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540 lines
16 KiB
Java
540 lines
16 KiB
Java
package org.bukkit.craftbukkit;
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import org.bukkit.craftbukkit.entity.*;
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import org.bukkit.entity.*;
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import org.bukkit.entity.Entity;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Random;
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import net.minecraft.server.*;
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import org.bukkit.entity.Arrow;
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import org.bukkit.event.world.SpawnChangeEvent;
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import org.bukkit.block.Block;
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import org.bukkit.entity.Boat;
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import org.bukkit.Chunk;
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import org.bukkit.inventory.ItemStack;
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import org.bukkit.util.Vector;
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import org.bukkit.BlockChangeDelegate;
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import org.bukkit.Location;
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import org.bukkit.TreeType;
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import org.bukkit.World;
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public class CraftWorld implements World {
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private final WorldServer world;
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private final Environment environment;
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private final CraftServer server;
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private final ChunkProviderServer provider;
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private HashMap<Integer,CraftChunk> unloadedChunks = new HashMap<Integer, CraftChunk>();
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private static final Random rand = new Random();
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public CraftWorld(WorldServer world) {
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this.world = world;
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this.server = world.getServer();
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this.provider = world.u;
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if (world.m instanceof WorldProviderHell) {
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environment = Environment.NETHER;
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} else {
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environment = Environment.NORMAL;
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}
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server.addWorld(this);
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}
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public void preserveChunk( CraftChunk chunk ) {
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chunk.breakLink();
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unloadedChunks.put( (chunk.getX() << 16) + chunk.getZ(), chunk );
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}
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public CraftChunk popPreservedChunk( int x, int z ) {
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return unloadedChunks.remove( (x << 16) + z );
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}
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public Block getBlockAt(int x, int y, int z) {
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return getChunkAt(x >> 4, z >> 4).getBlock(x & 0xF, y & 0x7F, z & 0xF);
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}
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public int getBlockTypeIdAt(int x, int y, int z) {
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return world.getTypeId(x, y, z);
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}
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public int getHighestBlockYAt(int x, int z) {
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return world.d(x, z);
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}
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public Location getSpawnLocation() {
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ChunkCoordinates spawn = world.m();
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return new Location(this, spawn.a, spawn.b, spawn.c);
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}
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public boolean setSpawnLocation(int x, int y, int z) {
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try {
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Location previousLocation = getSpawnLocation();
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world.q.a(x, y, z);
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// Notify anyone who's listening.
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SpawnChangeEvent event = new SpawnChangeEvent(this, previousLocation);
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server.getPluginManager().callEvent(event);
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return true;
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} catch (Exception e) {
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return false;
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}
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}
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public Chunk getChunkAt(int x, int z) {
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return this.provider.c(x, z).bukkitChunk;
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}
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public Chunk getChunkAt(Block block) {
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return getChunkAt(block.getX() >> 4, block.getZ() >> 4);
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}
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public boolean isChunkLoaded(int x, int z) {
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return provider.a( x, z );
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}
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public Chunk[] getLoadedChunks() {
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Object[] chunks = provider.e.values().toArray();
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org.bukkit.Chunk[] craftChunks = new CraftChunk[chunks.length];
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for (int i = 0; i < chunks.length; i++) {
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net.minecraft.server.Chunk chunk = (net.minecraft.server.Chunk)chunks[i];
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craftChunks[i] = chunk.bukkitChunk;
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}
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return craftChunks;
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}
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public void loadChunk(int x, int z) {
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loadChunk(x, z, true);
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}
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public boolean unloadChunk(int x, int z) {
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return unloadChunk(x, z, true);
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}
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public boolean unloadChunk(int x, int z, boolean save) {
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return unloadChunk(x, z, save, false);
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}
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public boolean unloadChunkRequest(int x, int z) {
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return unloadChunkRequest(x, z, true);
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}
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public boolean unloadChunkRequest(int x, int z, boolean safe) {
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if (safe && isChunkInUse(x, z)) {
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return false;
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}
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provider.d(x, z);
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return true;
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}
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public boolean unloadChunk(int x, int z, boolean save, boolean safe) {
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if (safe && isChunkInUse(x, z)) {
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return false;
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}
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net.minecraft.server.Chunk chunk = provider.b(x, z);
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if (save) {
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chunk.e();
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provider.b(chunk);
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provider.a(chunk);
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}
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preserveChunk((CraftChunk)chunk.bukkitChunk);
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provider.a.remove(x, z);
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provider.e.remove(x, z);
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provider.f.remove(chunk);
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return true;
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}
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public boolean regenerateChunk(int x, int z) {
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unloadChunk(x, z, false, false);
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provider.a.remove(x, z);
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net.minecraft.server.Chunk chunk = null;
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if (provider.c == null) {
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chunk = provider.b;
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} else {
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chunk = provider.c.b(x, z);
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}
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chunkLoadPostProcess(chunk, x, z);
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refreshChunk(x, z);
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return chunk != null;
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}
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public boolean refreshChunk(int x, int z) {
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if (!isChunkLoaded(x, z)) {
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return false;
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}
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int px = x<<4;
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int pz = z<<4;
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// If there are more than 10 updates to a chunk at once, it carries out the update as a cuboid
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// This flags 16 blocks in a line along the bottom for update and then flags a block at the opposite corner at the top
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// The cuboid that contains these 17 blocks covers the entire chunk
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// The server will compress the chunk and send it to all clients
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for(int xx = px; xx < (px + 16); xx++) {
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world.g(xx, 0, pz);
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}
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world.g(px, 127, pz+15);
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return true;
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}
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public boolean isChunkInUse(int x, int z) {
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Player[] players = server.getOnlinePlayers();
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for (Player player : players) {
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Location loc = player.getLocation();
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if (loc.getWorld() != provider.g.getWorld()) {
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continue;
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}
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// If the chunk is within 256 blocks of a player, refuse to accept the unload request
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// This is larger than the distance of loaded chunks that actually surround a player
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// The player is the center of a 21x21 chunk grid, so the edge is 10 chunks (160 blocks) away from the player
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if (Math.abs(loc.getBlockX() - (x << 4)) <= 256 && Math.abs(loc.getBlockZ() - (z << 4)) <= 256) {
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return true;
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}
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}
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return false;
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}
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public boolean loadChunk(int x, int z, boolean generate) {
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if (generate) {
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// Use the default variant of loadChunk when generate == true.
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return provider.c(x, z) != null;
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}
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provider.a.remove(x, z);
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net.minecraft.server.Chunk chunk = (net.minecraft.server.Chunk) provider.e.get(x, z);
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if (chunk == null) {
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chunk = provider.e(x, z);
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chunkLoadPostProcess(chunk, x, z);
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}
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return chunk != null;
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}
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private void chunkLoadPostProcess(net.minecraft.server.Chunk chunk, int x, int z) {
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if (chunk != null) {
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provider.e.put(x, z, chunk);
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provider.f.add(chunk);
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chunk.c();
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chunk.d();
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if (!chunk.n && provider.a(x + 1, z + 1) && provider.a(x, z + 1) && provider.a(x + 1, z)) {
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provider.a(provider, x, z);
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}
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if (provider.a(x - 1, z) && !provider.b(x - 1, z).n && provider.a(x - 1, z + 1) && provider.a(x, z + 1) && provider.a(x - 1, z)) {
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provider.a(provider, x - 1, z);
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}
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if (provider.a(x, z - 1) && !provider.b(x, z - 1).n && provider.a(x + 1, z - 1) && provider.a(x, z - 1) && provider.a(x + 1, z)) {
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provider.a(provider, x, z - 1);
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}
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if (provider.a(x - 1, z - 1) && !provider.b(x - 1, z - 1).n && provider.a(x - 1, z - 1) && provider.a(x, z - 1) && provider.a(x - 1, z)) {
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provider.a(provider, x - 1, z - 1);
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}
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}
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}
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public boolean isChunkLoaded(Chunk chunk) {
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return isChunkLoaded(chunk.getX(), chunk.getZ());
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}
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public void loadChunk(Chunk chunk) {
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loadChunk(chunk.getX(), chunk.getZ());
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((CraftChunk) getChunkAt(chunk.getX(), chunk.getZ())).getHandle().bukkitChunk = chunk;
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}
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public WorldServer getHandle() {
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return world;
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}
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public org.bukkit.entity.Item dropItem(Location loc, ItemStack item) {
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net.minecraft.server.ItemStack stack = new net.minecraft.server.ItemStack(
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item.getTypeId(),
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item.getAmount(),
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item.getDurability()
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);
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EntityItem entity = new EntityItem(world, loc.getX(), loc.getY(), loc.getZ(), stack);
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entity.c = 10;
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world.a(entity);
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//TODO this is inconsistent with how Entity.getBukkitEntity() works.
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// However, this entity is not at the moment backed by a server entity class so it may be left.
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return new CraftItem(world.getServer(), entity);
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}
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public org.bukkit.entity.Item dropItemNaturally(Location loc, ItemStack item) {
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double xs = world.k.nextFloat() * 0.7F + (1.0F - 0.7F) * 0.5D;
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double ys = world.k.nextFloat() * 0.7F + (1.0F - 0.7F) * 0.5D;
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double zs = world.k.nextFloat() * 0.7F + (1.0F - 0.7F) * 0.5D;
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loc = loc.clone();
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loc.setX(loc.getX() + xs);
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loc.setY(loc.getY() + ys);
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loc.setZ(loc.getZ() + zs);
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return dropItem(loc, item);
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}
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public Arrow spawnArrow(Location loc, Vector velocity, float speed, float spread) {
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EntityArrow arrow = new EntityArrow(world);
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arrow.c(loc.getX(), loc.getY(), loc.getZ(), 0, 0);
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world.a(arrow);
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arrow.a(velocity.getX(), velocity.getY(), velocity.getZ(), speed, spread);
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return (Arrow) arrow.getBukkitEntity();
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}
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public Minecart spawnMinecart(Location loc) {
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EntityMinecart minecart = new EntityMinecart(
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world,
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loc.getX(),
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loc.getY(),
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loc.getZ(),
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CraftMinecart.Type.Minecart.getId()
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);
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world.a(minecart);
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return (Minecart) minecart.getBukkitEntity();
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}
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public StorageMinecart spawnStorageMinecart(Location loc) {
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EntityMinecart minecart = new EntityMinecart(
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world,
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loc.getX(),
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loc.getY(),
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loc.getZ(),
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CraftMinecart.Type.StorageMinecart.getId()
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);
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world.a(minecart);
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return (StorageMinecart) minecart.getBukkitEntity();
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}
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public PoweredMinecart spawnPoweredMinecart(Location loc) {
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EntityMinecart minecart = new EntityMinecart(
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world,
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loc.getX(),
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loc.getY(),
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loc.getZ(),
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CraftMinecart.Type.PoweredMinecart.getId()
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);
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world.a(minecart);
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return (PoweredMinecart) minecart.getBukkitEntity();
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}
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public Boat spawnBoat(Location loc) {
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EntityBoat boat = new EntityBoat(world, loc.getX(), loc.getY(), loc.getZ());
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world.a(boat);
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return (Boat) boat.getBukkitEntity();
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}
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public LivingEntity spawnCreature(Location loc, CreatureType creatureType) {
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LivingEntity creature;
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try {
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EntityLiving entityCreature = (EntityLiving) EntityTypes.a(creatureType.getName(), world);
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entityCreature.a(loc.getX(), loc.getY(), loc.getZ());
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creature = (LivingEntity) CraftEntity.getEntity(server, entityCreature);
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world.a(entityCreature);
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} catch (Exception e) {
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// if we fail, for any reason, return null.
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creature = null;
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}
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return creature;
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}
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public boolean generateTree(Location loc, TreeType type) {
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return generateTree(loc, type, world);
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}
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public boolean generateTree(Location loc, TreeType type, BlockChangeDelegate delegate) {
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switch (type) {
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case BIG_TREE:
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return new WorldGenBigTree().generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
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case BIRCH:
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return new WorldGenForest().generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
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case REDWOOD:
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return new WorldGenTaiga2().generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
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case TALL_REDWOOD:
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return new WorldGenTaiga1().generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
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case TREE:
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default:
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return new WorldGenTrees().generate(delegate, rand, loc.getBlockX(), loc.getBlockY(), loc.getBlockZ());
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}
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}
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public TileEntity getTileEntityAt(final int x, final int y, final int z) {
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return world.getTileEntity(x, y, z);
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}
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public String getName() {
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return world.q.j;
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}
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public long getId() {
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return world.q.b();
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}
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@Override
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public String toString() {
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return "CraftWorld{name=" + getName() + '}';
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}
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public long getTime() {
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long time = getFullTime() % 24000;
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if (time < 0) time += 24000;
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return time;
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}
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public void setTime(long time) {
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long margin = (time - getFullTime()) % 24000;
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if (margin < 0) margin += 24000;
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setFullTime(getFullTime() + margin);
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}
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public long getFullTime() {
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return world.l();
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}
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public void setFullTime(long time) {
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world.a(time);
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}
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public Environment getEnvironment() {
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return environment;
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}
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public Block getBlockAt(Location location) {
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return getBlockAt(location.getBlockX(), location.getBlockY(), location.getBlockZ());
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}
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public int getBlockTypeIdAt(Location location) {
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return getBlockTypeIdAt(location.getBlockX(), location.getBlockY(), location.getBlockZ());
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}
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public int getHighestBlockYAt(Location location) {
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return getHighestBlockYAt(location.getBlockX(), location.getBlockZ());
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}
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public Chunk getChunkAt(Location location) {
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return getChunkAt(location.getBlockX() >> 4, location.getBlockZ() >> 4);
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}
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private final class ChunkCoordinate {
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public final int x;
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public final int z;
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public ChunkCoordinate(final int x, final int z) {
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this.x = x;
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this.z = z;
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}
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@Override
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public boolean equals(Object obj) {
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if (obj == null) {
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return false;
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}
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if (getClass() != obj.getClass()) {
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return false;
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}
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final ChunkCoordinate other = (ChunkCoordinate) obj;
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if (this.x != other.x) {
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return false;
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}
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if (this.z != other.z) {
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return false;
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}
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return true;
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}
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@Override
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public int hashCode() {
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int hash = 5;
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hash = 53 * hash + this.x;
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hash = 53 * hash + this.z;
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return hash;
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}
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}
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public List<Entity> getEntities() {
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List<Entity> list = new ArrayList<Entity>();
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for (Object o: world.b) {
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if (o instanceof net.minecraft.server.Entity) {
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net.minecraft.server.Entity mcEnt = (net.minecraft.server.Entity)o;
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Entity bukkitEntity = mcEnt.getBukkitEntity();
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// Assuming that bukkitEntity isn't null
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if (bukkitEntity != null) {
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list.add(bukkitEntity);
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}
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}
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}
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return list;
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}
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public List<LivingEntity> getLivingEntities() {
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List<LivingEntity> list = new ArrayList<LivingEntity>();
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for (Object o: world.b) {
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if (o instanceof net.minecraft.server.Entity) {
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net.minecraft.server.Entity mcEnt = (net.minecraft.server.Entity)o;
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Entity bukkitEntity = mcEnt.getBukkitEntity();
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// Assuming that bukkitEntity isn't null
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if (bukkitEntity != null && bukkitEntity instanceof LivingEntity) {
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list.add((LivingEntity)bukkitEntity);
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}
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}
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}
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return list;
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}
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public List<Player> getPlayers() {
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List<Player> list = new ArrayList<Player>();
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for (Object o : world.b) {
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if (o instanceof net.minecraft.server.Entity) {
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net.minecraft.server.Entity mcEnt = (net.minecraft.server.Entity)o;
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Entity bukkitEntity = mcEnt.getBukkitEntity();
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if ((bukkitEntity != null) && (bukkitEntity instanceof Player)) {
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list.add((Player)bukkitEntity);
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}
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}
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}
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return list;
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}
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public void save() {
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// Writes level.dat
|
|
world.t();
|
|
|
|
// Saves all chunks/regions
|
|
world.o.a(true, null);
|
|
}
|
|
}
|