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408 lines
10 KiB
408 lines
10 KiB
// ===== Copyright 1996-2012, Valve Corporation, All rights reserved. =======
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//
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// Purpose: Provides Cross-Platform Input Device information
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//
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// ==========================================================================
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#include "platforminputdevice.h"
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#include "dbg.h"
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// NOTE: This has to be the last file included!
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#include "tier0/memdbgon.h"
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class CAutoInit
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{
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public:
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CAutoInit( void )
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{
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PlatformInputDevice::InitPlatfromInputDeviceInfo();
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}
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};
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CAutoInit forceInputInit;
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int countBits( uint32 iValue )
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{
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int count = 0;
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while ( iValue != 0 )
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{
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if ( iValue & 0x01 )
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{
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count++;
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}
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iValue >>= 1;
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}
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return count;
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}
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uint32 getValueofNthSetBit( uint32 iValue, int bitNo )
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{
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if ( bitNo < 1 || bitNo > 32 )
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return 0;
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uint32 curValue = 1;
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int bitCount = 0;
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while ( curValue > 0 )
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{
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if ( ( iValue & curValue ) != 0 )
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{
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bitCount++;
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if ( bitCount == bitNo)
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{
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return curValue;
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}
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}
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curValue <<= 1;
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}
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return 0;
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}
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int getOrdinalOfSetBit( uint32 iValue, uint32 theBit )
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{
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if ( ( iValue & theBit ) == 0 )
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return 0;
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Assert( countBits( theBit ) == 1 );
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uint32 curValue = 1;
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int bitCount = 0;
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while ( curValue > 0 )
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{
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if ( ( iValue & curValue ) != 0 )
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{
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bitCount++;
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if ( curValue == theBit )
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{
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return bitCount;
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}
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}
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curValue <<= 1;
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}
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return 0;
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}
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bool PlatformInputDevice::s_Initialized = false;
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InputDevice_t PlatformInputDevice::s_validPlatformInputDevices[INPUT_DEVICE_PLATFORM_COUNT];
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int PlatformInputDevice::s_numberPlatformInputDevices[INPUT_DEVICE_PLATFORM_COUNT];
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InputDevice_t PlatformInputDevice::s_AllInputDevices = INPUT_DEVICE_NONE;
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const InputDevicePlatform_t PlatformInputDevice::s_LocalInputPlatform =
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#if defined( PLATFORM_WINDOWS_PC )
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INPUT_DEVICE_PLATFORM_WINDOWS;
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#elif defined( PLATFORM_OSX )
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INPUT_DEVICE_PLATFORM_OSX;
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#elif defined( PLATFORM_X360 )
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INPUT_DEVICE_PLATFORM_XBOX360;
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#elif defined( PLATFORM_PS3 )
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INPUT_DEVICE_PLATFORM_PS3;
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#elif defined( PLATFORM_LINUX )
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INPUT_DEVICE_PLATFORM_LINUX;
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#else
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INPUT_DEVICE_PLATFORM_NONE;
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#endif
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void PlatformInputDevice::InitPlatfromInputDeviceInfo( void )
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{
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// clear all
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s_AllInputDevices = INPUT_DEVICE_NONE;
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for ( int n = 0; n < INPUT_DEVICE_PLATFORM_COUNT; n++ )
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{
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s_validPlatformInputDevices[n] = INPUT_DEVICE_NONE;
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}
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// Windows PC
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s_validPlatformInputDevices[INPUT_DEVICE_PLATFORM_WINDOWS] =
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INPUT_DEVICE_KEYBOARD_MOUSE |
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INPUT_DEVICE_GAMEPAD |
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INPUT_DEVICE_HYDRA |
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INPUT_DEVICE_STEAM_CONTROLLER;
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// Mac OSX
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s_validPlatformInputDevices[INPUT_DEVICE_PLATFORM_OSX] =
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INPUT_DEVICE_KEYBOARD_MOUSE |
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INPUT_DEVICE_STEAM_CONTROLLER;
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// Xbox 360
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s_validPlatformInputDevices[INPUT_DEVICE_PLATFORM_XBOX360] =
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INPUT_DEVICE_GAMEPAD;
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// Playstation 3
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s_validPlatformInputDevices[INPUT_DEVICE_PLATFORM_PS3] =
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INPUT_DEVICE_KEYBOARD_MOUSE |
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INPUT_DEVICE_GAMEPAD |
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INPUT_DEVICE_PLAYSTATION_MOVE |
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INPUT_DEVICE_SHARPSHOOTER;
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// Linux PC
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s_validPlatformInputDevices[INPUT_DEVICE_PLATFORM_LINUX] =
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INPUT_DEVICE_KEYBOARD_MOUSE |
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INPUT_DEVICE_STEAM_CONTROLLER;
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for (int n = 0; n < INPUT_DEVICE_PLATFORM_COUNT; n++ )
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{
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s_numberPlatformInputDevices[n] = countBits( s_validPlatformInputDevices[n] );
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s_AllInputDevices = s_AllInputDevices | s_validPlatformInputDevices[n];
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}
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#if defined ( _PS3 )
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// On PS3 we need to make sure steamworks gets updated with all the required ELO data slots.
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// If we change how many devices we have, we need to update steamworks with the proper number
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// of ELO variables.
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AssertMsg( s_numberPlatformInputDevices[INPUT_DEVICE_PLATFORM_PS3] == 4, "You must update Steamworks with the correct number of input devices for the ELO values." );
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#endif
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s_Initialized = true;
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}
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int PlatformInputDevice::GetInputDeviceCountforPlatform( InputDevicePlatform_t platform )
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{
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Assert( s_Initialized );
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if ( platform < INPUT_DEVICE_PLATFORM_LOCAL || platform >= INPUT_DEVICE_PLATFORM_COUNT )
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{
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AssertMsg( false, "invalid platform" );
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return 0;
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}
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return s_numberPlatformInputDevices[ ( ( platform == INPUT_DEVICE_PLATFORM_LOCAL ) ? s_LocalInputPlatform : platform ) ];
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}
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InputDevice_t PlatformInputDevice::GetValidInputDevicesForPlatform( InputDevicePlatform_t platform )
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{
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Assert( s_Initialized );
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if ( platform < INPUT_DEVICE_PLATFORM_LOCAL || platform >= INPUT_DEVICE_PLATFORM_COUNT )
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{
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AssertMsg( false, "invalid platform" );
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return INPUT_DEVICE_NONE;
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}
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return s_validPlatformInputDevices[ ( ( platform == INPUT_DEVICE_PLATFORM_LOCAL ) ? s_LocalInputPlatform : platform ) ];
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}
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bool PlatformInputDevice::IsInputDeviceValid( InputDevice_t device, InputDevicePlatform_t platform )
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{
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Assert( s_Initialized );
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// make sure inputs make sense
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if ( platform < INPUT_DEVICE_PLATFORM_ANY || platform >= INPUT_DEVICE_PLATFORM_COUNT )
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{
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AssertMsg( false, "invalid platform" );
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return false;
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}
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if ( countBits( device ) != 1 || ( device & s_AllInputDevices ) != device )
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{
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return false;
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}
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// any platform? already checked it above
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if ( platform == INPUT_DEVICE_PLATFORM_ANY )
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{
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return true;
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}
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// translate to current hardware platform if necessary
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if ( platform == INPUT_DEVICE_PLATFORM_LOCAL )
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{
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platform = s_LocalInputPlatform;
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}
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return ( ( s_validPlatformInputDevices[platform] & device ) == device );
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}
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const char *PlatformInputDevice::GetInputDeviceNameUI( InputDevice_t device )
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{
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switch ( device )
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{
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case INPUT_DEVICE_KEYBOARD_MOUSE: return "#INPUT_DEVICE_KBMOUSE";
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#if defined( _PS3 )
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case INPUT_DEVICE_GAMEPAD: return "#INPUT_DEVICE_GAMEPAD_PS3";
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#else
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case INPUT_DEVICE_GAMEPAD: return "#INPUT_DEVICE_GAMEPAD_XBOX";
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#endif
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case INPUT_DEVICE_PLAYSTATION_MOVE: return "#INPUT_DEVICE_PSMOVE";
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case INPUT_DEVICE_HYDRA: return "#INPUT_DEVICE_HYDRA";
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case INPUT_DEVICE_SHARPSHOOTER: return "#INPUT_DEVICE_SHARPSHOOTER";
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case INPUT_DEVICE_MOVE_NAV_CONTROLLER: return "#INPUT_DEVICE_MOVE_NAV_CONTROLLER";
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default:
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{
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AssertMsg( false, "Invalid Input Device" );
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return "<invalid>";
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}
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}
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}
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const char *PlatformInputDevice::GetInputDeviceNameInternal( InputDevice_t device )
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{
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switch ( device )
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{
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case INPUT_DEVICE_KEYBOARD_MOUSE: return "KBMOUSE";
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case INPUT_DEVICE_GAMEPAD: return "GAMEPAD";
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case INPUT_DEVICE_PLAYSTATION_MOVE: return "PSMOVE";
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case INPUT_DEVICE_HYDRA: return "HYDRA";
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case INPUT_DEVICE_SHARPSHOOTER: return "SHARPSHOOTER";
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case INPUT_DEVICE_MOVE_NAV_CONTROLLER: return "NAV_CONTROLLER";
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default:
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{
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AssertMsg( false, "Invalid Input Device" );
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return "<INVALID>";
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}
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}
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}
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InputDevicePlatform_t PlatformInputDevice::GetLocalInputDevicePlatform( void )
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{
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return s_LocalInputPlatform;
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}
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bool PlatformInputDevice::IsInputDevicePlatformValid( InputDevicePlatform_t platform )
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{
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return ( platform > INPUT_DEVICE_PLATFORM_NONE && platform < INPUT_DEVICE_PLATFORM_COUNT );
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}
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const char *PlatformInputDevice::GetInputDevicePlatformName( InputDevicePlatform_t platform )
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{
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switch ( platform )
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{
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case INPUT_DEVICE_PLATFORM_NONE: return "NONE (Not Set)";
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case INPUT_DEVICE_PLATFORM_WINDOWS: return "Windows PC";
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case INPUT_DEVICE_PLATFORM_OSX: return "Mac OS X";
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case INPUT_DEVICE_PLATFORM_XBOX360: return "Xbox 360";
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case INPUT_DEVICE_PLATFORM_PS3: return "Playstation 3";
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case INPUT_DEVICE_PLATFORM_LINUX: return "Linux PC";
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default:
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{
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AssertMsg( false, "Invalid Input Platform" );
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return "<invalid>";
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}
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}
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}
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InputDevice_t PlatformInputDevice::GetDefaultInputDeviceForPlatform( InputDevicePlatform_t platform )
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{
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// make sure inputs make sense
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if ( platform < INPUT_DEVICE_PLATFORM_LOCAL || platform >= INPUT_DEVICE_PLATFORM_COUNT )
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{
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AssertMsg( false, "invalid platform" );
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return INPUT_DEVICE_NONE;
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}
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// translate to current hardware platform if necessary
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if ( platform == INPUT_DEVICE_PLATFORM_LOCAL )
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{
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platform = s_LocalInputPlatform;
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}
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switch ( platform )
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{
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case INPUT_DEVICE_PLATFORM_NONE: return INPUT_DEVICE_NONE;
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case INPUT_DEVICE_PLATFORM_WINDOWS: return INPUT_DEVICE_KEYBOARD_MOUSE;
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case INPUT_DEVICE_PLATFORM_OSX: return INPUT_DEVICE_KEYBOARD_MOUSE;
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case INPUT_DEVICE_PLATFORM_XBOX360: return INPUT_DEVICE_GAMEPAD;
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case INPUT_DEVICE_PLATFORM_PS3: return INPUT_DEVICE_GAMEPAD;
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case INPUT_DEVICE_PLATFORM_LINUX: return INPUT_DEVICE_KEYBOARD_MOUSE;
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default:
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{
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AssertMsg( false, "Default device missing" );
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return INPUT_DEVICE_NONE;
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}
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}
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}
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int PlatformInputDevice::GetInputDeviceOrdinalForPlatform( InputDevice_t device, InputDevicePlatform_t platform )
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{
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Assert( s_Initialized );
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// make sure inputs make sense
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if ( platform < INPUT_DEVICE_PLATFORM_LOCAL || platform >= INPUT_DEVICE_PLATFORM_COUNT )
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{
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AssertMsg( false, "invalid platform" );
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return 0;
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}
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if ( countBits( device ) != 1 || ( device & s_AllInputDevices ) != device )
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{
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AssertMsg( false, "invalid device" );
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return 0;
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}
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// translate to current hardware platform if necessary
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if ( platform == INPUT_DEVICE_PLATFORM_LOCAL )
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{
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platform = s_LocalInputPlatform;
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}
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if ( ( s_validPlatformInputDevices[platform] & device ) == 0 )
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{
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return 0;
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}
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return getOrdinalOfSetBit( (uint32) s_validPlatformInputDevices[platform], (uint32) device );
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}
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InputDevice_t PlatformInputDevice::GetInputDeviceTypefromPlatformOrdinal( int deviceNo, InputDevicePlatform_t platform )
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{
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Assert( s_Initialized );
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// make sure inputs make sense
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if ( platform < INPUT_DEVICE_PLATFORM_LOCAL || platform >= INPUT_DEVICE_PLATFORM_COUNT )
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{
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AssertMsg( false, "invalid platform" );
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return INPUT_DEVICE_NONE;
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}
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// translate to current hardware platform if necessary
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if ( platform == INPUT_DEVICE_PLATFORM_LOCAL )
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{
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platform = s_LocalInputPlatform;
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}
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if ( deviceNo < 1 || deviceNo > s_numberPlatformInputDevices[platform] )
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{
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AssertMsg( false, "bad platform device ordnial" );
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return INPUT_DEVICE_NONE;
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}
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return (InputDevice_t) getValueofNthSetBit( (uint32) s_validPlatformInputDevices[platform], deviceNo );
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}
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bool PlatformInputDevice::IsInputDeviceAPointer( InputDevice_t device )
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{
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switch ( device )
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{
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case INPUT_DEVICE_NONE:
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case INPUT_DEVICE_KEYBOARD_MOUSE:
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case INPUT_DEVICE_GAMEPAD:
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case INPUT_DEVICE_MOVE_NAV_CONTROLLER:
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return false;
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case INPUT_DEVICE_PLAYSTATION_MOVE:
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case INPUT_DEVICE_HYDRA:
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case INPUT_DEVICE_SHARPSHOOTER:
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return true;
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default:
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AssertMsg(false, "Device not handled.");
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break;
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}
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return false;
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}
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