Use GET_X_LPARAM instead of LOWORD (fixes #256)

Also GET_Y_LPARAM instead of HIWORD.

See https://stackoverflow.com/questions/20666361/capture-mouse-position

Author: qaisjp

Client/core/CGUI.cpp

@@ -11,6 +11,7 @@
 
 #include "StdInc.h"
 #include <game/CGame.h>
+#include <windowsx.h>
 
 using std::string;
 
@@ -541,7 +542,7 @@ bool CLocalGUI::ProcessMessage(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lPara
                 return true;
 
             case WM_MOUSEMOVE:
-                pGUI->ProcessMouseInput(CGUI_MI_MOUSEPOS, LOWORD(lParam), HIWORD(lParam));
+                pGUI->ProcessMouseInput(CGUI_MI_MOUSEPOS, GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
                 return true;
 
             case WM_LBUTTONDOWN:

Client/core/CMouseControl.cpp

@@ -11,6 +11,7 @@
 
 #include "StdInc.h"
 #include "CMouseControl.h"
+#include <windowsx.h>
 #include <game/CGame.h>
 
 #define MOUSE_CONTROL_MULTIPLIER    35
@@ -78,7 +79,7 @@ bool CMouseControl::ProcessMouseMove(UINT uMsg, WPARAM wParam, LPARAM lParam)
 
     // Let's calculate our mouse movement directions
     CVector2D resolution = g_pCore->GetGUI()->GetResolution();
-    int       iX = LOWORD(lParam), iY = HIWORD(lParam);
+    int       iX = GET_X_LPARAM(lParam), iY = GET_Y_LPARAM(lParam);
     float     fX = (iX - resolution.fX * 0.5f) / resolution.fX;
 
     fX *= MOUSE_CONTROL_MULTIPLIER;
@@ -137,4 +138,4 @@ void CMouseControl::ApplyAxes(CControllerState& cs)
 
     cs.LeftStickX = m_usLeftStickX;
     cs.LeftStickY = m_usLeftStickY;
-}
+}

Client/mods/deathmatch/logic/CClientGame.cpp

@@ -14,6 +14,7 @@
 #include "game/CAnimBlendAssocGroup.h"
 #include "game/CAnimBlendAssociation.h"
 #include "game/CAnimBlendHierarchy.h"
+#include <windowsx.h>
 
 SString StringZeroPadout(const SString& strInput, uint uiPadoutSize)
 {
@@ -2475,8 +2476,8 @@ bool CClientGame::ProcessMessageForCursorEvents(HWND hwnd, UINT uMsg, WPARAM wPa
                 }
                 if (ucButtonHit != 0xFF)
                 {
-                    int iX = LOWORD(lParam);
-                    int iY = HIWORD(lParam);
+                    int iX = GET_X_LPARAM(lParam);
+                    int iY = GET_Y_LPARAM(lParam);
 
                     CVector2D vecResolution = g_pCore->GetGUI()->GetResolution();
 
@@ -2644,7 +2645,7 @@ bool CClientGame::ProcessMessageForCursorEvents(HWND hwnd, UINT uMsg, WPARAM wPa
     {
         case WM_MOUSEMOVE:
         {
-            int        iX = LOWORD(lParam), iY = HIWORD(lParam);
+            int        iX = GET_X_LPARAM(lParam), iY = GET_Y_LPARAM(lParam);
             static int iPreviousX = 0, iPreviousY = 0;
             if (iX != iPreviousX || iY != iPreviousY)
             {