package electrosphere.server.simulation;

import electrosphere.entity.types.attach.AttachUtils;
import electrosphere.client.targeting.crosshair.Crosshair;
import electrosphere.collision.hitbox.HitboxManager;
import electrosphere.collision.hitbox.HitboxUtils;
import electrosphere.engine.Globals;
import electrosphere.engine.Main;
import electrosphere.entity.Entity;
import electrosphere.entity.EntityDataStrings;
import electrosphere.entity.EntityTags;
import electrosphere.entity.EntityUtils;
import electrosphere.entity.btree.BehaviorTree;
import electrosphere.entity.scene.EntityDescriptor;
import electrosphere.entity.state.ParticleTree;
import electrosphere.entity.state.attack.ClientAttackTree;
import electrosphere.entity.state.collidable.ClientCollidableTree;
import electrosphere.entity.state.collidable.ServerCollidableTree;
import electrosphere.entity.state.idle.IdleTree;
import electrosphere.entity.types.creature.CreatureUtils;
import electrosphere.entity.types.item.ItemUtils;
import electrosphere.entity.state.life.LifeState;
import electrosphere.entity.state.life.LifeUtils;
import electrosphere.entity.state.movement.SprintTree;
import electrosphere.entity.state.movement.groundmove.ClientGroundMovementTree;
import electrosphere.entity.types.particle.ParticleUtils;
import electrosphere.net.parser.net.message.EntityMessage;
import electrosphere.renderer.actor.Actor;
import electrosphere.server.datacell.ServerDataCell;

import java.sql.Time;

import org.joml.Vector3d;
import org.joml.Vector3f;

/**
 *
 * @author amaterasu
 */
public class MicroSimulation {
    
    boolean isReady = false;
    
    public MicroSimulation(){
        isReady = false;
    }
    
    public void simulate(ServerDataCell dataCell, HitboxManager hitboxManager){
        if(dataCell.isReady()){
            //simulate ai
            Globals.aiManager.simulate();
            //update actor animations
            for(Entity currentEntity : dataCell.getScene().getEntitiesWithTag(EntityTags.DRAWABLE)){
                //fetch actor
                Actor currentActor = EntityUtils.getActor(currentEntity);
                //increment animations
                if(currentActor.isPlayingAnimation()){
                    currentActor.incrementAnimationTime(Globals.timekeeper.getSimFrameTime() / Main.targetFrameRate);
                }
            }
            //update first person model animations
            if(Globals.firstPersonEntity != null){
                //fetch actor
                Actor currentActor = EntityUtils.getActor(Globals.firstPersonEntity);
                //increment animations
                if(currentActor.isPlayingAnimation()){
                    currentActor.incrementAnimationTime(Globals.timekeeper.getSimFrameTime() / Main.targetFrameRate);
                }
            }
            //make items play idle animation
            for(Entity item : dataCell.getScene().getEntitiesWithTag(EntityTags.ITEM)){
                ItemUtils.updateItemActorAnimation(item);
            }
            //particle state updates
            for(Entity particle : dataCell.getScene().getEntitiesWithTag(EntityTags.PARTICLE)){
                // ParticleTree tree = ParticleUtils.getParticleTree(particle);
                // tree.simulate(Main.deltaFrames);
                ParticleUtils.makeParticleBillboardFaceCamera(particle);
            }
            //update attached entity positions
            AttachUtils.serverUpdateAttachedEntityPositions(dataCell);
            //update hitbox positions
            for(Entity currentHitbox : hitboxManager.getAllHitboxes()){
                HitboxUtils.serverUpdatePosition(currentHitbox);
            }
            //collide hitboxes
            for(Entity currentHitbox : hitboxManager.getAllHitboxes()){
                if(isReady){
                    HitboxUtils.serverCollideEntities(currentHitbox);
                }
            }
            //simulate behavior trees
            dataCell.getScene().simulateBehaviorTrees((float)Globals.timekeeper.getSimFrameTime());
            //sum collidable impulses
            for(Entity collidable : dataCell.getScene().getEntitiesWithTag(EntityTags.COLLIDABLE)){
                ServerCollidableTree.getServerCollidableTree(collidable).simulate((float)Globals.timekeeper.getSimFrameTime());
            }
        }
    }
    
    public boolean isReady(){
        return isReady;
    }
    
    public void setReady(boolean ready){
        isReady = ready;
    }
    
    public void freeze(){
        isReady = false;
    }
    
    public void unfreeze(){
        isReady = true;
    }
    
}