sub_808D450

asm/field_map_obj.s

@@ -5,83 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_808D450
-sub_808D450: @ 808D450
-	push {r4-r6,lr}
-	mov r6, r10
-	mov r5, r9
-	mov r4, r8
-	push {r4-r6}
-	ldr r0, =gFieldEffectObjectTemplatePointers
-	ldr r0, [r0, 0x54]
-	mov r9, r0
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0x1F
-	bl CreateSpriteAtEnd
-	lsls r0, 24
-	lsrs r0, 24
-	ldr r1, =gSprites
-	mov r10, r1
-	lsls r4, r0, 4
-	adds r4, r0
-	lsls r4, 2
-	add r4, r10
-	ldrb r1, [r4, 0x1]
-	movs r5, 0x4
-	negs r5, r5
-	adds r0, r5, 0
-	ands r0, r1
-	movs r1, 0x1
-	mov r8, r1
-	mov r1, r8
-	orrs r0, r1
-	strb r0, [r4, 0x1]
-	adds r0, r4, 0
-	bl InitSpriteAffineAnim
-	adds r0, r4, 0
-	movs r1, 0
-	bl StartSpriteAffineAnim
-	adds r4, 0x3E
-	ldrb r0, [r4]
-	movs r6, 0x4
-	orrs r0, r6
-	strb r0, [r4]
-	mov r0, r9
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0x1F
-	bl CreateSpriteAtEnd
-	lsls r0, 24
-	lsrs r0, 24
-	lsls r4, r0, 4
-	adds r4, r0
-	lsls r4, 2
-	add r4, r10
-	ldrb r0, [r4, 0x1]
-	ands r5, r0
-	mov r0, r8
-	orrs r5, r0
-	strb r5, [r4, 0x1]
-	adds r0, r4, 0
-	bl InitSpriteAffineAnim
-	adds r0, r4, 0
-	movs r1, 0x1
-	bl StartSpriteAffineAnim
-	adds r4, 0x3E
-	ldrb r0, [r4]
-	orrs r0, r6
-	strb r0, [r4]
-	pop {r3-r5}
-	mov r8, r3
-	mov r9, r4
-	mov r10, r5
-	pop {r4-r6}
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end sub_808D450
-
 	thumb_func_start sub_808D4F4
 sub_808D4F4: @ 808D4F4
 	push {lr}

include/field_map_obj.h

@@ -11,4 +11,8 @@ extern struct MapObject gUnknown_02037350[16];
 
 void sub_808D438(void);
 
+// Exported data declarations
+
+extern const struct SpriteTemplate *const gFieldEffectObjectTemplatePointers[];
+
 #endif //POKEEMERALD_FIELD_MAP_OBJ_H

src/field_map_obj.c

@@ -12,7 +12,7 @@
 
 // Static ROM declarations
 
-void sub_808D450(void);
+/*static*/ void sub_808D450(void);
 
 // ROM data
 
@@ -43,3 +43,20 @@ void sub_808D438(void)
     ClearPlayerAvatarInfo();
     sub_808D450();
 }
+
+/*static*/ void sub_808D450(void)
+{
+    u8 spriteIdx;
+
+    spriteIdx = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[21], 0, 0, 31);
+    gSprites[spriteIdx].oam.affineMode = 1;
+    InitSpriteAffineAnim(&gSprites[spriteIdx]);
+    StartSpriteAffineAnim(&gSprites[spriteIdx], 0);
+    gSprites[spriteIdx].invisible = TRUE;
+
+    spriteIdx = CreateSpriteAtEnd(gFieldEffectObjectTemplatePointers[21], 0, 0, 31);
+    gSprites[spriteIdx].oam.affineMode = 1;
+    InitSpriteAffineAnim(&gSprites[spriteIdx]);
+    StartSpriteAffineAnim(&gSprites[spriteIdx], 1);
+    gSprites[spriteIdx].invisible = TRUE;
+}