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Match HWR_DrawFixedPatch to V_DrawFixedPatch

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This commit is contained in:
Sryder 2018-03-16 18:08:24 +00:00
parent 1b3e1f78af
commit 7764a1bb5d
1 changed files with 82 additions and 21 deletions
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103
src/hardware/hw_draw.c
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@ -147,10 +147,7 @@ void HWR_DrawFixedPatch(GLPatch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,
// | /|
// |/ |
// 0--1
float sdupx = FIXED_TO_FLOAT(vid.fdupx)*2.0f;
float sdupy = FIXED_TO_FLOAT(vid.fdupy)*2.0f;
float pdupx = FIXED_TO_FLOAT(vid.fdupx)*2.0f*FIXED_TO_FLOAT(pscale);
float pdupy = FIXED_TO_FLOAT(vid.fdupy)*2.0f*FIXED_TO_FLOAT(pscale);
float dupx, dupy, fscale, fwidth, fheight;
if (alphalevel >= 10 && alphalevel < 13)
return;
@ -161,40 +158,104 @@ void HWR_DrawFixedPatch(GLPatch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,
else
HWR_GetMappedPatch(gpatch, colormap);
dupx = (float)vid.dupx;
dupy = (float)vid.dupy;
switch (option & V_SCALEPATCHMASK)
{
case V_NOSCALEPATCH:
pdupx = pdupy = 2.0f;
dupx = dupy = 1.0f;
break;
case V_SMALLSCALEPATCH:
pdupx = 2.0f * FIXED_TO_FLOAT(vid.fsmalldupx);
pdupy = 2.0f * FIXED_TO_FLOAT(vid.fsmalldupy);
dupx = (float)vid.smalldupx;
dupy = (float)vid.smalldupy;
break;
case V_MEDSCALEPATCH:
pdupx = 2.0f * FIXED_TO_FLOAT(vid.fmeddupx);
pdupy = 2.0f * FIXED_TO_FLOAT(vid.fmeddupy);
dupx = (float)vid.meddupx;
dupy = (float)vid.meddupy;
break;
}
if (option & V_NOSCALESTART)
sdupx = sdupy = 2.0f;
dupx = dupy = (dupx < dupy ? dupx : dupy);
fscale = FIXED_TO_FLOAT(pscale);
if (option & V_SPLITSCREEN)
sdupy /= 2.0f;
if (option & V_FLIP) // Need to flip both this and sow
if (option & V_OFFSET)
{
v[0].x = v[3].x = (cx*sdupx-(gpatch->width-gpatch->leftoffset)*pdupx)/vid.width - 1;
v[2].x = v[1].x = (cx*sdupx+gpatch->leftoffset*pdupx)/vid.width - 1;
cx -= (float)gpatch->leftoffset * dupx * fscale;
cy -= (float)gpatch->topoffset * dupy * fscale;
}
else
{
v[0].x = v[3].x = (cx*sdupx-gpatch->leftoffset*pdupx)/vid.width - 1;
v[2].x = v[1].x = (cx*sdupx+(gpatch->width-gpatch->leftoffset)*pdupx)/vid.width - 1;
cy -= (float)gpatch->topoffset * fscale;
if (option & V_FLIP)
cx -= ((float)gpatch->width - (float)gpatch->leftoffset) * fscale;
else
cx -= (float)gpatch->leftoffset * fscale;
}
v[0].y = v[1].y = 1-(cy*sdupy-gpatch->topoffset*pdupy)/vid.height;
v[2].y = v[3].y = 1-(cy*sdupy+(gpatch->height-gpatch->topoffset)*pdupy)/vid.height;
if (option & V_SPLITSCREEN)
cy /= 2;
if (!(option & V_NOSCALESTART))
{
cx = cx * dupx;
cy = cy * dupy;
if (!(option & V_SCALEPATCHMASK))
{
// centre screen
if (vid.width != BASEVIDWIDTH * vid.dupx)
{
if (option & V_SNAPTORIGHT)
cx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx));
else if (!(option & V_SNAPTOLEFT))
cx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx))/2;
}
if (vid.height != BASEVIDHEIGHT * vid.dupy)
{
if ((option & (V_SPLITSCREEN|V_SNAPTOBOTTOM)) == (V_SPLITSCREEN|V_SNAPTOBOTTOM))
cy += ((float)vid.height/2 - ((float)BASEVIDHEIGHT/2 * dupy));
else if (option & V_SNAPTOBOTTOM)
cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy));
else if (!(option & V_SNAPTOTOP))
cy += ((float)vid.height - ((float)BASEVIDHEIGHT * dupy))/2;
}
// if it's meant to cover the whole screen, black out the rest
// TODO
/*if (x == 0 && SHORT(gpatch->width) == BASEVIDWIDTH && y == 0 && SHORT(gpatch->height) == BASEVIDHEIGHT)
{
const column_t *column = (const column_t *)((const UINT8 *)((patch_t *)gpatch) + LONG(((patch_t *)gpatch)->columnofs[0]));
const UINT8 *source = (const UINT8 *)(column) + 3;
HWR_DrawFill(0, 0, BASEVIDWIDTH, BASEVIDHEIGHT, (column->topdelta == 0xff ? 31 : source[0]));
}*/
}
}
if (pscale != FRACUNIT)
{
fwidth = (float)gpatch->width * fscale * dupx;
fheight = (float)gpatch->height * fscale * dupy;
}
else
{
fwidth = (float)gpatch->width * dupx;
fheight = (float)gpatch->height * dupy;
}
// positions of the cx, cy, are between 0 and vid.width/vid.height now, we need them to be between -1 and 1
cx = -1 + (cx / (vid.width/2));
cy = 1 - (cy / (vid.height/2));
// fwidth and fheight are similar
fwidth /= vid.width / 2;
fheight /= vid.height / 2;
// set the polygon vertices to the right positions
v[0].x = v[3].x = cx;
v[2].x = v[1].x = cx + fwidth;
v[0].y = v[1].y = cy;
v[2].y = v[3].y = cy - fheight;
v[0].z = v[1].z = v[2].z = v[3].z = 1.0f;