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

63 lines
1.5 KiB
Java

package net.citizensnpcs.trait;
import net.citizensnpcs.api.persistence.Persist;
import net.citizensnpcs.api.trait.Trait;
import net.citizensnpcs.api.trait.TraitName;
import net.citizensnpcs.util.NMS;
/**
* Enable/disable Minecraft's gravity.
*/
@TraitName("gravity")
public class Gravity extends Trait implements Toggleable {
@Persist("enabled")
private boolean nogravity;
public Gravity() {
super("gravity");
}
private void applyImmediately() {
if (nogravity && npc.getEntity() != null) {
npc.getEntity().setVelocity(npc.getEntity().getVelocity().setY(0));
NMS.setNoGravity(npc.getEntity(), nogravity);
}
}
/**
* Set whether to disable gravity or not
*
* @param gravitate
* true = disable gravity, false = enable gravity
*/
public void gravitate(boolean gravitate) {
nogravity = gravitate;
}
public boolean hasGravity() {
return !nogravity;
}
@Override
public void onSpawn() {
applyImmediately();
}
@Override
public void run() {
if (!npc.isSpawned())
return;
NMS.setNoGravity(npc.getEntity(), nogravity);
}
public void setEnabled(boolean enabled) {
nogravity = enabled;
}
@Override
public boolean toggle() {
nogravity = !nogravity;
applyImmediately();
return nogravity;
}
}