315 lines
8.9 KiB
JavaScript
315 lines
8.9 KiB
JavaScript
if(typeof module !== "undefined") {
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module.exports = mothersprite;
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} else {
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this.ebsprite = mothersprite;
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}
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var spriteData = [
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{
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"name": "Boney",
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"sprites": [
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"1", "2", "3", "4",
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"5", "6", "7", "8",
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"9", "10", "11", "12",
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"13", "14", "15", "16"
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]
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},
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{
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"name": "Duster",
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"sprites": [
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"17", "18", "19", "20",
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"21", "22", "23", "24",
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"25", "26", "27", "28",
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"29", "30", "31", "32"
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]
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},
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{
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"name": "Lucas",
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"sprites": [
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"33", "34", "35", "36",
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"37", "38", "39", "40",
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"41", "42", "43", "44",
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"45", "46", "47", "48"
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]
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},
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{
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"name": "Flint",
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"sprites": [
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"49", "50", "51", "52",
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"53", "54", "55", "56",
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"57", "58", "59", "60",
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"61", "62", "63", "64"
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]
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},
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{
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"name": "Porky",
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"sprites": [
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"65", "66", "67", "68",
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"69", "70", "71", "72",
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"73", "74", "75", "76",
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"77", "78", "79", "80"
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]
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}
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];
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function mothersprite() {
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}
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mothersprite.start = function(client) {
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if(this.run) return;
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var self = this;
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this.run = true;
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this.client = client;
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this.canvas = document.createElement("canvas");
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var canvas = this.canvas;
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document.body.insertBefore(this.canvas, document.body.firstChild);
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this.canvas.width = window.innerWidth;
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this.canvas.height = window.innerHeight;
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this.canvas.style.position = "absolute";
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var camera = new Camera(this.canvas.width, this.canvas.height);
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var context = this.canvas.getContext("2d");
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context.fillStyle = "rgb(255,255,255)";
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requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame ||
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window.webkitRequestAnimationFrame || window.msRequestAnimationFrame;
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var ySort = function(a, b) {
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return a.position.y - b.position.y;
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};
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var directionMap = {
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"up": {x: 0, y: -1},
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"up-right": {x: 0.707106782, y: -0.707106782},
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"right": {x: 1, y: 0},
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"right-down": {x: 0.707106782, y: 0.707106782},
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"down": {x: 0, y: 1},
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"down-left": {x: -0.707106782, y: 0.707106782},
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"left": {x: -1, y: 0},
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"left-up": {x: -0.707106782, y: -0.707106782}
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};
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var render_loop = function() {
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var players = [];
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for(var i in playerMap) {
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players.push(playerMap[i]);
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}
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context.clearRect(0, 0, self.canvas.width, self.canvas.height);
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for(var i in players) {
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var player = players[i];
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if(player.walking) {
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var vec = directionMap[player.direction];
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var time = Date.now() - player.updateTime;
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player.position.x = player.updatePosition.x + (vec.x * player.walkSpeed * time);
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player.position.y = player.updatePosition.y + (vec.y * player.walkSpeed * time);
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if(player.position.x < 0) player.position.x = 0;
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else if(player.position.x > canvas.width) player.position.x = canvas.width;
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if(player.position.y < 0) player.position.y = 0;
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else if(player.position.y > canvas.width) player.position.y = canvas.width;
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}
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}
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players.sort(ySort);
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for(var i in players) {
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var player = players[i];
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var img = player.spriteProvider.getCurrentSprite(player);
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if(img) context.drawImage(img,
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Math.floor(player.position.x - camera.position.x - (img.width / 2)),
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Math.floor(player.position.y - camera.position.y - img.height));
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/*if(player.chat) {
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var text = player.chat;
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var t = Math.floor((Date.now() - player.chatTime) / 50);
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text = text.substring(0, t);
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context.fillText(text,
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Math.floor(player.position.x - camera.position.x),
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Math.floor(player.position.y - camera.position.y - img.height) - 10);
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}*/
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}
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if(self.run) requestAnimationFrame(render_loop);
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};
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render_loop();
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this.onresize = function() {
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canvas.width = $(window).width();
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canvas.height = $(window).height();
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context.clearRect(0, 0, canvas.width, canvas.height);
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}
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window.addEventListener("resize", this.onresize);
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function downloadImage(url, cb) {
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var img = new Image();
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img.onerror = function() {
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cb("onerror", img);
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};
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img.onabort = function() {
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cb("onabort", img);
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};
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img.onload = function() {
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cb(false, img);
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};
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img.src = url;
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};
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function downloadImages(urls, cb) {
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var imgs = new Array(urls.length);
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var c = 0;
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for(var i in urls) {
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(function() {
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var j = i;
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downloadImage(urls[j], function(err, img) {
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if(err) {
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cb(err, imgs);
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cb = function() {};
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} else {
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imgs[j] = img;
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if(++c == urls.length) {
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cb(false, imgs);
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}
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}
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});
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})();
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}
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};
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function Camera(width, height) {
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this.width = width;
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this.height = height;
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this.position = {x: 0, y: 0};
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};
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function SpriteProvider(sprites, cb) {
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var urls = new Array(sprites.length);
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for(var i in sprites) {
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urls[i] = "https://mpp.hri7566.info/mothersprite/" + sprites[i] + ".png";
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}
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downloadImages(urls, (function(err, imgs) {
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if(!err) {
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var s = imgs;
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this.sprites = {};
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this.sprites["up"] = [s[0], s[1]];
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this.sprites["right"] = [s[2], s[3]];
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this.sprites["down"] = [s[4], s[5]];
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this.sprites["left"] = [s[6], s[7]];
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this.sprites["up-right"] = [s[8] || s[2], s[9] || s[3]];
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this.sprites["right-down"] = [s[10] || s[2], s[11] || s[3]];
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this.sprites["down-left"] = [s[12] || s[6], s[13] || s[7]];
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this.sprites["left-up"] = [s[14] || s[6], s[15] || s[7]];
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}
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if(cb) cb();
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}).bind(this));
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};
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//SpriteProvider.prototype.sprites = {};
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SpriteProvider.prototype = new SpriteProvider(["2354","2355","2356","2357","2358","2359","2360","2361"]);
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SpriteProvider.prototype.getCurrentSprite = function(player) {
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if(this.sprites && this.sprites[player.direction]) {
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if(player.walking) {
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var time = Date.now() - player.updateTime;
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return this.sprites[player.direction][time & 0x80 ? 0 : 1];
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} else {
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return this.sprites[player.direction][0];
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}
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}
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};
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var Player = function(id) {
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this.id = id;
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//this.sprites = spriteData[0].sprites;
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this.sprites = spriteData[parseInt(id, 16) % spriteData.length].sprites;
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this.spriteProvider = new SpriteProvider(this.sprites);
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this.canMoveDiagonally = (this.sprites[8] && this.sprites[9] && this.sprites[10] && this.sprites[11] && this.sprites[12] && this.sprites[13] && this.sprites[14] && this.sprites[15]) ? true : false;
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this.walkSpeed = 0.15;
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this.direction = "down";
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this.walking = false;
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this.updatePosition = {
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x: canvas.width / 2,
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y: canvas.height / 2
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};
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this.position = {x: this.updatePosition.x, y: this.updatePosition.y};
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this.updateTime = Date.now();
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};
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var player = new Player(client.participantId);
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var playerMap = {}
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playerMap[client.participantId] = player;
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function move(id) {
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var player = playerMap[id];
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var part = client.ppl[id];
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if(!player || !part) return;
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var target = {x: (part.x / 100) * self.canvas.width, y: (client.ppl[id].y / 100) * self.canvas.height};
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var difference = {x: target.x - player.position.x, y: target.y - player.position.y};
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var distance = Math.sqrt(Math.pow(difference.x, 2) + Math.pow(difference.y, 2));
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if(distance > 4) {
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var angle = Math.atan2(difference.y, difference.x);
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angle += Math.PI; // account negative Math.PI
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angle += Math.PI / 8; // askew
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angle /= (Math.PI * 2);
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angle = Math.floor(angle * 8) % 8;
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var direction = ["left", "left-up", "up", "up-right", "right", "right-down", "down", "down-left"][angle];
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if(player.direction !== direction) {
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if((Date.now() - player.updateTime > 500) || !player.walking) {
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player.direction = direction;
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player.updatePosition = {x: player.position.x, y: player.position.y};
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player.updateTime = Date.now();
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}
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}
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if(distance > 75) {
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if(!player.walking) {
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player.walking = true;
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player.updatePosition = {x: player.position.x, y: player.position.y};
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player.updateTime = Date.now();
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}
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}
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}
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if(distance < 25) {
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if(player.walking) {
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player.walking = false;
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player.updatePosition = {x: player.position.x, y: player.position.y};
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player.updateTime = Date.now();
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}
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}
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}
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this.animationInterval = setInterval(function() {
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move(client.participantId);
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for(var id in client.ppl) {
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if(!client.ppl.hasOwnProperty(id)) continue;
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move(id);
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}
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}, 50);
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this.participantAdded = function(part) {
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if (part._id !== "4a50b6981d9f08b9675cd49a") return;
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playerMap[part.id] = new Player(part.id);
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}
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for(var id in client.ppl) {
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if(!client.ppl.hasOwnProperty(id)) continue;
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playerMap[id] = new Player(id);
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}
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client.on("participant added", this.participantAdded);
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this.participantRemoved = function(part) {
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delete playerMap[part.id];
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}
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client.on("participant removed", this.participantRemoved);
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}
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mothersprite.stop = function() {
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this.run = false;
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if(this.canvas) {
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document.body.removeChild(this.canvas);
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this.canvas = undefined;
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}
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window.removeEventListener("resize", this.onresize);
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clearInterval(this.animationInterval);
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if(this.client) {
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this.client.off("participant added", this.participantAdded);
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this.client.off("participant removed", this.participantRemoved);
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}
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} |