diff --git a/asm/secret_base.s b/asm/secret_base.s
index 5b5912d6d..b3c5eaf71 100644
--- a/asm/secret_base.s
+++ b/asm/secret_base.s
@@ -5,93 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_80E8BF8
-sub_80E8BF8: @ 80E8BF8
-	push {r4,lr}
-	sub sp, 0x4
-	mov r4, sp
-	adds r4, 0x2
-	mov r0, sp
-	adds r1, r4, 0
-	bl GetXYCoordsOneStepInFrontOfPlayer
-	mov r0, sp
-	movs r1, 0
-	ldrsh r0, [r0, r1]
-	movs r2, 0
-	ldrsh r1, [r4, r2]
-	bl MapGridGetMetatileBehaviorAt
-	adds r1, r0, 0
-	ldr r2, =0x00000fff
-	adds r0, r2, 0
-	ands r1, r0
-	adds r0, r1, 0
-	subs r0, 0x90
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bhi _080E8C34
-	movs r0, 0x1
-	b _080E8C8E
-	.pool
-_080E8C34:
-	adds r0, r1, 0
-	subs r0, 0x92
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bhi _080E8C44
-	movs r0, 0x2
-	b _080E8C8E
-_080E8C44:
-	adds r0, r1, 0
-	subs r0, 0x9A
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bhi _080E8C54
-	movs r0, 0x3
-	b _080E8C8E
-_080E8C54:
-	adds r0, r1, 0
-	subs r0, 0x94
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bhi _080E8C64
-	movs r0, 0x4
-	b _080E8C8E
-_080E8C64:
-	adds r0, r1, 0
-	subs r0, 0x96
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bls _080E8C78
-	cmp r1, 0x9C
-	beq _080E8C78
-	cmp r1, 0x9D
-	bne _080E8C7C
-_080E8C78:
-	movs r0, 0x5
-	b _080E8C8E
-_080E8C7C:
-	adds r0, r1, 0
-	subs r0, 0x98
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x1
-	bls _080E8C8C
-	movs r0, 0
-	b _080E8C8E
-_080E8C8C:
-	movs r0, 0x6
-_080E8C8E:
-	add sp, 0x4
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80E8BF8
-
 	thumb_func_start sub_80E8C98
 sub_80E8C98: @ 80E8C98
 	push {r4,lr}
diff --git a/include/field_player_avatar.h b/include/field_player_avatar.h
index 5c16e9414..25b7f2d71 100644
--- a/include/field_player_avatar.h
+++ b/include/field_player_avatar.h
@@ -11,5 +11,6 @@ u8 player_get_direction_upper_nybble(void);
 u8 player_get_x22(void);
 
 void sub_808D074(u8);
+void GetXYCoordsOneStepInFrontOfPlayer(s16 *xPtr, s16 *yPtr);
 
 #endif //GUARD_FIELD_PLAYER_AVATAR_H
diff --git a/src/secret_base.c b/src/secret_base.c
index 9398e9428..d92a035be 100644
--- a/src/secret_base.c
+++ b/src/secret_base.c
@@ -4,6 +4,8 @@
 #include "list_menu.h"
 #include "decoration.h"
 #include "decoration_inventory.h"
+#include "fieldmap.h"
+#include "field_player_avatar.h"
 #include "text.h"
 #include "event_data.h"
 #include "secret_base.h"
@@ -22,6 +24,10 @@ EWRAM_DATA struct SecretBaseListMenuBuffer *gUnknown_0203A020 = NULL;
 
 // Static ROM declarations
 
+// .rodata
+
+// .text
+
 void sub_80E8AF0(struct SecretBaseRecord *sbr)
 {
     u16 i;
@@ -77,6 +83,37 @@ void sub_80E8BC8(void)
     }
 }
 
-// .rodata
+u8 sub_80E8BF8(void)
+{
+    s16 x;
+    s16 y;
+    s16 behavior;
 
-// .text
+    GetXYCoordsOneStepInFrontOfPlayer(&x, &y);
+    behavior = MapGridGetMetatileBehaviorAt(x, y) & 0xFFF;
+    if (behavior == 0x90 || behavior == 0x91)
+    {
+        return 1;
+    }
+    if (behavior == 0x92 || behavior == 0x93)
+    {
+        return 2;
+    }
+    if (behavior == 0x9a || behavior == 0x9b)
+    {
+        return 3;
+    }
+    if (behavior == 0x94 || behavior == 0x95)
+    {
+        return 4;
+    }
+    if (behavior == 0x96 || behavior == 0x97 || behavior == 0x9c || behavior == 0x9d)
+    {
+        return 5;
+    }
+    if (behavior == 0x98 || behavior == 0x99)
+    {
+        return 6;
+    }
+    return 0;
+}