#ifndef _PAD_H_
#define _PAD_H_

typedef struct _KPADData
{
    unsigned int btns_h;
    unsigned int btns_d;
    unsigned int btns_r;
    unsigned int unused_1[5];
    float pos_x;
    float pos_y;
    unsigned int unused_2[3];
    float angle_x;
    float angle_y;
    unsigned int unused_3[8];
    unsigned char device_type;
    unsigned char wpad_error;
    unsigned char pos_valid;
    unsigned char unused_4[1];

    union
    {
        struct
        {
            float stick_x;
            float stick_y;
        } nunchuck;

        struct
        {
            unsigned int btns_h;
            unsigned int btns_d;
            unsigned int btns_r;
            float lstick_x;
            float lstick_y;
            float rstick_x;
            float rstick_y;
            float ltrigger;
            float rtrigger;
        } classic;

        unsigned int unused_6[20];
    };
    unsigned int unused_7[16];
} KPADData;

#define WPAD_BUTTON_LEFT                    0x0001
#define WPAD_BUTTON_RIGHT                   0x0002
#define WPAD_BUTTON_DOWN                    0x0004
#define WPAD_BUTTON_UP                      0x0008
#define WPAD_BUTTON_PLUS                    0x0010
#define WPAD_BUTTON_2                       0x0100
#define WPAD_BUTTON_1                       0x0200
#define WPAD_BUTTON_B                       0x0400
#define WPAD_BUTTON_A                       0x0800
#define WPAD_BUTTON_MINUS                   0x1000
#define WPAD_BUTTON_Z                       0x2000
#define WPAD_BUTTON_C                       0x4000
#define WPAD_BUTTON_HOME                    0x8000

#define WPAD_CLASSIC_BUTTON_UP              0x0001
#define WPAD_CLASSIC_BUTTON_LEFT            0x0002
#define WPAD_CLASSIC_BUTTON_ZR              0x0004
#define WPAD_CLASSIC_BUTTON_X               0x0008
#define WPAD_CLASSIC_BUTTON_A               0x0010
#define WPAD_CLASSIC_BUTTON_Y               0x0020
#define WPAD_CLASSIC_BUTTON_B               0x0040
#define WPAD_CLASSIC_BUTTON_ZL              0x0080
#define WPAD_CLASSIC_BUTTON_R               0x0200
#define WPAD_CLASSIC_BUTTON_PLUS            0x0400
#define WPAD_CLASSIC_BUTTON_HOME            0x0800
#define WPAD_CLASSIC_BUTTON_MINUS           0x1000
#define WPAD_CLASSIC_BUTTON_L               0x2000
#define WPAD_CLASSIC_BUTTON_DOWN            0x4000
#define WPAD_CLASSIC_BUTTON_RIGHT           0x8000



typedef struct
{
    float x,y;
} Vec2D;

typedef struct
{
    uint16_t x, y;               /* Touch coordinates */
    uint16_t touched;            /* 1 = Touched, 0 = Not touched */
    uint16_t invalid;            /* 0 = All valid, 1 = X invalid, 2 = Y invalid, 3 = Both invalid? */
} VPADTPData;

typedef struct
{
    uint32_t btns_h;                  /* Held buttons */
    uint32_t btns_d;                  /* Buttons that are pressed at that instant */
    uint32_t btns_r;                  /* Released buttons */
    Vec2D lstick, rstick;        /* Each contains 4-byte X and Y components */
    char unknown1c[0x52 - 0x1c]; /* Contains accelerometer and gyroscope data somewhere */
    VPADTPData tpdata;           /* Normal touchscreen data */
    VPADTPData tpdata1;          /* Modified touchscreen data 1 */
    VPADTPData tpdata2;          /* Modified touchscreen data 2 */
    char unknown6a[0xa0 - 0x6a];
    uint8_t volume;
    uint8_t battery;             /* 0 to 6 */
    uint8_t unk_volume;          /* One less than volume */
    char unknowna4[0xac - 0xa4];
} VPADData;

#define VPAD_BUTTON_A        0x8000
#define VPAD_BUTTON_B        0x4000
#define VPAD_BUTTON_X        0x2000
#define VPAD_BUTTON_Y        0x1000
#define VPAD_BUTTON_LEFT     0x0800
#define VPAD_BUTTON_RIGHT    0x0400
#define VPAD_BUTTON_UP       0x0200
#define VPAD_BUTTON_DOWN     0x0100
#define VPAD_BUTTON_ZL       0x0080
#define VPAD_BUTTON_ZR       0x0040
#define VPAD_BUTTON_L        0x0020
#define VPAD_BUTTON_R        0x0010
#define VPAD_BUTTON_PLUS     0x0008
#define VPAD_BUTTON_MINUS    0x0004
#define VPAD_BUTTON_HOME     0x0002
#define VPAD_BUTTON_SYNC     0x0001


#endif