From 33307f0b92bb0950a64df753d46fda2a7b87e12a Mon Sep 17 00:00:00 2001
From: Tal Hayon <talhayon1@gmail.com>
Date: Fri, 29 Jul 2022 11:21:15 +0300
Subject: [PATCH] Match sub_0807C4F8

---
 asm/non_matching/playerUtils/sub_0807C4F8.inc | 83 -------------------
 src/playerUtils.c                             | 30 ++++++-
 2 files changed, 29 insertions(+), 84 deletions(-)
 delete mode 100644 asm/non_matching/playerUtils/sub_0807C4F8.inc

diff --git a/asm/non_matching/playerUtils/sub_0807C4F8.inc b/asm/non_matching/playerUtils/sub_0807C4F8.inc
deleted file mode 100644
index 3a925427..00000000
--- a/asm/non_matching/playerUtils/sub_0807C4F8.inc
+++ /dev/null
@@ -1,83 +0,0 @@
-	.syntax unified
-	push {r4, r5, r6, lr}
-	ldr r0, _0807C594 @ =gRoomControls
-	ldrb r0, [r0, #4]
-	cmp r0, #0x71
-	beq _0807C592
-	ldr r0, _0807C598 @ =gMapDataBottomSpecial
-	movs r4, #0x80
-	lsls r4, r4, #8
-	adds r1, r4, #0
-	bl MemClear
-	ldr r0, _0807C59C @ =gMapDataTopSpecial
-	adds r1, r4, #0
-	bl MemClear
-	ldr r5, _0807C5A0 @ =gUnk_02022830
-	ldr r0, _0807C5A4 @ =gArea
-	ldr r1, _0807C5A8 @ =0x0000085C
-	adds r0, r0, r1
-	ldr r0, [r0]
-	ldr r4, [r0, #0xc]
-	subs r4, #0xc
-_0807C524:
-	adds r4, #0xc
-	ldr r1, [r4, #4]
-	ldr r0, _0807C598 @ =gMapDataBottomSpecial
-	cmp r1, r0
-	beq _0807C534
-	ldr r0, _0807C59C @ =gMapDataTopSpecial
-	cmp r1, r0
-	bne _0807C54A
-_0807C534:
-	ldr r0, [r4]
-	ldr r1, _0807C5AC @ =0x7FFFFFFF
-	ands r0, r1
-	str r0, [r5]
-	ldr r0, [r4, #4]
-	str r0, [r5, #4]
-	ldr r0, [r4, #8]
-	str r0, [r5, #8]
-	adds r0, r5, #0
-	bl sub_080197D4
-_0807C54A:
-	ldr r0, [r4]
-	cmp r0, #0
-	blt _0807C524
-	ldr r4, _0807C598 @ =gMapDataBottomSpecial
-	movs r0, #0x80
-	lsls r0, r0, #7
-	adds r5, r4, r0
-	adds r6, r0, #0
-	adds r0, r4, #0
-	adds r1, r5, #0
-	adds r2, r6, #0
-	bl MemCopy
-	adds r0, r4, #0
-	adds r1, r5, #0
-	bl sub_0807C5F4
-	adds r0, r5, #0
-	adds r1, r6, #0
-	bl MemClear
-	ldr r4, _0807C59C @ =gMapDataTopSpecial
-	adds r5, r4, r6
-	adds r0, r4, #0
-	adds r1, r5, #0
-	adds r2, r6, #0
-	bl MemCopy
-	adds r0, r4, #0
-	adds r1, r5, #0
-	bl sub_0807C5F4
-	adds r0, r5, #0
-	adds r1, r6, #0
-	bl MemClear
-_0807C592:
-	pop {r4, r5, r6, pc}
-	.align 2, 0
-_0807C594: .4byte gRoomControls
-_0807C598: .4byte gMapDataBottomSpecial
-_0807C59C: .4byte gMapDataTopSpecial
-_0807C5A0: .4byte gUnk_02022830
-_0807C5A4: .4byte gArea
-_0807C5A8: .4byte 0x0000085C
-_0807C5AC: .4byte 0x7FFFFFFF
-	.syntax divided
diff --git a/src/playerUtils.c b/src/playerUtils.c
index d44abfa5..87c1b326 100644
--- a/src/playerUtils.c
+++ b/src/playerUtils.c
@@ -59,6 +59,7 @@ u32 sub_0807A094(u32);
 SurfaceType GetSurfaceCalcType(Entity*, s32, s32);
 void sub_0807AAF8(Entity*, u32);
 
+extern u32 gUnk_02022830[];
 extern struct_0811BE48 gUnk_0811BE48[];
 extern void (*const gUnk_0811C27C[])(Entity*);
 extern void (*const gUnk_0811C284[])(PlayerEntity*);
@@ -3120,7 +3121,34 @@ void sub_0807C460(void) {
     }
 }
 
-ASM_FUNC("asm/non_matching/playerUtils/sub_0807C4F8.inc", void sub_0807C4F8())
+void sub_0807C4F8(void) {
+    u32* puVar1;
+    u32* ptr;
+
+    if (gRoomControls.area != 0x71) {
+        MemClear(gMapDataBottomSpecial, 0x8000);
+        MemClear(&gMapDataTopSpecial, 0x8000);
+        ptr = gUnk_02022830;
+        puVar1 = (u32*)(gArea.pCurrentRoomInfo)->map;
+        puVar1 -= 3;
+        do {
+            puVar1 += 3;
+            if (((u16*)puVar1[1] == gMapDataBottomSpecial) || ((u16*)puVar1[1] == (u16*)&gMapDataTopSpecial)) {
+                ptr[0] = puVar1[0] & 0x7fffffff;
+                ptr[1] = puVar1[1];
+                ptr[2] = puVar1[2];
+                sub_080197D4(ptr);
+            }
+        } while ((s32)*puVar1 < 0);
+        MemCopy(gMapDataBottomSpecial, gMapDataBottomSpecial + 0x2000, 0x4000);
+        sub_0807C5F4(gMapDataBottomSpecial, gMapDataBottomSpecial + 0x2000);
+
+        MemClear(gMapDataBottomSpecial + 0x2000, 0x4000);
+        MemCopy(gMapDataTopSpecial, gMapDataTopSpecial + 0x2000, 0x4000);
+        sub_0807C5F4(gMapDataTopSpecial, gMapDataTopSpecial + 0x2000);
+        MemClear(gMapDataTopSpecial + 0x2000, 0x4000);
+    }
+}
 
 void sub_0807C5B0(void) {
     u8 colTop;