(gl_sidedef->overlays[which].scaley);
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float xcliplow = (float)texturehpeg;
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float xcliphigh = (float)(texturehpeg + (gl_curline->flength*FRACUNIT));
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float xcliplowbase = xcliplow;
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float xclipoffset = 0.0f;
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fixed_t polytop, polybottom;
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@ -1444,9 +1445,17 @@ static void HWR_RenderExtraTexture(unsigned which, v2d_t vs, v2d_t ve, fixed_t t
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fixed_t hS = polytopslope;
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fixed_t lS = polybottomslope;
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memcpy(wallVerts, inWallVerts, sizeof(wallVerts));
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FOutVector wallVerts[4];
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wallVerts[0].x = wallVerts[3].x = vs.x;
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wallVerts[0].z = wallVerts[3].z = vs.y;
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wallVerts[2].x = wallVerts[1].x = ve.x;
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wallVerts[2].z = wallVerts[1].z = ve.y;
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// If this edge extends over a wall that is sloped, it needs to be split
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UINT8 intersected = 0;
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float ptx = 0.0f, pty = 0.0f;
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if (h > highcut || hS > highcutslope || l < lowcut || lS < lowcutslope)
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{
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float polypos = 0.0f;
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@ -1566,7 +1575,7 @@ static void HWR_RenderExtraTexture(unsigned which, v2d_t vs, v2d_t ve, fixed_t t
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wallVerts[2].z = wallVerts[1].z = pty;
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xclipoffset = gl_curline->flength * t * FRACUNIT;
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xcliphigh = (float)(texturehpeg + xclipoffset);
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xcliphigh = (float)(xcliplow + xclipoffset);
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}
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// Left side
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else if (intersected == 2)
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@ -1584,15 +1593,15 @@ static void HWR_RenderExtraTexture(unsigned which, v2d_t vs, v2d_t ve, fixed_t t
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}
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// Get new coordinates based on this split
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cliptop = P_GetSectorCeilingZAt(gl_frontsector, v1x, v1y);
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cliptopslope = P_GetSectorCeilingZAt(gl_frontsector, v2x, v2y);
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clipbottom = P_GetSectorFloorZAt(gl_frontsector, v1x, v1y);
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clipbottomslope = P_GetSectorFloorZAt(gl_frontsector, v2x, v2y);
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fixed_t cliptop = P_GetSectorCeilingZAt(gl_frontsector, v1x, v1y);
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fixed_t cliptopslope = P_GetSectorCeilingZAt(gl_frontsector, v2x, v2y);
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fixed_t clipbottom = P_GetSectorFloorZAt(gl_frontsector, v1x, v1y);
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fixed_t clipbottomslope = P_GetSectorFloorZAt(gl_frontsector, v2x, v2y);
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cliphigh = P_GetSectorCeilingZAt(back, v1x, v1y);
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cliphighslope = P_GetSectorCeilingZAt(back, v2x, v2y);
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cliplow = P_GetSectorFloorZAt(back, v1x, v1y);
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cliplowslope = P_GetSectorFloorZAt(back, v2x, v2y);
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fixed_t cliphigh = P_GetSectorCeilingZAt(back, v1x, v1y);
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fixed_t cliphighslope = P_GetSectorCeilingZAt(back, v2x, v2y);
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fixed_t cliplow = P_GetSectorFloorZAt(back, v1x, v1y);
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fixed_t cliplowslope = P_GetSectorFloorZAt(back, v2x, v2y);
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HWR_GetExtraTextureCoords(which, &polytop, &polybottom, &polytopslope, &polybottomslope, cliptop, clipbottom, cliphigh, cliplow, cliptopslope, clipbottomslope, cliphighslope, cliplowslope, midtexheight);
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@ -1643,8 +1652,10 @@ static void HWR_RenderExtraTexture(unsigned which, v2d_t vs, v2d_t ve, fixed_t t
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wallVerts[2].y = FIXED_TO_FLOAT(hS);
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wallVerts[1].y = FIXED_TO_FLOAT(lS);
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// TODO: Actually use the surface's flags so that I don't have to do this
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FUINT blendmode = Surf.PolyFlags | PF_Decal;
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FSurfaceInfo Surf;
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Surf.PolyColor.s.alpha = 255;
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FUINT blendmode = PF_Masked | PF_Decal;
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extracolormap_t *colormap = gl_frontsector->extra_colormap;
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@ -1653,69 +1664,50 @@ static void HWR_RenderExtraTexture(unsigned which, v2d_t vs, v2d_t ve, fixed_t t
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else
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HWR_ProjectWall(wallVerts, &Surf, blendmode, lightnum, colormap);
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// Wall wasn't split, stop here
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if (!intersected)
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return;
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// Draw the rest of the wall if it was split
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float fv1x, fv1y, fv2x, fv2y;
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float flength;
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// Right side
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if (intersected == 1)
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{
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fv1x = ptx;
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fv1y = pty;
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fv2x = ve.x;
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fv2y = ve.y;
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// Right side
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vs.x = ptx;
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vs.y = pty;
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}
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// Left side
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else
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else if (intersected == 2)
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{
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fv1x = vs.x;
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fv1y = vs.y;
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fv2x = ptx;
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fv2y = pty;
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// Left side
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ve.x = ptx;
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ve.y = pty;
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}
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else
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return;
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v1x = FloatToFixed(fv1x);
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v1y = FloatToFixed(fv1y);
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v2x = FloatToFixed(fv2x);
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v2y = FloatToFixed(fv2y);
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// Redefine the wall X/Y
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wallVerts[0].x = wallVerts[3].x = vs.x;
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wallVerts[0].z = wallVerts[3].z = vs.y;
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wallVerts[2].x = wallVerts[1].x = ve.x;
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wallVerts[2].z = wallVerts[1].z = ve.y;
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wallVerts[0].x = wallVerts[3].x = fv1x;
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wallVerts[0].z = wallVerts[3].z = fv1y;
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wallVerts[2].x = wallVerts[1].x = fv2x;
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wallVerts[2].z = wallVerts[1].z = fv2y;
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v1x = FloatToFixed(vs.x);
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v1y = FloatToFixed(vs.y);
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v2x = FloatToFixed(ve.x);
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v2y = FloatToFixed(ve.y);
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flength = hypotf(fv2x - fv1x, fv2y - fv1y);
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xcliplow = (float)texturehpeg + xclipoffset;
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xcliphigh = xcliplow + (flength * FRACUNIT);
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worldtop = P_GetSectorCeilingZAt(gl_frontsector, v1x, v1y);
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worldtopslope = P_GetSectorCeilingZAt(gl_frontsector, v2x, v2y);
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worldbottom = P_GetSectorFloorZAt(gl_frontsector, v1x, v1y);
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worldbottomslope = P_GetSectorFloorZAt(gl_frontsector, v2x, v2y);
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cliptop = P_GetSectorCeilingZAt(gl_frontsector, v1x, v1y);
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cliptopslope = P_GetSectorCeilingZAt(gl_frontsector, v2x, v2y);
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clipbottom = P_GetSectorFloorZAt(gl_frontsector, v1x, v1y);
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clipbottomslope = P_GetSectorFloorZAt(gl_frontsector, v2x, v2y);
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worldhigh = P_GetSectorCeilingZAt(back, v1x, v1y);
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worldhighslope = P_GetSectorCeilingZAt(back, v2x, v2y);
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worldlow = P_GetSectorFloorZAt(back, v1x, v1y);
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worldlowslope = P_GetSectorFloorZAt(back, v2x, v2y);
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cliphigh = P_GetSectorCeilingZAt(back, v1x, v1y);
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cliphighslope = P_GetSectorCeilingZAt(back, v2x, v2y);
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cliplow = P_GetSectorFloorZAt(back, v1x, v1y);
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cliplowslope = P_GetSectorFloorZAt(back, v2x, v2y);
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HWR_GetExtraTextureCoords(which, &polytop, &polybottom, &polytopslope, &polybottomslope, cliptop, clipbottom, cliphigh, cliplow, cliptopslope, clipbottomslope, cliphighslope, cliplowslope, midtexheight);
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HWR_GetExtraTextureCoords(which, &polytop, &polybottom, &polytopslope, &polybottomslope, worldtop, worldbottom, worldhigh, worldlow, worldtopslope, worldbottomslope, worldhighslope, worldlowslope, midtexheight);
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h = min(highcut, polytop);
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l = max(polybottom, lowcut);
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hS = min(highcutslope, polytopslope);
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lS = max(polybottomslope, lowcutslope);
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#if 0
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if (l > highcut)
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l = highcut;
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if (lS > highcutslope)
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lS = highcutslope;
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#endif
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wallVerts[3].y = FixedToFloat(h);
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wallVerts[0].y = FixedToFloat(l);
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wallVerts[2].y = FixedToFloat(hS);
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@ -1732,6 +1724,10 @@ static void HWR_RenderExtraTexture(unsigned which, v2d_t vs, v2d_t ve, fixed_t t
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texturevpegslope = polytopslope - hS;
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}
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float flength = hypotf(ve.x - vs.x, ve.y - vs.y);
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xcliplow = xcliplowbase + xclipoffset;
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xcliphigh = xcliplow + (flength * FRACUNIT);
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// Left side
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wallVerts[3].t = texturevpeg * yscale * grTex->scaleY;
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wallVerts[0].t = (h - l + texturevpeg) * yscale * grTex->scaleY;
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@ -2040,7 +2036,7 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
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// Render extra textures
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for (unsigned i = 0; i < NUM_WALL_OVERLAYS; i++)
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HWR_RenderExtraTexture(i, vs, ve, texturehpeg, worldtop, worldbottom, worldhigh, worldlow, worldtopslope, worldbottomslope, worldhighslope, worldlowslope, lightnum, wallVerts);
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HWR_RenderExtraTexture(i, vs, ve, cliplow, cliphigh, lightnum);
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// Sky culling
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// No longer so much a mess as before!
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@ -2126,7 +2122,7 @@ static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
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// Render extra textures
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for (unsigned i = 0; i < NUM_WALL_OVERLAYS; i++)
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HWR_RenderExtraTexture(i, vs, ve, texturehpeg, worldtop, worldbottom, worldtop, worldbottom, worldtopslope, worldbottomslope, worldtopslope, worldbottomslope, lightnum, wallVerts);
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HWR_RenderExtraTexture(i, vs, ve, cliplow, cliphigh, lightnum);
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if (!gl_curline->polyseg)
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{
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