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main.js
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main.js
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let gl;
function lockError(e){
console.log('pointer lock failed');
}
function sfc32(a, b, c, d) {
return function() {
a >>>= 0; b >>>= 0; c >>>= 0; d >>>= 0;
var t = (a + b) | 0;
a = b ^ b >>> 9;
b = c + (c << 3) | 0;
c = (c << 21 | c >>> 11);
d = d + 1 | 0;
t = t + d | 0;
c = c + t | 0;
return (t >>> 0) / 4294967296;
}
}
function cyrb128(str) {
let h1 = 1779033703, h2 = 3144134277,
h3 = 1013904242, h4 = 2773480762;
for (let i = 0, k; i < str.length; i++) {
k = str.charCodeAt(i);
h1 = h2 ^ Math.imul(h1 ^ k, 597399067);
h2 = h3 ^ Math.imul(h2 ^ k, 2869860233);
h3 = h4 ^ Math.imul(h3 ^ k, 951274213);
h4 = h1 ^ Math.imul(h4 ^ k, 2716044179);
}
h1 = Math.imul(h3 ^ (h1 >>> 18), 597399067);
h2 = Math.imul(h4 ^ (h2 >>> 22), 2869860233);
h3 = Math.imul(h1 ^ (h3 >>> 17), 951274213);
h4 = Math.imul(h2 ^ (h4 >>> 19), 2716044179);
return [(h1^h2^h3^h4)>>>0, (h2^h1)>>>0, (h3^h1)>>>0, (h4^h1)>>>0];
}
function vec3ToLin(vec, sz) {
return vec[0] + vec[1] * sz[0] + vec[2] * sz[0] * sz[1];
}
//encode block_material, sample xyz, sample rotation
function pack5_16(vec) {
let sz = 16;
return (vec[0] + 1) + vec[1] * sz + vec[2] * sz * sz + vec[3] * sz * sz * sz + (vec[4] + 3) * sz * sz * sz * sz;
}
var saveByteArray = (function () {
var a = document.createElement("a");
document.body.appendChild(a);
a.style = "display: none";
return function (data, name) {
var blob = new Blob(data, {type: "octet/stream"}),
url = window.URL.createObjectURL(blob);
a.href = url;
a.download = name;
a.click();
window.URL.revokeObjectURL(url);
};
}());
localStorage.setItem("leaderBoard", localStorage.getItem("leaderBoard") || '[]');
let leaderboard = JSON.parse(localStorage.getItem("leaderBoard"));
function genLeaderboard() {
if(leaderboard.length == 0) {
document.querySelector(".leaderboard-content").innerHTML = "No scores yet!";
return;
}
document.querySelector(".leaderboard-content").innerHTML = leaderboard.map((score, index) => `
<div class="leaderboard-item">
<div class="leaderboard-item__rank">${index + 1}</div>
<div class="leaderboard-item__name">${score.name}</div>
<div class="leaderboard-item__score">${score.score} secs</div>
</div>
`).join("");
}
genLeaderboard();
class Material {
constructor(albedoFactor = 0.8, albedo = [1.0, 1.0, 1.0], reflectivity = 0.0, emission = [0.0, 0.0, 0.0], isGlass = false, lightGroup=0) {
this.albedoFactor = albedoFactor;
this.albedo = albedo;
this.reflectivity = reflectivity;
this.emission = emission;
this.isGlass = isGlass;
this.lightGroup = lightGroup;
}
}
class GlassMaterial extends Material {
constructor(albedofactor = 0.8, albedo = [1.0, 1.0, 1.0]) {
super(albedofactor, albedo);
this.isGlass = true;
}
}
class EmissionMaterial extends Material {
constructor(emission = [1.0, 1.0, 1.0], lightGroup = 0) {
super(0.0, [0.0, 0.0, 0.0], 0.0, emission, false , lightGroup);
}
}
let defaultMap = {
blocks_dims: [16, 16, 16],
blocks: [],
fakeLights: [
[6, 6, 4]
],
materials: [
new Material(0.8, [0.4, 0.8, 0.8]),
new Material(0.8, [0.8, 0.2, 0.8], 0.4),
new GlassMaterial(0.9),
new Material(0.8, [0.8, 0.8, 0.8]),
],
staticLights: [
{
position: [6, 8, 4],
power: [10000.0, 32000.0, 40000.0],
radius: 1.0,
lightGroup: 0
},
{
position: [9, 12, 12],
power: [40000.0, 12000.0, 10000.0],
radius: 1.0,
lightGroup: 1
},
{
position: [9.5, 7.5, 5],
power: [300000.0, 12000.0, 150000.0],
radius: 0.3,
lightGroup: 2
}
],
dynamicSpheres: [
{
position: [2, 4, 12],
radius: 0.4,
material: new Material(0.6, [1.0, 0.6, 0.8], 0.0, [1.0, 1.0, 1.0]),
t: 0.0,
activationRadius: 8.0,
hp: 4,
mob: 0,
type: 0, //0 - mob, 1 - projectile
},
{
position: [12, 4, 12],
radius: 0.4,
material: new Material(0.6, [0.2, 0.6, 0.8], 0.0, [1.0, 1.0, 1.0]),
t: 0.0,
activationRadius: 5.0,
hp: 10,
damage: 5,
mob: 1, //0 - shootinng mob, 1 - moving mob
type: 0, //0 - mob, 1 - projectile
speed: 3,
}
],
spheres: [
{
position: [9.5, 5.5, 5],
radius: 0.8,
material: new GlassMaterial(0.9)
},
{
position: [7.3, 2.5, 3.5],
radius: 1.0,
material: new Material(0.8, [1.0, 0.85, 0.6], 0.3, [0.0, 0.0, 0.0])
}
],
cubes: [
{
pos1: [12.31, 1.31, 12.31],
pos2: [12.69, 1.69, 12.69],
material: new Material(0.9, [1.0, 1.0, 1.0], 0.0, [3000, 3000, 3000], false, 4),
set: false,
t: 0.0
},
{
pos1: [6, 1, 6],
pos2: [5, 2, 7],
material: new Material(0.9, [1.0, 1.0, 1.0], 0.0, [2000, 800, 1500], false, 5),
set: false,
t: 0.0
},
{
pos1: [1, 1, 4],
pos2: [2, 2, 5],
material: new Material(0.9, [1.0, 1.0, 1.0], 0.0, [2000, 800, 1500], false, 6),
set: false,
t: 0.0
},
{
pos1: [9, 1, 10],
pos2: [8, 2, 11],
material: new Material(0.9, [1.0, 1.0, 1.0], 0.0, [2000, 800, 1500], false, 7),
set: false,
t: 0.0
},
],
particles: [
{
position: [10, 1.8, 1.3],
radius: 0.5,
type: "item",
color: [2000.0, 1000.0, 6000.0],
}
],
lightGroups: [
[1.0, 1.0, 1.0],
[0, 0, 0],
[0, 0, 0],
[1.0, 1.0, 1.0],
[0, 0, 0],
[0, 0, 0],
[0, 0, 0],
[0, 0, 0],
],
name: "map1",
"shootPlayerSound": "shot1.mp3",
"shootEnemySound": "shot2.mp3",
"bgSound": "bg1.mp3",
"itemSound": "item.mp3",
}
defaultMap.blocks = new Array(defaultMap.blocks_dims[0] * defaultMap.blocks_dims[1] * defaultMap.blocks_dims[2])
defaultMap.blocks.fill(-1);
class Map {
constructor() {
this.importMap(defaultMap);
this.prefix = "incredible_";
this.seed = cyrb128(this.prefix + "map1");
let rand = sfc32(this.seed[0], this.seed[1], this.seed[2], this.seed[3]);
//set map borders to material 0:
for(let x = 0; x < this.blocks_dims[0]; x++) {
for(let y = 0; y < this.blocks_dims[1]; y++) {
for(let z = 0; z < this.blocks_dims[2]; z++) {
if(x == 0 || x == this.blocks_dims[0] - 1 || y == 0 || y == this.blocks_dims[1] - 1 || z == 0 || z == this.blocks_dims[2] - 1) {
this.blocks[vec3ToLin([x,y,z], this.blocks_dims)] = 0;
}
}
}
}
this.blocks[vec3ToLin([1,1,1], this.blocks_dims)] = 0;
}
importMap(map) {
for(let key in map) {
this[key] = map[key];
}
}
export() {
let map = {};
for(let key in this) {
if(key == "prefix" || key == "seed") continue;
map[key] = this[key];
}
return JSON.stringify(map);
}
setMaterialUniform(prog, loc, material) {
gl.uniform1f(prog.u_(loc + ".reflectivity"), material.reflectivity);
gl.uniform1f(prog.u_(loc + ".albedoFactor"), material.albedoFactor);
gl.uniform3fv(prog.u_(loc + ".albedo"), material.albedo);
gl.uniform3fv(prog.u_(loc + ".emission"), material.emission);
gl.uniform1i(prog.u_(loc + ".isGlass"), material.isGlass);
gl.uniform1i(prog.u_(loc + ".lightGroup"), material.lightGroup);
}
setUniforms(prog, onlyStatic = false) {
gl.useProgram(prog.program);
gl.uniform1i(prog.u_("numStaticLights"), this.staticLights.length);
for(let i = 0; i < this.staticLights.length; i++) {
gl.uniform3fv(prog.u_("staticLights[" + i + "].position"), this.staticLights[i].position);
gl.uniform3fv(prog.u_("staticLights[" + i + "].power"), this.staticLights[i].power);
gl.uniform1f(prog.u_("staticLights[" + i + "].radius"), this.staticLights[i].radius);
gl.uniform1i(prog.u_("staticLights[" + i + "].lightGroup"), this.staticLights[i].lightGroup);
}
if(!onlyStatic) {
gl.uniform1i(prog.u_("numFakePointLights"), this.fakeLights.length);
for(let i = 0; i < this.fakeLights.length; i++) {
gl.uniform3fv(prog.u_("fakePointLights[" + i + "].position"), this.fakeLights[i]);
}
gl.uniform1i(prog.u_("numDynamicSpheres"), this.dynamicSpheres.length);
for(let i = 0; i < this.dynamicSpheres.length; i++) {
gl.uniform3fv(prog.u_("dynamicSpheres[" + i + "].center"), this.dynamicSpheres[i].position);
gl.uniform1f(prog.u_("dynamicSpheres[" + i + "].radius"), this.dynamicSpheres[i].radius);
this.setMaterialUniform(prog, "dynamicSpheres[" + i + "].material", this.dynamicSpheres[i].material);
}
gl.uniform1i(prog.u_("numParticles"), this.particles.length);
for(let i = 0; i < this.particles.length; i++) {
gl.uniform3fv(prog.u_("particles[" + i + "].position"), this.particles[i].position);
gl.uniform1f(prog.u_("particles[" + i + "].radius"), this.particles[i].radius);
gl.uniform3fv(prog.u_("particles[" + i + "].color"), this.particles[i].color);
}
}
gl.uniform1i(prog.u_("numCubes"), this.cubes.length);
for(let i = 0; i < this.cubes.length; i++) {
gl.uniform3fv(prog.u_("cubes[" + i + "].min"), this.cubes[i].pos1);
gl.uniform3fv(prog.u_("cubes[" + i + "].max"), this.cubes[i].pos2);
this.setMaterialUniform(prog, "cubes[" + i + "].material", this.cubes[i].material);
}
gl.uniform1i(prog.u_("numSpheres"), this.spheres.length);
for(let i = 0; i < this.spheres.length; i++) {
gl.uniform3fv(prog.u_("spheres[" + i + "].center"), this.spheres[i].position);
gl.uniform1f(prog.u_("spheres[" + i + "].radius"), this.spheres[i].radius);
this.setMaterialUniform(prog, "spheres[" + i + "].material", this.spheres[i].material);
}
for(let i = 0; i < this.lightGroups.length; i++) {
gl.uniform3fv(prog.u_("lightGroupScale[" + i + "]"), this.lightGroups[i]);
}
for(let i = 0; i < this.materials.length; i++) {
this.setMaterialUniform(prog, "materials[" + i + "]", this.materials[i]);
}
}
setBlock(x,y,z, block) {
this.blocks[vec3ToLin([x,y,z], this.blocks_dims)] = block;
this.blocksDirty = true;
}
updateBlocks() {
if(!this.blocksDirty) {
return;
}
gl.activeTexture(gl.TEXTURE0);
gl.bindTexture(gl.TEXTURE_3D, sharedResources.blocksDataTex);
gl.texImage3D(gl.TEXTURE_3D, 0, gl.R32I, this.blocks_dims[0], this.blocks_dims[1], this.blocks_dims[2], 0, gl.RED_INTEGER, gl.INT, new Int32Array(this.blocks));
app.programs[0].genMapping();
app.programs[1].genMapping();
this.blocksDirty = false;
}
needBaking(primary, secondary) {
if(primary == -1)
return false;
let isPrimaryGlass = this.materials[primary].isGlass;
if(secondary == -1)
return !isPrimaryGlass;
let isSecondaryGlass = this.materials[secondary].isGlass;
return !isPrimaryGlass && isSecondaryGlass;
}
}
let map = new Map();
let soundManager = {
sounds: {
'shoot1': [new Audio('sounds/' + map.shootPlayerSound)],
'shoot2': [new Audio('sounds/' + map.shootEnemySound)],
'bg': [new Audio('sounds/' + map.bgSound)],
'item': [new Audio('sounds/' + map.itemSound)],
},
soundIndex: 0,
playsound(sound) {
if(this.sounds[sound].length < 5) {
this.sounds[sound].push(this.sounds[sound][0].cloneNode());
}
this.sounds[sound][this.soundIndex % this.sounds[sound].length].play();
this.soundIndex++;
}
}
soundManager.sounds['bg'][0].volume = 0.2;
soundManager.sounds['bg'][0].loop = true;
let sharedResources = {};
class Prog {
constructor(name) {
this.name = name;
this.init = false;
this.clearEnabled = true;
}
getAdjacentBlock(vec) {
let lin = vec3ToLin(vec, map.blocks_dims);
if(lin < 0 || lin >= map.blocks.length) {
return -1;
}
return map.blocks[lin];
}
createShader( type, source) {
var shader = gl.createShader(type);
gl.shaderSource(shader, source);
gl.compileShader(shader);
var success = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
if (success) {
return shader;
}
console.log(gl.getShaderInfoLog(shader));
gl.deleteShader(shader);
}
createProgram( vertexShader, fragmentShader) {
var program = gl.createProgram();
gl.attachShader(program, vertexShader);
gl.attachShader(program, fragmentShader);
gl.linkProgram(program);
var success = gl.getProgramParameter(program, gl.LINK_STATUS);
if (success) {
return program;
}
console.log(gl.getProgramInfoLog(program));
gl.deleteProgram(program);
}
u_(loc) {
return gl.getUniformLocation(this.program, "u_" + loc);
}
async initProgram() {
var vertexShader = this.createShader(gl.VERTEX_SHADER, await fetch("shaders/" + this.name + "_vert.glsl").then(r=> r.text()));
var fragmentShader = this.createShader(gl.FRAGMENT_SHADER, await fetch("shaders/" + this.name + "_frag.glsl").then(r=> r.text()));
this.program = this.createProgram(vertexShader, fragmentShader);
this.vao = gl.createVertexArray();
gl.useProgram(this.program);
gl.bindVertexArray(this.vao);
this.bgQuad = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, this.bgQuad);
let positions = [
-1.0, 1.0,
1.0, 1.0,
-1.0, -1.0,
-1.0, -1.0,
1.0, 1.0,
1.0, -1.0,
];
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(positions), gl.STATIC_DRAW);
gl.enableVertexAttribArray(gl.getAttribLocation(this.program, "a_position"));
gl.vertexAttribPointer(gl.getAttribLocation(this.program, "a_position"), 2, gl.FLOAT, true, 0, 0);
this.init = true;
}
prepareDraw() {
if(!this.init) {
throw new Error("Graphics not initialized");
}
gl.useProgram(this.program);
gl.bindVertexArray(this.vao);
if(this.clearEnabled) {
gl.clearColor(0.0, 0.0, 0.0, 1.0);
gl.clear(gl.COLOR_BUFFER_BIT);
}
}
setTextureContent(data) {
}
postDraw() {
}
resize() {
}
}
//real time renderer
class RTR extends Prog {
constructor() {
super("game");
this.precompMapping = [];
}
genMapping() {
this.samplesLength = 64;
let sampleCounter = 0;
loop1:
for(let k = 0; k < map.blocks_dims[0]; k++) {
for(let j = 0; j < map.blocks_dims[1]; j++) {
for(let i = 0; i < map.blocks_dims[2]; i++) {
let material = map.blocks[vec3ToLin([i,j,k], map.blocks_dims)];
if(material != -1) {
if(map.needBaking(material, this.getAdjacentBlock([i-1, j, k]))) {
this.precompMapping[vec3ToLin([i, j, k], map.blocks_dims) + 4096 * 0] = sampleCounter;
sampleCounter++;
}
if(map.needBaking(material, this.getAdjacentBlock([i+1, j, k]))) {
this.precompMapping[vec3ToLin([i, j, k], map.blocks_dims) + 4096 * 1] = sampleCounter;
sampleCounter++;
}
if(map.needBaking(material, this.getAdjacentBlock([i, j-1, k]))) {
this.precompMapping[vec3ToLin([i, j, k], map.blocks_dims) + 4096 * 2] = sampleCounter;
sampleCounter++;
}
if(map.needBaking(material, this.getAdjacentBlock([i, j+1, k]))) {
this.precompMapping[vec3ToLin([i, j, k], map.blocks_dims) + 4096 * 3] = sampleCounter;
sampleCounter++;
}
if(map.needBaking(material, this.getAdjacentBlock([i, j, k-1]))) {
this.precompMapping[vec3ToLin([i, j, k], map.blocks_dims) + 4096 * 4] = sampleCounter;
sampleCounter++;
}
if(map.needBaking(material, this.getAdjacentBlock([i, j, k+1]))) {
this.precompMapping[vec3ToLin([i, j, k], map.blocks_dims) + 4096 * 5] = sampleCounter;
sampleCounter++;
}
if(sampleCounter >= this.samplesLength*this.samplesLength) {
break loop1;
}
}
}
}
}
console.log(sampleCounter);
gl.activeTexture(gl.TEXTURE2);
gl.bindTexture(gl.TEXTURE_2D, this.precompMappingData);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.R32I, 4096, 6, 0, gl.RED_INTEGER, gl.INT, new Int32Array(this.precompMapping));
}
async initProgram() {
await super.initProgram();
gl.uniform2f(this.u_("resolution"), gl.canvas.width, gl.canvas.height);
//generate side to sample mapping
const alignment = 1;
gl.pixelStorei(gl.UNPACK_ALIGNMENT, alignment);
this.precompMapping[4096*6 + 4096-1 + 1] = 0;
this.precompMappingData = gl.createTexture();
this.genMapping();
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
//set textures
//shared:
gl.uniform1i(this.u_("precompTex[0]"), 3);
gl.uniform1i(this.u_("precompTex[1]"), 4);
gl.uniform1i(this.u_("precompTex[2]"), 5);
gl.uniform1i(this.u_("precompTex[3]"), 6);
gl.uniform1i(this.u_("precompTex[4]"), 7);
gl.uniform1i(this.u_("precompTex[5]"), 8);
gl.uniform1i(this.u_("precompTex[6]"), 9);
gl.uniform1i(this.u_("precompTex[7]"), 10);
gl.uniform1i(this.u_("blocksData"), 0);
//local:
gl.uniform1i(this.u_("precompMappingData"), 2);
gl.uniform1i(this.u_("editorMaterial"), -1);
//set scene data
gl.uniform1i(this.u_("precompUsed"), 0);
gl.uniform3iv(this.u_("sceneSize"), map.blocks_dims);
}
rtxON() {
gl.uniform1i(this.u_("precompUsed"), 1);
}
rtxOFF() {
gl.uniform1i(this.u_("precompUsed"), 0);
}
setTextureContent(data) {
let unit = prompt("unit?");
gl.activeTexture(gl.TEXTURE3 + +unit);
gl.bindTexture(gl.TEXTURE_2D, sharedResources.precompTex[+unit]);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA32F, 4096, 4096, 0, gl.RGBA, gl.FLOAT, data);
this.rtxON();
}
resize() {
gl.uniform2f(this.u_("resolution"), gl.canvas.width, gl.canvas.height);
}
prepareDraw(seed, cameraPos, cameraVec) {
super.prepareDraw();
gl.uniform1f(this.u_("seed"), seed);
gl.uniform3f(this.u_("cameraPos"), cameraPos[0], cameraPos[1], cameraPos[2]);
gl.uniform3f(this.u_("cameraVec"), cameraVec[0], cameraVec[1], cameraVec[2]);
}
}
class Precomputer extends Prog {
constructor(lightGroups) {
super("precomputer");
this.clearEnabled = false;
this.samplesLength = 64;
this.samplesPacked = new Array(8000);
this.presentProg = new Prog("present");
this.frames = [];
this.curLightGroup = 0;
this.lightGroups = lightGroups;
}
switchLightGroup() {
this.curLightGroup = (this.curLightGroup + 1) % this.lightGroups;
gl.useProgram(this.program);
gl.uniform1i(this.u_("curLightGroup"), this.curLightGroup);
gl.bindFramebuffer(gl.FRAMEBUFFER, this.fbo);
gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, sharedResources.precompTex[this.curLightGroup], 0);
gl.useProgram(this.presentProg.program);
gl.uniform1i(this.presentProg.u_("texture"), 3 + this.curLightGroup);
}
genMapping() {
let sampleCounter = 0;
loop1:
for(let k = 0; k < map.blocks_dims[0]; k++) {
for(let j = 0; j < map.blocks_dims[1]; j++) {
for(let i = 0; i < map.blocks_dims[2]; i++) {
let material = map.blocks[vec3ToLin([i,j,k], map.blocks_dims)];
if(material != -1) {
if(map.needBaking(material, this.getAdjacentBlock([i-1, j, k]))) {
this.samplesPacked[sampleCounter] = pack5_16([-1, i,j,k, -1]);
sampleCounter++;
}
if(map.needBaking(material, this.getAdjacentBlock([i+1, j, k]))) {
this.samplesPacked[sampleCounter] = pack5_16([-1, i,j,k, 1]);
sampleCounter++;
}
if(map.needBaking(material, this.getAdjacentBlock([i, j-1, k]))) {
this.samplesPacked[sampleCounter] = pack5_16([-1, i,j,k, -2]);
sampleCounter++;
}
if(map.needBaking(material, this.getAdjacentBlock([i, j+1, k]))) {
this.samplesPacked[sampleCounter] = pack5_16([-1, i,j,k, 2]);
sampleCounter++;
}
if(map.needBaking(material, this.getAdjacentBlock([i, j, k-1]))) {
this.samplesPacked[sampleCounter] = pack5_16([-1, i,j,k, -3]);
sampleCounter++;
}
if(map.needBaking(material, this.getAdjacentBlock([i, j, k+1]))) {
this.samplesPacked[sampleCounter] = pack5_16([-1, i,j,k, 3]);
sampleCounter++;
}
if(sampleCounter >= this.samplesLength*this.samplesLength) {
break loop1;
}
}
}
}
}
console.log(sampleCounter);
gl.activeTexture(gl.TEXTURE1);
gl.bindTexture(gl.TEXTURE_2D, this.dataTexture);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.R32I, this.samplesPacked.length, 1, 0, gl.RED_INTEGER, gl.INT, new Int32Array(this.samplesPacked));
gl.useProgram(this.program);
gl.uniform1i(this.u_("sampleCount"), sampleCounter);
}
async initProgram() {
await super.initProgram();
gl.uniform2f(this.u_("resolution"), 4096, 4096);
//pack this.samplesPacked to int texture
this.dataTexture = gl.createTexture();
this.genMapping();
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
//create framebuffer
this.fbo = gl.createFramebuffer();
gl.bindFramebuffer(gl.FRAMEBUFFER, this.fbo);
gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, sharedResources.precompTex[this.curLightGroup], 0);
gl.bindFramebuffer(gl.FRAMEBUFFER, null);
gl.enable(gl.BLEND);
gl.blendFunc(gl.ONE, gl.ONE);
//set scene data
gl.uniform3iv(this.u_("sceneSize"), map.blocks_dims);
gl.uniform1i(this.u_("curLightGroup"), this.curLightGroup);
//textures
//shared resources:
gl.uniform1i(this.u_("blocksData"), 0);
//local resources:
gl.uniform1i(this.u_("packedDataTex"), 1);
for(let i = 0; i < this.lightGroups; i++) {
this.frames[i] = 0;
}
// INIT PRESENT SUBPROGRAM
await this.presentProg.initProgram();
gl.uniform2f(this.presentProg.u_("resolution"), 1920, 1080);
gl.uniform1i(this.presentProg.u_("texture"), 3);
gl.uniform1f(this.presentProg.u_("texSize"), 4096);
}
setTextureContent(float32Data) {
let unit = prompt("unit?");
gl.activeTexture(gl.TEXTURE3 + +unit);
gl.bindTexture(gl.TEXTURE_2D, sharedResources.precompTex[+unit]);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA32F, 4096, 4096, 0, gl.RGBA, gl.FLOAT, float32Data);
}
getTextureContent() {
//get data from framebuffer;
let data = new Float32Array(4096*4096*4);
gl.bindFramebuffer(gl.FRAMEBUFFER, this.fbo);
gl.readPixels(0, 0, 4096, 4096, gl.RGBA, gl.FLOAT, data);
gl.bindFramebuffer(gl.FRAMEBUFFER, null);
return data;
// var data = new Uint8Array(4096 * 4096 * 4);
// gl.readPixels(0, 0, 4096, 4096, gl.RGBA, gl.UNSIGNED_BYTE, data);
// return data;
}
prepareDraw(seed, cameraPos, cameraVec) {
gl.bindFramebuffer(gl.FRAMEBUFFER, this.fbo);
gl.viewport(0, 0, 4096, 4096);
super.prepareDraw();
gl.uniform1f(this.u_("seed"), seed);
gl.uniform3f(this.u_("cameraPos"), cameraPos[0], cameraPos[1], cameraPos[2]);
gl.uniform3f(this.u_("cameraVec"), cameraVec[0], cameraVec[1], cameraVec[2]);
}
postDraw() {
this.frames[this.curLightGroup]++;
gl.bindFramebuffer(gl.FRAMEBUFFER, null);
gl.viewport(0, 0, gl.canvas.width, gl.canvas.height);
this.presentProg.prepareDraw();
gl.drawArrays(gl.TRIANGLES, 0, 6);
}
resize() {
// gl.uniform2f(this.u_("resolution"), gl.canvas.width, gl.canvas.height);
}
}
class App {
constructor() {
this.programs = [];
this.currentProgram = 0;
this.cameraPos = [5.5, 4.0, 2.5];
this.cameraVec = [1, 0, 0];
//angle of camera
this.camera = [0, 0];
this.move = [0, 0, 0];
this.gameTime = 0;
this.gameON = true;
this.editMode = false;
this.editorLength = 2;
this.editorMaterial = 0;
this.cubesLit = 0;
this.hp = 5;
this.moveSpeed = 3;
this.rotateSenstivity = 0.001;
this.onGround = false;
this.yvel = 0;
this.infJumps = false;
this.lightGroups = 8;
this.bonuses = [];
this.initGraphics();
}
async initGraphics() {
this.updateStatusText();
//BIND HANDLERS
let canvas = document.querySelector("#c");
this.keydownHandler = this.keydown.bind(this);
this.keyupHandler = this.keyup.bind(this);
this.pointerlockchangeHandler = this.pointerlockchange.bind(this);
this.clickHandler = this.click.bind(this);
this.filedropHandler = this.filedrop.bind(this);
this.dragoverHandler = this.dragover.bind(this);
this.scrollHandler = this.scroll.bind(this);
canvas.addEventListener("drop", this.filedropHandler);
canvas.addEventListener("dragover", this.dragoverHandler);
window.addEventListener('keydown',this.keydownHandler,false);
window.addEventListener('keyup',this.keyupHandler,false);
document.addEventListener('pointerlockchange', this.pointerlockchangeHandler, false);
document.addEventListener('pointerlockerror', lockError, false);
canvas.addEventListener('click', this.clickHandler, false);
canvas.addEventListener('wheel', this.scrollHandler, false);
//ENABLE WEBGL
gl = canvas.getContext("webgl2");
// get required extensions for luminance textures
if (!gl.getExtension('EXT_color_buffer_float')) {
return alert('need EXT_color_buffer_float');
}
if (!gl.getExtension('OES_texture_float_linear')) {
return alert('need OES_texture_float_linear');
}
if (!gl.getExtension('EXT_float_blend')) {
return alert('need EXT_float_blend');
}
if (!gl) {
return alert('No webGL :(');
}
//INIT shared resources
// unit2: precomputed texture
sharedResources.precompTex = [];
for(let i = 0; i < this.lightGroups; i++) {
sharedResources.precompTex[i] = gl.createTexture();
gl.activeTexture(gl.TEXTURE3 + i);
gl.bindTexture(gl.TEXTURE_2D, sharedResources.precompTex[i]);
gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA32F, 4096, 4096, 0, gl.RGBA, gl.FLOAT, null);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
}
// unit4: blocks data texture
sharedResources.blocksDataTex = gl.createTexture();
gl.activeTexture(gl.TEXTURE0);
gl.bindTexture(gl.TEXTURE_3D, sharedResources.blocksDataTex);
gl.texImage3D(gl.TEXTURE_3D, 0, gl.R32I, map.blocks_dims[0], map.blocks_dims[1], map.blocks_dims[2], 0, gl.RED_INTEGER, gl.INT, new Int32Array(map.blocks));
gl.texParameteri(gl.TEXTURE_3D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
gl.texParameteri(gl.TEXTURE_3D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
//INIT PROGRAMS
let editor_prog = new RTR();
let baking_prog = new Precomputer(this.lightGroups);
await editor_prog.initProgram();
await baking_prog.initProgram();
map.setUniforms(baking_prog, true);
this.programs.push(editor_prog);
this.programs.push(baking_prog);
gl.viewport(0, 0, canvas.width, canvas.height);
this.resizeObserver = new ResizeObserver(this.resizeCanvasToDisplaySize.bind(this));
this.resizeObserver.observe(canvas);
this.resizeCanvasToDisplaySize([{target: gl.canvas}]);
//start rendering cycle
window.requestAnimationFrame(this.draw.bind(this));
soundManager.playsound("bg");
}
updateStatusText() {
(async()=> {
if(this.currentProgram == 0) {
document.body.style.color = "rgb(178, 219, 247)";
document.querySelector(".details").innerHTML = "HP: " + this.hp + "<br>"
+ "Cubes lit: " + this.cubesLit + "/" + (map.cubes.length - 1) + "<br>"
+ "Active bonuses: <br>" + this.bonuses.join("<br>");
document.querySelector(".mode").innerHTML = (this.editMode ? "[EDIT MODE]" : "Normal mode") + (this.gameON? "" : " (PAUSED)");
}
else {
document.body.style.color = "black";
document.querySelector(".details").innerHTML = "Current lightgroup: " + (this.programs[1].curLightGroup + 1) + "/" + this.lightGroups + "<br>" +
"Samples: " + this.programs[1].frames[this.programs[1].curLightGroup] * 4;
document.querySelector(".mode").innerHTML = "Baking...";
}
}).bind(this)();
}
scroll(e) {
if(this.editMode) {
this.editorLength += -e.deltaY * 0.004;
this.editorLength = Math.max(0.1, this.editorLength);
}
}
dragover(e) {
e.preventDefault();
}
filedrop(e) {
e.preventDefault();
e.stopPropagation();
let file = e.dataTransfer.files[0];
let reader = new FileReader();
if(file.size < 100000) {
reader.onload = (e) => {
let data = e.target.result;
let loadedMap = JSON.parse(data);
//stop bg sound
for(let i = 0; i < soundManager.sounds['bg'].length; i++) {
soundManager.sounds['bg'][i].pause();
}
map.importMap(loadedMap);
soundManager.sounds =
{'shoot1': [new Audio('sounds/' + map.shootPlayerSound)],
'shoot2': [new Audio('sounds/' + map.shootEnemySound)],
'bg': [new Audio('sounds/' + map.bgSound)],
'item': [new Audio('sounds/' + map.itemSound)],}
soundManager.soundIndex = 0;
soundManager.sounds['bg'][0].volume = 0.1;
soundManager.sounds['bg'][0].loop = true;
soundManager.playsound("bg");
map.setUniforms(this.programs[0], false);
map.setUniforms(this.programs[1], true);
map.blocksDirty = true;
}
reader.readAsBinaryString(file);
}
else {
reader.onload = (e) => {
let data = e.target.result;
let float32Data = new Float32Array(data);
this.programs[this.currentProgram].setTextureContent(float32Data);
}
reader.readAsArrayBuffer(file);
}
}
keyup(e){
if(e.repeat) return;
if(e.key == "d"){
this.move[0]--;
if(this.move[0] < -1) this.move[0] = -1;
}
if(e.key == "a"){
this.move[0]++;
if(this.move[0] > 1) this.move[0] = 1;
}
if(e.key == "w"){
this.move[2]++;
if(this.move[2] > 1) this.move[2] = 1;
}
if(e.key == "s"){
this.move[2]--;
if(this.move[2] < -1) this.move[2] = -1;
}
if(this.editMode) {
if(e.key == " "){
this.move[1] = 0;
}
if(e.key == "Shift"){
this.move[1] = 0;
}
}
}
keydown(e){
if(e.repeat) return;
if(e.key == "d"){
this.move[0]++;
if(this.move[0] > 1) this.move[0] = 1;
}
if(e.key == "a"){
this.move[0]--;
if(this.move[0] < -1) this.move[0] = -1;
}
if(e.key == "w"){
this.move[2]--;
if(this.move[2] < -1) this.move[2] = -1;
}
if(e.key == "s"){
this.move[2]++;
if(this.move[2] > 1) this.move[2] = 1;
}
if(this.editMode) {
if(e.key == " "){
this.move[1] = 1;
}
if(e.key == "Shift"){
this.move[1] = -1;
}
}
else {
if(e.key == ' ') {
if(this.infJumps || this.onGround) {
this.yvel = 7;
this.onGround = false;
}
}
}
if(e.key == "p") {
if(this.currentProgram == 1) {
let program = this.programs[1];
program.wannaSwitch = false;
let textureContent = program.getTextureContent();
//save binary data
saveByteArray([textureContent], 'baked.skb');
}
}
if(e.key == "l") {