/
dChunk.java
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/
dChunk.java
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package net.aufdemrand.denizen.objects;
import net.aufdemrand.denizen.objects.properties.Property;
import net.aufdemrand.denizen.objects.properties.PropertyParser;
import net.aufdemrand.denizen.tags.Attribute;
import net.aufdemrand.denizen.utilities.debugging.dB;
import net.aufdemrand.denizen.utilities.depends.Depends;
import net.citizensnpcs.api.CitizensAPI;
import org.bukkit.*;
import org.bukkit.craftbukkit.v1_7_R4.CraftChunk;
import org.bukkit.entity.Entity;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import java.util.*;
public class dChunk implements dObject, Adjustable {
//////////////////
// OBJECT FETCHER
////////////////
/**
* Gets a Chunk Object from a string form of x,z,world.
* This is not to be confused with the 'x,y,z,world' of a
* location, which is a finer grain of unit in a dWorlds.
*
* @param string the string or dScript argument String
* @return a dChunk, or null if incorrectly formatted
*
*/
@Fetchable("ch")
public static dChunk valueOf(String string) {
if (string == null) return null;
string = string.toLowerCase().replace("ch@", "");
////////
// Match location formats
// Get a location to fetch its chunk, return if null
String[] parts = string.split(",");
if (parts.length == 3) {
try {
return new dChunk((CraftChunk) dWorld.valueOf(parts[2]).getWorld()
.getChunkAt(Integer.valueOf(parts[0]), Integer.valueOf(parts[1])));
} catch (Exception e) {
dB.log("valueOf dChunk returning null: " + "ch@" + string);
return null;
}
} else
dB.log("valueOf dChunk unable to handle malformed format: " + "ch@" + string);
return null;
}
public static boolean matches(String string) {
if (string.toLowerCase().startsWith("ch@"))
return true;
else return false;
}
CraftChunk chunk = null;
/**
* dChunk can be constructed with a CraftChunk
*
* @param chunk The chunk to use.
*/
public dChunk(CraftChunk chunk) {
this.chunk = chunk;
}
public dChunk(Chunk chunk) {
this((CraftChunk) chunk);
}
/**
* dChunk can be constructed with a Location (or dLocation)
*
* @param location The location of the chunk.
*/
public dChunk(Location location) {
this((CraftChunk) location.getChunk());
}
public dLocation getCenter() {
return new dLocation(getWorld(), getX() * 16 + 8, 128, getZ() * 16 + 8);
}
public int getX() {
return chunk.getX();
}
public int getZ() {
return chunk.getZ();
}
public World getWorld() {
return chunk.getWorld();
}
public ChunkSnapshot getSnapshot() {
return chunk.getChunkSnapshot();
}
String prefix = "Chunk";
@Override
public String getObjectType() {
return "Chunk";
}
@Override
public String getPrefix() {
return prefix;
}
@Override
public dChunk setPrefix(String prefix) {
this.prefix = prefix;
return this;
}
@Override
public String debug() {
return ("<G>" + prefix + "='<Y>" + identify() + "<G>' ");
}
@Override
public boolean isUnique() {
return true;
}
@Override
public String identify() {
return "ch@" + getX() + ',' + getZ() + ',' + getWorld().getName();
}
@Override
public String identifySimple() {
return identify();
}
@Override
public String toString() {
return identify();
}
@Override
public String getAttribute(Attribute attribute) {
if (attribute == null) return null;
// <--[tag]
// @attribute <ch@chunk.is_loaded>
// @returns Element(Boolean)
// @description
// returns true if the chunk is currently loaded into memory.
// -->
if (attribute.startsWith("is_loaded"))
return new Element(chunk.isLoaded()).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <ch@chunk.x>
// @returns Element(Number)
// @description
// returns the x coordinate of the chunk.
// -->
if (attribute.startsWith("x"))
return new Element(getX()).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <ch@chunk.z>
// @returns Element(Number)
// @description
// returns the z coordinate of the chunk.
// -->
if (attribute.startsWith("z"))
return new Element(getZ()).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <ch@chunk.world>
// @returns dWorld
// @description
// returns the world associated with the chunk.
// -->
if (attribute.startsWith("world"))
return dWorld.mirrorBukkitWorld(getWorld()).getAttribute(attribute.fulfill(1));
// <--[tag]
// @attribute <ch@chunk.cuboid>
// @returns dCuboid
// @description
// returns a cuboid of this chunk.
// -->
if (attribute.startsWith("cuboid")) {
return new dCuboid(new Location(getWorld(), getX() * 16, 0, getZ() * 16),
new Location(getWorld(), getX() * 16 + 15, 255, getZ() * 16 + 15))
.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <ch@chunk.entities>
// @returns dList(dEntity)
// @description
// returns a list of entities in the chunk.
// -->
if (attribute.startsWith("entities")) {
dList entities = new dList();
for (Entity ent : chunk.getEntities())
entities.add(new dEntity(ent).identify());
return entities.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <ch@chunk.living_entities>
// @returns dList(dEntity)
// @description
// returns a list of living entities in the chunk. This includes Players, mobs, NPCs, etc., but excludes
// dropped items, experience orbs, etc.
// -->
if (attribute.startsWith("living_entities")) {
dList entities = new dList();
for (Entity ent : chunk.getEntities())
if (ent instanceof LivingEntity)
entities.add(new dEntity(ent).identify());
return entities.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <ch@chunk.players>
// @returns dList(dPlayer)
// @description
// returns a list of players in the chunk.
// -->
if (attribute.startsWith("players")) {
dList entities = new dList();
for (Entity ent : chunk.getEntities())
if (ent instanceof Player && (Depends.citizens == null || !CitizensAPI.getNPCRegistry().isNPC(ent)))
entities.add(new dPlayer((Player) ent).identify());
return entities.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <ch@chunk.height_map>
// @returns dList(Element)
// @description
// returns a list of the height of each block in the chunk.
// -->
if (attribute.startsWith("height_map")) {
List<String> height_map = new ArrayList<String>(chunk.getHandle().heightMap.length);
for (int i : chunk.getHandle().heightMap)
height_map.add(String.valueOf(i));
return new dList(height_map).getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <ch@chunk.average_height>
// @returns Element(Decimal)
// @description
// returns the average height of the blocks in the chunk.
// -->
if (attribute.startsWith("average_height")) {
int sum = 0;
for (int i : chunk.getHandle().heightMap) sum += i;
return new Element(((double) sum)/chunk.getHandle().heightMap.length).getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <ch@chunk.is_flat[#]>
// @returns Element(Boolean)
// @description
// scans the heights of the blocks to check variance between them. If no number is supplied, is_flat will return
// true if all the blocks are less than 2 blocks apart in height. Specifying a number will modify the number
// criteria for determining if it is flat.
// -->
if (attribute.startsWith("is_flat")) {
int tolerance = attribute.hasContext(1) && aH.matchesInteger(attribute.getContext(1)) ?
Integer.valueOf(attribute.getContext(1)) : 2;
int x = chunk.getHandle().heightMap[0];
for (int i : chunk.getHandle().heightMap)
if (Math.abs(x - i) > tolerance)
return Element.FALSE.getAttribute(attribute.fulfill(1));
return Element.TRUE.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <ch@chunk.surface_blocks>
// @returns dList(dLocation)
// @description
// returns a list of the highest non-air surface blocks in the chunk.
// -->
if (attribute.startsWith("surface_blocks")) {
dList surface_blocks = new dList();
for (int x = 0; x < 16; x++)
for (int z = 0; z < 16; z++)
surface_blocks.add(new dLocation(chunk.getBlock(x, getSnapshot().getHighestBlockYAt(x, z) - 1, z)
.getLocation()).identify());
return surface_blocks.getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <ch@chunk.spawn_slimes>
// @returns dList(dLocation)
// @description
// returns whether the chunk is specially located 'slime spawner' chunk.
// -->
if (attribute.startsWith("spawn_slimes")) {
Random random = new Random(getWorld().getSeed() +
getX() * getX() * 4987142 +
getX() * 5947611 +
getZ() * getZ() * 4392871L +
getZ() * 389711 ^ 0x3AD8025F);
return new Element(random.nextInt(10) == 0).getAttribute(attribute.fulfill(1));
}
// <--[tag]
// @attribute <ch@chunk.type>
// @returns Element
// @description
// Always returns 'Chunk' for dChunk objects. All objects fetchable by the Object Fetcher will return the
// type of object that is fulfilling this attribute.
// -->
if (attribute.startsWith("type")) {
return new Element("Chunk").getAttribute(attribute.fulfill(1));
}
// Iterate through this object's properties' attributes
for (Property property : PropertyParser.getProperties(this)) {
String returned = property.getAttribute(attribute);
if (returned != null) return returned;
}
return new Element(identify()).getAttribute(attribute);
}
public void applyProperty(Mechanism mechanism) {
dB.echoError("Cannot apply properties to a chunk!");
}
@Override
public void adjust(Mechanism mechanism) {
// <--[mechanism]
// @object dChunk
// @name unload
// @input None
// @description
// Removes a chunk from memory.
// @tags
// <chunk.is_loaded>
// -->
if (mechanism.matches("unload")) {
chunk.unload(true);
}
// <--[mechanism]
// @object dChunk
// @name unload_safely
// @input None
// @description
// Removes a chunk from memory in a safe manner.
// @tags
// <chunk.is_loaded>
// -->
if (mechanism.matches("unload_safely")) {
chunk.unload(true, true);
}
// <--[mechanism]
// @object dChunk
// @name unload_without_saving
// @input None
// @description
// Removes a chunk from memory without saving any recent changes.
// @tags
// <chunk.is_loaded>
// -->
if (mechanism.matches("unload_without_saving")) {
chunk.unload(false);
}
// <--[mechanism]
// @object dChunk
// @name load
// @input None
// @description
// Loads a chunk into memory.
// @tags
// <chunk.is_loaded>
// -->
if (mechanism.matches("load")) {
chunk.load(true);
}
// <--[mechanism]
// @object dChunk
// @name regenerate
// @input None
// @description
// Causes the chunk to be entirely deleted and reformed from the world's seed.
// @tags
// None
// -->
if (mechanism.matches("regenerate")) {
getWorld().regenerateChunk(getX(), getZ());
}
if (!mechanism.fulfilled())
mechanism.reportInvalid();
// Iterate through this object's properties' mechanisms
for (Property property : PropertyParser.getProperties(this)) {
property.adjust(mechanism);
if (mechanism.fulfilled())
break;
}
}
}