@dcl/ecs
Version:
Decentraland ECS
87 lines (86 loc) • 3.62 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createVideoEventsSystem = void 0;
const components = __importStar(require("../components"));
const entity_1 = require("../engine/entity");
/**
* @internal
*/
function createVideoEventsSystem(engine) {
const videoPlayerComponent = components.VideoPlayer(engine);
const videoEventComponent = components.VideoEvent(engine);
const entitiesCallbackVideoStateMap = new Map();
function registerVideoEventsEntity(entity, callback) {
// video event component is not added here because the renderer adds it
// to every entity with a VideoPlayer component
entitiesCallbackVideoStateMap.set(entity, { callback: callback });
}
function removeVideoEventsEntity(entity) {
entitiesCallbackVideoStateMap.delete(entity);
}
function hasVideoEventsEntity(entity) {
return entitiesCallbackVideoStateMap.has(entity);
}
// @internal
engine.addSystem(function EventSystem() {
for (const [entity, data] of entitiesCallbackVideoStateMap) {
const videoPlayer = videoPlayerComponent.getOrNull(entity);
if (engine.getEntityState(entity) === entity_1.EntityState.Removed || !videoPlayer) {
removeVideoEventsEntity(entity);
continue;
}
// Compare with last state
const videoEvent = videoEventComponent.get(entity);
const values = Array.from(videoEvent.values());
const lastValue = values[videoEvent.size - 1];
if (lastValue === undefined || (data.lastVideoState !== undefined && data.lastVideoState === lastValue.state))
continue;
data.callback(lastValue);
entitiesCallbackVideoStateMap.set(entity, {
callback: data.callback,
lastVideoState: lastValue.state
});
}
});
return {
removeVideoEventsEntity(entity) {
removeVideoEventsEntity(entity);
},
registerVideoEventsEntity(entity, callback) {
registerVideoEventsEntity(entity, callback);
},
hasVideoEventsEntity(entity) {
return hasVideoEventsEntity(entity);
},
getVideoState(entity) {
const videoEvent = videoEventComponent.get(entity);
const values = Array.from(videoEvent.values());
const lastValue = values[videoEvent.size - 1];
return lastValue;
}
};
}
exports.createVideoEventsSystem = createVideoEventsSystem;