再次整理文件结构
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#include "stdafx.h"
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/**
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* @file TetrisCoreHelpers.cpp
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* @brief 存放基础逻辑框架函数之外的内部辅助流程。
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*/
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#include "Tetris.h"
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#include "TetrisLogicInternal.h"
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/**
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* @brief 计算指定方块在指定旋转状态下的最小包围盒边界。
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*
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* 该函数会遍历 4x4 形状矩阵，找出所有非空单元的上下左右边界，
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* 供后续统一计算生成位置和对齐方式时使用。
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*
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* @param brickType 方块类型编号。
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* @param brickState 方块旋转状态编号。
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* @param minRow 返回最上方非空行号。
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* @param maxRow 返回最下方非空行号。
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* @param minCol 返回最左侧非空列号。
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* @param maxCol 返回最右侧非空列号。
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*/
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static void GetBrickBounds(int brickType, int brickState, int& minRow, int& maxRow, int& minCol, int& maxCol)
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{
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minRow = 4;
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maxRow = -1;
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minCol = 4;
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maxCol = -1;
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for (int i = 0; i < 4; i++)
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{
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for (int j = 0; j < 4; j++)
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{
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if (bricks[brickType][brickState][i][j] != 0)
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{
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if (i < minRow)
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{
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minRow = i;
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}
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if (i > maxRow)
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{
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maxRow = i;
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}
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if (j < minCol)
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{
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minCol = j;
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}
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if (j > maxCol)
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{
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maxCol = j;
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}
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}
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}
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}
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}
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/**
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* @brief 计算指定方块的统一生成位置。
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*
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* 该函数会根据方块在初始旋转状态下的最小包围盒，
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* 自动把方块水平居中到游戏区附近，并将顶部非空行对齐到可视区域顶部。
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* 这样不同形状的方块在生成时看起来会更加统一。
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*
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* @param brickType 方块类型编号。
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* @return Point 计算得到的生成坐标。
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*/
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Point GetSpawnPoint(int brickType)
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{
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int minRow, maxRow, minCol, maxCol;
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GetBrickBounds(brickType, 0, minRow, maxRow, minCol, maxCol);
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int brickWidth = maxCol - minCol + 1;
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int brickHeight = maxRow - minRow + 1;
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Point spawnPoint;
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spawnPoint.x = (nGameWidth - brickWidth) / 2 - minCol;
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spawnPoint.y = -brickHeight;
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return spawnPoint;
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}
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/**
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* @brief 收集当前方块将要固定到棋盘上的格子，并标记是否越过顶部。
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* @param overflowTop 返回是否有方块格位于可视区域顶部之外。
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* @param fixedCells 返回普通落地格，用于后续特殊效果定位。
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* @param fixedCellCount 返回普通落地格数量。
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* @param explosiveCells 返回爆破方块落地格。
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* @param explosiveCellCount 返回爆破方块落地格数量。
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*/
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void CollectAndWriteFixedCells(
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bool& overflowTop,
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Point fixedCells[],
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int& fixedCellCount,
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Point explosiveCells[],
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int& explosiveCellCount)
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{
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overflowTop = false;
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fixedCellCount = 0;
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explosiveCellCount = 0;
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for (int i = 0; i < 4; i++)
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{
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for (int j = 0; j < 4; j++)
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{
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if (bricks[type][state][i][j] == 0)
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{
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continue;
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}
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int fixY = point.y + i;
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int fixX = point.x + j;
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// 顶部溢出只记录状态，真正的复活或结束逻辑在后续统一处理。
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if (fixY < 0)
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{
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overflowTop = true;
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}
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if (fixY >= 0 && fixY < GetRoguePlayableHeight() && fixX >= 0 && fixX < nGameWidth)
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{
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workRegion[fixY][fixX] = currentPieceIsRainbow ? 8 : bricks[type][state][i][j];
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if (fixedCellCount < 4)
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{
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fixedCells[fixedCellCount].x = fixX;
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fixedCells[fixedCellCount].y = fixY;
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fixedCellCount++;
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}
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if (currentPieceIsExplosive && explosiveCellCount < 4)
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{
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explosiveCells[explosiveCellCount].x = fixX;
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explosiveCells[explosiveCellCount].y = fixY;
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explosiveCellCount++;
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}
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}
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}
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}
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}
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/**
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* @brief 处理方块固定时的顶部溢出、终末清场和最后一搏。
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* @param overflowTop 是否出现顶部溢出。
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* @return 溢出已被处理且游戏可以继续时返回 true；需要结束游戏时返回 false。
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*/
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bool ResolveFixingOverflow(bool overflowTop)
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{
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if (!overflowTop)
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{
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return true;
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}
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if (currentMode == MODE_ROGUE && rogueStats.terminalClearLevel > 0 && rogueStats.lastChanceCount > 0 && rogueStats.screenBombCount > 0)
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{
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rogueStats.lastChanceCount--;
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rogueStats.screenBombCount--;
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int clearedByTerminal = TriggerScreenBomb();
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rogueStats.feverTicks = 10;
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currentFallInterval = GetRogueFallInterval();
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TCHAR terminalDetail[128];
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_stprintf_s(
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terminalDetail,
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_T("终末清场启动，清除 %d 格，并进入 10 秒狂热。"),
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clearedByTerminal);
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SetFeedbackMessage(_T("终末清场"), terminalDetail, 14);
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return true;
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}
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if (currentMode == MODE_ROGUE && rogueStats.lastChanceCount > 0)
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{
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rogueStats.lastChanceCount--;
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for (int i = 0; i < 3; i++)
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{
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DeleteOneLine(GetRoguePlayableHeight() - 1);
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}
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SetFeedbackMessage(
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_T("最后一搏"),
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_T("底部 3 行被清除，战局得以延续。"),
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14);
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return true;
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}
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gameOverFlag = true;
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return false;
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}
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/**
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* @brief 生成下一枚活动方块，并刷新 Hold、特殊方块和预测落点状态。
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*/
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void SpawnNextFallingPiece()
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{
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// 消耗预览队列后重置本回合状态，确保 Hold 和特殊标记只影响新方块。
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type = ConsumeNextType();
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nType = nextTypes[0];
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state = 0;
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holdUsedThisTurn = false;
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RollCurrentPieceSpecialFlags(true);
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point = GetSpawnPoint(type);
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target = point;
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ComputeTarget();
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}
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/**
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* @brief 从底向上扫描满行并删除，记录本次消除的原始行号。
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* @param clearedRows 返回最多 8 个被消除行号，用于播放消行动画。
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* @param clearedRowCount 返回记录的行号数量。
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* @return 本次标准消行数量。
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*/
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int ScanAndDeleteFullLines(int clearedRows[], int& clearedRowCount)
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{
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int clearedLines = 0;
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clearedRowCount = 0;
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int playableHeight = GetRoguePlayableHeight();
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for (int i = playableHeight - 1; i >= 0; i--)
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{
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bool fullLine = true;
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for (int j = 0; j < nGameWidth; j++)
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{
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if (workRegion[i][j] == 0)
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{
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fullLine = false;
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break;
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}
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}
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if (fullLine)
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{
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if (clearedRowCount < 8)
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{
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clearedRows[clearedRowCount] = i;
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clearedRowCount++;
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}
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DeleteOneLine(i);
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clearedLines++;
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i++;
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}
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}
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return clearedLines;
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}
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/**
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* @brief 根据当前界面状态立即播放或暂存消行动画。
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* @param clearedRows 已消除行号数组。
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* @param clearedRowCount 行号数量。
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* @param clearedLines 本次消行数量。
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*/
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void DispatchLineClearEffect(const int clearedRows[], int clearedRowCount, int clearedLines)
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{
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if (currentScreen == SCREEN_UPGRADE)
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{
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QueueLineClearEffect(clearedRows, clearedRowCount, clearedLines);
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}
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else
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{
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TriggerLineClearEffect(clearedRows, clearedRowCount, clearedLines);
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}
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}
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/**
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* @brief 处理连环炸弹因消行触发的一次追加 3x3 爆破。
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* @param clearedLines 本次标准消行数量。
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*/
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void ResolveChainBombFollowup(int clearedLines)
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{
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if (!pendingChainBombFollowup || clearedLines <= 0)
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{
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pendingChainBombFollowup = false;
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return;
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}
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pendingChainBombFollowup = false;
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int followupCleared = 0;
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int centerY = pendingChainBombCenter.y;
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int centerX = pendingChainBombCenter.x;
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Point followupCells[9] = {};
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for (int y = centerY - 1; y <= centerY + 1; y++)
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{
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for (int x = centerX - 1; x <= centerX + 1; x++)
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{
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if (y >= 0 && y < GetRoguePlayableHeight() && x >= 0 && x < nGameWidth && workRegion[y][x] != 0)
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{
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if (followupCleared < 9)
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{
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followupCells[followupCleared].x = x;
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followupCells[followupCleared].y = y;
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}
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workRegion[y][x] = 0;
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followupCleared++;
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}
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}
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}
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if (currentMode == MODE_ROGUE && followupCleared > 0)
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{
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TriggerCellClearEffect(followupCells, followupCleared < 9 ? followupCleared : 9, true);
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int followupScore = 0;
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int followupExp = 0;
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AwardRogueSkillClearRewards(followupCleared, followupScore, followupExp, false);
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TCHAR followupDetail[128];
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_stprintf_s(
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followupDetail,
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_T("追加爆炸清除 %d 格 +%d 分 +%d EXP"),
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followupCleared,
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followupScore,
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followupExp);
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SetFeedbackMessage(_T("连环炸弹"), followupDetail, 12);
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}
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}
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