kotlin实现五子棋单机游戏

package wjc.kotlintest

import android.content.Context
import android.graphics.Canvas
import android.graphics.Color
import android.graphics.Paint
import android.util.AttributeSet
import android.view.View

/**
 * Created by wjc on 2019/12/9.
 */
class MyCustomView : View {

 var paint: Paint = Paint()
 var paintWhite: Paint = Paint()
 var paintBlack: Paint = Paint()
 val H: Int = 12
 val V: Int = 12
 var list = arrayListOf<Data>()//白子和黑子
 var listW = arrayListOf<Data>()//白子
 var listB = arrayListOf<Data>()//黑子

 var wSuccess: Boolean = false //白旗获胜标志
 var bSuccess: Boolean = false //黑棋获胜标志

 init {
  paintWhite.color = Color.WHITE
  paintWhite.style = Paint.Style.FILL
  paintBlack.color = Color.BLACK
  paintBlack.style = Paint.Style.FILL
 }

 constructor(context: Context) : this(context, null)
 constructor(context: Context, attr: AttributeSet?) : this(context, attr, 0)
 constructor(context: Context, attr: AttributeSet?, defStyleAttr: Int) : super(context, attr, defStyleAttr)

 override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
  super.onMeasure(widthMeasureSpec, heightMeasureSpec)
  val widthMode: Int = MeasureSpec.getMode(widthMeasureSpec)
  val widthSize: Int = MeasureSpec.getSize(widthMeasureSpec)
  val heightMode: Int = MeasureSpec.getMode(heightMeasureSpec)
  val heightSize: Int = MeasureSpec.getSize(heightMeasureSpec)
  if (widthMode == MeasureSpec.AT_MOST && heightMode == MeasureSpec.AT_MOST) {
   setMeasuredDimension(760, 760)
  } else if (widthMode == MeasureSpec.AT_MOST) {
   setMeasuredDimension(760, heightSize)
  } else if (heightMode == MeasureSpec.AT_MOST) {
   setMeasuredDimension(widthSize, 760)
  }
 }

 override fun draw(canvas: Canvas?) {
  super.draw(canvas)
  for (i in 0..H) {
   canvas!!.drawLine(20f, 20f + 60 * i, 740f, 20f + 60 * i, paint)
  }
  for (j in 0..V) {
   canvas!!.drawLine(20f + 60 * j, 20f, 20f + 60 * j, 740f, paint)
  }
  if (listW.size != 0) {
   for (item in listW) {
    canvas!!.drawCircle(item.point.x * 60 + 20f, item.point.y * 60 + 20f, 15f, paintWhite)

   }
  }
  if (listB.size != 0) {
   for (item in listB) {
    canvas!!.drawCircle(item.point.x * 60 + 20f, item.point.y * 60 + 20f, 15f, paintBlack)
   }
  }
 }

 fun addData(data: Data) {
  if (list.size == 0) {
   list.add(data)
   listW.add(data)
   return
  }
  if (!select(data)) {
   list.add(data)
   if (listW.size == listB.size) {
    //白旗是否获胜
    wSuccess = isSuccess(data, listW)
    //白旗走
    listW.add(data)
   } else {
    //黑棋是否获胜
    bSuccess = isSuccess(data, listB)
    //黑棋走
    listB.add(data)
   }
  }
 }

 fun select(data: Data): Boolean {
  for (item in list) {
   if (data.equals(item))
    return true
  }
  return false
 }

 fun isSuccess(data: Data, arry: List<Data>): Boolean {
  return horizontalErgodic(data, arry) || verticalErgodic(data, arry) || acrossErgodic(data, arry)
 }

 //横向遍历
 fun horizontalErgodic(data: Data, arry: List<Data>): Boolean {
  //记录连续的棋子数，凑成5个即一方获胜
  var rn = 0
  var ln = 0
  //向右遍历，y相同，x递增
  for (i in 1..5) {
   var _rn: Int = i
   for (item in arry) {
    if (data.point.y == item.point.y) {
     if (data.point.x + i == item.point.x) {
      rn++
      break
     }
    }
   }
   if (_rn != rn) {
    break
   }
  }
  //一方获胜，游戏结束
  if (rn == 4) {
   return true
  }
  //向左遍历，y相同，x递减
  for (i in 1..5) {
   var _ln: Int = i
   for (item in arry) {
    if (data.point.y == item.point.y && data.point.x - i == item.point.x) {
     ln++
     break
    }
   }
   if (_ln != ln) {
    break
   }
  }
  //一方获胜，游戏结束
  if (ln == 4) {
   return true
  }
  //向左向右
  return ln + rn >= 4
 }

 //纵向遍历
 fun verticalErgodic(data: Data, arry: List<Data>): Boolean {
  //记录连续的棋子数，凑成5个即一方获胜
  var tn = 0
  var bn = 0
  //向上遍历，x相同，y递增
  for (i in 1..5) {
   val _tn: Int = i
   for (item in arry) {
    if (data.point.x == item.point.x && data.point.y + i == item.point.y) {
     tn++
     break
    }
   }
   if (_tn != tn) {
    break
   }
  }
  //一方获胜，游戏结束
  if (tn == 4) {
   return true
  }
  //向下遍历，x相同，y递减
  for (i in 1..5) {
   val _bn: Int = i
   for (item in arry) {
    if (data.point.x == item.point.x && data.point.y - i == item.point.y) {
     bn++
     break
    }
   }
   if (_bn != bn) {
    break
   }
  }
  if (bn == 4) {
   return true
  }
  //向左向右
  return bn + tn >= 4
 }

 //对角遍历
 fun acrossErgodic(data: Data, arry: List<Data>): Boolean {
  var lt = 0 //左上方向连续棋子个数
  var lb = 0 //左下方向连续棋子个数
  var rt = 0 //右上方向连续棋子个数
  var rb = 0 //右下方向连续棋子个数
  //右下方向遍历
  for (i in 1..5) {
   val _rb: Int = i
   for (item in arry) {
    if (data.point.x + i == item.point.x && data.point.y + i == item.point.y) {
     rb++
     break
    }
   }
   if (_rb != rb) {
    break
   }
  }
  if (rb == 4) {
   return true
  }
  //左上方向遍历
  for (i in 1..5) {
   val _lt: Int = i
   for (item in arry) {
    if (data.point.x - i == item.point.x && data.point.y - i == item.point.y) {
     lt++
     break
    }
   }
   if (_lt != lt) {
    break
   }
  }
  if (lt == 4) {
   return true
  }
  //左上右下这条对角线
  if (lt + rb >= 4) {
   return true
  }
  //右上遍历
  for (i in 1..5) {
   val _rt: Int = i
   for (item in arry) {
    if (data.point.x + i == item.point.x && data.point.y - i == item.point.y) {
     rt++
     break
    }
   }
   if (_rt != rt) {
    break
   }
  }
  if (rt == 4) {
   return true
  }
  //左下遍历
  for (i in 1..5) {
   val _lb: Int = i
   for (item in arry) {
    if (data.point.x - i == item.point.x && data.point.y + i == item.point.y) {
     lb++
     break
    }
   }
   if (_lb != lb) {
    break
   }
  }
  if (lb == 4) {
   return true
  }
  //左下右上这条对角线
  return lb + rt >= 4
 }

 fun reset() {
  list.clear()
  listW.clear()
  listB.clear()
  wSuccess = false
  bSuccess = false
 }
}

package wjc.kotlintest

import android.graphics.Point
import android.support.v7.app.AppCompatActivity
import android.os.Bundle
import android.view.MotionEvent
import android.widget.Toast
import kotlinx.android.synthetic.main.activity_main.*

class MainActivity : AppCompatActivity() {
 override fun onCreate(savedInstanceState: Bundle?) {
  super.onCreate(savedInstanceState)
  setContentView(R.layout.activity_main)
  custom_view.setOnTouchListener { v, e ->
   when (e.action) {
    MotionEvent.ACTION_DOWN -> {
     val x = e.x
     val y = e.y
     val x_n: Int = ((x - 20) / 60f + 0.5f).toInt()
     val y_n: Int = ((y - 20) / 60f + 0.5f).toInt()
     val data = Data(Point(x_n, y_n))
     custom_view.addData(data)
     custom_view.invalidate()
     if (custom_view.wSuccess) {
      Toast.makeText(this, "白旗获胜！", Toast.LENGTH_LONG).show()
      custom_view.setEnabled(false)
     } else if (custom_view.bSuccess) {
      Toast.makeText(this, "黑棋获胜！", Toast.LENGTH_LONG).show()
      custom_view.setEnabled(false)
     }
    }
   }
   return@setOnTouchListener true
  }
  reset.setOnClickListener {
   custom_view.reset()
   custom_view.invalidate()
   custom_view.setEnabled(true)
  }
 }
}

package wjc.kotlintest

import android.graphics.Point

/**
 * Created by wjc on 2019/12/10.
 */
data class Data(val point: Point) {
 override fun equals(other: Any?): Boolean {
  if (other is Data) {
   if (point.x == other.point.x && point.y == other.point.y) {
    return true
   } else {
    return false
   }
  } else {
   return false
  }
 }
}