From 3e9e4b13ec977cc4f5dd696d2dc8d362f58317dc Mon Sep 17 00:00:00 2001
From: PikalaxALT <pikalaxalt@gmail.com>
Date: Fri, 15 Sep 2017 21:39:24 -0400
Subject: [PATCH] MoveFieldObjectInNextDirectionInSequence

---
 asm/field_map_obj.s | 102 --------------------------------------------
 src/field_map_obj.c |  36 ++++++++++++++++
 2 files changed, 36 insertions(+), 102 deletions(-)

diff --git a/asm/field_map_obj.s b/asm/field_map_obj.s
index f9992ae3b..fc8efe4c8 100755
--- a/asm/field_map_obj.s
+++ b/asm/field_map_obj.s
@@ -5,108 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8091048
-@ bool8 sub_8091048(struct npc_state *fieldObject, struct obj *object)
-sub_8091048: @ 8091048
-	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_8091048
-
-	thumb_func_start MoveFieldObjectInNextDirectionInSequence
-@ bool8 MoveFieldObjectInNextDirectionInSequence(struct npc_state *fieldObject, struct obj *object, u8 *directions)
-MoveFieldObjectInNextDirectionInSequence: @ 809105C
-	push {r4-r7,lr}
-	mov r7, r8
-	push {r7}
-	adds r4, r0, 0
-	mov r8, r1
-	adds r7, r2, 0
-	adds r2, r4, 0
-	adds r2, 0x21
-	ldrb r0, [r2]
-	cmp r0, 0x3
-	bne _0809107E
-	ldr r1, [r4, 0xC]
-	ldr r0, [r4, 0x10]
-	cmp r1, r0
-	bne _0809107E
-	movs r0, 0
-	strb r0, [r2]
-_0809107E:
-	adds r5, r4, 0
-	adds r5, 0x21
-	ldrb r0, [r5]
-	adds r0, r7, r0
-	ldrb r1, [r0]
-	adds r0, r4, 0
-	bl FieldObjectSetDirection
-	ldrb r0, [r4, 0x18]
-	lsrs r0, 4
-	bl GetGoSpeed0AnimId
-	lsls r0, 24
-	lsrs r6, r0, 24
-	ldrb r1, [r4, 0x18]
-	lsrs r1, 4
-	adds r0, r4, 0
-	bl npc_block_way__next_tile
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080910D8
-	ldrb r0, [r5]
-	adds r0, 0x1
-	strb r0, [r5]
-	ldrb r0, [r5]
-	adds r0, r7, r0
-	ldrb r1, [r0]
-	adds r0, r4, 0
-	bl FieldObjectSetDirection
-	ldrb r0, [r4, 0x18]
-	lsrs r0, 4
-	bl GetGoSpeed0AnimId
-	lsls r0, 24
-	lsrs r6, r0, 24
-	ldrb r1, [r4, 0x18]
-	lsrs r1, 4
-	adds r0, r4, 0
-	bl npc_block_way__next_tile
-	lsls r0, 24
-	lsrs r0, 24
-_080910D8:
-	cmp r0, 0
-	beq _080910EA
-	ldrb r0, [r4, 0x18]
-	lsls r0, 28
-	lsrs r0, 28
-	bl GetStepInPlaceDelay16AnimId
-	lsls r0, 24
-	lsrs r6, r0, 24
-_080910EA:
-	adds r0, r4, 0
-	mov r1, r8
-	adds r2, r6, 0
-	bl FieldObjectSetRegularAnim
-	ldrb r0, [r4]
-	movs r1, 0x2
-	orrs r0, r1
-	strb r0, [r4]
-	movs r0, 0x2
-	mov r1, r8
-	strh r0, [r1, 0x30]
-	movs r0, 0x1
-	pop {r3}
-	mov r8, r3
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end MoveFieldObjectInNextDirectionInSequence
-
 	thumb_func_start sub_8091110
 @ bool8 sub_8091110(struct npc_state *fieldObject, struct obj *object)
 sub_8091110: @ 8091110
diff --git a/src/field_map_obj.c b/src/field_map_obj.c
index 91856d1ee..cfe04f395 100755
--- a/src/field_map_obj.c
+++ b/src/field_map_obj.c
@@ -3062,3 +3062,39 @@ bool8 sub_8091020 (struct MapObject *mapObject, struct Sprite *sprite)
     }
     return FALSE;
 }
+
+bool8 sub_8091048(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return TRUE;
+}
+
+bool8 MoveFieldObjectInNextDirectionInSequence(struct MapObject *mapObject, struct Sprite *sprite, u8 *route)
+{
+    u8 blockingWay;
+    u8 animId;
+
+    if (mapObject->mapobj_unk_21 == 3 && mapObject->coords1.x == mapObject->coords2.x && mapObject->coords1.y == mapObject->coords2.y)
+    {
+        mapObject->mapobj_unk_21 = 0;
+    }
+    FieldObjectSetDirection(mapObject, route[mapObject->mapobj_unk_21]);
+    animId = GetGoSpeed0AnimId(mapObject->placeholder18);
+    blockingWay = npc_block_way__next_tile(mapObject, mapObject->placeholder18);
+    if (blockingWay == TRUE)
+    {
+        mapObject->mapobj_unk_21 ++;
+        FieldObjectSetDirection(mapObject, route[mapObject->mapobj_unk_21]);
+        animId = GetGoSpeed0AnimId(mapObject->placeholder18);
+        blockingWay = npc_block_way__next_tile(mapObject, mapObject->placeholder18);
+    }
+    if (blockingWay)
+    {
+        animId = GetStepInPlaceDelay16AnimId(mapObject->mapobj_unk_18);
+    }
+    FieldObjectSetRegularAnim(mapObject, sprite, animId);
+    mapObject->mapobj_bit_1 = TRUE;
+    sprite->data1 = 2;
+    return TRUE;
+}