.include "constants/gba_constants.inc"
	.include "constants/species_constants.inc"
	.include "asm/macros.inc"

	.syntax unified

	.text

	thumb_func_start sub_8128774
sub_8128774: @ 8128774
	push {lr}
	adds r2, r0, 0
	movs r1, 0x2E
	ldrsh r0, [r2, r1]
	cmp r0, 0
	bne _081287A8
	adds r0, r2, 0
	adds r0, 0x3F
	ldrb r1, [r0]
	movs r0, 0x10
	ands r0, r1
	cmp r0, 0
	beq _081287A0
	adds r3, r2, 0
	adds r3, 0x3E
	ldrb r0, [r3]
	movs r1, 0x4
	orrs r0, r1
	strb r0, [r3]
	ldrh r0, [r2, 0x2E]
	adds r0, 0x1
	strh r0, [r2, 0x2E]
_081287A0:
	movs r1, 0x2E
	ldrsh r0, [r2, r1]
	cmp r0, 0
	beq _081287BE
_081287A8:
	ldrh r0, [r2, 0x30]
	adds r0, 0x1
	strh r0, [r2, 0x30]
	lsls r0, 16
	asrs r0, 16
	cmp r0, 0x22
	ble _081287BE
	adds r0, r2, 0
	movs r1, 0x36
	bl FieldEffectStop
_081287BE:
	pop {r0}
	bx r0
	thumb_func_end sub_8128774

	thumb_func_start sub_81287C4
sub_81287C4: @ 81287C4
	push {r4,lr}
	adds r4, r0, 0
	adds r0, 0x3F
	ldrb r1, [r0]
	movs r0, 0x10
	ands r0, r1
	cmp r0, 0
	beq _081287E2
	ldrh r1, [r4, 0x30]
	lsls r1, 24
	lsrs r1, 24
	adds r0, r4, 0
	bl FieldEffectStop
	b _081287F8
_081287E2:
	adds r0, r4, 0
	movs r1, 0
	bl sub_806487C
	ldrh r0, [r4, 0x2E]
	lsls r0, 24
	lsrs r0, 24
	adds r1, r4, 0
	movs r2, 0
	bl SetObjectSubpriorityByZCoord
_081287F8:
	pop {r4}
	pop {r0}
	bx r0
	thumb_func_end sub_81287C4

	thumb_func_start sub_8128800
sub_8128800: @ 8128800
	push {lr}
	adds r2, r0, 0
	adds r0, 0x3F
	ldrb r1, [r0]
	movs r0, 0x10
	ands r0, r1
	cmp r0, 0
	beq _0812881E
	ldrh r1, [r2, 0x2E]
	lsls r1, 24
	lsrs r1, 24
	adds r0, r2, 0
	bl FieldEffectStop
	b _08128826
_0812881E:
	adds r0, r2, 0
	movs r1, 0
	bl sub_806487C
_08128826:
	pop {r0}
	bx r0
	thumb_func_end sub_8128800

	thumb_func_start sub_812882C
sub_812882C: @ 812882C
	push {r4-r7,lr}
	adds r6, r0, 0
	adds r0, r1, 0
	lsls r0, 24
	lsrs r0, 24
	lsls r2, 24
	lsrs r2, 24
	adds r1, r6, 0
	bl SetObjectSubpriorityByZCoord
	movs r7, 0
_08128842:
	lsls r0, r7, 3
	adds r0, r7
	lsls r0, 2
	ldr r1, _081288DC @ =gMapObjects
	adds r4, r0, r1
	ldrb r0, [r4]
	lsls r0, 31
	cmp r0, 0
	beq _081288E4
	ldrb r0, [r4, 0x5]
	bl GetFieldObjectGraphicsInfo
	ldrb r1, [r4, 0x4]
	lsls r0, r1, 4
	adds r0, r1
	lsls r0, 2
	ldr r1, _081288E0 @ =gSprites
	adds r5, r0, r1
	adds r0, r6, 0
	adds r0, 0x28
	movs r2, 0
	ldrsb r2, [r0, r2]
	ldrh r0, [r6, 0x20]
	adds r1, r0, r2
	subs r0, r2
	lsls r0, 16
	lsrs r4, r0, 16
	lsls r1, 16
	asrs r1, 16
	movs r0, 0x20
	ldrsh r2, [r5, r0]
	cmp r1, r2
	bge _081288E4
	lsls r0, r4, 16
	asrs r0, 16
	cmp r0, r2
	ble _081288E4
	adds r0, r5, 0
	adds r0, 0x29
	movs r3, 0
	ldrsb r3, [r0, r3]
	ldrh r2, [r5, 0x22]
	adds r2, r3
	ldrh r4, [r5, 0x22]
	adds r0, r6, 0
	adds r0, 0x29
	movs r1, 0
	ldrsb r1, [r0, r1]
	ldrh r0, [r6, 0x22]
	subs r0, r1
	lsls r0, 16
	asrs r0, 16
	adds r3, r0, r3
	lsls r2, 16
	asrs r2, 16
	lsls r3, 16
	asrs r3, 16
	cmp r2, r3
	blt _081288BC
	cmp r2, r0
	bge _081288E4
_081288BC:
	lsls r0, r4, 16
	asrs r0, 16
	cmp r0, r3
	ble _081288E4
	adds r2, r6, 0
	adds r2, 0x43
	adds r0, r5, 0
	adds r0, 0x43
	ldrb r1, [r0]
	ldrb r0, [r2]
	cmp r0, r1
	bhi _081288E4
	adds r0, r1, 0x2
	strb r0, [r2]
	b _081288EE
	.align 2, 0
_081288DC: .4byte gMapObjects
_081288E0: .4byte gSprites
_081288E4:
	adds r0, r7, 0x1
	lsls r0, 24
	lsrs r7, r0, 24
	cmp r7, 0xF
	bls _08128842
_081288EE:
	pop {r4-r7}
	pop {r0}
	bx r0
	thumb_func_end sub_812882C

	.align 2, 0 @ Don't pad with nop.