Method close

src/main/java/field/graphics/MeshBuilder.java:215–223

closes a MeshBuilder. There should be a close() for every open() and it's an error to let the graphics system get hold of a MeshBuilder that isn't closed properly. Alas, this is a hard error to catch since the missing close() by definition doesn't have a known stacktrace. Closing something that isn'

()

        openCount--;
        if (openCount == 0) {
            doClose();
        }
        if (openCount < 0) {
            throw new IllegalArgumentException("more closes than opens?");
        }
    }

    private void doClose() {
        target.setVertexLimit(vertexCursor);
        target.setElementLimit(elementCursor);
    }