Portage HTML5 du jeu Yume Nikki avec commandes tactiles

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Portage HTML5 du jeu Yume Nikki avec commandes tactiles

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HTML

<!doctype html>
<html lang="en">

<head>
    <base href="https://cdn.jsdelivr.net/gh/genizy/web-port@main/yume-nikki/">
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Yume Nikki</title>
    <style>
        :root {
            --color-gray: hsl(0, 0%, 55%);
            --controls-size: 10vh;
        }

@media (orientation: landscape) {
            :root {
                --controls-size: 20vh;
            }
        }

html {
            touch-action: none;
        }

body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
            margin: 0;
            color: white;
            background: black;
        }

.unselectable {
            -webkit-touch-callout: none;
            -webkit-user-select: none;
            user-select: none;
        }

#status {
            font-size: 1.5rem;
            color: var(--color-gray);
            text-align: center;
        }

#controls {
            position: relative;
            text-align: right;
            z-index: 10;
        }

#controls button {
            -webkit-appearance: button;
            display: inline-flex;
            background: transparent;
            border: 0;
            color: white;
            font-family: inherit;
            font-size: 1em;
            line-height: inherit;
            cursor: pointer;
            padding: 0.5rem;
        }

#controls svg {
            pointer-events: none;
        }

#canvas {
            position: absolute;
            top: 50%;
            left: 50%;
            width: 100%;
            height: 100%;
            border: 0;
            image-rendering: pixelated;
            image-rendering: crisp-edges;
            transform: translate(-50%, -50%);
        }

img#canvas {
            object-fit: contain;
        }

#dpad,
        #apad {
            position: fixed;
            bottom: 1rem;
        }

#dpad {
            left: 1rem;
        }

#apad {
            right: 1rem;
        }

#dpad svg {
            width: calc(2 * var(--controls-size));
            height: calc(2 * var(--controls-size));
            fill: var(--color-gray);
        }

#dpad svg rect {
            opacity: 0.4;
        }

#apad>* {
            width: var(--controls-size);
            height: var(--controls-size);
            background-color: var(--color-gray);
            border-radius: 50%;
        }

#apad> :last-child {
            position: relative;
            right: var(--controls-size);
        }

#dpad path:not(.active),
        #apad>*:not(.active) {
            opacity: 0.4;
        }
    </style>
</head>

<body>
    <div id="controls">
        <button id="controls-fullscreen" class="unselectable">
            <svg viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg" width="25" height="25">
                <path d="M13.5 13.5H10m3.5 0V10m0 3.5l-4-4m.5-8h3.5m0 0V5m0-3.5l-4 4M5 1.5H1.5m0 0V5m0-3.5l4 4m-4 4.5v3.5m0 0H5m-3.5 0l4-4" stroke="currentColor"></path>
            </svg>
        </button>
    </div>
    <div id="status"></div>
    <div id="viewport">
        <canvas id="canvas" tabindex="-1" class="unselectable"></canvas>
        <div id="dpad" class="unselectable">
            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 72 72">
                <path id="dpad-up" data-key="ArrowUp" d="M48,5.8C48,2.5,45.4,0,42,0H29.9C26.6,0,24,2.4,24,5.8V24h24V5.8z" />
                <path id="dpad-right" data-key="ArrowRight" d="M66.2,24H48v24h18.2c3.3,0,5.8-2.7,5.8-6V29.9C72,26.5,69.5,24,66.2,24z" />
                <path id="dpad-down" data-key="ArrowDown" d="M24,66.3c0,3.3,2.6,5.7,5.9,5.7H42c3.3,0,6-2.4,6-5.7V48H24V66.3z" />
                <path id="dpad-left" data-key="ArrowLeft" d="M5.7,24C2.4,24,0,26.5,0,29.9V42c0,3.3,2.3,6,5.7,6H24V24H5.7z" />
                <rect id="dpad-center" x="24" y="24" width="24" height="24" />
            </svg>
        </div>
        <div id="apad" class="unselectable">
            <div id="apad-escape" data-key="Escape"></div>
            <div id="apad-enter" data-key="Enter"></div>
        </div>
    </div>
    <script async type="text/javascript" src="index.js"></script>
    <script>
        const hasTouchscreen = window.matchMedia('(hover: none), (pointer: coarse)').matches;
        const preventNativeKeys = ['ArrowUp', 'ArrowDown', 'ArrowRight', 'ArrowLeft', ' ', 'F12'];
        const keys = new Map();
        const keysDown = new Map();
        const canvas = document.getElementById('canvas');
        let easyrpgPlayer;
        let lastTouchedId;
        // Launch the Player and configure it
        window.addEventListener('load', (event) => {
            createEasyRpgPlayer({
                game: undefined,
                saveFs: undefined
            }).then(function (Module) {
                // Module is ready
                easyrpgPlayer = Module;
                easyrpgPlayer.initApi();
                canvas.focus();
                // Custom code here
            });
        });
        // Make EasyRPG player embeddable
        canvas.addEventListener('mouseenter', () => canvas.focus());
        canvas.addEventListener('click', () => canvas.focus());
        // Handle clicking on the fullscreen button
        document.querySelector('#controls-fullscreen').addEventListener('click', () => {
            const viewport = document.getElementById('viewport');
            if (viewport.requestFullscreen) {
                viewport.requestFullscreen();
            }
        });
        /**
         * Simulate a keyboard event on the emscripten canvas
         *
         * @param {string} eventType Type of the keyboard event
         * @param {string} key Key to simulate
         */
        function simulateKeyboardEvent(eventType, key) {
            const event = new Event(eventType, {
                bubbles: true
            });
            event.code = key;
            canvas.dispatchEvent(event);
        }
        /**
         * Simulate a keyboard input from `keydown` to `keyup`
         *
         * @param {string} key Key to simulate
         */
        function simulateKeyboardInput(key) {
            simulateKeyboardEvent('keydown', key);
            window.setTimeout(() => {
                simulateKeyboardEvent('keyup', key);
            }, 100);
        }
        /**
         * Bind a node by a specific key to simulate on touch
         *
         * @param {*} node The node to bind a key to
         * @param {string} key Key to simulate
         */
        function bindKey(node, key) {
            keys.set(node.id, key);
            node.addEventListener('touchstart', event => {
                event.preventDefault();
                simulateKeyboardEvent('keydown', key);
                keysDown.set(event.target.id, node.id);
                node.classList.add('active');
            });
            node.addEventListener('touchend', event => {
                event.preventDefault();
                const pressedKey = keysDown.get(event.target.id);
                if (pressedKey && keys.has(pressedKey)) {
                    const key = keys.get(pressedKey);
                    simulateKeyboardEvent('keyup', key);
                }
                keysDown.delete(event.target.id);
                node.classList.remove('active');
                if (lastTouchedId) {
                    document.getElementById(lastTouchedId).classList.remove('active');
                }
            });
            // Inspired by https://github.com/pulsejet/mkxp-web/blob/262a2254b684567311c9f0e135ee29f6e8c3613e/extra/js/dpad.js
            node.addEventListener('touchmove', event => {
                const {
                    target,
                    clientX,
                    clientY
                } = event.changedTouches[0];
                const origTargetId = keysDown.get(target.id);
                const nextTargetId = document.elementFromPoint(clientX, clientY).id;
                if (origTargetId === nextTargetId) return;
                if (origTargetId) {
                    const key = keys.get(origTargetId);
                    simulateKeyboardEvent('keyup', key);
                    keysDown.delete(target.id);
                    document.getElementById(origTargetId).classList.remove('active');
                }
                if (keys.has(nextTargetId)) {
                    const key = keys.get(nextTargetId);
                    simulateKeyboardEvent('keydown', key);
                    keysDown.set(target.id, nextTargetId);
                    lastTouchedId = nextTargetId;
                    document.getElementById(nextTargetId).classList.add('active');
                }
            })
        }
        /** @type {{[key: number]: Gamepad}} */
        let gamepads = {};
        const haveEvents = 'ongamepadconnected' in window;

function addGamepad(gamepad) {
            if (gamepad == undefined) {
                return;
            }
            gamepads[gamepad.index] = gamepad;
            updateTouchControlsVisibility();
        }

</html>

CSS