Split CInput::NextFrame() from CInput::Update() (fixes #444)

src/engine/client/client.cpp

@@ -2809,6 +2809,7 @@ void CClient::Run()
 					}
 					m_pGraphics->Swap();
 				}
+				Input()->NextFrame();
 			}
 			if(Input()->VideoRestartNeeded())
 			{

src/engine/client/input.cpp

@@ -126,19 +126,20 @@ bool CInput::KeyState(int Key) const
 	return m_aInputState[Key>=KEY_MOUSE_1 ? Key : SDL_GetScancodeFromKey(KeyToKeycode(Key))];
 }
 
+void CInput::NextFrame()
+{
+	int i;
+	const Uint8 *pState = SDL_GetKeyboardState(&i);
+	if(i >= KEY_LAST)
+		i = KEY_LAST-1;
+	mem_copy(m_aInputState, pState, i);
+}
+
 int CInput::Update()
 {
 	// keep the counter between 1..0xFFFF, 0 means not pressed
 	m_InputCounter = (m_InputCounter%0xFFFF)+1;
 
-	{
-		int i;
-		const Uint8 *pState = SDL_GetKeyboardState(&i);
-		if(i >= KEY_LAST)
-			i = KEY_LAST-1;
-		mem_copy(m_aInputState, pState, i);
-	}
-
 	// these states must always be updated manually because they are not in the GetKeyState from SDL
 	int i = SDL_GetMouseState(NULL, NULL);
 	if(i&SDL_BUTTON(1)) m_aInputState[KEY_MOUSE_1] = 1; // 1 is left

src/engine/client/input.h

@@ -44,6 +44,7 @@ public:
 	virtual void SetClipboardText(const char *Text);
 
 	virtual int Update();
+	virtual void NextFrame();
 
 	virtual int VideoRestartNeeded();
 };

src/engine/input.h

@@ -76,6 +76,7 @@ class IEngineInput : public IInput
 public:
 	virtual void Init() = 0;
 	virtual int Update() = 0;
+	virtual void NextFrame() = 0;
 	virtual int VideoRestartNeeded() = 0;
 };