PlotSquared/src/main/java/com/intellectualcrafters/plot/titles/DefaultTitleManager.java
2015-07-16 16:16:16 +02:00

398 lines
12 KiB
Java

package com.intellectualcrafters.plot.titles;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import org.bukkit.Bukkit;
import org.bukkit.ChatColor;
import org.bukkit.entity.Player;
/**
* [ PlotSquared DefaultTitleManager by Maxim Van de Wynckel ]
*
* @version 1.1.0
* @author Maxim Van de Wynckel
*
*/
public class DefaultTitleManager {
/* Title packet */
private Class<?> packetTitle;
/* Title packet actions ENUM */
private Class<?> packetActions;
/* Chat serializer */
private Class<?> nmsChatSerializer;
private Class<?> chatBaseComponent;
/* Title text and color */
private String title = "";
private ChatColor titleColor = ChatColor.WHITE;
/* Subtitle text and color */
private String subtitle = "";
private ChatColor subtitleColor = ChatColor.WHITE;
/* Title timings */
private int fadeInTime = -1;
private int stayTime = -1;
private int fadeOutTime = -1;
private boolean ticks = false;
private static final Map<Class<?>, Class<?>> CORRESPONDING_TYPES = new HashMap<Class<?>, Class<?>>();
/**
* Create a new 1.8 title
*
* @param title
* Title
* @throws ClassNotFoundException
*/
public DefaultTitleManager(final String title) throws ClassNotFoundException {
this.title = title;
loadClasses();
}
/**
* Create a new 1.8 title
*
* @param title
* Title text
* @param subtitle
* Subtitle text
* @throws ClassNotFoundException
*/
public DefaultTitleManager(final String title, final String subtitle) throws ClassNotFoundException {
this.title = title;
this.subtitle = subtitle;
loadClasses();
}
/**
* Copy 1.8 title
*
* @param title
* Title
* @throws ClassNotFoundException
*/
public DefaultTitleManager(final DefaultTitleManager title) throws ClassNotFoundException {
// Copy title
this.title = title.title;
this.subtitle = title.subtitle;
this.titleColor = title.titleColor;
this.subtitleColor = title.subtitleColor;
this.fadeInTime = title.fadeInTime;
this.fadeOutTime = title.fadeOutTime;
this.stayTime = title.stayTime;
this.ticks = title.ticks;
loadClasses();
}
/**
* 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
* @throws ClassNotFoundException
*/
public DefaultTitleManager(final String title, final String subtitle, final int fadeInTime, final int stayTime, final int fadeOutTime) throws ClassNotFoundException {
this.title = title;
this.subtitle = subtitle;
this.fadeInTime = fadeInTime;
this.stayTime = stayTime;
this.fadeOutTime = fadeOutTime;
loadClasses();
}
/**
* Load spigot and NMS classes
* @throws ClassNotFoundException
*/
private void loadClasses() throws ClassNotFoundException {
this.packetTitle = getNMSClass("PacketPlayOutTitle");
this.packetActions = getNMSClass("EnumTitleAction");
this.chatBaseComponent = getNMSClass("IChatBaseComponent");
this.nmsChatSerializer = getNMSClass("ChatSerializer");
}
/**
* Set title text
*
* @param title
* Title
*/
public void setTitle(final String title) {
this.title = title;
}
/**
* Get title text
*
* @return Title text
*/
public String getTitle() {
return this.title;
}
/**
* Set subtitle text
*
* @param subtitle
* Subtitle text
*/
public void setSubtitle(final String subtitle) {
this.subtitle = subtitle;
}
/**
* Get subtitle text
*
* @return Subtitle text
*/
public String getSubtitle() {
return this.subtitle;
}
/**
* Set the title color
*
* @param color
* Chat color
*/
public void setTitleColor(final ChatColor color) {
this.titleColor = color;
}
/**
* Set the subtitle color
*
* @param color
* Chat color
*/
public void setSubtitleColor(final ChatColor color) {
this.subtitleColor = color;
}
/**
* Set title fade in time
*
* @param time
* Time
*/
public void setFadeInTime(final int time) {
this.fadeInTime = time;
}
/**
* Set title fade out time
*
* @param time
* Time
*/
public void setFadeOutTime(final int time) {
this.fadeOutTime = time;
}
/**
* Set title stay time
*
* @param time
* Time
*/
public void setStayTime(final int time) {
this.stayTime = time;
}
/**
* Set timings to ticks
*/
public void setTimingsToTicks() {
this.ticks = true;
}
/**
* Set timings to seconds
*/
public void setTimingsToSeconds() {
this.ticks = false;
}
/**
* Send the title to a player
*
* @param player
* Player
* @throws InvocationTargetException
* @throws IllegalArgumentException
* @throws IllegalAccessException
*/
public void send(final Player player) throws Exception {
if (this.packetTitle != null) {
// First reset previous settings
resetTitle(player);
// Send timings first
final Object handle = getHandle(player);
final Object connection = getField(handle.getClass(), "playerConnection").get(handle);
final Object[] actions = this.packetActions.getEnumConstants();
final 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.title) + "\",color:" + this.titleColor.name().toLowerCase() + "}");
packet = this.packetTitle.getConstructor(this.packetActions, this.chatBaseComponent).newInstance(actions[0], serialized);
sendPacket.invoke(connection, packet);
if (this.subtitle != "") {
// Send subtitle if present
serialized = getMethod(this.nmsChatSerializer, "a", String.class).invoke(null, "{text:\"" + ChatColor.translateAlternateColorCodes('&', this.subtitle) + "\",color:" + this.subtitleColor.name().toLowerCase() + "}");
packet = this.packetTitle.getConstructor(this.packetActions, this.chatBaseComponent).newInstance(actions[1], serialized);
sendPacket.invoke(connection, packet);
}
}
}
/**
* Broadcast the title to all players
* @throws Exception
*/
public void broadcast() throws Exception {
for (final Player p : Bukkit.getOnlinePlayers()) {
send(p);
}
}
/**
* Clear the title
*
* @param player
* Player
* @throws IllegalAccessException
* @throws IllegalArgumentException
*/
public void clearTitle(final Player player) throws Exception {
// Send timings first
final Object handle = getHandle(player);
final Object connection = getField(handle.getClass(), "playerConnection").get(handle);
final Object[] actions = this.packetActions.getEnumConstants();
final Method sendPacket = getMethod(connection.getClass(), "sendPacket");
final Object packet = this.packetTitle.getConstructor(this.packetActions, this.chatBaseComponent).newInstance(actions[3], null);
sendPacket.invoke(connection, packet);
}
/**
* Reset the title settings
*
* @param player
* Player
*/
public void resetTitle(final Player player) throws Exception {
// Send timings first
final Object handle = getHandle(player);
final Object connection = getField(handle.getClass(), "playerConnection").get(handle);
final Object[] actions = this.packetActions.getEnumConstants();
final Method sendPacket = getMethod(connection.getClass(), "sendPacket");
final Object packet = this.packetTitle.getConstructor(this.packetActions, this.chatBaseComponent).newInstance(actions[4], null);
sendPacket.invoke(connection, packet);
}
private Class<?> getPrimitiveType(final Class<?> clazz) {
return CORRESPONDING_TYPES.containsKey(clazz) ? CORRESPONDING_TYPES.get(clazz) : clazz;
}
private Class<?>[] toPrimitiveTypeArray(final Class<?>[] classes) {
final int a = classes != null ? classes.length : 0;
final Class<?>[] types = new Class<?>[a];
for (int i = 0; i < a; i++) {
types[i] = getPrimitiveType(classes[i]);
}
return types;
}
private static boolean equalsTypeArray(final Class<?>[] a, final Class<?>[] o) {
if (a.length != o.length) {
return false;
}
for (int i = 0; i < a.length; i++) {
if (!a[i].equals(o[i]) && !a[i].isAssignableFrom(o[i])) {
return false;
}
}
return true;
}
private Object getHandle(final Object obj) {
try {
return getMethod("getHandle", obj.getClass()).invoke(obj);
} catch (final Exception e) {
e.printStackTrace();
return null;
}
}
private Method getMethod(final String name, final Class<?> clazz, final Class<?>... paramTypes) {
final Class<?>[] t = toPrimitiveTypeArray(paramTypes);
for (final Method m : clazz.getMethods()) {
final Class<?>[] types = toPrimitiveTypeArray(m.getParameterTypes());
if (m.getName().equals(name) && equalsTypeArray(types, t)) {
return m;
}
}
return null;
}
private String getVersion() {
final String name = Bukkit.getServer().getClass().getPackage().getName();
final String version = name.substring(name.lastIndexOf('.') + 1) + ".";
return version;
}
private Class<?> getNMSClass(final String className) throws ClassNotFoundException {
final String fullName = "net.minecraft.server." + getVersion() + className;
Class<?> clazz = null;
clazz = Class.forName(fullName);
return clazz;
}
private Field getField(final Class<?> clazz, final String name) {
try {
final Field field = clazz.getDeclaredField(name);
field.setAccessible(true);
return field;
} catch (final Exception e) {
e.printStackTrace();
return null;
}
}
private Method getMethod(final Class<?> clazz, final String name, final Class<?>... args) {
for (final Method m : clazz.getMethods()) {
if (m.getName().equals(name) && ((args.length == 0) || ClassListEqual(args, m.getParameterTypes()))) {
m.setAccessible(true);
return m;
}
}
return null;
}
private boolean ClassListEqual(final Class<?>[] l1, final Class<?>[] l2) {
boolean equal = true;
if (l1.length != l2.length) {
return false;
}
for (int i = 0; i < l1.length; i++) {
if (l1[i] != l2[i]) {
equal = false;
break;
}
}
return equal;
}
}