1 files changed, 34 insertions, 0 deletions
diff --git a/asm/window_util.c b/asm/window_util.c
new file mode 100644
index 0000000..fadc86a
--- /dev/null
+++ b/asm/window_util.c
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C)  2018 Iru Cai <mytbk920423@gmail.com>
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#include "window_util.h"
+
+wProc windowCallbacks[16]; // 48a010
+int callbackSize = 0; // 0x46cad8
+
+extern HWND gWindowHandle;
+
+int Wait_0402_Message(wProc cb, int a2)
+{
+	callbackSize++;
+	windowCallbacks[callbackSize] = cb;
+	PostMessageA(gWindowHandle, 0x401, 0, a2);
+	while (1) {
+		MSG msg;
+		if (PeekMessageA(&msg, 0, 0, 0, 1) == 0)
+			continue;
+		if (msg.message == 0x402) {
+			callbackSize--;
+			return msg.lParam;
+		}
+		TranslateMessage(&msg);
+		DispatchMessageA(&msg);
+	}
+}
+
+void Post_0402_Message(LPARAM lp)
+{
+	PostMessageA(gWindowHandle, 0x402, 0, lp);
+}