Multiverse-Core/src/main/java/com/onarandombox/MultiverseCore/utils/CompatibilityLayer.java

107 lines
3.9 KiB
Java

package com.onarandombox.MultiverseCore.utils;
import com.dumptruckman.minecraft.util.Logging;
import org.bukkit.event.entity.EntityPortalEvent;
import org.bukkit.event.player.PlayerPortalEvent;
import org.bukkit.event.player.PlayerRespawnEvent;
import java.lang.reflect.Method;
/**
* Utility class to enable version specific minecraft features.
*/
public class CompatibilityLayer {
private static Method checkAnchorSpawn;
private static boolean useTravelAgent;
private static Method playerPortalSearchRadius;
private static Method entityPortalSearchRadius;
/**
* Initialise the reflection class, methods and fields.
*/
public static void init() {
checkAnchorSpawn = ReflectHelper.getMethod(PlayerRespawnEvent.class, "isAnchorSpawn");
useTravelAgent = ReflectHelper.hasClass("org.bukkit.TravelAgent");
playerPortalSearchRadius = ReflectHelper.getMethod(PlayerPortalEvent.class, "setSearchRadius", int.class);
entityPortalSearchRadius = ReflectHelper.getMethod(EntityPortalEvent.class, "setSearchRadius", int.class);
}
/**
* <p>Check if the respawn point is of respawn anchor type.</p>
* <p>Introduced in minecraft 1.16</p>
*
* @param event A player respawn event.
* @return If the respawn location is an anchor point.
*/
public static boolean isAnchorSpawn(PlayerRespawnEvent event) {
if (checkAnchorSpawn == null) {
return false;
}
Boolean result = ReflectHelper.invokeMethod(event, checkAnchorSpawn);
if (result == null) {
Logging.warning("Unable to check if spawning at respawn anchor!");
return false;
}
return result;
}
/**
* <p>Gets if Travel Agent is supported on the server's minecraft version.</p>
* <p>Removed in minecraft 1.14</p>
*
* @return True if Travel Agent is supported, else false.
*/
public static boolean isUseTravelAgent() {
return useTravelAgent;
}
/**
* <p>Sets search radius for a PlayerPortalEvent.</p>
*
* <p>Use travel agent if available, else using new PlayerPortalEvent.setSearchRadius(int) method
* introduced in minecraft 1.15</p>
*
* @param event A Player Portal Event.
* @param searchRadius Target search radius to set to.
*/
public static void setPortalSearchRadius(PlayerPortalEvent event, int searchRadius) {
if (useTravelAgent) {
event.getPortalTravelAgent().setSearchRadius(searchRadius);
event.useTravelAgent(true);
Logging.finer("Used travel agent to set player portal search radius.");
return;
}
if (playerPortalSearchRadius == null) {
Logging.warning("Unable to set player portal search radius!");
return;
}
ReflectHelper.invokeMethod(event, playerPortalSearchRadius, searchRadius);
Logging.finer("Used new method to set player portal search radius.");
}
/**
* <p>Sets search radius for a EntityPortalEvent.</p>
*
* <p>Use travel agent if available, else using new EntityPortalEvent.setSearchRadius(int) method
* introduced in minecraft 1.15</p>
*
* @param event A Entity Portal Event.
* @param searchRadius Target search radius to set to.
*/
public static void setPortalSearchRadius(EntityPortalEvent event, int searchRadius) {
if (useTravelAgent) {
event.getPortalTravelAgent().setSearchRadius(searchRadius);
event.useTravelAgent(true);
Logging.finer("Used travel agent to set entity portal search radius.");
return;
}
if (entityPortalSearchRadius == null) {
Logging.warning("Unable to set entity portal search radius!");
return;
}
ReflectHelper.invokeMethod(event, entityPortalSearchRadius, searchRadius);
Logging.finer("Used new method to set entity portal search radius.");
}
}