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    SOLVED Créer un simple item

    1.7.x
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    • loustak
      loustak last edited by robin4002

      Bonjour,
      j’ai créer la base de mon mod avec le tutoriel, ensuite j’ai voulu créer un item cependant je trouve le tuto beaucoup moins clair que le premier, donc mon code ressemble à ça :

      package com.gmail.loustak347.common;

import net.minecraft.item.Item;
import cpw.mods.fml.common.Mod;
import cpw.mods.fml.common.Mod.EventHandler;
import cpw.mods.fml.common.Mod.Instance;
import cpw.mods.fml.common.event.FMLInitializationEvent;
import cpw.mods.fml.common.event.FMLPostInitializationEvent;
import cpw.mods.fml.common.event.FMLPreInitializationEvent;
import cpw.mods.fml.common.registry.GameRegistry;

@Mod(modid = "potionplus", name = "Potion+", version = "0.1")
public class PotionPlus {

@Instance("potionplus")
public static PotionPlus instance;
public static final String MODID = "potionplus";
public static Item testItem;
public class TestItem extends Item {
}

@EventHandler
public void preInit(FMLPreInitializationEvent event)
{
GameRegistry.registerItem(testItem, "item_test");
testItem = new TestItem().setUnlocalizedName("test").setTextureName(PotionPlus.MODID + ":testItem");
}

}

      Sauf que au lancement j’obtiens une erreur :

      [18:02:08] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[18:02:08] [main/INFO] [LaunchWrapper]: Using primary tweak class name cpw.mods.fml.common.launcher.FMLTweaker
[18:02:08] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLTweaker
[18:02:08] [main/INFO] [FML]: Forge Mod Loader version 7.2.211.1121 for Minecraft 1.7.2 loading
[18:02:08] [main/INFO] [FML]: Java is Java HotSpot(TM) 64-Bit Server VM, version 1.7.0_45, running on Windows 8:amd64:6.2, installed at C:\Program Files\Java\jre7
[18:02:08] [main/INFO] [FML]: Managed to load a deobfuscated Minecraft name- we are in a deobfuscated environment. Skipping runtime deobfuscation
[18:02:08] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[18:02:08] [main/INFO] [LaunchWrapper]: Loading tweak class name cpw.mods.fml.common.launcher.FMLDeobfTweaker
[18:02:08] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[18:02:08] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLInjectionAndSortingTweaker
[18:02:08] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[18:02:08] [main/ERROR] [FML]: The binary patch set is missing. Either you are in a development environment, or things are not going to work!
[18:02:08] [main/ERROR] [FML]: The minecraft jar file:/C:/Users/Lucas/.gradle/caches/minecraft/net/minecraftforge/forge/1.7.2-10.12.2.1121/forgeSrc-1.7.2-10.12.2.1121.jar!/net/minecraft/client/ClientBrandRetriever.class appears to be corrupt! There has been CRITICAL TAMPERING WITH MINECRAFT, it is highly unlikely minecraft will work! STOP NOW, get a clean copy and try again!
[18:02:08] [main/ERROR] [FML]: FML has been ordered to ignore the invalid or missing minecraft certificate. This is very likely to cause a problem!
[18:02:08] [main/ERROR] [FML]: Technical information: ClientBrandRetriever was at jar:file:/C:/Users/Lucas/.gradle/caches/minecraft/net/minecraftforge/forge/1.7.2-10.12.2.1121/forgeSrc-1.7.2-10.12.2.1121.jar!/net/minecraft/client/ClientBrandRetriever.class, there were 0 certificates for it
[18:02:08] [main/ERROR] [FML]: FML appears to be missing any signature data. This is not a good thing
[18:02:08] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.relauncher.CoreModManager$FMLPluginWrapper
[18:02:08] [main/INFO] [LaunchWrapper]: Calling tweak class cpw.mods.fml.common.launcher.FMLDeobfTweaker
[18:02:08] [main/INFO] [LaunchWrapper]: Launching wrapped minecraft {net.minecraft.client.main.Main}
[18:02:09] [main/INFO]: Setting user: Player531
[18:02:09] [Client thread/INFO]: LWJGL Version: 2.9.0
[18:02:10] [Client thread/INFO] [MinecraftForge]: Attempting early MinecraftForge initialization
[18:02:10] [Client thread/INFO] [FML]: MinecraftForge v10.12.2.1121 Initialized
[18:02:10] [Client thread/INFO] [FML]: Replaced 182 ore recipies
[18:02:10] [Client thread/INFO] [MinecraftForge]: Completed early MinecraftForge initialization
[18:02:10] [Client thread/INFO] [FML]: Searching D:\ModMinecraft\Forge\eclipse\mods for mods
[18:02:10] [Client thread/ERROR] [FML]: FML has detected a mod that is using a package name based on 'net.minecraft.src' : net.minecraft.src.FMLRenderAccessLibrary. This is generally a severe programming error. There should be no mod code in the minecraft namespace. MOVE YOUR MOD! If you're in eclipse, select your source code and 'refactor' it into a new package. Go on. DO IT NOW!
[18:02:11] [Client thread/INFO] [FML]: Forge Mod Loader has identified 4 mods to load
[18:02:12] [Client thread/INFO]: Reloading ResourceManager: Default, FMLFileResourcePack:Forge Mod Loader, FMLFileResourcePack:Minecraft Forge, FMLFileResourcePack:Potion+
[18:02:12] [Client thread/INFO] [FML]: Processing ObjectHolder annotations
[18:02:12] [Client thread/INFO] [FML]: Found 341 ObjectHolder annotations
[18:02:12] [Client thread/INFO] [FML]: Configured a dormant chunk cache size of 0
[18:02:12] [Client thread/INFO] [FML]: Applying holder lookups
[18:02:12] [Client thread/INFO] [FML]: Holder lookups applied
[18:02:12] [Client thread/ERROR] [FML]: Fatal errors were detected during the transition from PREINITIALIZATION to INITIALIZATION. Loading cannot continue
[18:02:12] [Client thread/ERROR] [FML]:
mcp{9.03} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized
FML{7.2.211.1121} [Forge Mod Loader] (forgeSrc-1.7.2-10.12.2.1121.jar) Unloaded->Constructed->Pre-initialized
Forge{10.12.2.1121} [Minecraft Forge] (forgeSrc-1.7.2-10.12.2.1121.jar) Unloaded->Constructed->Pre-initialized
potionplus{0.1} [Potion+] (bin) Unloaded->Constructed->Errored
[18:02:12] [Client thread/ERROR] [FML]: The following problems were captured during this phase
[18:02:12] [Client thread/ERROR] [FML]: Caught exception from potionplus
java.lang.NullPointerException: Can't add null-object to the registry, name potionplus:item_test.
at cpw.mods.fml.common.registry.FMLControlledNamespacedRegistry.add(FMLControlledNamespacedRegistry.java:353) ~[FMLControlledNamespacedRegistry.class:?]
at cpw.mods.fml.common.registry.GameData.registerItem(GameData.java:772) ~[GameData.class:?]
at cpw.mods.fml.common.registry.GameData.registerItem(GameData.java:740) ~[GameData.class:?]
at cpw.mods.fml.common.registry.GameRegistry.registerItem(GameRegistry.java:143) ~[GameRegistry.class:?]
at cpw.mods.fml.common.registry.GameRegistry.registerItem(GameRegistry.java:131) ~[GameRegistry.class:?]
at com.gmail.loustak347.common.PotionPlus.preInit(PotionPlus.java:25) ~[PotionPlus.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_45]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_45]
at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:513) ~[FMLModContainer.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_45]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_45]
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74) ~[guava-15.0.jar:?]
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47) ~[guava-15.0.jar:?]
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314) ~[guava-15.0.jar:?]
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296) ~[guava-15.0.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:267) ~[guava-15.0.jar:?]
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208) ~[LoadController.class:?]
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187) ~[LoadController.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_45]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_45]
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74) ~[guava-15.0.jar:?]
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47) ~[guava-15.0.jar:?]
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314) ~[guava-15.0.jar:?]
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296) ~[guava-15.0.jar:?]
at com.google.common.eventbus.EventBus.post(EventBus.java:267) ~[guava-15.0.jar:?]
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:118) [LoadController.class:?]
at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:512) [Loader.class:?]
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:239) [FMLClientHandler.class:?]
at net.minecraft.client.Minecraft.startGame(Minecraft.java:522) [Minecraft.class:?]
at net.minecraft.client.Minecraft.run(Minecraft.java:892) [Minecraft.class:?]
at net.minecraft.client.main.Main.main(Main.java:112) [Main.class:?]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_45]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_45]
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134) [launchwrapper-1.9.jar:?]
at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.9.jar:?]
–-- Minecraft Crash Report ----
// On the bright side, I bought you a teddy bear!

Time: 06/07/14 18:02
Description: Initializing game

java.lang.NullPointerException: Can't add null-object to the registry, name potionplus:item_test.
at cpw.mods.fml.common.registry.FMLControlledNamespacedRegistry.add(FMLControlledNamespacedRegistry.java:353)
at cpw.mods.fml.common.registry.GameData.registerItem(GameData.java:772)
at cpw.mods.fml.common.registry.GameData.registerItem(GameData.java:740)
at cpw.mods.fml.common.registry.GameRegistry.registerItem(GameRegistry.java:143)
at cpw.mods.fml.common.registry.GameRegistry.registerItem(GameRegistry.java:131)
at com.gmail.loustak347.common.PotionPlus.preInit(PotionPlus.java:25)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:513)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:118)
at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:512)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:239)
at net.minecraft.client.Minecraft.startGame(Minecraft.java:522)
at net.minecraft.client.Minecraft.run(Minecraft.java:892)
at net.minecraft.client.main.Main.main(Main.java:112)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
at cpw.mods.fml.common.registry.FMLControlledNamespacedRegistry.add(FMLControlledNamespacedRegistry.java:353)
at cpw.mods.fml.common.registry.GameData.registerItem(GameData.java:772)
at cpw.mods.fml.common.registry.GameData.registerItem(GameData.java:740)
at cpw.mods.fml.common.registry.GameRegistry.registerItem(GameRegistry.java:143)
at cpw.mods.fml.common.registry.GameRegistry.registerItem(GameRegistry.java:131)
at com.gmail.loustak347.common.PotionPlus.preInit(PotionPlus.java:25)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:513)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:208)
at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:187)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.google.common.eventbus.EventHandler.handleEvent(EventHandler.java:74)
at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:47)
at com.google.common.eventbus.EventBus.dispatch(EventBus.java:314)
at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
at com.google.common.eventbus.EventBus.post(EventBus.java:267)
at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:118)
at cpw.mods.fml.common.Loader.preinitializeMods(Loader.java:512)
at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:239)
at net.minecraft.client.Minecraft.startGame(Minecraft.java:522)

-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.Minecraft.run(Minecraft.java:892)
at net.minecraft.client.main.Main.main(Main.java:112)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at net.minecraft.launchwrapper.Launch.launch(Launch.java:134)
at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
Minecraft Version: 1.7.2
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.7.0_45, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 864806720 bytes (824 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)
JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.03 FML v7.2.211.1121 Minecraft Forge 10.12.2.1121 4 mods loaded, 4 mods active
mcp{9.03} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized
FML{7.2.211.1121} [Forge Mod Loader] (forgeSrc-1.7.2-10.12.2.1121.jar) Unloaded->Constructed->Pre-initialized
Forge{10.12.2.1121} [Minecraft Forge] (forgeSrc-1.7.2-10.12.2.1121.jar) Unloaded->Constructed->Pre-initialized
potionplus{0.1} [Potion+] (bin) Unloaded->Constructed->Errored
Launched Version: 1.6
LWJGL: 2.9.0
OpenGL: AMD Radeon HD 5700 Series GL version 4.3.12618 Compatibility Profile Context 13.251.0.0, ATI Technologies Inc.
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: []
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~~ERROR~~ NullPointerException: null
Anisotropic Filtering: Off (1)
#@!@# Game crashed! Crash report saved to: #@!@# D:\ModMinecraft\Forge\eclipse\.\crash-reports\crash-2014-07-06_18.02.12-client.txt

      Merci de votre aide.

      Ps: Pour plus de clarté se serait bien quand dans le tuto “créer un item basique” ce soit marqué l’endroit ou on doit taper le code 😉

      1 Reply Last reply Reply Quote 0
      • zery59
        zery59 last edited by

        Si je ne me trompe pas, tu dois créer une class NomDeTonItem, et enlève public class Itemtest extends Item, c’est dans la class de ton Item que tu mets extends Item

        1 Reply Last reply Reply Quote 0
        • Superloup10
          Superloup10 Modérateurs last edited by

          C’est pour cela, que pour chaque tutoriel 1.7.2, il y a une vidéo associée.

          1 Reply Last reply Reply Quote 0
          • Phenix246
            Phenix246 Rédacteurs last edited by robin4002

            Inverse le gameRegistry et la déclaration de ton item et fais ce qu’a dit zery59: mets ton items dans une class à part avec

            extends Item
            1 Reply Last reply Reply Quote 0
            • robin4002
              robin4002 Administrateurs Rédacteurs Moddeurs confirmés last edited by

              L’enregistrement doit se faire après l’initialisation de l’item.

              1 Reply Last reply Reply Quote 0
              • loustak
                loustak last edited by

                Merci j’ai réussi, j’avais pas vue le petit lien ver Github

                1 Reply Last reply Reply Quote 0
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