Part6 完成

This commit is contained in:
2026-04-24 09:59:16 +08:00
parent c7b47bd880
commit 5f7d7d9949
6 changed files with 223 additions and 4 deletions
+222 -3
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@@ -1,9 +1,228 @@
#include "stdafx.h"
#include "Tetris.h"
/**
* @brief 完整绘制当前游戏界面。
*
* 该函数负责绘制窗口背景、游戏工作区边框、网格、已经固定的方块、
* 当前活动方块、预测落点、右侧信息面板以及游戏结束提示文字。
* 绘制过程只负责根据当前全局游戏状态进行显示,不修改任何游戏逻辑数据。
*
* @param hdc 当前窗口绘图设备上下文。
* @param hWnd 当前窗口句柄,用于获取客户区尺寸。
*/
void TDrawScreen(HDC hdc, HWND hWnd)
{
// TODO(作业20): 完整绘制游戏界面。
UNREFERENCED_PARAMETER(hdc);
UNREFERENCED_PARAMETER(hWnd);
RECT clientRect;
GetClientRect(hWnd, &clientRect);
HBRUSH backgroundBrush = CreateSolidBrush(RGB(245, 245, 245));
FillRect(hdc, &clientRect, backgroundBrush);
DeleteObject(backgroundBrush);
RECT gameRect =
{
GRID,
GRID,
GRID + nGameWidth * GRID,
GRID + nGameHeight * GRID
};
// 绘制游戏区背景
HBRUSH gameBrush = CreateSolidBrush(RGB(30, 30, 30));
FillRect(hdc, &gameRect, gameBrush);
DeleteObject(gameBrush);
// 绘制游戏区边框
HPEN borderPen = CreatePen(PS_SOLID, 2, RGB(80, 80, 80));
HPEN oldPen = (HPEN)SelectObject(hdc, borderPen);
HBRUSH oldBrush = (HBRUSH)SelectObject(hdc, GetStockObject(NULL_BRUSH));
Rectangle(hdc, gameRect.left, gameRect.top, gameRect.right, gameRect.bottom);
SelectObject(hdc, oldBrush);
SelectObject(hdc, oldPen);
DeleteObject(borderPen);
// 绘制网格线
HPEN gridPen = CreatePen(PS_SOLID, 1, RGB(55, 55, 55));
oldPen = (HPEN)SelectObject(hdc, gridPen);
for (int i = 1; i < nGameWidth; i++)
{
int x = gameRect.left + i * GRID;
MoveToEx(hdc, x, gameRect.top, nullptr);
LineTo(hdc, x, gameRect.bottom);
}
for (int i = 1; i < nGameHeight; i++)
{
int y = gameRect.top + i * GRID;
MoveToEx(hdc, gameRect.left, y, nullptr);
LineTo(hdc, gameRect.right, y);
}
SelectObject(hdc, oldPen);
DeleteObject(gridPen);
// 绘制已经固定的方块
for (int i = 0; i < nGameHeight; i++)
{
for (int j = 0; j < nGameWidth; j++)
{
if (workRegion[i][j] != 0)
{
int colorIndex = workRegion[i][j] - 1;
RECT brickRect =
{
gameRect.left + j * GRID + 1,
gameRect.top + i * GRID + 1,
gameRect.left + (j + 1) * GRID - 1,
gameRect.top + (i + 1) * GRID - 1
};
HBRUSH brickBrush = CreateSolidBrush(BrickColor[colorIndex]);
FillRect(hdc, &brickRect, brickBrush);
DeleteObject(brickBrush);
}
}
}
// 绘制预测落点
if (targetFlag)
{
HPEN targetPen = CreatePen(PS_DOT, 1, RGB(220, 220, 220));
oldPen = (HPEN)SelectObject(hdc, targetPen);
oldBrush = (HBRUSH)SelectObject(hdc, GetStockObject(NULL_BRUSH));
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
if (bricks[type][state][i][j] != 0)
{
int drawY = target.y + i;
int drawX = target.x + j;
if (drawY >= 0 && drawY < nGameHeight && drawX >= 0 && drawX < nGameWidth)
{
Rectangle(
hdc,
gameRect.left + drawX * GRID + 4,
gameRect.top + drawY * GRID + 4,
gameRect.left + (drawX + 1) * GRID - 4,
gameRect.top + (drawY + 1) * GRID - 4);
}
}
}
}
SelectObject(hdc, oldBrush);
SelectObject(hdc, oldPen);
DeleteObject(targetPen);
}
// 绘制当前活动方块
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
if (bricks[type][state][i][j] != 0)
{
int drawY = point.y + i;
int drawX = point.x + j;
if (drawY >= 0 && drawY < nGameHeight && drawX >= 0 && drawX < nGameWidth)
{
RECT brickRect =
{
gameRect.left + drawX * GRID + 1,
gameRect.top + drawY * GRID + 1,
gameRect.left + (drawX + 1) * GRID - 1,
gameRect.top + (drawY + 1) * GRID - 1
};
HBRUSH brickBrush = CreateSolidBrush(BrickColor[type]);
FillRect(hdc, &brickRect, brickBrush);
DeleteObject(brickBrush);
}
}
}
}
// 绘制右侧信息面板
SetBkMode(hdc, TRANSPARENT);
SetTextColor(hdc, RGB(40, 40, 40));
RECT infoRect =
{
gameRect.right + GRID,
gameRect.top,
clientRect.right - GRID,
gameRect.bottom
};
DrawText(hdc, _T("Tetris"), -1, &infoRect, DT_TOP | DT_LEFT | DT_SINGLELINE);
TCHAR scoreText[64];
_stprintf_s(scoreText, _T("Score: %d"), tScore);
TextOut(hdc, infoRect.left, infoRect.top + GRID * 2, scoreText, lstrlen(scoreText));
TextOut(hdc, infoRect.left, infoRect.top + GRID * 4, _T("Next:"), 5);
RECT nextRect =
{
infoRect.left,
infoRect.top + GRID * 5,
infoRect.left + GRID * 4,
infoRect.top + GRID * 9
};
HBRUSH nextBackBrush = CreateSolidBrush(RGB(220, 220, 220));
FillRect(hdc, &nextRect, nextBackBrush);
DeleteObject(nextBackBrush);
HPEN nextBorderPen = CreatePen(PS_SOLID, 1, RGB(120, 120, 120));
oldPen = (HPEN)SelectObject(hdc, nextBorderPen);
oldBrush = (HBRUSH)SelectObject(hdc, GetStockObject(NULL_BRUSH));
Rectangle(hdc, nextRect.left, nextRect.top, nextRect.right, nextRect.bottom);
SelectObject(hdc, oldBrush);
SelectObject(hdc, oldPen);
DeleteObject(nextBorderPen);
// 绘制下一方块预览
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
if (bricks[nType][0][i][j] != 0)
{
RECT brickRect =
{
nextRect.left + j * GRID,
nextRect.top + i * GRID,
nextRect.left + (j + 1) * GRID,
nextRect.top + (i + 1) * GRID
};
HBRUSH brickBrush = CreateSolidBrush(BrickColor[nType]);
FillRect(hdc, &brickRect, brickBrush);
DeleteObject(brickBrush);
}
}
}
TextOut(hdc, infoRect.left, infoRect.top + GRID * 11, _T("Controls:"), 9);
TextOut(hdc, infoRect.left, infoRect.top + GRID * 12, _T("Arrow Keys"), 10);
TextOut(hdc, infoRect.left, infoRect.top + GRID * 13, _T("Space: Drop"), 11);
if (suspendFlag)
{
TextOut(hdc, infoRect.left, infoRect.top + GRID * 15, _T("Paused"), 6);
}
if (gameOverFlag)
{
RECT overRect = gameRect;
SetTextColor(hdc, RGB(255, 80, 80));
DrawText(hdc, _T("GAME OVER"), -1, &overRect, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
}
}