项目架构重构，代码整理

2026-04-28 22:44:31 +08:00
parent 2f435f5ca6
commit 0840a807b5
18 changed files with 2332 additions and 1893 deletions
@@ -0,0 +1,138 @@
+#include "stdafx.h"
+#include "TetrisRenderInternal.h"
+#include "TetrisAssets.h"
+#include <objidl.h>
+#include <string>
+
+#pragma comment(lib, "gdiplus.lib")
+
+using namespace Gdiplus;
+
+/**
+ * @brief 尝试从指定路径加载 GDI+ 位图。
+ */
+static Bitmap* TryLoadBitmap(const std::wstring& path)
+{
+    if (path.empty() || !FileExists(path))
+    {
+        return nullptr;
+    }
+
+    Bitmap* loadedImage = Bitmap::FromFile(path.c_str(), FALSE);
+    if (loadedImage != nullptr && loadedImage->GetLastStatus() == Ok)
+    {
+        return loadedImage;
+    }
+
+    delete loadedImage;
+    return nullptr;
+}
+
+/**
+ * @brief 确保 GDI+ 已初始化，返回初始化是否成功。
+ */
+static bool EnsureGdiplusStarted()
+{
+    static ULONG_PTR gdiplusToken = 0;
+    static bool attempted = false;
+    static bool started = false;
+
+    if (!attempted)
+    {
+        attempted = true;
+        GdiplusStartupInput startupInput;
+        started = GdiplusStartup(&gdiplusToken, &startupInput, nullptr) == Ok;
+    }
+
+    return started;
+}
+
+/**
+ * @brief 加载并缓存主背景图片。
+ */
+Bitmap* LoadBackgroundImage()
+{
+    static Bitmap* backgroundImage = nullptr;
+    static bool attempted = false;
+
+    if (!attempted)
+    {
+        attempted = true;
+
+        if (EnsureGdiplusStarted())
+        {
+            const std::wstring candidates[] =
+            {
+                BuildAssetPath(L"assets\\images\\background.png"),
+                BuildWorkingDirAssetPath(L"assets\\images\\background.png"),
+                BuildAssetPath(L"assets\\images\\background.bmp"),
+                BuildWorkingDirAssetPath(L"assets\\images\\background.bmp")
+            };
+
+            for (const std::wstring& candidate : candidates)
+            {
+                backgroundImage = TryLoadBitmap(candidate);
+                if (backgroundImage != nullptr)
+                {
+                    break;
+                }
+            }
+        }
+    }
+
+    return backgroundImage;
+}
+
+/**
+ * @brief 按序号加载并缓存致谢页图片。
+ */
+Bitmap* LoadCreditImage(int index)
+{
+    constexpr int creditPageCount = 4;
+    static Bitmap* creditImages[creditPageCount] = {};
+    static bool attempted[creditPageCount] = {};
+
+    if (index < 0 || index >= creditPageCount)
+    {
+        return nullptr;
+    }
+
+    if (!attempted[index])
+    {
+        attempted[index] = true;
+
+        if (EnsureGdiplusStarted())
+        {
+            const wchar_t* imageNames[creditPageCount] =
+            {
+                L"assets\\images\\qls.jpg",
+                L"assets\\images\\wyk.jpg",
+                L"assets\\images\\swj.jpg",
+                L"assets\\images\\qhy.jpg"
+            };
+            const std::wstring creditExtraCandidates[] =
+            {
+                BuildAssetPath(imageNames[index]),
+                BuildWorkingDirAssetPath(imageNames[index]),
+                BuildAssetPath(L"assets\\images\\qhy.png"),
+                BuildWorkingDirAssetPath(L"assets\\images\\qhy.png"),
+                BuildAssetPath(L"assets\\images\\qhy.jpeg"),
+                BuildWorkingDirAssetPath(L"assets\\images\\qhy.jpeg"),
+                BuildAssetPath(L"assets\\images\\qhy.bmp"),
+                BuildWorkingDirAssetPath(L"assets\\images\\qhy.bmp")
+            };
+            int candidateCount = (index == 3) ? 8 : 2;
+
+            for (int i = 0; i < candidateCount; i++)
+            {
+                creditImages[index] = TryLoadBitmap(creditExtraCandidates[i]);
+                if (creditImages[index] != nullptr)
+                {
+                    break;
+                }
+            }
+        }
+    }
+
+    return creditImages[index];
+}