mirror of https://github.com/ZDoom/raze-gles.git
Calculate texture coordinates as double since we're storing them that way anyway
This isn't really intended to fix any specific issue, but to shut up Visual Studio whining about arithmetic overflows. git-svn-id: https://svn.eduke32.com/eduke32@7403 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx
parent
729f83761a
commit
770b255bff
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@ -17,7 +17,8 @@ typedef struct { float r, g, b, a; } coltypef;
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extern int32_t rendmode;
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extern float gtang;
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extern float glox1, gloy1;
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extern float gxyaspect, grhalfxdown10x;
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extern double gxyaspect;
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extern float grhalfxdown10x;
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extern float gcosang, gsinang, gcosang2, gsinang2;
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extern float gchang, gshang, gctang, gstang, gvisibility;
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@ -274,7 +275,6 @@ extern int32_t gloadtile_hi(int32_t,int32_t,int32_t,hicreplctyp *,int32_t,pthtyp
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extern int32_t globalnoeffect;
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extern int32_t drawingskybox;
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extern int32_t hicprecaching;
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extern float gyxscale, gxyaspect, ghalfx, grhalfxdown10;
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extern float fcosglobalang, fsinglobalang;
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extern float fxdim, fydim, fydimen, fviewingrange;
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@ -64,7 +64,7 @@ int32_t r_npotwallmode = 0;
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static float gviewxrange;
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static float ghoriz;
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float gxyaspect;
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double gxyaspect;
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float gyxscale, ghalfx, grhalfxdown10, grhalfxdown10x;
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float gcosang, gsinang, gcosang2, gsinang2;
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float gchang, gshang, gctang, gstang, gvisibility;
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@ -4602,7 +4602,7 @@ static void polymost_internal_nonparallaxed(vec2f_t n0, vec2f_t n1, float ryp0,
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float const ox2 = (oxy.y - fglobalposy) * gcosang - (oxy.x - fglobalposx) * gsinang;
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float oy2 = 1.f / ((oxy.x - fglobalposx) * gcosang2 + (oxy.y - fglobalposy) * gsinang2);
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double const px[3] = { x0, x1, ghalfx * ox2 * oy2 + ghalfx };
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double const px[3] = { x0, x1, (double)ghalfx * ox2 * oy2 + ghalfx };
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oy2 *= gyxscale;
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@ -4625,7 +4625,7 @@ static void polymost_internal_nonparallaxed(vec2f_t n0, vec2f_t n1, float ryp0,
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py[0] = y0;
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py[1] = y1;
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py[2] = (double)((float)(global_getzofslope_func(sectnum, (int)oxy.x, (int)oxy.y) - globalposz) * oy2 + ghoriz);
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py[2] = double(global_getzofslope_func(sectnum, Blrintf(oxy.x), Blrintf(oxy.y)) - globalposz) * oy2 + ghoriz;
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vec3f_t oxyz[2] = { { (float)(py[1] - py[2]), (float)(py[2] - py[0]), (float)(py[0] - py[1]) },
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{ (float)(px[2] - px[1]), (float)(px[0] - px[2]), (float)(px[1] - px[0]) } };
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@ -4686,7 +4686,7 @@ static void calc_ypanning(int32_t refposz, float ryp0, float ryp1,
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{
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float const t0 = ((float)(refposz-globalposz))*ryp0 + ghoriz;
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float const t1 = ((float)(refposz-globalposz))*ryp1 + ghoriz;
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float t = ((xtex.d*x0 + otex.d) * (float)yrepeat) / ((x1-x0) * ryp0 * 2048.f);
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float t = (float(xtex.d*x0 + otex.d) * (float)yrepeat) / ((x1-x0) * ryp0 * 2048.f);
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int i = (1<<(picsiz[globalpicnum]>>4));
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if (i < tilesiz[globalpicnum].y) i <<= 1;
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@ -4710,10 +4710,13 @@ static void calc_ypanning(int32_t refposz, float ryp0, float ryp1,
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ypan -= yoffs;
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}
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float const fy = (float) (ypan * i) * (1.f/256.f);
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xtex.v = (t0-t1)*t;
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ytex.v = (x1-x0)*t;
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otex.v = -xtex.v*x0 - ytex.v*t0 + fy*otex.d; xtex.v += fy*xtex.d; ytex.v += fy*ytex.d;
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float const fy = (float)(ypan * i) * (1.f / 256.f);
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xtex.v = double(t0 - t1) * t;
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ytex.v = double(x1 - x0) * t;
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otex.v = -xtex.v * x0 - ytex.v * t0 + fy * otex.d;
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xtex.v += fy * xtex.d;
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ytex.v += fy * ytex.d;
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}
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static inline int32_t testvisiblemost(float const x0, float const x1)
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@ -4731,12 +4734,12 @@ static inline int polymost_getclosestpointonwall(vec2_t const * const pos, int32
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{
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vec2_t const w = { wall[dawall].x, wall[dawall].y };
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vec2_t const d = { POINT2(dawall).x - w.x, POINT2(dawall).y - w.y };
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int64_t i = d.x * (pos->x - w.x) + d.y * (pos->y - w.y);
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int64_t i = d.x * ((int64_t)pos->x - w.x) + d.y * ((int64_t)pos->y - w.y);
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if (i < 0)
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return 1;
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int64_t const j = d.x * d.x + d.y * d.y;
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int64_t const j = (int64_t)d.x * d.x + (int64_t)d.y * d.y;
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if (i > j)
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return 1;
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@ -4872,13 +4875,13 @@ static void polymost_drawalls(int32_t const bunch)
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//Hack to draw black rectangle below sky when looking down...
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xtex.d = xtex.u = xtex.v = 0;
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ytex.d = gxyaspect * (1.f / 262144.f);
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ytex.d = gxyaspect * (1.0 / 262144.0);
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ytex.u = 0;
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ytex.v = (float)(tilesiz[globalpicnum].y - 1) * ytex.d;
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ytex.v = double(tilesiz[globalpicnum].y - 1) * ytex.d;
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otex.d = -ghoriz * ytex.d;
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otex.u = 0;
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otex.v = (float)(tilesiz[globalpicnum].y - 1) * otex.d;
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otex.v = double(tilesiz[globalpicnum].y - 1) * otex.d;
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o.y = ((float)tilesiz[globalpicnum].y*dd-vv[0])/vv[1];
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@ -4946,8 +4949,8 @@ static void polymost_drawalls(int32_t const bunch)
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xtex.d = xtex.v = 0;
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ytex.d = ytex.u = 0;
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otex.d = dd;
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xtex.u = otex.d * (t * (float)((uint64_t)(xdimscale * yxaspect) * viewingrange)) *
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(1.f / (16384.f * 65536.f * 65536.f * 5.f * 1024.f));
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xtex.u = otex.d * (t * double(((uint64_t)xdimscale * yxaspect) * viewingrange)) *
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(1.0 / (16384.0 * 65536.0 * 65536.0 * 5.0 * 1024.0));
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ytex.v = vv[1];
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otex.v = r_parallaxskypanning ? vv[0] + dd*(float)sec->floorypanning*(float)i*(1.f/256.f) : vv[0];
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@ -5055,7 +5058,7 @@ static void polymost_drawalls(int32_t const bunch)
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fsinglobalang * (1.f / 2147483648.f) };
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xtex.d = 0;
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ytex.d = gxyaspect*(1.f/4194304.f);
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ytex.d = gxyaspect*(1.0/4194304.0);
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otex.d = -ghoriz*ytex.d;
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xtex.u = ft[3]*fviewingrange*(-1.0/65536.0);
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xtex.v = ft[2]*fviewingrange*(-1.0/65536.0);
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@ -5089,11 +5092,11 @@ static void polymost_drawalls(int32_t const bunch)
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//wall of skybox
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drawingskybox = i+1; //i+1th texture/index i of skybox
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xtex.d = (sky_ryp0-sky_ryp1)*gxyaspect*(1.f/512.f) / (sky_ox0-sky_ox1);
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xtex.d = (sky_ryp0-sky_ryp1)*gxyaspect*(1.0/512.0) / (sky_ox0-sky_ox1);
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ytex.d = 0;
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otex.d = sky_ryp0*gxyaspect*(1.f/512.f) - xtex.d*sky_ox0;
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xtex.u = (sky_t0*sky_ryp0 - sky_t1*sky_ryp1)*gxyaspect*(64.f/512.f) / (sky_ox0-sky_ox1);
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otex.u = sky_t0*sky_ryp0*gxyaspect*(64.f/512.f) - xtex.u*sky_ox0;
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otex.d = sky_ryp0*gxyaspect*(1.0/512.0) - xtex.d*sky_ox0;
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xtex.u = (sky_t0*sky_ryp0 - sky_t1*sky_ryp1)*gxyaspect*(64.0/512.0) / (sky_ox0-sky_ox1);
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otex.u = sky_t0*sky_ryp0*gxyaspect*(64.0/512.0) - xtex.u*sky_ox0;
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ytex.u = 0;
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sky_t0 = -8192.f*sky_ryp0 + ghoriz;
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sky_t1 = -8192.f*sky_ryp1 + ghoriz;
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@ -5131,7 +5134,7 @@ static void polymost_drawalls(int32_t const bunch)
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fsinglobalang * (1.f / 2147483648.f) };
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xtex.d = 0;
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ytex.d = gxyaspect*(-1.f/4194304.f);
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ytex.d = gxyaspect*(-1.0/4194304.0);
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otex.d = -ghoriz*ytex.d;
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xtex.u = ft[3]*fviewingrange*(-1.0/65536.0);
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xtex.v = ft[2]*fviewingrange*(-1.0/65536.0);
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@ -5242,7 +5245,7 @@ static void polymost_drawalls(int32_t const bunch)
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//Hack to draw color rectangle above sky when looking up...
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xtex.d = xtex.u = xtex.v = 0;
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ytex.d = gxyaspect * (1.f / -262144.f);
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ytex.d = gxyaspect * (1.0 / -262144.0);
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ytex.u = 0;
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ytex.v = 0;
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@ -5282,8 +5285,8 @@ static void polymost_drawalls(int32_t const bunch)
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xtex.d = xtex.v = 0;
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ytex.d = ytex.u = 0;
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otex.d = dd;
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xtex.u = otex.d * (t * (float)((uint64_t)(xdimscale * yxaspect) * viewingrange)) *
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(1.f / (16384.f * 65536.f * 65536.f * 5.f * 1024.f));
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xtex.u = otex.d * (t * double(((uint64_t)xdimscale * yxaspect) * viewingrange)) *
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(1.0 / (16384.0 * 65536.0 * 65536.0 * 5.0 * 1024.0));
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ytex.v = vv[1];
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otex.v = r_parallaxskypanning ? vv[0] + dd*(float)sec->ceilingypanning*(float)i*(1.f/256.f) : vv[0];
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@ -5391,7 +5394,7 @@ static void polymost_drawalls(int32_t const bunch)
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fsinglobalang * (1.f / 2147483648.f) };
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xtex.d = 0;
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ytex.d = gxyaspect*(-1.f/4194304.f);
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ytex.d = gxyaspect*(-1.0/4194304.0);
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otex.d = -ghoriz*ytex.d;
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xtex.u = ft[3]*fviewingrange*(-1.0/65536.0);
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xtex.v = ft[2]*fviewingrange*(-1.0/65536.0);
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@ -5425,11 +5428,11 @@ static void polymost_drawalls(int32_t const bunch)
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//wall of skybox
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drawingskybox = i+1; //i+1th texture/index i of skybox
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xtex.d = (sky_ryp0-sky_ryp1)*gxyaspect*(1.f/512.f) / (sky_ox0-sky_ox1);
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xtex.d = (sky_ryp0-sky_ryp1)*gxyaspect*(1.0/512.0) / (sky_ox0-sky_ox1);
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ytex.d = 0;
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otex.d = sky_ryp0*gxyaspect*(1.f/512.f) - xtex.d*sky_ox0;
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xtex.u = (sky_t0*sky_ryp0 - sky_t1*sky_ryp1)*gxyaspect*(64.f/512.f) / (sky_ox0-sky_ox1);
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otex.u = sky_t0*sky_ryp0*gxyaspect*(64.f/512.f) - xtex.u*sky_ox0;
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otex.d = sky_ryp0*gxyaspect*(1.0/512.0) - xtex.d*sky_ox0;
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xtex.u = (sky_t0*sky_ryp0 - sky_t1*sky_ryp1)*gxyaspect*(64.0/512.0) / (sky_ox0-sky_ox1);
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otex.u = sky_t0*sky_ryp0*gxyaspect*(64.0/512.0) - xtex.u*sky_ox0;
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ytex.u = 0;
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sky_t0 = -8192.f*sky_ryp0 + ghoriz;
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sky_t1 = -8192.f*sky_ryp1 + ghoriz;
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@ -5467,7 +5470,7 @@ static void polymost_drawalls(int32_t const bunch)
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fsinglobalang * (1.f / 2147483648.f) };
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xtex.d = 0;
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ytex.d = gxyaspect*(1.f/4194304.f);
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ytex.d = gxyaspect*(1.0/4194304.0);
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otex.d = -ghoriz*ytex.d;
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xtex.u = ft[3]*fviewingrange*(-1.0/65536.0);
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xtex.v = ft[2]*fviewingrange*(-1.0/65536.0);
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@ -5546,7 +5549,7 @@ static void polymost_drawalls(int32_t const bunch)
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otex.d = ryp0*gxyaspect - xtex.d*x0;
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xtex.u = (t0*ryp0 - t1*ryp1)*gxyaspect*(float)wal->xrepeat*8.f / (x0-x1);
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otex.u = t0*ryp0*gxyaspect*(float)wal->xrepeat*8.f - xtex.u*x0;
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otex.u = t0*ryp0*gxyaspect*wal->xrepeat*8.0 - xtex.u*x0;
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otex.u += (float)wal->xpanning*otex.d;
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xtex.u += (float)wal->xpanning*xtex.d;
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ytex.u = 0;
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@ -5555,7 +5558,7 @@ static void polymost_drawalls(int32_t const bunch)
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Bassert(domostpolymethod == DAMETH_NOMASK);
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domostpolymethod = DAMETH_WALL;
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#ifdef YAX_ENABLE
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if (yax_nomaskpass==0 || !yax_isislandwall(wallnum, !yax_globalcf) || (yax_nomaskdidit=1, 0))
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#endif
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@ -5964,7 +5967,7 @@ void polymost_drawrooms()
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//Polymost supports true look up/down :) Here, we convert horizon to angle.
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//gchang&gshang are cos&sin of this angle (respectively)
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gyxscale = ((float)xdimenscale)*(1.0f/131072.f);
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gxyaspect = ((float)xyaspect*fviewingrange)*(5.f/(65536.f*262144.f));
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gxyaspect = ((double)xyaspect*fviewingrange)*(5.0/(65536.0*262144.0));
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gviewxrange = fviewingrange * fxdimen * (1.f/(32768.f*1024.f));
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gcosang = fcosglobalang*(1.0f/262144.f);
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gsinang = fsinglobalang*(1.0f/262144.f);
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@ -7475,7 +7478,7 @@ void polymost_dorotatespritemodel(int32_t sx, int32_t sy, int32_t z, int16_t a,
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float const ogstang = gstang; gstang = (float) sintable[a&2047]*d;
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int const ogshade = globalshade; globalshade = dashade;
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int const ogpal = globalpal; globalpal = (int32_t) ((uint8_t) dapalnum);
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float const ogxyaspect = gxyaspect; gxyaspect = 1.f;
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double const ogxyaspect = gxyaspect; gxyaspect = 1.f;
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int const oldviewingrange = viewingrange; viewingrange = 65536;
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float const oldfviewingrange = fviewingrange; fviewingrange = 65536.f;
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