gamepad-logger.js

gamepad-logger.js

let prevButtonStates = [];
let fullscreenToggled = false; // Flag to ensure fullscreen is toggled only once

window.addEventListener("gamepadconnected", (e) => {
    console.log(`Gamepad ${e.gamepad.index} connected`);
    prevButtonStates[e.gamepad.index] = [];
    requestAnimationFrame(pollGamepads);
});

function pollGamepads() {
    const gamepads = navigator.getGamepads();
    for (let i = 0; i < gamepads.length; i++) {
        const gp = gamepads[i];
        if (!gp) continue;
        if (!prevButtonStates[gp.index]) prevButtonStates[gp.index] = [];
        gp.buttons.forEach((btn, idx) => {
            const prev = prevButtonStates[gp.index][idx] || false;
            if (btn.pressed && !prev) {
                console.log(`Gamepad ${gp.index} button ${idx} pressed`);

                if (!fullscreenToggled) {
                    if (document.documentElement.requestFullscreen) {
                        document.documentElement.requestFullscreen();
                    } else if (document.documentElement.mozRequestFullScreen) { // Firefox
                        document.documentElement.mozRequestFullScreen();
                    } else if (document.documentElement.webkitRequestFullscreen) { // Chrome, Safari and Opera
                        document.documentElement.webkitRequestFullscreen();
                    } else if (document.documentElement.msRequestFullscreen) { // IE/Edge
                        document.documentElement.msRequestFullscreen();
                    }
                    fullscreenToggled = true;
                    console.log("Fullscreen toggled on first button press.");
                }
            }
            prevButtonStates[gp.index][idx] = btn.pressed;
        });
    }
    requestAnimationFrame(pollGamepads);
}