field_map_obj.c up to and including FieldObjectIsTrainerAndCloseToPlayer

asm/field_map_obj.s

@@ -6,96 +6,6 @@
 
 	.text
 
-	thumb_func_start sub_805CA08
-sub_805CA08: @ 805CA08
-	push {r4,r5,lr}
-	adds r4, r0, 0
-	adds r5, r1, 0
-	bl FieldObjectExecRegularAnim
-	lsls r0, 24
-	cmp r0, 0
-	beq _0805CA26
-	ldrb r0, [r4]
-	movs r1, 0x3
-	negs r1, r1
-	ands r1, r0
-	strb r1, [r4]
-	movs r0, 0x1
-	strh r0, [r5, 0x30]
-_0805CA26:
-	movs r0, 0
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_805CA08
-
-	thumb_func_start FieldObjectIsTrainerAndCloseToPlayer
-FieldObjectIsTrainerAndCloseToPlayer: @ 805CA30
-	push {r4-r7,lr}
-	sub sp, 0x4
-	adds r5, r0, 0
-	movs r0, 0x80
-	bl TestPlayerAvatarFlags
-	lsls r0, 24
-	cmp r0, 0
-	beq _0805CA9C
-	ldrb r0, [r5, 0x7]
-	cmp r0, 0x1
-	beq _0805CA4C
-	cmp r0, 0x3
-	bne _0805CA9C
-_0805CA4C:
-	mov r7, sp
-	adds r7, 0x2
-	mov r0, sp
-	adds r1, r7, 0
-	bl PlayerGetDestCoords
-	ldrh r2, [r5, 0x10]
-	ldrh r4, [r5, 0x12]
-	ldrb r1, [r5, 0x1D]
-	subs r3, r2, r1
-	subs r0, r4, r1
-	lsls r0, 16
-	lsrs r5, r0, 16
-	adds r2, r1, r2
-	lsls r2, 16
-	lsrs r2, 16
-	adds r1, r4
-	lsls r1, 16
-	lsrs r6, r1, 16
-	mov r0, sp
-	lsls r3, 16
-	asrs r3, 16
-	movs r1, 0
-	ldrsh r4, [r0, r1]
-	cmp r3, r4
-	bgt _0805CA9C
-	lsls r0, r2, 16
-	asrs r0, 16
-	cmp r0, r4
-	blt _0805CA9C
-	lsls r0, r5, 16
-	asrs r0, 16
-	movs r2, 0
-	ldrsh r1, [r7, r2]
-	cmp r0, r1
-	bgt _0805CA9C
-	lsls r0, r6, 16
-	asrs r0, 16
-	cmp r0, r1
-	bge _0805CAA0
-_0805CA9C:
-	movs r0, 0
-	b _0805CAA2
-_0805CAA0:
-	movs r0, 0x1
-_0805CAA2:
-	add sp, 0x4
-	pop {r4-r7}
-	pop {r1}
-	bx r1
-	thumb_func_end FieldObjectIsTrainerAndCloseToPlayer
-
 	thumb_func_start sub_805CAAC
 sub_805CAAC: @ 805CAAC
 	push {r4,lr}

src/field_map_obj.c

@@ -1601,3 +1601,44 @@ u8 sub_805C9D8(struct MapObject *mapObject, struct Sprite *sprite)
     return 1;
 }
 
+u8 sub_805CA08(struct MapObject *mapObject, struct Sprite *sprite)
+{
+    if (FieldObjectExecRegularAnim(mapObject, sprite) != 0)
+    {
+        mapObject->mapobj_bit_1 = 0;
+        sprite->data1 = 1;
+    }
+    return 0;
+}
+
+u8 FieldObjectIsTrainerAndCloseToPlayer(struct MapObject *mapObject)
+{
+    s16 x;
+    s16 y;
+    s16 objx;
+    s16 objy;
+    s16 minx;
+    s16 maxx;
+    s16 miny;
+    s16 maxy;
+    if (TestPlayerAvatarFlags(PLAYER_AVATAR_FLAG_DASH) == 0)
+    {
+        return 0;
+    }
+    if (mapObject->trainerType != 1 && mapObject->trainerType != 3)
+    {
+        return 0;
+    }
+    PlayerGetDestCoords(&x, &y);
+    objx = mapObject->coords2.x;
+    objy = mapObject->coords2.y;
+    minx = objx - mapObject->trainerRange_berryTreeId;
+    miny = objy - mapObject->trainerRange_berryTreeId;
+    maxx = objx + mapObject->trainerRange_berryTreeId;
+    maxy = objy + mapObject->trainerRange_berryTreeId;
+    if (minx > x || maxx < x || miny > y || maxy < y)
+    {
+        return 0;
+    }
+    return 1;
+}