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* Update V_DrawCroppedPatch and V_DrawFill to support V_PERPLAYER.

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* Fix some mistakes in the comments for v_video.h.
This commit is contained in:
toasterbabe 2018-01-21 12:56:38 +00:00
parent 373bb329a2
commit dca107f630
3 changed files with 166 additions and 25 deletions
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81
src/hardware/hw_draw.c
View file

@ -194,36 +194,22 @@ void HWR_DrawFixedPatch(GLPatch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,
float adjustx = ((option & V_NOSCALESTART) ? vid.width : BASEVIDWIDTH)/2.0f;
pdupx /= 2;
cx /= 2;
if (stplyr == &players[displayplayer])
option &= ~V_SNAPTOBOTTOM|V_SNAPTORIGHT;
else if (stplyr == &players[secondarydisplayplayer])
{
if (stplyr == &players[secondarydisplayplayer])
cx += adjustx;
option &= ~V_SNAPTOBOTTOM|V_SNAPTOLEFT;
}
else if (stplyr == &players[thirddisplayplayer])
{
cy += adjusty;
option &= ~V_SNAPTOTOP|V_SNAPTORIGHT;
}
else //if (stplyr == &players[fourthdisplayplayer])
else if (stplyr == &players[fourthdisplayplayer])
{
cx += adjustx;
cy += adjusty;
option &= ~V_SNAPTOTOP|V_SNAPTOLEFT;
}
}
else
#endif
// 2 players
{
if (stplyr == &players[displayplayer])
option &= ~V_SNAPTOBOTTOM;
else //if (stplyr == &players[secondarydisplayplayer])
{
if (stplyr == &players[secondarydisplayplayer])
cy += adjusty;
option &= ~V_SNAPTOTOP;
}
}
}
@ -323,6 +309,37 @@ void HWR_DrawCroppedPatch(GLPatch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscal
if (option & V_NOSCALESTART)
sdupx = sdupy = 2.0f;
if (splitscreen && (option & V_PERPLAYER))
{
float adjusty = ((option & V_NOSCALESTART) ? vid.height : BASEVIDHEIGHT)/2.0f;
pdupy /= 2;
cy /= 2;
// unlike software no need to adjust texture sourcing
#ifdef QUADS
if (splitscreen > 1) // 3 or 4 players
{
float adjustx = ((option & V_NOSCALESTART) ? vid.width : BASEVIDWIDTH)/2.0f;
pdupx /= 2;
cx /= 2;
if (stplyr == &players[secondarydisplayplayer])
cx += adjustx;
else if (stplyr == &players[thirddisplayplayer])
cy += adjusty;
if (stplyr == &players[fourthdisplayplayer])
{
cx += adjustx;
cy += adjusty;
}
}
else
#endif
// 2 players
{
if (stplyr == &players[secondarydisplayplayer])
cy += adjusty;
}
}
v[0].x = v[3].x = (cx*sdupx - gpatch->leftoffset * pdupx) / vid.width - 1;
v[2].x = v[1].x = (cx*sdupx + ((w) - gpatch->leftoffset) * pdupx) / vid.width - 1;
v[0].y = v[1].y = 1 - (cy*sdupy - gpatch->topoffset * pdupy) / vid.height;
@ -718,6 +735,36 @@ void HWR_DrawFill(INT32 x, INT32 y, INT32 w, INT32 h, INT32 color)
if (color & V_NOSCALESTART)
sdupx = sdupy = 2.0f;
if (splitscreen && (color & V_PERPLAYER))
{
float adjusty = ((color & V_NOSCALESTART) ? vid.height : BASEVIDHEIGHT)/2.0f;
w >>= 1;
y >>= 1;
#ifdef QUADS
if (splitscreen > 1) // 3 or 4 players
{
float adjustx = ((color & V_NOSCALESTART) ? vid.width : BASEVIDWIDTH)/2.0f;
w >>= 1;
x >>= 1;
if (stplyr == &players[secondarydisplayplayer])
x += adjustx;
else if (stplyr == &players[thirddisplayplayer])
y += adjusty;
else if (stplyr == &players[fourthdisplayplayer])
{
x += adjustx;
y += adjusty;
}
}
else
#endif
// 2 players
{
if (stplyr == &players[secondarydisplayplayer])
y += adjusty;
}
}
v[0].x = v[3].x = (x*sdupx)/vid.width - 1;
v[2].x = v[1].x = (x*sdupx + w*sdupx)/vid.width - 1;
v[0].y = v[1].y = 1-(y*sdupy)/vid.height;

106
src/v_video.c
View file

@ -714,9 +714,7 @@ void V_DrawFixedPatch(fixed_t x, fixed_t y, fixed_t pscale, INT32 scrn, patch_t
if (vid.height != BASEVIDHEIGHT * dupy)
{
// same thing here
/*if ((scrn & (V_PERPLAYER|V_SNAPTOBOTTOM)) == (V_PERPLAYER|V_SNAPTOBOTTOM))
y += (vid.height/2 - (BASEVIDHEIGHT/2 * dupy));
else */if (scrn & V_SNAPTOBOTTOM)
if (scrn & V_SNAPTOBOTTOM)
y += (vid.height - (BASEVIDHEIGHT * dupy));
else if (!(scrn & V_SNAPTOTOP))
y += (vid.height - (BASEVIDHEIGHT * dupy)) / 2;
@ -837,6 +835,60 @@ void V_DrawCroppedPatch(fixed_t x, fixed_t y, fixed_t pscale, INT32 scrn, patch_
y -= FixedMul(SHORT(patch->topoffset)<<FRACBITS, pscale);
x -= FixedMul(SHORT(patch->leftoffset)<<FRACBITS, pscale);
if (splitscreen && (scrn & V_PERPLAYER))
{
fixed_t adjusty = ((scrn & V_NOSCALESTART) ? vid.height : BASEVIDHEIGHT)<<(FRACBITS-1);
fdup >>= 1;
rowfrac <<= 1;
y >>= 1;
sy >>= 1;
h >>= 1;
#ifdef QUADS
if (splitscreen > 1) // 3 or 4 players
{
fixed_t adjustx = ((scrn & V_NOSCALESTART) ? vid.height : BASEVIDHEIGHT)<<(FRACBITS-1));
colfrac <<= 1;
x >>= 1;
sx >>= 1;
w >>= 1;
if (stplyr == &players[displayplayer])
scrn &= ~V_SNAPTOBOTTOM|V_SNAPTORIGHT;
else if (stplyr == &players[secondarydisplayplayer])
{
x += adjustx;
sx += adjustx;
scrn &= ~V_SNAPTOBOTTOM|V_SNAPTOLEFT;
}
else if (stplyr == &players[thirddisplayplayer])
{
y += adjusty;
sy += adjusty;
scrn &= ~V_SNAPTOTOP|V_SNAPTORIGHT;
}
else //if (stplyr == &players[fourthdisplayplayer])
{
x += adjustx;
sx += adjustx;
y += adjusty;
sy += adjusty;
scrn &= ~V_SNAPTOTOP|V_SNAPTOLEFT;
}
}
else
#endif
// 2 players
{
if (stplyr == &players[displayplayer])
scrn &= ~V_SNAPTOBOTTOM;
else //if (stplyr == &players[secondarydisplayplayer])
{
y += adjusty;
sy += adjusty;
scrn &= ~V_SNAPTOTOP;
}
}
}
desttop = screens[scrn&V_PARAMMASK];
if (!desttop)
@ -879,9 +931,7 @@ void V_DrawCroppedPatch(fixed_t x, fixed_t y, fixed_t pscale, INT32 scrn, patch_
if (vid.height != BASEVIDHEIGHT * dupy)
{
// same thing here
if ((scrn & (V_PERPLAYER|V_SNAPTOBOTTOM)) == (V_PERPLAYER|V_SNAPTOBOTTOM))
y += (vid.height/2 - (BASEVIDHEIGHT/2 * dupy));
else if (scrn & V_SNAPTOBOTTOM)
if (scrn & V_SNAPTOBOTTOM)
y += (vid.height - (BASEVIDHEIGHT * dupy));
else if (!(scrn & V_SNAPTOTOP))
y += (vid.height - (BASEVIDHEIGHT * dupy)) / 2;
@ -1042,6 +1092,50 @@ void V_DrawFill(INT32 x, INT32 y, INT32 w, INT32 h, INT32 c)
}
#endif
if (splitscreen && (c & V_PERPLAYER))
{
fixed_t adjusty = ((c & V_NOSCALESTART) ? vid.height : BASEVIDHEIGHT)>>1;
h >>= 1;
y >>= 1;
#ifdef QUADS
if (splitscreen > 1) // 3 or 4 players
{
fixed_t adjustx = ((c & V_NOSCALESTART) ? vid.height : BASEVIDHEIGHT)>>1;
w >>= 1;
x >>= 1;
if (stplyr == &players[displayplayer])
c &= ~V_SNAPTOBOTTOM|V_SNAPTORIGHT;
else if (stplyr == &players[secondarydisplayplayer])
{
x += adjustx;
c &= ~V_SNAPTOBOTTOM|V_SNAPTOLEFT;
}
else if (stplyr == &players[thirddisplayplayer])
{
y += adjusty;
c &= ~V_SNAPTOTOP|V_SNAPTORIGHT;
}
else //if (stplyr == &players[fourthdisplayplayer])
{
x += adjustx;
y += adjusty;
c &= ~V_SNAPTOTOP|V_SNAPTOLEFT;
}
}
else
#endif
// 2 players
{
if (stplyr == &players[displayplayer])
c &= ~V_SNAPTOBOTTOM;
else //if (stplyr == &players[secondarydisplayplayer])
{
y += adjusty;
c &= ~V_SNAPTOTOP;
}
}
}
if (!(c & V_NOSCALESTART))
{
INT32 dupx = vid.dupx, dupy = vid.dupy;

4
src/v_video.h
View file

@ -112,8 +112,8 @@ extern RGBA_t *pMasterPalette;
#define V_WRAPX 0x10000000 // Don't clamp texture on X (for HW mode)
#define V_WRAPY 0x20000000 // Don't clamp texture on Y (for HW mode)
#define V_NOSCALESTART 0x40000000 // don't scale x, y, start coords
#define V_PERPLAYER 0x80000000
#define V_NOSCALESTART 0x40000000 // don't scale x, y, start coords
#define V_PERPLAYER 0x80000000 // automatically adjust coordinates/scaling for splitscreen mode
// defines for old functions
#define V_DrawPatch(x,y,s,p) V_DrawFixedPatch((x)<<FRACBITS, (y)<<FRACBITS, FRACUNIT, s|V_NOSCALESTART|V_NOSCALEPATCH, p, NULL)