package com.plotsquared.bukkit.titles;
import com.plotsquared.bukkit.chat.Reflection;
import org.bukkit.ChatColor;
import org.bukkit.entity.Player;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
public class DefaultTitleManager extends TitleManager {
/**
* Create a new 1.8 title.
*
* @param title Title text
* @param subtitle Subtitle text
* @param fadeInTime Fade in time
* @param stayTime Stay on screen time
* @param fadeOutTime Fade out time
*/
DefaultTitleManager(String title, String subtitle, int fadeInTime, int stayTime, int fadeOutTime) {
super(title, subtitle, fadeInTime, stayTime, fadeOutTime);
}
/**
* Load spigot and NMS classes.
*/
@Override void loadClasses() {
this.packetTitle = Reflection.getNMSClass("PacketPlayOutTitle");
this.packetActions = Reflection.getNMSClass("EnumTitleAction");
this.chatBaseComponent = Reflection.getNMSClass("IChatBaseComponent");
this.nmsChatSerializer = Reflection.getNMSClass("ChatSerializer");
}
@Override public void send(Player player) throws IllegalArgumentException, ReflectiveOperationException, SecurityException {
if (this.packetTitle != null) {
// First reset previous settings
resetTitle(player);
// Send timings first
Object handle = getHandle(player);
Object connection = getField(handle.getClass(), "playerConnection").get(handle);
Object[] actions = this.packetActions.getEnumConstants();
Method sendPacket = getMethod(connection.getClass(), "sendPacket");
Object packet = this.packetTitle.getConstructor(this.packetActions, this.chatBaseComponent, Integer.TYPE, Integer.TYPE, Integer.TYPE)
.newInstance(actions[2], null, this.fadeInTime * (this.ticks ? 1 : 20),
this.stayTime * (this.ticks ? 1 : 20), this.fadeOutTime * (this.ticks ? 1 : 20));
// Send if set
if (this.fadeInTime != -1 && this.fadeOutTime != -1 && this.stayTime != -1) {
sendPacket.invoke(connection, packet);
}
// Send title
Object serialized = getMethod(this.nmsChatSerializer, "a", String.class).invoke(null,
"{text:\"" + ChatColor.translateAlternateColorCodes('&', this.getTitle()) + "\",color:" + this.titleColor.name().toLowerCase()
+ '}');
packet = this.packetTitle.getConstructor(this.packetActions, this.chatBaseComponent).newInstance(actions[0], serialized);
sendPacket.invoke(connection, packet);
if (!this.getSubtitle().isEmpty()) {
// Send subtitle if present
serialized = getMethod(this.nmsChatSerializer, "a", String.class).invoke(null,
"{text:\"" + ChatColor.translateAlternateColorCodes('&', this.getSubtitle()) + "\",color:" + this.subtitleColor.name()
.toLowerCase() + '}');
packet = this.packetTitle.getConstructor(this.packetActions, this.chatBaseComponent).newInstance(actions[1], serialized);
sendPacket.invoke(connection, packet);
}
}
}
@Override
public void clearTitle(Player player) throws IllegalArgumentException, ReflectiveOperationException, SecurityException {
// Send timings first
Object handle = getHandle(player);
Object connection = getField(handle.getClass(), "playerConnection").get(handle);
Object[] actions = this.packetActions.getEnumConstants();
Method sendPacket = getMethod(connection.getClass(), "sendPacket");
Object packet = this.packetTitle.getConstructor(this.packetActions, this.chatBaseComponent).newInstance(actions[3], null);
sendPacket.invoke(connection, packet);
}
/**
* Reset the title settings.
*
* @param player Player
* @throws SecurityException
* @throws ReflectiveOperationException
* @throws SecurityException
*/
@Override
public void resetTitle(Player player) throws IllegalArgumentException, ReflectiveOperationException, SecurityException {
// Send timings first
Object handle = getHandle(player);
Object connection = getField(handle.getClass(), "playerConnection").get(handle);
Object[] actions = this.packetActions.getEnumConstants();
Method sendPacket = getMethod(connection.getClass(), "sendPacket");
Object packet = this.packetTitle.getConstructor(this.packetActions, this.chatBaseComponent).newInstance(actions[4], null);
sendPacket.invoke(connection, packet);
}
Field getField(Class<?> clazz, String name) {
try {
Field field = clazz.getDeclaredField(name);
field.setAccessible(true);
return field;
} catch (NoSuchFieldException | SecurityException e) {
e.printStackTrace();
return null;
}
}
Method getMethod(Class<?> clazz, String name, Class<?>... args) {
for (Method m : clazz.getMethods()) {
if (m.getName().equals(name) && (args.length == 0 || classListEqual(args, m.getParameterTypes()))) {
m.setAccessible(true);
return m;
}
}
return null;
}
}