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public/inputsystem/iinputsystem.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//===========================================================================//
+
+#ifndef IINPUTSYSTEM_H
+#define IINPUTSYSTEM_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tier0/platform.h"
+#include "appframework/IAppSystem.h"
+
+#include "inputsystem/InputEnums.h"
+#include "inputsystem/ButtonCode.h"
+#include "inputsystem/AnalogCode.h"
+
+#include "steam/isteamcontroller.h"
+
+//-----------------------------------------------------------------------------
+// Main interface for input. This is a low-level interface
+//-----------------------------------------------------------------------------
+#define INPUTSYSTEM_INTERFACE_VERSION	"InputSystemVersion001"
+abstract_class IInputSystem : public IAppSystem
+{
+public:
+	// Attach, detach input system from a particular window
+	// This window should be the root window for the application
+	// Only 1 window should be attached at any given time.
+	virtual void AttachToWindow( void* hWnd ) = 0;
+	virtual void DetachFromWindow( ) = 0;
+
+	// Enables/disables input. PollInputState will not update current 
+	// button/analog states when it is called if the system is disabled.
+	virtual void EnableInput( bool bEnable ) = 0;
+
+	// Enables/disables the windows message pump. PollInputState will not
+	// Peek/Dispatch messages if this is disabled
+	virtual void EnableMessagePump( bool bEnable ) = 0;
+
+	// Polls the current input state
+	virtual void PollInputState() = 0;
+
+	// Gets the time of the last polling in ms
+	virtual int GetPollTick() const = 0;
+
+	// Is a button down? "Buttons" are binary-state input devices (mouse buttons, keyboard keys)
+	virtual bool IsButtonDown( ButtonCode_t code ) const = 0;
+
+	// Returns the tick at which the button was pressed and released
+	virtual int GetButtonPressedTick( ButtonCode_t code ) const = 0;
+	virtual int GetButtonReleasedTick( ButtonCode_t code ) const = 0;
+
+	// Gets the value of an analog input device this frame
+	// Includes joysticks, mousewheel, mouse
+	virtual int GetAnalogValue( AnalogCode_t code ) const = 0;
+
+	// Gets the change in a particular analog input device this frame
+	// Includes joysticks, mousewheel, mouse
+	virtual int GetAnalogDelta( AnalogCode_t code ) const = 0;
+
+	// Returns the input events since the last poll
+	virtual int GetEventCount() const = 0;
+	virtual const InputEvent_t* GetEventData( ) const = 0;
+
+	// Posts a user-defined event into the event queue; this is expected
+	// to be called in overridden wndprocs connected to the root panel.
+	virtual void PostUserEvent( const InputEvent_t &event ) = 0;
+
+	// Returns the number of joysticks
+	virtual int GetJoystickCount() const = 0;
+
+	// Enable/disable joystick, it has perf costs
+	virtual void EnableJoystickInput( int nJoystick, bool bEnable ) = 0;
+
+	// Enable/disable diagonal joystick POV (simultaneous POV buttons down)
+	virtual void EnableJoystickDiagonalPOV( int nJoystick, bool bEnable ) = 0;
+
+	// Sample the joystick and append events to the input queue
+	virtual void SampleDevices( void ) = 0;
+
+	// FIXME: Currently force-feedback is only supported on the Xbox 360
+	virtual void SetRumble( float fLeftMotor, float fRightMotor, int userId = INVALID_USER_ID ) = 0;
+	virtual void StopRumble( void ) = 0;
+
+	// Resets the input state
+	virtual void ResetInputState() = 0;
+
+	// Sets a player as the primary user - all other controllers will be ignored.
+	virtual void SetPrimaryUserId( int userId ) = 0;
+
+	// Convert back + forth between ButtonCode/AnalogCode + strings
+	virtual const char *ButtonCodeToString( ButtonCode_t code ) const = 0;
+	virtual const char *AnalogCodeToString( AnalogCode_t code ) const = 0;
+	virtual ButtonCode_t StringToButtonCode( const char *pString ) const = 0;
+	virtual AnalogCode_t StringToAnalogCode( const char *pString ) const = 0;
+
+	// Sleeps until input happens. Pass a negative number to sleep infinitely
+	virtual void SleepUntilInput( int nMaxSleepTimeMS = -1 ) = 0;
+
+	// Convert back + forth between virtual codes + button codes
+	// FIXME: This is a temporary piece of code
+	virtual ButtonCode_t VirtualKeyToButtonCode( int nVirtualKey ) const = 0;
+	virtual int ButtonCodeToVirtualKey( ButtonCode_t code ) const = 0;
+	virtual ButtonCode_t ScanCodeToButtonCode( int lParam ) const = 0;
+
+	// How many times have we called PollInputState?
+	virtual int GetPollCount() const = 0;
+
+	// Sets the cursor position
+	virtual void SetCursorPosition( int x, int y ) = 0;
+
+	// NVNT get address to haptics interface
+	virtual void *GetHapticsInterfaceAddress() const = 0;
+
+	virtual void SetNovintPure( bool bPure ) = 0;
+
+	// read and clear accumulated raw input values
+	virtual bool GetRawMouseAccumulators( int& accumX, int& accumY ) = 0;
+
+	// tell the input system that we're not a game, we're console text mode.
+	// this is used for dedicated servers to not initialize joystick system.
+	// this needs to be called before CInputSystem::Init (e.g. in PreInit of
+	// some system) if you want ot prevent the joystick system from ever
+	// being initialized.
+	virtual void SetConsoleTextMode( bool bConsoleTextMode ) = 0;
+
+	virtual ISteamController* SteamControllerInterface() = 0;
+	virtual uint32 GetNumSteamControllersConnected() = 0;
+	virtual bool IsSteamControllerActive() = 0;
+	virtual bool IsSteamControllerConnected() = 0;
+	virtual int GetSteamControllerIndexForSlot( int nSlot ) = 0;
+	virtual bool GetRadialMenuStickValues( int nSlot, float &fX, float &fY ) = 0;
+	virtual void ActivateSteamControllerActionSetForSlot( uint64 nSlot, GameActionSet_t eActionSet ) = 0;
+	virtual ControllerActionSetHandle_t GetActionSetHandle( GameActionSet_t eActionSet ) = 0;
+	virtual ControllerActionSetHandle_t GetActionSetHandle( const char* szActionSet ) = 0;
+
+	// Gets the action origin (i.e. which physical input) maps to the given action for the given action set
+	virtual EControllerActionOrigin GetSteamControllerActionOrigin( const char* action, GameActionSet_t action_set ) = 0;
+	virtual EControllerActionOrigin GetSteamControllerActionOrigin( const char* action, ControllerActionSetHandle_t action_set_handle ) = 0;
+
+	// Maps a Steam Controller action origin to a string (consisting of a single character) in our SC icon font
+	virtual const wchar_t* GetSteamControllerFontCharacterForActionOrigin( EControllerActionOrigin origin ) = 0;
+
+	// Maps a Steam Controller action origin to a short text string (e.g. "X", "LB", "LDOWN") describing the control.
+	// Prefer to actually use the icon font wherever possible.
+	virtual const wchar_t* GetSteamControllerDescriptionForActionOrigin( EControllerActionOrigin origin ) = 0;
+
+	// This is called with "true" by dedicated server initialization (before calling Init) in order to
+	// force us to skip initialization of Steam (which messes up dedicated servers).
+	virtual void SetSkipControllerInitialization( bool bSkip ) = 0;
+
+	// Helper - activate same action set for all controller slots.
+	void ActivateSteamControllerActionSet( GameActionSet_t eActionSet ) {
+		ActivateSteamControllerActionSetForSlot( 0xffffffffffffffff, eActionSet );
+	}
+};
+
+
+#endif // IINPUTSYSTEM_H