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scene.js
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97 lines (81 loc) · 3.03 KB
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pc.extend(pc, function () {
'use strict';
var SceneParser = function (app) {
this._app = app;
};
SceneParser.prototype = {
parse: function (data) {
var entities = {};
var id, i;
var parent = null;
// instantiate entities
for (id in data.entities) {
entities[id] = this._createEntity(data.entities[id]);
if (data.entities[id].parent === null) {
parent = entities[id];
}
}
// put entities into hierarchy
for(id in data.entities) {
var l = data.entities[id].children.length;
for (i = 0; i < l; i++) {
// pop resource id off the end of the array
var resource_id = data.entities[id].children[i];
if (entities[resource_id]) {
// push entity on the front of the array
entities[id].addChild(entities[resource_id]);
}
}
}
this._openComponentData(parent, data.entities);
return parent;
},
_createEntity: function (data) {
var entity = new pc.Entity();
var p = data.position;
var r = data.rotation;
var s = data.scale;
entity.name = data.name;
entity._guid = data.resource_id;
entity.setLocalPosition(p[0], p[1], p[2]);
entity.setLocalEulerAngles(r[0], r[1], r[2]);
entity.setLocalScale(s[0], s[1], s[2]);
entity._enabled = data.enabled !== undefined ? data.enabled : true;
entity._enabledInHierarchy = entity._enabled;
entity.template = data.template;
if (data.tags) {
for(var i = 0; i < data.tags.length; i++) {
entity.tags.add(data.tags[i]);
}
}
if (data.labels) {
data.labels.forEach(function (label) {
entity.addLabel(label);
});
}
return entity;
},
_openComponentData: function (entity, entities) {
// Create Components in order
var systems = this._app.systems.list();
var i, len = systems.length;
var edata = entities[entity._guid];
for (i = 0; i < len; i++) {
var componentData = edata.components[systems[i].id];
if (componentData) {
this._app.systems[systems[i].id].addComponent(entity, componentData);
}
}
// Open all children and add them to the node
var length = edata.children.length;
var children = entity._children;
for (i = 0; i < length; i++) {
children[i] = this._openComponentData(children[i], entities);
}
return entity;
}
};
return {
SceneParser: SceneParser
};
}());