1026 lines
31 KiB
C++
1026 lines
31 KiB
C++
//===== Copyright (c) 1996-2005, Valve Corporation, All rights reserved. ======//
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//
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// Purpose: OSX Joystick implementation for inputsystem.dll
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//
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//===========================================================================//
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#include <mach/mach.h>
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#include <mach/mach_error.h>
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/* For force feedback testing. */
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#include "inputsystem.h"
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#include "tier1/convar.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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ConVar joy_axisbutton_threshold( "joy_axisbutton_threshold", "0.3", FCVAR_ARCHIVE, "Analog axis range before a button press is registered." );
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ConVar joy_axis_deadzone( "joy_axis_deadzone", "0.2", FCVAR_ARCHIVE, "Dead zone near the zero point to not report movement." );
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//-----------------------------------------------------------------------------
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// Initialize all joysticks
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//-----------------------------------------------------------------------------
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void CInputSystem::InitializeJoysticks( void )
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{
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// assume no joystick
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m_nJoystickCount = 0;
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// abort startup if user requests no joystick
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if ( CommandLine()->FindParm("-nojoy" ) )
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return;
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IOReturn result = kIOReturnSuccess;
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mach_port_t masterPort = 0;
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io_iterator_t hidObjectIterator = 0;
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CFMutableDictionaryRef hidMatchDictionary = NULL;
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result = IOMasterPort( MACH_PORT_NULL, &masterPort);
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if ( kIOReturnSuccess != result )
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{
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DevMsg( 1, "joystick not found -- IOMasterPort error with bootstrap_port.\n");
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return;
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}
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hidMatchDictionary = IOServiceMatching(kIOHIDDeviceKey);
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if ( !hidMatchDictionary )
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{
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DevMsg( 1, "joystick not found -- Failed to get HID CFMutableDictionaryRef via IOServiceMatching.");
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return;
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}
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result = IOServiceGetMatchingServices( masterPort, hidMatchDictionary, &hidObjectIterator );
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if ( kIOReturnSuccess != result )
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{
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DevMsg( 1, "joystick not found -- Couldn't create a HID object iterator.");
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return ;
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}
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if ( !hidObjectIterator )
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{
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m_nJoystickCount = 0;
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return;
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}
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io_object_t ioHIDDeviceObject = 0;
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while ( ( ioHIDDeviceObject = IOIteratorNext(hidObjectIterator ) ) )
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{
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JoystickInfo_t &info = m_pJoystickInfo[m_nJoystickCount];
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info.m_pParent = this;
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info.m_bRemoved = false;
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info.m_Interface = NULL;
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info.m_FFInterface = 0;
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info.m_nButtonCount = 0;
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info.m_nFlags = 0;
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info.m_nAxisFlags = 0;
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info.m_bXBoxRumbleEnabled = false;
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// grab the device record
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if ( !HIDBuildDevice( ioHIDDeviceObject, info ) )
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continue;
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if ( FFIsForceFeedback(ioHIDDeviceObject) == FF_OK )
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{
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FFCreateDevice(ioHIDDeviceObject,&info.m_FFInterface);;
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}
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else
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{
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info.m_FFInterface = 0;
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}
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info.m_nDeviceId = m_nJoystickCount;
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info.m_nLastPolledButtons = 0;
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info.m_nLastPolledAxisButtons = 0;
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info.m_nLastPolledPOVState = 0;
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memset( info.m_pLastPolledAxes, 0, sizeof(info.m_pLastPolledAxes) );
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EnableJoystickInput( m_nJoystickCount, true );
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++m_nJoystickCount;
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}
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result = IOObjectRelease(hidObjectIterator);
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}
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void HIDReportErrorNum(char *strError, long numError)
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{
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DevMsg( 1, "%s", strError );
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}
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int ButtonSort(const void *a, const void *b)
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{
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CInputSystem::OSXInputValue_t *left = (CInputSystem::OSXInputValue_t *)a;
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CInputSystem::OSXInputValue_t *right = (CInputSystem::OSXInputValue_t *)b;
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return left->m_Usage - right->m_Usage;
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}
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void CInputSystem::HIDSortJoystickButtons( JoystickInfo_t &info )
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{
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qsort( info.m_Buttons, info.m_nButtonCount, sizeof(info.m_Buttons[0]), ButtonSort );
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}
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bool CInputSystem::HIDBuildDevice( io_object_t ioHIDDeviceObject, JoystickInfo_t &info )
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{
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CFMutableDictionaryRef hidProperties = 0;
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kern_return_t result = IORegistryEntryCreateCFProperties( ioHIDDeviceObject, &hidProperties, kCFAllocatorDefault, kNilOptions);
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if ((result == KERN_SUCCESS) && hidProperties)
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{
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if ( HIDCreateOpenDeviceInterface( ioHIDDeviceObject, info ) )
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{
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HIDGetDeviceInfo( ioHIDDeviceObject, hidProperties, info );
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HIDGetCollectionElements( hidProperties, info );
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HIDSortJoystickButtons( info );
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}
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else
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return false;
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CFRelease(hidProperties);
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}
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else
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return false;
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// Filter device list to non-keyboard/mouse stuff
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if ( info.usagePage != kHIDPage_GenericDesktop ||
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( ( info.usage != kHIDUsage_GD_Joystick &&
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info.usage != kHIDUsage_GD_GamePad &&
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info.usage != kHIDUsage_GD_MultiAxisController ) ) )
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{
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HIDDisposeDevice( info );
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return false;
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}
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return true;
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}
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static void HIDRemovalCallback(void *target, IOReturn result, void *refcon, void *sender)
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{
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CInputSystem::JoystickInfo_t *joy = (CInputSystem::JoystickInfo_t *) refcon;
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joy->m_bRemoved = true;
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}
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/* Create and open an interface to device, required prior to extracting values or building queues.
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* Note: appliction now owns the device and must close and release it prior to exiting
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*/
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bool CInputSystem::HIDCreateOpenDeviceInterface( io_object_t hidDevice, JoystickInfo_t &info )
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{
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IOReturn result = kIOReturnSuccess;
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HRESULT plugInResult = S_OK;
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SInt32 score = 0;
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IOCFPlugInInterface **ppPlugInInterface = NULL;
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if ( NULL == info.m_Interface )
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{
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result = IOCreatePlugInInterfaceForService(hidDevice, kIOHIDDeviceUserClientTypeID, kIOCFPlugInInterfaceID, &ppPlugInInterface, &score);
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if (kIOReturnSuccess == result)
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{
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plugInResult = (*ppPlugInInterface)->QueryInterface(ppPlugInInterface, CFUUIDGetUUIDBytes(kIOHIDDeviceInterfaceID),(void **)&(info.m_Interface) );
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if ( plugInResult != S_OK )
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HIDReportErrorNum("Couldn’t query HID class device interface from plugInInterface", plugInResult);
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(*ppPlugInInterface)->Release(ppPlugInInterface);
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}
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else
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HIDReportErrorNum("Failed to create **plugInInterface via IOCreatePlugInInterfaceForService.", result);
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}
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if ( info.m_Interface != NULL )
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{
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result = (*info.m_Interface)->open( info.m_Interface, 0);
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if ( result != kIOReturnSuccess )
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{
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HIDReportErrorNum("Failed to open pDevice->interface via open.", result);
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}
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else
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{
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(*info.m_Interface)->setRemovalCallback( info.m_Interface, HIDRemovalCallback, &info, this );
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}
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}
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return result == kIOReturnSuccess;
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}
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static void HIDTopLevelElementHandler(const void *value, void *parameter)
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{
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CFTypeRef refCF = 0;
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if (CFGetTypeID(value) != CFDictionaryGetTypeID())
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return;
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refCF = CFDictionaryGetValue((CFDictionaryRef)value, CFSTR(kIOHIDElementUsagePageKey));
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if ( !CFNumberGetValue((CFNumberRef)refCF, kCFNumberLongType, &((CInputSystem::JoystickInfo_t *) parameter)->usagePage) )
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DevMsg( 1, "HIDTopLevelElementHandler CFNumberGetValue error retrieving pDevice->usagePage." );
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refCF = CFDictionaryGetValue((CFDictionaryRef)value, CFSTR(kIOHIDElementUsageKey));
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if ( !CFNumberGetValue((CFNumberRef)refCF, kCFNumberLongType, &((CInputSystem::JoystickInfo_t *) parameter)->usage) )
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DevMsg( 1, "HIDTopLevelElementHandler CFNumberGetValue error retrieving pDevice->usage." );
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}
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void CInputSystem::HIDGetDeviceInfo( io_object_t hidDevice, CFMutableDictionaryRef hidProperties, JoystickInfo_t &info )
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{
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CFMutableDictionaryRef usbProperties = 0;
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io_registry_entry_t parent1, parent2;
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if ((KERN_SUCCESS == IORegistryEntryGetParentEntry(hidDevice, kIOServicePlane, &parent1))
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&& (KERN_SUCCESS == IORegistryEntryGetParentEntry(parent1, kIOServicePlane, &parent2))
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&& (KERN_SUCCESS == IORegistryEntryCreateCFProperties(parent2, &usbProperties, kCFAllocatorDefault, kNilOptions)))
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{
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if ( usbProperties )
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{
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CFTypeRef refCF = 0;
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long vendorid = 0;
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long productid = 0;
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refCF = CFDictionaryGetValue((CFDictionaryRef)hidProperties, CFSTR(kIOHIDVendorIDKey) );
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if (refCF)
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CFNumberGetValue((CFNumberRef)refCF, kCFNumberLongType, &vendorid );
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refCF = CFDictionaryGetValue((CFDictionaryRef)hidProperties, CFSTR(kIOHIDProductIDKey) );
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if (refCF)
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CFNumberGetValue((CFNumberRef)refCF, kCFNumberLongType, &productid );
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if ( vendorid == 0x045e )
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{
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m_bXController = true; // microsoft gamepad, lets call it a 360 controller
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}
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/* get usage page and usage */
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refCF = CFDictionaryGetValue((CFDictionaryRef)hidProperties, CFSTR(kIOHIDPrimaryUsagePageKey) );
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if (refCF)
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{
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if ( !CFNumberGetValue((CFNumberRef)refCF, kCFNumberLongType, &info.usagePage ) )
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DevMsg( 1, "CInputSystem::HIDGetDeviceInfo error retrieving pDevice->usagePage." );
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refCF = CFDictionaryGetValue((CFDictionaryRef)hidProperties, CFSTR(kIOHIDPrimaryUsageKey));
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if (refCF)
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if (!CFNumberGetValue((CFNumberRef)refCF, kCFNumberLongType, &info.usage))
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DevMsg( 1, "CInputSystem::HIDGetDeviceInfo error retrieving pDevice->usage." );
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}
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if (NULL == refCF)
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{
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CFTypeRef refCFTopElement = 0;
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refCFTopElement = CFDictionaryGetValue( (CFDictionaryRef)hidProperties, CFSTR(kIOHIDElementKey) );
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{
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CFRange range = { 0, CFArrayGetCount((CFArrayRef)refCFTopElement) };
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CFArrayApplyFunction( (CFArrayRef)refCFTopElement, range, HIDTopLevelElementHandler, &info );
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}
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}
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CFRelease( usbProperties );
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}
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else
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DevMsg( 1, "CInputSystem::HIDGetDeviceInfo IORegistryEntryCreateCFProperties failed to create usbProperties." );
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if (kIOReturnSuccess != IOObjectRelease(parent2) )
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DevMsg( 1, "CInputSystem::HIDGetDeviceInfo IOObjectRelease error with parent2." );
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if (kIOReturnSuccess != IOObjectRelease(parent1))
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DevMsg( 1, "CInputSystem::HIDGetDeviceInfo IOObjectRelease error with parent1." );
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}
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}
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void CInputSystem::HIDGetElementInfo( CFTypeRef refElement, OSXInputValue_t &input )
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{
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long number;
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CFTypeRef refType;
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refType = CFDictionaryGetValue( (CFDictionaryRef)refElement, CFSTR(kIOHIDElementCookieKey) );
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if ( refType && CFNumberGetValue( (CFNumberRef)refType, kCFNumberLongType, &number ) )
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input.m_Cookie = (int) number;
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refType = CFDictionaryGetValue( (CFDictionaryRef)refElement, CFSTR(kIOHIDElementMinKey) );
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if ( refType && CFNumberGetValue( (CFNumberRef)refType, kCFNumberLongType, &number ) )
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{
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input.m_MinVal = input.m_MinReport = number;
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input.m_MaxVal = input.m_MaxReport = input.m_MinVal;
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}
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refType = CFDictionaryGetValue( (CFDictionaryRef)refElement, CFSTR(kIOHIDElementMaxKey) );
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if ( refType && CFNumberGetValue( (CFNumberRef)refType, kCFNumberLongType, &number ) )
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{
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input.m_MaxVal = input.m_MaxReport = number;
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}
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input.m_bSet = true;
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input.m_RefElement = refElement;
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refType = CFDictionaryGetValue( (CFDictionaryRef)refElement, CFSTR(kIOHIDElementUsageKey) );
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if ( refType && CFNumberGetValue( (CFNumberRef)refType, kCFNumberLongType, &number ) )
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{
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input.m_Usage = number;
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}
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}
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void CInputSystem::HIDAddElement(CFTypeRef refElement, JoystickInfo_t &info )
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{
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long elementType, usagePage, usage;
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CFTypeRef refElementType = CFDictionaryGetValue( (CFDictionaryRef)refElement, CFSTR(kIOHIDElementTypeKey) );
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CFTypeRef refUsagePage = CFDictionaryGetValue( (CFDictionaryRef)refElement, CFSTR(kIOHIDElementUsagePageKey) );
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CFTypeRef refUsage = CFDictionaryGetValue( (CFDictionaryRef)refElement, CFSTR(kIOHIDElementUsageKey) );
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if ( refElementType && CFNumberGetValue( (CFNumberRef)refElementType, kCFNumberLongType, &elementType) )
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{
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if ( (elementType == kIOHIDElementTypeInput_Misc) || (elementType == kIOHIDElementTypeInput_Button) || (elementType == kIOHIDElementTypeInput_Axis) )
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{
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if ( refUsagePage && CFNumberGetValue( (CFNumberRef)refUsagePage, kCFNumberLongType, &usagePage )
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&& refUsage && CFNumberGetValue( (CFNumberRef)refUsage, kCFNumberLongType, &usage ) )
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{
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switch (usagePage)
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{
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case kHIDPage_GenericDesktop:
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{
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switch ( usage )
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{
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case kHIDUsage_GD_X:
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HIDGetElementInfo( refElement, info.m_xaxis );
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info.m_nAxisFlags |= 0x3;
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break;
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case kHIDUsage_GD_Y:
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HIDGetElementInfo( refElement, info.m_yaxis );
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info.m_nAxisFlags |= 0x3;
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break;
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case kHIDUsage_GD_Z:
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HIDGetElementInfo( refElement, info.m_zaxis );
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info.m_nAxisFlags |= 0x4;
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break;
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case kHIDUsage_GD_Rx:
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HIDGetElementInfo( refElement, info.m_uaxis );
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info.m_nAxisFlags |= 0x8;
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break;
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case kHIDUsage_GD_Ry:
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HIDGetElementInfo( refElement, info.m_raxis );
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info.m_nAxisFlags |= 0x10;
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break;
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case kHIDUsage_GD_Rz:
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HIDGetElementInfo( refElement, info.m_vaxis );
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info.m_nAxisFlags |= 0x20;
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break;
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case kHIDUsage_GD_Slider:
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case kHIDUsage_GD_Dial:
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case kHIDUsage_GD_Wheel:
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// unused
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break;
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case kHIDUsage_GD_Hatswitch:
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HIDGetElementInfo( refElement, info.m_POV );
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info.m_bHasPOVControl = true;
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break;
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default:
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break;
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}
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}
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break;
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case kHIDPage_Button:
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if ( info.m_nButtonCount < MAX_JOYSTICK_BUTTONS )
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{
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HIDGetElementInfo( refElement, info.m_Buttons[ info.m_nButtonCount ] );
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info.m_nButtonCount++;
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}
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break;
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default:
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break;
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}
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}
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}
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else if (kIOHIDElementTypeCollection == elementType)
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{
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HIDGetCollectionElements((CFMutableDictionaryRef) refElement, info );
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}
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}
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}
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static void HIDGetElementsCFArrayHandler( const void *value, void *parameter )
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{
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if ( CFGetTypeID(value) == CFDictionaryGetTypeID() )
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{
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CInputSystem::JoystickInfo_t *info = (CInputSystem::JoystickInfo_t *)parameter;
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if ( info )
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info->m_pParent->HIDAddElement( (CFTypeRef)value, *info );
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}
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}
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void CInputSystem::HIDGetElements( CFTypeRef refElementCurrent, JoystickInfo_t &info )
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{
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CFTypeID type = CFGetTypeID(refElementCurrent);
|
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if (type == CFArrayGetTypeID())
|
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{
|
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CFRange range = { 0, CFArrayGetCount((CFArrayRef)refElementCurrent) };
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CFArrayApplyFunction((CFArrayRef)refElementCurrent, range, HIDGetElementsCFArrayHandler, &info );
|
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}
|
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}
|
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|
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void CInputSystem::HIDGetCollectionElements( CFMutableDictionaryRef deviceProperties, JoystickInfo_t &info )
|
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{
|
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CFTypeRef refElementTop = CFDictionaryGetValue((CFDictionaryRef)deviceProperties, CFSTR(kIOHIDElementKey));
|
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if (refElementTop)
|
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HIDGetElements( refElementTop, info );
|
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}
|
||
|
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|
||
|
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|
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void CInputSystem::HIDDisposeDevice( JoystickInfo_t &info )
|
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{
|
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kern_return_t result = KERN_SUCCESS;
|
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if ( info.m_FFInterface )
|
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{
|
||
if ( m_bXController && info.m_bXBoxRumbleEnabled )
|
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{
|
||
info.m_bXBoxRumbleEnabled = false;
|
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FFEFFESCAPE escape;
|
||
char c;
|
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c=0x00;
|
||
escape.dwSize=sizeof(escape);
|
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escape.dwCommand=0x00;
|
||
escape.cbInBuffer=sizeof(c);
|
||
escape.lpvInBuffer=&c;
|
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escape.cbOutBuffer=0;
|
||
escape.lpvOutBuffer=NULL;
|
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FFDeviceEscape( info.m_FFInterface ,&escape );
|
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}
|
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FFReleaseDevice( info.m_FFInterface );
|
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}
|
||
|
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result = (*info.m_Interface)->close( info.m_Interface );
|
||
if ( result == kIOReturnNotOpen )
|
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{
|
||
// wasn't open, what?
|
||
}
|
||
else if ( result != kIOReturnSuccess)
|
||
{
|
||
HIDReportErrorNum( "Failed to close IOHIDDeviceInterface.", result );
|
||
}
|
||
|
||
result = (*info.m_Interface)->Release( info.m_Interface );
|
||
if ( kIOReturnSuccess != result )
|
||
{
|
||
HIDReportErrorNum( "Failed to release IOHIDDeviceInterface.", result );
|
||
}
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
//-----------------------------------------------------------------------------
|
||
// Process the event
|
||
//-----------------------------------------------------------------------------
|
||
void CInputSystem::JoystickButtonEvent( ButtonCode_t button, int sample )
|
||
{
|
||
// package the key
|
||
if ( sample )
|
||
{
|
||
PostButtonPressedEvent( IE_ButtonPressed, m_nLastSampleTick, button, button );
|
||
}
|
||
else
|
||
{
|
||
PostButtonReleasedEvent( IE_ButtonReleased, m_nLastSampleTick, button, button );
|
||
}
|
||
}
|
||
|
||
|
||
//-----------------------------------------------------------------------------
|
||
// Update the joystick button state
|
||
//-----------------------------------------------------------------------------
|
||
void CInputSystem::UpdateJoystickButtonState( int nJoystick )
|
||
{
|
||
JoystickInfo_t &info = m_pJoystickInfo[nJoystick];
|
||
|
||
int nButtons = 0;
|
||
for ( int i = 0; i < info.m_nButtonCount; i++ )
|
||
{
|
||
int value = HIDGetElementValue( info, info.m_Buttons[i] ) - info.m_Buttons[i].m_MinVal;
|
||
int mask = info.m_nLastPolledButtons & ( 1 << i );
|
||
if ( !mask && !value ) // not pressed last time or this
|
||
continue;
|
||
|
||
ButtonCode_t code = (ButtonCode_t)JOYSTICK_BUTTON( nJoystick, i );
|
||
if ( m_bXController )
|
||
{
|
||
// translate the xcontroller xpad buttons into the POV button presses we expect
|
||
if ( i == 11 )
|
||
code = KEY_XBUTTON_UP;
|
||
if ( i == 12 )
|
||
code = KEY_XBUTTON_DOWN;
|
||
if ( i == 13 )
|
||
code = KEY_XBUTTON_LEFT;
|
||
if ( i == 14 )
|
||
code = KEY_XBUTTON_RIGHT;
|
||
}
|
||
|
||
if ( value )
|
||
{
|
||
// down event
|
||
JoystickButtonEvent( code, MAX_BUTTONSAMPLE );
|
||
}
|
||
else
|
||
{
|
||
// up event
|
||
JoystickButtonEvent( code, 0 );
|
||
}
|
||
|
||
info.m_nLastPolledButtons &= ~( 1 << i );
|
||
if ( value )
|
||
info.m_nLastPolledButtons |= ( 1 << i );
|
||
}
|
||
|
||
// Analog axis buttons
|
||
for ( int j = 0 ; j < MAX_JOYSTICK_AXES; ++j )
|
||
{
|
||
if ( ( info.m_nAxisFlags & (1 << j) ) == 0 )
|
||
continue;
|
||
|
||
// Positive side of the axis
|
||
int mask = ( 1 << (j << 1) );
|
||
ButtonCode_t code = JOYSTICK_AXIS_BUTTON( nJoystick, (j << 1) );
|
||
float value = GetAnalogValue( JOYSTICK_AXIS( nJoystick, j ) );
|
||
float minValue = joy_axisbutton_threshold.GetFloat();
|
||
switch (j)
|
||
{
|
||
default:
|
||
case 0:
|
||
minValue *= info.m_xaxis.m_MaxVal;
|
||
break;
|
||
case 1:
|
||
minValue *= info.m_yaxis.m_MaxVal;
|
||
break;
|
||
case 2:
|
||
minValue *= info.m_zaxis.m_MaxVal;
|
||
break;
|
||
case 3:
|
||
minValue *= info.m_raxis.m_MaxVal;
|
||
break;
|
||
case 4:
|
||
minValue *= info.m_uaxis.m_MaxVal;
|
||
break;
|
||
case 5:
|
||
minValue *= info.m_vaxis.m_MaxVal;
|
||
break;
|
||
}
|
||
if ( j == 5 )
|
||
code = KEY_XBUTTON_RTRIGGER; // left and right triggers go 0 to 255 under osx, so drag R axis over to z negative
|
||
|
||
if ( value > minValue && !(info.m_nLastPolledAxisButtons & mask) )
|
||
{
|
||
info.m_nLastPolledAxisButtons |= mask;
|
||
JoystickButtonEvent( code, MAX_BUTTONSAMPLE );
|
||
}
|
||
if ( value <= minValue && (info.m_nLastPolledAxisButtons & mask) )
|
||
{
|
||
info.m_nLastPolledAxisButtons &= ~mask;
|
||
JoystickButtonEvent( code, 0 );
|
||
}
|
||
|
||
// Negative side of the axis
|
||
mask <<= 1;
|
||
code = (ButtonCode_t)( code + 1 );
|
||
if ( value < -minValue && !(info.m_nLastPolledAxisButtons & mask) )
|
||
{
|
||
info.m_nLastPolledAxisButtons |= mask;
|
||
JoystickButtonEvent( code, MAX_BUTTONSAMPLE );
|
||
}
|
||
if ( value >= -minValue && (info.m_nLastPolledAxisButtons & mask) )
|
||
{
|
||
info.m_nLastPolledAxisButtons &= ~mask;
|
||
JoystickButtonEvent( code, 0 );
|
||
}
|
||
}
|
||
}
|
||
|
||
|
||
int CInputSystem::HIDGetElementValue( JoystickInfo_t &info, OSXInputValue_t &value )
|
||
{
|
||
IOReturn result = kIOReturnSuccess;
|
||
IOHIDEventStruct hidEvent;
|
||
hidEvent.value = 0;
|
||
|
||
if ( info.m_Interface != NULL )
|
||
{
|
||
result = (*info.m_Interface)->getElementValue( info.m_Interface, ( IOHIDElementCookie )value.m_Cookie, &hidEvent);
|
||
if (kIOReturnSuccess == result)
|
||
{
|
||
if ( hidEvent.value < value.m_MinReport )
|
||
value.m_MinReport = hidEvent.value;
|
||
if ( hidEvent.value > value.m_MaxReport )
|
||
value.m_MaxReport = hidEvent.value;
|
||
}
|
||
}
|
||
|
||
return hidEvent.value;
|
||
}
|
||
|
||
|
||
int CInputSystem::HIDScaledCalibratedValue( JoystickInfo_t &info, OSXInputValue_t &value )
|
||
{
|
||
float deviceScale = value.m_MaxVal - value.m_MinVal;
|
||
float readScale = value.m_MaxReport - value.m_MinReport;
|
||
int joyvalue = HIDGetElementValue( info, value );
|
||
if (readScale == 0)
|
||
return joyvalue;
|
||
else
|
||
return ( (joyvalue - value.m_MinReport) * deviceScale / readScale) + value.m_MinVal;
|
||
}
|
||
|
||
|
||
//-----------------------------------------------------------------------------
|
||
// Purpose: Get raw joystick sample along axis
|
||
//-----------------------------------------------------------------------------
|
||
unsigned int CInputSystem::AxisValue( JoystickAxis_t axis, JoystickInfo_t &info )
|
||
{
|
||
switch (axis)
|
||
{
|
||
case JOY_AXIS_X:
|
||
return (unsigned int)HIDScaledCalibratedValue( info, info.m_xaxis );
|
||
case JOY_AXIS_Y:
|
||
return (unsigned int)HIDScaledCalibratedValue( info, info.m_yaxis );
|
||
case JOY_AXIS_Z:
|
||
return (unsigned int)HIDScaledCalibratedValue( info, info.m_zaxis );
|
||
case JOY_AXIS_R:
|
||
return (unsigned int)HIDScaledCalibratedValue( info, info.m_raxis );
|
||
case JOY_AXIS_U:
|
||
return (unsigned int)HIDScaledCalibratedValue( info, info.m_uaxis );
|
||
case JOY_AXIS_V:
|
||
return (unsigned int)HIDScaledCalibratedValue( info, info.m_vaxis );
|
||
}
|
||
// FIX: need to do some kind of error
|
||
return (unsigned int)HIDScaledCalibratedValue( info, info.m_xaxis );
|
||
}
|
||
|
||
|
||
//-----------------------------------------------------------------------------
|
||
// Update the joystick POV control
|
||
//-----------------------------------------------------------------------------
|
||
void CInputSystem::UpdateJoystickPOVControl( int nJoystick )
|
||
{
|
||
JoystickInfo_t &info = m_pJoystickInfo[nJoystick];
|
||
|
||
if ( !info.m_bHasPOVControl )
|
||
return;
|
||
|
||
// convert POV information into 4 bits of state information
|
||
// this avoids any potential problems related to moving from one
|
||
// direction to another without going through the center position
|
||
unsigned int povstate = 0;
|
||
|
||
int range = ( info.m_POV.m_MaxVal - info.m_POV.m_MinVal + 1 );
|
||
int value = HIDGetElementValue( info, info.m_POV ) - info.m_POV.m_MinVal;
|
||
if (range == 4) /* 4 position hatswitch - scale up value */
|
||
value *= 2;
|
||
else if (range != 8) /* Neither a 4 nor 8 positions - fall back to default position (centered) */
|
||
value = -1;
|
||
switch (value)
|
||
{
|
||
case 0:
|
||
povstate |= 0x01;
|
||
break;
|
||
case 1:
|
||
povstate |= 0x01;
|
||
if ( info.m_bDiagonalPOVControlEnabled )
|
||
povstate |= 0x02;
|
||
break;
|
||
case 2:
|
||
povstate |= 0x02;
|
||
break;
|
||
case 3:
|
||
povstate |= 0x02;
|
||
if ( info.m_bDiagonalPOVControlEnabled )
|
||
povstate |= 0x04;
|
||
break;
|
||
case 4:
|
||
povstate |= 0x04;
|
||
break;
|
||
case 5:
|
||
povstate |= 0x04;
|
||
if ( info.m_bDiagonalPOVControlEnabled )
|
||
povstate |= 0x08;
|
||
break;
|
||
case 6:
|
||
povstate |= 0x08;
|
||
break;
|
||
case 7:
|
||
povstate |= 0x08;
|
||
if ( info.m_bDiagonalPOVControlEnabled )
|
||
povstate |= 0x01;
|
||
break;
|
||
default:
|
||
povstate = 0;
|
||
break;
|
||
}
|
||
|
||
// determine which bits have changed and key an auxillary event for each change
|
||
unsigned int buttons = povstate ^ info.m_nLastPolledPOVState;
|
||
if ( buttons )
|
||
{
|
||
for ( int i = 0; i < JOYSTICK_POV_BUTTON_COUNT; ++i )
|
||
{
|
||
unsigned int mask = buttons & ( 1 << i );
|
||
if ( !mask )
|
||
continue;
|
||
|
||
ButtonCode_t code = (ButtonCode_t)JOYSTICK_POV_BUTTON( nJoystick, i );
|
||
|
||
if ( mask & povstate )
|
||
{
|
||
// Keydown on POV buttons
|
||
JoystickButtonEvent( code, MAX_BUTTONSAMPLE );
|
||
}
|
||
else
|
||
{
|
||
// KeyUp on POV buttons
|
||
JoystickButtonEvent( code, 0 );
|
||
}
|
||
}
|
||
|
||
// Latch old values
|
||
info.m_nLastPolledPOVState = povstate;
|
||
}
|
||
}
|
||
|
||
|
||
//-----------------------------------------------------------------------------
|
||
// Purpose: Sample the joystick
|
||
//-----------------------------------------------------------------------------
|
||
void CInputSystem::PollJoystick( void )
|
||
{
|
||
if ( !m_JoysticksEnabled.IsAnyFlagSet() )
|
||
return;
|
||
|
||
InputState_t &state = m_InputState[ m_bIsPolling ];
|
||
for ( int i = 0; i < m_nJoystickCount; ++i )
|
||
{
|
||
if ( !m_JoysticksEnabled.IsFlagSet( 1 << i ) )
|
||
continue;
|
||
|
||
JoystickInfo_t &info = m_pJoystickInfo[i];
|
||
if ( info.m_bRemoved )
|
||
continue;
|
||
|
||
// Poll joystick axes
|
||
for ( int j = 0; j < MAX_JOYSTICK_AXES; ++j )
|
||
{
|
||
if ( ( info.m_nAxisFlags & ( 1 << j ) ) == 0 )
|
||
continue;
|
||
|
||
AnalogCode_t code = JOYSTICK_AXIS( i, j );
|
||
int nValue = AxisValue( (JoystickAxis_t)j, info );
|
||
float minValue = joy_axis_deadzone.GetFloat();
|
||
switch (j)
|
||
{
|
||
default:
|
||
case 0:
|
||
minValue *= info.m_xaxis.m_MaxVal;
|
||
break;
|
||
case 1:
|
||
minValue *= info.m_yaxis.m_MaxVal;
|
||
break;
|
||
case 2:
|
||
minValue *= info.m_zaxis.m_MaxVal;
|
||
break;
|
||
case 3:
|
||
minValue *= info.m_raxis.m_MaxVal;
|
||
break;
|
||
case 4:
|
||
minValue *= info.m_uaxis.m_MaxVal;
|
||
break;
|
||
case 5:
|
||
minValue *= info.m_vaxis.m_MaxVal;
|
||
break;
|
||
}
|
||
|
||
if ( fabs(nValue) < minValue )
|
||
nValue = 0;
|
||
|
||
state.m_pAnalogDelta[ code ] = nValue - state.m_pAnalogValue[ code ];
|
||
state.m_pAnalogValue[ code ] = nValue;
|
||
|
||
if ( state.m_pAnalogDelta[ code ] != 0 )
|
||
{
|
||
//printf( "Joystick %i %d %d\n", code, state.m_pAnalogValue[ code ], state.m_pAnalogDelta[ code ] );
|
||
PostEvent( IE_AnalogValueChanged, m_nLastSampleTick, code, state.m_pAnalogValue[ code ], state.m_pAnalogDelta[ code ] );
|
||
}
|
||
}
|
||
|
||
UpdateJoystickButtonState( i );
|
||
UpdateJoystickPOVControl( i );
|
||
}
|
||
}
|
||
|
||
|
||
void CInputSystem::SetXDeviceRumble( float fLeftMotor, float fRightMotor, int userId )
|
||
{
|
||
for ( int i = 0; i < m_nJoystickCount; ++i )
|
||
{
|
||
JoystickInfo_t &info = m_pJoystickInfo[i];
|
||
if ( info.m_bRemoved || !info.m_FFInterface )
|
||
continue;
|
||
|
||
if ( m_bXController && !info.m_bXBoxRumbleEnabled )
|
||
{
|
||
info.m_bXBoxRumbleEnabled = true;
|
||
FFEFFESCAPE escape;
|
||
char c;
|
||
c=0x01;
|
||
escape.dwSize=sizeof(escape);
|
||
escape.dwCommand=0x00;
|
||
escape.cbInBuffer=sizeof(c);
|
||
escape.lpvInBuffer=&c;
|
||
escape.cbOutBuffer=0;
|
||
escape.lpvOutBuffer=NULL;
|
||
FFDeviceEscape( info.m_FFInterface ,&escape );
|
||
}
|
||
FFEFFESCAPE escape;
|
||
char c[2];
|
||
|
||
c[0]=(unsigned char) (fLeftMotor*255.0);
|
||
c[1]=(unsigned char) (fRightMotor*255.0);
|
||
escape.dwSize=sizeof(escape);
|
||
escape.dwCommand=0x01;
|
||
escape.cbInBuffer=sizeof(c);
|
||
escape.lpvInBuffer=c;
|
||
escape.cbOutBuffer=0;
|
||
escape.lpvOutBuffer=NULL;
|
||
FFDeviceEscape( info.m_FFInterface ,&escape );
|
||
}
|
||
}
|
||
|
||
// [will] BEGIN - These were copied from xcontroller.cpp for X360 button press emulation in OSX.
|
||
// We don't want to fully support XController on OSX, just enough to emulate Xbox Controller button presses.
|
||
// So instead of #defining out half of xcontroller.cpp for OSX, just copied it here.
|
||
#if !defined( _CERT )
|
||
|
||
#define XBX_MAX_BUTTONSAMPLE 32768
|
||
#define XBX_MAX_ANALOGSAMPLE 255
|
||
#define XBX_MAX_STICKSAMPLE_LEFT 32768
|
||
#define XBX_MAX_STICKSAMPLE_RIGHT 32767
|
||
#define XBX_MAX_STICKSAMPLE_DOWN 32768
|
||
#define XBX_MAX_STICKSAMPLE_UP 32767
|
||
|
||
#define XBX_STICK_SCALE_LEFT(x) ( ( float )XBX_MAX_STICKSAMPLE_LEFT/( float )( XBX_MAX_STICKSAMPLE_LEFT-(x) ) )
|
||
#define XBX_STICK_SCALE_RIGHT(x) ( ( float )XBX_MAX_STICKSAMPLE_RIGHT/( float )( XBX_MAX_STICKSAMPLE_RIGHT-(x) ) )
|
||
#define XBX_STICK_SCALE_DOWN(x) ( ( float )XBX_MAX_STICKSAMPLE_DOWN/( float )( XBX_MAX_STICKSAMPLE_DOWN-(x) ) )
|
||
#define XBX_STICK_SCALE_UP(x) ( ( float )XBX_MAX_STICKSAMPLE_UP/( float )( XBX_MAX_STICKSAMPLE_UP-(x) ) )
|
||
|
||
#define XBX_STICK_SMALL_THRESHOLD ((int)( 0.20f * XBX_MAX_STICKSAMPLE_LEFT ))
|
||
|
||
// Threshold for counting analog movement as a button press
|
||
#define JOYSTICK_ANALOG_BUTTON_THRESHOLD XBX_MAX_STICKSAMPLE_LEFT * 0.4f
|
||
//-----------------------------------------------------------------------------
|
||
// Purpose: Post Xbox events, ignoring key repeats
|
||
//-----------------------------------------------------------------------------
|
||
void CInputSystem::PostXKeyEvent( int userId, xKey_t xKey, int nSample )
|
||
{
|
||
AnalogCode_t code = ANALOG_CODE_LAST;
|
||
float value = 0.f;
|
||
|
||
// Map the physical controller slot to the split screen slot
|
||
#if defined( _GAMECONSOLE )
|
||
int nMsgSlot = XBX_GetSlotByUserId( userId );
|
||
#ifdef _PS3
|
||
if ( ( XBX_GetNumGameUsers() <= 1 ) && !ps3_joy_ss.GetBool() )
|
||
{
|
||
// In PS3 START button identification mode START key notification
|
||
// is replaced with INACTIVE_START notification that can identify
|
||
// controller that pressed the button
|
||
if ( ( xKey == XK_BUTTON_START ) && ( nMsgSlot < 0 )
|
||
&& ( ( Plat_FloatTime() - g_ps3_flTimeStartButtonIdentificationMode ) < 0.5f ) )
|
||
{
|
||
xKey = XK_BUTTON_INACTIVE_START;
|
||
nMsgSlot = userId;
|
||
}
|
||
else
|
||
{
|
||
// When we don't have splitscreen then any controller can
|
||
// play and will be visible as controller #0
|
||
nMsgSlot = 0;
|
||
}
|
||
}
|
||
#endif
|
||
if ( nMsgSlot < 0 )
|
||
{
|
||
// special case, that if you press start on a controller we've marked inactive, switch it to an
|
||
// XK_BUTTON_INACTIVE_START which you can handle joins from inactive controllers
|
||
if ( xKey == XK_BUTTON_START )
|
||
{
|
||
xKey = XK_BUTTON_INACTIVE_START;
|
||
nMsgSlot = userId;
|
||
}
|
||
else
|
||
{
|
||
return; // We are not listening to this controller (not signed in and assigned)
|
||
}
|
||
}
|
||
#else //defined( _GAMECONSOLE )
|
||
int nMsgSlot = userId;
|
||
#endif //defined( _GAMECONSOLE )
|
||
|
||
int nSampleThreshold = 0;
|
||
|
||
// Look for changes on the analog axes
|
||
switch( xKey )
|
||
{
|
||
case XK_STICK1_LEFT:
|
||
case XK_STICK1_RIGHT:
|
||
{
|
||
code = (AnalogCode_t)JOYSTICK_AXIS( nMsgSlot, JOY_AXIS_X );
|
||
value = ( xKey == XK_STICK1_LEFT ) ? -nSample : nSample;
|
||
nSampleThreshold = ( int )( JOYSTICK_ANALOG_BUTTON_THRESHOLD );
|
||
}
|
||
break;
|
||
|
||
case XK_STICK1_UP:
|
||
case XK_STICK1_DOWN:
|
||
{
|
||
code = (AnalogCode_t)JOYSTICK_AXIS( nMsgSlot, JOY_AXIS_Y );
|
||
value = ( xKey == XK_STICK1_UP ) ? -nSample : nSample;
|
||
nSampleThreshold = ( int )( JOYSTICK_ANALOG_BUTTON_THRESHOLD );
|
||
}
|
||
break;
|
||
|
||
case XK_STICK2_LEFT:
|
||
case XK_STICK2_RIGHT:
|
||
{
|
||
code = (AnalogCode_t)JOYSTICK_AXIS( nMsgSlot, JOY_AXIS_U );
|
||
value = ( xKey == XK_STICK2_LEFT ) ? -nSample : nSample;
|
||
nSampleThreshold = ( int )( JOYSTICK_ANALOG_BUTTON_THRESHOLD );
|
||
}
|
||
break;
|
||
|
||
case XK_STICK2_UP:
|
||
case XK_STICK2_DOWN:
|
||
{
|
||
code = (AnalogCode_t)JOYSTICK_AXIS( nMsgSlot, JOY_AXIS_R );
|
||
value = ( xKey == XK_STICK2_UP ) ? -nSample : nSample;
|
||
nSampleThreshold = ( int )( JOYSTICK_ANALOG_BUTTON_THRESHOLD );
|
||
}
|
||
break;
|
||
}
|
||
|
||
// Store the analog event
|
||
if ( ANALOG_CODE_LAST != code )
|
||
{
|
||
InputState_t &state = m_InputState[ m_bIsPolling ];
|
||
state.m_pAnalogDelta[ code ] = ( int )( value - state.m_pAnalogValue[ code ] );
|
||
state.m_pAnalogValue[ code ] = ( int )value;
|
||
if ( state.m_pAnalogDelta[ code ] != 0 )
|
||
{
|
||
PostEvent( IE_AnalogValueChanged, m_nLastSampleTick, code, ( int )value, state.m_pAnalogDelta[ code ] );
|
||
}
|
||
}
|
||
|
||
// store the key
|
||
m_appXKeys[userId][xKey].sample = nSample;
|
||
if ( nSample > nSampleThreshold )
|
||
{
|
||
m_appXKeys[userId][xKey].repeats++;
|
||
}
|
||
else
|
||
{
|
||
m_appXKeys[userId][xKey].repeats = 0;
|
||
nSample = 0;
|
||
}
|
||
|
||
if ( m_appXKeys[userId][xKey].repeats > 1 )
|
||
{
|
||
// application cannot handle streaming keys
|
||
// first keypress is the only edge trigger
|
||
return;
|
||
}
|
||
|
||
// package the key
|
||
ButtonCode_t buttonCode = XKeyToButtonCode( nMsgSlot, xKey );
|
||
if ( nSample )
|
||
{
|
||
PostButtonPressedEvent( IE_ButtonPressed, m_nLastSampleTick, buttonCode, buttonCode );
|
||
|
||
// [dkorus] check whether we're trying to set the current controller
|
||
if( ( buttonCode == KEY_XBUTTON_A || buttonCode == XK_BUTTON_START )
|
||
&& m_setCurrentInputDeviceOnNextButtonPress )
|
||
{
|
||
if( IsInputDeviceConnected( INPUT_DEVICE_GAMEPAD ) )
|
||
{
|
||
SetCurrentInputDevice( INPUT_DEVICE_GAMEPAD );
|
||
ConVarRef var( "joystick" );
|
||
if( var.IsValid( ) )
|
||
var.SetValue( 1 );
|
||
m_setCurrentInputDeviceOnNextButtonPress = false;
|
||
}
|
||
}
|
||
|
||
}
|
||
else
|
||
{
|
||
PostButtonReleasedEvent( IE_ButtonReleased, m_nLastSampleTick, buttonCode, buttonCode );
|
||
}
|
||
}
|
||
#endif // _CERT
|
||
// [will] END - These were copied from xcontroller.cpp for X360 button press emulation in OSX.
|