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170 lines
4.3 KiB
C++
170 lines
4.3 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_DI_GAME_DEVICE_H
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#define NL_DI_GAME_DEVICE_H
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#include "nel/misc/types_nl.h"
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#ifdef NL_OS_WINDOWS
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#include "nel/misc/di_event_emitter.h"
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#include "nel/misc/game_device.h"
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namespace NLMISC
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{
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//
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typedef DIJOYSTATE2 CDIJoyState;
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const DIDATAFORMAT * const pJoyDataFormat = &c_dfDIJoystick2;
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const uint MaxNumSliders = 2;
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const uint MaxNumPOVs = 4;
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const uint MaxNumButtons = 128;
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//
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struct EDirectInputGameDeviceNotCreated : EDirectInput
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{
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EDirectInputGameDeviceNotCreated() : EDirectInput("Unable to create a game device") {}
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};
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/**
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* Direct input implementation of a game device.
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*/
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class CDIGameDevice : public IGameDevice
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{
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public:
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/// Create a direct input game device from the given RGUID. Destroy it with delete
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static CDIGameDevice *createGameDevice(IDirectInput8 *di8,
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HWND hwnd,
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CDIEventEmitter *diEventEmitter,
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const CGameDeviceDesc &desc,
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REFGUID rguid) throw(EDirectInput);
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~CDIGameDevice();
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///\name From IInputDevice
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//@{
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virtual bool setBufferSize(uint size);
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virtual uint getBufferSize() const;
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//@}
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///\name From IGameDevice
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//@{
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virtual const CGameDeviceDesc &getDescription() const { return _Desc; }
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//
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virtual uint getNumButtons() const;
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virtual bool hasAxis(TAxis axis) const;
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virtual uint getNumSliders() const;
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virtual uint getNumPOV() const;
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//
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virtual const char *getButtonName(uint index) const;
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virtual const char *getAxisName(TAxis axis) const;
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virtual const char *getSliderName(uint index) const;
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virtual const char *getPOVName(uint index) const;
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//
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virtual bool getButtonState(uint index) const;
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virtual float getAxisValue(TAxis axis) const;
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virtual float getSliderPos(uint index) const;
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virtual float getPOVAngle(uint index) const;
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//@}
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///////////////////////////////////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////////
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private:
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// base class for controls
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struct CCtrl
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{
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std::string Name;
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};
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// a button
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struct CButton : public CCtrl
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{
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bool Pushed;
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CButton() : Pushed(false) {}
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};
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// an axis. Its value either gives its position (-1 .. 1) or its angle (CCW in radians)
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struct CAxis : public CCtrl
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{
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bool Present; // is this axis used ?
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// min and max values from Direct Input
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sint Min, Max;
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float Value;
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CAxis() : Value(0.f), Present(false) {}
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};
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// a slider
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struct CSlider : public CCtrl
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{
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sint Min, Max;
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float Pos;
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CSlider() : Pos(0.f) {}
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};
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// a POV
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struct CPOV : public CCtrl
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{
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bool Centered;
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float Angle;
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CPOV() : Angle(0.f), Centered(true) {}
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};
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private:
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// ctor
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CDIGameDevice();
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///\name From IInputDevice
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//@{
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virtual void begin(CEventServer *server);
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virtual void poll(CInputDeviceServer *dev);
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virtual void submit(IInputDeviceEvent *deviceEvent, CEventServer *server);
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//@}
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/** Get the controls (buttons, slider..) of this device from the Direct Input interface to build this object infos.
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*/
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void querryControls();
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/// Called during EnumObject
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BOOL processEnumObject(LPCDIDEVICEOBJECTINSTANCE lpddoi);
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friend BOOL CALLBACK DIEnumDeviceObjectsCallback(LPCDIDEVICEOBJECTINSTANCE lpddoi, LPVOID pvRef);
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private:
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LPDIRECTINPUTDEVICE8 _Device;
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CGameDeviceDesc _Desc;
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CDIEventEmitter *_EventEmitter;
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///\name Device infos
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//@{
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CAxis _Axis[MaxNumAxis];
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std::vector<CButton> _Buttons;
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std::vector<CSlider> _Sliders;
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std::vector<CPOV> _POVs;
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//@}
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CDIJoyState _CurrentState;
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};
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} // NLMISC
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#endif // NL_OS_WINDOWS
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#endif // NL_DI_GAME_DEVICE_H
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/* End of di_play_device.h */
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