mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-22 14:16:50 +00:00
99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose: Linux/Android touch implementation for inputsystem
|
|
//
|
|
//===========================================================================//
|
|
|
|
/* For force feedback testing. */
|
|
#include "inputsystem.h"
|
|
#include "tier1/convar.h"
|
|
#include "tier0/icommandline.h"
|
|
#include "SDL.h"
|
|
#include "SDL_touch.h"
|
|
// NOTE: This has to be the last file included!
|
|
#include "tier0/memdbgon.h"
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Handle the events coming from the Touch SDL subsystem.
|
|
//-----------------------------------------------------------------------------
|
|
int TouchSDLWatcher( void *userInfo, SDL_Event *event )
|
|
{
|
|
CInputSystem *pInputSystem = (CInputSystem *)userInfo;
|
|
|
|
if( !event || !pInputSystem ) return 1;
|
|
|
|
switch ( event->type ) {
|
|
case SDL_FINGERDOWN:
|
|
pInputSystem->FingerEvent( IE_FingerDown, event->tfinger.fingerId, event->tfinger.x, event->tfinger.y, event->tfinger.dx, event->tfinger.dy );
|
|
break;
|
|
case SDL_FINGERUP:
|
|
pInputSystem->FingerEvent( IE_FingerUp, event->tfinger.fingerId, event->tfinger.x, event->tfinger.y, event->tfinger.dx, event->tfinger.dy );
|
|
break;
|
|
case SDL_FINGERMOTION:
|
|
pInputSystem->FingerEvent( IE_FingerMotion ,event->tfinger.fingerId, event->tfinger.x, event->tfinger.y, event->tfinger.dx, event->tfinger.dy );
|
|
break;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Initialize all joysticks
|
|
//-----------------------------------------------------------------------------
|
|
void CInputSystem::InitializeTouch( void )
|
|
{
|
|
if ( m_bTouchInitialized )
|
|
ShutdownTouch();
|
|
|
|
// abort startup if user requests no touch
|
|
if ( CommandLine()->FindParm("-notouch") ) return;
|
|
|
|
memset( m_touchAccumX, 0, sizeof(m_touchAccumX) );
|
|
memset( m_touchAccumY, 0, sizeof(m_touchAccumY) );
|
|
|
|
m_bJoystickInitialized = true;
|
|
SDL_AddEventWatch(TouchSDLWatcher, this);
|
|
}
|
|
|
|
void CInputSystem::ShutdownTouch()
|
|
{
|
|
if ( !m_bTouchInitialized )
|
|
return;
|
|
|
|
SDL_DelEventWatch( TouchSDLWatcher, this );
|
|
m_bTouchInitialized = false;
|
|
}
|
|
|
|
bool CInputSystem::GetTouchAccumulators( int fingerId, float &dx, float &dy )
|
|
{
|
|
dx = m_touchAccumX[fingerId];
|
|
dy = m_touchAccumY[fingerId];
|
|
|
|
m_touchAccumX[fingerId] = m_touchAccumY[fingerId] = 0.f;
|
|
|
|
return true;
|
|
}
|
|
|
|
void CInputSystem::FingerEvent(int eventType, int fingerId, float x, float y, float dx, float dy)
|
|
{
|
|
if( fingerId >= TOUCH_FINGER_MAX_COUNT )
|
|
return;
|
|
|
|
if( eventType == IE_FingerUp )
|
|
{
|
|
m_touchAccumX[fingerId] = 0.f;
|
|
m_touchAccumY[fingerId] = 0.f;
|
|
}
|
|
else
|
|
{
|
|
m_touchAccumX[fingerId] += dx;
|
|
m_touchAccumY[fingerId] += dy;
|
|
}
|
|
|
|
int _x,_y;
|
|
memcpy( &_x, &x, sizeof(float) );
|
|
memcpy( &_y, &y, sizeof(float) );
|
|
PostEvent(eventType, m_nLastSampleTick, fingerId, _x, _y);
|
|
}
|
|
|