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Fix mouse wheel for switching weapons

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This fixes #32. Strictly follows the Win32 version.
This commit is contained in:
Tan Wang Leng 2016-04-23 22:49:07 +08:00 committed by Ryan C. Gordon
parent 88a0ec269b
commit 65d8d44f0e
1 changed files with 8 additions and 13 deletions
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21
Sources/Engine/Base/SDL/SDLInput.cpp
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@ -251,6 +251,10 @@ static int _iMouseZ = 0;
static BOOL _bWheelUp = FALSE; static BOOL _bWheelUp = FALSE;
static BOOL _bWheelDn = FALSE; static BOOL _bWheelDn = FALSE;
// emulate Win32: A single mouse wheel rotation
// is +120 (upwards) or -120 (downwards)
#define MOUSE_SCROLL_INTERVAL 120
CTCriticalSection csInput; CTCriticalSection csInput;
// which keys are pressed, as recorded by message interception (by KIDs) // which keys are pressed, as recorded by message interception (by KIDs)
@ -319,10 +323,7 @@ static void sdl_event_handler(const SDL_Event *event)
break; break;
case SDL_MOUSEWHEEL: case SDL_MOUSEWHEEL:
if (event->wheel.y > 0) _iMouseZ += event->wheel.y * MOUSE_SCROLL_INTERVAL;
_abKeysPressed[KID_MOUSEWHEELUP] = TRUE;
else if (event->wheel.y < 0)
_abKeysPressed[KID_MOUSEWHEELDOWN] = TRUE;
break; break;
case SDL_KEYDOWN: case SDL_KEYDOWN:
@ -744,10 +745,6 @@ void CInput::GetInput(BOOL bPreScan)
} }
} }
// reset this every frame (since we explicitly ignore the button-up events).
_abKeysPressed[KID_MOUSEWHEELUP] = FALSE;
_abKeysPressed[KID_MOUSEWHEELDOWN] = FALSE;
// read mouse position // read mouse position
#ifdef USE_MOUSEWARP #ifdef USE_MOUSEWARP
int iMx, iMy; int iMx, iMy;
@ -816,17 +813,16 @@ void CInput::GetInput(BOOL bPreScan)
} }
#endif #endif
/*
// if not pre-scanning // if not pre-scanning
if (!bPreScan) { if (!bPreScan) {
// detect wheel up/down movement // detect wheel up/down movement
_bWheelDn = FALSE;
if (_iMouseZ>0) { if (_iMouseZ>0) {
if (_bWheelUp) { if (_bWheelUp) {
inp_ubButtonsBuffer[KID_MOUSEWHEELUP] = 0x00; inp_ubButtonsBuffer[KID_MOUSEWHEELUP] = 0x00;
} else { } else {
inp_ubButtonsBuffer[KID_MOUSEWHEELUP] = 0xFF; inp_ubButtonsBuffer[KID_MOUSEWHEELUP] = 0xFF;
_iMouseZ = ClampDn(_iMouseZ-120, 0); _iMouseZ = ClampDn(_iMouseZ-MOUSE_SCROLL_INTERVAL, 0);
} }
} }
_bWheelUp = inp_ubButtonsBuffer[KID_MOUSEWHEELUP]; _bWheelUp = inp_ubButtonsBuffer[KID_MOUSEWHEELUP];
@ -835,12 +831,11 @@ void CInput::GetInput(BOOL bPreScan)
inp_ubButtonsBuffer[KID_MOUSEWHEELDOWN] = 0x00; inp_ubButtonsBuffer[KID_MOUSEWHEELDOWN] = 0x00;
} else { } else {
inp_ubButtonsBuffer[KID_MOUSEWHEELDOWN] = 0xFF; inp_ubButtonsBuffer[KID_MOUSEWHEELDOWN] = 0xFF;
_iMouseZ = ClampUp(_iMouseZ+120, 0); _iMouseZ = ClampUp(_iMouseZ+MOUSE_SCROLL_INTERVAL, 0);
} }
} }
_bWheelDn = inp_ubButtonsBuffer[KID_MOUSEWHEELDOWN]; _bWheelDn = inp_ubButtonsBuffer[KID_MOUSEWHEELDOWN];
} }
*/
inp_bLastPrescan = bPreScan; inp_bLastPrescan = bPreScan;