qafJoystickSystem.h

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/* 
** Qaf Framework 1.2
** June 2006
** 
** Pedro Luchini de Moraes, Public Domain - Free Lunch Code
*/

#ifndef QAF_JOYSTICKSYSTEM_H
#define QAF_JOYSTICKSYSTEM_H

#include "qafutil/qafContainer.h"

#define DIRECTINPUT_VERSION 0x0800
#include <dinput.h>


namespace qaf {
    
    enum JoystickObject {
        QAF_JOY_NONE = 0,         
        QAF_JOY_X_AXIS,          
        QAF_JOY_Y_AXIS,          
        QAF_JOY_Z_AXIS,          
        QAF_JOY_X_AXIS_ROTATION, 
        QAF_JOY_Y_AXIS_ROTATION,
        QAF_JOY_Z_AXIS_ROTATION,
        QAF_JOY_SLIDER_0,
        QAF_JOY_SLIDER_1,         
        QAF_JOY_POV_0,           
        QAF_JOY_POV_1,
        QAF_JOY_POV_2,
        QAF_JOY_POV_3,            
        QAF_JOY_BUTTON_0,        
        QAF_JOY_BUTTON_1,
        QAF_JOY_BUTTON_2,
        QAF_JOY_BUTTON_3,
        QAF_JOY_BUTTON_4,
        QAF_JOY_BUTTON_5,
        QAF_JOY_BUTTON_6,
        QAF_JOY_BUTTON_7,
        QAF_JOY_BUTTON_8,
        QAF_JOY_BUTTON_9,
        QAF_JOY_BUTTON_10,
        QAF_JOY_BUTTON_11,
        QAF_JOY_BUTTON_12,
        QAF_JOY_BUTTON_13,
        QAF_JOY_BUTTON_14,
        QAF_JOY_BUTTON_15,
        QAF_JOY_BUTTON_16,
        QAF_JOY_BUTTON_17,
        QAF_JOY_BUTTON_18,
        QAF_JOY_BUTTON_19,
        QAF_JOY_BUTTON_20,
        QAF_JOY_BUTTON_21,
        QAF_JOY_BUTTON_22,
        QAF_JOY_BUTTON_23,
        QAF_JOY_BUTTON_24,
        QAF_JOY_BUTTON_25,
        QAF_JOY_BUTTON_26,
        QAF_JOY_BUTTON_27,
        QAF_JOY_BUTTON_28,
        QAF_JOY_BUTTON_29,
        QAF_JOY_BUTTON_30,
        QAF_JOY_BUTTON_31,
        QAF_JOY_BUTTON_32,
        QAF_JOY_BUTTON_33,
        QAF_JOY_BUTTON_34,
        QAF_JOY_BUTTON_35,
        QAF_JOY_BUTTON_36,
        QAF_JOY_BUTTON_37,
        QAF_JOY_BUTTON_38,
        QAF_JOY_BUTTON_39,
        QAF_JOY_BUTTON_40,
        QAF_JOY_BUTTON_41,
        QAF_JOY_BUTTON_42,
        QAF_JOY_BUTTON_43,
        QAF_JOY_BUTTON_44,
        QAF_JOY_BUTTON_45,
        QAF_JOY_BUTTON_46,
        QAF_JOY_BUTTON_47,
        QAF_JOY_BUTTON_48,
        QAF_JOY_BUTTON_49,
        QAF_JOY_BUTTON_50,
        QAF_JOY_BUTTON_51,
        QAF_JOY_BUTTON_52,
        QAF_JOY_BUTTON_53,
        QAF_JOY_BUTTON_54,
        QAF_JOY_BUTTON_55,
        QAF_JOY_BUTTON_56,
        QAF_JOY_BUTTON_57,
        QAF_JOY_BUTTON_58,
        QAF_JOY_BUTTON_59,
        QAF_JOY_BUTTON_60,
        QAF_JOY_BUTTON_61,
        QAF_JOY_BUTTON_62,
        QAF_JOY_BUTTON_63,
        QAF_JOY_BUTTON_64,
        QAF_JOY_BUTTON_65,
        QAF_JOY_BUTTON_66,
        QAF_JOY_BUTTON_67,
        QAF_JOY_BUTTON_68,
        QAF_JOY_BUTTON_69,
        QAF_JOY_BUTTON_70,
        QAF_JOY_BUTTON_71,
        QAF_JOY_BUTTON_72,
        QAF_JOY_BUTTON_73,
        QAF_JOY_BUTTON_74,
        QAF_JOY_BUTTON_75,
        QAF_JOY_BUTTON_76,
        QAF_JOY_BUTTON_77,
        QAF_JOY_BUTTON_78,
        QAF_JOY_BUTTON_79,
        QAF_JOY_BUTTON_80,
        QAF_JOY_BUTTON_81,
        QAF_JOY_BUTTON_82,
        QAF_JOY_BUTTON_83,
        QAF_JOY_BUTTON_84,
        QAF_JOY_BUTTON_85,
        QAF_JOY_BUTTON_86,
        QAF_JOY_BUTTON_87,
        QAF_JOY_BUTTON_88,
        QAF_JOY_BUTTON_89,
        QAF_JOY_BUTTON_90,
        QAF_JOY_BUTTON_91,
        QAF_JOY_BUTTON_92,
        QAF_JOY_BUTTON_93,
        QAF_JOY_BUTTON_94,
        QAF_JOY_BUTTON_95,
        QAF_JOY_BUTTON_96,
        QAF_JOY_BUTTON_97,
        QAF_JOY_BUTTON_98,
        QAF_JOY_BUTTON_99,
        QAF_JOY_BUTTON_100,
        QAF_JOY_BUTTON_101,
        QAF_JOY_BUTTON_102,
        QAF_JOY_BUTTON_103,
        QAF_JOY_BUTTON_104,
        QAF_JOY_BUTTON_105,
        QAF_JOY_BUTTON_106,
        QAF_JOY_BUTTON_107,
        QAF_JOY_BUTTON_108,
        QAF_JOY_BUTTON_109,
        QAF_JOY_BUTTON_110,
        QAF_JOY_BUTTON_111,
        QAF_JOY_BUTTON_112,
        QAF_JOY_BUTTON_113,
        QAF_JOY_BUTTON_114,
        QAF_JOY_BUTTON_115,
        QAF_JOY_BUTTON_116,
        QAF_JOY_BUTTON_117,
        QAF_JOY_BUTTON_118,
        QAF_JOY_BUTTON_119,
        QAF_JOY_BUTTON_120,
        QAF_JOY_BUTTON_121,
        QAF_JOY_BUTTON_122,
        QAF_JOY_BUTTON_123,
        QAF_JOY_BUTTON_124,
        QAF_JOY_BUTTON_125,
        QAF_JOY_BUTTON_126,      
        QAF_JOY_BUTTON_127       
    };
    #define QAF_JOY_MAX_OBJECTS   (QAF_JOY_BUTTON_127 - QAF_JOY_X_AXIS + 1)
    
    #define QAF_JOY_ISAXIS(obj)   (obj >= QAF_JOY_X_AXIS   && obj <= QAF_JOY_SLIDER_1  )
    
    #define QAF_JOY_ISPOV(obj)    (obj >= QAF_JOY_POV_0    && obj <= QAF_JOY_POV_3     )
    
    #define QAF_JOY_ISBUTTON(obj) (obj >= QAF_JOY_BUTTON_0 && obj <= QAF_JOY_BUTTON_127)
    
    #define QAF_JOY_BUTTON(n)     ((JoystickObject) (QAF_JOY_BUTTON_0 + n))
    
    class Joystick {
        public:
            Joystick ( LPDIRECTINPUTDEVICE8 pJoystick, HWND hWindow );
            virtual ~Joystick ();
            
            bool isInitialized ();
            
            bool poll ();
            
            int getObjectState ( JoystickObject obj );
            
            const char * getObjectName ( JoystickObject obj );
            
            const char * getDeviceName ();
            
            bool setHWND ( HWND hWindow );
            
            bool setAxesParameters ( bool absolute, int minValue, int maxValue, float deadZone, float saturation );
            
            int createVibrationEffect ( float magnitude, float duration, float period );
            
            bool changeVibrationMagnitude ( int effectID, float newMagnitude, float newPeriod );
            
            bool deleteEffect ( int effectID );
            
            bool playEffect ( int effectID, int repetitions );
            
        private:
            void * pHGE;
            
            bool initialized;
            LPDIRECTINPUTDEVICE8 pJoystick; // Pointer to the joystick interface
            HWND hWindow; // Window handle used to set cooperative levels
            
            DIJOYSTATE2 state; // Joystick state
            
            Container<GUID> effectGUIDs; // Supported force-feedback effects
            Container<DWORD> effectAxesOfs; // Axes that support force-feedback, initialized in the constructor
            Container<IDirectInputEffect *> createdEffects;
            
            char deviceName[MAX_PATH];
            char * objNames[QAF_JOY_MAX_OBJECTS]; // Joystick object names
            void resetStates ();
            
            // Callback used to enumerate joystick axes:
            static BOOL CALLBACK enumAxesCallback ( const DIDEVICEOBJECTINSTANCE * pdidoi, void * pContext );
            
            // Callback used to enumerate joystick axes that support
            // force-feedback:
            static BOOL CALLBACK enumFFAxesCallback ( const DIDEVICEOBJECTINSTANCE * pdidoi, void * pContext );
            
            // Callback used to enumerate force-feedback effects and store
            // their GUIDs:
            static BOOL CALLBACK enumEffectsCallback ( LPCDIEFFECTINFO pei, void * pContext );
    };
    
    
    
    class JoystickSystem {
        public:
            JoystickSystem ();
            virtual ~JoystickSystem ();
            
            bool initialize ( HWND hWindow );
            
            void shutdown ();
            
            int getNumberOfJoysticks ();
            
            Joystick * getJoystick ( int i );
            
        private:
            void * pHGE;
            
            LPDIRECTINPUT8 pDI; // Pointer to the DirectInput object
            
            Container<Joystick *> joysticks; // Available joysticks
            
            // Callback used to enumerate available joysticks:
            static BOOL CALLBACK enumJoysticksCallback ( const DIDEVICEINSTANCE * pdidInstance, void * pContext);
            
    };
    
    
}


#endif

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