@animech-public/playcanvas
Version:
PlayCanvas WebGL game engine
245 lines (242 loc) • 7.08 kB
JavaScript
import { guid } from '../core/guid.js';
import { GraphNode } from '../scene/graph-node.js';
import { getApplication } from './globals.js';
const _enableList = [];
class Entity extends GraphNode {
constructor(name, app = getApplication()) {
super(name);
this.anim = void 0;
this.animation = void 0;
this.audiolistener = void 0;
this.button = void 0;
this.camera = void 0;
this.collision = void 0;
this.element = void 0;
this.gsplat = void 0;
this.layoutchild = void 0;
this.layoutgroup = void 0;
this.light = void 0;
this.model = void 0;
this.particlesystem = void 0;
this.render = void 0;
this.rigidbody = void 0;
this.screen = void 0;
this.script = void 0;
this.scrollbar = void 0;
this.scrollview = void 0;
this.sound = void 0;
this.sprite = void 0;
this.c = {};
this._app = void 0;
this._destroying = false;
this._guid = null;
this._template = false;
this._app = app;
}
addComponent(type, data) {
const system = this._app.systems[type];
if (!system) {
return null;
}
if (this.c[type]) {
return null;
}
return system.addComponent(this, data);
}
removeComponent(type) {
const system = this._app.systems[type];
if (!system) {
return;
}
if (!this.c[type]) {
return;
}
system.removeComponent(this);
}
findComponent(type) {
const entity = this.findOne(node => {
return node.c && node.c[type];
});
return entity && entity.c[type];
}
findComponents(type) {
const entities = this.find(node => {
return node.c && node.c[type];
});
return entities.map(entity => {
return entity.c[type];
});
}
findScript(nameOrType) {
const entity = this.findOne(node => {
var _node$c;
return (_node$c = node.c) == null || (_node$c = _node$c.script) == null ? void 0 : _node$c.has(nameOrType);
});
return entity == null ? void 0 : entity.c.script.get(nameOrType);
}
findScripts(nameOrType) {
const entities = this.find(node => {
var _node$c2;
return (_node$c2 = node.c) == null || (_node$c2 = _node$c2.script) == null ? void 0 : _node$c2.has(nameOrType);
});
return entities.map(entity => entity.c.script.get(nameOrType));
}
getGuid() {
if (!this._guid) {
this.setGuid(guid.create());
}
return this._guid;
}
setGuid(guid) {
const index = this._app._entityIndex;
if (this._guid) {
delete index[this._guid];
}
this._guid = guid;
index[this._guid] = this;
}
_notifyHierarchyStateChanged(node, enabled) {
let enableFirst = false;
if (node === this && _enableList.length === 0) {
enableFirst = true;
}
node._beingEnabled = true;
node._onHierarchyStateChanged(enabled);
if (node._onHierarchyStatePostChanged) {
_enableList.push(node);
}
const c = node._children;
for (let i = 0, len = c.length; i < len; i++) {
if (c[i]._enabled) {
this._notifyHierarchyStateChanged(c[i], enabled);
}
}
node._beingEnabled = false;
if (enableFirst) {
for (let i = 0; i < _enableList.length; i++) {
_enableList[i]._onHierarchyStatePostChanged();
}
_enableList.length = 0;
}
}
_onHierarchyStateChanged(enabled) {
super._onHierarchyStateChanged(enabled);
const components = this.c;
for (const type in components) {
if (components.hasOwnProperty(type)) {
const component = components[type];
if (component.enabled) {
if (enabled) {
component.onEnable();
} else {
component.onDisable();
}
}
}
}
}
_onHierarchyStatePostChanged() {
const components = this.c;
for (const type in components) {
if (components.hasOwnProperty(type)) {
components[type].onPostStateChange();
}
}
}
findByGuid(guid) {
if (this._guid === guid) return this;
const e = this._app._entityIndex[guid];
if (e && (e === this || e.isDescendantOf(this))) {
return e;
}
return null;
}
destroy() {
this._destroying = true;
for (const name in this.c) {
this.c[name].enabled = false;
}
for (const name in this.c) {
this.c[name].system.removeComponent(this);
}
super.destroy();
if (this._guid) {
delete this._app._entityIndex[this._guid];
}
this._destroying = false;
}
clone() {
const duplicatedIdsMap = {};
const clone = this._cloneRecursively(duplicatedIdsMap);
duplicatedIdsMap[this.getGuid()] = clone;
resolveDuplicatedEntityReferenceProperties(this, this, clone, duplicatedIdsMap);
return clone;
}
_cloneRecursively(duplicatedIdsMap) {
const clone = new this.constructor(undefined, this._app);
super._cloneInternal(clone);
for (const type in this.c) {
const component = this.c[type];
component.system.cloneComponent(this, clone);
}
for (let i = 0; i < this._children.length; i++) {
const oldChild = this._children[i];
if (oldChild instanceof Entity) {
const newChild = oldChild._cloneRecursively(duplicatedIdsMap);
clone.addChild(newChild);
duplicatedIdsMap[oldChild.getGuid()] = newChild;
}
}
return clone;
}
}
Entity.EVENT_DESTROY = 'destroy';
function resolveDuplicatedEntityReferenceProperties(oldSubtreeRoot, oldEntity, newEntity, duplicatedIdsMap) {
if (oldEntity instanceof Entity) {
const components = oldEntity.c;
for (const componentName in components) {
const component = components[componentName];
const entityProperties = component.system.getPropertiesOfType('entity');
for (let i = 0, len = entityProperties.length; i < len; i++) {
const propertyDescriptor = entityProperties[i];
const propertyName = propertyDescriptor.name;
const oldEntityReferenceId = component[propertyName];
const entityIsWithinOldSubtree = !!oldSubtreeRoot.findByGuid(oldEntityReferenceId);
if (entityIsWithinOldSubtree) {
const newEntityReferenceId = duplicatedIdsMap[oldEntityReferenceId].getGuid();
if (newEntityReferenceId) {
newEntity.c[componentName][propertyName] = newEntityReferenceId;
}
}
}
}
if (components.script && !newEntity._app.useLegacyScriptAttributeCloning) {
newEntity.script.resolveDuplicatedEntityReferenceProperties(components.script, duplicatedIdsMap);
}
if (components.render) {
newEntity.render.resolveDuplicatedEntityReferenceProperties(components.render, duplicatedIdsMap);
}
if (components.button) {
newEntity.button.resolveDuplicatedEntityReferenceProperties(components.button, duplicatedIdsMap);
}
if (components.scrollview) {
newEntity.scrollview.resolveDuplicatedEntityReferenceProperties(components.scrollview, duplicatedIdsMap);
}
if (components.scrollbar) {
newEntity.scrollbar.resolveDuplicatedEntityReferenceProperties(components.scrollbar, duplicatedIdsMap);
}
if (components.anim) {
newEntity.anim.resolveDuplicatedEntityReferenceProperties(components.anim, duplicatedIdsMap);
}
const _old = oldEntity.children.filter(e => {
return e instanceof Entity;
});
const _new = newEntity.children.filter(e => {
return e instanceof Entity;
});
for (let i = 0, len = _old.length; i < len; i++) {
resolveDuplicatedEntityReferenceProperties(oldSubtreeRoot, _old[i], _new[i], duplicatedIdsMap);
}
}
}
export { Entity };