StencilCoverQuadBuilder.java 文件源码

private void addQuad(final UnpackedBakedQuad.Builder builder, EnumFacing face, TextureAtlasSprite sprite, Vertex position, Vertex texture) {
    for (int e = 0; e < format.getElementCount(); e++) {
        final VertexFormatElement el = format.getElement(e);
        switch (el.getUsage()) {
            case POSITION:
                builder.put(e, position.x, position.y, position.z);
                break;
            case NORMAL:
                builder.put(e, face.getFrontOffsetX(), face.getFrontOffsetY(), face.getFrontOffsetZ());
                break;
            case COLOR:
                builder.put(e, 1, 1, 1, 1);
                break;
            case UV:
                if (el.getIndex() == 0) {
                    builder.put(e, sprite.getInterpolatedU(16 * texture.u), sprite.getInterpolatedV(16 * texture.v));
                } else {
                    builder.put(e, 0, 0);
                }
                break;
            default:
                builder.put(e);
        }
    }
}