/**
* Recursively expand the search area so we can define the number of blocks that are in the
* cauldron. The search will not exceed 24 blocks as no pot will ever use up that many blocks. The
* Y are bounded both directions so we don't ever search the lava or anything above, although in
* the case of non-wall blocks, we also make sure that there is standing lava underneath.
*
* @param world
* @param pt
* @param minY
* @param maxY
* @param visited
* @throws Cauldron.NotACauldronException
*/
public void findCauldronContents(
World world, BlockWorldVector pt, int minY, int maxY, Map<BlockWorldVector, Integer> visited)
throws NotACauldronException {
int blockID = plugin.getLocalConfiguration().cauldronSettings.cauldronBlock;
// Don't want to go too low or high
if (pt.getBlockY() < minY) {
return;
}
if (pt.getBlockY() > maxY) {
return;
}
// There is likely a leak in the cauldron (or this isn't a cauldron)
if (visited.size() > 24) {
throw new NotACauldronException("mech.cauldron.leaky");
}
// Prevent infinite looping
if (visited.containsKey(pt)) {
return;
}
int type = world.getBlockTypeIdAt(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ());
// Make water work reliably
if (type == 9) {
type = 8;
}
// Make lava work reliably
if (type == 11) {
type = 10;
}
visited.put(pt, type);
// It's a wall -- we only needed to remember that we visited it but
// we don't need to recurse
if (type == blockID) {
return;
}
// Must have a lava floor
BlockWorldVector lavaPos = recurse(0, pt.getBlockY() - minY + 1, 0, pt);
if ((world.getBlockTypeIdAt(lavaPos.getBlockX(), lavaPos.getBlockY(), lavaPos.getBlockZ()))
== BlockID.LAVA) {
throw new NotACauldronException("mech.cauldron.no-lava");
}
// Now we recurse!
findCauldronContents(world, recurse(1, 0, 0, pt), minY, maxY, visited);
findCauldronContents(world, recurse(-1, 0, 0, pt), minY, maxY, visited);
findCauldronContents(world, recurse(0, 0, 1, pt), minY, maxY, visited);
findCauldronContents(world, recurse(0, 0, -1, pt), minY, maxY, visited);
findCauldronContents(world, recurse(0, 1, 0, pt), minY, maxY, visited);
findCauldronContents(world, recurse(0, -1, 0, pt), minY, maxY, visited);
}
/**
* Do cauldron.
*
* @param pt
* @param player
* @param world
*/
public boolean preCauldron(Player player, World world, BlockWorldVector pt) {
double x = pt.getX();
double y = pt.getY();
double z = pt.getZ();
int ix = pt.getBlockX();
int iy = pt.getBlockY();
int iz = pt.getBlockZ();
double rootY = y;
int below = world.getBlockTypeIdAt(ix, iy - 1, iz);
int below2 = world.getBlockTypeIdAt(ix, iy - 2, iz);
int s1 = world.getBlockTypeIdAt(ix + 1, iy, iz);
int s3 = world.getBlockTypeIdAt(ix - 1, iy, iz);
int s2 = world.getBlockTypeIdAt(ix, iy, iz + 1);
int s4 = world.getBlockTypeIdAt(ix, iy, iz - 1);
int blockID = plugin.getLocalConfiguration().cauldronSettings.cauldronBlock;
// stop strange lava ids
if (below == 11) below = 10;
if (below2 == 11) below2 = 10;
// Preliminary check so we don't waste CPU cycles
if ((below == BlockID.LAVA || below2 == BlockID.LAVA)
&& (s1 == blockID || s2 == blockID || s3 == blockID || s4 == blockID)) {
// Cauldron is 2 units deep
if (below == BlockID.LAVA) {
rootY++;
}
performCauldron(player, world, new BlockWorldVector(pt.getWorld(), x, rootY, z));
return true;
}
return false;
}
/**
* Toggle lights in the immediate area.
*
* @param pt
* @return true if the block was recogized as a lightswitch; this may or may not mean that any
* lights were actually toggled.
*/
private boolean toggleLights(BlockWorldVector pt) {
World world = BukkitUtil.toWorld(pt);
int wx = pt.getBlockX();
int wy = pt.getBlockY();
int wz = pt.getBlockZ();
int aboveID = world.getBlockTypeIdAt(wx, wy + 1, wz);
if (aboveID == BlockID.TORCH
|| aboveID == BlockID.REDSTONE_TORCH_OFF
|| aboveID == BlockID.REDSTONE_TORCH_ON) {
// Check if block above is a redstone torch.
// Used to get what to change torches to.
boolean on = (aboveID != BlockID.TORCH);
// Prevent spam
Long lastUse = recentLightToggles.remove(pt);
long currTime = System.currentTimeMillis();
if (lastUse != null && currTime - lastUse < 500) {
recentLightToggles.put(pt, lastUse);
return true;
}
recentLightToggles.put(pt, currTime);
int changed = 0;
for (int x = -10 + wx; x <= 10 + wx; x++) {
for (int y = -10 + wy; y <= 10 + wy; y++) {
for (int z = -5 + wz; z <= 5 + wz; z++) {
int id = world.getBlockTypeIdAt(x, y, z);
if (id == BlockID.TORCH
|| id == BlockID.REDSTONE_TORCH_OFF
|| id == BlockID.REDSTONE_TORCH_ON) {
// Limit the maximum number of changed lights
if (changed >= 20) {
return true;
}
if (on) {
world.getBlockAt(x, y, z).setTypeId(BlockID.TORCH);
} else {
world.getBlockAt(x, y, z).setTypeId(BlockID.REDSTONE_TORCH_ON);
}
changed++;
}
}
}
}
return true;
}
return false;
}
/**
* Attempt to perform a cauldron recipe.
*
* @param player
* @param world
* @param pt
*/
private void performCauldron(Player player, World world, BlockWorldVector pt) {
// Gotta start at a root Y then find our orientation
int rootY = pt.getBlockY();
int blockID = plugin.getLocalConfiguration().cauldronSettings.cauldronBlock;
// Used to store cauldron blocks -- walls are counted
Map<BlockWorldVector, Integer> visited = new HashMap<BlockWorldVector, Integer>();
try {
// The following attempts to recursively find adjacent blocks so
// that it can find all the blocks used within the cauldron
findCauldronContents(world, pt, rootY - 1, rootY, visited);
// We want cauldrons of a specific shape and size, and 24 is just
// the right number of blocks that the cauldron we want takes up --
// nice and cheap check
if (visited.size() != 24) {
throw new NotACauldronException("mech.cauldron.too-small");
}
// Key is the block ID and the value is the amount
Map<Integer, Integer> contents = new HashMap<Integer, Integer>();
// Now we have to ignore cauldron blocks so that we get the real
// contents of the cauldron
for (Map.Entry<BlockWorldVector, Integer> entry : visited.entrySet()) {
if (entry.getValue() != blockID) {
if (!contents.containsKey(entry.getValue())) {
contents.put(entry.getValue(), 1);
} else {
contents.put(entry.getValue(), contents.get(entry.getValue()) + 1);
}
}
}
// Find the recipe
CauldronCookbook.Recipe recipe = recipes.find(contents);
if (recipe != null) {
String[] groups = recipe.getGroups();
if (groups != null) {
boolean found = false;
for (@SuppressWarnings("unused") String group : groups) {
found = true;
break;
// TODO: Add an isInGroup method
/*
* if (player.isInGroup(group)) { found = true; break; }
*/
}
if (!found) {
player.sendMessage(ChatColor.DARK_RED + "Doesn't seem as if you have the ability...");
return;
}
}
player.sendMessage(
ChatColor.GOLD + "In a poof of smoke, you've made " + recipe.getName() + ".");
List<Integer> ingredients = new ArrayList<Integer>(recipe.getIngredients());
List<BlockWorldVector> removeQueue = new ArrayList<BlockWorldVector>();
// Get rid of the blocks in world
for (Map.Entry<BlockWorldVector, Integer> entry : visited.entrySet()) {
// This is not a fast operation, but we should not have
// too many ingredients
if (ingredients.contains(entry.getValue())) {
// Some blocks need to removed first otherwise they will
// drop an item, so let's remove those first
// if
// (!BlockID.isBottomDependentBlock(entry.getValue())) {
// removeQueue.add(entry.getKey());
// } else {
world
.getBlockAt(
entry.getKey().getBlockX(),
entry.getKey().getBlockY(),
entry.getKey().getBlockZ())
.setType(Material.AIR);
// }
ingredients.remove(entry.getValue());
}
}
for (BlockWorldVector v : removeQueue) {
world.getBlockAt(v.getBlockX(), v.getBlockY(), v.getBlockZ()).setType(Material.AIR);
}
// Give results
for (Integer id : recipe.getResults()) {
HashMap<Integer, ItemStack> map = player.getInventory().addItem(new ItemStack(id, 1));
for (Entry<Integer, ItemStack> i : map.entrySet()) {
world.dropItem(player.getLocation(), i.getValue());
}
}
// Didn't find a recipe
} else {
player.sendMessage(ChatColor.RED + "Hmm, this doesn't make anything...");
}
} catch (NotACauldronException ignored) {
}
}
/**
* Toggle lights in the immediate area.
*
* @param pt
* @return true if the block was recogized as a lightswitch; this may or may not mean that any
* lights were actually toggled.
*/
private boolean toggleLights(BlockWorldVector pt) {
World world = BukkitUtil.toWorld(pt);
Block block = BukkitUtil.toBlock(pt);
// check if this looks at all like something we're interested in first
if (block.getTypeId() != BlockID.WALL_SIGN) return false;
int radius = 10;
int maximum = 20;
try {
radius = Integer.parseInt(((Sign) block.getState()).getLine(2));
} catch (Exception ignored) {
}
try {
maximum = Integer.parseInt(((Sign) block.getState()).getLine(3));
} catch (Exception ignored) {
}
if (radius > plugin.getLocalConfiguration().lightSwitchSettings.maxRange) {
radius = plugin.getLocalConfiguration().lightSwitchSettings.maxRange;
}
if (maximum > plugin.getLocalConfiguration().lightSwitchSettings.maxMaximum) {
maximum = plugin.getLocalConfiguration().lightSwitchSettings.maxMaximum;
}
int wx = pt.getBlockX();
int wy = pt.getBlockY();
int wz = pt.getBlockZ();
int aboveID = world.getBlockTypeIdAt(wx, wy + 1, wz);
if (aboveID == BlockID.TORCH
|| aboveID == BlockID.REDSTONE_TORCH_OFF
|| aboveID == BlockID.REDSTONE_TORCH_ON) {
// Check if block above is a redstone torch.
// Used to get what to change torches to.
boolean on = aboveID != BlockID.TORCH;
// Prevent spam
Long lastUse = recentLightToggles.remove(pt);
long currTime = System.currentTimeMillis();
if (lastUse != null && currTime - lastUse < 500) {
recentLightToggles.put(pt, lastUse);
return true;
}
recentLightToggles.put(pt, currTime);
int changed = 0;
for (int x = -radius + wx; x <= radius + wx; x++) {
for (int y = -radius + wy; y <= radius + wy; y++) {
for (int z = -radius + wz; z <= radius + wz; z++) {
int id = world.getBlockTypeIdAt(x, y, z);
if (id == BlockID.TORCH
|| id == BlockID.REDSTONE_TORCH_OFF
|| id == BlockID.REDSTONE_TORCH_ON) {
// Limit the maximum number of changed lights
if (changed >= maximum) return true;
if (on) {
world.getBlockAt(x, y, z).setTypeId(BlockID.TORCH);
} else {
world.getBlockAt(x, y, z).setTypeId(BlockID.REDSTONE_TORCH_ON);
}
changed++;
}
}
}
}
return true;
}
return false;
}
public static Block toBlock(BlockWorldVector pt) {
return toWorld(pt).getBlock(pt.getBlockX(), pt.getBlockY(), pt.getBlockZ());
}