buildcraft/common/buildcraft/builders/TileBuilder.java
2017-11-10 19:30:36 +01:00

960 lines
24 KiB
Java

/**
* Copyright (c) 2011-2017, SpaceToad and the BuildCraft Team
* http://www.mod-buildcraft.com
* <p/>
* BuildCraft is distributed under the terms of the Minecraft Mod Public
* License 1.0, or MMPL. Please check the contents of the license located in
* http://www.mod-buildcraft.com/MMPL-1.0.txt
*/
package buildcraft.builders;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import io.netty.buffer.ByteBuf;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraft.nbt.NBTTagCompound;
import net.minecraft.nbt.NBTTagList;
import net.minecraft.tileentity.TileEntity;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.world.WorldSettings.GameType;
import cpw.mods.fml.relauncher.Side;
import net.minecraftforge.common.util.Constants;
import net.minecraftforge.common.util.ForgeDirection;
import net.minecraftforge.fluids.Fluid;
import net.minecraftforge.fluids.FluidContainerRegistry;
import net.minecraftforge.fluids.FluidStack;
import net.minecraftforge.fluids.FluidTankInfo;
import net.minecraftforge.fluids.IFluidHandler;
import buildcraft.BuildCraftCore;
import buildcraft.api.core.BCLog;
import buildcraft.api.core.BlockIndex;
import buildcraft.api.core.IInvSlot;
import buildcraft.api.core.IPathProvider;
import buildcraft.api.core.Position;
import buildcraft.api.core.SafeTimeTracker;
import buildcraft.api.robots.IRequestProvider;
import buildcraft.api.tiles.IControllable;
import buildcraft.api.tiles.IHasWork;
import buildcraft.builders.blueprints.RecursiveBlueprintBuilder;
import buildcraft.core.Box;
import buildcraft.core.Box.Kind;
import buildcraft.core.LaserData;
import buildcraft.core.blueprints.Blueprint;
import buildcraft.core.blueprints.BlueprintBase;
import buildcraft.core.blueprints.BptBuilderBase;
import buildcraft.core.blueprints.BptBuilderBlueprint;
import buildcraft.core.blueprints.BptBuilderTemplate;
import buildcraft.core.blueprints.RequirementItemStack;
import buildcraft.core.builders.TileAbstractBuilder;
import buildcraft.core.lib.fluids.Tank;
import buildcraft.core.lib.fluids.TankManager;
import buildcraft.core.lib.inventory.ITransactor;
import buildcraft.core.lib.inventory.InvUtils;
import buildcraft.core.lib.inventory.InventoryIterator;
import buildcraft.core.lib.inventory.SimpleInventory;
import buildcraft.core.lib.inventory.StackHelper;
import buildcraft.core.lib.inventory.Transactor;
import buildcraft.core.lib.network.Packet;
import buildcraft.core.lib.network.command.CommandWriter;
import buildcraft.core.lib.network.command.PacketCommand;
import buildcraft.core.lib.utils.NetworkUtils;
public class TileBuilder extends TileAbstractBuilder implements IHasWork, IFluidHandler, IRequestProvider, IControllable {
private static int POWER_ACTIVATION = 500;
public Box box = new Box();
public PathIterator currentPathIterator;
public Tank[] fluidTanks = new Tank[]{
new Tank("fluid1", FluidContainerRegistry.BUCKET_VOLUME * 8, this),
new Tank("fluid2", FluidContainerRegistry.BUCKET_VOLUME * 8, this),
new Tank("fluid3", FluidContainerRegistry.BUCKET_VOLUME * 8, this),
new Tank("fluid4", FluidContainerRegistry.BUCKET_VOLUME * 8, this)
};
public TankManager<Tank> fluidTank = new TankManager<Tank>(fluidTanks);
private SafeTimeTracker networkUpdateTracker = new SafeTimeTracker(BuildCraftCore.updateFactor / 2);
private boolean shouldUpdateRequirements;
private SimpleInventory inv = new SimpleInventory(28, "Builder", 64);
private BptBuilderBase currentBuilder;
private RecursiveBlueprintBuilder recursiveBuilder;
private List<BlockIndex> path;
private ArrayList<RequirementItemStack> requiredToBuild;
private NBTTagCompound initNBT = null;
private boolean done = true;
private boolean isBuilding = false;
private class PathIterator {
public Iterator<BlockIndex> currentIterator;
public double cx, cy, cz;
public float ix, iy, iz;
public BlockIndex to;
public double lastDistance;
AxisAlignedBB oldBoundingBox = null;
ForgeDirection o = null;
public PathIterator(BlockIndex from, Iterator<BlockIndex> it, ForgeDirection initialDir) {
this.to = it.next();
currentIterator = it;
double dx = to.x - from.x;
double dy = to.y - from.y;
double dz = to.z - from.z;
double size = Math.sqrt(dx * dx + dy * dy + dz * dz);
cx = dx / size / 10;
cy = dy / size / 10;
cz = dz / size / 10;
ix = from.x;
iy = from.y;
iz = from.z;
lastDistance = (ix - to.x) * (ix - to.x) + (iy - to.y)
* (iy - to.y) + (iz - to.z) * (iz - to.z);
if (dx == 0 && dz == 0) {
o = initialDir;
} else if (Math.abs(dx) > Math.abs(dz)) {
if (dx > 0) {
o = ForgeDirection.EAST;
} else {
o = ForgeDirection.WEST;
}
} else {
if (dz > 0) {
o = ForgeDirection.SOUTH;
} else {
o = ForgeDirection.NORTH;
}
}
}
/**
* Return false when reached the end of the iteration
*/
public BptBuilderBase next() {
while (true) {
BptBuilderBase bpt;
int newX = Math.round(ix);
int newY = Math.round(iy);
int newZ = Math.round(iz);
bpt = instanciateBluePrintBuilder(newX, newY, newZ, o);
if (bpt == null) {
return null;
}
AxisAlignedBB boundingBox = bpt.getBoundingBox();
if (oldBoundingBox == null || !collision(oldBoundingBox, boundingBox)) {
oldBoundingBox = boundingBox;
return bpt;
}
ix += cx;
iy += cy;
iz += cz;
double distance = (ix - to.x) * (ix - to.x) + (iy - to.y)
* (iy - to.y) + (iz - to.z) * (iz - to.z);
if (distance > lastDistance) {
return null;
} else {
lastDistance = distance;
}
}
}
public PathIterator iterate() {
if (currentIterator.hasNext()) {
PathIterator next = new PathIterator(to, currentIterator, o);
next.oldBoundingBox = oldBoundingBox;
return next;
} else {
return null;
}
}
public boolean collision(AxisAlignedBB left, AxisAlignedBB right) {
if (left.maxX < right.minX || left.minX > right.maxX) {
return false;
}
if (left.maxY < right.minY || left.minY > right.maxY) {
return false;
}
if (left.maxZ < right.minZ || left.minZ > right.maxZ) {
return false;
}
return true;
}
}
public TileBuilder() {
super();
box.kind = Kind.STRIPES;
}
@Override
public void initialize() {
super.initialize();
if (worldObj.isRemote) {
return;
}
if (initNBT != null) {
iterateBpt(true);
if (initNBT.hasKey("iterator")) {
BlockIndex expectedTo = new BlockIndex(initNBT.getCompoundTag("iterator"));
while (!done && currentBuilder != null && currentPathIterator != null) {
BlockIndex bi = new BlockIndex((int) currentPathIterator.ix,
(int) currentPathIterator.iy, (int) currentPathIterator.iz);
if (bi.equals(expectedTo)) {
break;
}
iterateBpt(true);
}
}
if (currentBuilder != null) {
currentBuilder.loadBuildStateToNBT(
initNBT.getCompoundTag("builderState"), this);
}
initNBT = null;
}
box.kind = Kind.STRIPES;
for (int x = xCoord - 1; x <= xCoord + 1; ++x) {
for (int y = yCoord - 1; y <= yCoord + 1; ++y) {
for (int z = zCoord - 1; z <= zCoord + 1; ++z) {
TileEntity tile = worldObj.getTileEntity(x, y, z);
if (tile instanceof IPathProvider) {
path = ((IPathProvider) tile).getPath();
((IPathProvider) tile).removeFromWorld();
break;
}
}
}
}
if (path != null && pathLasers.size() == 0) {
createLasersForPath();
sendNetworkUpdate();
}
iterateBpt(false);
}
public void createLasersForPath() {
pathLasers = new LinkedList<LaserData>();
BlockIndex previous = null;
for (BlockIndex b : path) {
if (previous != null) {
LaserData laser = new LaserData(new Position(previous.x + 0.5,
previous.y + 0.5, previous.z + 0.5), new Position(
b.x + 0.5, b.y + 0.5, b.z + 0.5));
pathLasers.add(laser);
}
previous = b;
}
}
public BlueprintBase instanciateBlueprint() {
BlueprintBase bpt;
try {
bpt = ItemBlueprint.loadBlueprint(getStackInSlot(0));
} catch (Throwable t) {
t.printStackTrace();
return null;
}
return bpt;
}
@Deprecated
public BptBuilderBase instanciateBluePrintBuilder(int x, int y, int z, ForgeDirection o) {
BlueprintBase bpt = instanciateBlueprint();
if (bpt == null) {
return null;
}
bpt = bpt.adjustToWorld(worldObj, x, y, z, o);
if (bpt != null) {
if (getStackInSlot(0).getItem() instanceof ItemBlueprintStandard) {
return new BptBuilderBlueprint((Blueprint) bpt, worldObj, x, y, z);
} else if (getStackInSlot(0).getItem() instanceof ItemBlueprintTemplate) {
return new BptBuilderTemplate(bpt, worldObj, x, y, z);
}
}
return null;
}
public void iterateBpt(boolean forceIterate) {
if (getStackInSlot(0) == null || !(getStackInSlot(0).getItem() instanceof ItemBlueprint)) {
if (box.isInitialized()) {
if (currentBuilder != null) {
currentBuilder = null;
}
if (box.isInitialized()) {
box.reset();
}
if (currentPathIterator != null) {
currentPathIterator = null;
}
scheduleRequirementUpdate();
sendNetworkUpdate();
return;
}
}
if (currentBuilder == null || (currentBuilder.isDone(this) || forceIterate)) {
if (path != null && path.size() > 1) {
if (currentPathIterator == null) {
Iterator<BlockIndex> it = path.iterator();
BlockIndex start = it.next();
currentPathIterator = new PathIterator(start, it,
ForgeDirection.values()[worldObj.getBlockMetadata(
xCoord, yCoord, zCoord)].getOpposite());
}
if (currentBuilder != null && currentBuilder.isDone(this)) {
currentBuilder.postProcessing(worldObj);
}
currentBuilder = currentPathIterator.next();
if (currentBuilder != null) {
box.reset();
box.initialize(currentBuilder);
sendNetworkUpdate();
}
if (currentBuilder == null) {
currentPathIterator = currentPathIterator.iterate();
}
if (currentPathIterator == null) {
done = true;
} else {
done = false;
}
scheduleRequirementUpdate();
} else {
if (currentBuilder != null && currentBuilder.isDone(this)) {
currentBuilder.postProcessing(worldObj);
currentBuilder = recursiveBuilder.nextBuilder();
scheduleRequirementUpdate();
} else {
BlueprintBase bpt = instanciateBlueprint();
if (bpt != null) {
recursiveBuilder = new RecursiveBlueprintBuilder(bpt, worldObj, xCoord, yCoord, zCoord,
ForgeDirection.values()[worldObj.getBlockMetadata(xCoord, yCoord, zCoord)].getOpposite());
currentBuilder = recursiveBuilder.nextBuilder();
scheduleRequirementUpdate();
}
}
if (currentBuilder == null) {
done = true;
} else {
box.initialize(currentBuilder);
sendNetworkUpdate();
done = false;
}
}
}
if (done && getStackInSlot(0) != null) {
boolean dropBlueprint = true;
for (int i = 1; i < getSizeInventory(); ++i) {
if (getStackInSlot(i) == null) {
setInventorySlotContents(i, getStackInSlot(0));
dropBlueprint = false;
break;
}
}
if (dropBlueprint) {
InvUtils.dropItems(getWorldObj(), getStackInSlot(0), xCoord, yCoord, zCoord);
}
setInventorySlotContents(0, null);
box.reset();
}
}
@Override
public int getSizeInventory() {
return inv.getSizeInventory();
}
@Override
public ItemStack getStackInSlot(int i) {
return inv.getStackInSlot(i);
}
@Override
public ItemStack decrStackSize(int i, int j) {
ItemStack result = inv.decrStackSize(i, j);
if (!worldObj.isRemote) {
if (i == 0) {
BuildCraftCore.instance.sendToWorld(new PacketCommand(this, "clearItemRequirements", null), worldObj);
iterateBpt(false);
}
}
return result;
}
@Override
public void setInventorySlotContents(int i, ItemStack itemstack) {
inv.setInventorySlotContents(i, itemstack);
if (!worldObj.isRemote) {
if (i == 0) {
iterateBpt(false);
done = false;
}
}
}
@Override
public ItemStack getStackInSlotOnClosing(int slot) {
return inv.getStackInSlotOnClosing(slot);
}
@Override
public String getInventoryName() {
return "Builder";
}
@Override
public int getInventoryStackLimit() {
return 64;
}
@Override
public boolean isUseableByPlayer(EntityPlayer entityplayer) {
return worldObj.getTileEntity(xCoord, yCoord, zCoord) == this;
}
@Override
public void readFromNBT(NBTTagCompound nbttagcompound) {
super.readFromNBT(nbttagcompound);
inv.readFromNBT(nbttagcompound);
if (nbttagcompound.hasKey("box")) {
box.initialize(nbttagcompound.getCompoundTag("box"));
}
if (nbttagcompound.hasKey("path")) {
path = new LinkedList<BlockIndex>();
NBTTagList list = nbttagcompound.getTagList("path",
Constants.NBT.TAG_COMPOUND);
for (int i = 0; i < list.tagCount(); ++i) {
path.add(new BlockIndex(list.getCompoundTagAt(i)));
}
}
done = nbttagcompound.getBoolean("done");
fluidTank.readFromNBT(nbttagcompound);
// The rest of load has to be done upon initialize.
initNBT = (NBTTagCompound) nbttagcompound.getCompoundTag("bptBuilder").copy();
}
@Override
public void writeToNBT(NBTTagCompound nbttagcompound) {
super.writeToNBT(nbttagcompound);
inv.writeToNBT(nbttagcompound);
if (box.isInitialized()) {
NBTTagCompound boxStore = new NBTTagCompound();
box.writeToNBT(boxStore);
nbttagcompound.setTag("box", boxStore);
}
if (path != null) {
NBTTagList list = new NBTTagList();
for (BlockIndex i : path) {
NBTTagCompound c = new NBTTagCompound();
i.writeTo(c);
list.appendTag(c);
}
nbttagcompound.setTag("path", list);
}
nbttagcompound.setBoolean("done", done);
fluidTank.writeToNBT(nbttagcompound);
NBTTagCompound bptNBT = new NBTTagCompound();
if (currentBuilder != null) {
NBTTagCompound builderCpt = new NBTTagCompound();
currentBuilder.saveBuildStateToNBT(builderCpt, this);
bptNBT.setTag("builderState", builderCpt);
}
if (currentPathIterator != null) {
NBTTagCompound iteratorNBT = new NBTTagCompound();
new BlockIndex((int) currentPathIterator.ix,
(int) currentPathIterator.iy, (int) currentPathIterator.iz)
.writeTo(iteratorNBT);
bptNBT.setTag("iterator", iteratorNBT);
}
nbttagcompound.setTag("bptBuilder", bptNBT);
}
@Override
public void invalidate() {
super.invalidate();
destroy();
}
@Override
public void openInventory() {
}
@Override
public void closeInventory() {
}
@Override
public void updateEntity() {
super.updateEntity();
if (worldObj.isRemote) {
return;
}
if (shouldUpdateRequirements && networkUpdateTracker.markTimeIfDelay(worldObj)) {
updateRequirements();
shouldUpdateRequirements = false;
}
if ((currentBuilder == null || currentBuilder.isDone(this))
&& box.isInitialized()) {
box.reset();
sendNetworkUpdate();
return;
}
iterateBpt(false);
if (mode != Mode.Off) {
if (getWorldObj().getWorldInfo().getGameType() == GameType.CREATIVE
|| getBattery().getEnergyStored() > POWER_ACTIVATION) {
build();
}
}
if (!isBuilding && this.isBuildingBlueprint()) {
scheduleRequirementUpdate();
}
isBuilding = this.isBuildingBlueprint();
if (done) {
return;
} else if (getBattery().getEnergyStored() < 25) {
return;
}
}
@Override
public boolean hasWork() {
return !done;
}
public boolean isBuildingBlueprint() {
return getStackInSlot(0) != null && getStackInSlot(0).getItem() instanceof ItemBlueprint;
}
public List<RequirementItemStack> getNeededItems() {
return worldObj.isRemote ? requiredToBuild : (currentBuilder instanceof BptBuilderBlueprint ? ((BptBuilderBlueprint) currentBuilder).getNeededItems() : null);
}
@Override
public void receiveCommand(String command, Side side, Object sender, ByteBuf stream) {
super.receiveCommand(command, side, sender, stream);
if (side.isClient()) {
if ("clearItemRequirements".equals(command)) {
requiredToBuild = null;
} else if ("setItemRequirements".equals(command)) {
int size = stream.readUnsignedMedium();
requiredToBuild = new ArrayList<RequirementItemStack>();
for (int i = 0; i < size; i++) {
int itemId = stream.readUnsignedShort();
int itemDamage = stream.readShort();
int stackSize = stream.readUnsignedMedium();
boolean hasCompound = stackSize >= 0x800000;
ItemStack stack = new ItemStack(Item.getItemById(itemId), 1, itemDamage);
if (hasCompound) {
stack.setTagCompound(NetworkUtils.readNBT(stream));
}
if (stack.getItem() != null) {
requiredToBuild.add(new RequirementItemStack(stack, stackSize & 0x7FFFFF));
} else {
BCLog.logger.error("Corrupt ItemStack in TileBuilder.receiveCommand! This should not happen! (ID " + itemId + ", damage " + itemDamage + ")");
}
}
}
} else if (side.isServer()) {
EntityPlayer player = (EntityPlayer) sender;
if ("eraseFluidTank".equals(command)) {
int id = stream.readInt();
if (id < 0 || id >= fluidTanks.length) {
return;
}
if (isUseableByPlayer(player) && player.getDistanceSq(xCoord, yCoord, zCoord) <= 64) {
fluidTanks[id].setFluid(null);
sendNetworkUpdate();
}
}
}
}
private Packet getItemRequirementsPacket(List<RequirementItemStack> itemsIn) {
if (itemsIn != null) {
final List<RequirementItemStack> items = new ArrayList<RequirementItemStack>();
items.addAll(itemsIn);
return new PacketCommand(this, "setItemRequirements", new CommandWriter() {
public void write(ByteBuf data) {
data.writeMedium(items.size());
for (RequirementItemStack rb : items) {
data.writeShort(Item.getIdFromItem(rb.stack.getItem()));
data.writeShort(rb.stack.getItemDamage());
data.writeMedium((rb.stack.hasTagCompound() ? 0x800000 : 0x000000) | Math.min(0x7FFFFF, rb.size));
if (rb.stack.hasTagCompound()) {
NetworkUtils.writeNBT(data, rb.stack.getTagCompound());
}
}
}
});
} else {
return new PacketCommand(this, "clearItemRequirements", null);
}
}
@Override
public boolean isBuildingMaterialSlot(int i) {
return i != 0;
}
@Override
public boolean hasCustomInventoryName() {
return false;
}
@Override
public boolean isItemValidForSlot(int slot, ItemStack stack) {
if (slot == 0) {
return stack.getItem() instanceof ItemBlueprint;
} else {
return true;
}
}
@Override
public Box getBox() {
return box;
}
@Override
public AxisAlignedBB getRenderBoundingBox() {
Box renderBox = new Box(this).extendToEncompass(box);
for (LaserData l : pathLasers) {
renderBox = renderBox.extendToEncompass(l.head);
renderBox = renderBox.extendToEncompass(l.tail);
}
return renderBox.expand(50).getBoundingBox();
}
public void build() {
if (currentBuilder != null) {
if (currentBuilder.buildNextSlot(worldObj, this, xCoord, yCoord, zCoord)) {
scheduleRequirementUpdate();
}
}
}
private void updateRequirements() {
List<RequirementItemStack> reqCopy = null;
if (currentBuilder instanceof BptBuilderBlueprint) {
currentBuilder.initialize();
reqCopy = ((BptBuilderBlueprint) currentBuilder).getNeededItems();
}
for (EntityPlayer p : guiWatchers) {
BuildCraftCore.instance.sendToPlayer(p, getItemRequirementsPacket(reqCopy));
}
}
public void scheduleRequirementUpdate() {
shouldUpdateRequirements = true;
}
public void updateRequirementsOnGuiOpen(EntityPlayer caller) {
List<RequirementItemStack> reqCopy = null;
if (currentBuilder instanceof BptBuilderBlueprint) {
currentBuilder.initialize();
reqCopy = ((BptBuilderBlueprint) currentBuilder).getNeededItems();
}
BuildCraftCore.instance.sendToPlayer(caller, getItemRequirementsPacket(reqCopy));
}
public BptBuilderBase getBlueprint() {
if (currentBuilder != null) {
return currentBuilder;
} else {
return null;
}
}
@Override
public boolean canDrain(ForgeDirection from, Fluid fluid) {
return false;
}
@Override
public FluidStack drain(ForgeDirection from, FluidStack resource, boolean doDrain) {
return null;
}
@Override
public FluidStack drain(ForgeDirection from, int maxDrain, boolean doDrain) {
return null;
}
@Override
public boolean drainBuild(FluidStack fluidStack, boolean realDrain) {
for (Tank tank : fluidTanks) {
if (tank.getFluidType() == fluidStack.getFluid()) {
return tank.getFluidAmount() >= fluidStack.amount && tank.drain(fluidStack.amount, realDrain).amount > 0;
}
}
return false;
}
@Override
public int fill(ForgeDirection from, FluidStack resource, boolean doFill) {
Fluid fluid = resource.getFluid();
Tank emptyTank = null;
for (Tank tank : fluidTanks) {
Fluid type = tank.getFluidType();
if (type == fluid) {
int used = tank.fill(resource, doFill);
if (used > 0 && doFill) {
sendNetworkUpdate();
}
return used;
} else if (emptyTank == null && tank.isEmpty()) {
emptyTank = tank;
}
}
if (emptyTank != null) {
int used = emptyTank.fill(resource, doFill);
if (used > 0 && doFill) {
sendNetworkUpdate();
}
return used;
}
return 0;
}
@Override
public boolean canFill(ForgeDirection from, Fluid fluid) {
boolean emptyAvailable = false;
for (Tank tank : fluidTanks) {
Fluid type = tank.getFluidType();
if (type == fluid) {
return !tank.isFull();
} else if (!emptyAvailable) {
emptyAvailable = tank.isEmpty();
}
}
return emptyAvailable;
}
@Override
public FluidTankInfo[] getTankInfo(ForgeDirection from) {
return fluidTank.getTankInfo(from);
}
@Override
public int getRequestsCount() {
if (currentBuilder == null) {
return 0;
} else if (!(currentBuilder instanceof BptBuilderBlueprint)) {
return 0;
} else {
BptBuilderBlueprint bpt = (BptBuilderBlueprint) currentBuilder;
return bpt.getNeededItems().size();
}
}
@Override
public ItemStack getRequest(int slot) {
if (currentBuilder == null) {
return null;
} else if (!(currentBuilder instanceof BptBuilderBlueprint)) {
return null;
} else {
BptBuilderBlueprint bpt = (BptBuilderBlueprint) currentBuilder;
List<RequirementItemStack> neededItems = bpt.getNeededItems();
if (neededItems.size() <= slot) {
return null;
}
RequirementItemStack requirement = neededItems.get(slot);
int qty = quantityMissing(requirement.stack, requirement.size);
if (qty <= 0) {
return null;
}
ItemStack requestStack = requirement.stack.copy();
requestStack.stackSize = qty;
return requestStack;
}
}
@Override
public ItemStack offerItem(int slot, ItemStack stack) {
if (currentBuilder == null) {
return stack;
} else if (!(currentBuilder instanceof BptBuilderBlueprint)) {
return stack;
} else {
BptBuilderBlueprint bpt = (BptBuilderBlueprint) currentBuilder;
List<RequirementItemStack> neededItems = bpt.getNeededItems();
if (neededItems.size() <= slot) {
return stack;
}
RequirementItemStack requirement = neededItems.get(slot);
int qty = quantityMissing(requirement.stack, requirement.size);
if (qty <= 0) {
return stack;
}
ItemStack toAdd = stack.copy();
if (qty < toAdd.stackSize) {
toAdd.stackSize = qty;
}
ITransactor t = Transactor.getTransactorFor(this);
ItemStack added = t.add(toAdd, ForgeDirection.UNKNOWN, true);
if (added.stackSize >= stack.stackSize) {
return null;
} else {
stack.stackSize -= added.stackSize;
return stack;
}
}
}
private int quantityMissing(ItemStack requirement, int amount) {
int left = amount <= 0 ? requirement.stackSize : amount;
for (IInvSlot slot : InventoryIterator.getIterable(this)) {
if (slot.getStackInSlot() != null) {
// TODO: This should also be using the Schematic version of the function!
if (StackHelper.isEqualItem(requirement, slot.getStackInSlot())) {
if (slot.getStackInSlot().stackSize >= left) {
return 0;
} else {
left -= slot.getStackInSlot().stackSize;
}
}
}
}
return left;
}
@Override
public boolean acceptsControlMode(Mode mode) {
return mode == Mode.Off || mode == Mode.On;
}
@Override
public void writeData(ByteBuf stream) {
super.writeData(stream);
box.writeData(stream);
fluidTank.writeData(stream);
}
@Override
public void readData(ByteBuf stream) {
super.readData(stream);
box.readData(stream);
fluidTank.readData(stream);
}
public Tank[] getFluidTanks() {
return fluidTanks;
}
}