org.bukkit.craftbukkit.block.CraftSign Maven / Gradle / Ivy

Go to download
package org.bukkit.craftbukkit.block;

import net.minecraft.server.ChatComponentText;
import net.minecraft.server.IChatBaseComponent;
import net.minecraft.server.TileEntitySign;
import org.bukkit.Material;
import org.bukkit.block.Block;
import org.bukkit.block.Sign;
import org.bukkit.craftbukkit.CraftWorld;
import org.bukkit.craftbukkit.util.CraftChatMessage;

public class CraftSign extends CraftBlockState implements Sign {
  private final TileEntitySign sign;
  private final String[] lines;

  public CraftSign(final Block block) {
    super(block);

    CraftWorld world = (CraftWorld) block.getWorld();
    sign = (TileEntitySign) world.getTileEntityAt(getX(), getY(), getZ());
    // Spigot start
    if (sign == null) {
      lines = new String[]{"", "", "", ""};
      return;
    }
    // Spigot end
    lines = new String[sign.lines.length];
    System.arraycopy(revertComponents(sign.lines), 0, lines, 0, lines.length);
  }

  public CraftSign(final Material material, final TileEntitySign te) {
    super(material);
    sign = te;
    lines = new String[sign.lines.length];
    System.arraycopy(revertComponents(sign.lines), 0, lines, 0, lines.length);
  }

  public static IChatBaseComponent[] sanitizeLines(String[] lines) {
    IChatBaseComponent[] components = new IChatBaseComponent[4];

    for (int i = 0; i < 4; i++) {
      if (i < lines.length && lines[i] != null) {
        components[i] = CraftChatMessage.fromString(lines[i])[0];
      } else {
        components[i] = new ChatComponentText("");
      }
    }

    return components;
  }

  public static String[] revertComponents(IChatBaseComponent[] components) {
    String[] lines = new String[components.length];
    for (int i = 0; i < lines.length; i++) {
      lines[i] = revertComponent(components[i]);
    }
    return lines;
  }

  private static String revertComponent(IChatBaseComponent component) {
    return CraftChatMessage.fromComponent(component);
  }

  public String[] getLines() {
    return lines;
  }

  public String getLine(int index) throws IndexOutOfBoundsException {
    return lines[index];
  }

  public void setLine(int index, String line) throws IndexOutOfBoundsException {
    lines[index] = line;
  }

  @Override
  public boolean update(boolean force, boolean applyPhysics) {
    boolean result = super.update(force, applyPhysics);

    if (result) {
      IChatBaseComponent[] newLines = sanitizeLines(lines);
      System.arraycopy(newLines, 0, sign.lines, 0, 4);
      sign.update();
    }

    return result;
  }

  @Override
  public TileEntitySign getTileEntity() {
    return sign;
  }
}