Added player character and initial interaction functionality

scripts/autoloads/grid.gd

@@ -0,0 +1,35 @@
+extends Node
+
+const GRID_SIZE := 64
+var world_grid: TileMap
+var world_data: Dictionary = {}
+
+func init(grid: TileMap) -> void:
+	world_grid = grid
+
+func world_to_grid(world_loc: Vector2) -> Vector2i:
+	return Vector2i(floor(world_loc.x / GRID_SIZE), floor(world_loc.y / GRID_SIZE))
+
+func set_selected_tile(tile: Vector2i) -> void:
+	world_grid.clear_layer(Constants.TilemapLayers.CURSOR)
+	world_grid.set_cell(Constants.TilemapLayers.CURSOR, tile,0,Vector2i(0,7))
+
+func corrupt_location(loc: Vector2i) -> bool:
+	return world_data[loc].change_layer(Constants.TilemapLayers.CORRUPTION, true)
+
+func get_corrupted_cells() -> Array[Vector2i]:
+	return world_data.values().filter(func(cell: CellData): return cell.is_corrupted()).map(func(cell: CellData) -> Vector2i: return cell._pos)
+
+func change_location_data(pos: Vector2i, layer: int, data: Vector2i) -> void:
+	if not world_data.has(pos):
+		world_data[pos] = CellData.new(pos)
+	world_data[pos].change_layer(layer, data)
+	world_grid.set_cell(layer, pos, 0, data)
+
+func get_location_data(pos: Vector2i) -> CellData:
+	if world_data.has(pos):
+		return world_data[pos]
+	return null
+	
+func change_location_resource(pos: Vector2i, data: GameResource) -> void:
+	world_data[pos].change_resource(data)