refactor wipHEADmain

1 files changed, 48 insertions, 0 deletions

diff --git a/Stages/Wintermaul/path_manager.gd b/Stages/Wintermaul/path_manager.gd
new file mode 100644
index 0000000..14d1bfc
--- /dev/null
+++ b/Stages/Wintermaul/path_manager.gd
@@ -0,0 +1,48 @@
+class_name PathManager
+extends Node
+
+
+signal path_grid_changed
+
+@export var map: TileMapLayer
+@export var collision_maps: Array[TileMapLayer]
+
+var path_grid: AStarGrid2D
+var last_solid_set_points: Array[Vector2]
+
+
+func _ready() -> void:
+	path_grid = AStarGrid2D.new()
+	path_grid.region = map.get_used_rect()
+	path_grid.cell_size = map.tile_set.tile_size
+	path_grid.offset = map.tile_set.tile_size / 2
+	path_grid.diagonal_mode = AStarGrid2D.DIAGONAL_MODE_AT_LEAST_ONE_WALKABLE
+	path_grid.update()
+	
+	for m in collision_maps:
+		for cell in m.get_used_cells():
+			var tile_data = m.get_cell_tile_data(cell)
+			if tile_data.get_collision_polygons_count(0) > 0:
+				path_grid.set_point_solid(cell, true)
+
+
+func fill_tower_region(tower: Tower, solid = true):
+	var region = tower.get_region().size.snapped(path_grid.cell_size)
+	var tower_position = map.local_to_map(tower.global_position)
+	
+	last_solid_set_points = []
+	if solid:
+		for x in (region / path_grid.cell_size).x + 1:
+			for y in (region / path_grid.cell_size).y + 1:
+				last_solid_set_points.append(
+					map.map_to_local(tower_position + Vector2i(x, y))
+				)
+	
+	path_grid.fill_solid_region(
+		Rect2i(
+			map.local_to_map(tower.global_position),
+			(region / path_grid.cell_size)
+		),
+		solid
+	)
+	path_grid_changed.emit()