Input handler for Xbox controllers
This commit is contained in:
Ryan Dortmans
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#include "global.h"
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#include "InputHandler_Xbox.h"
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#include "RageUtil.h"
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#include "RageLog.h"
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#include "RageDisplay.h"
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#include <xtl.h>
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struct DEVICE_STATE {
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XPP_DEVICE_TYPE *pxdt;
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DWORD dwState;
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};
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byte buttonMasks[] = { XINPUT_GAMEPAD_DPAD_LEFT,
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XINPUT_GAMEPAD_DPAD_RIGHT,
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XINPUT_GAMEPAD_DPAD_UP,
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XINPUT_GAMEPAD_DPAD_DOWN,
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XINPUT_GAMEPAD_START,
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XINPUT_GAMEPAD_BACK,
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XINPUT_GAMEPAD_LEFT_THUMB,
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XINPUT_GAMEPAD_RIGHT_THUMB};
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/**
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* XBOX controller maps to the following RageInputDevice constants:
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* DPAD -> JOY_HAT_...
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* START -> JOY_AUX_1
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* BACK -> JOY_AUX_2
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* Left thumb button -> JOY_AUX_3
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* Right thumb button -> JOY_AUX_4
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* Following buttons are JOY_(index):
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* A, B, X, Y, BLACK, WHITE, Left trigger, right trigger
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*/
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/* XXX: For some reason, with this input handler the input isn't handled on the gameplay screen!
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* All other menus work, and the screen itself sees the input and bounces the arrow, but no step
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* is actually registered. */
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InputHandler_Xbox::InputHandler_Xbox()
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{
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//
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// Init joysticks
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//
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XDEVICE_PREALLOC_TYPE xdpt[] = {{XDEVICE_TYPE_GAMEPAD, 4}};
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XInitDevices( sizeof(xdpt) / sizeof(XDEVICE_PREALLOC_TYPE), xdpt );
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getHandles();
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}
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InputHandler_Xbox::~InputHandler_Xbox()
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{
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for(unsigned i = 0; i < NUM_PLAYERS; i++)
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{
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if(joysticks[i] != 0)
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XInputClose(joysticks[i]);
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}
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}
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void InputHandler_Xbox::Update(float fDeltaTime)
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{
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// check insertions and removals
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DWORD dwInsert, dwRemove;
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DEVICE_STATE devices = {XDEVICE_TYPE_GAMEPAD, 0};
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bool changes = false;
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// Check each device type to see if any changes have occurred.
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if( XGetDeviceChanges( devices.pxdt, &dwInsert, &dwRemove ) )
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{
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for(int j = 0; j < 4; j++)
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{
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if(1 << j & dwRemove)
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{
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changes = true;
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LOG->Trace("A joystick was removed");
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}
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if(1 << j & dwInsert)
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{
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changes = true;
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LOG->Trace("A joystick was inserted");
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}
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}
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}
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if(changes)
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{
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getHandles();
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return;
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}
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for(unsigned i = 0; i < NUM_PLAYERS; i++)
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{
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if(joysticks[i] == 0)
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{
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LOG->Trace("Ignoring absent joystick");
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continue;
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}
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InputDevice inputDevice = InputDevice(DEVICE_JOY1 + i);
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XINPUT_STATE xis;
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// Query latest state.
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XInputGetState( joysticks[i], &xis );
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// check buttons
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for(int j = 0; j < NUM_BUTTONS; j++)
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{
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DWORD nowPressed = xis.Gamepad.wButtons & buttonMasks[j];
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DWORD wasPressed = lastState[i].wButtons & buttonMasks[j];
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if(nowPressed != wasPressed)
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{
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JoystickButton Button = JoystickButton(JOY_HAT_LEFT + j);
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if(Button >= NUM_JOYSTICK_BUTTONS)
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{
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LOG->Warn("Ignored joystick event (button too high)");
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continue;
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}
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DeviceInput di(inputDevice, Button);
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ButtonPressed(di, nowPressed != 0);
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continue;
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}
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}
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// check analog buttons
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for(int j = 0; j < NUM_ANALOG_BUTTONS; j++)
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{
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bool nowPressed = xis.Gamepad.bAnalogButtons[j] > XINPUT_GAMEPAD_MAX_CROSSTALK;
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bool wasPressed = lastState[i].bAnalogButtons[j] > XINPUT_GAMEPAD_MAX_CROSSTALK;
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if(nowPressed != wasPressed)
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{
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JoystickButton Button = JoystickButton(JOY_1 + j);
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if(Button >= NUM_JOYSTICK_BUTTONS)
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{
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LOG->Warn("Ignored joystick event (button too high)");
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continue;
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}
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DeviceInput di(inputDevice, Button);
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ButtonPressed(di, nowPressed);
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continue;
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}
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}
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// check thumbsticks
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SHORT axes[] = { xis.Gamepad.sThumbLX, xis.Gamepad.sThumbLY, xis.Gamepad.sThumbRX, xis.Gamepad.sThumbRY};
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for(int j = 0; j < NUM_AXES; j++)
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{
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if(axes[j] != 0)
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{
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JoystickButton neg = (JoystickButton)(JOY_LEFT + (2 * j));
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JoystickButton pos = (JoystickButton)(JOY_RIGHT + (2 * j));
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float l = SCALE( axes[j], 0.0f, 32768.0f, 0.0f, 1.0f );
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ButtonPressed(DeviceInput(inputDevice, neg,max(-l,0),RageZeroTimer), axes[j] < -16000);
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ButtonPressed(DeviceInput(inputDevice, pos,max(+l,0),RageZeroTimer), axes[j] > +16000);
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continue;
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}
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}
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memcpy(&lastState[i], &xis.Gamepad, sizeof(XINPUT_GAMEPAD));
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}
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}
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void InputHandler_Xbox::GetDevicesAndDescriptions(vector<InputDevice>& vDevicesOut, vector<CString>& vDescriptionsOut)
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{
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for( int i=0; i<NUM_PLAYERS; i++ )
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{
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if( joysticks[i] != 0 )
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{
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vDevicesOut.push_back( InputDevice(DEVICE_JOY1+i) );
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vDescriptionsOut.push_back( "" );
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}
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}
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}
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void InputHandler_Xbox::getHandles()
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{
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ZeroMemory( joysticks, sizeof(joysticks) );
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ZeroMemory( lastState, sizeof(lastState) );
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// Work out joystick handles
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DEVICE_STATE devices = {XDEVICE_TYPE_GAMEPAD, 0};
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devices.dwState = XGetDevices( devices.pxdt );
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// Check the global gamepad state for a connected device.
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unsigned playersAllocated = 0;
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unsigned joysFound = 0;
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for( unsigned i = 0; i < NUM_PORTS; i++ )
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{
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if( devices.dwState & 1 << i)
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{
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if(playersAllocated < NUM_PLAYERS)
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{
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XINPUT_POLLING_PARAMETERS pollingParameters = {TRUE, TRUE, 0, 8, 8, 0,};
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joysticks[playersAllocated] = XInputOpen(XDEVICE_TYPE_GAMEPAD, (DWORD)i, XDEVICE_NO_SLOT, &pollingParameters);
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playersAllocated++;
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}
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joysFound++;
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}
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}
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LOG->Info( "Found %d connected joysticks for %d players", joysFound, playersAllocated );
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}
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/*
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* (c) 2004 Ryan Dortmans
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, and/or sell copies of the Software, and to permit persons to
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* whom the Software is furnished to do so, provided that the above
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* copyright notice(s) and this permission notice appear in all copies of
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* the Software and that both the above copyright notice(s) and this
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* permission notice appear in supporting documentation.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF
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* THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS
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* INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT
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* OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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