input.h

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/*
** Jo Sega Saturn Engine
** Copyright (c) 2012-2024, Johannes Fetz (johannesfetz@gmail.com)
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
**     * Redistributions of source code must retain the above copyright
**       notice, this list of conditions and the following disclaimer.
**     * Redistributions in binary form must reproduce the above copyright
**       notice, this list of conditions and the following disclaimer in the
**       documentation and/or other materials provided with the distribution.
**     * Neither the name of the Johannes Fetz nor the
**       names of its contributors may be used to endorse or promote products
**       derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
** DISCLAIMED. IN NO EVENT SHALL Johannes Fetz BE LIABLE FOR ANY
** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __JO_INPUT_H__
# define __JO_INPUT_H__
 
# define JO_INPUT_MAX_DEVICE            (12)
 
// This device ID is not present in SGL header files
#define PER_ID_NightsPad    0x16    /* Nights 3D pad */
 
#if JO_COMPILE_USING_SGL
extern PerDigital                       jo_inputs[JO_INPUT_MAX_DEVICE];
# define __JO_KEY_PRESSED(PORT, KEY)    ((jo_inputs[PORT].data & KEY) == 0)
#else
# define __JO_KEY_PRESSED(PORT, KEY)    ((jo_inputs[PORT].pressed & KEY) == KEY)
#endif
 
#if !JO_COMPILE_USING_SGL
 
typedef struct
{
    unsigned char               id;
    unsigned short              pressed;
    unsigned short              on_keydown;
    unsigned short              on_keyup;
}                               jo_input;
 
extern jo_input                        jo_inputs[JO_INPUT_MAX_DEVICE];
 
#endif
 
#if JO_COMPILE_USING_SGL
typedef enum
{
    JO_KEY_RIGHT = 1 << 15,
    JO_KEY_LEFT = 1 << 14,
    JO_KEY_DOWN = 1 << 13,
    JO_KEY_UP = 1 << 12,
    JO_KEY_START = 1 << 11,
    JO_KEY_A = 1 << 10,
    JO_KEY_B = 1 << 8,
    JO_KEY_C = 1 << 9,
    JO_KEY_X = 1 << 6,
    JO_KEY_Y = 1 << 5,
    JO_KEY_Z = 1 << 4,
    JO_KEY_L = 1 << 3,
    JO_KEY_R = 1 << 7,
 
    JO_MOUSE_START_BUTTON = 1 << 11,
    JO_MOUSE_LEFT_BUTTON = 1 << 10,
    JO_MOUSE_MIDDLE_BUTTON = 1 << 8,
    JO_MOUSE_RIGHT_BUTTON = 1 << 9
}           jo_gamepad_keys;
#else
typedef enum
{
    JO_KEY_RIGHT = 1 << 7,
    JO_KEY_LEFT = 1 << 6,
    JO_KEY_DOWN = 1 << 5,
    JO_KEY_UP = 1 << 4,
    JO_KEY_START = 1 << 11,
    JO_KEY_A = 1 << 10,
    JO_KEY_B = 1 << 8,
    JO_KEY_C = 1 << 9,
    JO_KEY_X = 1 << 2,
    JO_KEY_Y = 1 << 1,
    JO_KEY_Z = 1 << 0,
    JO_KEY_L = 1 << 15,
    JO_KEY_R = 1 << 3,
 
    JO_MOUSE_START_BUTTON = 1 << 11,
    JO_MOUSE_LEFT_BUTTON = 1 << 10,
    JO_MOUSE_MIDDLE_BUTTON = 1 << 8,
    JO_MOUSE_RIGHT_BUTTON = 1 << 9
}           jo_gamepad_keys;
#endif
 
typedef enum
{
    JoNotConnectedGamepad = -1,
    JoUnsupportedGamepad = 0,
    JoRegularGamepad = 1,
    JoRegularMouse = 2,
    JoShuttleMouse = 3,
    JoRegularKeyboard = 4,
 
    JoNightsPad = 5
}           jo_gamepad_type;
 
typedef enum
{
    JoAxis1 = 0,
    JoAxis2 = 1,
    JoAxis3 = 2,
    JoAxis4 = 3,
    JoAxis5 = 4,
    JoAxis6 = 5,
}           jo_input_axis;  
 
jo_gamepad_type                 jo_get_input_type(const int port);
 
static __jo_force_inline bool   jo_is_input_analog(const int port)
{
    // TODO: Add other analog devices (wheel, mission stick)
    return (jo_inputs[port].id == PER_ID_NightsPad);
}
 
static  __jo_force_inline bool  jo_is_input_available(const int port)
{
    return (jo_inputs[port].id != PER_ID_NotConnect);
}
 
int                             jo_get_input_count(void);
 
unsigned char                   jo_get_input_axis(const int port, const jo_input_axis axis);
 
static  __jo_force_inline bool  jo_is_input_key_pressed(const int port, const jo_gamepad_keys key)
{
    return __JO_KEY_PRESSED(port, key);
}
 
static  __jo_force_inline jo_8_directions   jo_get_input_direction_pressed(const int port)
{
    if (__JO_KEY_PRESSED(port, JO_KEY_UP))
    {
        if (__JO_KEY_PRESSED(port, JO_KEY_LEFT))
            return (UP_LEFT);
        if (__JO_KEY_PRESSED(port, JO_KEY_RIGHT))
            return (UP_RIGHT);
        return (UP);
    }
    if (__JO_KEY_PRESSED(port, JO_KEY_DOWN))
    {
        if (__JO_KEY_PRESSED(port, JO_KEY_LEFT))
            return (DOWN_LEFT);
        if (__JO_KEY_PRESSED(port, JO_KEY_RIGHT))
            return (DOWN_RIGHT);
        return (DOWN);
    }
    if (__JO_KEY_PRESSED(port, JO_KEY_LEFT))
        return (LEFT);
    if (__JO_KEY_PRESSED(port, JO_KEY_RIGHT))
        return (RIGHT);
    return (NONE);
}
 
static  __jo_force_inline unsigned short    jo_get_raw_input_key_pressed(const int port)
{
#if JO_COMPILE_USING_SGL
    return ((unsigned short)jo_inputs[port].data);
#else
    return ((unsigned short)jo_inputs[port].pressed);
#endif
}
 
static  __jo_force_inline bool  jo_is_input_key_down(const int port, const jo_gamepad_keys key)
{
#if JO_COMPILE_USING_SGL
    return ((jo_inputs[port].push & key) == 0);
#else
    return ((jo_inputs[port].on_keydown & key) == key);
#endif
}
 
#if !JO_COMPILE_USING_SGL
 
static  __jo_force_inline bool  jo_is_input_key_up(const int port, const jo_gamepad_keys key)
{
    return ((jo_inputs[port].on_keyup & key) == key);
}
#endif
 
#if JO_COMPILE_USING_SGL
 
static  __jo_force_inline int   jo_get_mouse_pos_x(const int port)
{
    return (JO_DIV_BY_65536(jo_inputs[port].dummy2[0]));
}
 
static  __jo_force_inline int   jo_get_mouse_pos_y(const int port)
{
    return (JO_DIV_BY_65536((JO_MULT_BY_65536(jo_inputs[port].dummy2[0]))));
}
 
#endif
 
/*
** HELPER
*/
 
static  __jo_force_inline bool  jo_is_pad1_available(void)
{
    return jo_is_input_available(0);
}
 
static  __jo_force_inline bool  jo_is_pad2_available(void)
{
    return jo_is_input_available(1);
}
 
static  __jo_force_inline bool  jo_is_pad1_key_pressed(jo_gamepad_keys key)
{
    return (jo_is_input_key_pressed(0, key));
}
 
static  __jo_force_inline bool  jo_is_pad1_key_down(jo_gamepad_keys key)
{
    return (jo_is_input_key_down(0, key));
}
 
static  __jo_force_inline bool  jo_is_pad2_key_pressed(jo_gamepad_keys key)
{
    return (jo_is_input_key_pressed(1, key));
}
 
static  __jo_force_inline bool  jo_is_pad2_key_down(jo_gamepad_keys key)
{
    return (jo_is_input_key_down(1, key));
}
 
#endif /* !__JO_INPUT_H__ */
 
/*
** END OF FILE
*/