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LandOfRails / LandOfSignals

Minecraft railroad signal mod for Minecraft written by the LandOfRails Management.
https://discord.gg/ykAqHKYjVM
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Manipulator does not work in Multiplayer (NullPointer client-side) #143

Closed Danielxs01 closed 5 months ago

Danielxs01 commented 5 months ago

BUG

Manipulator does not work in Multiplayer (NullPointer client-side)

Stacktrace

        java.lang.NullPointerException: null
    at net.minecraftforge.fml.common.network.FMLOutboundHandler$OutboundTarget$5.selectNetworks(FMLOutboundHandler.java:162) ~[FMLOutboundHandler$OutboundTarget$5.class:?]
    at net.minecraftforge.fml.common.network.FMLOutboundHandler.write(FMLOutboundHandler.java:378) ~[FMLOutboundHandler.class:?]
    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:730) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:816) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:723) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:111) ~[MessageToMessageEncoder.class:4.1.9.Final]
    at io.netty.handler.codec.MessageToMessageCodec.write(MessageToMessageCodec.java:116) ~[MessageToMessageCodec.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:738) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.invokeWriteAndFlush(AbstractChannelHandlerContext.java:801) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:814) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:794) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.AbstractChannelHandlerContext.writeAndFlush(AbstractChannelHandlerContext.java:831) ~[AbstractChannelHandlerContext.class:4.1.9.Final]
    at io.netty.channel.DefaultChannelPipeline.writeAndFlush(DefaultChannelPipeline.java:1032) ~[DefaultChannelPipeline.class:4.1.9.Final]
    at io.netty.channel.AbstractChannel.writeAndFlush(AbstractChannel.java:296) ~[AbstractChannel.class:4.1.9.Final]
    at net.minecraftforge.fml.common.network.simpleimpl.SimpleNetworkWrapper.sendToAll(SimpleNetworkWrapper.java:236) [SimpleNetworkWrapper.class:?]
    at cam72cam.mod.net.Packet.sendToAll(Packet.java:108) [Packet.class:?]
    at net.landofrails.landofsignals.gui.GuiManipulator.send(GuiManipulator.java:390) [GuiManipulator.class:?]
    at net.landofrails.landofsignals.gui.GuiManipulator.draw(GuiManipulator.java:333) [GuiManipulator.class:?]
    at cam72cam.mod.gui.screen.IScreen.draw(IScreen.java:19) [IScreen.class:?]
    at cam72cam.mod.gui.screen.ScreenBuilder.func_73863_a(ScreenBuilder.java:105) [ScreenBuilder.class:?]
    at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:396) [ForgeHooksClient.class:?]
    at net.minecraft.client.renderer.EntityRenderer.func_181560_a(EntityRenderer.java:1124) [buq.class:?]
    at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1119) [bib.class:?]
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:398) [bib.class:?]
    at net.minecraft.client.main.Main.main(SourceFile:123) [Main.class:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_261]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_261]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_261]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_261]
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.12.jar:?]
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.12.jar:?]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_261]
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_261]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_261]
    at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_261]
    at org.multimc.onesix.OneSixLauncher.launchWithMainClass(OneSixLauncher.java:243) [NewLaunch.jar:?]
    at org.multimc.onesix.OneSixLauncher.launch(OneSixLauncher.java:278) [NewLaunch.jar:?]
    at org.multimc.EntryPoint.listen(EntryPoint.java:143) [NewLaunch.jar:?]
    at org.multimc.EntryPoint.main(EntryPoint.java:34) [NewLaunch.jar:?]

Other informations

This seems to be an issue with LandOfSignals. It will try to send the server-to-client packet to all from the client itself. This does not work and was not a great solution to begin with. This should be replaced.

Danielxs01 commented 5 months ago

Successfully tested changes in singleplayer and multiplayer.