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SlimeVR Extended Bones And Features - #1938

Draft
Sebane1 wants to merge 244 commits into
SlimeVR:server-rewritefrom
Sebane1:main-extended
Draft

SlimeVR Extended Bones And Features#1938
Sebane1 wants to merge 244 commits into
SlimeVR:server-rewritefrom
Sebane1:main-extended

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@Sebane1

@Sebane1 Sebane1 commented Sep 23, 2026 •
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This draft PR currently incorporates rough implementations of the following features:

Custom OSC Parameter Output
Bust tracking, tail tracking, and posterior tracking with automatic hiding of extra joints that aren't explicitly assigned.

Accompanying SolarXR
SlimeVR/SolarXR-Protocol#224

Sebane1 and others added 30 commits September 2, 2026 00:33
@Sebane1
Initial Bust Tracking
c3a0038
@Sebane1
Add left and right posterior, and tail.
4a0fb18
@Sebane1
Merge remote-tracking branch 'upstream/server-rewrite' into Left-And-…
10bf20e 
…Right-Bust-Tracking
@Sebane1
Merge remote-tracking branch 'upstream/server-rewrite' into Posterior…
3f800bd 
…-And-Tail-Tracking
@Sebane1
Refinement attempts.
8a9b204
@Sebane1
Merge branch 'refs/heads/server-rewrite' into Left-And-Right-Bust-Tra…
9e65eb8 
…cking

# Conflicts:
#	server/core/src/main/java/dev/slimevr/skeleton/module.kt
@Sebane1
Additional tweaks and refactor.
3d007bc
@Sebane1
Make sure we actually add the bust to proportions.
f2e95d3
@Sebane1
Rough bust preview.
075a8ab
@Sebane1
Initial bust correction math,
056f53f
@Sebane1
Change function call
2c6cc8d
@ImSapphire
Ignore .worktree
848721c
@Erimelowo
Get rid of send_derived_velocity
01a70bf
@loucass003
HID protocol v3 and legacy rewrite
d45123e
@loucass003
Clean comment
5e4a8cb
@loucass003
Fix mirror display on assignment + cleanup / fix rerenders
e39bf6c
@loucass003
Reworked tooltips to use Popover API
91a0307
@loucass003
Mobile QOL + Improve autimatic set detection
a830809
@loucass003
Checklist -> tracker error. only when invalid
53d7fde
@Erimelowo
Fix angular velocity
c5ac7c0
@Erimelowo
Filtering steps of 5% and allow 0%
3908d54
@Erimelowo
disable hip yaw roll align when thighs no active
ab193a4
@Erimelowo
Progress on Mocap Mode! ^-^
42212b4
@Erimelowo
Correct spelling mistake in centre ("center")
eef0326
@ImSapphire
Only redirect output streams after the first time we log a message
dd9af64 
When we log for the first time, the static initialiser for
io.klogging.internal.hostname is called, since it instantiates a
LogEvent class where the 'host' field defaults to the aforementioned
hostname variable when no host is provided in the constructor.
The static initialiser may throw an UnknownHostException (since Java
may perform a DNS lookup in `InetAddress.getLocalHost().getHostName()`),
which is caught and tries to log the exception to stderr inside the
catch block.

Since we redirect the streams before the first time we log, the message
ends up getting passed to our LineLogger where we try to log it with
Klogger. This ends up trying to instantiate a LogEvent again with no
host field specified, and since an exception was thrown in hostname's
static initialiser, it is null, so an exception is thrown by the
constructor. This manifests as a crash with VERY CONFUSING log output:

INFO [                main] :        Configuration : Configuration set using the DSL with append=false

Exception: java.lang.NoClassDefFoundError thrown from the UncaughtExceptionHandler in thread "main"

Output with debugger printing all exceptions:

Connected to the target VM, address: 'localhost:35355', transport: 'socket'
---snip---
Exception 'java.net.UnknownHostException' occurred in thread 'main @mainSlimeVR#1' at java.net.Inet6AddressImpl.lookupAllHostAddr(Inet6AddressImpl.java:-1)
Breakpoint reached
	at java.net.Inet6AddressImpl.lookupAllHostAddr(Inet6AddressImpl.java:-1)
	at java.net.Inet6AddressImpl.lookupAllHostAddr(Inet6AddressImpl.java:52)
	at java.net.InetAddress$PlatformResolver.lookupByName(InetAddress.java:1134)
	at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1712)
	at java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:1060)
	at java.net.InetAddress.getAllByName0(InetAddress.java:1702)
	at java.net.InetAddress.getLocalHost(InetAddress.java:1796)
	at io.klogging.internal.KloggingEngine_jvmKt.<clinit>(KloggingEngine.jvm.kt:26)
	at io.klogging.events.LogEvent.<init>(LogEvent.kt:51)
	at io.klogging.BaseLogger.eventFrom(BaseLogger.kt:108)
	at io.klogging.impl.KloggerImpl.eventFrom(KloggerImpl.kt:39)
	at io.klogging.impl.KloggerImpl.emitEvent(KloggerImpl.kt:57)
	at io.klogging.Klogger.emitEvent$default(Klogger.kt:48)
	at io.klogging.Klogger.log$suspendImpl(Klogger.kt:123)
	at io.klogging.Klogger.log(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.log(KloggerImpl.kt:39)
	at io.klogging.Klogger.info$suspendImpl(Klogger.kt:323)
	at io.klogging.Klogger.info(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.info(KloggerImpl.kt:39)
	at dev.slimevr.logging.LoggerKt.configureLogging(logger.kt:74)
	at dev.slimevr.logging.LoggerKt.configureLogging$default(logger.kt:48)
	at dev.slimevr.desktop.LoggingKt.setupDesktopLogging(logging.kt:13)
	at dev.slimevr.desktop.Main$main$1.invokeSuspend(Main.kt:62)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith$$$capture(ContinuationImpl.kt:34)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:-1)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:94)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:70)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source:1)
	at dev.slimevr.desktop.Main.main(Main.kt:61)
Exception 'java.net.UnknownHostException' occurred in thread 'main @mainSlimeVR#1' at java.net.InetAddress$PlatformResolver.lookupByName(InetAddress.java:1137)
Breakpoint reached
	at java.net.InetAddress$PlatformResolver.lookupByName(InetAddress.java:1137)
	at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1712)
	at java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:1060)
	at java.net.InetAddress.getAllByName0(InetAddress.java:1702)
	at java.net.InetAddress.getLocalHost(InetAddress.java:1796)
	at io.klogging.internal.KloggingEngine_jvmKt.<clinit>(KloggingEngine.jvm.kt:26)
	at io.klogging.events.LogEvent.<init>(LogEvent.kt:51)
	at io.klogging.BaseLogger.eventFrom(BaseLogger.kt:108)
	at io.klogging.impl.KloggerImpl.eventFrom(KloggerImpl.kt:39)
	at io.klogging.impl.KloggerImpl.emitEvent(KloggerImpl.kt:57)
	at io.klogging.Klogger.emitEvent$default(Klogger.kt:48)
	at io.klogging.Klogger.log$suspendImpl(Klogger.kt:123)
	at io.klogging.Klogger.log(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.log(KloggerImpl.kt:39)
	at io.klogging.Klogger.info$suspendImpl(Klogger.kt:323)
	at io.klogging.Klogger.info(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.info(KloggerImpl.kt:39)
	at dev.slimevr.logging.LoggerKt.configureLogging(logger.kt:74)
	at dev.slimevr.logging.LoggerKt.configureLogging$default(logger.kt:48)
	at dev.slimevr.desktop.LoggingKt.setupDesktopLogging(logging.kt:13)
	at dev.slimevr.desktop.Main$main$1.invokeSuspend(Main.kt:62)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith$$$capture(ContinuationImpl.kt:34)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:-1)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:94)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:70)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source:1)
	at dev.slimevr.desktop.Main.main(Main.kt:61)
Exception 'java.net.UnknownHostException' occurred in thread 'main @mainSlimeVR#1' at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1727)
Breakpoint reached
	at java.net.InetAddress.getAddressesFromNameService(InetAddress.java:1727)
	at java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:1060)
	at java.net.InetAddress.getAllByName0(InetAddress.java:1702)
	at java.net.InetAddress.getLocalHost(InetAddress.java:1796)
	at io.klogging.internal.KloggingEngine_jvmKt.<clinit>(KloggingEngine.jvm.kt:26)
	at io.klogging.events.LogEvent.<init>(LogEvent.kt:51)
	at io.klogging.BaseLogger.eventFrom(BaseLogger.kt:108)
	at io.klogging.impl.KloggerImpl.eventFrom(KloggerImpl.kt:39)
	at io.klogging.impl.KloggerImpl.emitEvent(KloggerImpl.kt:57)
	at io.klogging.Klogger.emitEvent$default(Klogger.kt:48)
	at io.klogging.Klogger.log$suspendImpl(Klogger.kt:123)
	at io.klogging.Klogger.log(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.log(KloggerImpl.kt:39)
	at io.klogging.Klogger.info$suspendImpl(Klogger.kt:323)
	at io.klogging.Klogger.info(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.info(KloggerImpl.kt:39)
	at dev.slimevr.logging.LoggerKt.configureLogging(logger.kt:74)
	at dev.slimevr.logging.LoggerKt.configureLogging$default(logger.kt:48)
	at dev.slimevr.desktop.LoggingKt.setupDesktopLogging(logging.kt:13)
	at dev.slimevr.desktop.Main$main$1.invokeSuspend(Main.kt:62)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith$$$capture(ContinuationImpl.kt:34)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:-1)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:94)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:70)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source:1)
	at dev.slimevr.desktop.Main.main(Main.kt:61)
Exception 'java.net.UnknownHostException' occurred in thread 'main @mainSlimeVR#1' at java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:1104)
Breakpoint reached
	at java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:1104)
	at java.net.InetAddress.getAllByName0(InetAddress.java:1702)
	at java.net.InetAddress.getLocalHost(InetAddress.java:1796)
	at io.klogging.internal.KloggingEngine_jvmKt.<clinit>(KloggingEngine.jvm.kt:26)
	at io.klogging.events.LogEvent.<init>(LogEvent.kt:51)
	at io.klogging.BaseLogger.eventFrom(BaseLogger.kt:108)
	at io.klogging.impl.KloggerImpl.eventFrom(KloggerImpl.kt:39)
	at io.klogging.impl.KloggerImpl.emitEvent(KloggerImpl.kt:57)
	at io.klogging.Klogger.emitEvent$default(Klogger.kt:48)
	at io.klogging.Klogger.log$suspendImpl(Klogger.kt:123)
	at io.klogging.Klogger.log(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.log(KloggerImpl.kt:39)
	at io.klogging.Klogger.info$suspendImpl(Klogger.kt:323)
	at io.klogging.Klogger.info(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.info(KloggerImpl.kt:39)
	at dev.slimevr.logging.LoggerKt.configureLogging(logger.kt:74)
	at dev.slimevr.logging.LoggerKt.configureLogging$default(logger.kt:48)
	at dev.slimevr.desktop.LoggingKt.setupDesktopLogging(logging.kt:13)
	at dev.slimevr.desktop.Main$main$1.invokeSuspend(Main.kt:62)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith$$$capture(ContinuationImpl.kt:34)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:-1)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:94)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:70)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source:1)
	at dev.slimevr.desktop.Main.main(Main.kt:61)
Exception 'java.net.UnknownHostException' occurred in thread 'main @mainSlimeVR#1' at java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:1111)
Breakpoint reached
	at java.net.InetAddress$NameServiceAddresses.get(InetAddress.java:1111)
	at java.net.InetAddress.getAllByName0(InetAddress.java:1702)
	at java.net.InetAddress.getLocalHost(InetAddress.java:1796)
	at io.klogging.internal.KloggingEngine_jvmKt.<clinit>(KloggingEngine.jvm.kt:26)
	at io.klogging.events.LogEvent.<init>(LogEvent.kt:51)
	at io.klogging.BaseLogger.eventFrom(BaseLogger.kt:108)
	at io.klogging.impl.KloggerImpl.eventFrom(KloggerImpl.kt:39)
	at io.klogging.impl.KloggerImpl.emitEvent(KloggerImpl.kt:57)
	at io.klogging.Klogger.emitEvent$default(Klogger.kt:48)
	at io.klogging.Klogger.log$suspendImpl(Klogger.kt:123)
	at io.klogging.Klogger.log(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.log(KloggerImpl.kt:39)
	at io.klogging.Klogger.info$suspendImpl(Klogger.kt:323)
	at io.klogging.Klogger.info(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.info(KloggerImpl.kt:39)
	at dev.slimevr.logging.LoggerKt.configureLogging(logger.kt:74)
	at dev.slimevr.logging.LoggerKt.configureLogging$default(logger.kt:48)
	at dev.slimevr.desktop.LoggingKt.setupDesktopLogging(logging.kt:13)
	at dev.slimevr.desktop.Main$main$1.invokeSuspend(Main.kt:62)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith$$$capture(ContinuationImpl.kt:34)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:-1)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:94)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:70)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source:1)
	at dev.slimevr.desktop.Main.main(Main.kt:61)
Exception 'java.net.UnknownHostException' occurred in thread 'main @mainSlimeVR#1' at java.net.InetAddress.getLocalHost(InetAddress.java:1803)
Breakpoint reached
	at java.net.InetAddress.getLocalHost(InetAddress.java:1803)
	at io.klogging.internal.KloggingEngine_jvmKt.<clinit>(KloggingEngine.jvm.kt:26)
	at io.klogging.events.LogEvent.<init>(LogEvent.kt:51)
	at io.klogging.BaseLogger.eventFrom(BaseLogger.kt:108)
	at io.klogging.impl.KloggerImpl.eventFrom(KloggerImpl.kt:39)
	at io.klogging.impl.KloggerImpl.emitEvent(KloggerImpl.kt:57)
	at io.klogging.Klogger.emitEvent$default(Klogger.kt:48)
	at io.klogging.Klogger.log$suspendImpl(Klogger.kt:123)
	at io.klogging.Klogger.log(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.log(KloggerImpl.kt:39)
	at io.klogging.Klogger.info$suspendImpl(Klogger.kt:323)
	at io.klogging.Klogger.info(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.info(KloggerImpl.kt:39)
	at dev.slimevr.logging.LoggerKt.configureLogging(logger.kt:74)
	at dev.slimevr.logging.LoggerKt.configureLogging$default(logger.kt:48)
	at dev.slimevr.desktop.LoggingKt.setupDesktopLogging(logging.kt:13)
	at dev.slimevr.desktop.Main$main$1.invokeSuspend(Main.kt:62)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith$$$capture(ContinuationImpl.kt:34)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:-1)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:94)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:70)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source:1)
	at dev.slimevr.desktop.Main.main(Main.kt:61)
Exception 'java.lang.NullPointerException' occurred in thread 'main @mainSlimeVR#1' at kotlin.jvm.internal.Intrinsics.throwParameterIsNullNPE(Intrinsics.java:140)
Breakpoint reached
	at kotlin.jvm.internal.Intrinsics.throwParameterIsNullNPE(Intrinsics.java:140)
	at kotlin.jvm.internal.Intrinsics.checkNotNullParameter(Intrinsics.java:131)
	at io.klogging.events.LogEvent.<init>(LogEvent.kt:48)
	at io.klogging.events.LogEvent.<init>(LogEvent.kt:48)
	at io.klogging.BaseLogger.eventFrom(BaseLogger.kt:108)
	at io.klogging.impl.NoCoLoggerImpl.eventFrom(NoCoLoggerImpl.kt:41)
	at io.klogging.impl.NoCoLoggerImpl.emitEvent(NoCoLoggerImpl.kt:66)
	at io.klogging.NoCoLogger.emitEvent$default(NoCoLogger.kt:43)
	at io.klogging.NoCoLogger.log(NoCoLogger.kt:79)
	at io.klogging.impl.NoCoLoggerImpl.log(NoCoLoggerImpl.kt:41)
	at dev.slimevr.logging.LineLogger.write(standard-streams.kt:36)
	at java.io.OutputStream.write(OutputStream.java:167)
	at java.io.PrintStream.write(PrintStream.java:539)
	at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:220)
	at sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:315)
	at sun.nio.cs.StreamEncoder.flushBuffer(StreamEncoder.java:101)
	at java.io.OutputStreamWriter.flushBuffer(OutputStreamWriter.java:179)
	at java.io.PrintStream.writeln(PrintStream.java:690)
	at java.io.PrintStream.println(PrintStream.java:1004)
	at io.klogging.internal.PrintErr_jvmKt.printErr(PrintErr.jvm.kt:21)
	at io.klogging.internal.InternalLoggingKt.log(InternalLogging.kt:64)
	at io.klogging.internal.InternalLoggingKt.warn(InternalLogging.kt:127)
	at io.klogging.internal.KloggingEngine_jvmKt.<clinit>(KloggingEngine.jvm.kt:28)
	at io.klogging.events.LogEvent.<init>(LogEvent.kt:51)
	at io.klogging.BaseLogger.eventFrom(BaseLogger.kt:108)
	at io.klogging.impl.KloggerImpl.eventFrom(KloggerImpl.kt:39)
	at io.klogging.impl.KloggerImpl.emitEvent(KloggerImpl.kt:57)
	at io.klogging.Klogger.emitEvent$default(Klogger.kt:48)
	at io.klogging.Klogger.log$suspendImpl(Klogger.kt:123)
	at io.klogging.Klogger.log(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.log(KloggerImpl.kt:39)
	at io.klogging.Klogger.info$suspendImpl(Klogger.kt:323)
	at io.klogging.Klogger.info(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.info(KloggerImpl.kt:39)
	at dev.slimevr.logging.LoggerKt.configureLogging(logger.kt:74)
	at dev.slimevr.logging.LoggerKt.configureLogging$default(logger.kt:48)
	at dev.slimevr.desktop.LoggingKt.setupDesktopLogging(logging.kt:13)
	at dev.slimevr.desktop.Main$main$1.invokeSuspend(Main.kt:62)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith$$$capture(ContinuationImpl.kt:34)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:-1)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:94)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:70)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source:1)
	at dev.slimevr.desktop.Main.main(Main.kt:61)
Exception 'java.lang.NullPointerException' occurred in thread 'main @mainSlimeVR#1' at java.io.PrintStream.write(PrintStream.java:542)
Breakpoint reached
	at java.io.PrintStream.write(PrintStream.java:542)
	at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:220)
	at sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:315)
	at sun.nio.cs.StreamEncoder.flushBuffer(StreamEncoder.java:101)
	at java.io.OutputStreamWriter.flushBuffer(OutputStreamWriter.java:179)
	at java.io.PrintStream.writeln(PrintStream.java:690)
	at java.io.PrintStream.println(PrintStream.java:1004)
	at io.klogging.internal.PrintErr_jvmKt.printErr(PrintErr.jvm.kt:21)
	at io.klogging.internal.InternalLoggingKt.log(InternalLogging.kt:64)
	at io.klogging.internal.InternalLoggingKt.warn(InternalLogging.kt:127)
	at io.klogging.internal.KloggingEngine_jvmKt.<clinit>(KloggingEngine.jvm.kt:28)
	at io.klogging.events.LogEvent.<init>(LogEvent.kt:51)
	at io.klogging.BaseLogger.eventFrom(BaseLogger.kt:108)
	at io.klogging.impl.KloggerImpl.eventFrom(KloggerImpl.kt:39)
	at io.klogging.impl.KloggerImpl.emitEvent(KloggerImpl.kt:57)
	at io.klogging.Klogger.emitEvent$default(Klogger.kt:48)
	at io.klogging.Klogger.log$suspendImpl(Klogger.kt:123)
	at io.klogging.Klogger.log(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.log(KloggerImpl.kt:39)
	at io.klogging.Klogger.info$suspendImpl(Klogger.kt:323)
	at io.klogging.Klogger.info(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.info(KloggerImpl.kt:39)
	at dev.slimevr.logging.LoggerKt.configureLogging(logger.kt:74)
	at dev.slimevr.logging.LoggerKt.configureLogging$default(logger.kt:48)
	at dev.slimevr.desktop.LoggingKt.setupDesktopLogging(logging.kt:13)
	at dev.slimevr.desktop.Main$main$1.invokeSuspend(Main.kt:62)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith$$$capture(ContinuationImpl.kt:34)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:-1)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:94)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:70)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source:1)
	at dev.slimevr.desktop.Main.main(Main.kt:61)
Exception 'java.lang.NullPointerException' occurred in thread 'main @mainSlimeVR#1' at sun.nio.cs.StreamEncoder.flushBuffer(StreamEncoder.java:104)
Breakpoint reached
	at sun.nio.cs.StreamEncoder.flushBuffer(StreamEncoder.java:104)
	at java.io.OutputStreamWriter.flushBuffer(OutputStreamWriter.java:179)
	at java.io.PrintStream.writeln(PrintStream.java:690)
	at java.io.PrintStream.println(PrintStream.java:1004)
	at io.klogging.internal.PrintErr_jvmKt.printErr(PrintErr.jvm.kt:21)
	at io.klogging.internal.InternalLoggingKt.log(InternalLogging.kt:64)
	at io.klogging.internal.InternalLoggingKt.warn(InternalLogging.kt:127)
	at io.klogging.internal.KloggingEngine_jvmKt.<clinit>(KloggingEngine.jvm.kt:28)
	at io.klogging.events.LogEvent.<init>(LogEvent.kt:51)
	at io.klogging.BaseLogger.eventFrom(BaseLogger.kt:108)
	at io.klogging.impl.KloggerImpl.eventFrom(KloggerImpl.kt:39)
	at io.klogging.impl.KloggerImpl.emitEvent(KloggerImpl.kt:57)
	at io.klogging.Klogger.emitEvent$default(Klogger.kt:48)
	at io.klogging.Klogger.log$suspendImpl(Klogger.kt:123)
	at io.klogging.Klogger.log(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.log(KloggerImpl.kt:39)
	at io.klogging.Klogger.info$suspendImpl(Klogger.kt:323)
	at io.klogging.Klogger.info(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.info(KloggerImpl.kt:39)
	at dev.slimevr.logging.LoggerKt.configureLogging(logger.kt:74)
	at dev.slimevr.logging.LoggerKt.configureLogging$default(logger.kt:48)
	at dev.slimevr.desktop.LoggingKt.setupDesktopLogging(logging.kt:13)
	at dev.slimevr.desktop.Main$main$1.invokeSuspend(Main.kt:62)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith$$$capture(ContinuationImpl.kt:34)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:-1)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:94)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:70)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source:1)
	at dev.slimevr.desktop.Main.main(Main.kt:61)
Exception 'java.lang.NullPointerException' occurred in thread 'main @mainSlimeVR#1' at java.io.PrintStream.writeln(PrintStream.java:693)
Breakpoint reached
	at java.io.PrintStream.writeln(PrintStream.java:693)
	at java.io.PrintStream.println(PrintStream.java:1004)
	at io.klogging.internal.PrintErr_jvmKt.printErr(PrintErr.jvm.kt:21)
	at io.klogging.internal.InternalLoggingKt.log(InternalLogging.kt:64)
	at io.klogging.internal.InternalLoggingKt.warn(InternalLogging.kt:127)
	at io.klogging.internal.KloggingEngine_jvmKt.<clinit>(KloggingEngine.jvm.kt:28)
	at io.klogging.events.LogEvent.<init>(LogEvent.kt:51)
	at io.klogging.BaseLogger.eventFrom(BaseLogger.kt:108)
	at io.klogging.impl.KloggerImpl.eventFrom(KloggerImpl.kt:39)
	at io.klogging.impl.KloggerImpl.emitEvent(KloggerImpl.kt:57)
	at io.klogging.Klogger.emitEvent$default(Klogger.kt:48)
	at io.klogging.Klogger.log$suspendImpl(Klogger.kt:123)
	at io.klogging.Klogger.log(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.log(KloggerImpl.kt:39)
	at io.klogging.Klogger.info$suspendImpl(Klogger.kt:323)
	at io.klogging.Klogger.info(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.info(KloggerImpl.kt:39)
	at dev.slimevr.logging.LoggerKt.configureLogging(logger.kt:74)
	at dev.slimevr.logging.LoggerKt.configureLogging$default(logger.kt:48)
	at dev.slimevr.desktop.LoggingKt.setupDesktopLogging(logging.kt:13)
	at dev.slimevr.desktop.Main$main$1.invokeSuspend(Main.kt:62)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith$$$capture(ContinuationImpl.kt:34)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:-1)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:94)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:70)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source:1)
	at dev.slimevr.desktop.Main.main(Main.kt:61)
Exception 'java.lang.ExceptionInInitializerError' occurred in thread 'main @mainSlimeVR#1' at io.klogging.events.LogEvent.<init>(LogEvent.kt:51)
Breakpoint reached
	at io.klogging.events.LogEvent.<init>(LogEvent.kt:51)
	at io.klogging.BaseLogger.eventFrom(BaseLogger.kt:108)
	at io.klogging.impl.KloggerImpl.eventFrom(KloggerImpl.kt:39)
	at io.klogging.impl.KloggerImpl.emitEvent(KloggerImpl.kt:57)
	at io.klogging.Klogger.emitEvent$default(Klogger.kt:48)
	at io.klogging.Klogger.log$suspendImpl(Klogger.kt:123)
	at io.klogging.Klogger.log(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.log(KloggerImpl.kt:39)
	at io.klogging.Klogger.info$suspendImpl(Klogger.kt:323)
	at io.klogging.Klogger.info(Klogger.kt:-1)
	at io.klogging.impl.KloggerImpl.info(KloggerImpl.kt:39)
	at dev.slimevr.logging.LoggerKt.configureLogging(logger.kt:74)
	at dev.slimevr.logging.LoggerKt.configureLogging$default(logger.kt:48)
	at dev.slimevr.desktop.LoggingKt.setupDesktopLogging(logging.kt:13)
	at dev.slimevr.desktop.Main$main$1.invokeSuspend(Main.kt:62)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith$$$capture(ContinuationImpl.kt:34)
	at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:-1)
	at kotlinx.coroutines.DispatchedTask.run(DispatchedTask.kt:100)
	at kotlinx.coroutines.EventLoopImplBase.processNextEvent(EventLoop.common.kt:263)
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:94)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:70)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source:1)
	at dev.slimevr.desktop.Main.main(Main.kt:61)
Exception 'java.lang.ExceptionInInitializerError' occurred in thread 'main' at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:108)
Breakpoint reached
	at kotlinx.coroutines.BlockingCoroutine.joinBlocking(Builders.kt:108)
	at kotlinx.coroutines.BuildersKt__BuildersKt.runBlocking(Builders.kt:70)
	at kotlinx.coroutines.BuildersKt.runBlocking(Unknown Source:1)
	at dev.slimevr.desktop.Main.main(Main.kt:61)
Exception 'java.lang.NoClassDefFoundError' occurred in thread 'main' at java.io.PrintStream.write(PrintStream.java:542)
Breakpoint reached
	at java.io.PrintStream.write(PrintStream.java:542)
	at sun.nio.cs.StreamEncoder.writeBytes(StreamEncoder.java:220)
	at sun.nio.cs.StreamEncoder.implFlushBuffer(StreamEncoder.java:315)
	at sun.nio.cs.StreamEncoder.flushBuffer(StreamEncoder.java:101)
	at java.io.OutputStreamWriter.flushBuffer(OutputStreamWriter.java:179)
	at java.io.PrintStream.writeln(PrintStream.java:690)
	at java.io.PrintStream.println(PrintStream.java:1027)
	at java.lang.Throwable$WrappedPrintStream.println(Throwable.java:790)
	at java.lang.Throwable.printStackTrace(Throwable.java:697)
	at java.lang.Throwable.printStackTrace(Throwable.java:686)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:579)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:571)
	at java.lang.Thread.dispatchUncaughtException(Thread.java:2556)
Exception 'java.lang.NoClassDefFoundError' occurred in thread 'main' at sun.nio.cs.StreamEncoder.flushBuffer(StreamEncoder.java:104)
Breakpoint reached
	at sun.nio.cs.StreamEncoder.flushBuffer(StreamEncoder.java:104)
	at java.io.OutputStreamWriter.flushBuffer(OutputStreamWriter.java:179)
	at java.io.PrintStream.writeln(PrintStream.java:690)
	at java.io.PrintStream.println(PrintStream.java:1027)
	at java.lang.Throwable$WrappedPrintStream.println(Throwable.java:790)
	at java.lang.Throwable.printStackTrace(Throwable.java:697)
	at java.lang.Throwable.printStackTrace(Throwable.java:686)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:579)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:571)
	at java.lang.Thread.dispatchUncaughtException(Thread.java:2556)
Exception 'java.lang.NoClassDefFoundError' occurred in thread 'main' at java.io.PrintStream.writeln(PrintStream.java:693)
Breakpoint reached
	at java.io.PrintStream.writeln(PrintStream.java:693)
	at java.io.PrintStream.println(PrintStream.java:1027)
	at java.lang.Throwable$WrappedPrintStream.println(Throwable.java:790)
	at java.lang.Throwable.printStackTrace(Throwable.java:697)
	at java.lang.Throwable.printStackTrace(Throwable.java:686)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:579)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:571)
	at java.lang.Thread.dispatchUncaughtException(Thread.java:2556)
Exception 'java.lang.NoClassDefFoundError' occurred in thread 'main' at java.lang.Throwable.printStackTrace(Throwable.java:710)
Breakpoint reached
	at java.lang.Throwable.printStackTrace(Throwable.java:710)
	at java.lang.Throwable.printStackTrace(Throwable.java:686)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:579)
	at java.lang.ThreadGroup.uncaughtException(ThreadGroup.java:571)
	at java.lang.Thread.dispatchUncaughtException(Thread.java:2556)
Disconnected from the target VM, address: 'localhost:35355', transport: 'socket'
@ImSapphire
Fix feedback sound not playing when setting volume to its original st…
4eae293 
…ate at the time the page loaded
@ImSapphire
Avoid allocating objects and immediately throwing them away in create…
efbf040 
…Bone
@ImSapphire
Update SolarXR
d474795
@ImSapphire
Add 'Latest' flair/tag to sorted first version in DIY firmware tool
91da8c7
@Sebane1
Adjust bust logic
d21a4cc
@Sebane1
Merge remote-tracking branch 'upstream/server-rewrite' into main-exte…
f316acb 
…nded

# Conflicts:
#	gui/app/src/hooks/body-parts.ts
#	server/core/src/main/java/dev/slimevr/solarxr/rpc/resets.kt
#	solarxr-protocol
@Sebane1
Fix post merge references.
128a158
@Sebane1
Add posterior VRChat ouput
31e5fbc 
Remember to commit everything.

Add posterior processing.
@Sebane1
Add posterior VRChat output
5707d72 
Remember to commit everything.

Add posterior processing.
@Sebane1
Merge branch 'main-extended' of https://github.com/Sebane1/SlimeVR-Se…
82a7293 
…rver into main-extended
@ImSapphire
ImSapphire changed the base branch from main to server-rewrite September 23, 2026 18:14
Erimelowo
Erimelowo reviewed Sep 24, 2026
View reviewed changes
Comment thread gui/app/public/i18n/en/translation.ftl Outdated
Erimelowo
Erimelowo reviewed Sep 24, 2026
View reviewed changes
Comment thread server/core/src/main/java/dev/slimevr/vrcosc/posterior-plugin-output-encoder.kt Outdated

private fun getDeltaTimeSeconds(): Float {
val now =
System.nanoTime()

@Erimelowo Erimelowo Sep 24, 2026

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Use methods in time.kt along with the Kotlin Time

Erimelowo
Erimelowo reviewed Sep 24, 2026
View reviewed changes
Comment thread server/core/src/main/java/dev/slimevr/vrcosc/tail-plugin-output-encoder.kt Outdated
val baseRelative = hipRot.inv() * tailRot

val baseEuler = baseRelative.toEulerAngles(EulerOrder.XYZ)
val basePitch = Math.toDegrees(baseEuler.x.toDouble()).toFloat()

@Erimelowo Erimelowo Sep 24, 2026

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Instead of doing Math.toDegrees and having to cast twice, just multiply by FastMath.RAD_TO_DEG

Erimelowo
Erimelowo reviewed Sep 24, 2026
View reviewed changes
Comment thread server/core/src/main/java/dev/slimevr/vrcosc/posterior-plugin-output-encoder.kt Outdated
return dt
}

companion object {

@Erimelowo Erimelowo Sep 24, 2026

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Given that all your constants are private, no need to use a companion object. Just have them at the top of the file; outside the class.

@Sebane1
Sebane1 force-pushed the main-extended branch 2 times, most recently from 15d6532 to 82a7293 Compare September 25, 2026 00:19
Sebane1 and others added 18 commits September 24, 2026 19:27
@Sebane1 @Erimelowo
Update gui/app/public/i18n/en/translation.ftl
9a4a351 
Co-authored-by: Erimel <marioluigivideo@gmail.com>
@Sebane1
Use faster math, and move constants for VRCOSC output encoders.
a95c6fa
@Sebane1
Merge branch 'main-extended' of https://github.com/Sebane1/SlimeVR-Se…
c11d69c 
…rver into main-extended

# Conflicts:
#	gui/app/public/i18n/en/translation.ftl
@Sebane1
Merge remote-tracking branch 'upstream/server-rewrite' into main-exte…
85db74a 
…nded

# Conflicts:
#	gui/app/public/i18n/en/translation.ftl
#	gui/app/public/models/skeleton/chest.gltf
#	gui/app/public/models/skeleton/foot.gltf
#	gui/app/public/models/skeleton/head.gltf
#	gui/app/public/models/skeleton/upper_arm.gltf
#	gui/app/src/components/commons/BodyPartIcon.tsx
#	gui/app/src/components/commons/PersonFrontIcon.tsx
#	gui/app/src/components/onboarding/BodyPartAssignment.tsx
#	gui/app/src/components/onboarding/pages/body-proportions/HeightInput.tsx
#	gui/app/src/components/onboarding/pages/body-proportions/ScaledProportions.tsx
#	gui/app/src/components/settings/pages/components/ResetsSettings.tsx
#	gui/app/src/components/tracker/TrackerSettings.tsx
#	gui/app/src/components/widgets/SkeletonVisualizerWidget.tsx
#	gui/app/src/hooks/body-parts.ts
#	gui/app/src/hooks/onboarding.ts
#	gui/app/src/hooks/tracker-picker.ts
#	gui/app/src/utils/skeletonHelper.ts
#	gui/app/src/utils/skeletonMeshHelper.ts
#	gui/app/src/utils/skeletonParts.ts
#	server/core/src/main/java/dev/slimevr/config/settings.kt
#	server/core/src/main/java/dev/slimevr/event-dispatcher.kt
#	server/core/src/main/java/dev/slimevr/hid/behaviours/register.kt
#	server/core/src/main/java/dev/slimevr/resets/bodypart-sets.kt
#	server/core/src/main/java/dev/slimevr/resets/module.kt
#	server/core/src/main/java/dev/slimevr/skeleton/behaviours.kt
#	server/core/src/main/java/dev/slimevr/skeleton/bodypart-structure.kt
#	server/core/src/main/java/dev/slimevr/skeleton/computedprocessors/velocity.kt
#	server/core/src/main/java/dev/slimevr/skeleton/fkprocessors/localizer.kt
#	server/core/src/main/java/dev/slimevr/skeleton/inputprocessors/bone-direct-link.kt
#	server/core/src/main/java/dev/slimevr/skeleton/module.kt
#	server/core/src/main/java/dev/slimevr/skeleton/proportions.kt
#	server/core/src/main/java/dev/slimevr/skeleton/reducer.kt
#	server/core/src/main/java/dev/slimevr/skeleton/targetprocessors/floor-clip.kt
#	server/core/src/main/java/dev/slimevr/skeleton/targetprocessors/skating-correction.kt
#	server/core/src/main/java/dev/slimevr/solarxr/rpc/resets.kt
#	server/core/src/main/java/dev/slimevr/tracker/behaviours/calibration-refresh.kt
#	server/core/src/main/java/dev/slimevr/tracker/behaviours/to-skeleton.kt
#	server/core/src/main/java/dev/slimevr/tracker/module.kt
#	server/core/src/main/java/dev/slimevr/tracker/reducer.kt
#	server/core/src/main/java/dev/slimevr/tracker/session-calibration.kt
#	server/core/src/main/java/dev/slimevr/trackingchecklist/behaviours.kt
#	server/core/src/main/java/dev/slimevr/vmc/mapping.kt
#	server/core/src/main/java/dev/slimevr/vmc/output-encoder.kt
#	server/core/src/test/java/dev/slimevr/TestServer.kt
#	server/core/src/test/java/dev/slimevr/tracker/PolarityTrackingTest.kt
#	solarxr-protocol
@Sebane1
Update skeleton preview model with bust and posterior meshes.
0575b7a
@Sebane1
Adjust materials.
8bddfc4
@Sebane1
Move visual offsets from GUI to server, rewrite accelerometer physics…
7a19679 
… offsets to input processors.
@Sebane1
Merge remote-tracking branch 'upstream/server-rewrite' into main-exte…
9de5c72 
…nded

# Conflicts:
#	solarxr-protocol
@Sebane1
Tune physics, and remove acceleration gain.
54a198a
@Sebane1
Merge branch 'Physics-Fix' into main-extended
1969ff7
@Sebane1
Merge remote-tracking branch 'upstream/server-rewrite' into main-exte…
c1e2a46 
…nded

# Conflicts:
#	solarxr-protocol
@Sebane1
Add scaling constants for bust and posterior.
502794b
@Sebane1
Fix android build missing declarations for custom osc parametsrs.
1b61fe9
@Sebane1
Fix lint error?
b99ee4f
@Sebane1
Update submodule.
156c278
@Sebane1
Merge remote-tracking branch 'upstream/server-rewrite' into main-exte…
54481ed 
…nded

# Conflicts:
#	.gitignore
#	gui/app/src/components/settings/SettingsSidebar.tsx
#	server/android/src/main/java/dev/slimevr/android/ForegroundService.kt
#	server/core/src/main/java/dev/slimevr/skeleton/proportions.kt
#	server/desktop/src/main/java/dev/slimevr/desktop/Main.kt
@Sebane1
Fix post merge errors.
3fcf5d2
@Sebane1
Merge remote-tracking branch 'upstream/server-rewrite' into main-exte…
8c47c8b 
…nded

# Conflicts:
#	server/android/src/main/java/dev/slimevr/android/serial/serial.kt
#	server/core/src/main/java/dev/slimevr/skeleton/module.kt
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Reviewers

@Erimelowo Erimelowo Erimelowo left review comments
@ButterscotchV ButterscotchV Awaiting requested review from ButterscotchV ButterscotchV will be requested when the pull request is marked ready for review ButterscotchV is a code owner
@loucass003 loucass003 Awaiting requested review from loucass003 loucass003 will be requested when the pull request is marked ready for review loucass003 is a code owner

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7 participants

@Sebane1 @Erimelowo @ImSapphire @loucass003 @abb128 @ButterscotchV @SlimeVR-bot