Java tutorial
/* * Minecraft Forge * Copyright (c) 2016-2019. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation version 2.1 * of the License. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ package net.minecraftforge.event.entity; import net.minecraft.entity.Entity; import net.minecraft.entity.EntitySize; import net.minecraft.entity.Pose; import net.minecraft.world.World; import net.minecraft.world.chunk.Chunk; import net.minecraftforge.common.MinecraftForge; import net.minecraftforge.eventbus.api.Cancelable; import net.minecraftforge.eventbus.api.Event; /** * EntityEvent is fired when an event involving any Entity occurs.<br> * If a method utilizes this {@link net.minecraftforge.eventbus.api.Event} as its parameter, the method will * receive every child event of this class.<br> * <br> * {@link #entity} contains the entity that caused this event to occur.<br> * <br> * All children of this event are fired on the {@link MinecraftForge#EVENT_BUS}.<br> **/ public class EntityEvent extends Event { private final Entity entity; public EntityEvent(Entity entity) { this.entity = entity; } public Entity getEntity() { return entity; } /** * EntityConstructing is fired when an Entity is being created. <br> * This event is fired within the constructor of the Entity.<br> * <br> * This event is not {@link net.minecraftforge.eventbus.api.Cancelable}.<br> * <br> * This event does not have a result. {@link HasResult}<br> * <br> * This event is fired on the {@link MinecraftForge#EVENT_BUS}.<br> **/ public static class EntityConstructing extends EntityEvent { public EntityConstructing(Entity entity) { super(entity); } } /** * CanUpdate is fired when an Entity is being created. <br> * This event is fired whenever vanilla Minecraft determines that an entity<br> * cannot update in {@link World#updateEntityWithOptionalForce(net.minecraft.entity.Entity, boolean)} <br> * <br> * {@link CanUpdate#canUpdate} contains the boolean value of whether this entity can update.<br> * If the modder decides that this Entity can be updated, they may change canUpdate to true, <br> * and the entity with then be updated.<br> * <br> * This event is not {@link Cancelable}.<br> * <br> * This event is fired on the {@link MinecraftForge#EVENT_BUS}.<br> **/ public static class CanUpdate extends EntityEvent { private boolean canUpdate = false; public CanUpdate(Entity entity) { super(entity); } public boolean getCanUpdate() { return canUpdate; } public void setCanUpdate(boolean canUpdate) { this.canUpdate = canUpdate; } } /** * EnteringChunk is fired when an Entity enters a chunk. <br> * This event is fired whenever vanilla Minecraft determines that an entity <br> * is entering a chunk in {@link Chunk#addEntity(net.minecraft.entity.Entity)} <br> * <br> * This event is not {@link Cancelable}.<br> * <br> * This event does not have a result. {@link HasResult} * <br> * This event is fired on the {@link MinecraftForge#EVENT_BUS}.<br> **/ public static class EnteringChunk extends EntityEvent { private int newChunkX; private int newChunkZ; private int oldChunkX; private int oldChunkZ; public EnteringChunk(Entity entity, int newChunkX, int newChunkZ, int oldChunkX, int oldChunkZ) { super(entity); this.setNewChunkX(newChunkX); this.setNewChunkZ(newChunkZ); this.setOldChunkX(oldChunkX); this.setOldChunkZ(oldChunkZ); } public int getNewChunkX() { return newChunkX; } public void setNewChunkX(int newChunkX) { this.newChunkX = newChunkX; } public int getNewChunkZ() { return newChunkZ; } public void setNewChunkZ(int newChunkZ) { this.newChunkZ = newChunkZ; } public int getOldChunkX() { return oldChunkX; } public void setOldChunkX(int oldChunkX) { this.oldChunkX = oldChunkX; } public int getOldChunkZ() { return oldChunkZ; } public void setOldChunkZ(int oldChunkZ) { this.oldChunkZ = oldChunkZ; } } /** * EyeHeight is fired when an Entity's eye height changes. <br> * This event is fired whenever the {@link Pose} changes, and in a few other hardcoded scenarios.<br> * <br> * This event is not {@link Cancelable}.<br> * <br> * This event does not have a result. {@link HasResult} * <br> * This event is fired on the {@link MinecraftForge#EVENT_BUS}.<br> **/ public static class EyeHeight extends EntityEvent { private final Pose pose; private final EntitySize size; private final float oldHeight; private float newHeight; public EyeHeight(Entity entity, Pose pose, EntitySize size, float defaultHeight) { super(entity); this.pose = pose; this.size = size; this.oldHeight = defaultHeight; this.newHeight = defaultHeight; } public Pose getPose() { return pose; } public EntitySize getSize() { return size; } public float getOldHeight() { return oldHeight; } public float getNewHeight() { return newHeight; } public void setNewHeight(float newSize) { this.newHeight = newSize; } } }