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Slight further Polymost cleanup. Nothing of real importance. DONT_BUILD.

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git-svn-id: https://svn.eduke32.com/eduke32@5275 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2015-07-08 03:34:20 +00:00
parent a4032d234c
commit 4846c838d5
2 changed files with 194 additions and 178 deletions
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6
polymer/eduke32/build/include/polymost.h
View file

@ -128,9 +128,9 @@ static inline float polymost_invsqrt_approximation(float x)
{
#ifdef B_LITTLE_ENDIAN
float const haf = x * .5f;
struct conv { union { uint32_t i; float f; } u; } * const n = (struct conv *)&x;
n->u.i = 0x5f3759df - (n->u.i >> 1);
return n->u.f * (1.5f - haf * (n->u.f * n->u.f));
struct conv { union { uint32_t i; float f; } ; } * const n = (struct conv *)&x;
n->i = 0x5f3759df - (n->i >> 1);
return n->f * (1.5f - haf * (n->f * n->f));
#else
// this is the comment
return 1.f / Bsqrtf(x);

366
polymer/eduke32/build/src/polymost.c
View file

@ -112,11 +112,11 @@ int32_t glrendmode = REND_POLYMOST;
// This variable, and 'shadeforfullbrightpass' control the drawing of
// fullbright tiles. Also see 'fullbrightloadingpass'.
int32_t r_fullbrights = 1;
int32_t r_vertexarrays = 1;
int32_t r_vbos = 1;
int32_t r_vbocount = 64;
int32_t r_animsmoothing = 1;
int32_t r_fullbrights = 1;
int32_t r_downsize = 0;
int32_t r_downsizevar = -1;
@ -1374,7 +1374,7 @@ static inline pthtyp *our_texcache_fetch(int32_t dameth)
return texcache_fetch(globalpicnum, globalpal, getpalookup((r_usetileshades == 1 && !(globalflags & GLOBAL_NO_GL_TILESHADES)) ? globvis>>3 : 0, globalshade), dameth);
}
static void drawpoly(vec2f_t const * const dpxy, int32_t const n, int32_t method)
static void polymost_drawpoly(vec2f_t const * const dpxy, int32_t const n, int32_t method)
{
#ifdef YAX_ENABLE
if (g_nodraw) return;
@ -1417,6 +1417,8 @@ static void drawpoly(vec2f_t const * const dpxy, int32_t const n, int32_t method
}
}
Bassert(n <= 8);
int j = 0;
float px[8], py[8], dd[8], uu[8], vv[8];
float const ozgs = ghalfx * gshang,
@ -1801,7 +1803,7 @@ do
bglDisable(GL_FOG);
drawpoly(dpxy, n, method_);
polymost_drawpoly(dpxy, n, method_);
if (!nofog)
bglEnable(GL_FOG);
@ -1812,7 +1814,7 @@ do
}
static inline void vsp_finalize_init(vsptyp * const vsp, int32_t const vcnt)
static inline void vsp_finalize_init(int32_t const vcnt)
{
for (int i=0; i<vcnt; i++)
{
@ -1828,11 +1830,17 @@ static inline void vsp_finalize_init(vsptyp * const vsp, int32_t const vcnt)
vsp[VSPMAX-1].n = vcnt; vsp[vcnt].p = VSPMAX-1;
}
static inline void vsdel(vsptyp * const vsp, int32_t const i)
#define COMBINE_STRIPS
#ifdef COMBINE_STRIPS
static inline void vsdel(int32_t const i)
{
//Delete i
vsp[vsp[i].n].p = vsp[i].p;
vsp[vsp[i].p].n = vsp[i].n;
int const pi = vsp[i].p;
int const ni = vsp[i].n;
vsp[ni].p = pi;
vsp[pi].n = ni;
//Add i to empty list
vsp[i].n = vsp[VSPMAX-1].n;
@ -1840,8 +1848,9 @@ static inline void vsdel(vsptyp * const vsp, int32_t const i)
vsp[vsp[VSPMAX-1].n].p = i;
vsp[VSPMAX-1].n = i;
}
#endif
static inline int32_t vsinsaft(vsptyp * const vsp, int32_t const i)
static inline int32_t vsinsaft(int32_t const i)
{
//i = next element from empty list
int32_t const r = vsp[VSPMAX-1].n;
@ -1861,7 +1870,7 @@ static int32_t domostpolymethod = 0;
#define DOMOST_OFFSET .01f
void domost(float x0, float y0, float x1, float y1)
static void polymost_domost(float x0, float y0, float x1, float y1)
{
int32_t const dir = (x0 < x1);
@ -1887,7 +1896,7 @@ void domost(float x0, float y0, float x1, float y1)
drawpoly_alpha = 0.f;
vec2f_t n0, n1;
float spx[4] /*spy[4],*/;
float spx[4];
int32_t spt[4];
for (int newi, i=vsp[0].n; i; i=newi)
@ -1907,7 +1916,7 @@ void domost(float x0, float y0, float x1, float y1)
{
float const t = (dm0.x-n0.x)*cv[dir] - (dm0.y-cy[dir])*dx;
if (((!dir) && (t < 0.f)) || ((dir) && (t > 0.f)))
{ spx[scnt] = dm0.x; /*spy[scnt] = dm0.y;*/ spt[scnt] = -1; scnt++; }
{ spx[scnt] = dm0.x; spt[scnt] = -1; scnt++; }
}
//Test for intersection on umost (0) and dmost (1)
@ -1932,7 +1941,6 @@ void domost(float x0, float y0, float x1, float y1)
{
swapfloat(&spx[scnt-1], &spx[scnt-2]);
swaplong(&spt[scnt-1], &spt[scnt-2]);
/* f = spy[scnt-1]; spy[scnt-1] = spy[scnt-2]; spy[scnt-2] = f; */
}
//Test if right edge requires split
@ -1940,7 +1948,7 @@ void domost(float x0, float y0, float x1, float y1)
{
const float t = (dm1.x-n0.x)*cv[dir] - (dm1.y-cy[dir])*dx;
if (((!dir) && (t < 0)) || ((dir) && (t > 0)))
{ spx[scnt] = dm1.x; /* spy[scnt] = dm1.y; */ spt[scnt] = -1; scnt++; }
{ spx[scnt] = dm1.x; spt[scnt] = -1; scnt++; }
}
vsp[i].tag = vsp[newi].tag = -1;
@ -1955,7 +1963,7 @@ void domost(float x0, float y0, float x1, float y1)
goto skip;
t = (spx[z]-n0.x)*rdx;
vcnt = vsinsaft(vsp, i);
vcnt = vsinsaft(i);
vsp[i].cy[1] = t*cv[0] + cy[0];
vsp[i].fy[1] = t*cv[1] + cy[1];
vsp[vcnt].x = spx[z];
@ -2005,7 +2013,7 @@ skip: ;
vsp[i].cy[0] = n0.y;
vsp[i].cy[1] = n1.y;
vsp[i].ctag = gtag;
drawpoly(dpxy, 4, domostpolymethod);
polymost_drawpoly(dpxy, 4, domostpolymethod);
}
break;
case 1:
@ -2015,7 +2023,7 @@ skip: ;
vsp[i].cy[0] = n0.y;
vsp[i].ctag = gtag;
drawpoly(dpxy, 3, domostpolymethod);
polymost_drawpoly(dpxy, 3, domostpolymethod);
}
break;
case 3:
@ -2025,7 +2033,7 @@ skip: ;
vsp[i].cy[1] = n1.y;
vsp[i].ctag = gtag;
drawpoly(dpxy, 3, domostpolymethod);
polymost_drawpoly(dpxy, 3, domostpolymethod);
}
break;
case 8:
@ -2035,7 +2043,7 @@ skip: ;
};
vsp[i].ctag = vsp[i].ftag = -1;
drawpoly(dpxy, 4, domostpolymethod);
polymost_drawpoly(dpxy, 4, domostpolymethod);
}
default: break;
}
@ -2055,7 +2063,7 @@ skip: ;
vsp[i].fy[0] = n0.y;
vsp[i].fy[1] = n1.y;
vsp[i].ftag = gtag;
drawpoly(dpxy, 4, domostpolymethod);
polymost_drawpoly(dpxy, 4, domostpolymethod);
}
break;
case 7:
@ -2065,7 +2073,7 @@ skip: ;
vsp[i].fy[0] = n0.y;
vsp[i].ftag = gtag;
drawpoly(dpxy, 3, domostpolymethod);
polymost_drawpoly(dpxy, 3, domostpolymethod);
}
break;
case 5:
@ -2075,14 +2083,14 @@ skip: ;
vsp[i].fy[1] = n1.y;
vsp[i].ftag = gtag;
drawpoly(dpxy, 3, domostpolymethod);
polymost_drawpoly(dpxy, 3, domostpolymethod);
}
break;
case 0:
{
vec2f_t const dpxy[4] ={ { dx0, vsp[i].cy[0] }, { dx1, vsp[i].cy[1] }, { dx1, vsp[i].fy[1] }, { dx0, vsp[i].fy[0] } };
vsp[i].ctag = vsp[i].ftag = -1;
drawpoly(dpxy, 4, domostpolymethod);
polymost_drawpoly(dpxy, 4, domostpolymethod);
}
default:
break;
@ -2095,6 +2103,7 @@ skip: ;
//Combine neighboring vertical strips with matching collinear top&bottom edges
//This prevents x-splits from propagating through the entire scan
#ifdef COMBINE_STRIPS
int i = vsp[0].n;
while (i)
@ -2108,10 +2117,11 @@ skip: ;
{
vsp[i].cy[1] = vsp[ni].cy[1];
vsp[i].fy[1] = vsp[ni].fy[1];
vsdel(vsp, ni);
vsdel(ni);
}
else i = ni;
}
#endif
}
void polymost_editorfunc(void)
@ -2248,10 +2258,11 @@ static float global_cf_xpanning, global_cf_ypanning, global_cf_heinum;
static int32_t global_cf_shade, global_cf_pal, global_cf_fogpal;
static int32_t (*global_getzofslope_func)(int16_t, int32_t, int32_t);
static void polymost_internal_nonparallaxed(vec2f_t n0, vec2f_t n1, float ryp0, float ryp1,
float x0, float x1, float cf_y0, float cf_y1, int32_t have_floor,
int32_t sectnum)
static void polymost_internal_nonparallaxed(vec2f_t n0, vec2f_t n1, float ryp0, float ryp1, float x0, float x1,
float y0, float y1, int32_t sectnum)
{
int const have_floor = sectnum & MAXSECTORS;
sectnum &= ~MAXSECTORS;
tsectortype const * const sec = (tsectortype *)&sector[sectnum];
// comments from floor code:
@ -2259,20 +2270,24 @@ static void polymost_internal_nonparallaxed(vec2f_t n0, vec2f_t n1, float ryp0,
//(cosglobalang/ 16384*(sx-ghalfx) + 0*(sy-ghoriz) + (sinviewingrangeglobalang/16384)*ghalfx)*d + globalposy = v*16
//( 0*(sx-ghalfx) + 1*(sy-ghoriz) + ( 0)*ghalfx)*d + globalposz/16 = (sec->floorz/16)
float ft[4];
if (!(globalorientation&64))
{ ft[0] = fglobalposx; ft[1] = fglobalposy; ft[2] = fcosglobalang; ft[3] = fsinglobalang; }
else
float ft[4] = { fglobalposx, fglobalposy, fcosglobalang, fsinglobalang };
if (globalorientation & 64)
{
//relative alignment
vec2f_t fxy = { (float)(wall[wall[sec->wallptr].point2].x - wall[sec->wallptr].x),
(float)(wall[wall[sec->wallptr].point2].y - wall[sec->wallptr].y) };
float r = polymost_invsqrt_approximation(fxy.x * fxy.x + fxy.y * fxy.y);
fxy.x *= r; fxy.y *= r;
fxy.x *= r;
fxy.y *= r;
ft[0] = ((float)(globalposx - wall[sec->wallptr].x)) * fxy.x + ((float)(globalposy - wall[sec->wallptr].y)) * fxy.y;
ft[1] = ((float)(globalposy - wall[sec->wallptr].y)) * fxy.x - ((float)(globalposx - wall[sec->wallptr].x)) * fxy.y;
ft[2] = fcosglobalang * fxy.x + fsinglobalang * fxy.y;
ft[3] = fsinglobalang*fxy.x - fcosglobalang*fxy.y;
ft[0] = ((float)(globalposx-wall[sec->wallptr].x))*fxy.x + ((float)(globalposy-wall[sec->wallptr].y))*fxy.y;
ft[1] = ((float)(globalposy-wall[sec->wallptr].y))*fxy.x - ((float)(globalposx-wall[sec->wallptr].x))*fxy.y;
ft[3] = fsinglobalang * fxy.x - fcosglobalang * fxy.y;
globalorientation ^= (!(globalorientation & 4)) ? 32 : 16;
}
@ -2365,8 +2380,8 @@ static void polymost_internal_nonparallaxed(vec2f_t n0, vec2f_t n1, float ryp0,
}
};
py[0] = cf_y0;
py[1] = cf_y1;
py[0] = y0;
py[1] = y1;
py[2] = (double)((float)(global_getzofslope_func(sectnum, (int)oxy.x, (int)oxy.y) - globalposz) * oy2 + ghoriz);
vec3f_t oxyz[2] = { { (float)(py[1] - py[2]), (float)(py[2] - py[0]), (float)(py[0] - py[1]) },
@ -2408,14 +2423,14 @@ static void polymost_internal_nonparallaxed(vec2f_t n0, vec2f_t n1, float ryp0,
if (globalposz > getflorzofslope(sectnum, globalposx, globalposy))
domostpolymethod = -1; //Back-face culling
domost(x0, cf_y0, x1, cf_y1); //flor
polymost_domost(x0, y0, x1, y1); //flor
}
else
{
if (globalposz < getceilzofslope(sectnum, globalposx, globalposy))
domostpolymethod = -1; //Back-face culling
domost(x1, cf_y1, x0, cf_y0); //ceil
polymost_domost(x1, y1, x0, y0); //ceil
}
domostpolymethod = 0;
@ -2457,14 +2472,15 @@ static void calc_ypanning(int32_t refposz, float ryp0, float ryp1,
otex.v = -xtex.v*x0 - ytex.v*t0 + fy*otex.d; xtex.v += fy*xtex.d; ytex.v += fy*ytex.d;
}
static inline int32_t testvisiblemost(float x0, float x1)
static inline int32_t testvisiblemost(float const x0, float const x1)
{
for (int i=vsp[0].n, newi; i; i=newi)
{
newi = vsp[i].n;
if ((x0 < vsp[newi].x) && (vsp[i].x < x1) && (vsp[i].ctag >= 0)) return(1);
if ((x0 < vsp[newi].x) && (vsp[i].x < x1) && (vsp[i].ctag >= 0))
return 1;
}
return(0);
return 0;
}
#define POINT2(i) (wall[wall[i].point2])
@ -2583,7 +2599,7 @@ static void polymost_drawalls(int32_t const bunch)
#ifdef YAX_ENABLE
if (globalposz <= sec->floorz || yax_getbunch(sectnum, YAX_FLOOR) < 0 || yax_getnextwall(wallnum, YAX_FLOOR) >= 0)
#endif
polymost_internal_nonparallaxed(n0, n1, ryp0, ryp1, x0, x1, fy0, fy1, 1, sectnum);
polymost_internal_nonparallaxed(n0, n1, ryp0, ryp1, x0, x1, fy0, fy1, sectnum | MAXSECTORS);
}
else if ((nextsectnum < 0) || (!(sector[nextsectnum].floorstat&1)))
{
@ -2618,7 +2634,7 @@ static void polymost_drawalls(int32_t const bunch)
vec3f_t o;
o.y = ((float)tilesiz[globalpicnum].y*dd-vv[0])/vv[1];
if ((o.y > fy0) && (o.y > fy1)) domost(x0,o.y,x1,o.y);
if ((o.y > fy0) && (o.y > fy1)) polymost_domost(x0,o.y,x1,o.y);
else if ((o.y > fy0) != (o.y > fy1))
{
// fy0 fy1
@ -2627,10 +2643,10 @@ static void polymost_drawalls(int32_t const bunch)
// \ /
// fy1 fy0
o.x = (o.y-fy0)*(x1-x0)/(fy1-fy0) + x0;
if (o.y > fy0) { domost(x0,o.y,o.x,o.y); domost(o.x,o.y,x1,fy1); }
else { domost(x0,fy0,o.x,o.y); domost(o.x,o.y,x1,o.y); }
if (o.y > fy0) { polymost_domost(x0,o.y,o.x,o.y); polymost_domost(o.x,o.y,x1,fy1); }
else { polymost_domost(x0,fy0,o.x,o.y); polymost_domost(o.x,o.y,x1,o.y); }
}
else domost(x0,fy0,x1,fy1);
else polymost_domost(x0,fy0,x1,fy1);
if (r_parallaxskypanning)
vv[0] += dd*((float)sec->floorypanning)*((float)i)*(1.f/256.f);
@ -2657,7 +2673,7 @@ static void polymost_drawalls(int32_t const bunch)
o.x = fx; fx = ((float)((y<<(11-dapskybits))-globalang))*o.z+ghalfx;
if (fx > x1) { fx = x1; i = -1; }
pow2xsplit = 0; domost(o.x,(o.x-x0)*r+fy0,fx,(fx-x0)*r+fy0); //flor
pow2xsplit = 0; polymost_domost(o.x,(o.x-x0)*r+fy0,fx,(fx-x0)*r+fy0); //flor
}
while (i >= 0);
@ -2668,7 +2684,6 @@ static void polymost_drawalls(int32_t const bunch)
//Skybox code for parallax floor!
float sky_t0, sky_t1; // _nx0, _ny0, _nx1, _ny1;
float sky_ryp0, sky_ryp1, sky_x0, sky_x1, sky_cy0, sky_fy0, sky_cy1, sky_fy1, sky_ox0, sky_ox1;
float nfy0, nfy1;
static vec2f_t const skywal[4] = { { -512, -512 }, { 512, -512 }, { 512, 512 }, { -512, 512 } };
pow2xsplit = 0;
@ -2716,7 +2731,7 @@ static void polymost_drawalls(int32_t const bunch)
sky_ox0 = sky_x0; sky_ox1 = sky_x1;
//Make sure: x0<=_x0<_x1<=_x1
nfy0 = fy0; nfy1 = fy1;
float nfy[2] = { fy0, fy1 };
if (sky_x0 < x0)
{
float const t = (x0-sky_x0)/(sky_x1-sky_x0);
@ -2724,7 +2739,7 @@ static void polymost_drawalls(int32_t const bunch)
sky_fy0 += (sky_fy1-sky_fy0)*t;
sky_x0 = x0;
}
else if (sky_x0 > x0) nfy0 += (sky_x0-x0)*(fy1-fy0)/(x1-x0);
else if (sky_x0 > x0) nfy[0] += (sky_x0-x0)*(fy1-fy0)/(x1-x0);
if (sky_x1 > x1)
{
float const t = (x1-sky_x1)/(sky_x1-sky_x0);
@ -2732,7 +2747,7 @@ static void polymost_drawalls(int32_t const bunch)
sky_fy1 += (sky_fy1-sky_fy0)*t;
sky_x1 = x1;
}
else if (sky_x1 < x1) nfy1 += (sky_x1-x1)*(fy1-fy0)/(x1-x0);
else if (sky_x1 < x1) nfy[1] += (sky_x1-x1)*(fy1-fy0)/(x1-x0);
// (skybox floor)
//(_x0,_fy0)-(_x1,_fy1)
@ -2758,21 +2773,21 @@ static void polymost_drawalls(int32_t const bunch)
xtex.v = -xtex.v; ytex.v = -ytex.v; otex.v = -otex.v; //y-flip skybox floor
drawingskybox = 6; //ceiling/5th texture/index 4 of skybox
if ((sky_fy0 > nfy0) && (sky_fy1 > nfy1)) domost(sky_x0,sky_fy0,sky_x1,sky_fy1);
else if ((sky_fy0 > nfy0) != (sky_fy1 > nfy1))
if ((sky_fy0 > nfy[0]) && (sky_fy1 > nfy[1])) polymost_domost(sky_x0,sky_fy0,sky_x1,sky_fy1);
else if ((sky_fy0 > nfy[0]) != (sky_fy1 > nfy[1]))
{
//(ox,oy) is intersection of: (_x0,_cy0)-(_x1,_cy1)
// (_x0,nfy0)-(_x1,nfy1)
float const t = (sky_fy0-nfy0)/(nfy1-nfy0-sky_fy1+sky_fy0);
float const t = (sky_fy0-nfy[0])/(nfy[1]-nfy[0]-sky_fy1+sky_fy0);
vec2f_t const o = { sky_x0 + (sky_x1 - sky_x0) * t, sky_fy0 + (sky_fy1 - sky_fy0) * t };
if (nfy0 > sky_fy0)
if (nfy[0] > sky_fy0)
{
domost(sky_x0, nfy0, o.x, o.y);
domost(o.x, o.y, sky_x1, sky_fy1);
polymost_domost(sky_x0, nfy[0], o.x, o.y);
polymost_domost(o.x, o.y, sky_x1, sky_fy1);
}
else { domost(sky_x0,sky_fy0,o.x,o.y); domost(o.x,o.y,sky_x1,nfy1); }
else { polymost_domost(sky_x0,sky_fy0,o.x,o.y); polymost_domost(o.x,o.y,sky_x1,nfy[1]); }
}
else domost(sky_x0,nfy0,sky_x1,nfy1);
else polymost_domost(sky_x0,nfy[0],sky_x1,nfy[1]);
//wall of skybox
drawingskybox = i+1; //i+1th texture/index i of skybox
@ -2788,17 +2803,17 @@ static void polymost_drawalls(int32_t const bunch)
xtex.v = (sky_t0-sky_t1)*t;
ytex.v = (sky_ox1-sky_ox0)*t;
otex.v = -xtex.v*sky_ox0 - ytex.v*sky_t0;
if ((sky_cy0 > nfy0) && (sky_cy1 > nfy1)) domost(sky_x0,sky_cy0,sky_x1,sky_cy1);
else if ((sky_cy0 > nfy0) != (sky_cy1 > nfy1))
if ((sky_cy0 > nfy[0]) && (sky_cy1 > nfy[1])) polymost_domost(sky_x0,sky_cy0,sky_x1,sky_cy1);
else if ((sky_cy0 > nfy[0]) != (sky_cy1 > nfy[1]))
{
//(ox,oy) is intersection of: (_x0,_fy0)-(_x1,_fy1)
// (_x0,nfy0)-(_x1,nfy1)
float const t = (sky_cy0-nfy0)/(nfy1-nfy0-sky_cy1+sky_cy0);
float const t = (sky_cy0-nfy[0])/(nfy[1]-nfy[0]-sky_cy1+sky_cy0);
vec2f_t const o = { sky_x0 + (sky_x1 - sky_x0) * t, sky_cy0 + (sky_cy1 - sky_cy0) * t };
if (nfy0 > sky_cy0) { domost(sky_x0,nfy0,o.x,o.y); domost(o.x,o.y,sky_x1,sky_cy1); }
else { domost(sky_x0,sky_cy0,o.x,o.y); domost(o.x,o.y,sky_x1,nfy1); }
if (nfy[0] > sky_cy0) { polymost_domost(sky_x0,nfy[0],o.x,o.y); polymost_domost(o.x,o.y,sky_x1,sky_cy1); }
else { polymost_domost(sky_x0,sky_cy0,o.x,o.y); polymost_domost(o.x,o.y,sky_x1,nfy[1]); }
}
else domost(sky_x0,nfy0,sky_x1,nfy1);
else polymost_domost(sky_x0,nfy[0],sky_x1,nfy[1]);
}
//Floor of skybox
@ -2816,7 +2831,7 @@ static void polymost_drawalls(int32_t const bunch)
otex.u = ft[0]*otex.d; otex.v = ft[1]*otex.d;
otex.u += (ft[2]-xtex.u)*ghalfx;
otex.v -= (ft[3]+xtex.v)*ghalfx;
domost(x0,fy0,x1,fy1);
polymost_domost(x0,fy0,x1,fy1);
skyclamphack = 0;
drawingskybox = 0;
@ -2846,7 +2861,7 @@ static void polymost_drawalls(int32_t const bunch)
#ifdef YAX_ENABLE
if (globalposz >= sec->ceilingz || yax_getbunch(sectnum, YAX_CEILING) < 0 || yax_getnextwall(wallnum, YAX_CEILING) >= 0)
#endif
polymost_internal_nonparallaxed(n0, n1, ryp0, ryp1, x0, x1, cy0, cy1, 0, sectnum);
polymost_internal_nonparallaxed(n0, n1, ryp0, ryp1, x0, x1, cy0, cy1, sectnum);
}
else if ((nextsectnum < 0) || (!(sector[nextsectnum].ceilingstat&1)))
{
@ -2857,16 +2872,12 @@ static void polymost_drawalls(int32_t const bunch)
if (dapskyoff[i] != dapskyoff[i-1])
{ skyclamphack = r_parallaxskyclamping; break; }
//Parallaxing sky...
if (bpp == 8 || !usehightile || !hicfindskybox(globalpicnum, globalpal))
{
// g_nodraw = 1;
//Render for parallaxtype == 0 / paper-sky
float const dd = fxdimen*.0000001f; //Adjust sky depth based on screen size!
float vv[2];
float t = (float)((1<<(picsiz[globalpicnum]&15))<<dapskybits);
vv[1] = dd*((float)xdimscale*viewingrange) * (1.f/(65536.f*65536.f));
vv[1] = dd*((float)xdimscale*fviewingrange) * (1.f/(65536.f*65536.f));
vv[0] = dd*((float)((tilesiz[globalpicnum].y>>1)+parallaxyoffs_override/*+g_psky.yoffs*/)) - vv[1]*ghoriz;
int i = (1<<(picsiz[globalpicnum]>>4)); if (i != tilesiz[globalpicnum].y) i += i;
@ -2881,7 +2892,7 @@ static void polymost_drawalls(int32_t const bunch)
o.y = -vv[0]/vv[1];
if ((o.y < cy0) && (o.y < cy1)) domost(x1,o.y,x0,o.y);
if ((o.y < cy0) && (o.y < cy1)) polymost_domost(x1,o.y,x0,o.y);
else if ((o.y < cy0) != (o.y < cy1))
{
/* cy1 cy0
@ -2891,10 +2902,10 @@ static void polymost_drawalls(int32_t const bunch)
// cy0 cy1
*/
o.x = (o.y-cy0)*(x1-x0)/(cy1-cy0) + x0;
if (o.y < cy0) { domost(o.x,o.y,x0,o.y); domost(x1,cy1,o.x,o.y); }
else { domost(o.x,o.y,x0,cy0); domost(x1,o.y,o.x,o.y); }
if (o.y < cy0) { polymost_domost(o.x,o.y,x0,o.y); polymost_domost(x1,cy1,o.x,o.y); }
else { polymost_domost(o.x,o.y,x0,cy0); polymost_domost(x1,o.y,o.x,o.y); }
}
else domost(x1,cy1,x0,cy0);
else polymost_domost(x1,cy1,x0,cy0);
if (r_parallaxskypanning)
vv[0] += dd*(float)sec->ceilingypanning*(float)i*(1.f/256.f);
@ -2914,11 +2925,11 @@ static void polymost_drawalls(int32_t const bunch)
do
{
globalpicnum = dapskyoff[y&((1<<dapskybits)-1)]+i;
otex.u = otex.d*(t*((float)(globalang-(y<<(11-dapskybits)))) * 1.f/2048.f + (float)((r_parallaxskypanning)?sec->ceilingxpanning:0)) - xtex.u*ghalfx;
otex.u = otex.d*(t*((float)(globalang-(y<<(11-dapskybits)))) * (1.f/2048.f) + (float)((r_parallaxskypanning)?sec->ceilingxpanning:0)) - xtex.u*ghalfx;
y++;
o.x = fx; fx = ((float)((y<<(11-dapskybits))-globalang))*o.z+ghalfx;
if (fx > x1) { fx = x1; i = -1; }
pow2xsplit = 0; domost(fx,(fx-x0)*r+cy0,o.x,(o.x-x0)*r+cy0); //ceil
pow2xsplit = 0; polymost_domost(fx,(fx-x0)*r+cy0,o.x,(o.x-x0)*r+cy0); //ceil
}
while (i >= 0);
@ -2936,9 +2947,11 @@ static void polymost_drawalls(int32_t const bunch)
for (int i=0; i<4; i++)
{
walpos = skywal[i&3];
vec2f_t skyp0 = { walpos.y*gcosang - walpos.x*gsinang, walpos.x*gcosang2 + walpos.y*gsinang2 };
walpos = skywal[(i+1)&3];
vec2f_t skyp1 = { walpos.y*gcosang - walpos.x*gsinang, walpos.x*gcosang2 + walpos.y*gsinang2 };
vec2f_t skyp0 = { walpos.y * gcosang - walpos.x * gsinang,
walpos.x * gcosang2 + walpos.y * gsinang2 };
walpos = skywal[(i + 1) & 3];
vec2f_t skyp1 = { walpos.y * gcosang - walpos.x * gsinang,
walpos.x * gcosang2 + walpos.y * gsinang2 };
vec2f_t const oskyp0 = skyp0;
@ -3006,23 +3019,23 @@ static void polymost_drawalls(int32_t const bunch)
xtex.d = 0;
ytex.d = gxyaspect*(-1.f/4194304.f);
otex.d = -ghoriz*ytex.d;
xtex.u = ft[3]*fviewingrange*(-1.0/65536.0);
xtex.v = ft[2]*fviewingrange*(-1.0/65536.0);
xtex.u = (double)ft[3]*fviewingrange*(-1.0/65536.0);
xtex.v = (double)ft[2]*fviewingrange*(-1.0/65536.0);
ytex.u = ft[0]*ytex.d; ytex.v = ft[1]*ytex.d;
otex.u = ft[0]*otex.d; otex.v = ft[1]*otex.d;
otex.u += (ft[2]-xtex.u)*ghalfx;
otex.v -= (ft[3]+xtex.v)*ghalfx;
if ((sky_cy0 < ncy[0]) && (sky_cy1 < ncy[1])) domost(sky_x1,sky_cy1,sky_x0,sky_cy0);
if ((sky_cy0 < ncy[0]) && (sky_cy1 < ncy[1])) polymost_domost(sky_x1,sky_cy1,sky_x0,sky_cy0);
else if ((sky_cy0 < ncy[0]) != (sky_cy1 < ncy[1]))
{
//(ox,oy) is intersection of: (_x0,_cy0)-(_x1,_cy1)
// (_x0,ncy0)-(_x1,ncy1)
float const t = (sky_cy0-ncy[0])/(ncy[1]-ncy[0]-sky_cy1+sky_cy0);
vec2f_t const o = { sky_x0 + (sky_x1-sky_x0)*t, sky_cy0 + (sky_cy1-sky_cy0)*t };
if (ncy[0] < sky_cy0) { domost(o.x,o.y,sky_x0,ncy[0]); domost(sky_x1,sky_cy1,o.x,o.y); }
else { domost(o.x,o.y,sky_x0,sky_cy0); domost(sky_x1,ncy[1],o.x,o.y); }
if (ncy[0] < sky_cy0) { polymost_domost(o.x,o.y,sky_x0,ncy[0]); polymost_domost(sky_x1,sky_cy1,o.x,o.y); }
else { polymost_domost(o.x,o.y,sky_x0,sky_cy0); polymost_domost(sky_x1,ncy[1],o.x,o.y); }
}
else domost(sky_x1,ncy[1],sky_x0,ncy[0]);
else polymost_domost(sky_x1,ncy[1],sky_x0,ncy[0]);
//wall of skybox
drawingskybox = i+1; //i+1th texture/index i of skybox
@ -3038,17 +3051,17 @@ static void polymost_drawalls(int32_t const bunch)
xtex.v = (sky_t0-sky_t1)*t;
ytex.v = (sky_ox1-sky_ox0)*t;
otex.v = -xtex.v*sky_ox0 - ytex.v*sky_t0;
if ((sky_fy0 < ncy[0]) && (sky_fy1 < ncy[1])) domost(sky_x1,sky_fy1,sky_x0,sky_fy0);
if ((sky_fy0 < ncy[0]) && (sky_fy1 < ncy[1])) polymost_domost(sky_x1,sky_fy1,sky_x0,sky_fy0);
else if ((sky_fy0 < ncy[0]) != (sky_fy1 < ncy[1]))
{
//(ox,oy) is intersection of: (_x0,_fy0)-(_x1,_fy1)
// (_x0,ncy0)-(_x1,ncy1)
float const t = (sky_fy0-ncy[0])/(ncy[1]-ncy[0]-sky_fy1+sky_fy0);
vec2f_t const o = { sky_x0 + (sky_x1 - sky_x0) * t, sky_fy0 + (sky_fy1 - sky_fy0) * t };
if (ncy[0] < sky_fy0) { domost(o.x,o.y,sky_x0,ncy[0]); domost(sky_x1,sky_fy1,o.x,o.y); }
else { domost(o.x,o.y,sky_x0,sky_fy0); domost(sky_x1,ncy[1],o.x,o.y); }
if (ncy[0] < sky_fy0) { polymost_domost(o.x,o.y,sky_x0,ncy[0]); polymost_domost(sky_x1,sky_fy1,o.x,o.y); }
else { polymost_domost(o.x,o.y,sky_x0,sky_fy0); polymost_domost(sky_x1,ncy[1],o.x,o.y); }
}
else domost(sky_x1,ncy[1],sky_x0,ncy[0]);
else polymost_domost(sky_x1,ncy[1],sky_x0,ncy[0]);
}
//Floor of skybox
@ -3065,7 +3078,7 @@ static void polymost_drawalls(int32_t const bunch)
otex.u += (ft[2]-xtex.u)*ghalfx;
otex.v -= (ft[3]+xtex.v)*ghalfx;
xtex.v = -xtex.v; ytex.v = -ytex.v; otex.v = -otex.v; //y-flip skybox floor
domost(x1,cy1,x0,cy0);
polymost_domost(x1,cy1,x0,cy0);
skyclamphack = 0;
drawingskybox = 0;
@ -3126,7 +3139,7 @@ static void polymost_drawalls(int32_t const bunch)
if (!nofog) calc_and_apply_fog(wal->picnum, fogpal_shade(sec, wal->shade), sec->visibility, get_floor_fogpal(sec));
pow2xsplit = 1; domost(x1,ocy1,x0,ocy0);
pow2xsplit = 1; polymost_domost(x1,ocy1,x0,ocy0);
if (wal->cstat&8) { xtex.u = ogux; ytex.u = oguy; otex.u = oguo; }
}
if (((ofy0 < fy0) || (ofy1 < fy1)) && (!((sec->floorstat&sector[nextsectnum].floorstat)&1)))
@ -3163,7 +3176,7 @@ static void polymost_drawalls(int32_t const bunch)
if (!nofog) calc_and_apply_fog(nwal->picnum, fogpal_shade(sec, nwal->shade), sec->visibility, get_floor_fogpal(sec));
pow2xsplit = 1; domost(x0,ofy0,x1,ofy1);
pow2xsplit = 1; polymost_domost(x0,ofy0,x1,ofy1);
if (wal->cstat&(2+8)) { otex.u = oguo; xtex.u = ogux; ytex.u = oguy; }
}
}
@ -3210,14 +3223,14 @@ static void polymost_drawalls(int32_t const bunch)
if (wal->cstat&256) { xtex.v = -xtex.v; ytex.v = -ytex.v; otex.v = -otex.v; } //yflip
if (!nofog) calc_and_apply_fog(wal->picnum, fogpal_shade(sec, wal->shade), sec->visibility, get_floor_fogpal(sec));
pow2xsplit = 1; domost(x0, cy0, x1, cy1);
pow2xsplit = 1; polymost_domost(x0, cy0, x1, cy1);
} while (0);
}
domostpolymethod = 0;
if (nextsectnum >= 0)
if ((!(gotsector[nextsectnum>>3]&pow2char[nextsectnum&7])) && (testvisiblemost(x0,x1)))
if ((!(gotsector[nextsectnum>>3]&pow2char[nextsectnum&7])) && testvisiblemost(x0,x1))
polymost_scansector(nextsectnum);
}
}
@ -3370,7 +3383,7 @@ void polymost_scansector(int32_t sectnum)
// (px[3],py[3]).--------------.(px[2],py[2])
*/
void initmosts(const float * px, const float * py, int32_t n)
static void polymost_initmosts(const float * px, const float * py, int const n)
{
if (n < 3) return;
@ -3435,7 +3448,7 @@ void initmosts(const float * px, const float * py, int32_t n)
vcnt++;
}
vsp_finalize_init(vsp, vcnt);
vsp_finalize_init(vcnt);
gtag = vcnt;
}
@ -3511,10 +3524,12 @@ void polymost_drawrooms()
//global cos/sin tilt angle
gctang = cosf(gtang);
gstang = sinf(gtang);
/*
if (Bfabsf(gstang) < .001f) //This hack avoids nasty precision bugs in domost()
{ gstang = 0.f; if (gctang > 0.f) gctang = 1.f; else gctang = -1.f; }
*/
if (Bfabsf(gstang) < .001f) // This hack avoids nasty precision bugs in domost()
{
gstang = 0.f;
gctang = (gctang > 0.f) ? 1.f : -1.f;
}
if (inpreparemirror)
gstang = -gstang;
@ -3569,7 +3584,7 @@ void polymost_drawrooms()
sy[i] = p2[i].y * r + ghoriz;
}
initmosts(sx, sy, n);
polymost_initmosts(sx, sy, n);
if (searchit == 2)
polymost_editorfunc();
@ -3843,7 +3858,7 @@ void polymost_drawmaskwall(int32_t damaskwallcnt)
pow2xsplit = 0;
skyclamphack = 0;
drawpoly_alpha = 0.f;
drawpoly(dpxy, n, method);
polymost_drawpoly(dpxy, n, method);
}
typedef struct
@ -4129,7 +4144,7 @@ void polymost_drawsprite(int32_t snum)
tilesiz[globalpicnum] = tsiz;
pow2xsplit = 0;
drawpoly(pxy, 4, method);
polymost_drawpoly(pxy, 4, method);
drawpoly_srepeat = 0;
drawpoly_trepeat = 0;
@ -4338,7 +4353,7 @@ void polymost_drawsprite(int32_t snum)
tilesiz[globalpicnum] = tsiz;
pow2xsplit = 0;
drawpoly(pxy, 4, method);
polymost_drawpoly(pxy, 4, method);
drawpoly_srepeat = 0;
drawpoly_trepeat = 0;
@ -4514,7 +4529,7 @@ void polymost_drawsprite(int32_t snum)
tilesiz[globalpicnum] = tsiz;
pow2xsplit = 0;
drawpoly(pxy, npoints, method);
polymost_drawpoly(pxy, npoints, method);
drawpoly_srepeat = 0;
drawpoly_trepeat = 0;
@ -4547,10 +4562,6 @@ EDUKE32_STATIC_ASSERT((int)RS_YFLIP == (int)HUDFLAG_FLIPPED);
void polymost_dorotatespritemodel(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t picnum,
int8_t dashade, char dapalnum, int32_t dastat, uint8_t daalpha, int32_t uniqid)
{
int32_t xoff, yoff, xsiz, ysiz;
int32_t ogshade, ogpal;
float ogchang, ogshang, ogctang, ogstang;
float d, cosang, sinang, cosang2, sinang2;
float m[4][4];
@ -4559,8 +4570,6 @@ void polymost_dorotatespritemodel(int32_t sx, int32_t sy, int32_t z, int16_t a,
if (tile2model[tilenum].modelid == -1 || tile2model[tilenum].framenum == -1)
return;
int32_t oldviewingrange;
float ogxyaspect;
vec3f_t vec1;
tspritetype tspr;
@ -4571,14 +4580,14 @@ void polymost_dorotatespritemodel(int32_t sx, int32_t sy, int32_t z, int16_t a,
if (!hud || hud->flags & HUDFLAG_HIDE)
return;
ogchang = gchang; gchang = 1.f;
ogshang = gshang; gshang = 0.f; d = (float) z*(1.0f/(65536.f*16384.f));
ogctang = gctang; gctang = (float) sintable[(a+512)&2047]*d;
ogstang = gstang; gstang = (float) sintable[a&2047]*d;
ogshade = globalshade; globalshade = dashade;
ogpal = globalpal; globalpal = (int32_t) ((uint8_t) dapalnum);
ogxyaspect = gxyaspect; gxyaspect = 1.f;
oldviewingrange = viewingrange; viewingrange = 65536;
float const ogchang = gchang; gchang = 1.f;
float const ogshang = gshang; gshang = 0.f; d = (float) z*(1.0f/(65536.f*16384.f));
float const ogctang = gctang; gctang = (float) sintable[(a+512)&2047]*d;
float const ogstang = gstang; gstang = (float) sintable[a&2047]*d;
int const ogshade = globalshade; globalshade = dashade;
int const ogpal = globalpal; globalpal = (int32_t) ((uint8_t) dapalnum);
float const ogxyaspect = gxyaspect; gxyaspect = 1.f;
int const oldviewingrange = viewingrange; viewingrange = 65536;
vec1 = hud->add;
@ -4595,19 +4604,22 @@ void polymost_dorotatespritemodel(int32_t sx, int32_t sy, int32_t z, int16_t a,
if (dastat & RS_TOPLEFT)
{
xsiz = tilesiz[picnum].x; ysiz = tilesiz[picnum].y;
xoff = picanm[picnum].xofs + (xsiz>>1);
yoff = picanm[picnum].yofs + (ysiz>>1);
vec2_t siz = tilesiz[picnum];
vec2_t off = { picanm[picnum].xofs + (siz.x >> 1), picanm[picnum].yofs + (siz.y >> 1) };
d = (float) z*(1.0f/(65536.f*16384.f));
cosang2 = cosang = (float) sintable[(a+512)&2047]*d;
sinang2 = sinang = (float) sintable[a&2047]*d;
if ((dastat&RS_AUTO) || (!(dastat&RS_NOCLIP))) //Don't aspect unscaled perms
d = (float)z * (1.0f / (65536.f * 16384.f));
cosang2 = cosang = (float)sintable[(a + 512) & 2047] * d;
sinang2 = sinang = (float)sintable[a & 2047] * d;
if ((dastat & RS_AUTO) || (!(dastat & RS_NOCLIP))) // Don't aspect unscaled perms
{
d = (float) xyaspect*(1.0f/65536.f); cosang2 *= d; sinang2 *= d;
d = (float)xyaspect * (1.0f / 65536.f);
cosang2 *= d;
sinang2 *= d;
}
f.x += -(float)xoff * cosang2 + (float)yoff * sinang2;
f.y += -(float)xoff * sinang - (float)yoff * cosang;
f.x += -(float)off.x * cosang2 + (float)off.y * sinang2;
f.y += -(float)off.x * sinang - (float)off.y * cosang;
}
if (!(dastat & RS_AUTO))
@ -4786,18 +4798,30 @@ void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16
globvis = 0;
int32_t ogpicnum = globalpicnum; globalpicnum = picnum;
int32_t ogshade = globalshade; globalshade = dashade;
int32_t ogpal = globalpal; globalpal = (int32_t)((uint8_t)dapalnum);
float oghalfx = ghalfx; ghalfx = fxdim * .5f;
float ogrhalfxdown10 = grhalfxdown10; grhalfxdown10 = 1.f/(ghalfx*1024.f);
float ogrhalfxdown10x = grhalfxdown10x; grhalfxdown10x = grhalfxdown10;
float oghoriz = ghoriz; ghoriz = fydim * .5f;
int32_t ofoffset = frameoffset; frameoffset = frameplace;
float ogchang = gchang; gchang = 1.f;
float ogshang = gshang; gshang = 0.f;
float ogctang = gctang; gctang = 1.f;
float ogstang = gstang; gstang = 0.f;
int32_t const ogpicnum = globalpicnum;
globalpicnum = picnum;
int32_t const ogshade = globalshade;
globalshade = dashade;
int32_t const ogpal = globalpal;
globalpal = (int32_t)((uint8_t)dapalnum);
float const oghalfx = ghalfx;
ghalfx = fxdim * .5f;
float const ogrhalfxdown10 = grhalfxdown10;
grhalfxdown10 = 1.f / (ghalfx * 1024.f);
float const ogrhalfxdown10x = grhalfxdown10x;
grhalfxdown10x = grhalfxdown10;
float const oghoriz = ghoriz;
ghoriz = fydim * .5f;
int32_t const ofoffset = frameoffset;
frameoffset = frameplace;
float const ogchang = gchang;
gchang = 1.f;
float const ogshang = gshang;
gshang = 0.f;
float const ogctang = gctang;
gctang = 1.f;
float const ogstang = gstang;
gstang = 0.f;
float m[4][4];
@ -4843,14 +4867,10 @@ void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16
drawpoly_alpha = daalpha * (1.0f / 255.0f);
vec2_t siz = tilesiz[globalpicnum], ofs;
vec2_t const siz = tilesiz[globalpicnum];
vec2_t ofs ={ 0, 0 };
if (dastat & RS_TOPLEFT)
{
ofs.x = 0;
ofs.y = 0;
}
else
if (!(dastat & RS_TOPLEFT))
{
ofs.x = picanm[globalpicnum].xofs + (siz.x>>1);
ofs.y = picanm[globalpicnum].yofs + (siz.y>>1);
@ -4875,16 +4895,16 @@ void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16
sinang2 *= d;
}
vec2f_t pxy[8];
float const cx = (float)sx * (1.0f / 65536.f) - (float)ofs.x * cosang2 + (float)ofs.y * sinang2;
float const cy = (float)sy * (1.0f / 65536.f) - (float)ofs.x * sinang - (float)ofs.y * cosang;
pxy[0].x = (float)sx*(1.0f/65536.f) - (float)ofs.x*cosang2 + (float)ofs.y*sinang2;
pxy[0].y = (float)sy*(1.0f/65536.f) - (float)ofs.x*sinang - (float)ofs.y*cosang;
pxy[1].x = pxy[0].x + (float)siz.x*cosang2;
pxy[1].y = pxy[0].y + (float)siz.x*sinang;
pxy[3].x = pxy[0].x - (float)siz.y*sinang2;
pxy[3].y = pxy[0].y + (float)siz.y*cosang;
pxy[2].x = pxy[1].x+pxy[3].x-pxy[0].x;
pxy[2].y = pxy[1].y+pxy[3].y-pxy[0].y;
vec2f_t pxy[8] = { { cx, cy },
{ cx + (float)siz.x * cosang2, cy + (float)siz.x * sinang },
{ 0, 0 },
{ cx - (float)siz.y * sinang2, cy + (float)siz.y * cosang } };
pxy[2].x = pxy[1].x + pxy[3].x - pxy[0].x;
pxy[2].y = pxy[1].y + pxy[3].y - pxy[0].y;
int32_t n = 4;
@ -4957,7 +4977,7 @@ void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16
while (z);
bglDisable(GL_FOG);
pow2xsplit = 0; drawpoly(pxy, n,method);
pow2xsplit = 0; polymost_drawpoly(pxy, n,method);
if (!nofog) bglEnable(GL_FOG);
}
@ -5151,20 +5171,17 @@ static void tessectrap(const float *px, const float *py, const int32_t *point2,
void polymost_fillpolygon(int32_t npoints)
{
pthtyp *pth;
float f,a=0.f;
int32_t i;
globalx1 = mulscale16(globalx1,xyaspect);
globaly2 = mulscale16(globaly2,xyaspect);
xtex.u = ((float)asm1)*(1.f/4294967296.f);
xtex.v = ((float)asm2)*(1.f/4294967296.f);
ytex.u = ((float)globalx1)*(1.f/4294967296.f);
ytex.v = ((float)globaly2)*(-1.f/4294967296.f);
otex.u = (fxdim*xtex.u + fydim*ytex.u)*-0.5f + fglobalposx * (1.f/4294967296.f);
otex.v = (fxdim*xtex.v + fydim*ytex.v)*-0.5f - fglobalposy * (1.f/4294967296.f);
xtex.u = ((float)asm1) * (1.f / 4294967296.f);
xtex.v = ((float)asm2) * (1.f / 4294967296.f);
ytex.u = ((float)globalx1) * (1.f / 4294967296.f);
ytex.v = ((float)globaly2) * (-1.f / 4294967296.f);
otex.u = (fxdim * xtex.u + fydim * ytex.u) * -0.5f + fglobalposx * (1.f / 4294967296.f);
otex.v = (fxdim * xtex.v + fydim * ytex.v) * -0.5f - fglobalposy * (1.f / 4294967296.f);
//Convert int32_t to float (in-place)
for (i=npoints-1; i>=0; i--)
for (int i=0; i<npoints; ++i)
{
((float *)rx1)[i] = ((float)rx1[i])*(1.0f/4096.f);
((float *)ry1)[i] = ((float)ry1[i])*(1.0f/4096.f);
@ -5173,16 +5190,15 @@ void polymost_fillpolygon(int32_t npoints)
if (gloy1 != -1) setpolymost2dview(); //disables blending, texturing, and depth testing
bglEnable(GL_ALPHA_TEST);
bglEnable(GL_TEXTURE_2D);
pth = our_texcache_fetch(0);
pthtyp *pth = our_texcache_fetch(0);
bglBindTexture(GL_TEXTURE_2D, pth ? pth->glpic : 0);
f = getshadefactor(globalshade);
float const f = getshadefactor(globalshade);
if (((globalorientation>>7)&3) > 1)
{
bglEnable(GL_BLEND);
a = float_trans[(globalorientation>>7)&3];
bglColor4f(f, f, f, a);
bglColor4f(f, f, f, float_trans[(globalorientation>>7)&3]);
}
else
{