using UnityEngine;
using Mirror;

public class BasicRigidBodyPush : NetworkBehaviour
{
    public LayerMask pushLayers;
    public bool canPush;
    [Range(0.5f, 5f)] public float strength = 1.1f;

    private CharacterController _controller;

    private void OnControllerColliderHit(ControllerColliderHit hit)
    {
        if (!isLocalPlayer) return;

        if (isClient && hit != null)
        {
            // if (canPush) CmdPushRigidBodies(hit.gameObject);
        }
    }

    private void PushRigidBodies(GameObject gameObject)
    {
        // https://docs.unity3d.com/ScriptReference/CharacterController.OnControllerColliderHit.html

        // make sure we hit a non kinematic rigidbody
        Rigidbody body = gameObject.GetComponent<Collider>().attachedRigidbody;
        if (body == null || body.isKinematic) return;

        // make sure we only push desired layer(s)
        var bodyLayerMask = 1 << body.gameObject.layer;
        if ((bodyLayerMask & pushLayers.value) == 0) return;

        // We dont want to push objects below us
        if (_controller.velocity.y < -0.3f) return;

        // Calculate push direction from move direction, horizontal motion only
        Vector3 pushDir = new Vector3(_controller.velocity.x, 0.0f, _controller.velocity.z);

        // Apply the push and take strength into account
        body.AddForce(pushDir * strength, ForceMode.Impulse);
    }

    [Command]
    void CmdPushRigidBodies(GameObject hit)
    {
        PushRigidBodies(hit);
    }
}