VertexDataUtils.java 文件源码

public static List<BakedQuad> shadeQuadFaces(List<BakedQuad> quads) {
    LinkedList<BakedQuad> shadedQuads = new LinkedList<>();
    for (BakedQuad quad : quads) {
        int[] rawData = quad.getVertexData();
        for (int v = 0; v < 4; v++) {
            for (int e = 0; e < quad.getFormat().getElementCount(); e++) {
                VertexFormatElement element = quad.getFormat().getElement(e);
                if (element.getUsage() == EnumUsage.COLOR) {
                    float[] data = new float[4];
                    LightUtil.unpack(rawData, data, quad.getFormat(), v, e);

                    data = diffuseFaceLight(quad.getFace(), data);

                    LightUtil.pack(data, rawData, quad.getFormat(), v, e);
                }
            }
        }
        shadedQuads.add(new BakedQuad(rawData, quad.getTintIndex(), quad.getFace(), quad.getSprite(), quad.shouldApplyDiffuseLighting(), quad.getFormat()));
    }

    return shadedQuads;
}