mirror of
https://github.com/CitizensDev/Citizens2.git
synced 2024-08-17 02:53:04 +02:00
124 lines
3.7 KiB
Java
124 lines
3.7 KiB
Java
package net.citizensnpcs.npc;
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import net.citizensnpcs.api.event.NPCDespawnEvent;
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import net.citizensnpcs.api.event.NPCSpawnEvent;
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import net.citizensnpcs.api.npc.AbstractNPC;
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import net.citizensnpcs.api.npc.ai.Navigator;
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import net.citizensnpcs.api.npc.trait.trait.SpawnLocation;
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import net.citizensnpcs.api.npc.trait.trait.Spawned;
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import net.citizensnpcs.npc.ai.CitizensNavigator;
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import net.citizensnpcs.trait.LookClose;
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import net.citizensnpcs.util.Messaging;
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import org.bukkit.Bukkit;
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import org.bukkit.Location;
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import org.bukkit.entity.Entity;
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public abstract class CitizensNPC extends AbstractNPC {
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private static final double lookRange = 5;
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protected final CitizensNPCManager manager;
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protected net.minecraft.server.Entity mcEntity;
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protected CitizensNPC(CitizensNPCManager manager, int id, String name) {
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super(id, name);
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this.manager = manager;
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}
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protected abstract net.minecraft.server.Entity createHandle(Location loc);
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@Override
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public boolean despawn() {
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if (!isSpawned()) {
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Messaging.debug("The NPC with the ID '" + getId() + "' is already despawned.");
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return false;
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}
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Bukkit.getPluginManager().callEvent(new NPCDespawnEvent(this));
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manager.despawn(this);
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mcEntity = null;
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return true;
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}
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// TODO: is this necessary? it's a helper method...
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protected void faceEntity(Location target) {
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if (getBukkitEntity().getWorld() != target.getWorld())
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return;
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Location loc = getBukkitEntity().getLocation();
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double xDiff = target.getX() - loc.getX();
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double yDiff = target.getY() - loc.getY();
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double zDiff = target.getZ() - loc.getZ();
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double distanceXZ = Math.sqrt(xDiff * xDiff + zDiff * zDiff);
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double distanceY = Math.sqrt(distanceXZ * distanceXZ + yDiff * yDiff);
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double yaw = (Math.acos(xDiff / distanceXZ) * 180 / Math.PI);
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double pitch = (Math.acos(yDiff / distanceY) * 180 / Math.PI) - 90;
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if (zDiff < 0.0) {
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yaw = yaw + (Math.abs(180 - yaw) * 2);
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}
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mcEntity.yaw = (float) yaw - 90;
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mcEntity.pitch = (float) pitch;
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}
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@Override
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public Entity getBukkitEntity() {
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return getHandle().getBukkitEntity();
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}
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public net.minecraft.server.Entity getHandle() {
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return mcEntity;
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}
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@Override
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public Navigator getNavigator() {
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return new CitizensNavigator(this);
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}
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@Override
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public boolean isSpawned() {
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return getHandle() != null;
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}
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@Override
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public void remove() {
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if (isSpawned())
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despawn();
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manager.remove(this);
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}
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@Override
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public boolean spawn(Location loc) {
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if (isSpawned()) {
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Messaging.debug("The NPC with the ID '" + getId() + "' is already spawned.");
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return false;
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}
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NPCSpawnEvent spawnEvent = new NPCSpawnEvent(this, loc);
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Bukkit.getPluginManager().callEvent(spawnEvent);
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if (spawnEvent.isCancelled())
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return false;
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mcEntity = createHandle(loc);
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mcEntity.world.addEntity(mcEntity);
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// Set the location
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addTrait(new SpawnLocation(loc));
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// Set the spawned state
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addTrait(new Spawned(true));
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return true;
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}
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public void tick() {
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// TODO: this needs to be less hard-coded... does everyone want this
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// behaviour?
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if (mcEntity != null) {
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if (getTrait(LookClose.class).shouldLookClose()
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&& mcEntity.world.findNearbyPlayer(mcEntity, lookRange) != null)
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faceEntity(mcEntity.world.findNearbyPlayer(mcEntity, lookRange).getBukkitEntity().getLocation());
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}
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}
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} |