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Merge pull request #1331 from orchidthedev/main 

PRNGworldgen,js version 1.2.0
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slweeb 2026-01-09 21:00:47 -05:00 committed by GitHub
parent ab7ffde0b2 3fdbc72e84
commit 8765b50e60
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1 changed files with 157 additions and 5 deletions
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162
mods/PRNGworldgenlib.js
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@ -1,4 +1,4 @@
/*Version 1.1.0 Pseudorandom world generator*/
/*Version 1.2.0 Pseudorandom world generator*/
function pseudorandom(key, num, max = 1){
return (Math.log(key)*(num*Math.log(1625.4986772154357))) % max;
};
@ -14,11 +14,92 @@ let oreChances = {
uranium: 0.805,
aluminum: 1
}
function makeCurve(pos, w, dir, div = 200){
let prevX = pos[0], prevY = pos[1];
let res = [];
for(i = w; i >= 0; i--){
let x2 = (dir == 1) ? pos[0]-i : pos[0]+i;
let y2 = height-((1/div)*(i**2));
res = res.concat(lineCoords(prevX, prevY, Math.round(x2), Math.round(y2), 1));
prevX = Math.round(x2), prevY = Math.round(y2);
}
return res;
}
elements.sandstone = {
category: "solids",
color: ["#a89f67", "#b89c6b", "#bbad68"],
behavior: behaviors.SOLID,
breakInto: "sand",
tempHigh: 1700,
stateHigh: "molten_glass",
};
elements.packed_sand.tempHigh = 300;
elements.packed_sand.stateHigh = "sandstone";
function drawLine(elem,x1,y1,x2,y2, replace = null){
let coords = lineCoords(Math.round(x1),Math.round(y1),Math.round(x2),Math.round(y2));
for(let pos of coords){
let res = tryCreate(elem, pos[0], pos[1]);
if(replace != null && res == null){
let pixel = getPixel(pos[0], pos[1]);
if(pixel != null && replace.includes(pixel.element)){
changePixel(pixel, elem);
}
}
}
}
let structureFuncs = {
ocean: (seed)=>{
let side = (pseudorandom(15, (seed/2**32)*62, 1) > 0.5) ? 0 : width;
let positions = makeCurve([side, 45], 90, (side == 0) ? -1 : 1, 200-(pseudorandom(82, (seed/2**32)*972, 70) - 35));
let obj = {};
for(let pos of positions){
if(obj[pos[0]] != undefined){
obj[pos[0]] = (obj[pos[0]] > pos[1]) ? obj[pos[0]] : pos[1];
} else {
obj[pos[0]] = pos[1];
}
}
for(let key in obj){
for(let i = obj[key]; i > 0; i--){
let p = getPixel(key, i);
if(p != null){
changePixel(p, "water");
}
//tryDelete(key, i);
}
}
},
pyramid: (seed)=>{
if(pseudorandom(232, 4564*(seed/2**32), 1) < 0.25){
let x = pseudorandom(531, 9834*(seed/2**32), width);
let h = pseudorandom(659, 2342*(seed/2**32), 10) + 20;
let hwidth = h*Math.atan(0.78539816);
let num = 0;
for(let i = x - hwidth; i < x + hwidth; i++){
let y = (height-35)-(h);
drawLine("sandstone", i, height-35, x, y, ["sand", "cactus"]);
num++;
if(i == x){
num = 0;
};
}
}
},
};
class biome {
constructor(layersArr, yLevels, properties, afterFunc = false){
constructor(layersArr, yLevels, properties, afterFunc = false, genStructures = false, sp = false){
this.layers = layersArr;
this.yLevels = yLevels;
this.vMulti = 1;
this.structures = (genStructures != false) ? [].concat(genStructures) : undefined;
this.afterFunc = (afterFunc != false) ? afterFunc : undefined;
this.sPriority = sp;
for(let item in properties){
this[item] = properties[item];
}
@ -26,6 +107,13 @@ class biome {
autoResizeCanvas();
if(!paused){togglePause();}
let fraction = seed/(2**32);
if(this.sPriority){
if(this.structures != undefined){
for(let gen of this.structures){
gen(seed);
}
}
}
for(let level of this.yLevels){
for(let x = 0; x <= width+2; x++){
//console.log(x);
@ -68,6 +156,11 @@ class biome {
}
}
}
if(this.structures != undefined){
for(let gen of this.structures){
gen(seed);
}
}
this.generateOreVeins(seed, this.vMulti);
};
}
@ -114,13 +207,37 @@ class biome {
if(this.afterFunc != null){
this.afterFunc(seed);
}
}
}
let biomes = {
plains: new biome([["rock", "rock", "rock", "gravel"], ["dirt", "dirt", "dirt", "dirt", "mud", "gravel"], ["grass","flower_seed","grass","grass","grass","grass","sapling","grass","grass","grass","grass","grass","grass","grass","grass"]], [25, 38, 40]),
desert: new biome([["rock", "rock", "rock", "gravel"], ["rock", "packed_sand","rock", "packed_sand", "sand"], ["sand"], [null, null, null, null, null, null, null, null, null, "cactus"]], [17, 26, 40, 42], {vMulti: 1.2}),
desert: new biome([["rock", "rock", "rock", "gravel"], ["rock", "packed_sand","rock", "packed_sand", "sand"], ["sand"], [null, null, null, null, null, null, null, null, null, "cactus"]], [17, 26, 40, 42], {vMulti: 1.2}, false, structureFuncs.pyramid, true),
savanna: new biome([["rock", "rock", "rock", "gravel"], ["dirt", "dirt", "clay_soil", "dirt", "dirt"], ["grass",null,null, null, null, null, "sapling",null,null,null,null]], [25, 38, 40], {lc: ["#6fde26", "#8eed34", "#8cdb42", "#7bd12a", "#96e81c", "#a9e64e", "#a0d94c", "#a9d63e"], wc: ["#bdab7e", "#b09c6a", "#ab996d", "#998a63", "#917959", "#877051"], vMulti: 1.5}),
tundra: new biome([["rock", "rock", "rock", "gravel"], ["dirt", "dirt", "rock", "permafrost"], ["permafrost", "permafrost", "permafrost", "permafrost", "permafrost", "permafrost", "ice", "snow"], [null,null,null,null,null,"pinecone",null,null,null,null,null,null]], [25, 30, 38, 40], {temp: -15, vMulti: 2}),
beach: new biome([["rock", "rock", "rock", "gravel"], ["rock", "gravel", "sand", "sand"], ["sand"]], [7, 13, 35], {vMulti: 0.8}, (seed)=>{
dependOn("plants.js", ()=>{
for(let i = 0; i < width; i++){
console.log(pseudorandom((i*34), (seed/2**32)*234, 1));
if(pseudorandom((i*34), (seed/2**32)*234, 1) < 0.035){
let c = true;
let np = getPixel(i, 20);
let ny = 21;
while(np == null){
np = getPixel(i, ny);
if(np != null && np.element == "water"){
c = false;
};
ny++;
}
if(c){
tryCreate("banana_seed", i, 20);
}
}
}
}, false);
}, structureFuncs.ocean),
}
let seed = Math.random()*(2**32);
enabledMods.forEach((item)=>{
@ -136,14 +253,14 @@ enabledMods.forEach((item)=>{
}});
}
});
elements.PRNGgenerate = {
elements.SeedGenerate = {
category: "tools",
onSelect: function(){
let arr = [];
let txt = shiftDown;
Object.keys(biomes).forEach(function(b){arr.push(b);});
txt = (arr.length >= 7) ? true : txt;
promptInput("Leave blank to generate new seed. Your current seed is: " + seed, function(i){
promptInput("Leave blank to generate new seed or C to keep current seed. Your current seed is: " + seed, function(i){
seed = (i != null && i.toLowerCase() == "c") ? seed : parseFloat(i) || Math.random()*(2**32);
seed = seed % (2**32);
if(!txt){
@ -171,6 +288,41 @@ elements.PRNGgenerate = {
}, "Enter seed:");
}
}
elements.RandomGen = {
category: "tools",
onSelect: function(){
let arr = [];
let txt = shiftDown;
Object.keys(biomes).forEach(function(b){arr.push(b);});
txt = (arr.length >= 7) ? true : txt;
seed = Math.random()*(2**32);
//seed %= 2**32;
if(txt){
let str = "";
for(let key in biomes){
str += `${key}, `;
}
str = str.replace(/^,|,$/g, '');
promptInput("Enter the name of a biome to generate (caps-insensetive)\nBiomes available: \n" + str, function(inp){
let choice = inp.toLowerCase();
if(!arr.includes(choice)){
promptText("Invalid selection.");
selectElement("dirt");
} else {
biomes[choice].generate(seed);
selectElement("dirt");
}
}, "Enter Biome Name: ");
} else {
promptChoose("", arr, (choice)=>{
biomes[choice].generate(seed);
selectElement("dirt");
}, "Biome Selection");
}
},
}
elements.view_seed = {
category: "tools",
onSelect: function(){