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This is the support section for those modding with Forge. Help with modding goes in here, however, please keep in mind that this is not a Java school. You are expected to have basic knowledge of Java before posting here.

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  1. Documentation   (656624 visits to this link)

  2. ForgeGradle

    Help and support setting up your IDE and building mods with Gradle.

    5.4k
    posts

47410 topics in this forum

  1. Convert 1.8.9 to 1.16.5 one line

    By frontlisterd,   
    • 1 reply
    • 16.9k views

  2. [1.20.4] to open costume GUI for costume block requires a class i don't have

    By perromercenary00,   
    • 1 reply
    • 17.9k views

  3. Medieval Furnace MultiBlock

    By Re_Match,   
    • 1 reply
    • 37.7k views

  4. java.lang.VerifyError: Bad type on operand stack when posting custom events to the mod event bus

    By Julian Vennen,
    • 0 replies
    • 5.7k views

  5. [1.20.2] custom MobEffect.applyEffectTick method not working

    By ke_do,
    • 0 replies
    • 6.4k views

  6. [1.19.4] My Custom Projectile does not hit entities properly

    By RaguRaccoon,   
    • 4 replies
    • 34.6k views

  7. Split dimensions into different servers

    By Der_Vlapos,   
    • 0 replies
    • 7.7k views

  8. 1.19.4 Method addModifier from ItemAttributeModifierEvent do not update multimap attribute

    By Kettle5000,
    • 0 replies
    • 9.3k views

  9. Changes to Registering Configured Features from 1.19.2 to 1.19.3+

    By itzer,   
    • 2 replies
    • 33.4k views

  10. [1.15.2] Override vanilla block and/or properties

    By Asleep365,
    • 16 replies
    • 18.1k views

  11. How to make an Item Edible?

    By PixxiBunny,
    • 20 replies
    • 20.5k views

  12. Blockstates conversion, update all modded blocks on start?

    By Kikoz,   
    • 1 reply
    • 14.3k views

  13. [1.20.1] Need help with big block's collision box

    By Windokk,
    • 1 reply
    • 12.1k views

  14. Craft that renders the item and loses durability

    By Xemnys,
    • 2 replies
    • 12.5k views

  15. check if an item has my custom enchant

    By hanolab,   
    • 0 replies
    • 13.3k views

  16. Help with changing the client locale of Minecraft with mod code

    By Ensamisten,   
    • 3 replies
    • 17.8k views

  17. Adding a property to a custom block freezes Minecraft without giving an Exception

    By chipoodle,   
    • 1 reply
    • 18.9k views

  18. 1.19.2 - How to create a custom fire block?

    By DouglasRafael,
    • 1 reply
    • 7.6k views

  19. Help with LivingAttackEvent issues

    By BTen,   
    • 0 replies
    • 11.4k views

  20. Item working correctly on singleplayer, but incorrectly on servers

    By Kuikenpower,
    • 1 reply
    • 6.5k views

  21. [1.20+] How to detect if there is a player within 160 blocks (10 chunks) of the player [Forge]

    By RoyMods,   
    • 2 replies
    • 34.1k views

  22. The transparent parts of the texture were rendered black.

    By EDGW_,
    • 1 reply
    • 10.5k views

  23. Sync a levelchunk capability to client on PlayerEvent.

    By MatNX,
    • 0 replies
    • 6.4k views

  24. Level capability isnt saving.

    By MatNX,
    • 5 replies
    • 15.1k views

  25. Multiple simultaneous recipes in a single BlockEntity

    By Flerponius,   
    • 0 replies
    • 8.6k views

Announcements



  • Posts

    • TileEntity
      Better Combat causing game crash upon loading into world Minecraft Forge 1.20.1

      By TileEntity · Posted

      Add the full crash-report  
    • Veradigm
      Better Combat causing game crash upon loading into world Minecraft Forge 1.20.1

      By Veradigm · Posted

      Same problem when removing Sodium Embeddium and oculus __________ The game crashed whilst ticking entity Error: java.lang.NullPointerException: Cannot invoke "net.minecraft.client.player.LocalPlayer.getCapability(net.minecraftforge.common.capabilities.Capability)" because "net.minecraft.client.Minecraft.m_91087_().f_91074_" is null
    • morenotti
      can someone help me pls my game frezzes

      By morenotti · Posted

      https://privatebin.net/?0b840573a8db7fcb#8DPu21Wo8wdqDU4nNm1rTrv4GY7qpfDGR87zyWHiNLpB
    • R4L
      Capabilities don't sync with the client after PlayerClone event! (1.12.2)

      By R4L · Posted

      I am writing a code that stores String List in a player capability. And I need to sync it to client so I could access it via Minecraft.getMinecraft.player. I use messages for that and everything works fine until I work with the PlayerClone event. According to the logs it should work just fine but for some reason it just doesn't. You need to reconnect to the world to resync everything (messages do work when I use it in PlayerLoggedInEvent). Here is my code:   CapabilitySync.java public class CapabilitySync { @SubscribeEvent public void onPlayerLogsIn(PlayerLoggedInEvent event) { EntityPlayer player = event.player; //That thing works just fine NetworkHandler.channel.sendTo(new ServerToClient(player), (EntityPlayerMP) player); } @SubscribeEvent public void onPlayerClone(PlayerEvent.Clone event) { EntityPlayer player = event.getEntityPlayer(); IFolder folder = player.getCapability(FolderProvider.FOLDER_CAP, null); IFolder oldfolder = event.getOriginal().getCapability(FolderProvider.FOLDER_CAP, null); folder.setFolders(oldfolder.getFolders()); // This part doesn't work NetworkHandler.channel.sendTo(new ServerToClient(player), (EntityPlayerMP) player); } } NetworkHandler.java public class NetworkHandler { public static SimpleNetworkWrapper channel = NetworkRegistry.INSTANCE.newSimpleChannel(Reference.MODID); public static void init() { channel.registerMessage(ClientToServer.Handler.class, ClientToServer.class, 0, Side.SERVER); channel.registerMessage(ServerToClient.Handler.class, ServerToClient.class, 1, Side.CLIENT); } public static IThreadListener getThreadListener(MessageContext ctx) { return ctx.side == Side.SERVER ? (WorldServer) ctx.getServerHandler().player.world : getClientThreadListener(); } @SideOnly(Side.CLIENT) public static IThreadListener getClientThreadListener() { return Minecraft.getMinecraft(); } } ClientToServer / ServerToClient messages public class ClientToServer implements IMessage { private List<String> folders; private int folders_count; public ClientToServer () {} public ClientToServer (IFolder folder) { this.folders = folder.getFolders(); this.folders_count = folder.size(); } @Override public void fromBytes(ByteBuf buf) { folders = new ArrayList<>(); folders_count = buf.readInt(); for (int i = 0; i < folders_count; i++) { folders.add(ByteBufUtils.readUTF8String(buf)); } } @Override public void toBytes(ByteBuf buf) { buf.writeInt(folders_count); for (int i = 0; i < folders_count; i++) { ByteBufUtils.writeUTF8String(buf, folders.get(i)); } } public List<String> getFolders (){ return this.folders; } public static class Handler implements IMessageHandler<ClientToServer, IMessage> { @Override public IMessage onMessage(ClientToServer message, MessageContext ctx) { EntityPlayerMP serverPlayer = ctx.getServerHandler().player; NetworkHandler.getThreadListener(ctx).addScheduledTask(() -> { IFolder old_folders = serverPlayer.getCapability(FolderProvider.FOLDER_CAP, null); List<String> new_folders = message.getFolders(); old_folders.setFolders(new_folders); }); return null; } } } public class ServerToClient implements IMessage { private List<String> folders; private int folders_count; public ServerToClient() {} public ServerToClient(EntityPlayer server_player) { this.folders = server_player.getCapability(FolderProvider.FOLDER_CAP, null).getFolders(); this.folders_count = folders.size(); } @Override public void fromBytes(ByteBuf buf) { folders = new ArrayList<>(); folders_count = buf.readInt(); for (int i = 0; i < folders_count; i++) { folders.add(ByteBufUtils.readUTF8String(buf)); } } @Override public void toBytes(ByteBuf buf) { buf.writeInt(folders_count); for (int i = 0; i < folders_count; i++) { ByteBufUtils.writeUTF8String(buf, folders.get(i)); } } public List<String> getFolders (){ return this.folders; } public static class Handler implements IMessageHandler<ServerToClient, IMessage> { @Override public IMessage onMessage(ServerToClient message, MessageContext ctx) { NetworkHandler.getThreadListener(ctx).addScheduledTask(() -> { Minecraft mc = Minecraft.getMinecraft(); IFolder old_folders = mc.player.getCapability(FolderProvider.FOLDER_CAP, null); List<String> new_folders = message.getFolders(); old_folders.setFolders(new_folders); }); return null; } } ClientProxy.java (where I access the capability through a client player) public class ClientProxy extends CommonProxy { @SubscribeEvent public void onKeyInput(KeyInputEvent event) { if (Keybinds.KEY_u.isPressed()) { EntityPlayer playerSP = Minecraft.getMinecraft().player; IFolder folder = playerSP.getCapability(FolderProvider.FOLDER_CAP, null); folder.add("UUUUU"); NetworkHandler.channel.sendToServer(new ClientToServer(folder)); } else if (Keybinds.KEY_i.isPressed()) { EntityPlayer playerSP = Minecraft.getMinecraft().player; IFolder folder = playerSP.getCapability(FolderProvider.FOLDER_CAP, null); for (String f : folder.getFolders()) { String message = f; playerSP.sendMessage(new TextComponentString(message)); } }else if (Keybinds.KEY_o.isPressed()) { EntityPlayer playerSP = Minecraft.getMinecraft().player; IFolder folder = playerSP.getCapability(FolderProvider.FOLDER_CAP, null); Minecraft.getMinecraft().displayGuiScreen(new DefaultGUI(folder)); } } }  
    • zanegamerboy6005
      Error: java.lang.IllegalStateException: Accessing LegacyRandomSource from multiple threads

      By zanegamerboy6005 · Posted

      hi my name is zanegamerboy605 on xbox  

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