Citizens2/src/main/java/net/citizensnpcs/trait/Controllable.java

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package net.citizensnpcs.trait;
import net.citizensnpcs.api.event.NPCRightClickEvent;
import net.citizensnpcs.api.exception.NPCLoadException;
import net.citizensnpcs.api.npc.NPC;
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import net.citizensnpcs.api.trait.Trait;
import net.citizensnpcs.api.util.DataKey;
import net.citizensnpcs.npc.CitizensNPC;
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import net.minecraft.server.EntityPlayer;
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import org.bukkit.craftbukkit.entity.CraftPlayer;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
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import org.bukkit.event.block.Action;
import org.bukkit.event.player.PlayerInteractEvent;
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//TODO: reduce reliance on CitizensNPC
public class Controllable extends Trait implements Runnable, Listener, Toggleable {
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private final CitizensNPC npc;
private boolean enabled;
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public Controllable(NPC npc) {
this.npc = (CitizensNPC) npc;
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}
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private void jump() {
if (!npc.getHandle().onGround)
return;
npc.getHandle().motY = JUMP_VELOCITY;
}
@Override
public void load(DataKey key) throws NPCLoadException {
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enabled = key.getBoolean("");
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}
@EventHandler
public void onPlayerInteract(PlayerInteractEvent event) {
EntityPlayer handle = ((CraftPlayer) event.getPlayer()).getHandle();
Action performed = event.getAction();
if (performed == Action.PHYSICAL || !handle.equals(npc.getHandle().passenger))
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return;
if (performed == Action.LEFT_CLICK_AIR || performed == Action.LEFT_CLICK_BLOCK) {
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jump();
} else if (-170F >= event.getPlayer().getLocation().getPitch()) {
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event.getPlayer().leaveVehicle();
}
}
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@EventHandler
public void onRightClick(NPCRightClickEvent event) {
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if (!event.getNPC().equals(npc) || npc.getHandle().passenger != null)
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return;
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EntityPlayer handle = ((CraftPlayer) event.getClicker()).getHandle();
handle.setPassengerOf(npc.getHandle());
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}
@Override
public void run() {
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if (!npc.isSpawned() || npc.getHandle().passenger == null)
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return;
npc.getHandle().motX += npc.getHandle().passenger.motX;
npc.getHandle().motZ += npc.getHandle().passenger.motZ;
}
@Override
public void save(DataKey key) {
key.setBoolean("enabled", enabled);
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}
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private static final double JUMP_VELOCITY = 0.6;
@Override
public boolean toggle() {
return (enabled = !enabled);
}
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}