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FindCameraObject

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This commit is contained in:
scnorton 2017-09-10 16:32:26 -04:00
parent c7b1a8c3da
commit 4dfae8b9e4
2 changed files with 14 additions and 40 deletions
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40
asm/field_map_obj.s
View File

@ -5,46 +5,6 @@
.text
thumb_func_start FindCameraObject
@ struct obj *FindCameraObject()
FindCameraObject: @ 808EE44
push {r4,r5,lr}
movs r3, 0
ldr r4, =gSprites
adds r5, r4, 0
adds r5, 0x1C
_0808EE4E:
lsls r0, r3, 4
adds r0, r3
lsls r1, r0, 2
adds r2, r1, r4
adds r0, r2, 0
adds r0, 0x3E
ldrb r0, [r0]
lsls r0, 31
cmp r0, 0
beq _0808EE78
adds r0, r1, r5
ldr r1, [r0]
ldr r0, =ObjectCB_CameraObject
cmp r1, r0
bne _0808EE78
adds r0, r2, 0
b _0808EE84
.pool
_0808EE78:
adds r0, r3, 0x1
lsls r0, 24
lsrs r3, r0, 24
cmp r3, 0x3F
bls _0808EE4E
movs r0, 0
_0808EE84:
pop {r4,r5}
pop {r1}
bx r1
thumb_func_end FindCameraObject
thumb_func_start CameraObjectReset1
@ void CameraObjectReset1()
CameraObjectReset1: @ 808EE8C

14
src/field_map_obj.c
View File

@ -1387,3 +1387,17 @@ void ObjectCB_CameraObject(struct Sprite *sprite)
sprite->data2 = 0;
sprite->data3 = 0;
}
/*static*/ struct Sprite *FindCameraObject(void)
{
u8 spriteId;
for (spriteId = 0; spriteId < MAX_SPRITES; spriteId ++)
{
if (gSprites[spriteId].inUse && gSprites[spriteId].callback == ObjectCB_CameraObject)
{
return &gSprites[spriteId];
}
}
return NULL;
}