sub_805D774

2 files changed, 66 insertions, 174 deletions

diff --git a/asm/field_map_obj.s b/asm/field_map_obj.s
index d9ac3249a..2c5e54298 100644
--- a/asm/field_map_obj.s
+++ b/asm/field_map_obj.s
@@ -6,179 +6,6 @@
 
 	.text
 
-	thumb_func_start sub_805D774
-sub_805D774: @ 805D774
-	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, _0805D790 @ =gMapObjects
-	adds r0, r2
-	ldr r2, _0805D794 @ =sub_805D798
-	bl meta_step
-	pop {r0}
-	bx r0
-	.align 2, 0
-_0805D790: .4byte gMapObjects
-_0805D794: .4byte sub_805D798
-	thumb_func_end sub_805D774
-
-	thumb_func_start sub_805D798
-sub_805D798: @ 805D798
-	push {r4,lr}
-	ldr r3, _0805D7B4 @ =gUnknown_0837530C
-	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
-	.align 2, 0
-_0805D7B4: .4byte gUnknown_0837530C
-	thumb_func_end sub_805D798
-
-	thumb_func_start sub_805D7B8
-sub_805D7B8: @ 805D7B8
-	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_805D7B8
-
-	thumb_func_start sub_805D7CC
-sub_805D7CC: @ 805D7CC
-	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_805D7CC
-
-	thumb_func_start sub_805D7F8
-sub_805D7F8: @ 805D7F8
-	push {r4-r7,lr}
-	adds r6, r0, 0
-	adds r7, r1, 0
-	bl FieldObjectExecRegularAnim
-	lsls r0, 24
-	cmp r0, 0
-	beq _0805D82E
-	ldr r4, _0805D838 @ =gUnknown_0837521C
-	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 sub_8064820
-	ldrb r1, [r6]
-	movs r0, 0x3
-	negs r0, r0
-	ands r0, r1
-	strb r0, [r6]
-	strh r5, [r7, 0x30]
-_0805D82E:
-	movs r0, 0
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0805D838: .4byte gUnknown_0837521C
-	thumb_func_end sub_805D7F8
-
-	thumb_func_start sub_805D83C
-sub_805D83C: @ 805D83C
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	adds r5, r1, 0
-	adds r0, r5, 0
-	bl sub_8064824
-	lsls r0, 24
-	cmp r0, 0
-	bne _0805D85A
-	adds r0, r4, 0
-	bl FieldObjectIsTrainerAndCloseToPlayer
-	lsls r0, 24
-	cmp r0, 0
-	beq _0805D862
-_0805D85A:
-	movs r0, 0x4
-	strh r0, [r5, 0x30]
-	movs r0, 0x1
-	b _0805D864
-_0805D862:
-	movs r0, 0
-_0805D864:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_805D83C
-
-	thumb_func_start sub_805D86C
-sub_805D86C: @ 805D86C
-	push {r4,r5,lr}
-	sub sp, 0x4
-	adds r4, r0, 0
-	adds r5, r1, 0
-	ldr r1, _0805D8B0 @ =gUnknown_08375320
-	mov r0, sp
-	movs r2, 0x2
-	bl memcpy
-	adds r0, r4, 0
-	movs r1, 0x3
-	bl sub_805CD60
-	lsls r0, 24
-	lsrs r1, r0, 24
-	cmp r1, 0
-	bne _0805D89C
-	bl Random
-	movs r1, 0x1
-	ands r1, r0
-	mov r2, sp
-	adds r0, r2, r1
-	ldrb r1, [r0]
-_0805D89C:
-	adds r0, r4, 0
-	bl FieldObjectSetDirection
-	movs r0, 0x1
-	strh r0, [r5, 0x30]
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_0805D8B0: .4byte gUnknown_08375320
-	thumb_func_end sub_805D86C
-
 	thumb_func_start sub_805D8B4
 sub_805D8B4: @ 805D8B4
 	push {lr}
diff --git a/src/field_map_obj.c b/src/field_map_obj.c
index 951f3724f..83bff1026 100644
--- a/src/field_map_obj.c
+++ b/src/field_map_obj.c
@@ -43,6 +43,7 @@ extern u8 (*const gUnknown_083752C4[])(struct MapObject *mapObject, struct Sprit
 extern u8 (*const gUnknown_083752D0[])(struct MapObject *mapObject, struct Sprite *sprite);
 extern u8 (*const gUnknown_083752E4[])(struct MapObject *mapObject, struct Sprite *sprite);
 extern u8 (*const gUnknown_083752F8[])(struct MapObject *mapObject, struct Sprite *sprite);
+extern u8 (*const gUnknown_0837530C[])(struct MapObject *mapObject, struct Sprite *sprite);
 
 struct PairedPalettes
 {
@@ -1559,6 +1560,7 @@ u8 sub_805C904(struct MapObject *mapObject, struct Sprite *sprite)
 
 extern u8 FieldObjectExecRegularAnim(struct MapObject *, struct Sprite *);
 extern const s16 gUnknown_0837520C[];
+extern const s16 gUnknown_0837521C[];
 extern void sub_8064820(struct Sprite *, s16);
 
 u8 sub_805C930(struct MapObject *mapObject, struct Sprite *sprite)
@@ -1587,6 +1589,7 @@ u8 sub_805C96C(struct MapObject *mapObject, struct Sprite *sprite)
 extern const u8 gUnknown_08375240[4];
 extern const u8 gUnknown_083752A0[2];
 extern const u8 gUnknown_083752C0[2];
+extern const u8 gUnknown_08375320[2];
 extern u8 sub_805FF20(struct MapObject *, u8);
 
 u8 sub_805C98C(struct MapObject *mapObject, struct Sprite *sprite)
@@ -2350,7 +2353,69 @@ u8 sub_805D72C(struct MapObject *mapObject, struct Sprite *sprite)
     return 1;
 }
 
-void sub_805D774(struct Sprite *sprite);
+
+u8 sub_805D798(struct MapObject *mapObject, struct Sprite *sprite);
+
+void sub_805D774(struct Sprite *sprite)
+{
+    meta_step(&gMapObjects[sprite->data0], sprite, sub_805D798);
+}
+
+u8 sub_805D798(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    return gUnknown_0837530C[sprite->data1](mapObject, sprite);
+}
+
+u8 sub_805D7B8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    npc_reset(mapObject, sprite);
+    sprite->data1 = 1;
+    return 1;
+}
+
+u8 sub_805D7CC(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    FieldObjectSetRegularAnim(mapObject, sprite, GetFaceDirectionAnimId(mapObject->mapobj_unk_18));
+    sprite->data1 = 2;
+    return 1;
+}
+
+u8 sub_805D7F8(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite))
+    {
+        sub_8064820(sprite, gUnknown_0837521C[Random() & 3]);
+        mapObject->mapobj_bit_1 = 0;
+        sprite->data1 = 3;
+    }
+    return 0;
+}
+
+u8 sub_805D83C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (sub_8064824(sprite) || FieldObjectIsTrainerAndCloseToPlayer(mapObject))
+    {
+        sprite->data1 = 4;
+        return 1;
+    }
+    return 0;
+}
+
+u8 sub_805D86C(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    u8 direction;
+    u8 directions[2];
+    memcpy(directions, gUnknown_08375320, 2);
+    direction = sub_805CD60(mapObject, 3);
+    if (direction == 0)
+    {
+        direction = directions[Random() & 1];
+    }
+    FieldObjectSetDirection(mapObject, direction);
+    sprite->data1 = 1;
+    return 1;
+}
+
 void sub_805D8B4(struct Sprite *sprite);
 void sub_805D9F4(struct Sprite *sprite);
 void sub_805DB34(struct Sprite *sprite);