From 6127e15f0f9fa8099fbb28bff87010c4267b4807 Mon Sep 17 00:00:00 2001
From: FunkyFr3sh <cc.red.alert.1@googlemail.com>
Date: Fri, 15 Jan 2021 01:11:07 +0100
Subject: [PATCH] make sure we don't pass any bad coordinates to the games

---
 src/wndproc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/wndproc.c b/src/wndproc.c
index 9a6cd1b..3577714 100644
--- a/src/wndproc.c
+++ b/src/wndproc.c
@@ -589,6 +589,15 @@ LRESULT CALLBACK fake_WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
                     g_ddraw->cursor.y = GET_Y_LPARAM(lParam);
                 }
             }
+
+            if (GET_X_LPARAM(lParam) > g_ddraw->width || GET_Y_LPARAM(lParam) > g_ddraw->height)
+            {
+                g_ddraw->cursor.x = GET_X_LPARAM(lParam) > g_ddraw->width ? g_ddraw->width : GET_X_LPARAM(lParam);
+                g_ddraw->cursor.y = GET_Y_LPARAM(lParam) > g_ddraw->height ? g_ddraw->height : GET_Y_LPARAM(lParam);
+
+                lParam = MAKELPARAM(g_ddraw->cursor.x, g_ddraw->cursor.y);
+            }
+
             break;
         }
         case WM_PARENTNOTIFY: