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[1.7.10] Custom Furnace save items only in slot 0.


TheTroop

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My custom furnace only save items in slot 0 if slot 0 is empty furnace puts item from slot 1,2 or 3 into slot 0

package com.TheTroop.legendrymod;

import com.TheTroop.legendrymod.Crafting.blockOvenRecipes;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Items;
import net.minecraft.inventory.IInventory;
import net.minecraft.inventory.ISidedInventory;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.tileentity.TileEntity;

public class TileEntityblockOven extends TileEntity implements ISidedInventory{

private ItemStack slots[];

public int dualPower;
public int dualCookTime;
public static final int maxPower = 10000;
public static final int mashingSpeed = 100;

private static final int[] slots_top = new int[] {0, 1};
private static final int[] slots_bottom = new int[] {3};
private static final int[] slots_side = new int[] {2};

private String customName;


public TileEntityblockOven() {
	slots = new ItemStack[4];
}

@Override
public int getSizeInventory() {
	return slots.length;
}

@Override
public ItemStack getStackInSlot(int i) {
	return slots[i];
}

@Override
public ItemStack getStackInSlotOnClosing(int i) {
	if (slots[i] != null) {
		ItemStack itemstack = slots[i];
		slots[i] = null;
		return itemstack;
	}else{
		return null;
	}
}



@Override
public void setInventorySlotContents(int i, ItemStack itemstack) {
	slots[i] = itemstack;
	if(itemstack != null && itemstack.stackSize > getInventoryStackLimit()) {
		itemstack.stackSize = getInventoryStackLimit();
	}

}

@Override
public String getInventoryName() {
	return this.hasCustomInventoryName() ? this.customName : "container.blockOven";
}

@Override
public boolean hasCustomInventoryName() {
	return this.customName != null && this.customName.length() > 0;
}


@Override
public int getInventoryStackLimit() {
	return 64;
}

@Override
public boolean isUseableByPlayer(EntityPlayer player) {
	if (worldObj.getTileEntity(xCoord, yCoord, zCoord) != this) {
		return false;
	}else{
		return player.getDistanceSq((double)xCoord + 0.5D, (double)yCoord + 0.5D, (double)zCoord + 0.5D) <= 64;
	}
  
}

public void openInventory() {}
public void closeInventory() {}

@Override
public boolean isItemValidForSlot(int i, ItemStack itemstack) {
	return i == 2? false : (i == 1 ? hasItemPower(itemstack) : true);
}

public boolean hasItemPower(ItemStack itemstack) {
	return getItemPower(itemstack) > 0;
}

private static int getItemPower (ItemStack itemstack) {
	if (itemstack == null) {
		return 0;
	}else{
		Item item = itemstack.getItem();

		if(item == LegendryMod.Fgem) return 50;
		return 0;
	}
}

public ItemStack decrStackSize(int i, int j) {
	if (slots[i] != null) {
	if (slots[i].stackSize <= j) {
		ItemStack itemstack = slots[i];
		slots[i] = null;
		return itemstack;
	}

	ItemStack itemstack1 = slots[i].splitStack(j);
	if (slots[i].stackSize == 0) {
		slots[i] = null;
	}

	return itemstack1;
	}else{
		return null;
	}
}

public void readFromNBT (NBTTagCompound nbt) {
	super.readFromNBT(nbt);
	NBTTagList list = nbt.getTagList("Items", 10);
	this.slots = new ItemStack[getSizeInventory()];

	for (int i = 0; i < list.tagCount(); ++i) {
		NBTTagCompound nbt1 = (NBTTagCompound)list.getCompoundTagAt(i) ;
		byte b0 =nbt1.getByte("slot");

		if (b0 >= 0 && b0 < slots.length) {
			this.slots[b0] = ItemStack.loadItemStackFromNBT(nbt1);
		}
	}

	dualPower = nbt.getShort("PowerTime");
	dualCookTime = nbt.getShort("CookTime");
}

public void writeToNBT(NBTTagCompound nbt) {
	super.writeToNBT(nbt);
	nbt.setShort("PowerTime", (short)dualPower);
	nbt.setShort("CookTime", (short) dualCookTime);
	NBTTagList list = new NBTTagList();

	for(int i = 0; i < slots.length; i++) {
		if(slots[i] != null) {
			NBTTagCompound nbt1 = new NBTTagCompound();
			nbt1.setByte("Slot", (byte)i);
			slots[i].writeToNBT(nbt1);
			list.appendTag(nbt1);
		}
	}

	nbt.setTag("Items", list);
}


@Override
public int[] getAccessibleSlotsFromSide (int i) {
	return i == 0 ? slots_bottom : (i == 1 ? slots_top : slots_side);
}

@Override
public boolean canInsertItem(int var1, ItemStack itemstack,
		int p_102007_3_) {
	return this.isItemValidForSlot(var1, itemstack);
}

@Override
public boolean canExtractItem(int i, ItemStack itemstack, int j) {
	return j != 0 || i != 1 || itemstack.getItem() == Items.bucket;
}

public int getMasherProgressScaled(int i) {
	return (dualCookTime * i) / this.mashingSpeed;
}

public int getPowerRemainingScaled(int i) {
	return (dualPower * i) / maxPower;
}

private boolean canMash() {

	if (slots[0] == null || slots[1] == null) {
		return false;
	}

	ItemStack itemstack = blockOvenRecipes.getMashingResult(slots[0].getItem(), slots[1].getItem());

	if (itemstack == null) {
		return false;
	}

	if (slots[3] == null) {
		return true;
	}
	if (!slots[3].isItemEqual(itemstack)) {
		return false;
	}
	if (slots[3].stackSize < getInventoryStackLimit() && slots[3].stackSize < slots[3].getMaxStackSize()) {
		return true;
	}else{
		return slots[3].stackSize < itemstack.getMaxStackSize();
	}
}

private void mashItem() {
	if (canMash()) {
		ItemStack itemstack = blockOvenRecipes.getMashingResult(slots[0].getItem(), slots[1].getItem());

		if (slots[3] == null) {
			slots[3] = itemstack.copy();
		}else if (slots[3].isItemEqual(itemstack)) {
			slots[3].stackSize += itemstack.stackSize;
		}

		for (int i = 0; i < 2; i++) {
			if (slots[i].stackSize <= 0) {
				slots[i] = new ItemStack(slots[i].getItem().setFull3D());
			}else{
				slots[i].stackSize--;
			}

			if(slots[i].stackSize <= 0) {
				slots[i] = null;
			}
		}
	}

}

public boolean hasPower() {
	return dualPower > 0;
}

public boolean isMashing () {
	return this.dualCookTime >0;
}

public void updateEntity() {
	boolean flag = this.hasPower();
	boolean flag1 = false;

	if(hasPower() && this.isMashing()) {
		this.dualPower--;
	}

	if(!worldObj.isRemote) {
		if (this.hasItemPower(this.slots[2]) && this.dualPower < (this.maxPower - this.getItemPower(this.slots[2]))) {
			this.dualPower += getItemPower(this.slots[2]);

			if(this.slots[2] != null) {
				flag1 = true;

				this.slots[2].stackSize--;

				if(this.slots[2].stackSize == 0) {
					this.slots[2] = this.slots[2].getItem().getContainerItem(this.slots[2]);
				}
			}
		}

		if (hasPower() && canMash()) {
			dualCookTime++;

			if (this.dualCookTime == this.mashingSpeed) {
				this.dualCookTime = 0;
				this.mashItem();
				flag1 = true;
			}
		}else{
			dualCookTime = 0;
		}

		if (flag != this.isMashing()) {
			flag1 = true;
			blockOven.updateBlockState(this.isMashing(), this.worldObj, this.xCoord, this.yCoord, this.zCoord);
		}
	}

	if (flag1) {
		this.markDirty();
	}


}


}

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My custom furnace only save items in slot 0 if slot 0 is empty furnace puts item from slot 1,2 or 3 into slot 0

	if(slots[i] != null) {

Well, you don't save empty slots.

So when you have in slots:

1- something

2 - null

3 - something

You save:

1 - yes

2 - no

3 - yes

In result you get:

1 - something

2 - something

Because you haven't added anything to 2nd place of list, so all moves down...

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Even though I can't spot the problem myself, I can say I don't believe elix is correct. You save a byte containing the slot number the item is in, and when you load them you load that byte and set that slot, so nothing should be "moved down" as elix said. I don't know what the issue could be though :/

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My custom furnace only save items in slot 0 if slot 0 is empty furnace puts item from slot 1,2 or 3 into slot 0

	if(slots[i] != null) {

Well, you don't save empty slots.

So when you have in slots:

1- something

2 - null

3 - something

You save:

1 - yes

2 - no

3 - yes

In result you get:

1 - something

2 - something

Because you haven't added anything to 2nd place of list, so all moves down...

and how can i fix it?

 

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@61352151511

He is using NBTTagList and list.appendtag.

So for following contents:

1 - something

2 - null

3 - someyhing

This happens:

list.appendTag(slot1.writeToNbt)

do nothing

list.appendTag(slot3.writeToNbt)

Which results in append tag of 3rd item to 2nd. Because append tag puts tag to the end of the list.

And when he reads he says that what in list is first - is in first slot. What is second is in second slot...

@TheTroop

What i personally use is:

Saving:

For each slot, if it contents is not null, write content to nbt and save it with name

"slot" + slotId

Loading:

For each existent slot, check if tag with name

"slot" + slotId

exists, and if it does, load contents from this tag...

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Except what he's appending to the list isn't just the ItemStack, he's putting NBTTagCompounds on the list, and the NBTTagCompounds store both the ItemStack and the slot the ItemStack is in.

 

NBTTagCompound nbt1 = new NBTTagCompound();
nbt1.setByte("Slot", (byte)i);
slots[i].writeToNBT(nbt1);
list.appendTag(nbt1);

 

Then when he's reading it he gets that byte value and sets that position in the array to the ItemStack

 

NBTTagList list = nbt.getTagList("Items", 10);
this.slots = new ItemStack[getSizeInventory()];

for (int i = 0; i < list.tagCount(); ++i) {
NBTTagCompound nbt1 = (NBTTagCompound)list.getCompoundTagAt(i) ;
byte b0 =nbt1.getByte("slot");

if (b0 >= 0 && b0 < slots.length) {
	this.slots[b0] = ItemStack.loadItemStackFromNBT(nbt1);
}
}

 

If you read that code, he is saving and loading it correctly. What you say he's doing wrong, he isn't.

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@61352151511

He is using NBTTagList and list.appendtag.

So for following contents:

1 - something

2 - null

3 - someyhing

This happens:

list.appendTag(slot1.writeToNbt)

do nothing

list.appendTag(slot3.writeToNbt)

Which results in append tag of 3rd item to 2nd. Because append tag puts tag to the end of the list.

And when he reads he says that what in list is first - is in first slot. What is second is in second slot...

@TheTroop

What i personally use is:

Saving:

For each slot, if it contents is not null, write content to nbt and save it with name

"slot" + slotId

Loading:

For each existent slot, check if tag with name

"slot" + slotId

exists, and if it does, load contents from this tag...

my furnace put items from slots 1,2 and 3 only in slot 0 and only saving items in slot 0 if i put items in slot 1,2 or 3 it is't saving items in it and put this items only in slot 0

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