Brick4.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;

namespace Tetris
{
    class Brick4:Brick
    {
        public Brick4()
        {
            m_curTransforIndex = 0;
            m_needfulRows = 3;
            m_needfulColumns = 3;
            m_range = new int[3, 3]{{0,0,0},
                                    {1,1,0},
                                    {0,1,1}};
            m_center = new Point(1, 1);
        }

        public override bool CanTransform(int[,] arr, int rows, int columns)
        {
            bool result = true;
            if (m_Pos.X - 1 >= 0 && m_Pos.X + 1 <= rows - 1 && m_Pos.Y - 1 >= 0 && m_Pos.Y + 1 <= columns - 1)
            {
                for (int i = -1; i < 2; i++)
                {
                    for (int j = -1; j < 2; j++)
                    {
                        switch (m_curTransforIndex)
                        {
                            case 0:
                                if (i == 0 && j == -1 || i == 0 && j == 0 || i == 1 && j == 0 || i == 1 && j == 1)
                                    continue;
                                break;
                            case 1:
                                if (i == -1 && j == 0 || i == 0 && j == 0 || i == 0 && j == -1 || i == 1 && j == -1)
                                    continue;
                                break;
                            case 2:
                                if (i == -1 && j == -1 || i == -1 && j == 0 || i == 0 && j == 0 || i == 0 && j == 1)
                                    continue;
                                break;
                            case 3:
                                if (i == -1 && j == 1 || i == 0 && j == 0 || i == 0 && j == 1 || i == 1 && j == 0)
                                    continue;
                                break;
                            default:
                                break;
                        }
                        if (arr[m_Pos.X + i, m_Pos.Y + j] == 1)
                        {
                            result = false;
                            goto break1;
                        }
                    }
                }
            }
            break1:return result;