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Add SPRINFO_DEFAULT_PIVOT, change spriteinfo_t.available to bit array

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Default is used if the bit is not set for a particular
frame.
This commit is contained in:
James R 2022-09-21 12:31:32 -07:00
parent b0f84e99fc
commit 5a631b302d
2 changed files with 9 additions and 3 deletions
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7
src/r_patchrotation.c
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@ -141,11 +141,16 @@ patch_t *Patch_GetRotatedSprite(
patch = W_CachePatchNum(lump, PU_SPRITE);
if (sprinfo->available)
if (in_bit_array(sprinfo->available, frame))
{
xpivot = sprinfo->pivot[frame].x;
ypivot = sprinfo->pivot[frame].y;
}
else if (in_bit_array(sprinfo->available, SPRINFO_DEFAULT_PIVOT))
{
xpivot = sprinfo->pivot[SPRINFO_DEFAULT_PIVOT].x;
ypivot = sprinfo->pivot[SPRINFO_DEFAULT_PIVOT].y;
}
else
{
xpivot = patch->leftoffset;

5
src/r_picformats.h
View file

@ -100,8 +100,9 @@ typedef struct
typedef struct
{
spriteframepivot_t pivot[64];
boolean available;
spriteframepivot_t pivot[64 + 1];
#define SPRINFO_DEFAULT_PIVOT (64)
UINT8 available[BIT_ARRAY_SIZE(64 + 1)]; // 1 extra for default_pivot
} spriteinfo_t;
// Portable Network Graphics