ForgePatch/common/net/minecraftforge/fluids/FluidTank.java

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package net.minecraftforge.fluids;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.tileentity.TileEntity;
/**
* Reference implementation of {@link IFluidTank}. Use/extend this or implement your own.
*
* @author King Lemming, cpw (LiquidTank)
*
*/
public class FluidTank implements IFluidTank
{
protected FluidStack fluid;
protected int capacity;
protected TileEntity tile;
public FluidTank(int capacity)
{
this(null, capacity);
}
public FluidTank(FluidStack stack, int capacity)
{
this.fluid = stack;
this.capacity = capacity;
}
public FluidTank(Fluid fluid, int amount, int capacity)
{
this(new FluidStack(fluid, amount), capacity);
}
public FluidTank readFromNBT(NBTTagCompound nbt)
{
if (!nbt.hasKey("Empty"))
{
FluidStack fluid = FluidStack.loadFluidStackFromNBT(nbt);
if (fluid != null)
{
setFluid(fluid);
}
}
return this;
}
public NBTTagCompound writeToNBT(NBTTagCompound nbt)
{
if (fluid != null)
{
fluid.writeToNBT(nbt);
}
else
{
nbt.setString("Empty", "");
}
return nbt;
}
public void setFluid(FluidStack fluid)
{
this.fluid = fluid;
}
public void setCapacity(int capacity)
{
this.capacity = capacity;
}
/* IFluidTank */
@Override
public FluidStack getFluid()
{
return fluid;
}
@Override
public int getFluidAmount()
{
if (fluid == null)
{
return 0;
}
return fluid.amount;
}
@Override
public int getCapacity()
{
return capacity;
}
@Override
public FluidTankInfo getInfo()
{
return new FluidTankInfo(this);
}
@Override
public int fill(FluidStack resource, boolean doFill)
{
if (resource == null)
{
return 0;
}
if (!doFill)
{
if (fluid == null)
{
return Math.min(capacity, resource.amount);
}
if (!fluid.isFluidEqual(resource))
{
return 0;
}
return Math.min(capacity - fluid.amount, resource.amount);
}
if (fluid == null)
{
fluid = new FluidStack(resource, Math.min(capacity, resource.amount));
if (tile != null)
{
FluidEvent.fireEvent(new FluidEvent.FluidFillingEvent(fluid, tile.worldObj, tile.xCoord, tile.yCoord, tile.zCoord, this));
}
return fluid.amount;
}
if (!fluid.isFluidEqual(resource))
{
return 0;
}
int filled = capacity - fluid.amount;
if (resource.amount < filled)
{
fluid.amount += resource.amount;
filled = resource.amount;
}
else
{
fluid.amount = capacity;
}
if (tile != null)
{
FluidEvent.fireEvent(new FluidEvent.FluidFillingEvent(fluid, tile.worldObj, tile.xCoord, tile.yCoord, tile.zCoord, this));
}
return filled;
}
@Override
public FluidStack drain(int maxDrain, boolean doDrain)
{
if (fluid == null)
{
return null;
}
int drained = maxDrain;
if (fluid.amount < drained)
{
drained = fluid.amount;
}
FluidStack stack = new FluidStack(fluid, drained);
if (doDrain)
{
fluid.amount -= drained;
if (fluid.amount <= 0)
{
fluid = null;
}
if (tile != null)
{
FluidEvent.fireEvent(new FluidEvent.FluidDrainingEvent(fluid, tile.worldObj, tile.xCoord, tile.yCoord, tile.zCoord, this));
}
}
return stack;
}
}