Revert "Use memory adress of overlay instead of winmessages"

This reverts commit e2438e1ff1.

SteamTarget/SteamTargetRenderer.cpp

@@ -15,9 +15,11 @@ limitations under the License.
 */
 #include "SteamTargetRenderer.h"
 
-
+std::atomic<bool> SteamTargetRenderer::overlayOpen = false;
+HHOOK SteamTargetRenderer::hook = nullptr;
 std::atomic<bool> SteamTargetRenderer::bHookSteam = false;
 
+
 SteamTargetRenderer::SteamTargetRenderer(int& argc, char** argv) : QApplication(argc, argv)
 {
 	getSteamOverlay();
@@ -86,9 +88,9 @@ SteamTargetRenderer::SteamTargetRenderer(int& argc, char** argv) : QApplication(
 
 		if (hmodGameOverlayRenderer != nullptr)
 		{
-
-			overlayOpen = reinterpret_cast<uint64_t*>(uint64_t(hmodGameOverlayRenderer) + 0x13A63C);
-
+			//Hook MessageQueue to detect if overlay gets opened / closed
+			//Steam Posts a Message with 0x14FA / 0x14F7 when the overlay gets opened / closed
+			hook = SetWindowsHookEx(WH_GETMESSAGE, HookCallback, nullptr, GetCurrentThreadId());
 		}
 
 
@@ -108,6 +110,12 @@ SteamTargetRenderer::SteamTargetRenderer(int& argc, char** argv) : QApplication(
 
 SteamTargetRenderer::~SteamTargetRenderer()
 {	
+
+	if (hmodGameOverlayRenderer != nullptr)
+	{
+		UnhookWindowsHookEx(hook);
+	}
+
 	renderThread.join();
 	if (controllerThread.isRunning())
 		controllerThread.stop();
@@ -171,7 +179,7 @@ void SteamTargetRenderer::RunSfWindowLoop()
 		//Window focus trickery
 		if (hmodGameOverlayRenderer != nullptr)
 		{
-			if (*overlayOpen)
+			if (overlayOpen)
 			{
 				if (!bNeedFocusSwitch)
 				{
@@ -348,6 +356,27 @@ void SteamTargetRenderer::moveMouseIntoOverlay()
 
 }
 
+//WinHook Callback to check if the overlay is opened/closed
+LRESULT WINAPI SteamTargetRenderer::HookCallback(int nCode, WPARAM wParam, LPARAM lParam)
+{
+	if (nCode >= 0)
+	{
+		PMSG msg = reinterpret_cast<PMSG>(lParam);
+		std::cout << "DEBUG: " << "message: " << msg->message << std::endl;
+		if (msg->message == 0x14FA) //Posted when the overlay gets opened
+		{
+			overlayOpen = true;
+			std::cout << "Overlay Opened!\n";
+		}
+		else if (msg->message == 0x14F7 || msg->message == 0x14FD || msg->message == 512 || msg->message == 0x2a3)
+		{
+			overlayOpen = false;
+			std::cout << "Overlay closed!\n";
+		}
+	}
+	return CallNextHookEx(hook, nCode, wParam, lParam);
+}
+
 void SteamTargetRenderer::unhookBindings()
 {
 	if (bHookSteam)

SteamTarget/SteamTargetRenderer.h

@@ -91,7 +91,8 @@ private:
 #else
 	WCHAR* overlayModuleName = L"GameOverlayRenderer.dll";
 #endif
-	uint64_t *overlayOpen;
+	static std::atomic<bool> overlayOpen;
+	static HHOOK hook;
 
 	HWND hwForeGroundWindow = nullptr;
 	bool bNeedFocusSwitch = false;