Index: /Daodan/src/Daodan_Patch.c
===================================================================
--- /Daodan/src/Daodan_Patch.c	(revision 350)
+++ /Daodan/src/Daodan_Patch.c	(revision 351)
@@ -1,4 +1,5 @@
 #include "Daodan_Patch.h"
 #include <windows.h>
+#include <stdlib.h>
 #include <string.h>
 
@@ -102,2 +103,16 @@
 		return false;
 }
+
+bool DDrPatch_NOOP(char* dest, unsigned int length)
+{
+	DWORD oldp;
+	
+	if (VirtualProtect(dest, length, PAGE_EXECUTE_READWRITE, &oldp))
+	{
+		memset(dest, 0x90, length);
+		VirtualProtect(dest, length, oldp, &oldp);
+		return true;
+	}
+	else
+		return false;
+}
Index: /Daodan/src/Daodan_Patch.h
===================================================================
--- /Daodan/src/Daodan_Patch.h	(revision 350)
+++ /Daodan/src/Daodan_Patch.h	(revision 351)
@@ -16,4 +16,5 @@
 bool DDrPatch_Int16(short* dest, short value);
 bool DDrPatch_StrDup(int* dest, const char* value);
+bool DDrPatch_NOOP(char* dest, unsigned int length);
 
 #endif
Index: /Daodan/src/Daodan_WindowHack.c
===================================================================
--- /Daodan/src/Daodan_WindowHack.c	(revision 350)
+++ /Daodan/src/Daodan_WindowHack.c	(revision 351)
@@ -1,6 +1,168 @@
+#include <windows.h>
 #include "Daodan_WindowHack.h"
+#include "Daodan_Patch.h"
+
+#include "Oni.h"
+#include "BFW_Motoko_Draw.h"
+#include "oni_gl.h"
+
+volatile HWND onihwnd, boxhwnd = NULL;
+int inclient = 0;
+
+LRESULT CALLBACK DDrHack_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
+{
+	switch (msg)
+	{
+		case WM_ACTIVATE:
+		case WM_CHAR:
+		case WM_KEYUP:
+		case WM_KEYDOWN:
+			ONrPlatform_WindowProc(onihwnd, msg, wParam, lParam);
+			return DefWindowProc(hwnd, msg, wParam, lParam);
+		case WM_SETCURSOR:
+			if (LOWORD(lParam) == HTCLIENT)
+			{
+				if (!inclient)
+				{
+					inclient = 1;
+					ShowCursor(FALSE);
+				}
+			}
+			else if (inclient)
+			{
+				inclient = 0;
+				ShowCursor(TRUE);
+			}
+			break;
+		case WM_CLOSE:
+			DestroyWindow(hwnd);
+			break;
+		case WM_DESTROY:
+			PostQuitMessage(0);
+			ExitProcess(0);
+			break;
+		default:
+			return DefWindowProc(hwnd, msg, wParam, lParam);
+	}
+	return 0;
+}
+
+DWORD WINAPI DDrHack_WndMain(LPVOID param)
+{
+	MSG Msg;
+	
+	WNDCLASSEX wc;
+	
+	wc.cbSize = sizeof(WNDCLASSEX);
+	wc.style = 0;
+	wc.lpfnWndProc = DDrHack_WndProc;
+	wc.cbClsExtra = 0;
+	wc.cbWndExtra = 0;
+	wc.hInstance = DDrDLLModule;
+	wc.hIcon = LoadIcon(DDrONiModule, MAKEINTRESOURCE(103));
+	wc.hCursor = LoadCursor(NULL, IDC_ARROW);
+	wc.hbrBackground = CreateSolidBrush(RGB(0, 0, 0));
+	wc.lpszMenuName = NULL;
+	wc.lpszClassName = "OniGanbatte";
+	wc.hIconSm = NULL;
+	RegisterClassEx(&wc);
+	
+	RECT re;
+	re.left = (GetSystemMetrics(SM_CXSCREEN) / 2) - (640 / 2);
+	re.top = (GetSystemMetrics(SM_CYSCREEN) / 2) - (480 / 2);
+	re.right = re.left + 640;
+	re.bottom = re.top + 480;
+	AdjustWindowRect(&re, WS_POPUP | WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU, FALSE);
+	
+	boxhwnd = CreateWindowEx(0, "OniGanbatte", "Oni", WS_POPUP | WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU, re.left, re.top, re.right - re.left, re.bottom - re.top, NULL, NULL, DDrDLLModule, NULL);
+	ShowWindow(boxhwnd, SW_SHOW);
+	UpdateWindow(boxhwnd);
+	
+	while (GetMessage(&Msg, NULL, 0, 0) > 0)
+	{
+		TranslateMessage(&Msg);
+		DispatchMessage(&Msg);
+	}
+	return 0;
+}
+
+HWND WINAPI ONrPI_CreateWindowExHook(DWORD dwExStyle, const char* lpClassName, const char* lpWindowName, DWORD dwStyle, int x, int y, int nWidth, int nHeight, HWND hWndParent, HMENU hMenu, HINSTANCE hInstance, LPVOID lpParam)
+{
+	CloseHandle(CreateThread(NULL, 0, DDrHack_WndMain, NULL, 0, NULL));
+	
+	while (!boxhwnd)
+		Sleep(50);
+	
+	onihwnd = CreateWindowExA(dwExStyle, lpClassName, lpWindowName, WS_POPUP | WS_VISIBLE, 0, 0, 640, 480, boxhwnd, hMenu, hInstance, lpParam);
+	SetParent(onihwnd, boxhwnd);
+	return onihwnd;
+}
+
+BOOL WINAPI glpi_SetWindowPosHook(HWND hWnd, HWND hWndInsertAfter, int X, int Y, int cx, int cy, UINT uFlags)
+{
+	SetWindowLong(onihwnd, GWL_STYLE, WS_CHILD | WS_VISIBLE);
+	SetCursor(LoadCursor(NULL, IDC_ARROW));
+	
+	RECT re;
+	re.left = (GetSystemMetrics(SM_CXSCREEN) / 2) - (cx / 2);
+	re.top = (GetSystemMetrics(SM_CYSCREEN) / 2) - (cy / 2);
+	re.right = re.left + cx;
+	re.bottom = re.top + cy;
+	AdjustWindowRect(&re, WS_POPUP | WS_CAPTION | WS_MINIMIZEBOX | WS_SYSMENU, FALSE);
+	
+	SetWindowPos(boxhwnd, NULL, re.left, re.top, re.right - re.left, re.bottom - re.top, uFlags | SWP_NOOWNERZORDER);
+	return SetWindowPos(hWnd, NULL, 0, 0, cx, cy, uFlags | SWP_NOOWNERZORDER);
+}
+
+BOOL WINAPI LIiP_GetCursorPosHook(LPPOINT lpPoint)
+{
+	if (GetAsyncKeyState(VK_F4))
+	{
+		lpPoint->x = gl->DisplayMode.Width / 2;
+		lpPoint->y = gl->DisplayMode.Height / 2;
+	}
+	else
+	{
+		if (!GetCursorPos(lpPoint))
+			return 0;
+		if (onihwnd != NULL)
+			ScreenToClient(onihwnd, lpPoint);
+	}
+	return 1;
+}
+
+BOOL WINAPI LIiP_SetCursorPosHook(int X, int Y)
+{
+	if (GetAsyncKeyState(VK_F4))
+		return TRUE;
+	else
+	{
+		POINT pt;
+		pt.x = X;
+		pt.y = Y;
+		if (onihwnd != NULL)
+			ClientToScreen(onihwnd, &pt);
+		return SetCursorPos(pt.x, pt.y);
+	}
+}
 
 void DDrWindowHack_Install()
 {
+	DDrPatch_NOOP((char*)0x0050F764, 6);
+	DDrPatch_MakeCall((char*)0x0050F764, ONrPI_CreateWindowExHook);
 	
+	DDrPatch_NOOP((char*)0x00407E9F, 6);
+	DDrPatch_MakeCall((char*)0x00407E9F, glpi_SetWindowPosHook);
+	
+	DDrPatch_NOOP((char*)0x004032CC, 6);
+	DDrPatch_MakeCall((char*)0x004032CC, LIiP_GetCursorPosHook);
+	
+	DDrPatch_NOOP((char*)0x00402CC2, 6);
+	DDrPatch_MakeCall((char*)0x00402CC2, LIiP_GetCursorPosHook);
+	
+	DDrPatch_NOOP((char*)0x004032B7, 6);
+	DDrPatch_MakeCall((char*)0x004032B7, LIiP_SetCursorPosHook);
+	
+	DDrPatch_NOOP((char*)0x00403349, 6);
+	DDrPatch_MakeCall((char*)0x00403349, LIiP_SetCursorPosHook);
 }