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Automaticlly accept all mod items and blocks into creative tab

Posted March 19, 20232 yr

Is there a more efficient way of accepting mod items and blocks into a creative tab?

I've tried the following code:

for (Item item : ForgeRegistries.ITEMS.getValues()) {
    event.accept(item.asItem());
}

for (Block block : ForgeRegistries.BLOCKS.getValues()) {
    event.accept(block.asItem());
}

but the game crashes the second I enter inventory.

I think it's a problem with the stack size being over 1 as stated in the crash report.

Any help?

Quote

March 19, 20232 yr

Posting code snippets out of context and not showing the error isn't going to get you much help.

We have no psychic powers.

Boilerplate:

If you don't post your logs/debug.log we can't help you. For curseforge you need to enable the forge debug.log in its minecraft settings. You should also post your crash report if you have one.

If there is no error in the log file and you don't have a crash report then post the launcher_log.txt from the minecraft folder. Again for curseforge this will be in your curseforge/minecraft/Install

Large files should be posted to a file sharing site like https://gist.github.com You should also read the support forum sticky post.

Quote

March 19, 20232 yr

Author

The following is written in the main java class:

public void addCreative(CreativeModeTabEvent.BuildContents event) {
       if (event.getTab() == CreativeTabInit.BASE_TAB) {
           for (Item item : ForgeRegistries.ITEMS.getValues()) {
               event.accept(item.asItem());
           }

           for (Block block : ForgeRegistries.BLOCKS.getValues()) {
               event.accept(block.asItem());
           }
       }
}

The following is written in the constructor of the class:

modEventBus.addListener(this::addCreative);

The following is the crash report:

---- Minecraft Crash Report ----
// Why did you do that?

Time: 2023-03-19 13:49:33
Description: Unexpected error

java.lang.IllegalArgumentException: Stack size must be exactly 1
	at net.minecraft.world.item.CreativeModeTab$ItemDisplayBuilder.accept(CreativeModeTab.java:308) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading}
	at net.minecraftforge.client.ForgeHooksClient.onCreativeModeTabBuildContents(ForgeHooksClient.java:1212) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading}
	at net.minecraft.world.item.CreativeModeTab.buildContents(CreativeModeTab.java:115) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.world.item.CreativeModeTabs.lambda$buildAllTabContents$27(CreativeModeTabs.java:1553) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B}
	at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?] {}
	at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?] {}
	at java.util.Iterator.forEachRemaining(Iterator.java:133) ~[?:?] {}
	at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1845) ~[?:?] {}
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?] {}
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?] {}
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] {}
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] {}
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] {}
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] {}
	at net.minecraft.world.item.CreativeModeTabs.buildAllTabContents(CreativeModeTabs.java:1552) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.world.item.CreativeModeTabs.tryRebuildTabContents(CreativeModeTabs.java:1572) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B}
	at net.minecraft.client.gui.screens.inventory.CreativeModeInventoryScreen.<init>(CreativeModeInventoryScreen.java:88) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.screens.inventory.InventoryScreen.init(InventoryScreen.java:50) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.screens.Screen.rebuildWidgets(Screen.java:429) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.gui.screens.Screen.init(Screen.java:419) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.setScreen(Minecraft.java:992) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.handleKeybinds(Minecraft.java:1928) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.tick(Minecraft.java:1793) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.runTick(Minecraft.java:1097) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.Minecraft.run(Minecraft.java:713) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
	at net.minecraft.client.main.Main.run(Main.java:212) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at net.minecraft.client.main.Main.main(Main.java:51) ~[forge-1.19.3-44.1.0_mapped_official_1.19.3-recomp.jar:?] {re:classloading,pl:runtimedistcleaner:A}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:?] {}
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[?:?] {}
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?] {}
	at java.lang.reflect.Method.invoke(Method.java:568) ~[?:?] {}
	at net.minecraftforge.fml.loading.targets.ForgeClientUserdevLaunchHandler.lambda$launchService$0(ForgeClientUserdevLaunchHandler.java:25) ~[fmlloader-1.19.3-44.1.0.jar:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:30) ~[modlauncher-10.0.8.jar:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:53) ~[modlauncher-10.0.8.jar:?] {}
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:71) ~[modlauncher-10.0.8.jar:?] {}
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:106) ~[modlauncher-10.0.8.jar:?] {}
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:77) ~[modlauncher-10.0.8.jar:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:26) ~[modlauncher-10.0.8.jar:?] {}
	at cpw.mods.modlauncher.BootstrapLaunchConsumer.accept(BootstrapLaunchConsumer.java:23) ~[modlauncher-10.0.8.jar:?] {}
	at cpw.mods.bootstraplauncher.BootstrapLauncher.main(BootstrapLauncher.java:141) ~[bootstraplauncher-1.1.2.jar:?] {}

Quote

March 19, 20232 yr

Add some debug for the results of your Block.asItem() calls.

I bet at least one of the is "minecraft:air", i.e. not registered/found so its count will be zero.

I would also guess that your ITEMS.getValues() contains those BlockItems anyway. Otherwise how are they are registered?

So the Block part is duplicate work.

Boilerplate:

If you don't post your logs/debug.log we can't help you. For curseforge you need to enable the forge debug.log in its minecraft settings. You should also post your crash report if you have one.

If there is no error in the log file and you don't have a crash report then post the launcher_log.txt from the minecraft folder. Again for curseforge this will be in your curseforge/minecraft/Install

Large files should be posted to a file sharing site like https://gist.github.com You should also read the support forum sticky post.

Quote

March 20, 20232 yr

Author

The following code worked but added all minecraft blocks and items to my creative tab.

for (Item item : ForgeRegistries.ITEMS.getValues()) {
        if (new ItemStack(item.asItem()).getCount() == 1) {
            event.accept(item.asItem());
        }
}

Is there any way I can filter them out?

Quote

March 20, 20232 yr

Don't you have your own DeferredRegister that contains your items?

public static final DeferredRegister<Item> MY_ITEMS = DeferredRegister.create(ForgeRegistries.ITEMS, MODID); 

then

for (RegistryObject<Item> itemRegistration : MY_ITEMS.getEntries()) {
  var item = itemRegistration.get();
  // do stuff
}

You also have the issue that you are adding every item to every tab. You need to check:

event.getTab()

is the tab you want.

Edited March 20, 20232 yr by warjort

Boilerplate:

If you don't post your logs/debug.log we can't help you. For curseforge you need to enable the forge debug.log in its minecraft settings. You should also post your crash report if you have one.

If there is no error in the log file and you don't have a crash report then post the launcher_log.txt from the minecraft folder. Again for curseforge this will be in your curseforge/minecraft/Install

Large files should be posted to a file sharing site like https://gist.github.com You should also read the support forum sticky post.

Quote

March 20, 20232 yr

Author

It finally worked! Thank you so much!

if (event.getTab() == CreativeTabInit.BASE_TAB) {
    for (RegistryObject<Item> item : ITEMS.getEntries()) {
        event.accept(item.get());
    }
}

Quote

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Automaticlly accept all mod items and blocks into creative tab

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