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made engine into a small bootstrap script

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This commit is contained in:
John Alanbrook 2024-07-25 17:53:53 -05:00
parent 6047452b62
commit 1142bfb896
7 changed files with 714 additions and 646 deletions
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5
scripts/base.js
View file

@ -824,10 +824,6 @@ Object.defineProperty(String.prototype, 'sub', {
}
});
Object.defineProperty(String.prototype, 'rm', {
value: function(index, endidx = index+1) { return this.slice(0,index) + this.slice(endidx); }
});
Object.defineProperty(String.prototype, 'updir', {
value: function() {
if (this.lastIndexOf('/') === this.length-1)
@ -1647,7 +1643,6 @@ Math.sign = function(n) { return n >= 0 ? 1 : -1; }
return {
convert,
time,
json,
Vector,
bbox,
yaml

2
scripts/debug.js
View file

@ -50,7 +50,7 @@ debug.draw = function() {
"EDIT", [0, 0], 1);
}
function assert(op, str = `assertion failed [value '${op}']`)
var assert = function(op, str = `assertion failed [value '${op}']`)
{
if (!op)
console.panic(str);

663
scripts/engine.js
View file

@ -1,5 +1,9 @@
"use math";
Object.defineProperty(String.prototype, 'rm', {
value: function(index, endidx = index+1) { return this.slice(0,index) + this.slice(endidx); }
});
Object.defineProperty(String.prototype, "tolast", {
value: function (val) {
var idx = this.lastIndexOf(val);
@ -25,12 +29,23 @@ Object.defineProperty(String.prototype, "folder", {
globalThis.Resources = {};
Resources.rm_fn = function(fnstr, text)
Resources.rm_fn = function(fn, text)
{
while (text.match(fnstr)) {
var reg = new RegExp(fn.source + "\\s*\\(");
var match;
while (match = text.match(reg)) {
var last = match.index+match[0].length;
var par = 1;
while (par !== 0) {
if (text[last] === '(') par++;
if (text[last] === ')') par--;
last++;
}
text = text.rm(match.index, last);
}
return text;
}
Resources.rm_fn.doc = "Remove calls to a given function from a given text script.";
Resources.replpath = function (str, path) {
@ -58,6 +73,9 @@ Resources.replstrs = function (path) {
var stem = path.dir();
// remove console statements
script = Resources.rm_fn(/console\.(spam|info|warn|error)/, script);
script = Resources.rm_fn(/profile\.(cache|frame|endcache|endframe)/, script);
script = Resources.rm_fn(/assert/, script);
//script = script.replace(/console\.(.*?)\(.*?\)/g, '');
//script = script.replace(/assert\(.*?\)/g, '');
@ -122,8 +140,6 @@ Resources.find_script = function (file) {
return find_ext(file, Resources.scripts);
};
var t_units = ["ns", "us", "ms", "s", "m", "h"];
console.transcript = "";
console.say = function (msg) {
msg += "\n";
@ -200,638 +216,55 @@ console.doc = {
globalThis.global = globalThis;
var use_prof = "USE";
var use_cache = {};
profile.addreport = function(){};
function use(file, env = {}, script) {
globalThis.use = function(file, env = {}, script) {
file = Resources.find_script(file);
var st = profile.now();
profile.cache("USE", file);
if (use.cache[file]) {
var ret = use.cache[file].call(env);
profile.addreport(use_prof, file, st);
if (use_cache[file]) {
var ret = use_cache[file].call(env);
return;
}
script ??= Resources.replstrs(file);
script = `(function() { var self = this; ${script}; })`;
var fn = os.eval(file, script);
use.cache[file] = fn;
use_cache[file] = fn;
var ret = fn.call(env);
profile.addreport(use_prof, file, st);
profile.endcache();
return ret;
}
use.cache = {};
function stripped_use (file, env = {}, script) {
file = Resources.find_script(file);
global.check_registers = function (obj) {
for (var reg in Register.registries) {
if (typeof obj[reg] === 'function') {
var fn = obj[reg].bind(obj);
var name = obj.ur ? obj.ur.name : obj.toString();
obj.timers.push(Register.registries[reg].register(fn, name));
}
if (use_cache[file]) {
var ret = use_cache[file].call(env);
return;
}
script ??= Resources.replstrs(file);
for (var k in obj) {
if (!k.startsWith("on_")) continue;
var signal = k.fromfirst("on_");
Event.observe(signal, obj, obj[k]);
}
};
Object.assign(global, use("scripts/base"));
global.obscure("global");
global.mixin("scripts/profile");
global.mixin("scripts/render");
global.mixin("scripts/debug");
var frame_t = profile.secs(profile.now());
var sim = {};
sim.mode = "play";
sim.play = function () {
this.mode = "play";
os.reindex_static();
};
sim.playing = function () {
return this.mode === "play";
};
sim.pause = function () {
this.mode = "pause";
};
sim.paused = function () {
return this.mode === "pause";
};
sim.step = function () {
this.mode = "step";
};
sim.stepping = function () {
return this.mode === "step";
};
var physlag = 0;
var gggstart = game.engine_start;
game.engine_start = function (s) {
game.startengine = 1;
gggstart(
function () {
global.mixin("scripts/sound.js");
world_start();
window.set_icon(os.make_texture("icons/moon.gif"));
Object.readonly(window.__proto__, "vsync");
Object.readonly(window.__proto__, "enable_dragndrop");
Object.readonly(window.__proto__, "enable_clipboard");
Object.readonly(window.__proto__, "high_dpi");
Object.readonly(window.__proto__, "sample_count");
s();
shape.quad = {
pos: os.make_buffer([0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0], 0),
verts: 4,
uv: os.make_buffer([0, 1, 1, 1, 0, 0, 1, 0], 2),
index: os.make_buffer([0, 1, 2, 2, 1, 3], 1),
count: 6,
};
shape.triangle = {
pos: os.make_buffer([0, 0, 0, 0.5, 1, 0, 1, 0, 0], 0),
uv: os.make_buffer([0, 0, 0.5, 1, 1, 0], 2),
verts: 3,
count: 3,
index: os.make_buffer([0, 2, 1], 1),
};
shape.centered_quad = {
pos: os.make_buffer([-0.5, -0.5, -0.5, 0.5, -0.5, -0.5, -0.5, 0.5, -0.5, 0.5, 0.5, -0.5], 0),
verts: 4,
uv: os.make_buffer([0,1,1,1,0,0,1,0],2),
index: os.make_buffer([0,1,2,2,1,3],1),
count: 6
};
render.init();
camera = make_camera();
camera.transform.pos = [0,0,-100];
camera.mode = "keep";
camera.break = "fit";
camera.size = game.size;
gamestate.camera = camera;
hudcam = make_camera();
hudcam.near = 0;
hudcam.size = camera.size;
hudcam.mode = "keep";
hudcam.break = "fit";
appcam = make_camera();
appcam.near = 0;
appcam.size = window.size;
appcam.transform.pos = [window.size.x,window.size.y,-100];
screencolor = render.screencolor();
},
process,
window.size.x,
window.size.y,
);
};
game.startengine = 0;
var frames = [];
prosperon.release_mode = function()
{
prosperon.debug = false;
mum.debug = false;
debug.kill();
}
prosperon.debug = true;
// Returns an array in the form of [left, bottom, right, top] in pixels of the camera to render to
// Camera viewport is [left,bottom,right,top] in relative values
function camviewport()
{
var aspect = (this.viewport[2]-this.viewport[0])/(this.viewport[3]-this.viewport[1])*window.size.x/window.size.y;
var raspect = this.size.x/this.size.y;
var left = this.viewport[0]*window.size.x;
var bottom = this.viewport[1]*window.size.y;
var usemode = this.mode;
if (this.break && this.size.x > window.size.x && this.size.y > window.size.y)
usemode = this.break;
if (usemode === "fit")
if (raspect < aspect) usemode = "height";
else usemode = "width";
switch(usemode) {
case "stretch":
case "expand":
return [0, 0, window.size.x, window.size.y];
case "keep":
return [left, bottom, left+this.size.x, bottom+this.size.y];
case "height":
var ret = [left, 0, this.size.x*(window.size.y/this.size.y), window.size.y];
ret[0] = (window.size.x-(ret[2]-ret[0]))/2;
return ret;
case "width":
var ret = [0, bottom, window.size.x, this.size.y*(window.size.x/this.size.x)];
ret[1] = (window.size.y-(ret[3]-ret[1]))/2;
script = `(function() { var self = this; ${script}; })`;
var fn = os.eval(file, script);
var ret = fn.call(env);
profile.endcache();
return ret;
}
return [0, 0, window.size.x, window.size.y];
}
// pos is pixels on the screen, lower left[0,0]
function camscreen2world(pos)
function bare_use(file)
{
var view = this.screen2cam(pos);
view.x *= this.size.x;
view.y *= this.size.y;
view = view.sub([this.size.x/2, this.size.y/2]);
view = view.add(this.pos.xy);
return view;
var script = io.slurp(file);
script = `(function() { var self = this; ${script}; })`;
Object.assign(globalThis, os.eval(file, script).call(globalThis));
}
camscreen2world.doc = "Convert a view position for a camera to world."
profile.enabled = false;
function screen2cam(pos)
{
var viewport = this.view();
var width = viewport[2]-viewport[0];
var height = viewport[3]-viewport[1];
var left = pos.x-viewport[0];
var bottom = pos.y-viewport[1];
var p = [left/width, bottom/height];
return p;
}
bare_use("scripts/base.js");
bare_use("scripts/profile.js");
screen2cam.doc = "Convert a screen space position in pixels to a normalized viewport position in a camera."
if (!profile.enabled)
use = stripped_use;
function make_camera()
{
var cam = world.spawn();
cam.near = 0.1;
cam.far = 1000;
cam.ortho = true;
cam.viewport = [0,0,1,1];
cam.size = window.size.slice(); // The render size of this camera in pixels
// In ortho mode, this determines how many pixels it will see
cam.mode = "stretch";
cam.screen2world = camscreen2world;
cam.screen2cam = screen2cam;
cam.mousepos = function() { return this.screen2world(input.mouse.screenpos()); }
cam.view = camviewport;
cam.offscreen = false;
return cam;
}
var camera;
var hudcam;
var appcam;
var screencolor;
prosperon.render = function()
{
profile.frame("world");
render.set_camera(camera);
profile.frame("sprites");
render.sprites();
profile.endframe();
profile.frame("draws");
prosperon.draw();
profile.endframe();
hudcam.size = camera.size;
hudcam.transform.pos = [hudcam.size.x/2, hudcam.size.y/2, -100];
render.set_camera(hudcam);
profile.endframe();
profile.frame("hud");
prosperon.hud();
render.flush_text();
render.end_pass();
profile.endframe();
profile.frame("post process");
/* draw the image of the game world first */
render.glue_pass();
render.viewport(...camera.view());
render.use_shader(render.postshader);
render.use_mat({diffuse:screencolor});
render.draw(shape.quad);
profile.endframe();
profile.frame("app");
// Flush & render
appcam.transform.pos = [window.size.x/2, window.size.y/2, -100];
appcam.size = window.size.slice();
if (os.sys() !== 'macos')
appcam.size.y *= -1;
render.set_camera(appcam);
render.viewport(...appcam.view());
// Call gui functions
mum.style = mum.dbg_style;
prosperon.gui();
if (mum.drawinput) mum.drawinput();
prosperon.gui_dbg();
render.flush_text();
mum.style = mum.base;
profile.endframe();
profile.frame("imgui");
render.imgui_new(window.size.x, window.size.y, 0.01);
prosperon.imgui();
render.imgui_end();
profile.endframe();
render.end_pass();
render.commit();
}
function process() {
profile.frame("frame");
var dt = profile.secs(profile.now()) - frame_t;
frame_t = profile.secs(profile.now());
profile.frame("app update");
prosperon.appupdate(dt);
profile.endframe();
profile.frame("input");
input.procdown();
profile.endframe();
if (sim.mode === "play" || sim.mode === "step") {
profile.frame("update");
prosperon.update(dt * game.timescale);
profile.endframe();
if (sim.mode === "step") sim.pause();
profile.frame("physics");
physlag += dt;
while (physlag > physics.delta) {
physlag -= physics.delta;
prosperon.phys2d_step(physics.delta * game.timescale);
prosperon.physupdate(physics.delta * game.timescale);
}
profile.endframe();
}
profile.frame("render");
prosperon.window_render(window.size);
prosperon.render();
profile.endframe();
profile.endframe();
}
globalThis.fps = function () {
return 0;
// var sum = 0;
// for (var i = 0; i < frames.length; i++) sum += frames[i];
// return frames.length / sum;
};
game.timescale = 1;
var eachobj = function (obj, fn) {
var val = fn(obj);
if (val) return val;
for (var o in obj.objects) {
if (obj.objects[o] === obj)
console.error(`Object ${obj.toString()} is referenced by itself.`);
val = eachobj(obj.objects[o], fn);
if (val) return val;
}
};
game.all_objects = function (fn, startobj = world) {
return eachobj(startobj, fn);
};
game.find_object = function (fn, startobj = world) {};
game.tags = {};
game.tag_add = function (tag, obj) {
game.tags[tag] ??= {};
game.tags[tag][obj.guid] = obj;
};
game.tag_rm = function (tag, obj) {
delete game.tags[tag][obj.guid];
};
game.tag_clear_guid = function (guid) {
for (var tag in game.tags) delete game.tags[tag][guid];
};
game.objects_with_tag = function (tag) {
if (!game.tags[tag]) return [];
return Object.values(game.tags[tag]);
};
game.doc = {};
game.doc.object = "Returns the entity belonging to a given id.";
game.doc.pause = "Pause game simulation.";
game.doc.play = "Resume or start game simulation.";
game.doc.camera = "Current camera.";
game.texture = function (path, force = false) {
if (force && game.texture.cache[path]) return game.texture.cache[path];
if (!io.exists(path)) {
console.warn(`Missing texture: ${path}`);
game.texture.cache[path] = game.texture("icons/no_tex.gif");
} else game.texture.cache[path] ??= os.make_texture(path);
return game.texture.cache[path];
};
game.texture.cache = {};
prosperon.semver = {};
prosperon.semver.valid = function (v, range) {
v = v.split(".");
range = range.split(".");
if (v.length !== 3) return undefined;
if (range.length !== 3) return undefined;
if (range[0][0] === "^") {
range[0] = range[0].slice(1);
if (parseInt(v[0]) >= parseInt(range[0])) return true;
return false;
}
if (range[0] === "~") {
range[0] = range[0].slice(1);
for (var i = 0; i < 2; i++)
if (parseInt(v[i]) < parseInt(range[i])) return false;
return true;
}
return prosperon.semver.cmp(v.join("."), range.join(".")) === 0;
};
prosperon.semver.cmp = function (v1, v2) {
var ver1 = v1.split(".");
var ver2 = v2.split(".");
for (var i = 0; i < 3; i++) {
var n1 = parseInt(ver1[i]);
var n2 = parseInt(ver2[i]);
if (n1 > n2) return 1;
else if (n1 < n2) return -1;
}
return 0;
};
prosperon.semver.doc =
"Functions for semantic versioning numbers. Semantic versioning is given as a triple digit number, as MAJOR.MINOR.PATCH.";
prosperon.semver.cmp.doc =
"Compare two semantic version numbers, given like X.X.X.";
prosperon.semver.valid.doc = `Test if semantic version v is valid, given a range.
Range is given by a semantic versioning number, prefixed with nothing, a ~, or a ^.
~ means that MAJOR and MINOR must match exactly, but any PATCH greater or equal is valid.
^ means that MAJOR must match exactly, but any MINOR and PATCH greater or equal is valid.`;
prosperon.iconified = function (icon) {};
prosperon.focus = function (focus) {};
prosperon.resize = function (dimensions) {
window.size.x = dimensions.x;
window.size.y = dimensions.y;
};
prosperon.suspended = function (sus) {};
prosperon.mouseenter = function () {};
prosperon.mouseleave = function () {};
prosperon.touchpress = function (touches) {};
prosperon.touchrelease = function (touches) {};
prosperon.touchmove = function (touches) {};
prosperon.clipboardpaste = function (str) {};
prosperon.quit = function () {
if (profile.disabled) return;
say("===START CACHE REPORTS===\n");
for (var i in profile.report_cache) {
say(profile.printreport(profile.report_cache[i],i));
}
say("===FRAME AVERAGES===\n");
say(profile.print_frame_avg());
say("\n");
profile.print_cpu_instr();
};
window.size = [640, 480];
window.mode = "keep";
window.toggle_fullscreen = function() { window.fullscreen = !window.fullscreen; }
window.set_icon.doc = "Set the icon of the window using the PNG image at path.";
window.doc = {};
window.doc.dimensions = "Window width and height packaged in an array [width,height]";
window.doc.title = "Name in the title bar of the window.";
window.doc.boundingbox = "Boundingbox of the window, with top and right being its height and width.";
global.mixin("scripts/input");
global.mixin("scripts/std");
global.mixin("scripts/diff");
global.mixin("scripts/color");
global.mixin("scripts/gui");
global.mixin("scripts/tween");
global.mixin("scripts/ai");
global.mixin("scripts/particle");
var timer = {
update(dt) {
this.remain -= dt;
if (this.remain <= 0) {
this.fn();
this.kill();
}
},
kill() {
this.end();
delete this.fn;
},
delay(fn, secs) {
var t = Object.create(this);
t.time = secs;
t.remain = secs;
t.fn = fn;
t.end = Register.update.register(timer.update.bind(t));
var returnfn = timer.kill.bind(t);
returnfn.remain = secs;
return returnfn;
},
};
global.mixin("scripts/physics");
global.mixin("scripts/geometry");
/*
Factory for creating registries. Register one with 'X.register',
which returns a function that, when invoked, cancels the registry.
*/
var Register = {
registries: [],
add_cb(name, e_event = false) {
var n = {};
var fns = [];
n.register = function (fn, oname) {
if (!(fn instanceof Function)) return;
var dofn = function(...args) {
var st = profile.now();
fn(...args);
profile.addreport(name, oname, st);
}
fns.push(dofn);
return function () {
fns.remove(dofn);
};
};
prosperon[name] = function (...args) {
fns.forEach(x => x(...args));
};
prosperon[name].fns = fns;
n.clear = function () {
fns = [];
};
Register[name] = n;
Register.registries[name] = n;
return n;
},
};
Register.add_cb("appupdate", true);
Register.add_cb("update", true).doc = "Called once per frame.";
Register.add_cb("physupdate", true);
Register.add_cb("gui", true);
Register.add_cb("hud", true);
Register.add_cb("draw_dbg", true);
Register.add_cb("gui_dbg", true);
Register.add_cb("hud_dbg", true);
Register.add_cb("draw", true);
Register.add_cb("imgui", true);
var Event = {
events: {},
observe(name, obj, fn) {
this.events[name] ??= [];
this.events[name].push([obj, fn]);
},
unobserve(name, obj) {
this.events[name] = this.events[name].filter((x) => x[0] !== obj);
},
rm_obj(obj) {
Object.keys(this.events).forEach((name) => Event.unobserve(name, obj));
},
notify(name, ...args) {
if (!this.events[name]) return;
this.events[name].forEach(function (x) {
x[1].call(x[0], ...args);
});
},
};
global.mixin("scripts/spline");
global.mixin("scripts/components");
global.mixin("scripts/actor");
global.mixin("scripts/entity");
function world_start() {
globalThis.world = Object.create(entity);
world.transform = os.make_transform();
world.objects = {};
world.toString = function () {
return "world";
};
world.ur = "world";
world.kill = function () {
this.clear();
};
world.phys = 2;
world.zoom = 1;
world._ed = { selectable: false };
world.ur = {};
world.ur.fresh = {};
game.cam = world;
}
global.mixin("scripts/physics");
global.mixin("scripts/widget");
global.mixin("scripts/mum");
window.title = `Prosperon v${prosperon.version}`;
window.size = [500, 500];
Object.assign(globalThis, use("scripts/prosperon.js"));

7
scripts/entity.js
View file

@ -138,7 +138,7 @@ var entity = {
},
spawn(text, config, callback) {
var st = profile.now();
var ent = Object.create(entity);
ent.transform = os.make_transform();
@ -165,7 +165,8 @@ var entity = {
use(text, ent);
else if (Array.isArray(text))
for (var path of text) use(path,ent);
profile.cache("ENTITY TIME", ent.ur.name);
var st = profile.now();
if (typeof config === 'string')
Object.merge(ent, json.decode(Resources.replstrs(config)));
else if (Array.isArray(config))
@ -230,7 +231,7 @@ var entity = {
for (var i in ent.objects)
ent.ur.fresh.objects[i] = ent.objects[i].instance_obj();
profile.addreport("ENTITY TIME", ent.ur.name, st);
profile.endcache();
return ent;
},

46
scripts/profile.js
View file

@ -1,3 +1,5 @@
var t_units = ["ns", "us", "ms", "s", "m", "h"];
profile.cpu = function(fn, times = 1, q = "unnamed") {
var start = profile.now();
for (var i = 0; i < times; i++)
@ -33,6 +35,7 @@ function add_callgraph(fn, line, time) {
var hittar = 500;
var hitpct = 0.2;
var start_gather = profile.now();
if (profile.enabled)
profile.gather(hittar, function() {
var time = profile.now()-st;
@ -141,19 +144,43 @@ profile.print_frame_avg = function()
print_frame(profile_frames[i], "", 'frame');
}
profile.report_cache = {};
var report_cache = {};
profile.addreport = function (group, line, start) {
var cachest = 0;
var cachegroup;
var cachetitle;
profile.cache = function(group, title)
{
cachest = profile.now();
cachegroup = group;
cachetitle = title;
}
profile.endcache = function(tag = "")
{
addreport(cachegroup, cachetitle + tag, cachest);
}
profile.print_cache_report = function()
{
var str = "===START CACHE REPORTS===\n";
for (var i in report_cache)
str += printreport(report_cache[i], i) + "\n";
return str;
}
function addreport(group, line, start) {
if (typeof group !== 'string') group = 'UNGROUPED';
profile.report_cache[group] ??= {};
var cache = profile.report_cache[group];
report_cache[group] ??= {};
var cache = report_cache[group];
cache[line] ??= [];
var t = profile.now();
cache[line].push(t - start);
return t;
};
profile.printreport = function (cache, name) {
function printreport(cache, name) {
var report = `==${name}==` + "\n";
var reports = [];
@ -176,12 +203,3 @@ profile.printreport = function (cache, name) {
return report;
};
var null_fn = function(){};
profile.disable = function()
{
profile.gather_stop();
profile.frame = null_fn;
profile.endframe = null_fn;
profile.disabled = true;
}

425
scripts/prosperon.js Normal file
View file

@ -0,0 +1,425 @@
global.check_registers = function (obj) {
for (var reg in Register.registries) {
if (typeof obj[reg] === 'function') {
var fn = obj[reg].bind(obj);
var name = obj.ur ? obj.ur.name : obj.toString();
obj.timers.push(Register.registries[reg].register(fn, name));
}
}
for (var k in obj) {
if (!k.startsWith("on_")) continue;
var signal = k.fromfirst("on_");
Event.observe(signal, obj, obj[k]);
}
};
global.obscure("global");
global.mixin("scripts/render");
global.mixin("scripts/debug");
var frame_t = profile.secs(profile.now());
var sim = {};
sim.mode = "play";
sim.play = function () {
this.mode = "play";
os.reindex_static();
};
sim.playing = function () {
return this.mode === "play";
};
sim.pause = function () {
this.mode = "pause";
};
sim.paused = function () {
return this.mode === "pause";
};
sim.step = function () {
this.mode = "step";
};
sim.stepping = function () {
return this.mode === "step";
};
var physlag = 0;
var gggstart = game.engine_start;
game.engine_start = function (s) {
game.startengine = 1;
gggstart(
function () {
global.mixin("scripts/sound.js");
world_start();
window.set_icon(os.make_texture("icons/moon.gif"));
Object.readonly(window.__proto__, "vsync");
Object.readonly(window.__proto__, "enable_dragndrop");
Object.readonly(window.__proto__, "enable_clipboard");
Object.readonly(window.__proto__, "high_dpi");
Object.readonly(window.__proto__, "sample_count");
s();
shape.quad = {
pos: os.make_buffer([0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0], 0),
verts: 4,
uv: os.make_buffer([0, 1, 1, 1, 0, 0, 1, 0], 2),
index: os.make_buffer([0, 1, 2, 2, 1, 3], 1),
count: 6,
};
shape.triangle = {
pos: os.make_buffer([0, 0, 0, 0.5, 1, 0, 1, 0, 0], 0),
uv: os.make_buffer([0, 0, 0.5, 1, 1, 0], 2),
verts: 3,
count: 3,
index: os.make_buffer([0, 2, 1], 1),
};
shape.centered_quad = {
pos: os.make_buffer([-0.5, -0.5, -0.5, 0.5, -0.5, -0.5, -0.5, 0.5, -0.5, 0.5, 0.5, -0.5], 0),
verts: 4,
uv: os.make_buffer([0,1,1,1,0,0,1,0],2),
index: os.make_buffer([0,1,2,2,1,3],1),
count: 6
};
render.init();
prosperon.camera = prosperon.make_camera();
var camera = prosperon.camera;
camera.transform.pos = [0,0,-100];
camera.mode = "keep";
camera.break = "fit";
camera.size = game.size;
gamestate.camera = camera;
prosperon.hudcam = prosperon.make_camera();
var hudcam = prosperon.hudcam;
hudcam.near = 0;
hudcam.size = camera.size;
hudcam.mode = "keep";
hudcam.break = "fit";
prosperon.appcam = prosperon.make_camera();
var appcam = prosperon.appcam;
appcam.near = 0;
appcam.size = window.size;
appcam.transform.pos = [window.size.x,window.size.y,-100];
prosperon.screencolor = render.screencolor();
},
prosperon.process,
window.size.x,
window.size.y,
);
};
game.startengine = 0;
var frames = [];
prosperon.release_mode = function()
{
prosperon.debug = false;
mum.debug = false;
debug.kill();
}
prosperon.debug = true;
globalThis.fps = function () {
return 0;
// var sum = 0;
// for (var i = 0; i < frames.length; i++) sum += frames[i];
// return frames.length / sum;
};
game.timescale = 1;
var eachobj = function (obj, fn) {
var val = fn(obj);
if (val) return val;
for (var o in obj.objects) {
if (obj.objects[o] === obj)
console.error(`Object ${obj.toString()} is referenced by itself.`);
val = eachobj(obj.objects[o], fn);
if (val) return val;
}
};
game.all_objects = function (fn, startobj = world) {
return eachobj(startobj, fn);
};
game.find_object = function (fn, startobj = world) {};
game.tags = {};
game.tag_add = function (tag, obj) {
game.tags[tag] ??= {};
game.tags[tag][obj.guid] = obj;
};
game.tag_rm = function (tag, obj) {
delete game.tags[tag][obj.guid];
};
game.tag_clear_guid = function (guid) {
for (var tag in game.tags) delete game.tags[tag][guid];
};
game.objects_with_tag = function (tag) {
if (!game.tags[tag]) return [];
return Object.values(game.tags[tag]);
};
game.doc = {};
game.doc.object = "Returns the entity belonging to a given id.";
game.doc.pause = "Pause game simulation.";
game.doc.play = "Resume or start game simulation.";
game.doc.camera = "Current camera.";
game.texture = function (path, force = false) {
if (force && game.texture.cache[path]) return game.texture.cache[path];
if (!io.exists(path)) {
console.warn(`Missing texture: ${path}`);
game.texture.cache[path] = game.texture("icons/no_tex.gif");
} else game.texture.cache[path] ??= os.make_texture(path);
return game.texture.cache[path];
};
game.texture.cache = {};
prosperon.semver = {};
prosperon.semver.valid = function (v, range) {
v = v.split(".");
range = range.split(".");
if (v.length !== 3) return undefined;
if (range.length !== 3) return undefined;
if (range[0][0] === "^") {
range[0] = range[0].slice(1);
if (parseInt(v[0]) >= parseInt(range[0])) return true;
return false;
}
if (range[0] === "~") {
range[0] = range[0].slice(1);
for (var i = 0; i < 2; i++)
if (parseInt(v[i]) < parseInt(range[i])) return false;
return true;
}
return prosperon.semver.cmp(v.join("."), range.join(".")) === 0;
};
prosperon.semver.cmp = function (v1, v2) {
var ver1 = v1.split(".");
var ver2 = v2.split(".");
for (var i = 0; i < 3; i++) {
var n1 = parseInt(ver1[i]);
var n2 = parseInt(ver2[i]);
if (n1 > n2) return 1;
else if (n1 < n2) return -1;
}
return 0;
};
prosperon.semver.doc =
"Functions for semantic versioning numbers. Semantic versioning is given as a triple digit number, as MAJOR.MINOR.PATCH.";
prosperon.semver.cmp.doc =
"Compare two semantic version numbers, given like X.X.X.";
prosperon.semver.valid.doc = `Test if semantic version v is valid, given a range.
Range is given by a semantic versioning number, prefixed with nothing, a ~, or a ^.
~ means that MAJOR and MINOR must match exactly, but any PATCH greater or equal is valid.
^ means that MAJOR must match exactly, but any MINOR and PATCH greater or equal is valid.`;
prosperon.iconified = function (icon) {};
prosperon.focus = function (focus) {};
prosperon.resize = function (dimensions) {
window.size.x = dimensions.x;
window.size.y = dimensions.y;
};
prosperon.suspended = function (sus) {};
prosperon.mouseenter = function () {};
prosperon.mouseleave = function () {};
prosperon.touchpress = function (touches) {};
prosperon.touchrelease = function (touches) {};
prosperon.touchmove = function (touches) {};
prosperon.clipboardpaste = function (str) {};
prosperon.quit = function () {
if (!profile.enabled) return;
say(profile.print_cache_report());
say("===FRAME AVERAGES===\n");
say(profile.print_frame_avg());
say("\n");
profile.print_cpu_instr();
};
window.size = [640, 480];
window.mode = "keep";
window.toggle_fullscreen = function() { window.fullscreen = !window.fullscreen; }
window.set_icon.doc = "Set the icon of the window using the PNG image at path.";
window.doc = {};
window.doc.dimensions = "Window width and height packaged in an array [width,height]";
window.doc.title = "Name in the title bar of the window.";
window.doc.boundingbox = "Boundingbox of the window, with top and right being its height and width.";
global.mixin("scripts/input");
global.mixin("scripts/std");
global.mixin("scripts/diff");
global.mixin("scripts/color");
global.mixin("scripts/gui");
global.mixin("scripts/tween");
global.mixin("scripts/ai");
global.mixin("scripts/particle");
var timer = {
update(dt) {
this.remain -= dt;
if (this.remain <= 0) {
this.fn();
this.kill();
}
},
kill() {
this.end();
delete this.fn;
},
delay(fn, secs) {
var t = Object.create(this);
t.time = secs;
t.remain = secs;
t.fn = fn;
t.end = Register.update.register(timer.update.bind(t));
var returnfn = timer.kill.bind(t);
returnfn.remain = secs;
return returnfn;
},
};
global.mixin("scripts/physics");
global.mixin("scripts/geometry");
/*
Factory for creating registries. Register one with 'X.register',
which returns a function that, when invoked, cancels the registry.
*/
var Register = {
registries: [],
add_cb(name, e_event = false) {
var n = {};
var fns = [];
n.register = function (fn, oname) {
if (!(fn instanceof Function)) return;
var dofn = function(...args) {
profile.cache(name,oname);
var st = profile.now();
fn(...args);
profile.endcache();
}
fns.push(dofn);
return function () {
fns.remove(dofn);
};
};
prosperon[name] = function (...args) {
fns.forEach(x => x(...args));
};
prosperon[name].fns = fns;
n.clear = function () {
fns = [];
};
Register[name] = n;
Register.registries[name] = n;
return n;
},
};
Register.add_cb("appupdate", true);
Register.add_cb("update", true).doc = "Called once per frame.";
Register.add_cb("physupdate", true);
Register.add_cb("gui", true);
Register.add_cb("hud", true);
Register.add_cb("draw_dbg", true);
Register.add_cb("gui_dbg", true);
Register.add_cb("hud_dbg", true);
Register.add_cb("draw", true);
Register.add_cb("imgui", true);
var Event = {
events: {},
observe(name, obj, fn) {
this.events[name] ??= [];
this.events[name].push([obj, fn]);
},
unobserve(name, obj) {
this.events[name] = this.events[name].filter((x) => x[0] !== obj);
},
rm_obj(obj) {
Object.keys(this.events).forEach((name) => Event.unobserve(name, obj));
},
notify(name, ...args) {
if (!this.events[name]) return;
this.events[name].forEach(function (x) {
x[1].call(x[0], ...args);
});
},
};
global.mixin("scripts/spline");
global.mixin("scripts/components");
global.mixin("scripts/actor");
global.mixin("scripts/entity");
function world_start() {
globalThis.world = Object.create(entity);
world.transform = os.make_transform();
world.objects = {};
world.toString = function () {
return "world";
};
world.ur = "world";
world.kill = function () {
this.clear();
};
world.phys = 2;
world.zoom = 1;
world._ed = { selectable: false };
world.ur = {};
world.ur.fresh = {};
game.cam = world;
}
global.mixin("scripts/physics");
global.mixin("scripts/widget");
global.mixin("scripts/mum");
window.title = `Prosperon v${prosperon.version}`;
window.size = [500, 500];
return {
Register,
sim,
frame_t,
physlag,
Event
}

202
scripts/render.js
View file

@ -182,7 +182,8 @@ render.make_shader = function(shader)
shader = io.slurp(`shaders/${file}`);
}
var writejson = `.prosperon/${file.name()}.shader.json`;
var st = profile.now();
profile.cache("shader", file);
breakme: if (io.exists(writejson)) {
var data = json.decode(io.slurp(writejson));
@ -194,7 +195,7 @@ render.make_shader = function(shader)
}
}
profile.addreport("shader [cached]", file, st);
profile.endcache(" [cached]");
var shaderobj = json.decode(io.slurp(writejson));
var obj = shaderobj[os.sys()];
obj.pipe = render.pipeline(obj);
@ -310,7 +311,7 @@ render.make_shader = function(shader)
compiled.files = files;
io.slurpwrite(writejson, json.encode(compiled));
profile.addreport('shader', file, st);
profile.endcache();
var obj = compiled[os.sys()];
obj.pipe = render.pipeline(obj);
@ -791,4 +792,199 @@ render.draw = function(mesh, ssbo, inst = 1)
render.spdraw(cur.bind.count, inst);
}
// Returns an array in the form of [left, bottom, right, top] in pixels of the camera to render to
// Camera viewport is [left,bottom,right,top] in relative values
function camviewport()
{
var aspect = (this.viewport[2]-this.viewport[0])/(this.viewport[3]-this.viewport[1])*window.size.x/window.size.y;
var raspect = this.size.x/this.size.y;
var left = this.viewport[0]*window.size.x;
var bottom = this.viewport[1]*window.size.y;
var usemode = this.mode;
if (this.break && this.size.x > window.size.x && this.size.y > window.size.y)
usemode = this.break;
if (usemode === "fit")
if (raspect < aspect) usemode = "height";
else usemode = "width";
switch(usemode) {
case "stretch":
case "expand":
return [0, 0, window.size.x, window.size.y];
case "keep":
return [left, bottom, left+this.size.x, bottom+this.size.y];
case "height":
var ret = [left, 0, this.size.x*(window.size.y/this.size.y), window.size.y];
ret[0] = (window.size.x-(ret[2]-ret[0]))/2;
return ret;
case "width":
var ret = [0, bottom, window.size.x, this.size.y*(window.size.x/this.size.x)];
ret[1] = (window.size.y-(ret[3]-ret[1]))/2;
return ret;
}
return [0, 0, window.size.x, window.size.y];
}
// pos is pixels on the screen, lower left[0,0]
function camscreen2world(pos)
{
var view = this.screen2cam(pos);
view.x *= this.size.x;
view.y *= this.size.y;
view = view.sub([this.size.x/2, this.size.y/2]);
view = view.add(this.pos.xy);
return view;
}
camscreen2world.doc = "Convert a view position for a camera to world."
function screen2cam(pos)
{
var viewport = this.view();
var width = viewport[2]-viewport[0];
var height = viewport[3]-viewport[1];
var left = pos.x-viewport[0];
var bottom = pos.y-viewport[1];
var p = [left/width, bottom/height];
return p;
}
screen2cam.doc = "Convert a screen space position in pixels to a normalized viewport position in a camera."
prosperon.make_camera = function()
{
var cam = world.spawn();
cam.near = 0.1;
cam.far = 1000;
cam.ortho = true;
cam.viewport = [0,0,1,1];
cam.size = window.size.slice(); // The render size of this camera in pixels
// In ortho mode, this determines how many pixels it will see
cam.mode = "stretch";
cam.screen2world = camscreen2world;
cam.screen2cam = screen2cam;
cam.mousepos = function() { return this.screen2world(input.mouse.screenpos()); }
cam.view = camviewport;
cam.offscreen = false;
return cam;
}
var screencolor;
prosperon.render = function()
{
profile.frame("world");
render.set_camera(prosperon.camera);
profile.frame("sprites");
render.sprites();
profile.endframe();
profile.frame("draws");
prosperon.draw();
profile.endframe();
prosperon.hudcam.size = prosperon.camera.size;
prosperon.hudcam.transform.pos = [prosperon.hudcam.size.x/2, prosperon.hudcam.size.y/2, -100];
render.set_camera(prosperon.hudcam);
profile.endframe();
profile.frame("hud");
prosperon.hud();
render.flush_text();
render.end_pass();
profile.endframe();
profile.frame("post process");
/* draw the image of the game world first */
render.glue_pass();
render.viewport(...prosperon.camera.view());
render.use_shader(render.postshader);
render.use_mat({diffuse:prosperon.screencolor});
render.draw(shape.quad);
profile.endframe();
profile.frame("app");
// Flush & render
prosperon.appcam.transform.pos = [window.size.x/2, window.size.y/2, -100];
prosperon.appcam.size = window.size.slice();
if (os.sys() !== 'macos')
prosperon.appcam.size.y *= -1;
render.set_camera(prosperon.appcam);
render.viewport(...prosperon.appcam.view());
// Call gui functions
mum.style = mum.dbg_style;
prosperon.gui();
if (mum.drawinput) mum.drawinput();
prosperon.gui_dbg();
render.flush_text();
mum.style = mum.base;
profile.endframe();
profile.frame("imgui");
render.imgui_new(window.size.x, window.size.y, 0.01);
prosperon.imgui();
render.imgui_end();
profile.endframe();
render.end_pass();
render.commit();
}
prosperon.process = function() {
profile.frame("frame");
var dt = profile.secs(profile.now()) - frame_t;
frame_t = profile.secs(profile.now());
profile.frame("app update");
prosperon.appupdate(dt);
profile.endframe();
profile.frame("input");
input.procdown();
profile.endframe();
if (sim.mode === "play" || sim.mode === "step") {
profile.frame("update");
prosperon.update(dt * game.timescale);
profile.endframe();
if (sim.mode === "step") sim.pause();
profile.frame("physics");
physlag += dt;
while (physlag > physics.delta) {
physlag -= physics.delta;
prosperon.phys2d_step(physics.delta * game.timescale);
prosperon.physupdate(physics.delta * game.timescale);
}
profile.endframe();
}
profile.frame("render");
prosperon.window_render(window.size);
prosperon.render();
profile.endframe();
profile.endframe();
}
return {render};