Class ConnectedTextures

src/main/java/net/optifine/ConnectedTextures.java:45–2476

import net.optifine.util.TileEntityUtils;

public class ConnectedTextures
{
    private static Map[] spriteQuadMaps = null;
    private static Map[] spriteQuadFullMaps = null;
    private static Map[][] spriteQuadCompactMaps = (Map[][])null;
    private static ConnectedProperties[][] blockProperties = (ConnectedProperties[][])null;
    private static ConnectedProperties[][] tileProperties = (ConnectedProperties[][])null;
    private static boolean multipass = false;
    protected static final int UNKNOWN = -1;
    protected static final int Y_NEG_DOWN = 0;
    protected static final int Y_POS_UP = 1;
    protected static final int Z_NEG_NORTH = 2;
    protected static final int Z_POS_SOUTH = 3;
    protected static final int X_NEG_WEST = 4;
    protected static final int X_POS_EAST = 5;
    private static final int Y_AXIS = 0;
    private static final int Z_AXIS = 1;
    private static final int X_AXIS = 2;
    public static final IBlockState AIR_DEFAULT_STATE = Blocks.air.getDefaultState();
    private static TextureAtlasSprite emptySprite = null;
    private static final BlockDir[] SIDES_Y_NEG_DOWN = new BlockDir[] {BlockDir.WEST, BlockDir.EAST, BlockDir.NORTH, BlockDir.SOUTH};
    private static final BlockDir[] SIDES_Y_POS_UP = new BlockDir[] {BlockDir.WEST, BlockDir.EAST, BlockDir.SOUTH, BlockDir.NORTH};
    private static final BlockDir[] SIDES_Z_NEG_NORTH = new BlockDir[] {BlockDir.EAST, BlockDir.WEST, BlockDir.DOWN, BlockDir.UP};
    private static final BlockDir[] SIDES_Z_POS_SOUTH = new BlockDir[] {BlockDir.WEST, BlockDir.EAST, BlockDir.DOWN, BlockDir.UP};
    private static final BlockDir[] SIDES_X_NEG_WEST = new BlockDir[] {BlockDir.NORTH, BlockDir.SOUTH, BlockDir.DOWN, BlockDir.UP};
    private static final BlockDir[] SIDES_X_POS_EAST = new BlockDir[] {BlockDir.SOUTH, BlockDir.NORTH, BlockDir.DOWN, BlockDir.UP};
    private static final BlockDir[] SIDES_Z_NEG_NORTH_Z_AXIS = new BlockDir[] {BlockDir.WEST, BlockDir.EAST, BlockDir.UP, BlockDir.DOWN};
    private static final BlockDir[] SIDES_X_POS_EAST_X_AXIS = new BlockDir[] {BlockDir.NORTH, BlockDir.SOUTH, BlockDir.UP, BlockDir.DOWN};
    private static final BlockDir[] EDGES_Y_NEG_DOWN = new BlockDir[] {BlockDir.NORTH_EAST, BlockDir.NORTH_WEST, BlockDir.SOUTH_EAST, BlockDir.SOUTH_WEST};
    private static final BlockDir[] EDGES_Y_POS_UP = new BlockDir[] {BlockDir.SOUTH_EAST, BlockDir.SOUTH_WEST, BlockDir.NORTH_EAST, BlockDir.NORTH_WEST};
    private static final BlockDir[] EDGES_Z_NEG_NORTH = new BlockDir[] {BlockDir.DOWN_WEST, BlockDir.DOWN_EAST, BlockDir.UP_WEST, BlockDir.UP_EAST};
    private static final BlockDir[] EDGES_Z_POS_SOUTH = new BlockDir[] {BlockDir.DOWN_EAST, BlockDir.DOWN_WEST, BlockDir.UP_EAST, BlockDir.UP_WEST};
    private static final BlockDir[] EDGES_X_NEG_WEST = new BlockDir[] {BlockDir.DOWN_SOUTH, BlockDir.DOWN_NORTH, BlockDir.UP_SOUTH, BlockDir.UP_NORTH};
    private static final BlockDir[] EDGES_X_POS_EAST = new BlockDir[] {BlockDir.DOWN_NORTH, BlockDir.DOWN_SOUTH, BlockDir.UP_NORTH, BlockDir.UP_SOUTH};
    private static final BlockDir[] EDGES_Z_NEG_NORTH_Z_AXIS = new BlockDir[] {BlockDir.UP_EAST, BlockDir.UP_WEST, BlockDir.DOWN_EAST, BlockDir.DOWN_WEST};
    private static final BlockDir[] EDGES_X_POS_EAST_X_AXIS = new BlockDir[] {BlockDir.UP_SOUTH, BlockDir.UP_NORTH, BlockDir.DOWN_SOUTH, BlockDir.DOWN_NORTH};
    public static final TextureAtlasSprite SPRITE_DEFAULT = new TextureAtlasSprite("<default>");

    public static BakedQuad[] getConnectedTexture(IBlockAccess blockAccess, IBlockState blockState, BlockPos blockPos, BakedQuad quad, RenderEnv renderEnv)
    {
        TextureAtlasSprite textureatlassprite = quad.getSprite();

        if (textureatlassprite == null)
        {
            return renderEnv.getArrayQuadsCtm(quad);
        }
        else
        {
            Block block = blockState.getBlock();

            if (skipConnectedTexture(blockAccess, blockState, blockPos, quad, renderEnv))
            {
                quad = getQuad(emptySprite, quad);
                return renderEnv.getArrayQuadsCtm(quad);
            }
            else
            {
                EnumFacing enumfacing = quad.getFace();