<!doctype html>
<html lang="en-us">
  <head>
    <meta charset="utf-8">
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <link rel="manifest" href="manifest.webmanifest">
    <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no">
    <script src="js/localforage.min.js"></script>
    <script src="js/drive.js"></script>
    <script src="gameasync/mapping.js"></script>

    <title>MKXP</title>
    <style>
    	body {
    	    margin: 0;
    	    padding: 0;
    	    background-color: black;
    	    height: 100vh
    	}
        #main {
            height: 100%;
            width: 100%;
        }

        #canvas {
      	    padding: 0;
      	    margin: 0 auto;
      	    display: block;
      	    border: 0px none;
      	    background-color: black;
            height: 100%;
            max-height: 100vh;
            max-width: 100vw;
        }

        #spinner {
            position: fixed;
            bottom: 40px;
            left: 20px;
            opacity: 0.5;
        }
        .spinner {
            height: 25px;
            width: 25px;
            margin: 0px auto;
            -webkit-animation: rotation .8s linear infinite;
            -moz-animation: rotation .8s linear infinite;
            -o-animation: rotation .8s linear infinite;
            animation: rotation 0.8s linear infinite;
            border-left: 10px solid white;
            border-right: 10px solid white;
            border-bottom: 10px solid white;
            border-top: 10px solid transparent;
            border-radius: 100%;
            background-color: transparent;
        }

        @-webkit-keyframes rotation {
            from {-webkit-transform: rotate(0deg);}
            to {-webkit-transform: rotate(360deg);}
        }
        @-moz-keyframes rotation {
            from {-moz-transform: rotate(0deg);}
            to {-moz-transform: rotate(360deg);}
        }
        @-o-keyframes rotation {
            from {-o-transform: rotate(0deg);}
            to {-o-transform: rotate(360deg);}
        }
        @keyframes rotation {
            from {transform: rotate(0deg);}
            to {transform: rotate(360deg);}
        }

        #fullscreen {
            position: fixed;
            bottom: 20px;
            right: 20px;
            opacity: 0.5;
            cursor: pointer;
        }
        #fullscreen:hover {
            opacity: 1;
        }
        #fullscreen > svg {
            height: 25px;
            width: 25px;
        }

        #progress {
            background-color: white;
            opacity: 0.6;
            position: fixed;
            bottom: 0; left: 0;
            color: black;
            padding: 3px 10px;
            border-top-right-radius: 5px;
        }

        #dpad, #apad {
            position: fixed;
            bottom: 0; left: 0;
            height: 30vh; max-height: 30vw;
            width: 30vh; max-width: 30vw;
            transform: translate(55%, -5%);
        }

        #apad {
            right: 0; left: unset;
            transform: unset;
            width: 15vh; max-width: 15vw;
        }

        #dpad *, #apad * {
            position: absolute;
            height: 15vh; max-height: 15vw;
            width: 15vh; max-width: 15vw;
            background-color: gray;
            opacity: 0.3;
        }

        #apad * {
            border-radius: 50%;
        }

        #d-up { transform: translateY(-100%); }
        #d-left { transform: translateX(-100%); }
        #d-down { transform: translateY(100%); }
        #d-right { transform: translateX(100%); }
        #ap-b { transform: translate(-130%, 90%); }
        #ap-c { transform: translate(-15%, -25%); }
        #ap-a {
            height: 7vh; max-height: 7vw;
            width: 7vh; max-width: 7vw;
            top: 50%;
            transform: translate(25%, 25%);
        }
    </style>
  </head>
  <body>
    <div id="main">
        <div style="overflow:visible;" id="spinner">
            <div class="spinner"></div>
        </div>
        <div id="progress">Loading ...</div>

        <canvas class="emscripten" id="canvas" oncontextmenu="event.preventDefault()" tabindex=-1 width="640" height="480"></canvas>

        <div id="dpad">
            <div id="d-up"></div>
            <div id="d-right"></div>
            <div id="d-down"></div>
            <div id="d-left"></div>
            <div id="d-pl"></div>
        </div>

        <div id="apad">
            <div id="ap-c"></div>
            <div id="ap-b"></div>
            <div id="ap-a"></div>
        </div>
    </div>

    <div onclick="fullscreen()" id="fullscreen">
        <svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 1000 1000" enable-background="new 0 0 1000 1000" xml:space="preserve">
        <g>
            <path fill="white" d="M947.4,9.8H707.6c-23.6,0-42.7,19.2-42.7,42.8l98.5,98.8L644.5,270.3c-11.9,11.9-17.9,27.5-17.9,43.1s6,31.2,17.9,43.1c23.8,23.8,62.4,23.8,86.3,0l118.7-118.7l97.9,98.3c23.6,0,42.6-19.2,42.6-42.8V52.5C990,29,971,9.8,947.4,9.8L947.4,9.8z"/>
            <path fill="white" d="M947.2,664.7l-100.4,100l-121-121c-23.9-23.9-62.4-23.9-86.3,0c-23.8,23.8-23.8,62.4,0,86.2l121,120.9l-96.7,96.4c0,23.6,19.2,42.6,42.8,42.6h240.7c23.6,0,42.8-19,42.8-42.6V707.4C990,683.7,970.8,664.7,947.2,664.7L947.2,664.7z"/>
            <path fill="white" d="M238.1,150.9L336.4,53c0-23.6-19.3-42.6-42.8-42.6H52.9c-23.6,0-42.8,19-42.8,42.6v239.7c0,23.6,19.2,42.7,42.8,42.7l98.9-98.4l122.1,122c11.9,12,27.5,17.9,43,17.9c15.7,0,31.2-6,43.2-17.9c23.7-23.7,23.7-62.4,0-86.1L238.1,150.9L238.1,150.9z"/>
            <path fill="white" d="M312.1,602.7L151.5,763.3L52.7,664C29.2,664,10,683.2,10,706.8v240.7c0,23.6,19.2,42.8,42.7,42.8h239.8c23.5,0,42.6-19.2,42.6-42.8l-97.4-97.9l160.7-160.7c23.9-23.9,23.9-62.4,0-86.3C374.6,578.9,336,578.9,312.1,602.7L312.1,602.7z"/>
        </g>
        </svg>
    </div>

    <script type='text/javascript'>
      var namespace = 'kne';
      var wTitle = 'KN_E'

      window.saveFile = function(filename) {
          const buf = FS.readFile('/game/' + filename);
          const b64 = _bytesToBase64(buf);
          localforage.setItem(namespace + filename, b64);

          localforage.getItem(namespace, function(err, res) {
              if (err || !res) res = {};
              res[filename] = 1;
              localforage.setItem(namespace, res);
          });
      };

      var loadFiles = function() {
          localforage.getItem(namespace, function(err, res) {
              if (err || !res) return;

              const keys = Object.keys(res);

              console.log('Locally stored savefiles', keys);

              keys.forEach((key) => {
                  localforage.getItem(namespace + key, (err, res) => {
                      if (err) return;

                      const buf = _base64ToBytes(res);
                      FS.writeFile('/game/' + key, buf);
                  });
              });
          });
      }

      var createDummies = function() {
          // Base directory
          FS.mkdir('/game');

          // Create dummy objects
          Object.values(mapping).forEach((file) => {
              // Get filename
              const filename = '/game/' + file.split("?")[0];

              // Check if folder
              if (file.endsWith('h=')) {
                  return FS.mkdir(filename);
              }

              // Create dummy file
              FS.writeFile(filename, '1');
          });
      };

      var Module = {
        preRun: [createDummies],
        postRun: [loadFiles],
        noAudioDecoding: true,
        print: (function() {
          return function(text) {
            console.log(text);
          };
        })(),
        printErr: function(text) {
          if (arguments.length > 1) text = Array.prototype.slice.call(arguments).join(' ');
          console.error(text);
        },
        canvas: (function() {
          var canvas = document.getElementById('canvas');
          canvas.addEventListener("webglcontextlost", function(e) { alert('WebGL context lost. You will need to reload the page.'); e.preventDefault(); }, false);

          return canvas;
        })(),
        setStatus: function(text) {

        }
      };

      window.setBusy = function() {
          document.getElementById('spinner').style.opacity = "0.5";
      };

      window.setNotBusy = function() {
          document.getElementById('spinner').style.opacity = "0";
      };

      function fullscreen() {
            document.getElementById('main').requestFullscreen();
            screen.orientation.lock("landscape")
      }

      window.onerror = function() {
          console.error("An error occured!")
      };

      window.fileLoadedAsync = function(file) {
          document.title = wTitle;

          if (!(/.*Map.*rxdata/i.test(file))) return;

          fetch('preload/' + file + '.json')
              .then(function(response) {
                  return response.json();
              })
              .then(function(jsonResponse) {
                  jsonResponse.forEach((f) => {
                      const url = mapping[f.toLowerCase().replace(new RegExp("\\.[^/.]+$"), "")];
                      if (!url) return;

                      // Preload the asset
                      setTimeout(() => {
                          fetch('gameasync/' + url).then().catch();
                      }, 1000);
                  });
              });
      };

      var hideTimer = 0;
      function getLazyAsset(url, filename, callback) {
          const xhr = new XMLHttpRequest();
          const pdiv = document.getElementById("progress");
          let showTimer = 0;
          let abortTimer = 0;

          const retry = () => {
              xhr.abort();
              getLazyAsset(url, filename, callback);
          }

          xhr.onreadystatechange = function() {
              if (xhr.readyState == XMLHttpRequest.DONE && xhr.status >= 200 && xhr.status < 400) {
                  pdiv.innerHTML = `${filename} - done`;
                  hideTimer = setTimeout(() => {
                      pdiv.style.opacity = '0';
                      hideTimer = 0;
                  }, 500);
                  callback();

                  clearTimeout(showTimer);
                  clearTimeout(abortTimer);
              }
          }
          xhr.onprogress = function (event) {
              const loaded = Math.round(event.loaded / 1024);
              const total = Math.round(event.total / 1024);
              pdiv.innerHTML = `${filename} - ${loaded}KB / ${total}KB`;

              clearTimeout(abortTimer);
              abortTimer = setTimeout(retry, 3000);
          };
          xhr.open('GET', url);
          xhr.send();

          pdiv.innerHTML = `${filename} - starting`;

          showTimer = setTimeout(() => {
              pdiv.style.opacity = '0.5';
          }, 100);

          abortTimer = setTimeout(retry, 3000);

          if (hideTimer) {
              clearTimeout(hideTimer);
              hideTimer = 0;
          }
      }

      document.title = wTitle;
    </script>

    <script>
      // Load wasm then initialize
      setTimeout(() => {
          getLazyAsset('mkxp.wasm', 'Game engine', () => {
              const s = document.createElement('script');
              s.setAttribute('src', 'mkxp.js');
              document.body.appendChild(s);
          });
      }, 500);

    function simulateKeyEvent(eventType, keyCode, charCode) {
        var e = document.createEventObject ? document.createEventObject() : document.createEvent("Events");
        if (e.initEvent) e.initEvent(eventType, true, true);

        e.keyCode = keyCode;
        e.which = keyCode;
        e.charCode = charCode;

        // Dispatch directly to Emscripten's html5.h API (use this if page uses emscripten/html5.h event handling):
        if (typeof JSEvents !== 'undefined' && JSEvents.eventHandlers && JSEvents.eventHandlers.length > 0) {
            for(var i = 0; i < JSEvents.eventHandlers.length; ++i) {
                if ((JSEvents.eventHandlers[i].target == Module['canvas'] || JSEvents.eventHandlers[i].target == window)
                    && JSEvents.eventHandlers[i].eventTypeString == eventType) {
                    JSEvents.eventHandlers[i].handlerFunc(e);
                }
            }
        } else {
            // Dispatch to browser for real (use this if page uses SDL or something else for event handling):
            Module['canvas'].dispatchEvent ? Module['canvas'].dispatchEvent(e) : Module['canvas'].fireEvent("on" + eventType, e);
        }
    }

    // Mappings
    const keyMap = {};
    const keysDown = {};

    /** Add virtual key binding */
    function bindKey(elem, key) {
        keyMap[elem] = key;
        const ne = document.getElementById(elem);

        ne.addEventListener('touchstart', function(e) {
            e.preventDefault();
            simulateKeyEvent('keydown', key);
            keysDown[e.target.id] = elem;
        });
        ne.addEventListener('touchend', function(e) {
            e.preventDefault();
            if (keysDown[e.target.id] && keyMap[keysDown[e.target.id]]) {
                simulateKeyEvent('keyup', keyMap[keysDown[e.target.id]]);
            }
            keysDown[e.target.id] = 0;
        });

        ne.addEventListener('touchmove', function(event) {
            const myLocation = event.changedTouches[0];
            const realTarget = document.elementFromPoint(myLocation.clientX, myLocation.clientY).id;
            const origTarget = keysDown[myLocation.target.id];

            if (origTarget !== realTarget) {
                if (origTarget) {
                    simulateKeyEvent('keyup', keyMap[origTarget]);
                    keysDown[myLocation.target.id] = 0;
                }
                if (keyMap[realTarget]) {
                    simulateKeyEvent('keydown', keyMap[realTarget]);
                    keysDown[myLocation.target.id] = realTarget;
                }
            }
        });
    }

    function is_touch_device() {
        try {
            document.createEvent("TouchEvent");
            return true;
        } catch (e) {
            return false;
        }
    }

    if (!is_touch_device()) {
        document.getElementById('dpad').style.display = 'none';
        document.getElementById('apad').style.display = 'none';
    }

    // Add all bindings
    bindKey('d-up', 38);
    bindKey('d-right', 39);
    bindKey('d-down', 40);
    bindKey('d-left', 37);
    bindKey('ap-c', 67);
    bindKey('ap-b', 88);
    bindKey('ap-a', 90);

    const resize = function() {
        const el = document.getElementById('canvas');
        if (window.innerHeight > window.innerWidth) {
            el.style.height = 'unset';
            el.style.width = '100%';
        } else {
            el.style.width = 'unset';
            el.style.height = '100%';
        }
    }

    window.addEventListener('resize', resize);
    resize();

    </script>

    <!-- <script async type="text/javascript" src="mkxp.js"></script> -->
  </body>
</html>