src/main/java/mekanism/common/tile/TileEntityFuelwoodHeater.java

package mekanism.common.tile;

import io.netty.buffer.ByteBuf;

import java.util.ArrayList;

import mekanism.api.Coord4D;
import mekanism.api.IHeatTransfer;
import mekanism.api.Range4D;
import mekanism.common.Mekanism;
import mekanism.common.base.IActiveState;
import mekanism.common.capabilities.Capabilities;
import mekanism.common.config.MekanismConfig.general;
import mekanism.common.network.PacketTileEntity.TileEntityMessage;
import mekanism.common.security.ISecurityTile;
import mekanism.common.tile.component.TileComponentSecurity;
import mekanism.common.tile.prefab.TileEntityContainerBlock;
import mekanism.common.util.CapabilityUtils;
import mekanism.common.util.HeatUtils;
import mekanism.common.util.MekanismUtils;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.tileentity.TileEntityFurnace;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.NonNullList;
import net.minecraftforge.common.capabilities.Capability;
import net.minecraftforge.fml.common.FMLCommonHandler;

public class TileEntityFuelwoodHeater extends TileEntityContainerBlock implements IHeatTransfer, ISecurityTile, IActiveState
{
	public double temperature;
	public double heatToAbsorb = 0;
	
	public int burnTime;
	public int maxBurnTime;
	
	/** Whether or not this machine is in it's active state. */
	public boolean isActive;

	/** The client's current active state. */
	public boolean clientActive;
	
	/** How many ticks must pass until this block's active state can sync with the client. */
	public int updateDelay;
	
	public double lastEnvironmentLoss;
	
	public TileComponentSecurity securityComponent = new TileComponentSecurity(this);
	
	public TileEntityFuelwoodHeater() 
	{
		super("FuelwoodHeater");
		inventory = NonNullList.withSize(1, ItemStack.EMPTY);
	}
	
	@Override
	public void onUpdate()
	{
		if(world.isRemote && updateDelay > 0)
		{
			updateDelay--;

			if(updateDelay == 0 && clientActive != isActive)
			{
				isActive = clientActive;
				MekanismUtils.updateBlock(world, getPos());
			}
		}
		
		if(!world.isRemote)
		{
			if(updateDelay > 0)
			{
				updateDelay--;

				if(updateDelay == 0 && clientActive != isActive)
				{
					Mekanism.packetHandler.sendToReceivers(new TileEntityMessage(Coord4D.get(this), getNetworkedData(new ArrayList<>())), new Range4D(Coord4D.get(this)));
				}
			}
			
			boolean burning = false;
			
			if(burnTime > 0)
			{
				burnTime--;
				burning = true;
			}
			else {
				if(!inventory.get(0).isEmpty())
				{
					maxBurnTime = burnTime = TileEntityFurnace.getItemBurnTime(inventory.get(0))/2;
					
					if(burnTime > 0)
					{
						inventory.get(0).shrink(1);
						
						if(inventory.get(0).getCount() == 0)
						{
							inventory.set(0, inventory.get(0).getItem().getContainerItem(inventory.get(0)));
						}
						
						burning = true;
					}
				}
			}
			
			if(burning)
			{
				heatToAbsorb += general.heatPerFuelTick;
			}
			
			double[] loss = simulateHeat();
			applyTemperatureChange();
			
			lastEnvironmentLoss = loss[1];
			
			setActive(burning);
		}
	}
	
	@Override
	public void readFromNBT(NBTTagCompound nbtTags)
	{
		super.readFromNBT(nbtTags);

		temperature = nbtTags.getDouble("temperature");
		clientActive = isActive = nbtTags.getBoolean("isActive");
		burnTime = nbtTags.getInteger("burnTime");
		maxBurnTime = nbtTags.getInteger("maxBurnTime");
	}

	@Override
	public NBTTagCompound writeToNBT(NBTTagCompound nbtTags)
	{
		super.writeToNBT(nbtTags);

		nbtTags.setDouble("temperature", temperature);
		nbtTags.setBoolean("isActive", isActive);
		nbtTags.setInteger("burnTime", burnTime);
		nbtTags.setInteger("maxBurnTime", maxBurnTime);
		
		return nbtTags;
	}
	
	@Override
	public void handlePacketData(ByteBuf dataStream)
	{
		super.handlePacketData(dataStream);
		
		if(FMLCommonHandler.instance().getEffectiveSide().isClient())
		{
			temperature = dataStream.readDouble();
			clientActive = dataStream.readBoolean();
			burnTime = dataStream.readInt();
			maxBurnTime = dataStream.readInt();
			
			lastEnvironmentLoss = dataStream.readDouble();
			
			if(updateDelay == 0 && clientActive != isActive)
			{
				updateDelay = general.UPDATE_DELAY;
				isActive = clientActive;
				MekanismUtils.updateBlock(world, getPos());
			}
		}
	}

	@Override
	public ArrayList<Object> getNetworkedData(ArrayList<Object> data)
	{
		super.getNetworkedData(data);
		
		data.add(temperature);
		data.add(isActive);
		data.add(burnTime);
		data.add(maxBurnTime);
		
		data.add(lastEnvironmentLoss);
		
		return data;
	}
	
	@Override
	public boolean canSetFacing(int side)
	{
		return side != 0 && side != 1;
	}
	
	@Override
	public int[] getSlotsForFace(EnumFacing side)
	{
		return new int[] {0};
	}
	
	@Override
	public void setActive(boolean active)
	{
		isActive = active;

		if(clientActive != active && updateDelay == 0)
		{
			Mekanism.packetHandler.sendToReceivers(new TileEntityMessage(Coord4D.get(this), getNetworkedData(new ArrayList<>())), new Range4D(Coord4D.get(this)));

			updateDelay = 10;
			clientActive = active;
		}
	}
	
	@Override
	public boolean getActive()
	{
		return isActive;
	}
	
	@Override
	public boolean renderUpdate()
	{
		return false;
	}

	@Override
	public boolean lightUpdate()
	{
		return true;
	}
	
	@Override
	public double getTemp() 
	{
		return temperature;
	}

	@Override
	public double getInverseConductionCoefficient() 
	{
		return 5;
	}

	@Override
	public double getInsulationCoefficient(EnumFacing side)
	{
		return 1000;
	}

	@Override
	public void transferHeatTo(double heat)
	{
		heatToAbsorb += heat;
	}

	@Override
	public double[] simulateHeat() 
	{
		return HeatUtils.simulate(this);
	}

	@Override
	public double applyTemperatureChange() 
	{
		temperature += heatToAbsorb;
		heatToAbsorb = 0;
		
		return temperature;
	}

	@Override
	public boolean canConnectHeat(EnumFacing side)
	{
		return true;
	}

	@Override
	public IHeatTransfer getAdjacent(EnumFacing side)
	{
		TileEntity adj = Coord4D.get(this).offset(side).getTileEntity(world);
		
		if(CapabilityUtils.hasCapability(adj, Capabilities.HEAT_TRANSFER_CAPABILITY, side.getOpposite()))
		{
			return CapabilityUtils.getCapability(adj, Capabilities.HEAT_TRANSFER_CAPABILITY, side.getOpposite());
		}
		
		return null;
	}
	
	@Override
	public boolean hasCapability(Capability<?> capability, EnumFacing side)
	{
		return capability == Capabilities.HEAT_TRANSFER_CAPABILITY || super.hasCapability(capability, side);
	}

	@Override
	public <T> T getCapability(Capability<T> capability, EnumFacing side)
	{
		if(capability == Capabilities.HEAT_TRANSFER_CAPABILITY)
		{
			return (T)this;
		}
		
		return super.getCapability(capability, side);
	}
	
	@Override
	public TileComponentSecurity getSecurity()
	{
		return securityComponent;
	}
}