// 
// Decompiled by Procyon v0.6.0
// 

package com.hypixel.hytale.server.core.modules.entity.teleport;

import com.hypixel.hytale.protocol.Position;
import com.hypixel.hytale.server.core.modules.entity.EntityModule;
import com.hypixel.hytale.component.ComponentType;
import it.unimi.dsi.fastutil.objects.ObjectArrayList;
import java.util.List;
import javax.annotation.Nonnull;
import com.hypixel.hytale.math.vector.Vector3d;
import com.hypixel.hytale.server.core.universe.world.storage.EntityStore;
import com.hypixel.hytale.component.Component;

public class PendingTeleport implements Component<EntityStore>
{
    public static final double MAX_OFFSET = 0.001;
    @Nonnull
    private final Vector3d position;
    @Nonnull
    private final List<Teleport> pendingTeleports;
    private int nextTeleportId;
    private int lastTeleportId;
    
    public PendingTeleport() {
        this.position = new Vector3d();
        this.pendingTeleports = new ObjectArrayList<Teleport>();
        this.nextTeleportId = 0;
        this.lastTeleportId = 0;
    }
    
    public static ComponentType<EntityStore, PendingTeleport> getComponentType() {
        return EntityModule.get().getPendingTeleportComponentType();
    }
    
    @Nonnull
    public Result validate(final int teleportId, @Nonnull final Position teleportPosition) {
        if (teleportId != this.lastTeleportId) {
            return Result.INVALID_ID;
        }
        this.position.assign(teleportPosition.x, teleportPosition.y, teleportPosition.z);
        final Teleport teleport = this.pendingTeleports.removeFirst();
        ++this.lastTeleportId;
        if (teleport.getPosition().distanceSquaredTo(this.position) <= 0.001) {
            return Result.OK;
        }
        return Result.INVALID_POSITION;
    }
    
    public boolean isEmpty() {
        return this.pendingTeleports.isEmpty();
    }
    
    public int queueTeleport(final Teleport teleport) {
        this.pendingTeleports.add(teleport);
        return this.nextTeleportId++;
    }
    
    @Nonnull
    public Vector3d getPosition() {
        return this.position;
    }
    
    @Nonnull
    @Override
    public Component<EntityStore> clone() {
        return new PendingTeleport();
    }
    
    public enum Result
    {
        OK, 
        INVALID_ID, 
        INVALID_POSITION;
    }
}