Initial commit.

demo/main.gd

@@ -0,0 +1,74 @@
+extends Node2D
+
+
+const CELL_SIZE: int = 32
+
+@onready var map: TileMap = $TileMap
+@onready var marker_from: Node2D = $MarkerFrom
+@onready var marker_to: Node2D = $MarkerTo
+@onready var path_line: Line2D = $PathLine
+@onready var check_box: CheckBox = $CheckBox
+
+var astar: MultilevelAStar
+var used_rect: Rect2i
+
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	# mapa začne na -1, -1. tukaj premaknem da se vidi vse na mapi
+	# (saj verjetno obstaja boljši način ma ga ne poznam - mogoče kakšna kamera)
+	position = Vector2i.ONE * CELL_SIZE
+	
+	used_rect = map.get_used_rect()
+	print(used_rect)
+	
+	astar = MultilevelAStar.new(map)
+	
+	mark_units()
+	
+	marker_from.modulate = Color.html("#ff0000ff")
+	marker_to.modulate = Color.html("#00ff00ff")
+	
+	marker_from.position = Vector2i(-1, -1) * CELL_SIZE
+	marker_to.position = (used_rect.position + used_rect.size - Vector2i.ONE) * CELL_SIZE
+	
+	find_path()
+
+
+func mark_units() -> void:
+	for unit in $Units.get_tree().get_nodes_in_group("unit"):
+		astar.set_unit(unit.position / CELL_SIZE)
+
+
+func _unhandled_input(event: InputEvent) -> void:
+	if event is InputEventMouseButton:
+		if event.pressed:
+			var cell := map.local_to_map(map.get_local_mouse_position())
+			if map.get_used_rect().has_point(cell):
+				if event.button_index == 1:
+					marker_to.position = Vector2(cell.x * CELL_SIZE, cell.y * CELL_SIZE)
+					find_path();
+				elif event.button_index == 2:
+					marker_from.position = Vector2(cell.x * CELL_SIZE, cell.y * CELL_SIZE)
+					find_path();
+
+
+func find_path() -> void:
+	path_line.clear_points()
+	
+	var from: Vector2i = Vector2i(marker_from.position / CELL_SIZE)
+	var to: Vector2i = Vector2i(marker_to.position / CELL_SIZE)
+	
+	var arr = astar.find_path(from, to, check_box.button_pressed) # vrne Variant: null ali Array
+	#print(arr)
+	
+	if arr.size() > 0:
+		# add new path
+		path_line.add_point(from * CELL_SIZE + Vector2i(16, 16))
+		for vec in arr:
+			#print("%s, %s" % [vec.x, vec.y])
+			path_line.add_point(vec * CELL_SIZE + Vector2i(16, 16))
+
+
+func _on_check_box_pressed() -> void:
+	find_path()