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-// _______________________________________________________________________________
-//
-// - WiiYourself! - native C++ Wiimote library v1.15
-// (c) gl.tter 2007-10 - http://gl.tter.org
-//
-// see License.txt for conditions of use. see History.txt for change log.
-// _______________________________________________________________________________
-//
-// wiimote_state.h (tab = 4 spaces)
-
-// the 'wiimote_state' struct contains all the Wiimote and Extension state data
-// (buttons etc) - the wiimote class inherits from this and the app can poll
-// the data there at any time.
-#ifdef _MSC_VER // VC
-# pragma once
-#endif
-
-#ifndef _WIIMOTE_STATE_H
-# define _WIIMOTE_STATE_H
-
-#include "wiimote_common.h"
-
-
-// wiimote_state (contains the Wiimote and Extension data and settings)
-struct wiimote_state
- {
- friend class wiimote; // for Clear()
-
- // calibration information (stored on the Wiimote)
- struct calibration_info
- {
- BYTE X0, Y0, Z0;
- BYTE XG, YG, ZG;
- } CalibrationInfo;
-
- // button state:
- struct buttons
- {
- // convenience accessors
- inline bool A () const { return (Bits & _A) != 0; }
- inline bool B () const { return (Bits & _B) != 0; }
- inline bool Plus () const { return (Bits & PLUS) != 0; }
- inline bool Home () const { return (Bits & HOME) != 0; }
- inline bool Minus () const { return (Bits & MINUS) != 0; }
- inline bool One () const { return (Bits & ONE) != 0; }
- inline bool Two () const { return (Bits & TWO) != 0; }
- inline bool Up () const { return (Bits & UP) != 0; }
- inline bool Down () const { return (Bits & DOWN) != 0; }
- inline bool Left () const { return (Bits & LEFT) != 0; }
- inline bool Right () const { return (Bits & RIGHT) != 0; }
-
- // all 11 buttons stored as bits (set = pressed)
- WORD Bits;
-
- // button bit masks (little-endian order)
- enum mask
- {
- LEFT = 0x0001,
- RIGHT = 0x0002,
- DOWN = 0x0004,
- UP = 0x0008,
- PLUS = 0x0010,
- TWO = 0x0100,
- ONE = 0x0200,
- _B = 0x0400, // ie. trigger
- _A = 0x0800,
- MINUS = 0x1000,
- HOME = 0x8000,
- //
- ALL = LEFT|RIGHT|DOWN|UP|PLUS|TWO|ONE|_A|_B|MINUS|HOME,
- };
- } Button;
-
- // accelerometers state:
- struct acceleration
- {
- BYTE RawX, RawY, RawZ;
- float X, Y, Z;
-
- // note: experimental! the orientation values can only be safely estimated
- // if the controller isn't accelerating (otherwise there is no
- // simple way to seperate orientation from acceleration - except
- // perhaps using the IR reference and/or some clever assumptions).
- // so for now the code only updates orientation if the controller
- // appear to be stationary (by checking if the acceleration vector
- // length is near 1G for several updates in a row).
- // also note that there is no way to detect Yaw from the accelerometer
- // alone when it's pointing at the screen (and I'm not curently
- // processing IR):
- struct orientation
- {
- float X, Y, Z;
- unsigned UpdateAge; // how many acceleration updates ago the last
- // orientation estimate was made (if this
- // value is high, the values are out-of-date
- // and probably shouldn't be used).
- // Euler angle support (useful for some things).
- // * note that decomposing to Euler angles is complex, not always reliable,
- // and also depends on your assumptions about the order each component
- // is applied in. you may need to handle this yourself for more
- // complex scenarios *
- float Pitch; // in degrees (-180 - +180)
- float Roll; // "
- // float Yaw;
- } Orientation;
- } Acceleration;
-
- // IR camera state:
- struct ir
- {
- // in theory the IR imager is 1024x768 and so should report raw coords
- // 0-1023 x 0-767. in practice I have never seen them exceed the values
- // below, so I'm using them instead to give the full 0-1 float range
- // (it's possible that the edge pixels are used for processing, or masked
- // out due to being unreliable). let me know if your wiimote reports
- // a different range.
- static const unsigned MAX_RAW_X = 1016;
- static const unsigned MAX_RAW_Y = 760;
-
- // data mode reported by the IR sensor
- enum mode
- {
- OFF = 0x00,
- BASIC = 0x01, // 10 bytes
- EXTENDED = 0x03, // 12 bytes
- FULL = 0x05, // 16 bytes * 2 (format unknown)
- };
-
- mode Mode; // read-only (depends on ReportType set)
-
- struct dot
- {
- bool bVisible; // other values are not valid if == false
- unsigned RawX;
- unsigned RawY;
- float X; // 0-1 (left-right)
- float Y; // " (top -bottom)
- int Size; // (not available in BASIC mode)
- } Dot[4];
- } IR;
-
- struct leds
- {
- // all LEDs stored in bits 0-3 (1 = lit)
- BYTE Bits;
-
- // convenience accessors:
- inline bool Lit (unsigned index)
- { _ASSERT(index < 4);
- return (index >= 4)? false : ((Bits & (1<<index)) != 0); }
- } LED;
-
- BYTE BatteryRaw; // 0 - ~200 (it seems 200 *may* be the maximum charge)
- BYTE BatteryPercent; // (using the above assumption, where 200 raw = 100%)
- bool bBatteryDrained; // battery is nearly flat
- bool bRumble;
- bool bExtension; // an extension (eg. Nunchuk) is connected.
-
- // speaker state:
- struct speaker
- {
- bool bEnabled;
- bool bMuted;
- speaker_freq Freq;
- BYTE Volume;
- } Speaker;
-
- // the extension plugged into the Wiimote (if any)
- enum extension_type
- {
- NONE = 0,
- NUNCHUK,
- CLASSIC,
- GH3_GHWT_GUITAR, // GH3 or GHWT Guitar (treated as Classic)
- GHWT_DRUMS, // not yet used
- BALANCE_BOARD,
- MOTION_PLUS,
- PARTIALLY_INSERTED,
- };
- extension_type ExtensionType;
-
- // joystick struct (shared between Nunchuk & Classic Controller)
- struct joystick
- {
- friend class wiimote;
-
- // raw unprocessed coordinates:
- float RawX, RawY;
-
- // processed coordinates in approximately -1 - +1 range (includes calibration
- // data and deadzones) - note that due to calibration inaccuracies, the
- // extremes may be slightly over/under (+-)1.0.
- float X, Y;
-
- // a 'deadzone' is a user-defined range near the joystick center which
- // is treated as zero (joysticks often drift a little even at the center
- // position). you can set a deadzone for each axis at any time, range is
- // 0.0 (off) to 1.0 (entire range - not useful :). try 0.03.
- struct deadzone
- {
- float X, Y;
- } DeadZone;
- };
-
- // Nunchuk state (if connected)
- struct nunchuk
- {
- struct calibration_info
- {
- BYTE X0, Y0, Z0;
- BYTE XG, YG, ZG;
- BYTE MinX, MidX, MaxX;
- BYTE MinY, MidY, MaxY;
- } CalibrationInfo;
-
- acceleration Acceleration;
- joystick Joystick;
- bool C;
- bool Z;
- } Nunchuk;
-
- // Classic Controller state (if connected)
- struct classic_controller
- {
- // calibration information (stored on the controller)
- struct calibration_info
- {
- BYTE MinXL, MidXL, MaxXL;
- BYTE MinYL, MidYL, MaxYL;
- BYTE MinXR, MidXR, MaxXR;
- BYTE MinYR, MidYR, MaxYR;
- BYTE MinTriggerL, MaxTriggerL;
- BYTE MinTriggerR, MaxTriggerR;
- } CalibrationInfo;
-
- // button state
- struct buttons
- {
- // convenience accessors
- inline bool A () const { return (Bits & _A) != 0; }
- inline bool B () const { return (Bits & _B) != 0; }
- inline bool Plus () const { return (Bits & PLUS) != 0; }
- inline bool Minus () const { return (Bits & MINUS) != 0; }
- inline bool Home () const { return (Bits & HOME) != 0; }
- inline bool Up () const { return (Bits & UP) != 0; }
- inline bool Down () const { return (Bits & DOWN) != 0; }
- inline bool Left () const { return (Bits & LEFT) != 0; }
- inline bool Right () const { return (Bits & RIGHT) != 0; }
- inline bool X () const { return (Bits & _X) != 0; }
- inline bool Y () const { return (Bits & _Y) != 0; }
- inline bool ZL () const { return (Bits & _ZL) != 0; }
- inline bool ZR () const { return (Bits & _ZR) != 0; }
- inline bool TriggerL () const { return (Bits & TRIG_L) != 0; }
- inline bool TriggerR () const { return (Bits & TRIG_R) != 0; }
-
- // all 15 buttons stored as bits (set = pressed)
- WORD Bits;
-
- // button bitmasks (little-endian order)
- enum mask
- {
- TRIG_R = 0x0002,
- PLUS = 0x0004,
- HOME = 0x0008,
- MINUS = 0x0010,
- TRIG_L = 0x0020,
- DOWN = 0x0040,
- RIGHT = 0x0080,
- UP = 0x0100,
- LEFT = 0x0200,
- _ZR = 0x0400,
- _X = 0x0800,
- _A = 0x1000,
- _Y = 0x2000,
- _B = 0x4000,
- _ZL = 0x8000,
- //
- ALL = TRIG_R|PLUS|HOME|MINUS|TRIG_L|DOWN|RIGHT|UP|LEFT|
- _ZR|_X|_A|_Y|_B|_ZL,
- };
- } Button;
-
- // joysticks
- joystick JoystickL;
- joystick JoystickR;
-
- // triggers
- BYTE RawTriggerL, RawTriggerR;
- float TriggerL, TriggerR;
- } ClassicController;
-
- struct balance_board
- {
- // values for each of the board's 4 sensors:
- // (these values are always exposed unmodifed)
- struct sensors_raw
- {
- short TopR;
- short TopL;
- short BottomR;
- short BottomL;
- };
- struct sensors_f
- {
- float TopL;
- float TopR;
- float BottomL;
- float BottomR;
-
- float Total; // sum of the 4 corner weights
- };
-
- // calibration info
- struct calibration_info
- {
- sensors_raw Kg0; // calibration at 0 Kg
- sensors_raw Kg17; // " 17 Kg
- sensors_raw Kg34; // " 34 Kg
- } CalibrationInfo;
-
- // state:
- sensors_raw Raw; // raw values (per sensor)
- sensors_f AtRestKg; // set by Connect() and CalibrateAtRest()
- // (the values below have their 'at-rest' offsets automatically removed)
- sensors_f Kg; // kilograms (per sensor)
- sensors_f Lb; // pounds (per sensor)
- } BalanceBoard;
-
- struct motion_plus
- {
- // (these values are always exposed unmodifed)
- struct sensors_raw
- {
- short Yaw;
- short Pitch;
- short Roll;
- };
- struct sensors_f
- {
- float Yaw;
- float Pitch;
- float Roll;
- };
-
- // state:
- sensors_raw Raw;
- sensors_f Speed;
- } MotionPlus;
-
- // ---- internal use only ----
- protected:
- unsigned WiimoteNearGUpdates;
- unsigned NunchukNearGUpdates;
-
- void Clear (bool including_deadzones)
- {
- joystick::deadzone nunchuk_deadzone,
- classic_joyl_deadzone,
- classic_joyr_deadzone;
-
- // preserve the deadzone settings?
- if(!including_deadzones) {
- nunchuk_deadzone = Nunchuk.Joystick.DeadZone;
- classic_joyl_deadzone = ClassicController.JoystickL.DeadZone;
- classic_joyr_deadzone = ClassicController.JoystickR.DeadZone;
- }
-
- memset(this, 0, sizeof(wiimote_state));
-
- // restore the deadzones?
- if(!including_deadzones) {
- Nunchuk.Joystick.DeadZone = nunchuk_deadzone;
- ClassicController.JoystickL.DeadZone = classic_joyl_deadzone;
- ClassicController.JoystickR.DeadZone = classic_joyr_deadzone;
- }
- }
- };
-
-#endif // _WIIMOTE_STATE_H \ No newline at end of file
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