gc_controller.h

 
#pragma once
 
#include <stdbool.h>
 
#include <joybus/commands.h>
#include <joybus/gamecube.h>
#include <joybus/target.h>
 
struct joybus_gc_controller;

#define JOYBUS_GC_CONTROLLER(target) ((struct joybus_gc_controller *)(target))

typedef void (*joybus_gc_controller_reset_cb_t)(struct joybus_gc_controller *controller);

typedef void (*joybus_gc_controller_motor_cb_t)(struct joybus_gc_controller *controller, uint8_t state);

struct joybus_gc_controller {
  struct joybus_target base;

  uint8_t id[3];

  struct joybus_gc_controller_input origin;

  struct joybus_gc_controller_input input;

  uint8_t packed_input[8];

  bool input_valid;

  joybus_gc_controller_reset_cb_t on_reset;

  joybus_gc_controller_motor_cb_t on_motor_state_change;
};

void joybus_gc_controller_init(struct joybus_gc_controller *controller, uint16_t type);

void joybus_gc_controller_set_reset_callback(struct joybus_gc_controller *controller,
                                             joybus_gc_controller_reset_cb_t callback);

void joybus_gc_controller_set_motor_callback(struct joybus_gc_controller *controller,
                                             joybus_gc_controller_motor_cb_t callback);

static inline bool joybus_gc_controller_is_wireless(struct joybus_gc_controller *controller)
{
  return joybus_id_get_type(controller->id) & JOYBUS_ID_GCN_WIRELESS;
}

void joybus_gc_controller_set_wireless_id(struct joybus_gc_controller *controller, uint16_t wireless_id);

static inline uint16_t joybus_gc_controller_get_wireless_id(struct joybus_gc_controller *controller)
{
  return (controller->id[1] & 0xC0) << 2 | controller->id[2];
}

static inline bool joybus_gc_controller_wireless_id_fixed(struct joybus_gc_controller *controller)
{
  return joybus_id_get_type(controller->id) & JOYBUS_ID_GCN_WIRELESS_ID_FIXED;
}

static inline void joybus_gc_controller_input_valid(struct joybus_gc_controller *controller, bool valid)
{
  controller->input_valid = valid;
}

void joybus_gc_controller_set_origin(struct joybus_gc_controller *controller,
                                     struct joybus_gc_controller_input *new_origin);