mostly working, need netcode, en passant, and castling

King.gd

@@ -0,0 +1,18 @@
+extends "res://Piece.gd"
+
+func setup():
+	kind = KIND.KING
+	var sprite2d = get_node("Sprite2D")
+	if team == TEAM.WHITE:
+		sprite2d.region_rect = Rect2(5, 5, 35, 36)
+	elif team == TEAM.BLACK:
+		sprite2d.region_rect = Rect2(5, 50, 35, 36)
+	
+func check_move(destination: Vector2i) -> bool:
+	var board_state = get_board_state()
+	if board_state.has(destination):
+		if board_state[destination].team == team:
+			return false
+	# TODO castling
+	
+	return abs(destination.x - grid_pos.x) + abs(destination.y - grid_pos.y) == 1