apple2ix/src/joystick.h

134 lines
3.7 KiB
C
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/*
* Apple // emulator for *ix
*
* This software package is subject to the GNU General Public License
* version 3 or later (your choice) as published by the Free Software
* Foundation.
*
* Copyright 2013-2015 Aaron Culliney
*
*/
#ifndef _JOYSTICK_H_
#define _JOYSTICK_H_
#define JOY_RANGE 0x100
#define HALF_JOY_RANGE 0x80
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extern uint16_t joy_x;
extern uint16_t joy_y;
extern uint8_t joy_button0;
extern uint8_t joy_button1;
extern uint8_t joy_button2;
extern bool joy_clip_to_radius;
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#ifdef KEYPAD_JOYSTICK
extern uint8_t joy_auto_recenter;
extern short joy_step;
#endif
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void c_joystick_reset(void);
#ifdef INTERFACE_CLASSIC
void c_calibrate_joystick(void);
#endif
#if INTERFACE_TOUCH
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typedef enum touchjoy_variant_t {
EMULATED_NONE = 0,
EMULATED_JOYSTICK, // touch interface emulates a physical joystick device
EMULATED_KEYPAD, // touch interface generates key presses
} touchjoy_variant_t;
typedef enum touchjoy_button_type_t {
TOUCH_NONE = -1,
TOUCH_BUTTON0 = 0,
TOUCH_BUTTON1,
TOUCH_BOTH,
// --or-- an ASCII/fonttext value ...
} touchjoy_button_type_t;
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#define ROSETTE_ROWS 3
#define ROSETTE_COLS 3
enum {
ROSETTE_NORTHWEST=0,
ROSETTE_NORTH,
ROSETTE_NORTHEAST,
ROSETTE_WEST,
ROSETTE_CENTER,
ROSETTE_EAST,
ROSETTE_SOUTHWEST,
ROSETTE_SOUTH,
ROSETTE_SOUTHEAST,
};
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// is the touch joystick available
extern bool (*joydriver_isTouchJoystickAvailable)(void);
// enable/disable touch joystick
extern void (*joydriver_setTouchJoystickEnabled)(bool enabled);
// grant/remove ownership of touch screen
extern void (*joydriver_setTouchJoystickOwnsScreen)(bool pwnd);
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// query touch screen ownership
extern bool (*joydriver_ownsScreen)(void);
/*
* set the joystick button types/visuals (scancodes are fired for EMULATED_KEYPAD variant)
*
* - for EMULATED_JOYSTICK, there is an implicit extra layer-of-indirection for the touchjoy_button_type_t, which maps
* to the open apple, closed apple, or "both" visual keys
*
* - for EMULATED_KEYPAD, the touchjoy_button_type_t is the displayed visual (as ASCII value and lookup into font
* table)
*/
extern void (*joydriver_setTouchButtonTypes)(
touchjoy_button_type_t touchDownChar, int downScancode,
touchjoy_button_type_t northChar, int northScancode,
touchjoy_button_type_t southChar, int southScancode);
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// set the button tap delay (to differentiate between single tap and north/south/etc swipe)
extern void (*joydriver_setTapDelay)(float secs);
// set the sensitivity multiplier
extern void (*joydriver_setTouchAxisSensitivity)(float multiplier);
// set the touch button switch threshold
extern void (*joydriver_setButtonSwitchThreshold)(int delta);
// set the joystick variant
extern void (*joydriver_setTouchVariant)(touchjoy_variant_t variant);
// get the joystick variant
extern touchjoy_variant_t (*joydriver_getTouchVariant)(void);
// set the axis visuals (scancodes are fired for EMULATED_KEYPAD variant)
extern void (*joydriver_setTouchAxisTypes)(uint8_t rosetteChars[(ROSETTE_ROWS * ROSETTE_COLS)], int rosetteScancodes[(ROSETTE_ROWS * ROSETTE_COLS)]);
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// set screen divide between axis and buttons
extern void (*joydriver_setScreenDivision)(float division);
// swap axis and buttons sides
extern void (*joydriver_setAxisOnLeft)(bool axisIsOnLeft);
// begin calibration mode
extern void (*joydriver_beginCalibration)(void);
// end calibration mode
extern void (*joydriver_endCalibration)(void);
// end calibration mode
extern bool (*joydriver_isCalibrating)(void);
// set controls visibility
extern void (*joydriver_setShowControls)(bool showControls);
// set key repeat threshold (keypad joystick)
extern void (*joydriver_setKeyRepeatThreshold)(float repeatThresholdSecs);
#endif // INTERFACE_TOUCH
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#endif // whole file