Editor fullscreen bug patch

Fixes #18

src/patches/EditorFullscreenBugPatch.cpp

@@ -0,0 +1,21 @@
+/// In the in-game level editor if you start a level test pressing F5
+/// even when leaving fullscreen mode game window remains topmost.
+/// This is caused by developers setting HWND_TOPMOST at SetWindowPos,
+/// but when fullscreen is left it does not get cancelled.
+/// This patch hooks respective fullscreen cancel function and
+/// applies HWND_NOTOPMOST.
+
+#include "Utils.h"
+#include "events/EventManager.h"
+#include "memory/HookManager.h"
+#include "sdk/Game.h"
+
+HOOK_FN(inline void, editor_leave_fullscreen, ARGS()) {
+	editor_leave_fullscreen_orig();
+	SetWindowPos(*sdk::Game::window, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE);
+}
+
+inline EventManager::Ready $editor_fullscreen_bug_patch([] {
+	HookManager::RegisterHook("55 8B EC C7 05 ? ? ? ? ? ? ? ? C7 05 ? ? ? ? ? ? ? ? 68 ? ? ? ? 6A", HOOK_REF_FORCE(editor_leave_fullscreen));
+});
+