package tankgame2007;

import java.awt.Graphics;

public abstract class AbstractSprite { //這是Sprite父類
    int X, Y, width, height;
    boolean visible, active;
    int collisionX,collisionY;
    abstract public void paintSprite(Graphics g, int SpiritDirection);
    abstract public void paintSprite(Graphics g);
    abstract public void updateState(int SpiritDirection);

    public int getX(){  //獲得精靈X坐標值
        return X;
    }

    public int getY(){ //獲得精靈Y坐標值
        return Y;
    }

    public void setLocation(int X, int Y) { //設置精靈X，Y坐標值
        this.X = X;
        this.Y = Y;
    }

    public int getWidth(){ //獲得精靈的寬
        return width;
    }

    public int getHeight() { //獲得精靈的高
        return height;
    }

    public void setSize(int width, int height) { //設置精靈寬高值
        this.width = width;
        this.height = height;
    }

    public boolean canVisible() { //獲得精靈是否可見的屬性
        return visible;
    }

    public void setVisible(boolean v) {//設置精靈是否可見
        visible = v;
    }

    public boolean canMove() {//獲得精靈是否可移動的屬性
        return active;
    }

    public void setMove(boolean m) {//設置精靈是否可移動的屬性
        active = m;
    }

    //增加的方法：檢測碰撞算法1====================================================
    /*
    public boolean isCollided(AbstractSprite target) {
      boolean collided = false;
      if(this.visible == true && target.visible == true){
        //頭部碰撞
        if(this.getX() <= (target.getX()+ target.getWidth()) &&
           this.getX() >= target.getX()) {
          if((this.getY()+this.getHeight())>=target.getY()&&
             ((this.getY()+this.getHeight())<=
              (target.getY()+target.getHeight()))){  //左下角碰撞
            collided = true;
          }
          if((this.getY()<=(target.getY() + target.getHeight()))&&
             (this.getY()>=target.getY())){  //左上角碰撞
            collided = true;
          }
        }
        //尾部碰撞
        if(target.getX() <= (this.getX()+ this.getWidth()) &&
           target.getX() >= this.getX()) {
          if((this.getY()+this.getHeight())>=target.getY()&&
             ((this.getY()+this.getHeight())<=
              (target.getY()+target.getHeight()))){  //左下角碰撞
            collided = true;
          }
          if((this.getY()<=(target.getY() + target.getHeight()))&&
             (this.getY()>=target.getY())){  //左上角碰撞
            collided = true;
          }
        }
      }
      return collided;
    }
    */
    //檢測碰撞算法2-------------------------------------------------------------
    public boolean isCollided(AbstractSprite target) {
      boolean collided = false;
      if(this.visible == true && target.visible == true){
        int cX=(this.getX()+this.getWidth()/2)-
               (target.getX()+target.getWidth()/2);
        int cW=(this.getWidth()+target.getWidth())/2;
        int cY=(this.getY()+this.getHeight()/2)-
               (target.getY()+target.getHeight()/2);
        int cH=(this.getHeight()+target.getHeight())/2;
        if((java.lang.Math.abs(cX) < java.lang.Math.abs(cW)) &&
           (java.lang.Math.abs(cY) < java.lang.Math.abs(cH))){
            collided = true;
        }
      }
      return collided;
    }


  // 檢測與地圖的碰撞
  public boolean isCollide(int TileWidth,
                           int TileHeight,
                           int MapCols,
                           int moveDirection) {
    int mapRow = (this.Y) / TileHeight;
    int mapCol = (this.X) / TileWidth;
    int mapIndexOfLeftTop = mapRow * MapCols + mapCol;
    mapRow = (this.Y) / TileHeight;
    mapCol = (this.X + this.width) / TileWidth;
    int mapIndexOfRightTop = mapRow * MapCols + mapCol;
    mapRow = (this.Y + this.height) / TileHeight;
    mapCol = (this.X) / TileWidth;
    int mapIndexOfLeftBottom = mapRow * MapCols + mapCol;
    mapRow = (this.Y + this.height) / TileHeight;
    mapCol = (this.X + this.width) / TileWidth;
    int mapIndexOfRightBottom = mapRow * MapCols + mapCol;
    //======================================================================
    boolean collided = false;
    switch (moveDirection) {
      case 0:
        if ( (MapArray.wall[mapIndexOfLeftTop] > 0) ||
            ( (MapArray.wall[mapIndexOfLeftBottom] > 0))) {
         if(MapArray.wall[mapIndexOfLeftTop] > 0){
           collisionX = (mapIndexOfLeftTop%MapCols)*TileWidth+TileWidth+1;
         }else{
           collisionX = (mapIndexOfLeftBottom%MapCols)*TileWidth+TileWidth+1;
         }
          collided = true;
        }
        break;
      case 1:
        if ( (MapArray.wall[mapIndexOfRightTop] > 0) ||
            ( (MapArray.wall[mapIndexOfRightBottom] > 0))) {
         if(MapArray.wall[mapIndexOfRightTop] > 0){
           collisionX = (mapIndexOfRightTop%MapCols)*TileWidth-this.getWidth()-1;
         }else{
           collisionX = (mapIndexOfRightBottom%MapCols)*TileWidth-this.getWidth()-1;
         }
          collided = true;
        }
        break;
      case 2:
        if ( (MapArray.wall[mapIndexOfLeftTop] > 0) ||
            ( (MapArray.wall[mapIndexOfRightTop] > 0))) {
         if(MapArray.wall[mapIndexOfLeftTop] > 0){
           collisionY = (mapIndexOfLeftTop/MapCols+1)*TileHeight+1;
         }else{
           collisionY = (mapIndexOfRightTop/MapCols+1)*TileHeight+1;
         }
          collided = true;
        }
        break;
      case 3:
        if ( (MapArray.wall[mapIndexOfLeftBottom] > 0) ||
            ( (MapArray.wall[mapIndexOfRightBottom] > 0))) {
         if(MapArray.wall[mapIndexOfLeftBottom] > 0){
           collisionY = (mapIndexOfLeftBottom/MapCols)*TileHeight-this.getHeight()-1;
         }else{
           collisionY = (mapIndexOfRightBottom/MapCols)*TileHeight-this.getHeight()-1;
         }
          collided = true;
        }
    }
    return collided;
  }

    //====================================================================
}