Posted August 28, 201312 yr Hey everyone, Firstly I need to paste my code to further explain so here it is: package net.madcrazydrumma; import net.minecraft.client.Minecraft; import net.minecraft.client.entity.EntityClientPlayerMP; import net.minecraft.nbt.NBTBase; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.nbt.NBTTagInt; public class SkillMethods { private Minecraft mc = Minecraft.getMinecraft(); private EntityClientPlayerMP player = mc.thePlayer; NBTTagCompound tag = player.getEntityData(); NBTBase swordsLevel = tag.getTag("swordsLevel"); NBTBase woodcuttingLevel = tag.getTag("woodcuttingLevel"); NBTBase bowsLevel = tag.getTag("bowsLevel"); NBTBase farmingLevel = tag.getTag("farmingLevel"); public SkillMethods() {} public int getSwordsLevel() { return ((NBTTagInt)swordsLevel).data; } public int getWoodcuttingLevel() { return ((NBTTagInt)woodcuttingLevel).data; } public int getBowsLevel() { return ((NBTTagInt)bowsLevel).data; } public int getFarmingLevel() { return ((NBTTagInt)farmingLevel).data; } public void addSwordsLevel(int par1) { tag.setInteger("swordsLevel", (((NBTTagInt)swordsLevel).data) += par1); } public void addWoodcuttingLevel(int par1) { tag.setInteger("woodcuttingLevel", (((NBTTagInt)woodcuttingLevel).data) += par1); } public void addBowsLevel(int par1) { tag.setInteger("bowsLevel", (((NBTTagInt)bowsLevel).data) += par1); } public void addFarmingLevel(int par1) { tag.setInteger("farmingLevel", (((NBTTagInt)farmingLevel).data) += par1); } } Now the error is throwing a nullpointer for this line: NBTTagCompound tag = player.getEntityData(); and the game just crashes... Here is the full error log: ---- Minecraft Crash Report ---- // Surprise! Haha. Well, this is awkward. Time: 8/28/13 10:15 AM Description: Initializing game java.lang.NullPointerException at net.madcrazydrumma.SkillMethods.<init>(SkillMethods.java:14) at net.madcrazydrumma.OverhaulEvents.<init>(OverhaulEvents.java:17) at net.madcrazydrumma.Overhaul.load(Overhaul.java:53) 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:540) 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:45) at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313) 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:194) at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:174) 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:45) at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313) 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:105) at cpw.mods.fml.common.Loader.initializeMods(Loader.java:697) at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:232) at net.minecraft.client.Minecraft.startGame(Minecraft.java:506) at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:796) at net.minecraft.client.main.Main.main(Main.java:93) 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:57) at net.minecraft.launchwrapper.Launch.main(Launch.java:18) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Stacktrace: at net.madcrazydrumma.SkillMethods.<init>(SkillMethods.java:14) at net.madcrazydrumma.OverhaulEvents.<init>(OverhaulEvents.java:17) at net.madcrazydrumma.Overhaul.load(Overhaul.java:53) 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:540) 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:45) at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313) 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:194) at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:174) 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:45) at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313) 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:105) at cpw.mods.fml.common.Loader.initializeMods(Loader.java:697) at cpw.mods.fml.client.FMLClientHandler.finishMinecraftLoading(FMLClientHandler.java:232) at net.minecraft.client.Minecraft.startGame(Minecraft.java:506) -- Initialization -- Details: Stacktrace: at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:796) at net.minecraft.client.main.Main.main(Main.java:93) 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:57) at net.minecraft.launchwrapper.Launch.main(Launch.java:18) -- System Details -- Details: Minecraft Version: 1.6.2 Operating System: Windows 8 (x86) version 6.2 Java Version: 1.7.0_25, Oracle Corporation Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation Memory: 945042856 bytes (901 MB) / 1037959168 bytes (989 MB) up to 1037959168 bytes (989 MB) JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used Suspicious classes: FML and Forge are installed IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0 FML: MCP v8.04 FML v6.2.35.804 Minecraft Forge 9.10.0.804 4 mods loaded, 4 mods active mcp{8.04} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized FML{6.2.35.804} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized Forge{9.10.0.804} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized overhaul{1.6.2} [Overhaul] (bin) Unloaded->Constructed->Pre-initialized->Errored Launched Version: 1.6 LWJGL: 2.9.0 OpenGL: Intel(R) HD Graphics 4000 GL version 4.0.0 - Build 9.17.10.2843, Intel Is Modded: Definitely; Client brand changed to 'fml,forge' Type: Client (map_client.txt) Resource Pack: Default Current Language: English (US) Profiler Position: N/A (disabled) Vec3 Pool Size: ~~ERROR~~ NullPointerException: null Thank you for the help!
August 28, 201312 yr Author I tried using that, but i didnt know where to start.. Any help? Thanks i really appreciate it EDIT:: I made the method: @ForgeSubscribe public void constructEntity(EntityEvent.EntityConstruction event) { } but what next?
August 28, 201312 yr Author This is my skill handler class: package net.madcrazydrumma; import net.minecraft.entity.Entity; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.world.World; import net.minecraftforge.common.IExtendedEntityProperties; import net.minecraftforge.event.ForgeSubscribe; import net.minecraftforge.event.entity.EntityEvent; public class SkillsHandler implements IExtendedEntityProperties { public int swordsLevel; public SkillsHandler instance; @Override public void saveNBTData(NBTTagCompound compound) { compound.setInteger("swordsLevel", swordsLevel); } @Override public void loadNBTData(NBTTagCompound compound) { compound.getInteger("swordsLevel"); } @Override public void init(Entity entity, World world) { } @ForgeSubscribe public void constructEntity(EntityEvent.EntityConstructing event) { if(event.entity instanceof EntityPlayer) { instance = new SkillsHandler(); } } } Is that what you mean? I dont know what you mean by registering instance with identifier and then how to use player.getExtendedProperties(identifier)
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