QBDDT/Assets/Bomb/Scripts/Player.cs

/*
 * Copyright (c) 2015 Razeware LLC
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

using UnityEngine;
using System.Collections;
using System;

public class Player : MonoBehaviour {

    //Player parameters
    [Range(1, 2)] //Enables a nifty slider in the editor
    public int playerNumber = 2; //Indicates what player this is: P1 or P2
    public float moveSpeed = 5f;
    public bool canDropBombs = true; //Can the player drop bombs?
    public bool canMove = true; //Can the player move?

    private int bombs = 2; //Amount of bombs the player has left to drop, gets decreased as the player drops a bomb, increases as an owned bomb explodes

    //Prefabs
    public GameObject bombPrefab;

    //Cached components
    private Rigidbody rigidBody;
    private Transform myTransform;
    private Animator animator;

    // Use this for initialization
    void Start() {
        //Cache the attached components for better performance and less typing
        rigidBody = GetComponent<Rigidbody>();
        myTransform = transform;
        animator = myTransform.FindChild("PlayerModel").GetComponent<Animator>();
    }

    // Update is called once per frame
    void Update() {
        UpdateMovement();
    }

    private void UpdateMovement() {
        animator.SetBool("Walking", false);

        if (!canMove) { //Return if player can't move
            return;
        }

        //Depending on the player number, use different input for moving
        if (playerNumber == 1) {
            UpdatePlayer1Movement();
        }
        else {
            UpdatePlayer2Movement();
        }
    }

    /// <summary>
    /// Updates Player 1's movement and facing rotation using the WASD keys and drops bombs using Space
    /// </summary>
    private void UpdatePlayer1Movement() {
        if (Input.GetKey(KeyCode.W)) { //Up movement
            rigidBody.velocity = new Vector3(rigidBody.velocity.x, rigidBody.velocity.y, moveSpeed);
            myTransform.rotation = Quaternion.Euler(0, 0, 0);
            animator.SetBool("Walking",true);
        }

        if (Input.GetKey(KeyCode.A)) { //Left movement
            rigidBody.velocity = new Vector3(-moveSpeed, rigidBody.velocity.y, rigidBody.velocity.z);
            myTransform.rotation = Quaternion.Euler(0, 270, 0);
            animator.SetBool("Walking", true);
        }

        if (Input.GetKey(KeyCode.S)) { //Down movement
            rigidBody.velocity = new Vector3(rigidBody.velocity.x, rigidBody.velocity.y, -moveSpeed);
            myTransform.rotation = Quaternion.Euler(0, 180, 0);
            animator.SetBool("Walking", true);
        }

        if (Input.GetKey(KeyCode.D)) { //Right movement
            rigidBody.velocity = new Vector3(moveSpeed, rigidBody.velocity.y, rigidBody.velocity.z);
            myTransform.rotation = Quaternion.Euler(0, 90, 0);
            animator.SetBool("Walking", true);
        }

        if (canDropBombs && Input.GetKeyDown(KeyCode.Space)) { //Drop bomb
            DropBomb();
        }
    }

    /// <summary>
    /// Updates Player 2's movement and facing rotation using the arrow keys and drops bombs using Enter or Return
    /// </summary>
    private void UpdatePlayer2Movement() {
        if (Input.GetKey(KeyCode.UpArrow)) { //Up movement
            rigidBody.velocity = new Vector3(rigidBody.velocity.x, rigidBody.velocity.y, moveSpeed);
            myTransform.rotation = Quaternion.Euler(0, 0, 0);
            animator.SetBool("Walking", true);
        }

        if (Input.GetKey(KeyCode.LeftArrow)) { //Left movement
            rigidBody.velocity = new Vector3(-moveSpeed, rigidBody.velocity.y, rigidBody.velocity.z);
            myTransform.rotation = Quaternion.Euler(0, 270, 0);
            animator.SetBool("Walking", true);
        }

        if (Input.GetKey(KeyCode.DownArrow)) { //Down movement
            rigidBody.velocity = new Vector3(rigidBody.velocity.x, rigidBody.velocity.y, -moveSpeed);
            myTransform.rotation = Quaternion.Euler(0, 180, 0);
            animator.SetBool("Walking", true);
        }

        if (Input.GetKey(KeyCode.RightArrow)) { //Right movement
            rigidBody.velocity = new Vector3(moveSpeed, rigidBody.velocity.y, rigidBody.velocity.z);
            myTransform.rotation = Quaternion.Euler(0, 90, 0);
            animator.SetBool("Walking", true);
        }

        if (canDropBombs && (Input.GetKeyDown(KeyCode.KeypadEnter) || Input.GetKeyDown(KeyCode.Return))) { //Drop Bomb. For Player 2's bombs, allow both the numeric enter as the return key or players without a numpad will be unable to drop bombs
            DropBomb();
        }
    }

    /// <summary>
    /// Drops a bomb beneath the player
    /// </summary>
    private void DropBomb() {
        if (bombPrefab) { //Check if bomb prefab is assigned first
			Vector3 BombPos = new Vector3 (Mathf.RoundToInt (myTransform.position.x),
				                  Mathf.RoundToInt (myTransform.position.y), Mathf.RoundToInt (myTransform.position.z));
			Instantiate(bombPrefab, BombPos, bombPrefab.transform.rotation); 
        }
    }

    public void OnTriggerEnter(Collider other) {
        if (other.CompareTag("Explosion")) {
            Debug.Log("P" + playerNumber + " hit by explosion!");
        }
    }
}