ProgramDrill.java

package pneumaticCraft.common.recipes.programs;

import java.util.List;

import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import pneumaticCraft.api.recipe.AssemblyRecipe;
import pneumaticCraft.common.tileentity.TileEntityAssemblyController;
import pneumaticCraft.common.tileentity.TileEntityAssemblyDrill;
import pneumaticCraft.common.tileentity.TileEntityAssemblyIOUnit;
import pneumaticCraft.common.tileentity.TileEntityAssemblyLaser;
import pneumaticCraft.common.tileentity.TileEntityAssemblyPlatform;

public class ProgramDrill extends AssemblyProgram{

    @Override
    public EnumMachine[] getRequiredMachines(){
        return new EnumMachine[]{EnumMachine.PLATFORM, EnumMachine.IO_UNIT_EXPORT, EnumMachine.IO_UNIT_IMPORT, EnumMachine.DRILL};
    }

    @Override
    public boolean executeStep(TileEntityAssemblyController controller, TileEntityAssemblyPlatform platform, TileEntityAssemblyIOUnit ioUnitImport, TileEntityAssemblyIOUnit ioUnitExport, TileEntityAssemblyDrill drill, TileEntityAssemblyLaser laser){
        boolean useAir = true;

        if(platform.getHeldStack() != null) {
            if(canItemBeDrilled(platform.getHeldStack())) {
                drill.goDrilling();
            } else if(drill.isIdle()) useAir = ioUnitExport.pickupItem(null);
        } else if(!ioUnitExport.isIdle()) useAir = ioUnitExport.pickupItem(null);
        else useAir = ioUnitImport.pickupItem(getRecipeList());

        return useAir;
    }

    private boolean canItemBeDrilled(ItemStack item){
        for(AssemblyRecipe recipe : getRecipeList()) {
            if(isValidInput(recipe, item)) return true;
        }
        return false;
    }

    @Override
    public void writeToNBT(NBTTagCompound tag){

    }

    @Override
    public void readFromNBT(NBTTagCompound tag){

    }

    @Override
    public List<AssemblyRecipe> getRecipeList(){
        return AssemblyRecipe.drillRecipes;
    }

}