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Factor out Polymost's widescreen bit handling code and use it in classic, too.

Browse source 
This means that classic and the GL modes now look the same as far as e.g.
hud_bgstretch or HUD weapons are concerned.

git-svn-id: https://svn.eduke32.com/eduke32@2911 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2012-08-16 21:48:50 +00:00
parent 08260dbf25
commit ecf277c70e
3 changed files with 93 additions and 89 deletions
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108
polymer/eduke32/build/src/engine.c
View file

@ -6844,6 +6844,92 @@ static int32_t clippoly4(int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2)
}
// INTERNAL helper function for classic/polymost dorotatesprite
int32_t dorotspr_handle_bit2(int32_t *sxptr, int32_t *syptr, int32_t z, int32_t dastat,
int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2)
{
int32_t x, sx, sy;
if ((dastat&2) == 0)
if (!(dastat & 1024) && 4*ydim <= 3*xdim)
{
setaspect(65536, (12<<16)/10);
// *sxptr and *syptr are left unchanged
return z;
}
// dastat&2: Auto window size scaling
sx = *sxptr;
sy = *syptr;
// nasty hacks go here
if (!(dastat&8))
{
const int32_t cxs = cx1+cx2+2;
int32_t sthelse;
const int32_t oxdim = xdim;
int32_t xdim = oxdim; // SHADOWS global
x = xdimenscale; //= scale(xdimen,yxaspect,320);
if (!(dastat & 1024) && 4*ydim <= 3*xdim)
{
xdim = (4*ydim)/3;
// aspect is divscale16(ydim*320, xdim*200)
setaspect(65536, (12<<16)/10);
}
sthelse = scale(sx-(320<<15), scale(xdimen, xdim, oxdim), 320);
{
int32_t xbord = 0;
if (dastat & (256|512))
{
xbord = scale(oxdim-xdim, cxs, oxdim);
if ((dastat & 512)==0)
xbord = -xbord;
}
sx = ((cxs+xbord)<<15) + sthelse;
}
sy = ((cy1+cy2+2)<<15)+mulscale16(sy-(200<<15),x);
}
else
{
//If not clipping to startmosts, & auto-scaling on, as a
//hard-coded bonus, scale to full screen instead
const int32_t oxdim = xdim;
int32_t xdim = oxdim; // SHADOWS global
if (!(dastat & 1024) && 4*ydim <= 3*xdim)
{
xdim = (4*ydim)/3;
setaspect(65536, (12<<16)/10);
}
x = scale(xdim,yxaspect,320);
sx = (xdim<<15)+32768+scale(sx-(320<<15),xdim,320);
sy = (ydim<<15)+32768+mulscale16(sy-(200<<15),x);
if (dastat & 512)
sx += (oxdim-xdim)<<16;
else if ((dastat & 256) == 0)
sx += (oxdim-xdim)<<15;
}
*sxptr = sx;
*syptr = sy;
return mulscale16(z,x);
}
//
// dorotatesprite (internal)
//
@ -6900,25 +6986,7 @@ static void dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t
cosang = sintable[(a+512)&2047];
sinang = sintable[a&2047];
if (dastat&2) //Auto window size scaling
{
if ((dastat&8) == 0)
{
x = xdimenscale; //= scale(xdimen,yxaspect,320);
sx = ((cx1+cx2+2)<<15) + scale(sx-(320<<15),xdimen,320);
sy = ((cy1+cy2+2)<<15) + mulscale16(sy-(200<<15),x);
}
else
{
//If not clipping to startmosts, & auto-scaling on, as a
//hard-coded bonus, scale to full screen instead
x = scale(xdim,yxaspect,320);
sx = (xdim<<15)+32768 + scale(sx-(320<<15),xdim,320);
sy = (ydim<<15)+32768 + mulscale16(sy-(200<<15),x);
}
z = mulscale16(z,x);
}
z = dorotspr_handle_bit2(&sx, &sy, z, dastat, cx1, cy1, cx2, cy2);
xv = mulscale14(cosang,z);
yv = mulscale14(sinang,z);
@ -7344,6 +7412,8 @@ static void dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16_t
buffermode = obuffermode;
setactivepage(activepage);
}*/
setaspect_new();
}

3
polymer/eduke32/build/src/engine_priv.h
View file

@ -77,6 +77,9 @@ extern palette_t palookupfog[MAXPALOOKUPS];
int32_t wallfront(int32_t l1, int32_t l2);
int32_t animateoffs(int16_t tilenum, int16_t fakevar);
int32_t dorotspr_handle_bit2(int32_t *sx, int32_t *sy, int32_t z, int32_t dastat,
int32_t cx1, int32_t cy1, int32_t cx2, int32_t cy2);
////// yax'y stuff //////
#ifdef USE_OPENGL
extern void polymost_scansector(int32_t sectnum);

71
polymer/eduke32/build/src/polymost.c
View file

@ -5623,76 +5623,7 @@ void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16
}
if (dastat&4) yoff = ysiz-yoff;
if (dastat&2) //Auto window size scaling
{
int32_t x;
// nasty hacks go here
if (!(dastat&8))
{
const int32_t cxs = cx1+cx2+2;
int32_t sthelse;
const int32_t oxdim = xdim;
int32_t xdim = oxdim; // SHADOWS global
x = xdimenscale; //= scale(xdimen,yxaspect,320);
if (!(dastat & 1024) && 4*ydim <= 3*xdim)
{
xdim = (4*ydim)/3;
// aspect is divscale16(ydim*320, xdim*200)
setaspect(65536, (12<<16)/10);
}
sthelse = scale(sx-(320<<15), scale(xdimen, xdim, oxdim), 320);
{
int32_t xbord = 0;
if (dastat & (256|512))
{
xbord = scale(oxdim-xdim, cxs, oxdim);
if ((dastat & 512)==0)
xbord = -xbord;
}
sx = ((cxs+xbord)<<15) + sthelse;
}
sy = ((cy1+cy2+2)<<15)+mulscale16(sy-(200<<15),x);
}
else
{
//If not clipping to startmosts, & auto-scaling on, as a
//hard-coded bonus, scale to full screen instead
const int32_t oxdim = xdim;
int32_t xdim = oxdim; // SHADOWS global
if (!(dastat & 1024) && 4*ydim <= 3*xdim)
{
xdim = (4*ydim)/3;
setaspect(65536, (12<<16)/10);
}
x = scale(xdim,yxaspect,320);
sx = (xdim<<15)+32768+scale(sx-(320<<15),xdim,320);
sy = (ydim<<15)+32768+mulscale16(sy-(200<<15),x);
if (dastat & 512)
sx += (oxdim-xdim)<<16;
else if ((dastat & 256) == 0)
sx += (oxdim-xdim)<<15;
}
z = mulscale16(z,x);
}
else if (!(dastat & 1024) && 4*ydim <= 3*xdim)
{
setaspect(65536, (12<<16)/10);
}
z = dorotspr_handle_bit2(&sx, &sy, z, dastat, cx1, cy1, cx2, cy2);
d = (double)z/(65536.0*16384.0);
cosang2 = cosang = (double)sintable[(a+512)&2047]*d;