class PlayerAnimation : ZilchComponent
{
    [Property]
    var PlayerStand : SpriteSource = null;

    [Property]
    var PlayerWalk : SpriteSource = null;

    [Property]
    var PlayerJump : SpriteSource = null;
    
    [Property]
    var PlayerSlash : SpriteSource = null;
    
    [Property]
    var Projectile : Archetype = null;
    
    [Property]
    var ShotSpeed : Real = 20;
    
    function Initialize(init : CogInitializer)
    {
        Zero.Connect(this.Space, Events.LogicUpdate, this.OnLogicUpdate);
    }

    function OnLogicUpdate(event : UpdateEvent)
    {
        // standing state
        if(this.Owner.Sprite.SpriteSource == this.PlayerStand)
        {
            if(Zero.Keyboard.KeyIsDown(Keys.Left) || Zero.Keyboard.KeyIsDown(Keys.Right))
            {
                this.Owner.Sprite.SpriteSource = this.PlayerWalk;
            }

            if(Zero.Keyboard.KeyIsPressed(Keys.Up))
            {
                this.Owner.Sprite.SpriteSource = this.PlayerJump;
            }
            
            // player slashes and sends out a bullet
            if(Zero.Keyboard.KeyIsDown(Keys.Space))
            {
                this.Owner.Sprite.SpriteSource = this.PlayerSlash;
                var bullet = this.Space.CreateAtPosition(this.Projectile, this.Owner.Transform.Translation);
                //send beam in reverse direction
                if (this.Owner.Sprite.FlipX == true){
                    if (bullet != null)
                    {
                        var direction = -this.Owner.Orientation.WorldForward;
                    
                        direction = Math.Normalize(direction);
                    
                        bullet.RigidBody.Velocity = direction * this.ShotSpeed;
                    }
                }
                
                if (this.Owner.Sprite.FlipX == false){
                    if (bullet != null)
                    {
                        var direction = this.Owner.Orientation.WorldForward;
                    
                        direction = Math.Normalize(direction);
                    
                        bullet.RigidBody.Velocity = direction * this.ShotSpeed;
                    }
                }
            }
        }
        // walking state
        else if(this.Owner.Sprite.SpriteSource == this.PlayerWalk)
        {
            if(Zero.Keyboard.KeyIsDown(Keys.Left) == false && Zero.Keyboard.KeyIsDown(Keys.Right) == false)
            {
                this.Owner.Sprite.SpriteSource = this.PlayerStand;
            }

            if(Zero.Keyboard.KeyIsPressed(Keys.Up))
            {
                this.Owner.Sprite.SpriteSource = this.PlayerJump;
            }
        }
        // jumping state
        else if(this.Owner.Sprite.SpriteSource == this.PlayerJump)
        {
            if(this.Owner.SweptController.Grounded)
            {
                this.Owner.Sprite.SpriteSource = this.PlayerStand;
            }
        }
        
        // slashing state (needs some more work)
        else if(this.Owner.Sprite.SpriteSource == this.PlayerSlash)
        {
            if(Zero.Keyboard.KeyIsDown(Keys.Space) == false)
            {
                this.Owner.Sprite.SpriteSource = this.PlayerStand;
            }
        }
    }
}