nitro-react/src/App.tsx

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import { ConfigurationEvent, LegacyExternalInterface, Nitro, NitroCommunicationDemoEvent, NitroEvent, NitroLocalizationEvent, RoomEngineEvent, WebGL } from 'nitro-renderer';
import { useCallback, useState } from 'react';
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import { useConfigurationEvent } from './hooks/events/core/configuration/configuration-event';
import { useLocalizationEvent } from './hooks/events/nitro/localization/localization-event';
import { dispatchMainEvent, useMainEvent } from './hooks/events/nitro/main-event';
import { useRoomEngineEvent } from './hooks/events/nitro/room/room-engine-event';
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import { GetConfiguration } from './utils/GetConfiguration';
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import { LoadingView } from './views/loading/LoadingView';
import { MainView } from './views/main/MainView';
export function App(): JSX.Element
{
const [ isReady, setIsReady ] = useState(false);
const [ isError, setIsError ] = useState(false);
const [ message, setMessage ] = useState('Getting Ready');
//@ts-ignore
if(!NitroConfig) throw new Error('NitroConfig is not defined!');
if(!Nitro.instance) Nitro.bootstrap();
function getPreloadAssetUrls(): string[]
{
const urls: string[] = [];
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const assetUrls = GetConfiguration<string[]>('preload.assets.urls');
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if(assetUrls && assetUrls.length)
{
for(const url of assetUrls)
{
urls.push(Nitro.instance.core.configuration.interpolate(url));
}
}
return urls;
}
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const handler = useCallback((event: NitroEvent) =>
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{
switch(event.type)
{
case ConfigurationEvent.LOADED:
Nitro.instance.localization.init();
return;
case ConfigurationEvent.FAILED:
setIsError(true);
setMessage('Configuration Failed');
return;
case Nitro.WEBGL_UNAVAILABLE:
setIsError(true);
setMessage('WebGL Required');
return;
case Nitro.WEBGL_CONTEXT_LOST:
setIsError(true);
setMessage('WebGL Context Lost - Reloading');
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setTimeout(() => window.location.reload(), 1500);
return;
case NitroCommunicationDemoEvent.CONNECTION_HANDSHAKING:
return;
case NitroCommunicationDemoEvent.CONNECTION_HANDSHAKE_FAILED:
setIsError(true);
setMessage('Handshake Failed');
return;
case NitroCommunicationDemoEvent.CONNECTION_AUTHENTICATED:
setMessage('Finishing Up');
Nitro.instance.init();
return;
case NitroCommunicationDemoEvent.CONNECTION_ERROR:
setIsError(true);
setMessage('Connection Error');
return;
case NitroCommunicationDemoEvent.CONNECTION_CLOSED:
if(Nitro.instance.roomEngine) Nitro.instance.roomEngine.dispose();
setIsError(true);
setMessage('Connection Error');
LegacyExternalInterface.call('disconnect', -1, 'client.init.handshake.fail');
return;
case RoomEngineEvent.ENGINE_INITIALIZED:
setIsReady(true);
return;
case NitroLocalizationEvent.LOADED:
Nitro.instance.core.asset.downloadAssets(getPreloadAssetUrls(), (status: boolean) =>
{
if(status)
{
setMessage('Connecting');
Nitro.instance.communication.init();
}
else
{
setIsError(true);
setMessage('Assets Failed');
}
});
return;
}
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}, []);
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useMainEvent(Nitro.WEBGL_UNAVAILABLE, handler);
useMainEvent(Nitro.WEBGL_CONTEXT_LOST, handler);
useMainEvent(NitroCommunicationDemoEvent.CONNECTION_HANDSHAKING, handler);
useMainEvent(NitroCommunicationDemoEvent.CONNECTION_HANDSHAKE_FAILED, handler);
useMainEvent(NitroCommunicationDemoEvent.CONNECTION_AUTHENTICATED, handler);
useMainEvent(NitroCommunicationDemoEvent.CONNECTION_ERROR, handler);
useMainEvent(NitroCommunicationDemoEvent.CONNECTION_CLOSED, handler);
useRoomEngineEvent(RoomEngineEvent.ENGINE_INITIALIZED, handler);
useLocalizationEvent(NitroLocalizationEvent.LOADED, handler);
useConfigurationEvent(ConfigurationEvent.LOADED, handler);
useConfigurationEvent(ConfigurationEvent.FAILED, handler);
if(!WebGL.isWebGLAvailable())
{
dispatchMainEvent(new NitroEvent(Nitro.WEBGL_UNAVAILABLE));
}
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else
{
Nitro.instance.core.configuration.init();
}
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return (
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<div className="nitro-app">
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{ (!isReady || isError) && <LoadingView isError={ isError } message={ message } /> }
{ (isReady && !isError) && <MainView /> }
</div>
);
}