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Pipes.java
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package com.sk89q.craftbook.mechanics.pipe;
import com.sk89q.craftbook.AbstractCraftBookMechanic;
import com.sk89q.craftbook.ChangedSign;
import com.sk89q.craftbook.CraftBookPlayer;
import com.sk89q.craftbook.bukkit.CraftBookPlugin;
import com.sk89q.craftbook.bukkit.util.CraftBookBukkitUtil;
import com.sk89q.craftbook.util.BlockSyntax;
import com.sk89q.craftbook.util.BlockUtil;
import com.sk89q.craftbook.util.EventUtil;
import com.sk89q.craftbook.util.InventoryUtil;
import com.sk89q.craftbook.util.ItemSyntax;
import com.sk89q.craftbook.util.ItemUtil;
import com.sk89q.craftbook.util.LocationUtil;
import com.sk89q.craftbook.util.ProtectionUtil;
import com.sk89q.craftbook.util.RegexUtil;
import com.sk89q.craftbook.util.SignUtil;
import com.sk89q.craftbook.util.VerifyUtil;
import com.sk89q.craftbook.util.events.SourcedBlockRedstoneEvent;
import com.sk89q.util.yaml.YAMLProcessor;
import com.sk89q.worldedit.bukkit.BukkitAdapter;
import com.sk89q.worldedit.world.block.BlockStateHolder;
import com.sk89q.worldedit.world.block.BlockTypes;
import org.bukkit.Bukkit;
import org.bukkit.Material;
import org.bukkit.Tag;
import org.bukkit.block.Block;
import org.bukkit.block.BlockFace;
import org.bukkit.block.Dropper;
import org.bukkit.block.Furnace;
import org.bukkit.block.Jukebox;
import org.bukkit.block.data.BlockData;
import org.bukkit.block.data.Directional;
import org.bukkit.block.data.type.Piston;
import org.bukkit.event.EventHandler;
import org.bukkit.event.EventPriority;
import org.bukkit.event.block.SignChangeEvent;
import org.bukkit.inventory.InventoryHolder;
import org.bukkit.inventory.ItemStack;
import org.bukkit.util.Vector;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Deque;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
public class Pipes extends AbstractCraftBookMechanic {
@EventHandler(priority = EventPriority.HIGH)
public void onSignChange(SignChangeEvent event) {
if(!EventUtil.passesFilter(event)) return;
if(!event.getLine(1).equalsIgnoreCase("[pipe]")) return;
CraftBookPlayer player = CraftBookPlugin.inst().wrapPlayer(event.getPlayer());
if(!player.hasPermission("craftbook.circuits.pipes")) {
if(CraftBookPlugin.inst().getConfiguration().showPermissionMessages)
player.printError("mech.create-permission");
SignUtil.cancelSign(event);
return;
}
if(ProtectionUtil.shouldUseProtection()) {
Block pistonBlock = null;
if (SignUtil.isWallSign(event.getBlock())) {
pistonBlock = SignUtil.getBackBlock(event.getBlock());
} else if (SignUtil.isStandingSign(event.getBlock())) {
if (isPiston(event.getBlock().getRelative(BlockFace.DOWN))) {
pistonBlock = event.getBlock().getRelative(BlockFace.DOWN);
} else if (isPiston(event.getBlock().getRelative(BlockFace.UP))) {
pistonBlock = event.getBlock().getRelative(BlockFace.UP);
}
}
if(pistonBlock != null && isPiston(pistonBlock)) {
Piston pis = (Piston) pistonBlock.getBlockData();
Block off = pistonBlock.getRelative(pis.getFacing());
if (InventoryUtil.doesBlockHaveInventory(off)) {
if (!ProtectionUtil.canAccessInventory(event.getPlayer(), off)) {
if (CraftBookPlugin.inst().getConfiguration().showPermissionMessages)
player.printError("area.use-permission");
SignUtil.cancelSign(event);
return;
}
}
} else {
player.printError("circuits.pipes.pipe-not-found");
SignUtil.cancelSign(event);
return;
}
}
event.setLine(1, "[Pipe]");
player.print("circuits.pipes.create");
}
private static boolean isPiston(Block block) {
return block.getType() == Material.PISTON || block.getType() == Material.STICKY_PISTON;
}
private static ChangedSign getSignOnPiston(Block block) {
BlockData blockData = block.getBlockData();
BlockFace facing = BlockFace.SELF;
if(blockData instanceof Directional) {
facing = ((Directional) blockData).getFacing();
}
for(BlockFace face : LocationUtil.getDirectFaces()) {
if(face == facing || !SignUtil.isSign(block.getRelative(face)))
continue;
if(!SignUtil.isStandingSign(block.getRelative(face)) && (face == BlockFace.UP || face == BlockFace.DOWN))
continue;
else if (SignUtil.isStandingSign(block.getRelative(face)) && face != BlockFace.UP && face != BlockFace.DOWN)
continue;
if(!SignUtil.isStandingSign(block.getRelative(face)) && !SignUtil.getBackBlock(block.getRelative(face)).getLocation().equals(block.getLocation()))
continue;
ChangedSign sign = CraftBookBukkitUtil.toChangedSign(block.getRelative(face));
if(sign != null && sign.getLine(1).equalsIgnoreCase("[Pipe]"))
return sign;
}
return null;
}
private void searchNearbyPipes(Block block, Set<Vector> visitedPipes, List<ItemStack> items) {
Deque<Block> searchQueue = new ArrayDeque<>();
searchQueue.addFirst(block);
//Use the queue to search blocks.
while (!searchQueue.isEmpty()) {
Block bl = searchQueue.poll();
if (bl.getType() == Material.PISTON) {
Piston p = (Piston) bl.getBlockData();
ChangedSign sign = getSignOnPiston(bl);
HashSet<ItemStack> pFilters = new HashSet<>();
HashSet<ItemStack> pExceptions = new HashSet<>();
if(sign != null) {
for(String line3 : RegexUtil.COMMA_PATTERN.split(sign.getLine(2))) {
pFilters.add(ItemSyntax.getItem(line3.trim()));
}
for(String line4 : RegexUtil.COMMA_PATTERN.split(sign.getLine(3))) {
pExceptions.add(ItemSyntax.getItem(line4.trim()));
}
pFilters.removeAll(Collections.<ItemStack>singleton(null));
pExceptions.removeAll(Collections.<ItemStack>singleton(null));
}
List<ItemStack> filteredItems = new ArrayList<>(VerifyUtil.withoutNulls(ItemUtil.filterItems(items, pFilters, pExceptions)));
if(filteredItems.isEmpty())
continue;
List<ItemStack> newItems = new ArrayList<>();
Block fac = bl.getRelative(p.getFacing());
PipePutEvent event = new PipePutEvent(bl, new ArrayList<>(filteredItems), fac);
Bukkit.getPluginManager().callEvent(event);
if (!event.isCancelled()) {
if (InventoryUtil.doesBlockHaveInventory(fac)) {
InventoryHolder holder = (InventoryHolder) fac.getState();
newItems.addAll(InventoryUtil.addItemsToInventory(holder, event.getItems().toArray(new ItemStack[event.getItems().size()])));
} else if (fac.getType() == Material.JUKEBOX) {
Jukebox juke = (Jukebox) fac.getState();
List<ItemStack> its = new ArrayList<>(event.getItems());
if (juke.getPlaying() != Material.AIR) {
Iterator<ItemStack> iter = its.iterator();
while (iter.hasNext()) {
ItemStack st = iter.next();
if (!st.getType().isRecord()) continue;
juke.setPlaying(st.getType());
juke.update();
iter.remove();
break;
}
}
newItems.addAll(its);
} else {
newItems.addAll(event.getItems());
}
items.removeAll(filteredItems);
items.addAll(newItems);
}
} else if (bl.getType() == Material.DROPPER) {
ChangedSign sign = getSignOnPiston(bl);
HashSet<ItemStack> pFilters = new HashSet<>();
HashSet<ItemStack> pExceptions = new HashSet<>();
if(sign != null) {
for(String line3 : RegexUtil.COMMA_PATTERN.split(sign.getLine(2))) {
pFilters.add(ItemSyntax.getItem(line3.trim()));
}
for(String line4 : RegexUtil.COMMA_PATTERN.split(sign.getLine(3))) {
pExceptions.add(ItemSyntax.getItem(line4.trim()));
}
pFilters.removeAll(Collections.<ItemStack>singleton(null));
pExceptions.removeAll(Collections.<ItemStack>singleton(null));
}
List<ItemStack> filteredItems = new ArrayList<>(VerifyUtil.withoutNulls(ItemUtil.filterItems(items, pFilters, pExceptions)));
if(filteredItems.isEmpty())
continue;
Dropper dropper = (Dropper) bl.getState();
List<ItemStack> newItems =
new ArrayList<>(dropper.getInventory().addItem(filteredItems.toArray(new ItemStack[filteredItems.size()])).values());
for(ItemStack stack : dropper.getInventory().getContents())
if(ItemUtil.isStackValid(stack))
for(int i = 0; i < stack.getAmount(); i++)
dropper.drop();
items.removeAll(filteredItems);
items.addAll(newItems);
}
if (!items.isEmpty()) {
//Enumerate the search queue.
for (int x = -1; x < 2; x++) {
for (int y = -1; y < 2; y++) {
for (int z = -1; z < 2; z++) {
if(items.isEmpty())
return;
if (!pipesDiagonal) {
if (x != 0 && y != 0) continue;
if (x != 0 && z != 0) continue;
if (y != 0 && z != 0) continue;
} else {
boolean xIsY = Math.abs(x) == Math.abs(y);
boolean xIsZ = Math.abs(x) == Math.abs(z);
if (xIsY && xIsZ) {
if (pipeInsulator.equalsFuzzy(BukkitAdapter.adapt(bl.getRelative(x, 0, 0).getBlockData()))
&& pipeInsulator.equalsFuzzy(BukkitAdapter.adapt(bl.getRelative(0, y, 0).getBlockData()))
&& pipeInsulator.equalsFuzzy(BukkitAdapter.adapt(bl.getRelative(0, 0, z).getBlockData()))) {
continue;
}
} else if (xIsY) {
if (pipeInsulator.equalsFuzzy(BukkitAdapter.adapt(bl.getRelative(x, 0, 0).getBlockData()))
&& pipeInsulator.equalsFuzzy(BukkitAdapter.adapt(bl.getRelative(0, y, 0).getBlockData()))) {
continue;
}
} else if (xIsZ) {
if (pipeInsulator.equalsFuzzy(BukkitAdapter.adapt(bl.getRelative(x, 0, 0).getBlockData()))
&& pipeInsulator.equalsFuzzy(BukkitAdapter.adapt(bl.getRelative(0, 0, z).getBlockData()))) {
continue;
}
} else {
if (pipeInsulator.equalsFuzzy(BukkitAdapter.adapt(bl.getRelative(0, y, 0).getBlockData()))
&& pipeInsulator.equalsFuzzy(BukkitAdapter.adapt(bl.getRelative(0, 0, z).getBlockData()))) {
continue;
}
}
}
Block off = bl.getRelative(x, y, z);
if (!isValidPipeBlock(off)) continue;
if (visitedPipes.contains(off.getLocation().toVector())) continue;
visitedPipes.add(off.getLocation().toVector());
if(ItemUtil.isStainedGlass(bl.getType()) && ItemUtil.isStainedGlass(off.getType()) && bl.getType() != off.getType()) continue;
if(off.getType() == Material.GLASS || ItemUtil.isStainedGlass(off.getType())) {
searchQueue.add(off);
} else if (off.getType() == Material.GLASS_PANE || ItemUtil.isStainedGlassPane(off.getType())) {
Block offsetBlock = off.getRelative(x, y, z);
if (!isValidPipeBlock(offsetBlock)) continue;
if (visitedPipes.contains(offsetBlock.getLocation().toVector())) continue;
if(ItemUtil.isStainedGlassPane(off.getType())) {
if((ItemUtil.isStainedGlass(bl.getType())
|| ItemUtil.isStainedGlassPane(bl.getType())) && ItemUtil.getStainedColor(off.getType()) != ItemUtil
.getStainedColor(offsetBlock.getType())
|| (ItemUtil.isStainedGlass(offsetBlock.getType())
|| ItemUtil.isStainedGlassPane(offsetBlock.getType())) && ItemUtil.getStainedColor(off.getType()) != ItemUtil
.getStainedColor(offsetBlock.getType())) continue;
}
visitedPipes.add(offsetBlock.getLocation().toVector());
searchQueue.add(off.getRelative(x, y, z));
} else if(off.getType() == Material.PISTON)
searchQueue.addFirst(off); //Pistons are treated with higher priority.
}
}
}
}
}
}
private static boolean isValidPipeBlock(Block block) {
switch (block.getType()) {
case GLASS:
case PISTON:
case STICKY_PISTON:
case DROPPER:
case GLASS_PANE:
return true;
default:
return ItemUtil.isStainedGlass(block.getType())
|| ItemUtil.isStainedGlassPane(block.getType())
|| SignUtil.isWallSign(block);
}
}
private void startPipe(Block block, List<ItemStack> items, boolean request) {
Set<ItemStack> filters = new HashSet<>();
Set<ItemStack> exceptions = new HashSet<>();
ChangedSign sign = getSignOnPiston(block);
if(sign != null) {
for(String line3 : RegexUtil.COMMA_PATTERN.split(sign.getLine(2))) {
filters.add(ItemSyntax.getItem(line3.trim()));
}
for(String line4 : RegexUtil.COMMA_PATTERN.split(sign.getLine(3))) {
exceptions.add(ItemSyntax.getItem(line4.trim()));
}
}
filters.removeAll(Collections.<ItemStack>singleton(null));
exceptions.removeAll(Collections.<ItemStack>singleton(null));
Set<Vector> visitedPipes = new HashSet<>();
if (block.getType() == Material.STICKY_PISTON) {
List<ItemStack> leftovers = new ArrayList<>();
Piston p = (Piston) block.getBlockData();
Block fac = block.getRelative(p.getFacing());
if (fac.getType() == Material.CHEST
|| fac.getType() == Material.TRAPPED_CHEST
|| fac.getType() == Material.DROPPER
|| fac.getType() == Material.DISPENSER
|| fac.getType() == Material.HOPPER
|| Tag.SHULKER_BOXES.isTagged(fac.getType())) {
for (ItemStack stack : ((InventoryHolder) fac.getState()).getInventory().getContents()) {
if (!ItemUtil.isStackValid(stack))
continue;
if(!ItemUtil.doesItemPassFilters(stack, filters, exceptions))
continue;
items.add(stack);
((InventoryHolder) fac.getState()).getInventory().removeItem(stack);
if (pipeStackPerPull)
break;
}
PipeSuckEvent event = new PipeSuckEvent(block, new ArrayList<>(items), fac);
Bukkit.getPluginManager().callEvent(event);
items.clear();
items.addAll(event.getItems());
if(!event.isCancelled()) {
visitedPipes.add(fac.getLocation().toVector());
searchNearbyPipes(block, visitedPipes, items);
}
if (!items.isEmpty()) {
for (ItemStack item : items) {
if (item == null) continue;
leftovers.addAll(((InventoryHolder) fac.getState()).getInventory().addItem(item).values());
}
}
} else if (fac.getType() == Material.FURNACE || fac.getType() == Material.BLAST_FURNACE) {
Furnace f = (Furnace) fac.getState();
if(!ItemUtil.doesItemPassFilters(f.getInventory().getResult(), filters, exceptions))
return;
items.add(f.getInventory().getResult());
if (f.getInventory().getResult() != null) f.getInventory().setResult(null);
PipeSuckEvent event = new PipeSuckEvent(block, new ArrayList<>(items), fac);
Bukkit.getPluginManager().callEvent(event);
items.clear();
items.addAll(event.getItems());
if(!event.isCancelled()) {
visitedPipes.add(fac.getLocation().toVector());
searchNearbyPipes(block, visitedPipes, items);
}
if (!items.isEmpty()) {
for (ItemStack item : items) {
if (item == null) continue;
if(f.getInventory().getResult() == null)
f.getInventory().setResult(item);
else
leftovers.add(ItemUtil.addToStack(f.getInventory().getResult(), item));
}
} else f.getInventory().setResult(null);
} else if (fac.getType() == Material.JUKEBOX) {
Jukebox juke = (Jukebox) fac.getState();
if (juke.getPlaying() != Material.AIR) {
items.add(new ItemStack(juke.getPlaying()));
PipeSuckEvent event = new PipeSuckEvent(block, new ArrayList<>(items), fac);
Bukkit.getPluginManager().callEvent(event);
items.clear();
items.addAll(event.getItems());
if (!event.isCancelled()) {
visitedPipes.add(fac.getLocation().toVector());
searchNearbyPipes(block, visitedPipes, items);
}
if (!items.isEmpty()) {
for (ItemStack item : items) {
if (!ItemUtil.isStackValid(item)) continue;
block.getWorld().dropItem(BlockUtil.getBlockCentre(block), item);
}
} else {
juke.setPlaying(Material.AIR);
juke.update();
}
}
} else {
PipeSuckEvent event = new PipeSuckEvent(block, new ArrayList<>(items), fac);
Bukkit.getPluginManager().callEvent(event);
items.clear();
items.addAll(event.getItems());
if(!event.isCancelled() && !items.isEmpty()) {
visitedPipes.add(fac.getLocation().toVector());
searchNearbyPipes(block, visitedPipes, items);
}
leftovers.addAll(items);
}
PipeFinishEvent fEvent = new PipeFinishEvent(block, leftovers, fac, request);
Bukkit.getPluginManager().callEvent(fEvent);
leftovers = fEvent.getItems();
items.clear();
if (!leftovers.isEmpty()) {
for (ItemStack item : leftovers) {
if (!ItemUtil.isStackValid(item)) continue;
block.getWorld().dropItemNaturally(block.getLocation().add(0.5, 0.5, 0.5), item);
}
}
}
}
@EventHandler(priority = EventPriority.HIGH)
public void onBlockRedstoneChange(SourcedBlockRedstoneEvent event){
if (event.getBlock().getType() == Material.STICKY_PISTON) {
ChangedSign sign = getSignOnPiston(event.getBlock());
if (pipeRequireSign && sign == null)
return;
if(!EventUtil.passesFilter(event)) return;
startPipe(event.getBlock(), new ArrayList<>(), false);
}
}
@EventHandler(priority = EventPriority.HIGH)
public void onPipeRequest(PipeRequestEvent event) {
if (event.getBlock().getType() == Material.STICKY_PISTON) {
ChangedSign sign = getSignOnPiston(event.getBlock());
if (pipeRequireSign && sign == null)
return;
if(!EventUtil.passesFilter(event)) return;
startPipe(event.getBlock(), event.getItems(), true);
}
}
private boolean pipesDiagonal;
private BlockStateHolder<?> pipeInsulator;
private boolean pipeStackPerPull;
private boolean pipeRequireSign;
@Override
public void loadConfiguration (YAMLProcessor config, String path) {
config.setComment(path + "allow-diagonal", "Allow pipes to work diagonally. Required for insulators to work.");
pipesDiagonal = config.getBoolean(path + "allow-diagonal", false);
config.setComment(path + "insulator-block", "When pipes work diagonally, this block allows the pipe to be insulated to not work diagonally.");
pipeInsulator = BlockSyntax.getBlock(config.getString(path + "insulator-block", BlockTypes.WHITE_WOOL.getId()), true);
config.setComment(path + "stack-per-move", "This option stops the pipes taking the entire chest on power, and makes it just take a single stack.");
pipeStackPerPull = config.getBoolean(path + "stack-per-move", true);
config.setComment(path + "require-sign", "Requires pipes to have a [Pipe] sign connected to them. This is the only way to require permissions to make pipes.");
pipeRequireSign = config.getBoolean(path + "require-sign", false);
}
}