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Polymodes: make flipping closer to classic.
This fixes cases A and B in test_tileoffsets.map. git-svn-id: https://svn.eduke32.com/eduke32@3778 1a8010ca-5511-0410-912e-c29ae57300e0
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64406cc25c
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2 changed files with 22 additions and 22 deletions
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@ -3546,7 +3546,7 @@ static inline void polymer_scansprites(int16_t sectnum, spritetype* localtsprit
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void polymer_updatesprite(int32_t snum)
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{
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int32_t curpicnum, xsize, ysize, tilexoff, tileyoff, xoff, yoff, i, j, cs;
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int32_t curpicnum, xsize, ysize, tilexoff, tileyoff, xoff, yoff, i, j;
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spritetype *tspr = tspriteptr[snum];
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float xratio, yratio, ang, f;
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float spos[3];
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@ -3554,12 +3554,13 @@ void polymer_updatesprite(int32_t snum)
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uint8_t flipu, flipv;
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_prsprite *s;
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const uint32_t cs = tspr->cstat;
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const uint32_t alignmask = (cs & SPR_ALIGN_MASK);
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if (pr_verbosity >= 3) OSD_Printf("PR : Updating sprite %i...\n", snum);
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if (tspr->owner < 0 || tspr->picnum < 0) return;
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cs = tspr->cstat;
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if (prsprites[tspr->owner] == NULL)
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{
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prsprites[tspr->owner] = (_prsprite *) Bcalloc(sizeof(_prsprite), 1);
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@ -3661,28 +3662,26 @@ void polymer_updatesprite(int32_t snum)
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inbuffer = vertsprite;
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{
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// Initially set flipu and flipv.
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const uint8_t xflip = !!(tspr->cstat & SPR_XFLIP);
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const uint8_t yflip = !!(tspr->cstat & SPR_YFLIP);
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const uint8_t flooraligned = ((tspr->cstat & SPR_ALIGN_MASK)==SPR_FLOOR);
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const uint8_t xflip = !!(cs & SPR_XFLIP);
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const uint8_t yflip = !!(cs & SPR_YFLIP);
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const uint8_t flooraligned = (alignmask==SPR_FLOOR);
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// Initially set flipu and flipv.
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flipu = (xflip ^ flooraligned);
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flipv = (yflip && !flooraligned);
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}
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if (pr_billboardingmode && (tspr->cstat & SPR_ALIGN_MASK)==0)
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{
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// do surgery on the face tspr to make it look like a wall sprite
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tspr->cstat |= 16;
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tspr->ang = (viewangle + 1024) & 2047;
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}
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if (pr_billboardingmode && alignmask==0)
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{
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// do surgery on the face tspr to make it look like a wall sprite
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tspr->cstat |= 16;
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tspr->ang = (viewangle + 1024) & 2047;
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}
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if (flipu) {
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xoff = -xoff;
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}
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if (flipu)
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xoff = -xoff;
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if (flipv) {
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yoff = -yoff;
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if (yflip && alignmask!=0)
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yoff = -yoff;
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}
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switch (tspr->cstat & SPR_ALIGN_MASK)
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@ -3743,7 +3742,7 @@ void polymer_updatesprite(int32_t snum)
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polymer_computeplane(&s->plane);
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if ((cs & SPR_ALIGN_MASK) && (pr_vbos > 0))
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if (alignmask && (pr_vbos > 0))
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{
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bglBindBufferARB(GL_ARRAY_BUFFER_ARB, s->plane.vbo);
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bglBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, 4 * sizeof(GLfloat) * 5, s->plane.buffer);
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@ -3755,7 +3754,7 @@ void polymer_updatesprite(int32_t snum)
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s->plane.vbo = 0;
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}
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if (tspr->cstat & SPR_ALIGN_MASK)
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if (alignmask)
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{
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int32_t curpriority = 0;
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@ -3835,7 +3835,8 @@ void polymost_drawsprite(int32_t snum)
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case 0: //Face sprite
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//Project 3D to 2D
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if (globalorientation&4) xoff = -xoff;
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if (globalorientation&8) yoff = -yoff;
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// NOTE: yoff not negated not for y flipping, unlike wall and floor
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// aligned sprites.
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sx0 = (float)(tspr->x-globalposx);
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sy0 = (float)(tspr->y-globalposy);
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