BVH Status and Paused tracking is not presisted in gui

gui/src/components/BVHButton.tsx

@@ -1,5 +1,5 @@
 import { useLocalization } from '@fluent/react';
-import { useState } from 'react';
+import { useEffect, useState } from 'react';
 import {
   RecordBVHRequestT,
   RecordBVHStatusT,
@@ -8,12 +8,17 @@ import {
 import { useWebsocketAPI } from '@/hooks/websocket-api';
 import { BigButton } from './commons/BigButton';
 import { RecordIcon } from './commons/icon/RecordIcon';
+import classNames from 'classnames';
 
 export function BVHButton(props: React.HTMLAttributes<HTMLButtonElement>) {
   const { l10n } = useLocalization();
   const { useRPCPacket, sendRPCPacket } = useWebsocketAPI();
   const [recording, setRecording] = useState(false);
 
+  useEffect(() => {
+    sendRPCPacket(RpcMessage.RecordBVHStatusRequest, new RecordBVHRequestT());
+  }, []);
+
   const toggleBVH = () => {
     const record = new RecordBVHRequestT();
     record.stop = recording;
@@ -29,7 +34,11 @@ export function BVHButton(props: React.HTMLAttributes<HTMLButtonElement>) {
       text={l10n.getString(recording ? 'bvh-recording' : 'bvh-start_recording')}
       icon={<RecordIcon width={20} />}
       onClick={toggleBVH}
-      className={props.className}
+      className={classNames(
+        props.className,
+        'border',
+        recording ? 'border-status-critical' : 'border-transparent'
+      )}
     ></BigButton>
   );
 }

gui/src/components/ClearDriftCompensationButton.tsx

@@ -4,7 +4,11 @@ import { useWebsocketAPI } from '@/hooks/websocket-api';
 import { BigButton } from './commons/BigButton';
 import { TrashIcon } from './commons/icon/TrashIcon';
 
-export function ClearDriftCompensationButton() {
+export function ClearDriftCompensationButton({
+  disabled,
+}: {
+  disabled: boolean;
+}) {
   const { l10n } = useLocalization();
   const { sendRPCPacket } = useWebsocketAPI();
 
@@ -18,6 +22,7 @@ export function ClearDriftCompensationButton() {
       text={l10n.getString('widget-drift_compensation-clear')}
       icon={<TrashIcon size={20} />}
       onClick={clearDriftCompensation}
+      disabled={disabled}
     >
       {}
     </BigButton>

gui/src/components/TrackingPauseButton.tsx

@@ -1,5 +1,5 @@
 import { useLocalization } from '@fluent/react';
-import { useState } from 'react';
+import { useEffect, useState } from 'react';
 import {
   SetPauseTrackingRequestT,
   RpcMessage,
@@ -10,6 +10,7 @@ import { useWebsocketAPI } from '@/hooks/websocket-api';
 import { BigButton } from './commons/BigButton';
 import { PlayIcon } from './commons/icon/PlayIcon';
 import { PauseIcon } from './commons/icon/PauseIcon';
+import classNames from 'classnames';
 
 export function TrackingPauseButton(
   props: React.HTMLAttributes<HTMLButtonElement>
@@ -30,10 +31,12 @@ export function TrackingPauseButton(
     }
   );
 
-  sendRPCPacket(
-    RpcMessage.TrackingPauseStateRequest,
-    new TrackingPauseStateRequestT()
-  );
+  useEffect(() => {
+    sendRPCPacket(
+      RpcMessage.TrackingPauseStateRequest,
+      new TrackingPauseStateRequestT()
+    );
+  }, []);
 
   return (
     <BigButton
@@ -42,7 +45,7 @@ export function TrackingPauseButton(
       )}
       icon={trackingPause ? <PlayIcon width={20} /> : <PauseIcon width={20} />}
       onClick={toggleTracking}
-      className={props.className}
+      className={classNames(props.className, 'min-h-24')}
     ></BigButton>
   );
 }

gui/src/components/WidgetsComponent.tsx

@@ -52,9 +52,9 @@ export function WidgetsComponent() {
         <ClearMountingButton></ClearMountingButton>
         <BVHButton></BVHButton>
         <TrackingPauseButton></TrackingPauseButton>
-        {driftCompensationEnabled && (
-          <ClearDriftCompensationButton></ClearDriftCompensationButton>
-        )}
+        <ClearDriftCompensationButton
+          disabled={!driftCompensationEnabled}
+        ></ClearDriftCompensationButton>
       </div>
       <div className="w-full">
         <OverlayWidget></OverlayWidget>

server/core/src/main/java/dev/slimevr/protocol/rpc/RPCHandler.kt

@@ -87,6 +87,15 @@ class RPCHandler(private val api: ProtocolAPI) : ProtocolHandler<RpcMessageHeade
 			)
 		}
 
+		registerPacketListener(
+			RpcMessage.RecordBVHStatusRequest,
+		) { conn: GenericConnection, messageHeader: RpcMessageHeader ->
+			this.onBVHStatusRequest(
+				conn,
+				messageHeader,
+			)
+		}
+
 		registerPacketListener(
 			RpcMessage.SkeletonResetAllRequest,
 		) { conn: GenericConnection, messageHeader: RpcMessageHeader ->
@@ -300,6 +309,17 @@ class RPCHandler(private val api: ProtocolAPI) : ProtocolHandler<RpcMessageHeade
 		conn.send(fbb.dataBuffer())
 	}
 
+	fun onBVHStatusRequest(conn: GenericConnection, messageHeader: RpcMessageHeader) {
+		if (messageHeader.message(RecordBVHStatusRequest()) !is RecordBVHStatusRequest) return
+
+		val fbb = FlatBufferBuilder(40)
+		val status = RecordBVHStatus
+			.createRecordBVHStatus(fbb, api.server.bvhRecorder.isRecording)
+		val outbound = this.createRPCMessage(fbb, RpcMessage.RecordBVHStatus, status)
+		fbb.finish(outbound)
+		conn.send(fbb.dataBuffer())
+	}
+
 	fun onResetRequest(conn: GenericConnection, messageHeader: RpcMessageHeader) {
 		val req = messageHeader.message(ResetRequest()) as? ResetRequest ?: return