Nicba1010 Posted June 28, 2013 Share Posted June 28, 2013 So... I have one problem. It is that while i am playing the nbt data is temporary saved, but when i exit it's deleted and i dont know why! If you could help me that would be nice. Here is the source: https://www.dropbox.com/sh/7pj70z3mbbdde38/BAz6Zvq7Gw Thank you! Quote Link to comment Share on other sites More sharing options...
gff1979 Posted June 28, 2013 Share Posted June 28, 2013 I'm not an expert on NBT usage, but the only way I've ever used it to save Entity specific data is within the entities class methods read/writeEntityToNBT( nbt ). Also, it doesn't work on the client side. Forgive me if you understood this already, but in my example I use it like this in the class that stands for the entity's data you wish to save and recall. I have updated it to show the full code of the Entity: package gff.companime.entity.companions; import java.util.Random; import gff.companime.Companime; import net.minecraft.client.Minecraft; import net.minecraft.entity.DataWatcher; import net.minecraft.entity.EntityAgeable; import net.minecraft.entity.EntityLiving; import net.minecraft.entity.ai.EntityAIAvoidEntity; import net.minecraft.entity.ai.EntityAIFollowGolem; import net.minecraft.entity.ai.EntityAILookAtTradePlayer; import net.minecraft.entity.ai.EntityAIMoveIndoors; import net.minecraft.entity.ai.EntityAIMoveTwardsRestriction; import net.minecraft.entity.ai.EntityAIOpenDoor; import net.minecraft.entity.ai.EntityAIPlay; import net.minecraft.entity.ai.EntityAIRestrictOpenDoor; import net.minecraft.entity.ai.EntityAISwimming; import net.minecraft.entity.ai.EntityAITempt; import net.minecraft.entity.ai.EntityAITradePlayer; import net.minecraft.entity.ai.EntityAIVillagerMate; import net.minecraft.entity.ai.EntityAIWander; import net.minecraft.entity.ai.EntityAIWatchClosest; import net.minecraft.entity.ai.EntityAIWatchClosest2; import net.minecraft.entity.monster.EntityZombie; import net.minecraft.entity.passive.EntityVillager; import net.minecraft.entity.player.EntityPlayer; import net.minecraft.item.ItemStack; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.world.World; public class EntityGal extends EntityAgeable { public int haircolor; public EntityGal(World par1World) { super(par1World); this.texture = "/textures/mob/gal/gal.png"; this.moveSpeed = 0.5F; this.setSize(0.6F, 1.8F); this.getNavigator().setBreakDoors(true); this.getNavigator().setAvoidsWater(true); // AI tasks for the entity to perform this.tasks.addTask(0, new EntityAISwimming(this)); this.tasks.addTask(1, new EntityAITempt(this, 0.3F, Companime.braceletItem.itemID, false)); this.tasks.addTask(2, new EntityAIMoveIndoors(this)); this.tasks.addTask(3, new EntityAIOpenDoor(this, true)); this.tasks.addTask(4, new EntityAIMoveTwardsRestriction(this, 0.3F)); this.tasks.addTask(5, new EntityAIWatchClosest2(this, EntityPlayer.class, 3.0F, 1.0F)); this.tasks.addTask(5, new EntityAIWatchClosest2(this, EntityGal.class, 5.0F, 0.02F)); this.tasks.addTask(5, new EntityAIWander(this, 0.3F)); this.tasks.addTask(6, new EntityAIWatchClosest(this, EntityGal.class, 8.0F)); // Generate instance specific data Random rnd = new Random(); this.setHairColor(rnd.nextInt(0xffffff)); this.haircolor = this.getHairColor(); } public void entityInit() { super.entityInit(); // Create a data watcher for hair color this.dataWatcher.addObject(20, Integer.valueOf(0)); } // writes persistent values that is saved to the world server side public void writeEntityToNBT(NBTTagCompound nbt) { super.writeEntityToNBT(nbt); nbt.setInteger("haircolor", this.getHairColor()); } // reads a persistant value from the server's world public void readEntityFromNBT(NBTTagCompound nbt) { super.readEntityFromNBT(nbt); this.setHairColor(nbt.getInteger("haircolor")); } // This function will set an RGB color // It is called later with EntityGal.getHairColor() in the renderer public void setHairColor(int color) { this.dataWatcher.updateObject(20, Integer.valueOf(color)); } // Returns the value set by setHairColor as "haircolor" in the Entities NBTTagCompound public int getHairColor() { return this.dataWatcher.getWatchableObjectInt(20); } @Override public EntityAgeable createChild(EntityAgeable entityageable) { // TODO Auto-generated method stub return null; } @Override public int getMaxHealth() { // TODO Auto-generated method stub return 10; } public boolean interact(EntityPlayer par1EntityPlayer) { ItemStack itemstack = par1EntityPlayer.inventory.getCurrentItem(); System.out.println(this.worldObj); System.out.println("ID: "+this.entityId); System.out.println("isRemote = "+this.worldObj.isRemote); System.out.println(this.haircolor); // Example of how to get this entity haircolor return true; } } Quote Link to comment Share on other sites More sharing options...
Nicba1010 Posted June 28, 2013 Author Share Posted June 28, 2013 so can you tell me how to sync them please Quote Link to comment Share on other sites More sharing options...
gff1979 Posted June 28, 2013 Share Posted June 28, 2013 There are a few methods to sync them. My example uses datawatchers. If you are familiar with java you should be able to grok with my example. Quote Link to comment Share on other sites More sharing options...
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