wiimote.h

 
#pragma once
 
#include "powerblocks/core/utils/math/vec3.h"
#include "powerblocks/core/utils/math/vec2.h"
 
#include "powerblocks/input/wiimote/wiimote_extension.h"
 
#include <stdbool.h>
#include <stdint.h>
 
// Flags of the present byte that show what
// WiiMote data is present in the state.
// Non present data will just hold its previous state.
#define WIIMOTE_PRESENT_BUTTONS       (1<<0)
#define WIIMOTE_PRESENT_ACCELEROMETER (1<<1)
#define WIIMOTE_PRESENT_IR            (1<<2)
#define WIIMOTE_PRESENT_IR_EXTENDED   (1<<3)
#define WIIMOTE_PRESENT_IR_FULL       (1<<4)
#define WIIMOTE_PRESENT_EXTENSION     (1<<5)
#define WIIMOTE_PRESENT_INTERLACED    (1<<6) // This signals the data was collected using interlaced input packets
 
#define WIIMOTE_BUTTONS_DPAD_LEFT  (1<<0)
#define WIIMOTE_BUTTONS_DPAD_RIGHT (1<<1)
#define WIIMOTE_BUTTONS_DPAD_DOWN  (1<<2)
#define WIIMOTE_BUTTONS_DPAD_UP    (1<<3)
#define WIIMOTE_BUTTONS_PLUS       (1<<4)
#define WIIMOTE_BUTTONS_TWO        (1<<8)
#define WIIMOTE_BUTTONS_ONE        (1<<9)
#define WIIMOTE_BUTTONS_B          (1<<10)
#define WIIMOTE_BUTTONS_A          (1<<11)
#define WIIMOTE_BUTTONS_MINUS      (1<<12)
#define WIIMOTE_BUTTONS_HOME       (1<<15)
 
// Max remotes that can be connected.
#define WIIMOTE_MAX_REMOTES 4
 
typedef struct {
    // True if this wiimote has been connected.
    void *driver;
 
    // Holds what kind of data is present.
    uint32_t present;
 
    // Include the "Core Buttons" of the wiimote. The ones on the remote itself
    wiimote_buttons buttons;
 
    // Accelerometer Data + rotation. Updated if accelerometer is enabled.
    struct {
        vec3 rectangular; // X, Y, Z values of acceleration
        vec3 spherical;   // p, theta, phi of acceleration. Similar to magnitude,
        vec3 orientation; // Like spherical, but only updated when the force is ~1 G, i.e. last usable oriantation before accelerating.
    } accelerometer;
 
    // IR Data
    // Up to 4 IR points tracked. If more than 4 it will switch between them.
    struct {
        // Included in all IR modes, 10 bit unsigned
        bool visible;
        bool side; // Side of the sensor bar it is on. 0=left, 1=right
        vec2i position;
 
        // Included in extended and full mode. Size 0-15
        int size;
 
        // Bounding Box, and intensity of point. Included only in full mode.
        vec2i bbox_top_left;
        vec2i bbox_bottom_right;
        uint8_t intensity;
    } ir_tracking[4];
 
    // Cursor position, calculated from IR tracking if enabled.
    // Pixel position on screen. Can extend off screen.
    struct {
        vec2i pos;
        float distance; // distance from dot to dot
        float z; // Similar to the wiiuse one. Just 1023 - distance
        float yaw;
 
        int known_dots; // Dots seen up until loosing tracking.
    } cursor;
 
    wiimote_extension_data_t extensions;
} wiimote_t;
 
extern wiimote_t WIIMOTES[WIIMOTE_MAX_REMOTES];
 
// Initializes motes and registers drivers.
// Bluetooth must be initialized
// IOS Settings must be initialized
extern void wiimotes_initialize();
 
extern void wiimote_poll();
 
// Get the next empty slot
// -1 if not slot
extern int wiimote_find_empty_slot();
 
// Sets what data the wiimote will report
// Same thing as the "present" stuff
extern int wiimote_set_reporting(wiimote_t* wiimote, int present);