Added DirectX hooks

Warning: DX9 doesn't support resizing (TODO), DX12 has not beed tested and is not finished.
No OpenGL support for now.

overlay_experimental/Base_Hook.cpp

@@ -0,0 +1,40 @@
+#include "Base_Hook.h"
+
+#include <algorithm>
+#include "Hook_Manager.h"
+
+#include "../detours/detours.h"
+
+Base_Hook::~Base_Hook()
+{
+    UnhookAll();
+}
+
+void Base_Hook::BeginHook()
+{
+    DetourTransactionBegin();
+    DetourUpdateThread(GetCurrentThread());
+}
+
+void Base_Hook::EndHook()
+{
+    DetourTransactionCommit();
+}
+
+void Base_Hook::UnhookAll()
+{
+    if (_hooked_funcs.size())
+    {
+        BeginHook();
+        std::for_each(_hooked_funcs.begin(), _hooked_funcs.end(), [](std::pair<void**, void*>& hook) {
+            DetourDetach(hook.first, hook.second);
+            });
+        EndHook();
+        _hooked_funcs.clear();
+    }
+}
+
+void Base_Hook::HookFuncs(std::pair<void**, void*> hook)
+{
+    DetourAttach(hook.first, hook.second);
+}