diff --git a/asm/field_map_obj.s b/asm/field_map_obj.s
index a560fb8f7..4bd603c83 100644
--- a/asm/field_map_obj.s
+++ b/asm/field_map_obj.s
@@ -5,140 +5,6 @@
 
 	.text
 
-	thumb_func_start FieldObjectSetGraphicsId
-@ void FieldObjectSetGraphicsId(npc_state *npcState, u8 graphicsId)
-FieldObjectSetGraphicsId: @ 808E3F8
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	adds r7, r0, 0
-	lsls r1, 24
-	lsrs r1, 24
-	mov r8, r1
-	mov r0, r8
-	bl GetFieldObjectGraphicsInfo
-	adds r6, r0, 0
-	ldrb r1, [r7, 0x4]
-	lsls r0, r1, 4
-	adds r0, r1
-	lsls r0, 2
-	ldr r1, =gSprites
-	adds r4, r0, r1
-	ldrb r0, [r6, 0xC]
-	lsls r1, r0, 28
-	lsrs r5, r1, 28
-	cmp r5, 0
-	bne _0808E434
-	ldrh r0, [r6, 0x2]
-	adds r1, r5, 0
-	bl pal_patch_for_npc
-	b _0808E456
-	.pool
-_0808E434:
-	cmp r5, 0xA
-	bne _0808E442
-	ldrh r0, [r6, 0x2]
-	lsrs r1, 28
-	bl npc_load_two_palettes__and_record
-	b _0808E456
-_0808E442:
-	cmp r5, 0xF
-	bls _0808E456
-	adds r0, r5, 0
-	subs r0, 0x10
-	lsls r0, 24
-	lsrs r5, r0, 24
-	ldrh r0, [r6, 0x2]
-	adds r1, r5, 0
-	bl sub_808EAB0
-_0808E456:
-	ldr r0, [r6, 0x10]
-	ldrb r2, [r0, 0x1]
-	lsrs r2, 6
-	lsls r2, 6
-	ldrb r3, [r4, 0x1]
-	movs r1, 0x3F
-	adds r0, r1, 0
-	ands r0, r3
-	orrs r0, r2
-	strb r0, [r4, 0x1]
-	ldr r0, [r6, 0x10]
-	ldrb r0, [r0, 0x3]
-	lsrs r0, 6
-	lsls r0, 6
-	ldrb r2, [r4, 0x3]
-	ands r1, r2
-	orrs r1, r0
-	strb r1, [r4, 0x3]
-	ldr r0, [r6, 0x1C]
-	str r0, [r4, 0xC]
-	ldr r0, [r6, 0x18]
-	str r0, [r4, 0x8]
-	ldr r0, [r6, 0x14]
-	str r0, [r4, 0x18]
-	lsls r2, r5, 4
-	ldrb r1, [r4, 0x5]
-	movs r0, 0xF
-	ands r0, r1
-	orrs r0, r2
-	strb r0, [r4, 0x5]
-	ldrb r1, [r6, 0xC]
-	lsls r1, 25
-	lsrs r1, 31
-	lsls r1, 4
-	ldrb r2, [r7, 0x1]
-	movs r0, 0x11
-	negs r0, r0
-	ands r0, r2
-	orrs r0, r1
-	strb r0, [r7, 0x1]
-	mov r0, r8
-	strb r0, [r7, 0x5]
-	movs r1, 0x10
-	ldrsh r0, [r7, r1]
-	movs r2, 0x12
-	ldrsh r1, [r7, r2]
-	adds r2, r4, 0
-	adds r2, 0x20
-	adds r3, r4, 0
-	adds r3, 0x22
-	bl sub_8093038
-	ldrh r0, [r6, 0x8]
-	lsls r0, 16
-	asrs r0, 17
-	negs r0, r0
-	adds r1, r4, 0
-	adds r1, 0x28
-	strb r0, [r1]
-	ldrh r0, [r6, 0xA]
-	lsls r0, 16
-	asrs r0, 17
-	negs r0, r0
-	adds r2, r4, 0
-	adds r2, 0x29
-	strb r0, [r2]
-	ldrh r0, [r4, 0x20]
-	adds r0, 0x8
-	strh r0, [r4, 0x20]
-	ldrh r1, [r4, 0x22]
-	adds r1, 0x10
-	movs r0, 0
-	ldrsb r0, [r2, r0]
-	adds r0, r1
-	strh r0, [r4, 0x22]
-	ldrb r0, [r7, 0x1]
-	lsrs r0, 7
-	cmp r0, 0
-	beq _0808E4F8
-	bl CameraObjectReset1
-_0808E4F8:
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r0}
-	bx r0
-	thumb_func_end FieldObjectSetGraphicsId
-
 	thumb_func_start sub_808E504
 sub_808E504: @ 808E504
 	push {r4,lr}
diff --git a/include/field_map_obj.h b/include/field_map_obj.h
index 3e7bdf932..14845b6d9 100644
--- a/include/field_map_obj.h
+++ b/include/field_map_obj.h
@@ -18,6 +18,7 @@ u8 sub_808D4F4(void);
 void RemoveFieldObjectByLocalIdAndMap(u8, u8, u8);
 void npc_load_two_palettes__no_record(u16, u8);
 void npc_load_two_palettes__and_record(u16, u8);
+void pal_patch_for_npc(u16, u8);
 void sub_808E16C(s16, s16);
 void sub_808EAB0(u16, u8);
 void sub_8092FF0(s16, s16, s16 *, s16 *);
@@ -30,6 +31,8 @@ u8 AddPseudoFieldObject(u16, void (*)(struct Sprite *), s16, s16, u8);
 u8 show_sprite(u8, u8, u8);
 u8 SpawnSpecialFieldObjectParametrized(u8, u8, u8, s16, s16, u8);
 u8 SpawnSpecialFieldObject(struct MapObjectTemplate *);
+void sub_8093038(s16, s16, s16 *, s16 *);
+void CameraObjectReset1(void);
 
 // Exported data declarations
 
diff --git a/src/field_map_obj.c b/src/field_map_obj.c
index 53dd1a863..bbdaaf6ec 100644
--- a/src/field_map_obj.c
+++ b/src/field_map_obj.c
@@ -902,3 +902,44 @@ static void SetPlayerAvatarFieldObjectIdAndObjectId(u8 mapObjectId, u8 spriteId)
     gPlayerAvatar.gender = GetPlayerAvatarGenderByGraphicsId(gMapObjects[mapObjectId].graphicsId);
     SetPlayerAvatarExtraStateTransition(gMapObjects[mapObjectId].graphicsId, 0x20);
 }
+
+void FieldObjectSetGraphicsId(struct MapObject *mapObject, u8 graphicsId)
+{
+    const struct MapObjectGraphicsInfo *graphicsInfo;
+    struct Sprite *sprite;
+    u8 paletteSlot;
+
+    graphicsInfo = GetFieldObjectGraphicsInfo(graphicsId);
+    sprite = &gSprites[mapObject->spriteId];
+    paletteSlot = graphicsInfo->paletteSlot;
+    if (paletteSlot == 0)
+    {
+        pal_patch_for_npc(graphicsInfo->paletteTag1, graphicsInfo->paletteSlot);
+    }
+    else if (paletteSlot == 10)
+    {
+        npc_load_two_palettes__and_record(graphicsInfo->paletteTag1, graphicsInfo->paletteSlot);
+    }
+    else if (paletteSlot >= 16)
+    {
+        paletteSlot -= 16;
+        sub_808EAB0(graphicsInfo->paletteTag1, paletteSlot);
+    }
+    sprite->oam.shape = graphicsInfo->oam->shape;
+    sprite->oam.size = graphicsInfo->oam->size;
+    sprite->images = graphicsInfo->images;
+    sprite->anims = graphicsInfo->anims;
+    sprite->subspriteTables = graphicsInfo->subspriteTables;
+    sprite->oam.paletteNum = paletteSlot;
+    mapObject->mapobj_bit_12 = graphicsInfo->inanimate;
+    mapObject->graphicsId = graphicsId;
+    sub_8093038(mapObject->coords2.x, mapObject->coords2.y, &sprite->pos1.x, &sprite->pos1.y);
+    sprite->centerToCornerVecX = -(graphicsInfo->width >> 1);
+    sprite->centerToCornerVecY = -(graphicsInfo->height >> 1);
+    sprite->pos1.x += 8;
+    sprite->pos1.y += 16 + sprite->centerToCornerVecY;
+    if (mapObject->mapobj_bit_15)
+    {
+        CameraObjectReset1();
+    }
+}