Add cursor scene, ability to place Warlock tower anywhere

1 files changed, 39 insertions, 0 deletions

diff --git a/scenes/UI/cursor.gd b/scenes/UI/cursor.gd
new file mode 100644
index 0000000..158a2a4
--- /dev/null
+++ b/scenes/UI/cursor.gd
@@ -0,0 +1,39 @@
+extends Node2D
+
+var tile_size = 16.0
+var max_x = 20 * tile_size
+var max_y = 15 * tile_size
+
+var dirs = {"move_right": Vector2.RIGHT,
+			"move_left": Vector2.LEFT,
+			"move_up": Vector2.UP,
+			"move_down": Vector2.DOWN}
+var towers : Dictionary
+
+func _ready():
+	towers["place_warlock"] = preload("res://scenes/defenders/warlock.tscn")
+	position = position.snapped(Vector2.ONE * tile_size)
+	position += Vector2.ONE * tile_size/2
+
+func _unhandled_input(event):
+	for dir in dirs.keys():
+		if event.is_action_pressed(dir):
+			handle_move(dirs[dir])
+			return
+	for tower in towers.keys():
+		if event.is_action_pressed(tower):
+			handle_tower(towers[tower])
+			return
+
+func handle_tower(tower):
+	var tmp = tower.instantiate()
+	var path = get_tree().get_root().get_node("Main/Defenders")
+	path.add_child(tmp)
+	tmp.global_position = position
+
+func handle_move(dir):
+	position += dir * tile_size
+	position.x = max(position.x, tile_size / 2)
+	position.y = max(position.y, tile_size / 2)
+	position.x = min(position.x, max_x - (tile_size / 2))
+	position.y = min(position.y, max_y - (tile_size / 2))