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Merge branch 'rotsprite_toast' into 'master' 

Fix incorrect offsets of cached rotsprites

See merge request STJr/SRB2Internal!468
This commit is contained in:
toaster 2019-11-14 18:49:12 -05:00
parent d36086ba33 46e8bf2f30
commit d0fac1988a
1 changed files with 11 additions and 7 deletions
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18
src/r_patch.c
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@ -1118,7 +1118,7 @@ void R_CacheRotSprite(spritenum_t sprnum, UINT8 frame, spriteinfo_t *sprinfo, sp
size_t size, size2;
INT32 bflip = (flip != 0x00);
#define SPRITE_XCENTER (patch->leftoffset)
#define SPRITE_XCENTER (leftoffset)
#define SPRITE_YCENTER (height / 2)
#define ROTSPRITE_XCENTER (newwidth / 2)
#define ROTSPRITE_YCENTER (newheight / 2)
@ -1127,7 +1127,7 @@ void R_CacheRotSprite(spritenum_t sprnum, UINT8 frame, spriteinfo_t *sprinfo, sp
{
INT32 dx, dy;
INT32 px, py;
INT32 width, height;
INT32 width, height, leftoffset;
fixed_t ca, sa;
lumpnum_t lump = sprframe->lumppat[rot];
@ -1140,6 +1140,7 @@ void R_CacheRotSprite(spritenum_t sprnum, UINT8 frame, spriteinfo_t *sprinfo, sp
patch = (patch_t *)W_CacheLumpNum(lump, PU_STATIC);
width = patch->width;
height = patch->height;
leftoffset = patch->leftoffset;
// rotation pivot
px = SPRITE_XCENTER;
@ -1153,8 +1154,11 @@ void R_CacheRotSprite(spritenum_t sprnum, UINT8 frame, spriteinfo_t *sprinfo, sp
px = sprinfo->pivot[frame].x;
py = sprinfo->pivot[frame].y;
}
if (flip)
if (bflip)
{
px = width - px;
leftoffset = width - leftoffset;
}
// Draw the sprite to a temporary buffer.
size = (width*height);
@ -1261,10 +1265,10 @@ void R_CacheRotSprite(spritenum_t sprnum, UINT8 frame, spriteinfo_t *sprinfo, sp
// make patch
newpatch = R_FlatToPatch_16bpp(rawdst, newwidth, newheight, &size);
newpatch->leftoffset = (newpatch->width / 2) - ((SPRITE_XCENTER - patch->leftoffset) * (bflip ? -1 : 1));
newpatch->topoffset = (newpatch->height / 2) - (SPRITE_YCENTER - patch->topoffset);
newpatch->leftoffset += ((width / 2) - px);
newpatch->topoffset += (SPRITE_YCENTER - py);
{
newpatch->leftoffset = (newpatch->width / 2) + (leftoffset - px);
newpatch->topoffset = (newpatch->height / 2) + (patch->topoffset - py);
}
//BP: we cannot use special tric in hardware mode because feet in ground caused by z-buffer
if (rendermode != render_none) // not for psprite