Box.py

from PyQt5.QtCore import QRect, Qt, QPoint, QSize
from PyQt5.QtGui import QPen, QColor
from PyQt5.QtWidgets import QWidget

class Box(QWidget):
    """
    方块类，继承自QWidget。
    负责描述游戏地图中的每一个方块的属性和状态。
    """
    def __init__(self, boxWidth, boxHeight, leftTopX, leftTopY, boxType=0, parent=None):
        """
        初始化方块对象。
        :param boxWidth: 方块宽度
        :param boxHeight: 方块高度
        :param leftTopX: 左上角x坐标
        :param leftTopY: 左上角y坐标
        :param boxType: 方块类型（0为空，其他为不同类型）
        :param parent: 父级QWidget
        """
        super().__init__(parent)

        self.boxWidth = boxWidth  # 方块宽度
        self.boxHeight = boxHeight  # 方块高度
        self.leftTopX = leftTopX  # 左上角x
        self.leftTopY = leftTopY  # 左上角y
        self.boxType = boxType    # 方块类型

        self.edgeLen = min(boxWidth, boxHeight) / 20  # 边框长度

        self.isRemoved = False   # 是否被移除（逻辑上）
        self.isSelected = False  # 是否被选中
        self.isHinted = False    # 是否为提示方块
        self.boxRow = None       # 行号
        self.boxCol = None       # 列号

        self.boxColor = None        # 方块颜色
        self.boxEdgeColor = None    # 边框颜色

        self.paintRemoved = False #画出来消除了

    def drawBox(self, painter):
        """绘制方块，包括类型和提示标记"""
        boxRect = QRect(int(self.leftTopX), int(self.leftTopY), self.boxWidth, self.boxHeight)
        painter.drawRect(boxRect)
        painter.setPen(Qt.black)
        painter.drawText(boxRect, Qt.AlignCenter, str(self.boxType))

        if self.isHinted:
            pen = QPen(Qt.white, 2)
            painter.setPen(pen)

            p1 = QPoint(self.leftTopX, self.leftTopY)
            p2 = QPoint(self.leftTopX + self.boxWidth, self.leftTopY)
            p3 = QPoint(self.leftTopX + self.boxWidth, self.leftTopY + self.boxHeight)
            p4 = QPoint(self.leftTopX, self.leftTopY + self.boxHeight)

            painter.drawLine(p1, p3)
            painter.drawLine(p2, p4)

    def setBoxEdgeColor(self):
        """设置方块边框颜色，选中为黄色，未选中为灰色，空为黑色"""
        if self.boxType != 0:
            if self.isSelected:
                self.boxEdgeColor = QColor(Qt.yellow)
            else:
                self.boxEdgeColor = QColor(Qt.gray)
        else:
            self.boxEdgeColor = QColor(Qt.black)

    def getEdgeLen(self):
        """获取边框长度"""
        return self.edgeLen

    def setBoxEdgeLen(self):
        """设置边框长度，选中时更粗"""
        if self.isSelected:
            self.edgeLen = min(self.boxWidth, self.boxHeight) / 10
        else:
            self.edgeLen = min(self.boxWidth, self.boxHeight) / 20

    def updateBox(self):
        """更新方块的边框颜色和长度"""
        self.setBoxEdgeColor()
        self.setBoxEdgeLen()

    def setBoxType(self, boxtype=0):
        """设置方块类型"""
        self.boxType = boxtype

    def getBoxType(self):
        """获取方块类型"""
        return self.boxType

    def getLeftTopX(self):
        """获取左上角x坐标"""
        return self.leftTopX

    def getLeftTopY(self):
        """获取左上角y坐标"""
        return self.leftTopY

    def setXandY(self, x, y):
        """设置左上角坐标"""
        self.leftTopX = x
        self.leftTopY = y

    def getBoxWidth(self):
        """获取方块宽度"""
        return self.boxWidth

    def getBoxHeight(self):
        """获取方块高度"""
        return self.boxHeight

    def setBoxWeiandHei(self, wid, hei):
        """设置方块宽高"""
        self.boxWidth = wid
        self.boxHeight = hei

    def isBoxSelected(self):
        """判断方块是否被选中"""
        return self.isSelected

    def setBoxSelected(self, status):
        """设置方块选中状态"""
        self.isSelected = status

    def getBoxEdgeColor(self):
        """获取方块边框颜色"""
        return self.boxEdgeColor

    def setBoxColor(self, color):
        """设置方块颜色"""
        self.boxColor = color

    def getBoxColor(self):
        """获取方块颜色"""
        return self.boxColor

    def removeBox(self):
        """移除方块（设置为已移除）"""
        self.isRemoved = True

    def notRemoved(self):
        """恢复方块（设置为未移除）"""
        self.isRemoved = False

    def isBoxRemoved(self):
        """判断方块是否被移除"""
        return self.isRemoved

    def setBoxRemoved(self, status):
        """设置方块移除状态"""
        self.isRemoved = status

    def isBoxExist(self):
        """判断是否为有效方块（非空、未移除、非特殊类型4）"""
        return self.boxType != 0 and (self.isRemoved == False) and self.boxType != 4

    def isBoxOrItemExist(self):
        """判断是否为有效方块或道具（非空且未移除）"""
        return self.boxType != 0 and (self.isRemoved == False)

    def setBoxRowCol(self, row, col):
        """设置方块的行列号"""
        self.boxRow = row
        self.boxCol = col

    def getBoxRow(self):
        """获取方块行号"""
        return self.boxRow

    def getBoxCol(self):
        """获取方块列号"""
        return self.boxCol

    def getHintStatus(self):
        """获取方块是否为提示状态"""
        return self.isHinted

    def setHintStatus(self, status):
        """设置方块提示状态"""
        self.isHinted = status