setup

src/engine/main.cpp

@@ -1,11 +1,115 @@
-#include <bx/bx.h>
+#define WIN32_LEAN_AND_MEAN
+#include <Windows.h> 
+#undef min
+#undef max
 #include <cstdio>
+#include <libloaderapi.h>
+#include <bx/string.h>
+
+//#define VISUAL_STUDIO
+
+typedef void (*Startup)(void*);
+typedef void (*Update)();
+
+LRESULT CALLBACK WndProc(HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam)
+{
+  LRESULT Res = 0;
+  
+  switch (message)
+  {
+    default:
+    {
+      Res = DefWindowProcW(hwnd, message, wparam, lparam);
+      break;
+    }
+  }
+  return Res;
+}
+
+HWND InitWindow()
+{
+  uint32_t startWidth = 1920;
+  uint32_t startHeight = 1080;
+  HINSTANCE instance = (HINSTANCE)GetModuleHandle(NULL);
+
+  WNDCLASSEXW wnd;
+  bx::memSet(&wnd, 0, sizeof(wnd));
+  wnd.cbSize = sizeof(wnd);
+  wnd.style = CS_HREDRAW | CS_VREDRAW;
+  wnd.lpfnWndProc = WndProc;
+  wnd.hInstance = instance;
+  wnd.hIcon = LoadIcon(NULL, IDI_APPLICATION);
+  wnd.hCursor = LoadCursor(NULL, IDC_ARROW);
+  wnd.lpszClassName = L"EngineWin";
+  wnd.hIconSm = LoadIcon(NULL, IDI_APPLICATION);
+  RegisterClassExW(&wnd);
+  
+  HWND window = CreateWindowExW(0, L"EngineWin", L"PuzGame", WS_OVERLAPPEDWINDOW | WS_VISIBLE, 0, 0, startWidth, startHeight, NULL, NULL, instance, 0);
+  if (window == NULL)
+  {
+    DWORD err = GetLastError();
+    printf("Failed to create window: %#x!\n", err);
+  }
+  return window;
+}
 
 int main()
 {
-  while (true)
+  HWND window = InitWindow();
+  if (window == NULL) return 1;
+ 
+  char Buf[512];
+  GetCurrentDirectoryA(sizeof(Buf), Buf);
+
+#ifdef VISUAL_STUDIO
+  const char* dllPath = "Debug/PuzGame.dll";
+#else
+  const char* dllPath = "libPuzGame.dll";
+#endif
+  HMODULE gameLibModule = LoadLibraryEx(dllPath, NULL, 0);
+  if (gameLibModule == NULL)
   {
-    printf("a\n");
+    printf("Failed to load game DLL from %s!", dllPath);
+    return 1;
   }
-  return 1;
+
+#ifdef VISUAL_STUDIO
+  Startup StartFunc = (Startup)GetProcAddress(gameLibModule, "?Setup@Game@@YAXPEAX@Z");
+#else
+  Startup StartFunc = (Startup)GetProcAddress(gameLibModule, "_ZN4Game5SetupEPv");
+#endif
+  if (StartFunc == NULL)
+  {
+    printf("Failed to load startup function from game DLL!\n");
+    return 1;
+  }
+
+#ifdef VISUAL_STUDIO
+  Update UpdateFunc = (Update)GetProcAddress(gameLibModule, "?Update@Game@@YAXXZ");
+#else
+  Update UpdateFunc = (Update)GetProcAddress(gameLibModule, "_ZN4Game6UpdateEv");
+#endif
+  if (UpdateFunc == NULL)
+  {
+    printf("Failed to load update function from game DLL!\n");
+    return 1;
+  }
+
+  printf("Loaded Game DLL successfully!\n");
+  
+  StartFunc(window);
+  bool isRunning = true;
+  while (isRunning)
+  {
+    MSG Message;
+    BOOL MessageResult = GetMessage(&Message, 0, 0, 0);
+    if (MessageResult > 0)
+    {
+      TranslateMessage(&Message);
+      DispatchMessageW(&Message);
+    }
+    // UpdateFunc();
+    // Sleep(1000.0);
+  }
+  return 0;
 }