| package li.cil.oc.server.component |
| |
| import li.cil.oc.Settings |
| import li.cil.oc.api.network.{RobotContext, LuaCallback, Arguments, Context} |
| import li.cil.oc.common.tileentity |
| import li.cil.oc.server.component.robot.{Player, ActivationType} |
| import li.cil.oc.server.{PacketSender => ServerPacketSender} |
| import net.minecraft.block.{BlockFluid, Block} |
| import net.minecraft.entity.item.{EntityMinecart, EntityMinecartContainer, EntityItem} |
| import net.minecraft.entity.{EntityLivingBase, Entity} |
| import net.minecraft.inventory.{IInventory, ISidedInventory} |
| import net.minecraft.item.{ItemStack, ItemBlock} |
| import net.minecraft.tileentity.TileEntityChest |
| import net.minecraft.util.{MovingObjectPosition, EnumMovingObjectType} |
| import net.minecraftforge.common.ForgeDirection |
| import net.minecraftforge.fluids.FluidRegistry |
| import scala.Some |
| import scala.collection.convert.WrapAsScala._ |
| |
| class Robot(val robot: tileentity.Robot) extends Computer(robot) with RobotContext { |
| |
| def actualSlot(n: Int) = robot.actualSlot(n) |
| |
| def world = robot.world |
| |
| def x = robot.x |
| |
| def y = robot.y |
| |
| def z = robot.z |
| |
| // ----------------------------------------------------------------------- // |
| |
| override def isRobot = true |
| |
| def selectedSlot = robot.selectedSlot |
| |
| def player = robot.player() |
| |
| @LuaCallback(value = "level", direct = true) |
| def level(context: Context, args: Arguments): Array[AnyRef] = { |
| result(robot.level + robot.xp / robot.xpForNextLevel) |
| } |
| |
| // ----------------------------------------------------------------------- // |
| |
| @LuaCallback("select") |
| def select(context: Context, args: Arguments): Array[AnyRef] = { |
| if (args.count > 0 && args.checkAny(0) != null) { |
| val slot = checkSlot(args, 0) |
| if (slot != selectedSlot) { |
| robot.selectedSlot = slot |
| ServerPacketSender.sendRobotSelectedSlotChange(robot) |
| } |
| } |
| result(selectedSlot - actualSlot(0) + 1) |
| } |
| |
| @LuaCallback(value = "count", direct = true) |
| def count(context: Context, args: Arguments): Array[AnyRef] = { |
| val slot = |
| if (args.count > 0 && args.checkAny(0) != null) checkSlot(args, 0) |
| else selectedSlot |
| result(stackInSlot(slot) match { |
| case Some(stack) => stack.stackSize |
| case _ => 0 |
| }) |
| } |
| |
| @LuaCallback(value = "space", direct = true) |
| def space(context: Context, args: Arguments): Array[AnyRef] = { |
| val slot = |
| if (args.count > 0 && args.checkAny(0) != null) checkSlot(args, 0) |
| else selectedSlot |
| result(stackInSlot(slot) match { |
| case Some(stack) => (robot.getInventoryStackLimit min stack.getMaxStackSize) - stack.stackSize |
| case _ => robot.getInventoryStackLimit |
| }) |
| } |
| |
| @LuaCallback("compareTo") |
| def compareTo(context: Context, args: Arguments): Array[AnyRef] = { |
| val slot = checkSlot(args, 0) |
| result((stackInSlot(selectedSlot), stackInSlot(slot)) match { |
| case (Some(stackA), Some(stackB)) => haveSameItemType(stackA, stackB) |
| case (None, None) => true |
| case _ => false |
| }) |
| } |
| |
| @LuaCallback("transferTo") |
| def transferTo(context: Context, args: Arguments): Array[AnyRef] = { |
| val slot = checkSlot(args, 0) |
| val count = checkOptionalItemCount(args, 1) |
| if (slot == selectedSlot || count == 0) { |
| result(true) |
| } |
| else result((stackInSlot(selectedSlot), stackInSlot(slot)) match { |
| case (Some(from), Some(to)) => |
| if (haveSameItemType(from, to)) { |
| val space = (robot.getInventoryStackLimit min to.getMaxStackSize) - to.stackSize |
| val amount = count min space min from.stackSize |
| if (amount > 0) { |
| from.stackSize -= amount |
| to.stackSize += amount |
| assert(from.stackSize >= 0) |
| if (from.stackSize == 0) { |
| robot.setInventorySlotContents(selectedSlot, null) |
| } |
| true |
| } |
| else false |
| } |
| else { |
| robot.setInventorySlotContents(slot, from) |
| robot.setInventorySlotContents(selectedSlot, to) |
| true |
| } |
| case (Some(from), None) => |
| robot.setInventorySlotContents(slot, robot.decrStackSize(selectedSlot, count)) |
| true |
| case _ => false |
| }) |
| } |
| |
| @LuaCallback("compare") |
| def compare(context: Context, args: Arguments): Array[AnyRef] = { |
| val side = checkSideForAction(args, 0) |
| stackInSlot(selectedSlot) match { |
| case Some(stack) => Option(stack.getItem) match { |
| case Some(item: ItemBlock) => |
| val (bx, by, bz) = (x + side.offsetX, y + side.offsetY, z + side.offsetZ) |
| val idMatches = item.getBlockID == world.getBlockId(bx, by, bz) |
| val subTypeMatches = !item.getHasSubtypes || item.getMetadata(stack.getItemDamage) == world.getBlockMetadata(bx, by, bz) |
| return result(idMatches && subTypeMatches) |
| case _ => |
| } |
| case _ => |
| } |
| result(false) |
| } |
| |
| @LuaCallback("drop") |
| def drop(context: Context, args: Arguments): Array[AnyRef] = { |
| val facing = checkSideForAction(args, 0) |
| val count = checkOptionalItemCount(args, 1) |
| val dropped = robot.decrStackSize(selectedSlot, count) |
| if (dropped != null && dropped.stackSize > 0) { |
| def tryDropIntoInventory(inventory: IInventory, filter: (Int) => Boolean) = { |
| var success = false |
| val maxStackSize = inventory.getInventoryStackLimit min dropped.getMaxStackSize |
| val shouldTryMerge = !dropped.isItemStackDamageable && dropped.getMaxStackSize > 1 && inventory.getInventoryStackLimit > 1 |
| if (shouldTryMerge) { |
| for (slot <- 0 until inventory.getSizeInventory if dropped.stackSize > 0 && filter(slot)) { |
| val existing = inventory.getStackInSlot(slot) |
| val shouldMerge = existing != null && existing.stackSize < maxStackSize && |
| existing.isItemEqual(dropped) && ItemStack.areItemStackTagsEqual(existing, dropped) |
| if (shouldMerge) { |
| val space = maxStackSize - existing.stackSize |
| val amount = space min dropped.stackSize |
| assert(amount > 0) |
| success = true |
| existing.stackSize += amount |
| dropped.stackSize -= amount |
| } |
| } |
| } |
| |
| def canDropIntoSlot(slot: Int) = filter(slot) && inventory.isItemValidForSlot(slot, dropped) && inventory.getStackInSlot(slot) == null |
| for (slot <- 0 until inventory.getSizeInventory if dropped.stackSize > 0 && canDropIntoSlot(slot)) { |
| val amount = maxStackSize min dropped.stackSize |
| inventory.setInventorySlotContents(slot, dropped.splitStack(amount)) |
| success = true |
| } |
| if (success) { |
| inventory.onInventoryChanged() |
| } |
| player.inventory.addItemStackToInventory(dropped) |
| success |
| } |
| |
| world.getBlockTileEntity(x + facing.offsetX, y + facing.offsetY, z + facing.offsetZ) match { |
| case chest: TileEntityChest => |
| val inventory = Block.chest.getInventory(world, chest.xCoord, chest.yCoord, chest.zCoord) |
| result(tryDropIntoInventory(inventory, |
| slot => inventory.isItemValidForSlot(slot, dropped))) |
| case inventory: ISidedInventory => |
| result(tryDropIntoInventory(inventory, |
| slot => inventory.isItemValidForSlot(slot, dropped) && inventory.canInsertItem(slot, dropped, facing.getOpposite.ordinal()))) |
| case inventory: IInventory => |
| result(tryDropIntoInventory(inventory, |
| slot => inventory.isItemValidForSlot(slot, dropped))) |
| case _ => |
| for (entity <- player.entitiesOnSide[EntityMinecartContainer](facing) if entity.isUseableByPlayer(player)) { |
| if (tryDropIntoInventory(entity, slot => entity.isItemValidForSlot(slot, dropped))) { |
| return result(true) |
| } |
| } |
| player.dropPlayerItemWithRandomChoice(dropped, inPlace = false) |
| context.pause(Settings.get.dropDelay) |
| result(true) |
| } |
| } |
| else result(false) |
| } |
| |
| @LuaCallback("place") |
| def place(context: Context, args: Arguments): Array[AnyRef] = { |
| val facing = checkSideForAction(args, 0) |
| val sides = |
| if (args.isInteger(1)) { |
| Iterable(checkSideForFace(args, 1, facing)) |
| } |
| else { |
| ForgeDirection.VALID_DIRECTIONS.filter(_ != facing.getOpposite).toIterable |
| } |
| val sneaky = args.isBoolean(2) && args.checkBoolean(2) |
| val stack = player.robotInventory.selectedItemStack |
| if (stack == null || stack.stackSize == 0) { |
| return result(false, "nothing selected") |
| } |
| |
| for (side <- sides) { |
| val player = robot.player(facing, side) |
| player.setSneaking(sneaky) |
| val success = Option(pick(player, Settings.get.useAndPlaceRange)) match { |
| case Some(hit) if hit.typeOfHit == EnumMovingObjectType.TILE => |
| val (bx, by, bz, hx, hy, hz) = clickParamsFromHit(hit) |
| player.placeBlock(stack, bx, by, bz, hit.sideHit, hx, hy, hz) |
| case None if Settings.get.canPlaceInAir && player.closestEntity[Entity]().isEmpty => |
| val (bx, by, bz, hx, hy, hz) = clickParamsFromFacing(facing, side) |
| player.placeBlock(stack, bx, by, bz, side.getOpposite.ordinal, hx, hy, hz) |
| case _ => false |
| } |
| player.setSneaking(false) |
| if (stack.stackSize <= 0) { |
| robot.setInventorySlotContents(player.robotInventory.selectedSlot, null) |
| } |
| if (success) { |
| context.pause(Settings.get.placeDelay) |
| robot.animateSwing(Settings.get.placeDelay) |
| return result(true) |
| } |
| } |
| |
| result(false) |
| } |
| |
| @LuaCallback("suck") |
| def suck(context: Context, args: Arguments): Array[AnyRef] = { |
| val facing = checkSideForAction(args, 0) |
| val count = checkOptionalItemCount(args, 1) |
| |
| def trySuckFromInventory(inventory: IInventory, filter: (Int) => Boolean) = { |
| var success = false |
| for (slot <- 0 until inventory.getSizeInventory if !success && filter(slot)) { |
| val stack = inventory.getStackInSlot(slot) |
| if (stack != null) { |
| val maxStackSize = robot.getInventoryStackLimit min stack.getMaxStackSize |
| val amount = maxStackSize min stack.stackSize min count |
| val sucked = stack.splitStack(amount) |
| success = player.inventory.addItemStackToInventory(sucked) |
| stack.stackSize += sucked.stackSize |
| if (stack.stackSize == 0) { |
| inventory.setInventorySlotContents(slot, null) |
| } |
| } |
| } |
| if (success) { |
| inventory.onInventoryChanged() |
| } |
| success |
| } |
| |
| world.getBlockTileEntity(x + facing.offsetX, y + facing.offsetY, z + facing.offsetZ) match { |
| case chest: TileEntityChest if chest.isUseableByPlayer(player) => |
| val inventory = Block.chest.getInventory(world, chest.xCoord, chest.yCoord, chest.zCoord) |
| result(trySuckFromInventory(inventory, slot => true)) |
| case inventory: ISidedInventory if inventory.isUseableByPlayer(player) => |
| result(trySuckFromInventory(inventory, |
| slot => inventory.canExtractItem(slot, inventory.getStackInSlot(slot), facing.getOpposite.ordinal()))) |
| case inventory: IInventory if inventory.isUseableByPlayer(player) => |
| result(trySuckFromInventory(inventory, slot => true)) |
| case _ => |
| for (entity <- player.entitiesOnSide[EntityMinecartContainer](facing) if entity.isUseableByPlayer(player)) { |
| if (trySuckFromInventory(entity, slot => true)) { |
| return result(true) |
| } |
| } |
| for (entity <- player.entitiesOnSide[EntityItem](facing) if !entity.isDead && entity.delayBeforeCanPickup <= 0) { |
| val stack = entity.getEntityItem |
| val size = stack.stackSize |
| entity.onCollideWithPlayer(player) |
| if (stack.stackSize < size || entity.isDead) { |
| context.pause(Settings.get.suckDelay) |
| return result(true) |
| } |
| } |
| result(false) |
| } |
| } |
| |
| // ----------------------------------------------------------------------- // |
| |
| @LuaCallback("detect") |
| def detect(context: Context, args: Arguments): Array[AnyRef] = { |
| val side = checkSideForAction(args, 0) |
| val (something, what) = blockContent(side) |
| result(something, what) |
| } |
| |
| // ----------------------------------------------------------------------- // |
| |
| @LuaCallback("swing") |
| def swing(context: Context, args: Arguments): Array[AnyRef] = { |
| // Swing the equipped tool (left click). |
| val facing = checkSideForAction(args, 0) |
| val sides = |
| if (args.isInteger(1)) { |
| Iterable(checkSideForFace(args, 1, facing)) |
| } |
| else { |
| ForgeDirection.VALID_DIRECTIONS.filter(_ != facing.getOpposite).toIterable |
| } |
| |
| def triggerDelay(delay: Double = Settings.get.swingDelay) = { |
| context.pause(delay) |
| robot.animateSwing(Settings.get.swingDelay) |
| } |
| def attack(entity: Entity) = { |
| beginConsumeDrops(entity) |
| player.attackTargetEntityWithCurrentItem(entity) |
| // Mine carts have to be hit quickly in succession to break, so we click |
| // until it breaks. But avoid an infinite loop... you never know. |
| entity match { |
| case _: EntityMinecart => for (_ <- 0 until 10 if !entity.isDead) { |
| player.attackTargetEntityWithCurrentItem(entity) |
| } |
| case _ => |
| } |
| endConsumeDrops(entity) |
| triggerDelay() |
| (true, "entity") |
| } |
| def click(x: Int, y: Int, z: Int, side: Int) = { |
| val breakTime = player.clickBlock(x, y, z, side) |
| val broke = breakTime > 0 |
| if (broke) { |
| // Subtract one tick because we take one to trigger the action - a bit |
| // more than one tick avoid floating point inaccuracy incurring another |
| // tick of delay. |
| triggerDelay(breakTime - 0.055) |
| } |
| (broke, "block") |
| } |
| |
| for (side <- sides) { |
| val player = robot.player(facing, side) |
| val (success, what) = Option(pick(player, Settings.get.swingRange)) match { |
| case Some(hit) => |
| hit.typeOfHit match { |
| case EnumMovingObjectType.ENTITY => |
| attack(hit.entityHit) |
| case EnumMovingObjectType.TILE => |
| click(hit.blockX, hit.blockY, hit.blockZ, hit.sideHit) |
| } |
| case _ => // Retry with full block bounds, disregarding swing range. |
| player.closestEntity[EntityLivingBase]() match { |
| case Some(entity) => |
| attack(entity) |
| case _ => |
| if (world.extinguishFire(player, x, y, z, facing.ordinal)) { |
| triggerDelay() |
| (true, "fire") |
| } |
| else (false, "air") |
| } |
| } |
| if (success) { |
| return result(true, what) |
| } |
| } |
| |
| result(false) |
| } |
| |
| @LuaCallback("use") |
| def use(context: Context, args: Arguments): Array[AnyRef] = { |
| val facing = checkSideForAction(args, 0) |
| val sides = |
| if (args.isInteger(1)) { |
| Iterable(checkSideForFace(args, 1, facing)) |
| } |
| else { |
| ForgeDirection.VALID_DIRECTIONS.filter(_ != facing.getOpposite).toIterable |
| } |
| val sneaky = args.isBoolean(2) && args.checkBoolean(2) |
| val duration = |
| if (args.isDouble(3)) args.checkDouble(3) |
| else 0.0 |
| |
| def triggerDelay() { |
| context.pause(Settings.get.useDelay) |
| robot.animateSwing(Settings.get.useDelay) |
| } |
| def activationResult(activationType: ActivationType.Value) = |
| activationType match { |
| case ActivationType.BlockActivated => |
| triggerDelay() |
| (true, "block_activated") |
| case ActivationType.ItemPlaced => |
| triggerDelay() |
| (true, "item_placed") |
| case ActivationType.ItemUsed => |
| triggerDelay() |
| (true, "item_used") |
| case _ => (false, "") |
| } |
| |
| for (side <- sides) { |
| val player = robot.player(facing, side) |
| player.setSneaking(sneaky) |
| |
| def interact(entity: Entity) = { |
| beginConsumeDrops(entity) |
| val result = player.interactWith(entity) |
| endConsumeDrops(entity) |
| result |
| } |
| val (success, what) = Option(pick(player, Settings.get.useAndPlaceRange)) match { |
| case Some(hit) if hit.typeOfHit == EnumMovingObjectType.ENTITY && interact(hit.entityHit) => |
| triggerDelay() |
| (true, "item_interacted") |
| case Some(hit) if hit.typeOfHit == EnumMovingObjectType.TILE => |
| val (bx, by, bz, hx, hy, hz) = clickParamsFromHit(hit) |
| activationResult(player.activateBlockOrUseItem(bx, by, bz, hit.sideHit, hx, hy, hz, duration)) |
| case _ => |
| (if (Settings.get.canPlaceInAir) { |
| val (bx, by, bz, hx, hy, hz) = clickParamsFromFacing(facing, side) |
| player.activateBlockOrUseItem(bx, by, bz, side.getOpposite.ordinal, hx, hy, hz, duration) |
| } else ActivationType.None) match { |
| case ActivationType.None => |
| if (player.useEquippedItem(duration)) { |
| triggerDelay() |
| (true, "item_used") |
| } |
| else (false, "air") |
| case activationType => activationResult(activationType) |
| } |
| } |
| |
| player.setSneaking(false) |
| if (success) { |
| return result(true, what) |
| } |
| } |
| |
| result(false) |
| } |
| |
| @LuaCallback("durability") |
| def durability(context: Context, args: Arguments): Array[AnyRef] = { |
| Option(robot.getStackInSlot(0)) match { |
| case Some(item) => |
| if (item.isItemStackDamageable) { |
| result(item.getMaxDamage - item.getItemDamage) |
| } |
| else result(Unit, "tool cannot be damaged") |
| case _ => result(Unit, "no tool equipped") |
| } |
| } |
| |
| // ----------------------------------------------------------------------- // |
| |
| @LuaCallback("move") |
| def move(context: Context, args: Arguments): Array[AnyRef] = { |
| val direction = checkSideForMovement(args, 0) |
| val (something, what) = blockContent(direction) |
| if (something) { |
| result(false, what) |
| } |
| else { |
| if (!robot.battery.tryChangeBuffer(-Settings.get.robotMoveCost)) { |
| result(false, "not enough energy") |
| } |
| else if (robot.move(direction)) { |
| context.pause(Settings.get.moveDelay) |
| result(true) |
| } |
| else { |
| robot.battery.changeBuffer(Settings.get.robotMoveCost) |
| result(false, "impossible move") |
| } |
| } |
| } |
| |
| @LuaCallback("turn") |
| def turn(context: Context, args: Arguments): Array[AnyRef] = { |
| val clockwise = args.checkBoolean(0) |
| if (robot.battery.tryChangeBuffer(-Settings.get.robotTurnCost)) { |
| if (clockwise) robot.rotate(ForgeDirection.UP) |
| else robot.rotate(ForgeDirection.DOWN) |
| robot.animateTurn(clockwise, Settings.get.turnDelay) |
| context.pause(Settings.get.turnDelay) |
| result(true) |
| } |
| else { |
| result(false, "not enough energy") |
| } |
| } |
| |
| // ----------------------------------------------------------------------- // |
| |
| private def beginConsumeDrops(entity: Entity) { |
| entity.captureDrops = true |
| } |
| |
| private def endConsumeDrops(entity: Entity) { |
| entity.captureDrops = false |
| for (drop <- entity.capturedDrops) { |
| val stack = drop.getEntityItem |
| player.inventory.addItemStackToInventory(stack) |
| if (stack.stackSize > 0) { |
| player.dropPlayerItemWithRandomChoice(stack, inPlace = false) |
| } |
| } |
| entity.capturedDrops.clear() |
| } |
| |
| // ----------------------------------------------------------------------- // |
| |
| private def blockContent(side: ForgeDirection) = { |
| player.closestEntity[Entity](side) match { |
| case Some(_@(_: EntityLivingBase | _: EntityMinecart)) => |
| (true, "entity") |
| case _ => |
| val (bx, by, bz) = (x + side.offsetX, y + side.offsetY, z + side.offsetZ) |
| val id = world.getBlockId(bx, by, bz) |
| val block = Block.blocksList(id) |
| if (id == 0 || block == null || block.isAirBlock(world, bx, by, bz)) { |
| (false, "air") |
| } |
| else if (FluidRegistry.lookupFluidForBlock(block) != null || block.isInstanceOf[BlockFluid]) { |
| (false, "liquid") |
| } |
| else if (block.isBlockReplaceable(world, bx, by, bz)) { |
| (false, "replaceable") |
| } |
| else { |
| (true, "solid") |
| } |
| } |
| } |
| |
| private def clickParamsFromFacing(facing: ForgeDirection, side: ForgeDirection) = { |
| (x + facing.offsetX + side.offsetX, |
| y + facing.offsetY + side.offsetY, |
| z + facing.offsetZ + side.offsetZ, |
| 0.5f - side.offsetX * 0.5f, |
| 0.5f - side.offsetY * 0.5f, |
| 0.5f - side.offsetZ * 0.5f) |
| } |
| |
| private def pick(player: Player, range: Double) = { |
| val origin = world.getWorldVec3Pool.getVecFromPool(player.posX, player.posY, player.posZ) |
| val blockCenter = origin.addVector(player.facing.offsetX, player.facing.offsetY, player.facing.offsetZ) |
| val target = blockCenter.addVector(player.side.offsetX * range, player.side.offsetY * range, player.side.offsetZ * range) |
| val hit = world.clip(origin, target) |
| player.closestEntity[Entity]() match { |
| case Some(entity@(_: EntityLivingBase | _: EntityMinecart)) if hit == null || player.getPosition(1).distanceTo(hit.hitVec) > player.getDistanceToEntity(entity) => new MovingObjectPosition(entity) |
| case _ => hit |
| } |
| } |
| |
| private def clickParamsFromHit(hit: MovingObjectPosition) = { |
| (hit.blockX, hit.blockY, hit.blockZ, |
| (hit.hitVec.xCoord - hit.blockX).toFloat, |
| (hit.hitVec.yCoord - hit.blockY).toFloat, |
| (hit.hitVec.zCoord - hit.blockZ).toFloat) |
| } |
| |
| // ----------------------------------------------------------------------- // |
| |
| private def haveSameItemType(stackA: ItemStack, stackB: ItemStack) = |
| stackA.getItem == stackB.getItem && |
| (!stackA.getHasSubtypes || stackA.getItemDamage == stackB.getItemDamage) |
| |
| private def stackInSlot(slot: Int) = Option(robot.getStackInSlot(slot)) |
| |
| // ----------------------------------------------------------------------- // |
| |
| private def checkOptionalItemCount(args: Arguments, n: Int) = |
| if (args.count > n && args.checkAny(n) != null) { |
| args.checkInteger(n) max 0 min robot.getInventoryStackLimit |
| } |
| else robot.getInventoryStackLimit |
| |
| private def checkSlot(args: Arguments, n: Int) = { |
| val slot = args.checkInteger(n) - 1 |
| if (slot < 0 || slot > 15) { |
| throw new IllegalArgumentException("invalid slot") |
| } |
| actualSlot(slot) |
| } |
| |
| private def checkSideForAction(args: Arguments, n: Int) = checkSide(args, n, ForgeDirection.SOUTH, ForgeDirection.UP, ForgeDirection.DOWN) |
| |
| private def checkSideForMovement(args: Arguments, n: Int) = checkSide(args, n, ForgeDirection.SOUTH, ForgeDirection.NORTH, ForgeDirection.UP, ForgeDirection.DOWN) |
| |
| private def checkSideForFace(args: Arguments, n: Int, facing: ForgeDirection) = checkSide(args, n, ForgeDirection.VALID_DIRECTIONS.filter(_ != facing.getOpposite): _*) |
| |
| private def checkSide(args: Arguments, n: Int, allowed: ForgeDirection*) = { |
| val side = args.checkInteger(n) |
| if (side < 0 || side > 5) { |
| throw new IllegalArgumentException("invalid side") |
| } |
| val direction = ForgeDirection.getOrientation(side) |
| if (allowed.isEmpty || (allowed contains direction)) robot.toGlobal(direction) |
| else throw new IllegalArgumentException("unsupported side") |
| } |
| } |