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Player LogIn event handler and command execution.


GibbDev
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GDay everybody!

Im quite new to modding and java in general. So my question is how do I do smth when certain player logs in?
Lets say i want to send tellraw message to everybody on server, granted I have uuid of a player coded into mod beforehand.

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So i managed to do it not via tellRaw class but rather executing comand from server:
player.getServer().getCommands().performCommand(player.getServer().createCommandSorceStack(), "/tellraw @a {\"text\":\"blah blah blah\"}");

Thanks for the help :)

 

Edited by GibbDev
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8 minutes ago, GibbDev said:

So i managed to do it not via tellRaw class but rather executing comand from server:
player.getServer().getCommands().performCommand(player.getServer().createCommandSorceStack(), "/tellraw @a {\"text\":\"blah blah blah\"}");

Thanks for the help :)

why would you want to do this via a command, you could simply send a message to the player (ServerPlayer#sendMessage)

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2 minutes ago, GibbDev said:

Cus I want to implement colours and links in message.
Also I know it can be and should be done with tellRawCommand class but my small brain cant get how to do it

ITextComponent allows you to color and format things. The JSON you give you tellraw is just the JSON representation of this, you could just as well construct it in code.

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1 minute ago, GibbDev said:

Im so confused with this text component class.
Is there guides or smth where I can get examples of its usage?

player.sendMessage(new TextComponent(message).withStyle(color), player.getUUID());

message is an String and color is ChatFormatting#? (BOLD,RED,GOLD, and so on)

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11 minutes ago, GibbDev said:

And what about multiple colours and other functions like hover text and links?

TextComponent works as an builder so you can use after withStyle, append then add a new string there then you can use withStyle again, and so on, ...
test a bit, send several messages to the player in the event with other styles

 

11 minutes ago, GibbDev said:

like hover text and links?

look at the SeedCommand class
the command use hover and linked text as output (msg after execute the command)

Edited by Luis_ST
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5 minutes ago, GibbDev said:

I cant figure out how to embed a link.
I use withClickEvent(ClickEvent.Action.OPEN_URL) but cant seem to find how exactly i would set link

withClickEvent needs an ClickEvent wich needs a ClickEvent.Action and an String, the String should be the URL

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I put this in code 
.withClickEvent(ClickEvent.Action.OPEN_URL, link)
and it thorws me this error
'withClickEvent(net.minecraft.network.chat.ClickEvent)' in 'net.minecraft.network.chat.Style' cannot be applied to '(net.minecraft.network.chat.ClickEvent.Action, java.lang.String)'

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Ye sry, Java isnt my strongest side and i wont say that i know it well.
Yeah it should be .withClickEvent(new ClickEvent(ClickEvent.Action.OPEN_URL, link))

Thank you guys very much. My small brain tends to lose on those obvious things.
Pleasure doing buisness with you.

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{re:classloading,pl:runtimedistcleaner:A}     at net.minecraftforge.fml.client.ClientModLoader$$Lambda$2920/168398198.run(Unknown Source) ~[?:?] {}     at net.minecraftforge.fml.client.ClientModLoader.lambda$createRunnableWithCatch$4(ClientModLoader.java:109) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}     at net.minecraftforge.fml.client.ClientModLoader$$Lambda$2921/1088649990.run(Unknown Source) ~[?:?] {}     at net.minecraftforge.fml.client.ClientModLoader.begin(ClientModLoader.java:89) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}     at net.minecraft.client.Minecraft.<init>(Minecraft.java:437) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}     at net.minecraft.client.main.Main.main(Main.java:149) [?:?] {re:classloading,pl:runtimedistcleaner:A}     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] {}     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] {}     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] {}     at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] {}     at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:37) [forge-1.16.5-36.2.39.jar:36.2] {}     at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$457/2095970915.call(Unknown Source) [forge-1.16.5-36.2.39.jar:36.2] {}     at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.1.3.jar:?] {}     at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.1.3.jar:?] {}     at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.1.3.jar:?] {}     at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.1.3.jar:?] {}     at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.1.3.jar:?] {} -- System Details -- Details:     Minecraft Version: 1.16.5     Minecraft Version ID: 1.16.5     Operating System: Windows 10 (amd64) version 10.0     Java Version: 1.8.0_51, Oracle Corporation     Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation     Memory: 886955560 bytes (845 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB)     CPUs: 8     JVM Flags: 10 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -XX:+IgnoreUnrecognizedVMOptions -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M     ModLauncher: 8.1.3+8.1.3+main-8.1.x.c94d18ec     ModLauncher launch target: fmlclient     ModLauncher naming: srg     ModLauncher services:          /mixin-0.8.4.jar mixin PLUGINSERVICE          /eventbus-4.0.0.jar eventbus PLUGINSERVICE          /forge-1.16.5-36.2.39.jar object_holder_definalize PLUGINSERVICE          /forge-1.16.5-36.2.39.jar runtime_enum_extender PLUGINSERVICE          /accesstransformers-3.0.1.jar accesstransformer PLUGINSERVICE          /forge-1.16.5-36.2.39.jar capability_inject_definalize PLUGINSERVICE          /forge-1.16.5-36.2.39.jar runtimedistcleaner PLUGINSERVICE          /mixin-0.8.4.jar mixin TRANSFORMATIONSERVICE          /forge-1.16.5-36.2.39.jar fml TRANSFORMATIONSERVICE      FML: 36.2     Forge: net.minecraftforge:36.2.39     FML Language Providers:          javafml@36.2         minecraft@1
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