146 lines
7.1 KiB
C
146 lines
7.1 KiB
C
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//-----------------------------------------------------------------------------
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// File: MultiDI.h
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//
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// Desc: Multiple user DirectInput support using action mapping
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//
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// Copyright (C) Microsoft Corporation. All Rights Reserved.
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//-----------------------------------------------------------------------------
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#ifndef MULTIDI_H
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#define MULTIDI_H
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#ifndef DIRECTINPUT_VERSION
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#define DIRECTINPUT_VERSION 0x0800
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#endif
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#include <dinput.h>
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//-----------------------------------------------------------------------------
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// Miscellaneous helper functions
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//-----------------------------------------------------------------------------
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#define SAFE_DELETE(p) { if(p) { delete (p); (p)=NULL; } }
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#define SAFE_DELETE_ARRAY(p) { if(p) { delete[] (p); (p)=NULL; } }
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#define SAFE_RELEASE(p) { if(p) { (p)->Release(); (p)=NULL; } }
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HRESULT DXUtil_WriteStringRegKey( HKEY hKey, LPCTSTR strRegName, LPCTSTR strValue );
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HRESULT DXUtil_ReadStringRegKeyCch( HKEY hKey, LPCTSTR strRegName, TCHAR* strDest, DWORD cchDest, LPCTSTR strDefault );
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HRESULT DXUtil_ConvertGUIDToStringCch( const GUID* pGuidSrc, TCHAR* strDest, int cchDestChar );
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HRESULT DXUtil_ConvertWideStringToGenericCch( TCHAR* tstrDestination, const WCHAR* wstrSource, int cchDestChar );
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//-----------------------------------------------------------------------------
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// Name: DXUtil_Timer()
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// Desc: Performs timer opertations. Use the following commands:
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// TIMER_RESET - to reset the timer
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// TIMER_START - to start the timer
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// TIMER_STOP - to stop (or pause) the timer
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// TIMER_ADVANCE - to advance the timer by 0.1 seconds
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// TIMER_GETABSOLUTETIME - to get the absolute system time
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// TIMER_GETAPPTIME - to get the current time
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// TIMER_GETELAPSEDTIME - to get the time that elapsed between
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// TIMER_GETELAPSEDTIME calls
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//-----------------------------------------------------------------------------
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enum TIMER_COMMAND { TIMER_RESET, TIMER_START, TIMER_STOP, TIMER_ADVANCE,
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TIMER_GETABSOLUTETIME, TIMER_GETAPPTIME, TIMER_GETELAPSEDTIME };
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FLOAT __stdcall DXUtil_Timer( TIMER_COMMAND command );
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// E_DIUTILERR_PLAYERWITHOUTDEVICE is returned by the manager class after configuring
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// device, and there's a player that hasn't been assigned a device.
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#define E_DIUTILERR_PLAYERWITHOUTDEVICE MAKE_HRESULT(SEVERITY_ERROR,FACILITY_ITF,997)
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// E_DIUTILERR_DEVICESTAKEN is returned by the manager class when one player
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// on the machine has enough RECENT devices to prevent other players from
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// playing. This return code is needed because this sample attempts to give
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// all RECENT devices to that player.
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#define E_DIUTILERR_DEVICESTAKEN MAKE_HRESULT(SEVERITY_ERROR,FACILITY_ITF,998)
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// E_DIUTILERR_TOOMANYUSERS is returned by the manager class when the number of
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// players exceeds the number of devices present on the system. For example,
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// if you ask for 4 players on a machine that only has a keyboard and mouse,
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// you're 2 short of what you need.
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#define E_DIUTILERR_TOOMANYUSERS MAKE_HRESULT(SEVERITY_ERROR,FACILITY_ITF,999)
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//-----------------------------------------------------------------------------
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// Name: class CMultiplayerInputDeviceManager
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// Desc: Input device manager using DX8 action mapping
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//-----------------------------------------------------------------------------
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class CMultiplayerInputDeviceManager
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{
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public:
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struct PlayerInfo
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{
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DWORD dwPlayerIndex; // 0-based player number
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TCHAR strPlayerName[MAX_PATH]; // player name
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DWORD dwMaxDevices; // max number of elements in pDevices array
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DWORD dwNumDevices; // current number of elements in pDevices array
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BOOL bFoundDeviceForPlayer; // if a device has been found for this player yet
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};
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struct DeviceInfo
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{
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LPDIRECTINPUTDEVICE8 pdidDevice; // dinput device pointer
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PlayerInfo* pPlayerInfo; // Player who owns this device
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BOOL bRelativeAxis; // TRUE if device is using relative axis
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BOOL bMapsPri1Actions; // TRUE if device maps pri 1 actions
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BOOL bMapsPri2Actions; // TRUE if device maps pri 2 actions
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LPVOID pParam; // app defined pointer assoicated with this device
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DIDEVICEINSTANCE didi; // device instance info
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};
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typedef HRESULT (CALLBACK *LPDIMANAGERCALLBACK)(CMultiplayerInputDeviceManager::PlayerInfo* pPlayerInfo, CMultiplayerInputDeviceManager::DeviceInfo* pDeviceInfo, const DIDEVICEINSTANCE* pdidi, LPVOID);
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private:
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BOOL m_bCleanupCOM;
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HWND m_hWnd;
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LPDIRECTINPUT8 m_pDI;
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DIACTIONFORMAT* m_pdiaf;
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PlayerInfo** m_pUsers;
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DWORD m_dwNumUsers;
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DeviceInfo* m_pDeviceList;
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DWORD m_dwNumDevices;
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DWORD m_dwMaxDevices;
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LPDIMANAGERCALLBACK m_AddDeviceCallback;
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LPVOID m_AddDeviceCallbackParam;
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TCHAR* m_strKey;
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HKEY m_hKey;
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public:
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static BOOL CALLBACK StaticEnumSuitableDevicesCB( LPCDIDEVICEINSTANCE pdidi, LPDIRECTINPUTDEVICE8 pdidDevice, DWORD dwFlags, DWORD dwRemainingDevices, VOID* pContext );
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static BOOL CALLBACK StaticBuildDeviceListCB( LPCDIDEVICEINSTANCE pdidi, VOID* pContext );
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// Device control
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BOOL EnumDevice( const DIDEVICEINSTANCE* pdidi, LPDIRECTINPUTDEVICE8 pdidDevice, DWORD dwFlags, DWORD dwDeviceRemaining );
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BOOL BuildDeviceListCB( LPCDIDEVICEINSTANCE pdidi );
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HRESULT AddDevice( DeviceInfo* pDeviceInfo, BOOL bForceReset );
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HRESULT GetDevices( DeviceInfo** ppDeviceInfo, DWORD* pdwNumDevices );
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HRESULT ConfigureDevices( HWND hWnd, IUnknown* pSurface, VOID* pCallback, DWORD dwFlags, LPVOID pvCBParam );
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DWORD GetNumDevices() { return m_dwNumDevices; }
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VOID UnacquireDevices();
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VOID SetFocus( HWND hWnd );
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PlayerInfo* LookupPlayer( TCHAR* strPlayerName );
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HRESULT SaveDeviceOwnershipKeys();
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VOID DeleteDeviceOwnershipKeys();
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HRESULT UpdateDeviceOwnership();
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HRESULT AssignDevices();
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HRESULT VerifyAssignment();
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HRESULT AddAssignedDevices( BOOL bResetMappings );
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HRESULT BuildDeviceList();
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VOID CleanupDeviceList();
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// Construction
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HRESULT SetActionFormat( DIACTIONFORMAT* pdiaf, BOOL bReenumerate, BOOL bResetOwnership, BOOL bResetMappings );
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HRESULT Create( HWND hWnd, TCHAR* strUserNames[], DWORD dwNumUsers, DIACTIONFORMAT* pdiaf, LPDIMANAGERCALLBACK AddDeviceCallback, LPVOID pCallbackParam, BOOL bResetOwnership, BOOL bResetMappings );
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CMultiplayerInputDeviceManager( TCHAR* strRegKey );
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~CMultiplayerInputDeviceManager();
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VOID Cleanup();
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};
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#endif
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