/** Populate a single chunk if needed. */
private void populateChunk(int x, int z, boolean force) {
GlowChunk chunk = getChunk(x, z);
// cancel out if it's already populated
if (chunk.isPopulated()) {
return;
}
// cancel out if the 3x3 around it isn't available
for (int x2 = x - 1; x2 <= x + 1; ++x2) {
for (int z2 = z - 1; z2 <= z + 1; ++z2) {
if (!getChunk(x2, z2).isLoaded() && (!force || !loadChunk(x2, z2, true))) {
return;
}
}
}
// it might have loaded since before, so check again that it's not already populated
if (chunk.isPopulated()) {
return;
}
chunk.setPopulated(true);
Random random = new Random(world.getSeed());
long xRand = random.nextLong() / 2 * 2 + 1;
long zRand = random.nextLong() / 2 * 2 + 1;
random.setSeed((long) x * xRand + (long) z * zRand ^ world.getSeed());
for (BlockPopulator p : world.getPopulators()) {
p.populate(world, random, chunk);
}
EventFactory.callEvent(new ChunkPopulateEvent(chunk));
}
@Override
public GlowWorld getWorld(UUID uid) {
for (GlowWorld world : worlds.getWorlds()) {
if (uid.equals(world.getUID())) {
return world;
}
}
return null;
}
@Override
public Collection<GlowPlayer> getOnlinePlayers() {
// todo: provide a view instead of reassembling the list each time
ArrayList<GlowPlayer> result = new ArrayList<>();
for (GlowWorld world : worlds.getWorlds()) {
for (GlowPlayer player : world.getRawPlayers()) {
result.add(player);
}
}
return result;
}
/**
* Gets every player that has ever played on this server.
*
* @return Array containing all players
*/
public OfflinePlayer[] getOfflinePlayers() {
Set<OfflinePlayer> result = new HashSet<OfflinePlayer>();
for (GlowWorld world : worlds) {
result.addAll(world.getRawPlayers());
for (String name : world.getMetadataService().getPlayerNames()) {
OfflinePlayer offline = getOfflinePlayer(name);
if (!result.contains(offline)) {
result.add(offline);
}
}
}
return result.toArray(new OfflinePlayer[result.size()]);
}
///////////////////////////////////////
// Visualize
private void playOutSoundAndParticles() {
world.playSound(
location,
Sound.EXPLODE,
4,
(1.0F + (random.nextFloat() - random.nextFloat()) * 0.2F) * 0.7F);
if (this.power >= 2.0F && this.breakBlocks) {
// send huge explosion
world.spigot().playEffect(location, Effect.EXPLOSION_HUGE);
} else {
// send large explosion
world.spigot().playEffect(location, Effect.EXPLOSION_LARGE);
}
}
private List<Block> toBlockList(Collection<BlockVector> locs) {
List<Block> blocks = new ArrayList<>(locs.size());
for (BlockVector location : locs)
blocks.add(
world.getBlockAt(location.getBlockX(), location.getBlockY(), location.getBlockZ()));
return blocks;
}
private void calculateRay(int ox, int oy, int oz, Collection<BlockVector> result) {
double x = ox / 7.5 - 1;
double y = oy / 7.5 - 1;
double z = oz / 7.5 - 1;
Vector direction = new Vector(x, y, z);
direction.normalize();
direction.multiply(0.3f); // 0.3 blocks away with each step
Location current = location.clone();
float currentPower = calculateStartPower();
while (currentPower > 0) {
GlowBlock block = world.getBlockAt(current);
if (block.getType() != Material.AIR) {
double blastDurability = getBlastDurability(block) / 5d;
blastDurability += 0.3F;
blastDurability *= 0.3F;
currentPower -= blastDurability;
if (currentPower > 0) {
result.add(new BlockVector(block.getX(), block.getY(), block.getZ()));
}
}
current.add(direction);
currentPower -= 0.225f;
}
}
@Override
public boolean unloadWorld(World bWorld, boolean save) {
if (!(bWorld instanceof GlowWorld)) {
return false;
}
GlowWorld world = (GlowWorld) bWorld;
if (save) {
world.setAutoSave(false);
world.save(false);
}
if (worlds.removeWorld(world)) {
world.unload();
return true;
}
return false;
}
/**
* Unloads the given world.
*
* @param world The world to unload
* @param save Whether to save the chunks before unloading.
* @return Whether the action was Successful
*/
public boolean unloadWorld(World world, boolean save) {
if (!(world instanceof GlowWorld)) {
return false;
}
if (save) {
world.setAutoSave(false);
((GlowWorld) world).save(false);
}
if (worlds.contains((GlowWorld) world)) {
worlds.remove((GlowWorld) world);
((GlowWorld) world).unload();
EventFactory.onWorldUnload((GlowWorld) world);
return true;
}
return false;
}
private Collection<GlowLivingEntity> getNearbyEntities() {
// TODO: fetch only necessary entities
List<LivingEntity> entities = world.getLivingEntities();
List<GlowLivingEntity> nearbyEntities = new ArrayList<>();
for (LivingEntity entity : entities) {
if (distanceTo(entity) / (double) power < 1.) {
nearbyEntities.add((GlowLivingEntity) entity);
}
}
return nearbyEntities;
}
/** Unload chunks with no locks on them. */
public void unloadOldChunks() {
for (Map.Entry<GlowChunk.Key, GlowChunk> entry : chunks.entrySet()) {
Set<ChunkLock> lockSet = locks.get(entry.getKey());
if (lockSet == null || lockSet.size() == 0) {
if (!entry.getValue().unload(true, true)) {
GlowServer.logger.warning(
"Failed to unload chunk " + world.getName() + ":" + entry.getKey());
}
}
// cannot remove old chunks from cache - GlowBlock and GlowBlockState keep references.
// they must either be changed to look up the chunk again all the time, or this code left out.
/*if (!entry.getValue().isLoaded()) {
//GlowServer.logger.info("Removing from cache " + entry.getKey());
chunks.entrySet().remove(entry);
locks.remove(entry.getKey());
}*/
}
}
private double calculateDamage(GlowEntity entity, double disDivPower) {
double damage = world.rayTrace(location, entity);
return (damage * (1D - disDivPower));
}
/**
* Creates a new chunk manager with the specified I/O service and world generator.
*
* @param service The I/O service.
* @param generator The world generator.
*/
public ChunkManager(GlowWorld world, ChunkIoService service, ChunkGenerator generator) {
this.world = world;
this.service = service;
this.generator = generator;
biomeGrid = MapLayer.initialize(world.getSeed(), world.getEnvironment(), world.getWorldType());
}
/**
* Gets the world from the given Unique ID
*
* @param uid Unique ID of the world to retrieve.
* @return World with the given Unique ID, or null if none exists.
*/
public GlowWorld getWorld(UUID uid) {
for (GlowWorld world : worlds) {
if (uid.equals(world.getUID())) return world;
}
return null;
}
/**
* Gets the world by the given name.
*
* @param name The name of the world to look up.
* @return The {@link GlowWorld} this server manages.
*/
public GlowWorld getWorld(String name) {
for (GlowWorld world : worlds) {
if (world.getName().equalsIgnoreCase(name)) return world;
}
return null;
}
