maybe_shadow_1 might be a meme

asm/field_map_obj.s

@@ -5,202 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8094230
-sub_8094230: @ 8094230
-	push {r4,r5,lr}
-	sub sp, 0x4
-	adds r4, r0, 0
-	adds r5, r1, 0
-	movs r0, 0
-	str r0, [sp]
-	adds r0, r4, 0
-	movs r2, 0x1
-	movs r3, 0x2
-	bl maybe_shadow_1
-	adds r0, r4, 0
-	adds r1, r5, 0
-	bl sub_809425C
-	lsls r0, 24
-	lsrs r0, 24
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8094230
-
-	thumb_func_start sub_809425C
-sub_809425C: @ 809425C
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	adds r5, r1, 0
-	bl sub_80941B0
-	lsls r0, 24
-	cmp r0, 0
-	bne _08094270
-	movs r0, 0
-	b _08094280
-_08094270:
-	ldrb r0, [r4, 0x2]
-	movs r1, 0x41
-	negs r1, r1
-	ands r1, r0
-	strb r1, [r4, 0x2]
-	movs r0, 0x2
-	strh r0, [r5, 0x32]
-	movs r0, 0x1
-_08094280:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_809425C
-
-	thumb_func_start sub_8094288
-sub_8094288: @ 8094288
-	push {r4,r5,lr}
-	sub sp, 0x4
-	adds r4, r0, 0
-	adds r5, r1, 0
-	movs r0, 0
-	str r0, [sp]
-	adds r0, r4, 0
-	movs r2, 0x2
-	movs r3, 0x2
-	bl maybe_shadow_1
-	adds r0, r4, 0
-	adds r1, r5, 0
-	bl sub_80942B4
-	lsls r0, 24
-	lsrs r0, 24
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8094288
-
-	thumb_func_start sub_80942B4
-sub_80942B4: @ 80942B4
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	adds r5, r1, 0
-	bl sub_80941B0
-	lsls r0, 24
-	cmp r0, 0
-	bne _080942C8
-	movs r0, 0
-	b _080942D8
-_080942C8:
-	ldrb r0, [r4, 0x2]
-	movs r1, 0x41
-	negs r1, r1
-	ands r1, r0
-	strb r1, [r4, 0x2]
-	movs r0, 0x2
-	strh r0, [r5, 0x32]
-	movs r0, 0x1
-_080942D8:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80942B4
-
-	thumb_func_start sub_80942E0
-sub_80942E0: @ 80942E0
-	push {r4,r5,lr}
-	sub sp, 0x4
-	adds r4, r0, 0
-	adds r5, r1, 0
-	movs r0, 0
-	str r0, [sp]
-	adds r0, r4, 0
-	movs r2, 0x3
-	movs r3, 0x2
-	bl maybe_shadow_1
-	adds r0, r4, 0
-	adds r1, r5, 0
-	bl sub_809430C
-	lsls r0, 24
-	lsrs r0, 24
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80942E0
-
-	thumb_func_start sub_809430C
-sub_809430C: @ 809430C
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	adds r5, r1, 0
-	bl sub_80941B0
-	lsls r0, 24
-	cmp r0, 0
-	bne _08094320
-	movs r0, 0
-	b _08094330
-_08094320:
-	ldrb r0, [r4, 0x2]
-	movs r1, 0x41
-	negs r1, r1
-	ands r1, r0
-	strb r1, [r4, 0x2]
-	movs r0, 0x2
-	strh r0, [r5, 0x32]
-	movs r0, 0x1
-_08094330:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_809430C
-
-	thumb_func_start sub_8094338
-sub_8094338: @ 8094338
-	push {r4,r5,lr}
-	sub sp, 0x4
-	adds r4, r0, 0
-	adds r5, r1, 0
-	movs r0, 0
-	str r0, [sp]
-	adds r0, r4, 0
-	movs r2, 0x4
-	movs r3, 0x2
-	bl maybe_shadow_1
-	adds r0, r4, 0
-	adds r1, r5, 0
-	bl sub_8094364
-	lsls r0, 24
-	lsrs r0, 24
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8094338
-
-	thumb_func_start sub_8094364
-sub_8094364: @ 8094364
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	adds r5, r1, 0
-	bl sub_80941B0
-	lsls r0, 24
-	cmp r0, 0
-	bne _08094378
-	movs r0, 0
-	b _08094388
-_08094378:
-	ldrb r0, [r4, 0x2]
-	movs r1, 0x41
-	negs r1, r1
-	ands r1, r0
-	strb r1, [r4, 0x2]
-	movs r0, 0x2
-	strh r0, [r5, 0x32]
-	movs r0, 0x1
-_08094388:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8094364
-
 	thumb_func_start sub_8094390
 sub_8094390: @ 8094390
 	movs r2, 0x1

src/field_map_obj.c

@@ -4358,3 +4358,26 @@ bool8 sub_80941E0(struct MapObject *mapObject, struct Sprite *sprite)
             return FALSE;
     }
 }
+
+#define maybe_shadow_1_macro(name, fn1, fn2, ...) \
+static bool8 name##_2(struct MapObject *, struct Sprite *);\
+bool8 name(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    fn1(mapObject, sprite, __VA_ARGS__);\
+    return name##_2(mapObject, sprite);\
+}\
+static bool8 name##_2(struct MapObject *mapObject, struct Sprite *sprite)\
+{\
+    if (fn2(mapObject, sprite))\
+    {\
+        mapObject->mapobj_bit_22 = FALSE;\
+        sprite->data2 = 2;\
+        return TRUE;\
+    }\
+    return FALSE;\
+}
+
+maybe_shadow_1_macro(sub_8094230, maybe_shadow_1, sub_80941B0, 1, 2, 0)
+maybe_shadow_1_macro(sub_8094288, maybe_shadow_1, sub_80941B0, 2, 2, 0)
+maybe_shadow_1_macro(sub_80942E0, maybe_shadow_1, sub_80941B0, 3, 2, 0)
+maybe_shadow_1_macro(sub_8094338, maybe_shadow_1, sub_80941B0, 4, 2, 0)