490 lines
13 KiB
JavaScript
490 lines
13 KiB
JavaScript
/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
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"use strict";
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(function() {
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// dep: ext.three
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// dep: ext.three-bgu
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gapp.register("mesh.api", [
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"moto.license", // dep: moto.license
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"moto.client", // dep: moto.client
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"moto.broker", // dep: moto.broker
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"moto.space", // dep: moto.space
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"data.index", // dep: data.index
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"mesh.tool", // dep: mesh.tool
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"mesh.util", // dep: mesh.util
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"add.array", // dep: add.array
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]);
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let mesh = self.mesh = self.mesh || {};
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if (mesh.api) return;
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let { Matrix4, Vector3 } = THREE;
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let space = moto.Space;
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let worker = moto.client.fn;
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let util = mesh.util;
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let groups = [];
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let selected = [];
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let toggle = {
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wire: false,
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bound: false
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};
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let selection = {
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// @returns {MeshObject[]} or all groups if not strict and no selection
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list(strict = false) {
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return selected.length || strict ? selected.slice() : groups.slice();
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},
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// return selected groups + groups from selected models
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groups(strict) {
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let all = selection.list(strict);
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let grp = all.filter(s => s instanceof mesh.group);
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let mdl = all.filter(s => s instanceof mesh.model);
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for (let m of mdl) {
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grp.addOnce(m.group);
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}
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return grp;
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},
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// return selected models + models from selected groups
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models(strict) {
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let all = selection.list(strict);
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let grp = all.filter(s => s instanceof mesh.group);
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let mdl = all.filter(s => s instanceof mesh.model);
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for (let g of grp) {
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for (let m of g.models) {
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mdl.addOnce(m);
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}
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}
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return mdl;
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},
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contains(object) {
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return selected.contains(object);
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},
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// @param group {MeshObject[]}
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set(objects) {
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selected = objects;
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util.defer(selection.update);
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},
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// @param group {MeshObject}
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add(object) {
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// pendantic code necessary to minimize re-entrant api calls
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if (object.models) {
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// if group, remove discrete selected members
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for (let m of object.models) {
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if (selected.contains(m)) {
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selection.remove(m);
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}
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}
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} else {
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// if model, remove selcted group
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if (selected.contains(object.group)) {
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selection.remove(object.group);
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}
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}
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selected.addOnce(object);
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util.defer(selection.update);
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},
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// @param group {MeshObject}
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remove(object) {
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selected.remove(object);
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util.defer(selection.update);
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},
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// @param group {MeshObject}
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toggle(object) {
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if (selected.contains(object)) {
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selection.remove(object);
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} else {
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selection.add(object);
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}
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},
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clear() {
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for (let s of selection.list()) {
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selection.remove(s);
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}
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},
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visible() {
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for (let m of selection.models()) {
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m.visible(...arguments);
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}
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util.defer(selection.update);
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},
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duplicate() {
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for (let m of selection.models()) {
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m.duplicate();
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}
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},
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// update selection and wireframe for all objects
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update() {
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for (let group of groups) {
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group.select(false);
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group.wireframe(prefs.map.space.wire);
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}
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// prevent selection of model and its group
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let mgsel = selected.filter(s => s instanceof mesh.model).map(m => m.group);
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selected = selected.filter(sel => !mgsel.contains(sel));
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// highlight selected
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for (let object of selected) {
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object.select(true);
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}
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// update saved selection id list
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prefs.save( prefs.map.space.select = selected.map(s => s.id) );
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return selection;
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},
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move(dx = 0, dy = 0, dz = 0) {
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for (let s of selection.groups()) {
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s.move(dx, dy, dz);
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}
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return selection;
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},
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rotate(dx = 0, dy = 0, dz = 0) {
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for (let s of selection.groups()) {
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s.rotate(dx, dy, dz);
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}
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return selection;
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},
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qrotate(q) {
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for (let s of selection.groups()) {
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s.qrotate(q);
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}
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return selection;
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},
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scale(dx = 0, dy = 0, dz = 0) {
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for (let s of selection.groups()) {
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let { x, y, z } = s.scale();
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s.scale(x * dx, y * dy, z * dz);
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}
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return selection;
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},
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floor() {
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for (let s of selection.groups()) {
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s.floor(...arguments);
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}
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return selection;
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},
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centerXY() {
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for (let s of selection.groups()) {
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s.centerXY(...arguments);
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}
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return selection;
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},
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boundsBox() {
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for (let m of selection.groups()) {
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m.showBounds(...arguments);
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}
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return selection;
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},
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home() {
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return selection.centerXY().floor();
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},
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focus() {
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api.focus(selection.list());
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},
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bounds() {
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return util.bounds(selected.map(s => s.object));
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}
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};
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let group = {
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// @returns {MeshGroup[]}
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list() {
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return groups.slice();
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},
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// @param group {MeshModel[]}
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new(models, id, name) {
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return group.add(new mesh.group(models, id, name));
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},
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// @param group {MeshGroup}
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add(group) {
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groups.addOnce(group);
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space.world.add(group.object);
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api.selection.update();
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space.update();
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return group;
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},
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// @param group {MeshGroup}
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remove(group) {
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groups.remove(group);
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space.world.remove(group.object);
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space.update();
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}
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};
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let model = {
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// @returns {MeshModel[]}
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list() {
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return groups.map(g => g.models).flat();
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}
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};
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let file = {
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import() {
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// binding created in mesh.build
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$('import').click();
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},
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export() {
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let recs = selection.models().map(m => { return {
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id: m.id, matrix: m.matrix, file: m.file
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} });
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if (recs.length === 0) {
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return api.log.emit(`no models to export`);
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}
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function doit(ext = 'obj') {
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api.log.emit(`exporting ${recs.length} model(s)`);
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let file = api.modal.bound.filename.value || "export.obj";
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if (file.toLowerCase().indexOf(`.${ext}`) < 0) {
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file = `${file}.${ext}`;
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}
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worker.file_export({
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recs, format: ext
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}).then(data => {
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if (data.length) {
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util.download(data, file);
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}
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}).finally( api.modal.hide );
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}
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api.modal.dialog({
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title: `export ${recs.length} model(s)`,
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body: [ h.div({ class: "export" }, [
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h.div([
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h.div("filename"),
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h.input({ id: "filename", value: "mesh_export" })
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]),
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h.div([
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h.button({ _: "download OBJ", onclick() { doit('obj') } }),
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h.button({ _: "download STL", onclick() { doit('stl') } })
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])
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]) ]
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});
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},
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};
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// return selection if models are invalid. can happen when called from
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// even bound to a button which delivers a PointEvent argument
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function fallback(models) {
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return Array.isArray(models) ? models : selection.models();
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}
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let tool = {
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merge(models) {
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models = fallback(models);
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api.log.emit(`merging ${models.length} models`).pin();
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worker.model_merge(models.map(m => {
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return { id: m.id, matrix: m.matrix }
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}))
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.then(data => {
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let group = api.group.new([new mesh.model({
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file: `merged`,
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mesh: data
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})]).promote();
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api.selection.set([group]);
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api.log.emit('merge complete').unpin();
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});
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},
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analyze(models) {
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models = fallback(models);
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api.log.emit('analyzing mesh(es)...').pin();
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let promises = [];
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let newmdl = [];
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let mcore = new Matrix4().makeRotationX(Math.PI / 2);
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for (let m of models) {
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// todo - translate vertices with source model's matrix
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let p = worker.model_analyze(m.id).then(data => {
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let { areas, edges } = data.mapped;
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let nm = areas.map(area => new mesh.model({
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file: (area.length/3).toString(),
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mesh: area.toFloat32()
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})).map( nm => nm.applyMatrix4(mcore.multiply(m.mesh.matrixWorld)) );
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newmdl.appendAll(nm);
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});
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promises.push(p);
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}
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Promise.all(promises).then(() => {
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if (newmdl.length) {
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mesh.api.group.new(newmdl, undefined, "patch").select();
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}
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api.log.emit('analysis complete').unpin();
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});
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},
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heal(models, opt = {}) {
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models = fallback(models);
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let promises = [];
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for (let m of models) {
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let p = worker.model_heal({
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id: m.id, opt
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}).then(data => {
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if (data) {
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m.reload(
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data.vertices,
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data.indices,
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data.normals
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);
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}
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});
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promises.push(p);
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}
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return new Promise((resolve, reject) => {
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Promise.all(promises).then(() => {
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resolve();
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});
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});
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},
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repair(models) {
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models = fallback(models);
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api.log.emit('repairing mesh(es)...').pin();
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tool.heal(models, { merge: true }).then(() => {
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api.log.emit('repair commplete').pin();
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api.selection.update();
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});
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},
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clean(models = selection.models()) {
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models = fallback(models);
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tool.heal(models, { merge: false }).then(() => {
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api.log.emit('cleaning complete').pin();
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api.selection.update();
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});
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}
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};
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// persisted preference map
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let prefs = {
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map: {
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info: {},
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space: {
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wire: false,
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grid: true,
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dark: false,
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select: []
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},
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},
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put(key, val) {
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prefs.map[key] = val;
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prefs.update();
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},
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// persist to data store
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save() {
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mesh.db.admin.put("prefs", prefs.map);
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},
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// reload from data store
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load() {
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return mesh.db.admin.get("prefs").then(data => {
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// handle/ignore incompatible older prefs
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if (data) Object.assign(prefs.map, data);
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});
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}
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};
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// api is augmented in mesh.build (log, modal, download)
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let api = mesh.api = {
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help() {
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window.open("https://docs.grid.space/projects/mesh-tool");
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},
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clear() {
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for (let group of group.list()) {
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group.remove(group);
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}
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},
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// @param object {THREE.Object3D | THREE.Object3D[] | Point}
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focus(object) {
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let { center } = object.center ? object : util.bounds(object);
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// when no valid objects supplied, set origin
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if (isNaN(center.x * center.y * center.z)) {
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center = { x: 0, y: 0, z: 0 };
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}
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// sets "home" views (front, back, home, reset)
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space.platform.setCenter(center.x, -center.y, center.z);
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// sets camera focus
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space.view.setFocus(new Vector3(
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center.x, center.z, -center.y
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));
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},
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grid(state = {toggle:true}) {
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let { platform } = space;
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let { map, save } = prefs;
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if (state.toggle) {
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platform.showGrid(!platform.isGridVisible());
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} else {
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platform.showGrid(state);
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}
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map.space.grid = platform.isGridVisible();
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save();
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},
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wireframe(state = {toggle:true}, opt = { }) {
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let wire = prefs.map.space.wire;
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if (state.toggle) {
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wire = !wire;
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} else {
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wire = state;
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}
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for (let m of api.model.list()) {
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m.wireframe(wire, opt);
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}
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prefs.save( prefs.map.space.wire = wire );
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},
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selection,
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group,
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model,
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file,
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tool,
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prefs,
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objects() {
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// return model objects suitable for finding ray intersections
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return group.list().map(o => o.models).flat().map(o => o.mesh);
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}
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};
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let broker = gapp.broker;
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// publish messages when api functions are called
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broker.wrapObject(selection, 'selection');
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broker.wrapObject(model, 'model');
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broker.wrapObject(group, 'group');
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// optimize db writes by merging updates
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prefs.save = util.deferWrap(prefs.save);
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})();
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