Decomp AreItemsEquivalent

asm/main_0200D894.s

@@ -1,36 +1,8 @@
 	.include "asm/macros.inc"
-	.include "main_0200D834.inc"
+	.include "main_0200D894.inc"
 
 	.text
 
-	arm_func_start AreItemsEquivalent
-AreItemsEquivalent: ; 0x0200D834
-	ldrb ip, [r0]
-	ldrb r3, [r1]
-	and ip, ip, r2
-	and r2, r3, r2
-	cmp ip, r2
-	movne r0, #0
-	bxne lr
-	ldrb r3, [r0, #1]
-	ldrb r2, [r1, #1]
-	cmp r3, r2
-	movne r0, #0
-	bxne lr
-	ldrh r3, [r0, #2]
-	ldrh r2, [r1, #2]
-	cmp r3, r2
-	movne r0, #0
-	bxne lr
-	ldrsh r2, [r0, #4]
-	ldrsh r0, [r1, #4]
-	cmp r2, r0
-	moveq r0, #1
-	movne r0, #0
-	and r0, r0, #0xff
-	bx lr
-	arm_func_end AreItemsEquivalent
-
 	arm_func_start sub_0200D894
 sub_0200D894: ; 0x0200D894
 	mov r1, #0

include/main_0200D81C.h

@@ -4,5 +4,6 @@
 #include "item.h"
 
 void ItemZInit(struct item* item);
+bool8 AreItemsEquivalent(struct item* item1, struct item* item2, s32 bitmask);
 
 #endif //PMDSKY_MAIN_0200D81C_H

main.lsf

@@ -60,7 +60,7 @@ Static main
 	Object src/item_util_4.o
 	Object asm/main_0200D1F0.o
 	Object src/main_0200D81C.o
-	Object asm/main_0200D834.o
+	Object asm/main_0200D894.o
 	Object src/item_util_1.o
 	Object asm/main_0200EB30.o
 	Object src/main_0200ECFC.o

src/main_0200D81C.c

@@ -7,3 +7,20 @@ void ItemZInit(struct item* item)
     item->flags = 0;
     item->held_by = 0;
 }
+
+bool8 AreItemsEquivalent(struct item* item1, struct item* item2, s32 bitmask)
+{
+    if ((item1->flags & bitmask) != (item2->flags & bitmask)) {
+        return FALSE;
+    }
+    if (item1->held_by != item2->held_by) {
+        return FALSE;
+    }
+    if (item1->quantity != item2->quantity) {
+        return FALSE;
+    }
+    if (item1->id != item2->id) {
+        return FALSE;
+    }
+    return TRUE;
+}