const NeomojiMixer = (function(NeomojiMixer) { //global variables const color_names = [ "blue", "lightgrey", "orange", "red", "white", "yellow", ]; let selected_color = "blue"; let color_change_callbacks = []; //shotnames for HTML elements to interact with const canvas = document.getElementById("canvas_export"); const export_img = document.getElementById("imageExport"); const neomoji_name = document.getElementById("fullNeomojiName"); //Stats const stats = document.getElementById("stats"); function onColorChange() { for (let i = 0; i < color_change_callbacks.length; i++) { if (color_change_callbacks[i]) { color_change_callbacks[i](); } } } function PartHandler(name) { this.name = name; this.entries = []; //Arrays to hold the parts this.entry_indices = []; //Maps selected_index to entries index this.selected_index = 0; //index_color -> arms.selected_index; index_arms -> arms.entry_indices[arms.selected_index] this.image_element = document.getElementById(name + "_img"); this.name_element = document.getElementById(name + "_name"); this.button_left = document.getElementById(name + "_left"); this.button_right = document.getElementById(name + "_right"); } PartHandler.prototype = { fillArray: function(item) { let name = item.name; let url = item.url; this.entries.push([name, url]); //Two dimensional array, Second dimension holds name on index 0 and url at index 1 }, fillIndices: function() { for (let i = 0; i < this.entries.length; i++) { this.entry_indices.push(i); //By default preserve index } }, getSelectedEntry: function() { return this.entries[this.entry_indices[this.selected_index]]; }, setIndex: function(index) { const modulo = this.entry_indices.length; //Check if index is too big for the array if (!modulo) { this.selected_index = 0; //Error } else { index %= modulo; if (index < 0) { index += modulo; } this.selected_index = index; } this.redraw(); }, redraw: function() { const entry = this.getSelectedEntry(); this.image_element.src = "." + entry[1]; //Change URL of picture //Change name in controls this.updateOptions(); this.name_element.selectedIndex = this.selected_index; }, onClickNext: function() { this.setIndex(this.selected_index + 1); }, onClickPrev: function() { this.setIndex(this.selected_index - 1); }, onChangeDropdown: function() { this.setIndex(this.name_element.selectedIndex); }, activateControls: function() { this.button_left.disabled = false; this.button_right.disabled = false; this.name_element.disabled = false; }, randomize: function() { this.setIndex(Math.floor(Math.random() * this.entry_indices.length)); }, createExportImage: function() { const entry = this.getSelectedEntry(); let img = new Image(); img.src = "." + entry[1]; return img; }, updateOptions: function() { const options = this.name_element.options; for (let i = 0; i < this.entry_indices.length; i++) { const index = this.entry_indices[i]; const entry = this.entries[index]; if (options.length > i && options[i].value == entry[0]) { continue; } else { const option = new Option(entry[0], entry[0], false, this.selected_index == i); if (this.name_element.length <= i) { this.name_element.add(option); } else { this.name_element.remove(i); this.name_element.add(option, i); } } } }, }; function ColoredPartHandler(name) { PartHandler.call(this, name); //For all the different colours of the arms there will be each a own array this.colored_indices = Object.create(null); for (let i = 0; i < color_names.length; i++) { this.colored_indices[color_names[i]] = []; } this.entry_indices = this.colored_indices[selected_color]; const that = this; color_change_callbacks.push(function() { that.onColorChange(); }); } ColoredPartHandler.prototype = Object.assign(Object.create(PartHandler.prototype), { constructor: PartHandler, fillArray: function(item) { let name = item.name; let url = item.url; let color = item.color; this.entries.push([name, url, color]); //Two dimensional array, Second dimension holds name on index 0, url at index 1, and color at index 2 }, fillIndices: function() { for (let i = 0; i < this.entries.length; i++) { const color = this.entries[i][2]; if (color == "") { //All colors for (let j in this.colored_indices) { this.colored_indices[j].push(i); } } else { const indices = this.colored_indices[color]; if (indices == undefined) { console.log("Cannot register " + this.name + " with unknown color: " + color); } else { indices.push(i); } } } }, onColorChange: function() { this.entry_indices = this.colored_indices[selected_color]; this.redraw(); }, }); function BodyPartHandler(name) { PartHandler.call(this, name); } BodyPartHandler.prototype = Object.assign(Object.create(PartHandler.prototype), { constructor: PartHandler, fillArray: ColoredPartHandler.prototype.fillArray, setIndex: function(index) { const modulo = this.entry_indices.length; //Check if index is too big for the array if (!modulo) { this.selected_index = 0; //Error } else { index %= modulo; if (index < 0) { index += modulo; } this.selected_index = index; } this.redraw(); const entry = this.getSelectedEntry(); selected_color = entry[2]; //Global onColorChange(); //Global }, }); const part_handlers = { body: new BodyPartHandler("body"), eyes: new PartHandler("eyes"), mouth: new PartHandler("mouth"), arms: new ColoredPartHandler("arms"), }; // Loading the JSON and getting all the available parts async function getData() { fetch('./parts.json') .then(function(response) { return response.json(); }) .then(function(data) { loadParts(data); }) .catch(function(error) { console.log('An error occurred:', error); }); } function loadParts(parts) { //Load parts into Arrays for (const i in part_handlers) { parts.type[i].forEach(function(p) {part_handlers[i].fillArray(p);}); } //find the indexes of each part of the corresponding color and write those into the color arrays for (const i in part_handlers) { part_handlers[i].fillIndices(); } //Randomize initial view randomize(); //Show little statistic var sum = 0; var variety = 1; for (const i in part_handlers) { sum += part_handlers[i].entries.length; variety *= part_handlers[i].entry_indices.length; } stats.innerHTML = "There are " + sum + " Elements available,
with " + new Intl.NumberFormat("de-DE").format(variety) + " possible combinations."; //Activate the buttons after everything is loaded in for (const i in part_handlers) { part_handlers[i].activateControls(); } document.getElementById("random").disabled = false; document.getElementById("export").disabled = false; } function randomize() { //Randomize which parts are shown for (const i in part_handlers) { part_handlers[i].randomize(); } } function exportImage() { //Export image so it can be saved as one PNG let ctx=canvas.getContext("2d"); ctx.clearRect(0, 0, canvas.width, canvas.height); neomoji_name.value = part_handlers.body.getSelectedEntry()[0] + "_" + part_handlers.eyes.getSelectedEntry()[0] + "_" + part_handlers.mouth.getSelectedEntry()[0] + "_" + part_handlers.arms.getSelectedEntry()[0]; //Set name for the emoji to use as the image name and to show as shortcode let export_layers = [ part_handlers.body.createExportImage(), part_handlers.eyes.createExportImage(), part_handlers.mouth.createExportImage(), part_handlers.arms.createExportImage(), ]; function layerCallback() { while (export_layers.length) { const layer = export_layers[0]; if (!layer.complete) { layer.onload = layerCallback; return; //Wait to load } //Finished waiting export_layers.shift() ctx.drawImage(layer, 0, 0, 256, 256); } let img = canvas.toDataURL("image/png"); export_img.src = img; } setTimeout(layerCallback, 0); //Run asynchronously export_img.hidden = false; neomoji_name.hidden = false; document.getElementById("exportSaveMessage").hidden = false; } NeomojiMixer.PartHandler = PartHandler; NeomojiMixer.ColoredPartHandler = ColoredPartHandler; NeomojiMixer.BodyPartHandler = BodyPartHandler; NeomojiMixer.color_names = color_names; NeomojiMixer.color_change_callbacks = color_change_callbacks; NeomojiMixer.part_handlers = part_handlers; NeomojiMixer.onColorChange = onColorChange; NeomojiMixer.getData = getData; NeomojiMixer.loadParts = loadParts; NeomojiMixer.randomize = randomize; NeomojiMixer.exportImage = exportImage; NeomojiMixer.canvas = canvas; NeomojiMixer.export_img = export_img; NeomojiMixer.neomoji_name = neomoji_name; NeomojiMixer.stats = stats; Object.defineProperty(NeomojiMixer, 'selected_color', { enumerable: true, configurable: true, get: function() { return selected_color; }, set: function(value) { selected_color = value; onColorChange(); }, }); return NeomojiMixer; })(window.NeomojiMixer || {}); //Main Programm document.getElementById("noJSmessage").hidden = true; NeomojiMixer.getData();