fix: restore Windows input hooks lost during rebase

Reinstate Win32 mouse message handling, startup working-directory setup, and container mouse action dispatch so post-rebase keyboard/mouse behavior matches pre-rebase functionality.

Minecraft.Client/Common/UI/UIScene_AbstractContainerMenu.cpp

@@ -83,6 +83,7 @@ UIScene_AbstractContainerMenu::UIScene_AbstractContainerMenu(int iPad, UILayer *
 	ui.OverrideSFX(m_iPad,ACTION_MENU_DOWN,true);
 
 	m_bIgnoreInput=false;
+	m_bMouseDragSlider=false;
 }
 
 UIScene_AbstractContainerMenu::~UIScene_AbstractContainerMenu()
@@ -280,6 +281,56 @@ void UIScene_AbstractContainerMenu::tick()
 
 	onMouseTick();
 
+#ifdef _WINDOWS64
+	if (getPad() == 0 && m_bMousePointerControl)
+	{
+		if (KMInput.ConsumeMousePress(0))
+		{
+			if (m_eCurrSection == eSectionInventoryCreativeSlider)
+			{
+				m_bMouseDragSlider = true;
+				handleOtherClicked(m_iPad, eSectionInventoryCreativeSlider, 0, false);
+			}
+			else
+			{
+				handleKeyDown(m_iPad, ACTION_MENU_A, false);
+			}
+		}
+		else if (m_bMouseDragSlider && KMInput.IsMouseDown(0))
+		{
+			handleOtherClicked(m_iPad, eSectionInventoryCreativeSlider, 0, false);
+		}
+
+		if (!KMInput.IsMouseDown(0))
+			m_bMouseDragSlider = false;
+
+		if (KMInput.ConsumeMousePress(1))
+		{
+			handleKeyDown(m_iPad, ACTION_MENU_X, false);
+		}
+		if (KMInput.ConsumeMousePress(2))
+		{
+			handleKeyDown(m_iPad, ACTION_MENU_Y, false);
+		}
+
+		int scrollDelta = KMInput.ConsumeScrollDelta();
+		if (scrollDelta > 0)
+		{
+			handleKeyDown(m_iPad, ACTION_MENU_OTHER_STICK_UP, false);
+		}
+		else if (scrollDelta < 0)
+		{
+			handleKeyDown(m_iPad, ACTION_MENU_OTHER_STICK_DOWN, false);
+		}
+
+		if (KMInput.ConsumeKeyPress(VK_ESCAPE))
+		{
+			handleKeyDown(m_iPad, ACTION_MENU_B, false);
+			return;
+		}
+	}
+#endif
+
 	IggyEvent mouseEvent;
 	S32 width, height;
 	m_parentLayer->getRenderDimensions(width, height);

Minecraft.Client/Windows64/Windows64_Minecraft.cpp

@@ -395,6 +395,9 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 	case WM_MOUSEWHEEL:
 		KMInput.OnMouseWheel(GET_WHEEL_DELTA_WPARAM(wParam));
 		break;
+	case WM_MOUSEMOVE:
+		KMInput.OnMouseMove(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
+		break;
 	case WM_ACTIVATE:
 		if (LOWORD(wParam) == WA_INACTIVE)
 			KMInput.SetCapture(false);
@@ -404,6 +407,15 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
 		KMInput.ClearAllState();
 		break;
 
+	case WM_SETCURSOR:
+		// Hide the OS cursor when an Iggy/Flash menu is displayed (it has its own Flash cursor)
+		if (LOWORD(lParam) == HTCLIENT && !KMInput.IsCaptured() && ui.GetMenuDisplayed(0))
+		{
+			SetCursor(NULL);
+			return TRUE;
+		}
+		return DefWindowProc(hWnd, message, wParam, lParam);
+
 	default:
 		return DefWindowProc(hWnd, message, wParam, lParam);
 	}
@@ -609,6 +621,7 @@ app.DebugPrintf("width: %d, height: %d\n", width, height);
 	hr = g_pd3dDevice->CreateTexture2D(&descDepth, NULL, &g_pDepthStencilBuffer);
 
 	D3D11_DEPTH_STENCIL_VIEW_DESC descDSView;
+	ZeroMemory(&descDSView, sizeof(descDSView));
 	descDSView.Format = DXGI_FORMAT_D24_UNORM_S8_UINT;
 	descDSView.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
 	descDSView.Texture2D.MipSlice = 0;
@@ -702,6 +715,28 @@ int APIENTRY _tWinMain(_In_ HINSTANCE hInstance,
 	UNREFERENCED_PARAMETER(hPrevInstance);
 	UNREFERENCED_PARAMETER(lpCmdLine);
 
+	WCHAR exePath[MAX_PATH] = { 0 };
+	GetModuleFileNameW(NULL, exePath, MAX_PATH);
+	WCHAR* lastSlash = wcsrchr(exePath, L'\\');
+	if (lastSlash)
+	{
+		*lastSlash = L'\0';
+
+		WCHAR devCheckPath[MAX_PATH] = { 0 };
+		swprintf_s(devCheckPath, MAX_PATH, L"%s\\..\\..\\Minecraft.Client\\Minecraft.Client.vcxproj", exePath);
+
+		if (GetFileAttributesW(devCheckPath) != INVALID_FILE_ATTRIBUTES)
+		{
+			WCHAR projectPath[MAX_PATH] = { 0 };
+			swprintf_s(projectPath, MAX_PATH, L"%s\\..\\..\\Minecraft.Client", exePath);
+			SetCurrentDirectoryW(projectPath);
+		}
+		else
+		{
+			SetCurrentDirectoryW(exePath);
+		}
+	}
+
 	// Declare DPI awareness so GetSystemMetrics returns physical pixels
 	SetProcessDPIAware();
 	g_iScreenWidth = GetSystemMetrics(SM_CXSCREEN);