RandomlyLookNorthOrWest

asm/field_map_obj.s

@@ -5,174 +5,6 @@
 
 	.text
 
-	thumb_func_start FieldObjectCB_RandomlyLookNorthOrWest
-FieldObjectCB_RandomlyLookNorthOrWest: @ 80902D0
-	push {lr}
-	adds r1, r0, 0
-	movs r0, 0x2E
-	ldrsh r2, [r1, r0]
-	lsls r0, r2, 3
-	adds r0, r2
-	lsls r0, 2
-	ldr r2, =gMapObjects
-	adds r0, r2
-	ldr r2, =FieldObjectCB2_RandomlyLookNorthOrWest
-	bl FieldObjectStep
-	pop {r0}
-	bx r0
-	.pool
-	thumb_func_end FieldObjectCB_RandomlyLookNorthOrWest
-
-	thumb_func_start FieldObjectCB2_RandomlyLookNorthOrWest
-FieldObjectCB2_RandomlyLookNorthOrWest: @ 80902F4
-	push {r4,lr}
-	ldr r3, =gUnknown_0850D7DC
-	movs r4, 0x30
-	ldrsh r2, [r1, r4]
-	lsls r2, 2
-	adds r2, r3
-	ldr r2, [r2]
-	bl _call_via_r2
-	lsls r0, 24
-	lsrs r0, 24
-	pop {r4}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end FieldObjectCB2_RandomlyLookNorthOrWest
-
-	thumb_func_start sub_8090314
-sub_8090314: @ 8090314
-	push {r4,lr}
-	adds r4, r1, 0
-	bl npc_reset
-	movs r0, 0x1
-	strh r0, [r4, 0x30]
-	pop {r4}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8090314
-
-	thumb_func_start sub_8090328
-sub_8090328: @ 8090328
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	adds r5, r1, 0
-	ldrb r0, [r4, 0x18]
-	lsls r0, 28
-	lsrs r0, 28
-	bl GetFaceDirectionAnimId
-	adds r2, r0, 0
-	lsls r2, 24
-	lsrs r2, 24
-	adds r0, r4, 0
-	adds r1, r5, 0
-	bl FieldObjectSetRegularAnim
-	movs r0, 0x2
-	strh r0, [r5, 0x30]
-	movs r0, 0x1
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8090328
-
-	thumb_func_start sub_8090354
-sub_8090354: @ 8090354
-	push {r4-r7,lr}
-	adds r6, r0, 0
-	adds r7, r1, 0
-	bl FieldObjectExecRegularAnim
-	lsls r0, 24
-	cmp r0, 0
-	beq _0809038A
-	ldr r4, =gUnknown_0850D6EC
-	bl Random
-	movs r5, 0x3
-	adds r1, r5, 0
-	ands r1, r0
-	lsls r1, 1
-	adds r1, r4
-	movs r0, 0
-	ldrsh r1, [r1, r0]
-	adds r0, r7, 0
-	bl SetFieldObjectStepTimer
-	ldrb r1, [r6]
-	movs r0, 0x3
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r6]
-	strh r5, [r7, 0x30]
-_0809038A:
-	movs r0, 0
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_8090354
-
-	thumb_func_start sub_8090398
-sub_8090398: @ 8090398
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	adds r5, r1, 0
-	adds r0, r5, 0
-	bl RunFieldObjectStepTimer
-	lsls r0, 24
-	cmp r0, 0
-	bne _080903B6
-	adds r0, r4, 0
-	bl FieldObjectIsTrainerAndCloseToPlayer
-	lsls r0, 24
-	cmp r0, 0
-	beq _080903BE
-_080903B6:
-	movs r0, 0x4
-	strh r0, [r5, 0x30]
-	movs r0, 0x1
-	b _080903C0
-_080903BE:
-	movs r0, 0
-_080903C0:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_8090398
-
-	thumb_func_start sub_80903C8
-sub_80903C8: @ 80903C8
-	push {r4,r5,lr}
-	sub sp, 0x4
-	adds r4, r0, 0
-	adds r5, r1, 0
-	ldr r1, =gUnknown_0850D7F0
-	mov r0, sp
-	movs r2, 0x2
-	bl memcpy
-	adds r0, r4, 0
-	movs r1, 0x3
-	bl GetRunningPastFacingDirection
-	lsls r0, 24
-	lsrs r1, r0, 24
-	cmp r1, 0
-	bne _080903F8
-	bl Random
-	movs r1, 0x1
-	ands r1, r0
-	mov r2, sp
-	adds r0, r2, r1
-	ldrb r1, [r0]
-_080903F8:
-	adds r0, r4, 0
-	bl FieldObjectSetDirection
-	movs r0, 0x1
-	strh r0, [r5, 0x30]
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_80903C8
-
 	thumb_func_start FieldObjectCB_RandomlyLookNorthOrEast
 FieldObjectCB_RandomlyLookNorthOrEast: @ 8090410
 	push {lr}

include/data3.h

@@ -18,8 +18,10 @@ extern const struct PairedPalettes gUnknown_0850BD00[15];
 extern const struct PairedPalettes gUnknown_0850BD78[15];
 extern const u16 *const gUnknown_0850BE38[2];
 extern const s16 gUnknown_0850D6DC[4]; // {0x20, 0x40, 0x60, 0x80}
+extern const s16 gUnknown_0850D6EC[4];
 extern const u8 gUnknown_0850D710[4]; // {DIR_SOUTH, DIR_NORTH, DIR_WEST, DIR_EAST}
 extern const u8 gUnknown_0850D770[2]; // {DIR_SOUTH, DIR_NORTH}
 extern const u8 gUnknown_0850D790[2]; // {DIR_WEST, DIR_EAST}
+extern const u8 gUnknown_0850D7F0[2]; // {DIR_NORTH, DIR_WEST}
 
 #endif //POKEEMERALD_DATA3_H

src/field_map_obj.c

@@ -2486,3 +2486,56 @@ bool8 sub_8090288 (struct MapObject *mapObject, struct Sprite *sprite)
     sprite->data1 = 1;
     return TRUE;
 }
+
+field_object_step(RandomlyLookNorthOrWest, gUnknown_0850D7DC)
+
+bool8 sub_8090314 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 sub_8090328 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return TRUE;
+}
+
+bool8 sub_8090354 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        SetFieldObjectStepTimer(sprite, gUnknown_0850D6EC[Random() & 0x03]);
+        mapObject->mapobj_bit_1 = FALSE;
+        sprite->data1 = 3;
+    }
+    return FALSE;
+}
+
+bool8 sub_8090398 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (RunFieldObjectStepTimer(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 4;
+        return TRUE;
+    }
+    return FALSE;
+}
+
+bool8 sub_80903C8 (struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 directions[2];
+    u8 direction;
+
+    memcpy(directions, gUnknown_0850D7F0, sizeof gUnknown_0850D7F0);
+    direction = GetRunningPastFacingDirection(mapObject, 3);
+    if (direction == 0)
+    {
+        direction = directions[Random() & 0x01];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 1;
+    return TRUE;
+}