using System.Data;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
//武器伤害面板的计算方式 damage = (strAddition + level) * Character.str  + (dexAddtion + level) * Character.dex
//  +   basicDamage * level
public class Wepon : MonoBehaviour
{
    //补正
    public float strAddition = 1.0f;
    public float dexAddtion = 3.0f;
    //基础伤害
    public int basicDamage = 9;
    //对强韧度造成的伤害
    public int poiseDamgage = 1;
    //攻击消耗的行动点数
    public int movementCost = 3;
    //武器等级
    public int level = 0;
    public void SetRotation(Vector2 direction)
    {
        if(direction == Vector2.up)
        transform.localEulerAngles = new Vector3(0,0,180);
        if(direction == Vector2.right)
        transform.localEulerAngles = new Vector3(0,0,90);
        if(direction == Vector2.down)
        transform.localEulerAngles = new Vector3(0,0,0);
        if(direction == Vector2.left)
        transform.localEulerAngles = new Vector3(0,0,-90);
    }
    //武器有不同的攻击范围，选中角色时，可显示武器的攻击范围，并可以标记敌人。
    //显示攻击范围
    private void OnTriggerEnter2D(Collider2D other)
    {
        if(other.gameObject.tag == "Cell")
        {
            other.gameObject.GetComponent<Cell>().SetMask(true);
        }
    }
    //关闭显示攻击范围
    private void OnTriggerExit2D(Collider2D other)
    {
        if(other.gameObject.tag == "Cell")
        {
            other.gameObject.GetComponent<Cell>().SetMask(false);
        }
    }
    private void OnTriggerStay2D(Collider2D other)
    {
        //攻击功能
        if(Input.GetKeyDown("x"))
        {
            if(other.gameObject.layer == 8)
            {
                Cell cell = other.GetComponent<Cell>();
                Character enemy = cell.GetCurrentCharacter();
                if(enemy == null)   return;
                Character self = transform.parent.GetComponent<Character>();
                if(enemy.groupNumber == self.groupNumber)   return;
                //判定行动点是否足够
                if(self.GetCurrentMovement() >= movementCost)
                {
                    self.ChangeMovement(-movementCost);
                    if(cell.damage > 0)
                    {
                        self.ChangeHealth(-cell.damage);
                    }
                    enemy.ChangeHealth(-2);
                    enemy.ChangePoise(-poiseDamgage);
                    if(enemy.GetCurrentHealth() == 0)
                        Destroy(enemy.gameObject);
                }
            }
        }
    }
}