Added command to hide the UI

src/graphics/engine/engine.cpp

@@ -107,6 +107,7 @@ CEngine::CEngine(CApplication *app, CSystemUtils* systemUtils)
     m_waterAddColor   = Color(0.0f, 0.0f, 0.0f, 0.0f);
 
     m_render            = true;
+    m_renderInterface   = true;
     m_screenshotMode    = false;
     m_dirty             = true;
     m_fog               = true;
@@ -537,6 +538,16 @@ void CEngine::SetRenderEnable(bool enable)
     m_render = enable;
 }
 
+void CEngine::SetRenderInterface(bool enable)
+{
+    m_renderInterface = enable;
+}
+
+bool CEngine::GetRenderInterface()
+{
+    return m_renderInterface;
+}
+
 void CEngine::SetScreenshotMode(bool screenshotMode)
 {
     m_screenshotMode = screenshotMode;
@@ -3144,9 +3155,12 @@ void CEngine::Render()
 
     UseMSAA(false);
 
-    m_app->StartPerformanceCounter(PCNT_RENDER_INTERFACE);
+    if (m_renderInterface)
-    DrawInterface();
+    {
-    m_app->StopPerformanceCounter(PCNT_RENDER_INTERFACE);
+        m_app->StartPerformanceCounter(PCNT_RENDER_INTERFACE);
+        DrawInterface();
+        m_app->StopPerformanceCounter(PCNT_RENDER_INTERFACE);
+    }
 
     // End the scene
     m_device->EndScene();

src/graphics/engine/engine.h

@@ -689,6 +689,9 @@ public:
     //! Enables/disables rendering
     void            SetRenderEnable(bool enable);
 
+    void            SetRenderInterface(bool enable);
+    bool            GetRenderInterface();
+
     //! Management of "screenshot mode" (disables interface particle rendering)
     //@{
     void            SetScreenshotMode(bool screenshotMode);
@@ -1297,6 +1300,8 @@ protected:
     bool            m_showStats;
     //! Rendering enabled?
     bool            m_render;
+    //! Render / hide the UI?
+    bool            m_renderInterface;
 
     //! Screenshot mode?
     bool            m_screenshotMode;

src/level/robotmain.cpp

@@ -1224,6 +1224,12 @@ void CRobotMain::ExecuteCmd(char *cmd)
             return;
         }
 
+        if (strcmp(cmd, "invui") == 0)
+        {
+            m_engine->SetRenderInterface(!m_engine->GetRenderInterface());
+            return;
+        }
+
         if (strcmp(cmd, "noclip") == 0)
         {
             CObject* object = GetSelect();