From 17a664753803d9b1606fa28cac62ef4b637a0ec9 Mon Sep 17 00:00:00 2001
From: sozud <122322823+sozud@users.noreply.github.com>
Date: Sun, 26 May 2024 13:14:27 -0700
Subject: [PATCH] WRP PSP func_8018C1E0 (#1183)

---
 src/st/wrp_psp/st_common.c | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/st/wrp_psp/st_common.c b/src/st/wrp_psp/st_common.c
index 8659434e3..43a95465f 100644
--- a/src/st/wrp_psp/st_common.c
+++ b/src/st/wrp_psp/st_common.c
@@ -61,7 +61,28 @@ u16 func_8018C160(Entity* a, Entity* b) {
     return ratan2(diffY, diffX);
 }
 
-INCLUDE_ASM("st/wrp_psp/psp/wrp_psp/st_common", func_8018C1E0);
+u16 func_8018C1E0(u16 arg0, u16 arg1, u16 arg2) {
+    u16 temp_a2 = (s16)(arg2 - arg1);
+    u16 var_v0;
+
+    if (temp_a2 & 0x800) {
+        var_v0 = (0x800 - temp_a2) & 0x7FF;
+    } else {
+        var_v0 = temp_a2;
+    }
+
+    if (var_v0 > arg0) {
+        if (temp_a2 & 0x800) {
+            var_v0 = arg1 - arg0;
+        } else {
+            var_v0 = arg1 + arg0;
+        }
+
+        return var_v0;
+    }
+
+    return arg2;
+}
 
 void SetStep(u8 step) {
     g_CurrentEntity->step = step;