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Match AddAxSprite

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This commit is contained in:
DizzyEggg
2024-12-22 13:42:39 +01:00
parent fe3577f516
commit 220779d721
2 changed files with 80 additions and 366 deletions
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30
include/structs/sprite_oam.h
View File

@@ -108,15 +108,23 @@ typedef struct SpriteOAM
#define SPRITEOAM_MASK_UNK6_3 (SPRITEOAM_MAX_UNK6_3 << SPRITEOAM_SHIFT_UNK6_3) // ~ 0xFFF7
*/
// Seems to be the "working" Y coord. Gets copied to attrib1's Y coord in `AddSprite()`.
// kermalis is too lazy to rename it atm since we're still figuring things out
#define SPRITEOAM_MAX_UNK6_4 0xFFF
#define SPRITEOAM_SHIFT_UNK6_4 4
#define SPRITEOAM_MASK_UNK6_4 (SPRITEOAM_MAX_UNK6_4 << SPRITEOAM_SHIFT_UNK6_4) // ~ 0xF
// It's the "working" Y coord. Gets copied to attrib1's Y coord in `AddSprite()`.
#define SPRITEOAM_MAX_WORKING_Y 0xFFF
#define SPRITEOAM_SHIFT_WORKING_Y 4
#define SPRITEOAM_MASK_WORKING_Y (SPRITEOAM_MAX_WORKING_Y << SPRITEOAM_SHIFT_WORKING_Y) // ~ 0xF
// These seems to work most of the time when dealing with sprite pointers. However, these DO NOT match when dealing with local variables, for example a Sprite struct on the stack.
// These seem to work most(all?) of the time.
// These have to be macros, because static inlines WON'T match.
#define SpriteSetOamY(spritePtr, _oamY) \
{ \
u32 _oamYSpriteVal = _oamY; \
_oamYSpriteVal &= SPRITEOAM_MAX_Y; \
_oamYSpriteVal <<= SPRITEOAM_SHIFT_Y; \
(spritePtr)->attrib1 &= ~SPRITEOAM_MASK_Y; \
(spritePtr)->attrib1 |= _oamYSpriteVal; \
}
#define SpriteSetAffine1(spritePtr, _affine1) \
{ \
u32 _affine1Val = _affine1; \
@@ -247,16 +255,16 @@ typedef struct SpriteOAM
#define SpriteGetY(spritePtr, _y) \
{ \
_y = (spritePtr)->unk6; \
_y >>= SPRITEOAM_SHIFT_UNK6_4; \
_y &= SPRITEOAM_MAX_UNK6_4; \
_y >>= SPRITEOAM_SHIFT_WORKING_Y; \
_y &= SPRITEOAM_MAX_WORKING_Y; \
}
#define SpriteSetY(spritePtr, _y) \
{ \
u32 _ySpriteVal = _y; \
_ySpriteVal &= SPRITEOAM_MAX_UNK6_4; \
_ySpriteVal <<= SPRITEOAM_SHIFT_UNK6_4; \
(spritePtr)->unk6 &= ~SPRITEOAM_MASK_UNK6_4; \
_ySpriteVal &= SPRITEOAM_MAX_WORKING_Y; \
_ySpriteVal <<= SPRITEOAM_SHIFT_WORKING_Y; \
(spritePtr)->unk6 &= ~SPRITEOAM_MASK_WORKING_Y; \
(spritePtr)->unk6 |= _ySpriteVal; \
}

416
src/sprite.c
View File

@@ -4,13 +4,7 @@
#include "sprite.h"
static EWRAM_DATA u16 sOAMSpriteCount = {0}; // 2025670 Written to but never read
#ifndef NONMATCHING
UNUSED // TODO: Remove the "UNUSED" attribute after AddAxSprite is done
#endif
static EWRAM_DATA s16 sUnknown_2025672[8] = {0};
#ifndef NONMATCHING
UNUSED // TODO: Remove the "UNUSED" attribute after AddAxSprite is done
#endif
static EWRAM_DATA s16 sUnknown_2025682[9] = {0};
static EWRAM_DATA DungeonPos sUnknown_2025694 = {0};
static EWRAM_DATA u32 sUnknown_2025698 = {0};
@@ -152,43 +146,42 @@ void sub_8004E8C(unkStruct_2039DB0 *a0)
a0->unkA = 0;
}
// This makes it seem that SpriteOAM is actually a struct of an array of 4. To verify later
static inline void CopySprite(SpriteOAM *_dst, SpriteOAM *_src) {
u16 *dst = (void *) _dst;
u16 *src = (void *) _src;
*(dst++) = *(src++);
*(dst++) = *(src++);
*(dst++) = *(src++);
*(dst++) = *(src++);
// Needed to match AddAxSprite and AddAxSprite. These macros assume SpriteOAM struct has size of 8
#define SpriteCopy(_dst, _src) \
{ \
u16 *_dstVar = (void *) _dst; \
u16 *_srcVar = (void *) _src; \
\
*(_dstVar++) = *(_srcVar++); \
*(_dstVar++) = *(_srcVar++); \
*(_dstVar++) = *(_srcVar++); \
*(_dstVar++) = *(_srcVar++); \
}
static inline void CopySpriteWithMasks(SpriteOAM *_dst, SpriteOAM *_src, struct unkStruct_2039DB0 *spriteMasks) {
u16 *dst = (void *) _dst;
u16 *src = (void *) _src;
*(dst++) = (*(src++) & spriteMasks->unk0) | spriteMasks->unk6;
*(dst++) = (*(src++) & spriteMasks->unk2) | spriteMasks->unk8;
*(dst++) = (*(src++) & spriteMasks->unk4) | spriteMasks->unkA;
*(dst++) = *(src++);
#define SpriteCopyWithMasks(_dst, _src, _spriteMasks) \
{ \
u16 *_dstVar = (void *) _dst; \
u16 *_srcVar = (void *) _src; \
\
*(_dstVar++) = (*(_srcVar++) & _spriteMasks->unk0) | _spriteMasks->unk6; \
*(_dstVar++) = (*(_srcVar++) & _spriteMasks->unk2) | _spriteMasks->unk8; \
*(_dstVar++) = (*(_srcVar++) & _spriteMasks->unk4) | _spriteMasks->unkA; \
*(_dstVar++) = *(_srcVar++); \
}
// https://decomp.me/scratch/VYqKb / https://decomp.me/scratch/33KIb - Same issue as AddSprite()
// Should be functionally equivalent.
#ifdef NONMATCHING
void AddAxSprite(ax_pose *a0, axdata1 *a1, UnkSpriteMem *a2, unkStruct_2039DB0 *spriteMasks)
{
// size: 0xC
struct UnkStackFor8004EA8
{
u16 unk0;
s16 unk0;
ax_pose_unk2 unk2;
SpriteOAM oam;
} sp;
SpriteOAM *sprite;
s32 r7;
s32 x;
s32 y;
s32 spriteId;
s32 pos; // Has to be used for both x and pos to match
struct UnkStackFor8004EA8 *spPtr;
if (a2 != NULL)
RegisterSpriteParts_80052BC(a2);
@@ -196,362 +189,75 @@ void AddAxSprite(ax_pose *a0, axdata1 *a1, UnkSpriteMem *a2, unkStruct_2039DB0 *
if (sSpriteCount >= 128)
return;
sp.unk0 = a0->sprite;
sp.unk2 = a0->unk2;
sp.oam.attrib1 = a0->flags1 & ~(0x100 | 0x200);
sp.oam.attrib2 = a0->flags2 & ~(0x200 | 0x400 | 0x800);
sp.oam.attrib3 = a0->flags3;
sp.oam.unk6 = ((a0->flags2 & (0x200 | 0x400 | 0x800)) >> 9) | ((a0->flags1 & (0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20 | 0x40 | 0x80 | 0x100 | 0x200)) << 4);
sprite = sUnknown_20262A8 + sSpriteCount;
r7 = a1->unk16 + sp.unk2.unk1;
spPtr = &sp;
spPtr->unk0 = a0->sprite;
spPtr->unk2 = a0->unk2;
if (r7 < 0)
r7 = 0;
if (r7 > 255)
r7 = 255;
spPtr->oam.attrib1 = a0->flags1 & ~(0x100 | 0x200);
spPtr->oam.attrib2 = a0->flags2 & ~(0x200 | 0x400 | 0x800);
spPtr->oam.attrib3 = a0->flags3;
spPtr->oam.unk6 = ((a0->flags2 & (0x200 | 0x400 | 0x800)) >> 9) | ((a0->flags1 & (0x1 | 0x2 | 0x4 | 0x8 | 0x10 | 0x20 | 0x40 | 0x80 | 0x100 | 0x200)) << 4);
sprite = &sUnknown_20262A8[sSpriteCount];
spriteId = a1->unk16 + sp.unk2.unk1;
if (spriteId < 0)
spriteId = 0;
if (spriteId > 255)
spriteId = 255;
if (spriteMasks == NULL) {
CopySprite(sprite, &sp.oam);
SpriteCopy(sprite, &spPtr->oam);
}
else {
CopySpriteWithMasks(sprite, &sp.oam, spriteMasks);
SpriteCopyWithMasks(sprite, &spPtr->oam, spriteMasks);
}
// Set tileNum
if (sp.unk2.unk0 != 0 && sUnknown_2025672[sp.unk2.unk0] != 0) {
s32 tileNum = sUnknown_2025672[sp.unk2.unk0];
tileNum &= SPRITEOAM_MAX_TILENUM;
tileNum <<= SPRITEOAM_SHIFT_TILENUM;
sprite->attrib3 &= ~SPRITEOAM_MASK_TILENUM;
sprite->attrib3 |= tileNum;
SpriteSetTileNum(sprite, sUnknown_2025672[sp.unk2.unk0]);
}
else {
// Animations add to existing tileNum
s32 newTileNum;
s32 tileNum = sprite->attrib3;
tileNum &= SPRITEOAM_MAX_TILENUM;
tileNum >>= SPRITEOAM_SHIFT_TILENUM;
newTileNum = (tileNum + a1->vramTileOrMaybeAnimTimer) & SPRITEOAM_MAX_TILENUM;
newTileNum <<= SPRITEOAM_SHIFT_TILENUM;
sprite->attrib3 &= ~SPRITEOAM_MASK_TILENUM;
sprite->attrib3 |= newTileNum;
SpriteSetTileNum(sprite, tileNum + a1->vramTileOrMaybeAnimTimer);
}
x = ((sprite->attrib2 >> SPRITEOAM_SHIFT_X) & SPRITEOAM_MAX_X);
x += a1->pos.x - 0x100;
if (x < -64)
pos = ((sprite->attrib2 >> SPRITEOAM_SHIFT_X) & SPRITEOAM_MAX_X) ;
pos += a1->pos.x - 0x100;
if (pos < -64)
return;
if (x >= DISPLAY_WIDTH)
if (pos >= DISPLAY_WIDTH)
return;
// Set x, maintain matrixNum/size
x &= SPRITEOAM_MAX_X;
x <<= SPRITEOAM_SHIFT_X;
sprite->attrib2 &= ~SPRITEOAM_MASK_X;
sprite->attrib2 |= x;
SpriteSetX(sprite, pos);
y = ((sprite->unk6 >> 4) & 0xFFF);
y += a1->pos.y - 0x200;
if (y < -64)
pos = ((sprite->unk6 >> SPRITEOAM_SHIFT_WORKING_Y) & SPRITEOAM_MAX_WORKING_Y);
pos += a1->pos.y - 0x200;
if (pos < -64)
return;
if (y >= DISPLAY_HEIGHT)
if (pos >= DISPLAY_HEIGHT)
return;
// Set y, maintain affineMode/objMode/mosaic/bpp/shape
y &= SPRITEOAM_MAX_Y;
y <<= SPRITEOAM_SHIFT_Y;
sprite->attrib1 &= ~SPRITEOAM_MASK_Y;
sprite->attrib1 |= y;
SpriteSetOamY(sprite, pos);
// Set paletteNum, maintain tileNum/priority
if (((sprite->unk6 >> 1) & SPRITEOAM_MAX_UNK6_1) == 0) {
s32 newPalNum = a1->paletteNum;
newPalNum &= SPRITEOAM_MAX_PALETTENUM;
newPalNum <<= SPRITEOAM_SHIFT_PALETTENUM;
sprite->attrib3 &= ~SPRITEOAM_MASK_PALETTENUM;
sprite->attrib3 |= newPalNum;
// Set paletteNum
if (!((sprite->unk6 >> SPRITEOAM_SHIFT_UNK6_1) & SPRITEOAM_MAX_UNK6_1)) {
SpriteSetPalNum(sprite, a1->paletteNum);
}
if (sp.unk2.unk0 != 0) {
s32 newPalNum = sUnknown_2025682[sp.unk2.unk0];
newPalNum &= SPRITEOAM_MAX_PALETTENUM;
newPalNum <<= SPRITEOAM_SHIFT_PALETTENUM;
sprite->attrib3 &= ~SPRITEOAM_MASK_PALETTENUM;
sprite->attrib3 |= newPalNum;
SpriteSetPalNum(sprite, sUnknown_2025682[sp.unk2.unk0]);
}
sUnknown_2025EA8[sSpriteCount].unk0 = sUnknown_20256A0.sprites[r7].unk0;
sUnknown_20256A0.sprites[r7].unk0 = sUnknown_2025EA8 + sSpriteCount;
sUnknown_2025EA8[sSpriteCount].unk0 = sUnknown_20256A0.sprites[spriteId].unk0;
sUnknown_20256A0.sprites[spriteId].unk0 = sUnknown_2025EA8 + sSpriteCount;
sSpriteCount++;
}
#else
NAKED static void AddAxSprite(ax_pose *a0, axdata1 *a1, UnkSpriteMem *a2, unkStruct_2039DB0 *spriteMasks)
{
asm_unified(
"push {r4-r7,lr}\n"
"\tmov r7, r9\n"
"\tmov r6, r8\n"
"\tpush {r6,r7}\n"
"\tsub sp, 0xC\n"
"\tadds r5, r0, 0\n"
"\tmov r8, r1\n"
"\tadds r0, r2, 0\n"
"\tadds r6, r3, 0\n"
"\tcmp r0, 0\n"
"\tbeq _08004EC2\n"
"\tbl RegisterSpriteParts_80052BC\n"
"_08004EC2:\n"
"\tldr r0, _08004F40\n"
"\tldr r7, [r0]\n"
"\tmov r12, r0\n"
"\tcmp r7, 0x7F\n"
"\tble _08004ECE\n"
"\tb _08005082\n"
"_08004ECE:\n"
"\tmov r2, sp\n"
"\tldrh r0, [r5]\n"
"\tstrh r0, [r2]\n"
"\tldrh r0, [r5, 0x2]\n"
"\tstrh r0, [r2, 0x2]\n"
"\tldrh r4, [r5, 0x4]\n"
"\tldr r0, _08004F44\n"
"\tands r0, r4\n"
"\tstrh r0, [r2, 0x4]\n"
"\tldrh r3, [r5, 0x6]\n"
"\tldr r0, _08004F48\n"
"\tands r0, r3\n"
"\tstrh r0, [r2, 0x6]\n"
"\tldrh r0, [r5, 0x8]\n"
"\tstrh r0, [r2, 0x8]\n"
"\tmovs r1, 0xE0\n"
"\tlsls r1, 4\n"
"\tands r1, r3\n"
"\tlsrs r1, 9\n"
"\tldr r0, _08004F4C\n"
"\tands r0, r4\n"
"\tlsls r0, 4\n"
"\torrs r1, r0\n"
"\tstrh r1, [r2, 0xA]\n"
"\tlsls r1, r7, 3\n"
"\tldr r0, _08004F50\n"
"\tadds r3, r1, r0\n"
"\tmov r0, r8\n"
"\tmovs r2, 0x16\n"
"\tldrsh r1, [r0, r2]\n"
"\tmov r0, sp\n"
"\tldrb r0, [r0, 0x3]\n"
"\tlsls r0, 24\n"
"\tasrs r0, 24\n"
"\tadds r7, r1, r0\n"
"\tcmp r7, 0\n"
"\tbge _08004F1A\n"
"\tmovs r7, 0\n"
"_08004F1A:\n"
"\tcmp r7, 0xFF\n"
"\tble _08004F20\n"
"\tmovs r7, 0xFF\n"
"_08004F20:\n"
"\tcmp r6, 0\n"
"\tbne _08004F54\n"
"\tadd r2, sp, 0x4\n"
"\tldrh r0, [r2]\n"
"\tstrh r0, [r3]\n"
"\tadds r2, 0x2\n"
"\tldrh r0, [r2]\n"
"\tstrh r0, [r3, 0x2]\n"
"\tadds r2, 0x2\n"
"\tadds r1, r3, 0x4\n"
"\tldrh r0, [r2]\n"
"\tstrh r0, [r1]\n"
"\tadds r2, 0x2\n"
"\tldrh r0, [r2]\n"
"\tstrh r0, [r1, 0x2]\n"
"\tb _08004F86\n"
"\t.align 2, 0\n"
"_08004F40: .4byte sSpriteCount\n"
"_08004F44: .4byte 0x0000fcff\n"
"_08004F48: .4byte 0x0000f1ff\n"
"_08004F4C: .4byte 0x000003ff\n"
"_08004F50: .4byte sUnknown_20262A8\n"
"_08004F54:\n"
"\tadd r4, sp, 0x4\n"
"\tldrh r1, [r4]\n"
"\tldrh r0, [r6]\n"
"\tands r0, r1\n"
"\tldrh r1, [r6, 0x6]\n"
"\torrs r0, r1\n"
"\tstrh r0, [r3]\n"
"\tadds r4, 0x2\n"
"\tldrh r1, [r4]\n"
"\tldrh r0, [r6, 0x2]\n"
"\tands r0, r1\n"
"\tldrh r1, [r6, 0x8]\n"
"\torrs r0, r1\n"
"\tstrh r0, [r3, 0x2]\n"
"\tadds r4, 0x2\n"
"\tadds r2, r3, 0x4\n"
"\tldrh r1, [r4]\n"
"\tldrh r0, [r6, 0x4]\n"
"\tands r0, r1\n"
"\tldrh r1, [r6, 0xA]\n"
"\torrs r0, r1\n"
"\tstrh r0, [r2]\n"
"\tadds r4, 0x2\n"
"\tldrh r0, [r4]\n"
"\tstrh r0, [r2, 0x2]\n"
"_08004F86:\n"
"\tmov r0, sp\n"
"\tldrb r0, [r0, 0x2]\n"
"\tcmp r0, 0\n"
"\tbeq _08004FB0\n"
"\tldr r1, _08004FA8\n"
"\tmov r0, sp\n"
"\tldrb r0, [r0, 0x2]\n"
"\tlsls r0, 1\n"
"\tadds r1, r0, r1\n"
"\tmovs r4, 0\n"
"\tldrsh r0, [r1, r4]\n"
"\tcmp r0, 0\n"
"\tbeq _08004FB0\n"
"\tadds r1, r0, 0\n"
"\tldr r0, _08004FAC\n"
"\tands r1, r0\n"
"\tb _08004FC0\n"
"\t.align 2, 0\n"
"_08004FA8: .4byte sUnknown_2025672\n"
"_08004FAC: .4byte 0x000003ff\n"
"_08004FB0:\n"
"\tldrh r1, [r3, 0x4]\n"
"\tldr r2, _08005090\n"
"\tands r1, r2\n"
"\tmov r6, r8\n"
"\tmovs r4, 0x14\n"
"\tldrsh r0, [r6, r4]\n"
"\tadds r1, r0\n"
"\tands r1, r2\n"
"_08004FC0:\n"
"\tldrh r2, [r3, 0x4]\n"
"\tmovs r0, 0xFC\n"
"\tlsls r0, 8\n"
"\tands r0, r2\n"
"\torrs r0, r1\n"
"\tstrh r0, [r3, 0x4]\n"
"\tldrh r4, [r3, 0x2]\n"
"\tldr r5, _08005094\n"
"\tadds r2, r5, 0\n"
"\tands r2, r4\n"
"\tldr r6, _08005098\n"
"\tadds r1, r2, r6\n"
"\tmov r2, r8\n"
"\tmovs r6, 0\n"
"\tldrsh r0, [r2, r6]\n"
"\tadds r2, r1, r0\n"
"\tmovs r0, 0x40\n"
"\tnegs r0, r0\n"
"\tmov r9, r0\n"
"\tcmp r2, r9\n"
"\tblt _08005082\n"
"\tcmp r2, 0xEF\n"
"\tbgt _08005082\n"
"\tands r2, r5\n"
"\tmovs r0, 0xFE\n"
"\tlsls r0, 8\n"
"\tands r0, r4\n"
"\torrs r0, r2\n"
"\tstrh r0, [r3, 0x2]\n"
"\tldrh r0, [r3, 0x6]\n"
"\tlsls r4, r0, 16\n"
"\tldr r1, _0800509C\n"
"\tadds r5, r1, 0\n"
"\tlsrs r2, r4, 20\n"
"\tldr r6, _080050A0\n"
"\tadds r1, r2, r6\n"
"\tmov r2, r8\n"
"\tmovs r6, 0x2\n"
"\tldrsh r0, [r2, r6]\n"
"\tadds r2, r1, r0\n"
"\tcmp r2, r9\n"
"\tblt _08005082\n"
"\tcmp r2, 0x9F\n"
"\tbgt _08005082\n"
"\tmovs r0, 0xFF\n"
"\tands r2, r0\n"
"\tldrh r1, [r3]\n"
"\tmovs r0, 0xFF\n"
"\tlsls r0, 8\n"
"\tands r0, r1\n"
"\torrs r0, r2\n"
"\tstrh r0, [r3]\n"
"\tlsrs r0, r4, 17\n"
"\tmovs r1, 0x1\n"
"\tands r0, r1\n"
"\tcmp r0, 0\n"
"\tbne _08005044\n"
"\tmov r0, r8\n"
"\tldrb r1, [r0, 0x1E]\n"
"\tmovs r0, 0xF\n"
"\tands r1, r0\n"
"\tlsls r1, 12\n"
"\tldrh r0, [r3, 0x4]\n"
"\tands r0, r5\n"
"\torrs r0, r1\n"
"\tstrh r0, [r3, 0x4]\n"
"_08005044:\n"
"\tmov r0, sp\n"
"\tldrb r0, [r0, 0x2]\n"
"\tcmp r0, 0\n"
"\tbeq _08005068\n"
"\tldr r1, _080050A4\n"
"\tmov r0, sp\n"
"\tldrb r0, [r0, 0x2]\n"
"\tlsls r0, 1\n"
"\tadds r0, r1\n"
"\tmovs r2, 0\n"
"\tldrsh r1, [r0, r2]\n"
"\tmovs r0, 0xF\n"
"\tands r1, r0\n"
"\tlsls r1, 12\n"
"\tldrh r0, [r3, 0x4]\n"
"\tands r0, r5\n"
"\torrs r0, r1\n"
"\tstrh r0, [r3, 0x4]\n"
"_08005068:\n"
"\tldr r0, _080050A8\n"
"\tmov r4, r12\n"
"\tldr r3, [r4]\n"
"\tlsls r2, r3, 3\n"
"\tadds r2, r0\n"
"\tldr r1, _080050AC\n"
"\tlsls r0, r7, 3\n"
"\tadds r0, r1\n"
"\tldr r1, [r0]\n"
"\tstr r1, [r2]\n"
"\tstr r2, [r0]\n"
"\tadds r3, 0x1\n"
"\tstr r3, [r4]\n"
"_08005082:\n"
"\tadd sp, 0xC\n"
"\tpop {r3,r4}\n"
"\tmov r8, r3\n"
"\tmov r9, r4\n"
"\tpop {r4-r7}\n"
"\tpop {r0}\n"
"\tbx r0\n"
"\t.align 2, 0\n"
"_08005090: .4byte 0x000003ff\n"
"_08005094: .4byte 0x000001ff\n"
"_08005098: .4byte 0xffffff00\n"
"_0800509C: .4byte 0x00000fff\n"
"_080050A0: .4byte 0xfffffe00\n"
"_080050A4: .4byte sUnknown_2025682\n"
"_080050A8: .4byte sUnknown_2025EA8\n"
"_080050AC: .4byte sUnknown_20256A0");
}
#endif // NONMATCHING
// a2 and spriteMasks are always called with NULL lol
void AddSprite(struct SpriteOAM *a0, s32 a1, struct UnkSpriteMem *a2, struct unkStruct_2039DB0 *spriteMasks)
{
@@ -569,13 +275,13 @@ void AddSprite(struct SpriteOAM *a0, s32 a1, struct UnkSpriteMem *a2, struct unk
a1 = 255;
if (spriteMasks == NULL) {
CopySprite(spr, a0);
SpriteCopy(spr, a0);
}
else {
CopySpriteWithMasks(spr, a0, spriteMasks);
SpriteCopyWithMasks(spr, a0, spriteMasks);
}
yPos = spr->unk6 >> SPRITEOAM_SHIFT_UNK6_4;
yPos = spr->unk6 >> SPRITEOAM_SHIFT_WORKING_Y;
nullsub_3(yPos, 0);
yPos &= SPRITEOAM_MAX_Y;
spr->attrib1 &= ~SPRITEOAM_MASK_Y;