1 files changed, 98 insertions, 0 deletions
diff --git a/stage/stage.gd b/stage/stage.gd
index 8d72ee1..2115c0a 100644
--- a/stage/stage.gd
+++ b/stage/stage.gd
@@ -2,6 +2,11 @@ class_name Stage
 extends Node2D
 
 
+var item_pool: Array = []
+var reserved_item_positions: Array = []
+@export var item_pool_max_size := 3
+
+
 func get_world_boundaries() -> Dictionary: #Dictionary[Vector2, float]
 	return {
 		Vector2.LEFT: 0.0,
@@ -13,3 +18,96 @@ func get_world_boundaries() -> Dictionary: #Dictionary[Vector2, float]
 
 func has_win_condition() -> bool:
 	return false
+
+
+func set_mobile_controls():
+	var mobile_controls: MobileControls = get_node("%MobileControls")
+	
+	if OS.has_feature("android"):
+		mobile_controls.enable()
+		
+		var player: Player = get_node("%Player")
+		player.camera.limit_bottom += mobile_controls.size.y
+		get_window().content_scale_size = Vector2i(
+			ProjectSettings.get_setting("display/window/size/viewport_width"),
+			ProjectSettings.get_setting("display/window/size/viewport_height") + mobile_controls.size.y
+		)
+
+
+func _on_tick_timer_timeout() -> void:
+	if randf() > 0.9 and item_pool.size() < item_pool_max_size:
+		var item_scene: PackedScene = [
+			load("res://item/shoe.tscn"),
+			load("res://item/crown.tscn"),
+		].pick_random()
+		
+		var item: Item = item_scene.instantiate()
+		var map: TileMapLayer = get_tree().get_first_node_in_group("tilemap")
+		
+		var size_x := map.get_used_rect().position.x + map.get_used_rect().size.x
+		var size_y := map.get_used_rect().position.y + map.get_used_rect().size.y
+		
+		var start_x: int = max(map.get_used_rect().position.x, range(size_x).pick_random())
+		var start_y: int = max(map.get_used_rect().position.y, range(size_y).pick_random())
+		
+		var get_map_position = func() -> Vector2i:
+			for x in range(start_x, size_x):
+				for y in range(start_y, size_y):
+					var data = map.get_cell_tile_data(Vector2(x, y))
+					if not data:
+						return Vector2i(x, y)
+			return Vector2i.ZERO
+		
+		# find appropriate position
+		var map_position = get_map_position.call()
+		if reserved_item_positions.has(map_position) or map_position == Vector2i.ZERO:
+			$TickTimer.start()
+			return
+		
+		var local_position = map.map_to_local(map_position)
+		
+		var _was_shifted := false
+		var collide_top = map.get_cell_tile_data(map.get_neighbor_cell(map_position, TileSet.CELL_NEIGHBOR_TOP_SIDE))
+		var collide_bottom = map.get_cell_tile_data(map.get_neighbor_cell(map_position, TileSet.CELL_NEIGHBOR_BOTTOM_SIDE))
+		var collide_right = map.get_cell_tile_data(map.get_neighbor_cell(map_position, TileSet.CELL_NEIGHBOR_RIGHT_SIDE))
+		if collide_top:
+			local_position += Vector2(0, map.tile_set.tile_size.y / 2)
+			_was_shifted = true
+		if collide_bottom:
+			local_position += Vector2(0, -map.tile_set.tile_size.y / 2)
+			_was_shifted = true
+		if collide_right:
+			local_position += Vector2(-map.tile_set.tile_size.x, 0)
+			_was_shifted = true
+		if not collide_top and not collide_right:
+			if map.get_cell_tile_data(map.get_neighbor_cell(map_position, TileSet.CELL_NEIGHBOR_TOP_RIGHT_CORNER)):
+				local_position += Vector2(-map.tile_set.tile_size.x, map.tile_set.tile_size.y / 2)
+				_was_shifted = true
+		
+		#if not was_shifted:
+		local_position += Vector2(map.tile_set.tile_size.x / 2, 0)
+		
+		item.position = local_position
+		add_child(item)
+		
+		var get_reserved_positions = func() -> Array[Vector2i]:
+			var rp := [] as Array[Vector2i]
+			for x in range(0, 3):
+				for y in range(0, 3):
+					rp.append(Vector2i(x, y))
+					rp.append(Vector2i(-x, y))
+					rp.append(Vector2i(x, -y))
+					rp.append(Vector2i(-x, -y))
+			return rp
+		
+		item.tree_exiting.connect(func():
+			item_pool.erase(item)
+			for v in get_reserved_positions.call():
+				reserved_item_positions.erase(map_position + v)
+		)
+		item_pool.append(item)
+		for v in get_reserved_positions.call():
+			reserved_item_positions.append(map_position + v)
+	
+	# restart timer
+	$TickTimer.start()