electrodynamics/src/main/scala/edx/basic/fluid/gutter/NodeFluidGravity.scala
2015-01-26 20:56:09 +08:00

62 lines
2.1 KiB
Scala

package edx.basic.fluid.gutter
import edx.core.prefab.node.{NodeFluidPressure, TileFluidProvider}
import net.minecraftforge.common.util.ForgeDirection
import net.minecraftforge.fluids.FluidContainerRegistry
/**
* A node for fluid that follows pressure and gravity.
* @author Calclavia
*/
class NodeFluidGravity(parent: TileFluidProvider, volume: Int = FluidContainerRegistry.BUCKET_VOLUME) extends NodeFluidPressure(parent, volume)
{
override protected def doDistribute(deltaTime: Double, dir: ForgeDirection, nodeA: NodeFluidPressure, nodeB: NodeFluidPressure, flowRate: Int)
{
val tankA = nodeA.getTank
val tankB = nodeB.getTank
val pressureA = nodeA.pressure(dir)
val pressureB = nodeB.pressure(dir.getOpposite)
val amountA = tankA.getFluidAmount
val testDrain = drain(dir.getOpposite, amountA, false)
val amountB = tankB.getFluidAmount - nodeB.fill(dir, testDrain, false)
var quantity = 0
if (dir == ForgeDirection.DOWN)
{
quantity = Math.max(if (pressureA > pressureB) (pressureA - pressureB) * flowRate else amountA, amountA)
}
else if (dir != ForgeDirection.UP)
{
if (nodeB.isInstanceOf[NodeFluidGravity])
quantity = Math.max(if (pressureA > pressureB) (pressureA - pressureB) * flowRate else Math.min((amountA - amountB) / 2, flowRate), Math.min((amountA - amountB) / 2, flowRate))
else
quantity = if (pressureA > pressureB) (pressureA - pressureB) * flowRate else 0
}
/**
* Take account of viscosity. Fluid in Minecraft is measured in liters.
* 1L = 0.001 m^3
* Viscosity (m/s^2)
* Viscosity/1000 (convert to L/s^2)
*/
if (testDrain != null && testDrain.getFluid != null)
{
quantity = Math.max(quantity, (Math.pow(testDrain.getFluid.getViscosity(testDrain) / 1000, 3) * deltaTime).toInt)
}
else
{
quantity = Math.min(Math.min(quantity, tankB.getCapacity - amountB), amountA)
}
if (quantity > 0)
{
val drainStack = drain(dir.getOpposite, quantity, false)
if (drainStack != null && drainStack.amount > 0)
{
drain(dir.getOpposite, nodeB.fill(dir, drainStack, true), true)
}
}
}
}