input_event.h

#ifndef INPUT_EVENT_H
#define INPUT_EVENT_H

#include <SDL2/SDL.h>
#include <stdbool.h>

extern const Uint8 *key_state;
extern SDL_Event input_mouse_wheel_sum;

enum {
	LEFTX,
	LEFTY,
	RIGHTX,
	RIGHTY,
	TRIGGERLEFT,
	TRIGGERRIGHT,
	NUM_HANDLED_AXES
};

enum nes30_button {
	INPUT_BUTTON_A = 0,
	INPUT_BUTTON_B = 1,
	INPUT_BUTTON_X = 3,
	INPUT_BUTTON_Y = 4,
	INPUT_BUTTON_L1 = 6,
	INPUT_BUTTON_R1 = 7,
	INPUT_BUTTON_L2 = 8,
	INPUT_BUTTON_R2 = 9,
	INPUT_BUTTON_SELECT = 10,
	INPUT_BUTTON_START  = 11,
	INPUT_BUTTON_LSTICK = 13,
	INPUT_BUTTON_RSTICK = 14,
	NUM_HANDLED_BUTTONS = 16
};

extern Sint16 axes[NUM_HANDLED_AXES];
extern bool nes30_buttons[NUM_HANDLED_BUTTONS];

struct controller_axis_input {
	float leftx;
	float lefty;
	float rightx;
	float righty;
	float ltrigger;
	float rtrigger;
};

struct mouse_input {
	Uint32 buttons;
	int x, y;
};

void input_event_init();
void input_event_deinit();
void input_event_save_prev_key_state();
void input_event_save_prev_mouse_state();
void input_event_device_arrival(int which);
void caxisevent(SDL_Event e);
void jaxisevent(SDL_Event e);
void jbuttonevent(SDL_Event e);
void mousewheelevent(SDL_Event e);
void mousewheelreset();
bool key_pressed(SDL_Scancode s);
bool key_down(SDL_Scancode s);
Uint8 mouse_button_pressed(int *x, int *y);
void keyevent(SDL_Keysym keysym, SDL_EventType type);
struct controller_axis_input controller_input_apply_threshold(struct controller_axis_input input, float threshold);

#endif