diff options
Diffstat (limited to 'scripts/path_generator.gd')
| -rw-r--r-- | scripts/path_generator.gd | 67 |
1 files changed, 61 insertions, 6 deletions
diff --git a/scripts/path_generator.gd b/scripts/path_generator.gd index cf48175..30ffd3c 100644 --- a/scripts/path_generator.gd +++ b/scripts/path_generator.gd @@ -3,24 +3,79 @@ extends Object class_name PathGenerator var map_config : MapGeneratorResource = preload("res://resources/map_generator_resource.tres") +var _tile_map : TileMapLayer +var _path : Array[Vector2i] + +enum TileTransform { + ROTATE_0 = 0, + ROTATE_90 = TileSetAtlasSource.TRANSFORM_TRANSPOSE | TileSetAtlasSource.TRANSFORM_FLIP_H, + ROTATE_180 = TileSetAtlasSource.TRANSFORM_FLIP_H | TileSetAtlasSource.TRANSFORM_FLIP_V, + ROTATE_270 = TileSetAtlasSource.TRANSFORM_TRANSPOSE | TileSetAtlasSource.TRANSFORM_FLIP_V, +} + +func _init(tile_map_layer: TileMapLayer): + _tile_map = tile_map_layer func generate_path() -> Array[Vector2i]: - var path : Array[Vector2i] + _path.clear() var x : int = 0 var y : int = randi_range(1, map_config.grid_height - 3) while x < map_config.grid_width: - if not path.has(Vector2i(x,y)): - path.append(Vector2i(x, y)) + if not _path.has(Vector2i(x,y)): + _path.append(Vector2i(x, y)) var choice : int = randi_range(0,2) # every even tile goes right to leave room for towers if choice == 0 || x % 2 == 0 || x == map_config.grid_width - 1: x += 1 - elif choice == 1 && y < map_config.grid_height - 3 && !path.has(Vector2i(x, y + 1)): + elif choice == 1 && y < map_config.grid_height - 3 && !_path.has(Vector2i(x, y + 1)): y += 1 - elif choice == 2 && y > 1 && !path.has(Vector2i(x, y - 1)): + elif choice == 2 && y > 1 && !_path.has(Vector2i(x, y - 1)): y -= 1 - return path + + return _path + +func draw_path(): + for i in _path: + var score : int = _get_tile_score(_path, i) + + var atlas_coords : Vector2i = map_config.path_empty_atlas_coords + var rot : TileTransform = TileTransform.ROTATE_0 + + match score: + 2, 8, 10: + atlas_coords = map_config.path_straight_atlas_coords + rot = TileTransform.ROTATE_90 + 1, 4, 5: + atlas_coords = map_config.path_straight_atlas_coords + 3: + atlas_coords = map_config.path_corner_atlas_coords + rot = TileTransform.ROTATE_270 + 6: + atlas_coords = map_config.path_corner_atlas_coords + 12: + atlas_coords = map_config.path_corner_atlas_coords + rot = TileTransform.ROTATE_90 + 9: + atlas_coords = map_config.path_corner_atlas_coords + rot = TileTransform.ROTATE_180 + + _display_tile(atlas_coords, rot, i) + +func _display_tile(coords : Vector2i, rot : TileTransform, pos : Vector2i): + _tile_map.set_cell(pos, 0, coords, rot) + +func _get_tile_score(path : Array[Vector2i], tile : Vector2i) -> int: + var score : int = 0 + var x : int = tile.x + var y : int = tile.y + + score += 1 if path.has(Vector2i(x, y - 1)) else 0 + score += 2 if path.has(Vector2i(x + 1, y)) else 0 + score += 4 if path.has(Vector2i(x, y + 1)) else 0 + score += 8 if path.has(Vector2i(x - 1, y)) else 0 + + return score |