BlockGenericPowerBank.scala

package me.jonak.upower.generics

import me.jonak.upower.block.tileentities.TilePowerBank
import me.jonak.upower.core.UPower
import me.jonak.upower.material.MaterialMachine
import net.minecraft.block.BlockContainer
import net.minecraft.block.properties.PropertyInteger
import net.minecraft.block.state.{BlockStateContainer, IBlockState}
import net.minecraft.item.Item
import net.minecraft.tileentity.TileEntity
import net.minecraft.util.math.BlockPos
import net.minecraft.world.{IBlockAccess, World}

/**
  * Created by jonak on 5/10/2016.
  */
abstract class BlockGenericPowerBank(maxEnergy: Int, maxOutput: Int, name: String = "powerbank_generic")
    extends BlockContainer(new MaterialMachine)
{
    private final val blockName = name
    private final val CHARGE_PERCENT: PropertyInteger = PropertyInteger.create("charge_percent", 0, 10)
    protected val item: Item

    def getName: String = blockName

    def getItem: Item = item

    def registerRecipe(): Unit // Registers the block's recipe.

    override def createNewTileEntity(worldIn: World, meta: Int): TileEntity =
    {
        println("Placed Tile")
        new TilePowerBank(0, maxEnergy, maxOutput)
    }

    // This is the line causing the error
    override def createBlockState: BlockStateContainer = new BlockStateContainer(this, CHARGE_PERCENT)

    override def getActualState(state: IBlockState, worldIn: IBlockAccess, pos: BlockPos): IBlockState =
    {
        val currentPower = worldIn.getTileEntity(pos).asInstanceOf[TilePowerBank].getPowerContained
        val maxPower = worldIn.getTileEntity(pos).asInstanceOf[TilePowerBank].getMaxPower
        return state.withProperty(CHARGE_PERCENT, Integer.valueOf(Math.floor(currentPower / maxPower * 10).asInstanceOf[Int]))
    }

    setUnlocalizedName(name) // Sets the unlocalized name based on initialization parameters.
    setRegistryName(name) // Sets the registry name based on the initialization parameters.
    setCreativeTab(UPower.uPowerCreativeTab) // Sets the tab to the mod's creative tab.
    setDefaultState(getBlockState.getBaseState.withProperty(CHARGE_PERCENT, Integer.valueOf(0))) // Sets the default state to 0% charge.

}