连连看消除算法

 

//连连看消除算法：(以具有7行8列的连连看为例)

//根据传入的两个点和BOOL型的二维数组mbGrid[9][10] (TRUE代表有图片，FALSE代表无图片)

//如果两点可以消去函数返回TRUE,否则返回FALSE

BOOL CGameLogic::RemoveAble(int x1, int y1, int x2, int y2)
...{
    int i,j,k=0;
    if ( (x1==x2 && (y1==y2-1 || y1==y2+1)) || (y1==y2 && (x1==x2-1 || x1==x2+1)) ) //相邻
    ...{
        return TRUE;
    } 
    else
    ...{
        //------------------------遍历与第1个点在同一行上的所有点------------------------
        for (i=0; i<10; i++)
        ...{
            if ( !m_bGrid[x1][i] ) //如果点为空（即图片不显示）
            ...{
                if (y2 > i) //如果第2点在空点右面(或斜右)
                ...{
                    for (j=y2-1; j>=i; j--) //遍历第2点到空点所在列对应点间的所有点
                    ...{
                        if ( m_bGrid[x2][j] ) //如果有一个非空则跳出
                        ...{
                            k = 0;
                            break;
                        }
                        k = 1; //k=1表示通过第一步验证
                    }
                    if (k == 1)
                    ...{
                        if (y1 > i) //第1点在空点右面或斜右
                        ...{
                            for (j=y1-1; j>=i; j--) //遍历第1点到空点间的所有点
                            ...{
                                if ( m_bGrid[x1][j] )
                                ...{
                                    k = 0;
                                    break;
                                }
                                k = 2; //k=2表示通过第2步验证
                            }
                        }
                        else if (y1 < i) //空点在第1点下面
                        ...{
                            for (j=y1+1; j<=i; j++)
                            ...{
                                if ( m_bGrid[x1][j] )
                                ...{
                                    k = 0;
                                    break;
                                }
                                k = 2;
                            }
                        }
                    }
                }
                else if (y2 < i)
                ...{
                    for (j=y2+1; j<=i; j++)
                    ...{
                        if ( m_bGrid[x2][j] )
                        ...{
                            k = 0;
                            break;
                        }
                        k = 1;
                    }
                    if (k == 1)
                    ...{
                        if (y1 > i) //第1点在空点右面或斜右
                        ...{
                            for (j=y1-1; j>=i; j--) //遍历第1点到空点间的所有点
                            ...{
                                if ( m_bGrid[x1][j] )
                                ...{
                                    k = 0;
                                    break;
                                }
                                k = 2; //k=2表示通过第2步验证
                            }
                        }
                        else if (y1 < i) //空点在第1点下面
                        ...{
                            for (j=y1+1; j<=i; j++)
                            ...{
                                if ( m_bGrid[x1][j] )
                                ...{
                                    k = 0;
                                    break;
                                }
                                k = 2;
                            }
                        }
                    }
                }
                else if (y2 == i)
                ...{
                    if (y1 > i) //第1点在空点右面或斜右
                    ...{
                        for (j=y1-1; j>=i; j--) //遍历第1点到空点间的所有点
                        ...{
                            if ( m_bGrid[x1][j] )
                            ...{
                                k = 0;
                                break;
                            }
                            k = 2; //k=2表示通过第2步验证
                        }
                    }
                    else if (y1 < i) //空点在第1点下面
                    ...{
                        for (j=y1+1; j<=i; j++)
                        ...{
                            if ( m_bGrid[x1][j] )
                            ...{
                                k = 0;
                                break;
                            }
                            k = 2;
                        }
                    }
                }
            } 
            if (k == 2)
            ...{
                if (x1 > x2) //第1点在第2点下面或斜下
                ...{
                    for (j=x1; j>=x2+1; j--)
                    ...{
                        if ( m_bGrid[j][i] )
                        ...{
                            k = 0;
                            break;
                        }
                        k = 3;
                    }
                }
                else if (x1 < x2)
                ...{
                    for (j=x1; j<=x2-1; j++)
                    ...{
                        if ( m_bGrid[j][i] )
                        ...{
                            k = 0;
                            break;
                        }
                        k = 3;
                    }
                }
                else if (x1 == x2)
                ...{
                    return TRUE;
                }
            }
            if (k == 3)
                return TRUE;
        }

        //-----------------遍历与第一个点在同一列上的所有点---------------------
        for (i=0; i<9; i++)
        ...{
            if ( !m_bGrid[i][y1] )
            ...{
                if (x2 > i)
                ...{
                    for (j=x2-1; j>=i; j--)
                    ...{
                        if ( m_bGrid[j][y2] )
                        ...{
                            k = 0;
                            break;
                        }
                        k = 1;
                    }
                    if (k == 1)
                    ...{
                        if (x1 > i)
                        ...{
                            for (j=x1-1; j>=i; j--)
                            ...{
                                if ( m_bGrid[j][y1] )
                                ...{
                                    k = 0;
                                    break;
                                }
                                k = 2;
                            }
                        }
                        else if (x1 < i)
                        ...{
                            for (j=x1+1; j<=i; j++)
                            ...{
                                if ( m_bGrid[j][y1] )
                                ...{
                                    k = 0;
                                    break;
                                }
                                k = 2;
                            }
                        }
                    }
                }
                else if (x2 < i)
                ...{
                    for (j=x2+1; j<=i; j++)
                    ...{
                        if ( m_bGrid[j][y2] )
                        ...{
                            k = 0;
                            break;
                        }
                        k = 1;
                    }
                    if (k == 1)
                    ...{
                        if (x1 > i)
                        ...{
                            for (j=x1-1; j>=i; j--)
                            ...{
                                if ( m_bGrid[j][y1] )
                                ...{
                                    k = 0;
                                    break;
                                }
                                k = 2;
                            }
                        }
                        else if (x1 < i)
                        ...{
                            for (j=x1+1; j<=i; j++)
                            ...{
                                if ( m_bGrid[j][y1] )
                                ...{
                                    k = 0;
                                    break;
                                }
                                k = 2;
                            }
                        }
                    }
                }
                else if (x2 == i)
                ...{
                    if (x1 > i)
                    ...{
                        for (j=x1-1; j>=i; j--)
                        ...{
                            if ( m_bGrid[j][y1] )
                            ...{
                                k = 0;
                                break;
                            }
                            k = 2;
                        }
                    }
                    else if (x1 < i)
                    ...{
                        for (j=x1+1; j<=i; j++)
                        ...{
                            if ( m_bGrid[j][y1] )
                            ...{
                                k = 0;
                                break;
                            }
                            k = 2;
                        }
                    }
                }
            }
            if (k == 2)
            ...{
                if (y1 > y2)
                ...{
                    for (j=y1; j>=y2+1; j--)
                    ...{
                        if ( m_bGrid[i][j] )
                        ...{
                            k = 0;
                            break;
                        }
                        k = 3;
                    }
                }
                else if (y1 < y2)
                ...{
                    for (j=y1; j<=y2-1; j++)
                    ...{
                        if ( m_bGrid[i][j] )
                        ...{
                            k = 0;
                            break;
                        }
                        k = 3;
                    }
                }
                else if (y1 == y2)
                ...{
                    return TRUE;
                }
            }
            if (k == 3)
                return TRUE;
        }
    }
    return FALSE;
}