source: GTP/trunk/App/Demos/Illum/Standalone/Glow [DirectX]/Parameters.h @ 846

#include <assert.h>

typedef enum { bShowHelp, bShowHud, LAST_BOOL } bool_t;
typedef enum { iGain, iPasses, iGlowPasses, iGlowGain, iStretch,  LAST_NUMBER } number_t;

enum { IDC_RESET_BUTTON = -3, IDC_SAVE_BUTTON, IDC_LOAD_BUTTON };

#define CHARBUF 100                             // The max length of a line in the save file

typedef float (*CONVERTER)(float a);
typedef void (*ONCHANGE_CALLBACK)(void);

float noconvert(float a);       // { return a; }
float myconvert(float a);       // { return a; }
float myPassConvert(float a);
float myGlowConvert(float a);
float stretchconvert(float a);
void OnChange();                        // {}


class Parameters {
        bool bparam[LAST_BOOL];
        wchar_t bname[LAST_BOOL][CHARBUF];

        int param[LAST_NUMBER]; // 0..100 (0..num_steps)
        wchar_t name[LAST_NUMBER][CHARBUF];
        int numsteps[LAST_NUMBER];

        CONVERTER ffunc[LAST_NUMBER];
        ONCHANGE_CALLBACK chfunc[LAST_NUMBER+3];

        CDXUTDialog* g_HUD;

        bool bSilent;
        const static int CHARBUFFER_SIZE = 200;
        enum { checkboxID0 = 1000, sliderID0 = 2000, staticID0 = 3000, upID0 = 4000, downID0 = 5000 };

public:
        void Setup( CDXUTDialog* g_HUD );
        void Setup( CDXUTDialog* g_HUD, ONCHANGE_CALLBACK OnReset, ONCHANGE_CALLBACK OnSave = OnChange, ONCHANGE_CALLBACK OnLoad = OnChange);

        bool Get( bool_t i );
        float Get( number_t i );
        int GetInt( number_t i );

        void SetBool( bool_t ID, bool b );
        void SetFloat( number_t ID, float v );
        void SetInt( number_t ID, int v );

        void Add( bool_t ID, char* label, char cHotKey = 0 );
        void Add( number_t ID, char* label, int num_steps);

        void Add( number_t ID, char* label, int num_steps, 
                CONVERTER ff, ONCHANGE_CALLBACK chf = OnChange );

        void Add( number_t ID, char* label, int num_steps, char cKeyDecr, char cKeyIncr, 
                CONVERTER ff = noconvert, ONCHANGE_CALLBACK chf = OnChange );

        void UpdateFromHUD( int controlID );

        void SaveToFile( char* fileName );
        void LoadFromFile( char* fileName );
};