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package com.earth2me.essentials.protect.data;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map.Entry;
import java.util.Set;
import org.bukkit.World;
import org.bukkit.block.Block;
import org.bukkit.plugin.Plugin;
public class ProtectedBlockMemory implements IProtectedBlock {
List<String> worlds = new ArrayList<String>();
List<String> playerNames = new ArrayList<String>();
IProtectedBlock storage;
Plugin plugin;
class ProtectedLocation {
int x;
int y;
int z;
int w;
private ProtectedLocation(Block block, int worldId) {
this.x = block.getX();
this.y = block.getY();
this.z = block.getZ();
this.w = worldId;
}
private ProtectedLocation(OwnedBlock ownedBlock, int worldId) {
this.x = ownedBlock.x;
this.y = ownedBlock.y;
this.z = ownedBlock.z;
this.w = worldId;
}
@Override
public boolean equals(Object o) {
if (o instanceof ProtectedLocation) {
ProtectedLocation pl = (ProtectedLocation) o;
return x == pl.x && y == pl.y && z == pl.z && w == pl.w;
}
return false;
}
@Override
public int hashCode() {
return x ^ y ^ z ^ w;
}
}
class ProtectedBy {
private int playerId = -1;
private Set<Integer> playerIds;
private ProtectedBy() {
}
private void add(int playerId) {
if (this.playerId == -1 || this.playerId == playerId) {
this.playerId = playerId;
} else {
if (playerIds == null) {
playerIds = new HashSet<Integer>(4);
playerIds.add(this.playerId);
}
playerIds.add(playerId);
}
}
private boolean contains(int playerId) {
if (playerIds == null) {
return this.playerId == playerId;
}
return playerIds.contains(playerId);
}
private List<String> getPlayers(List<String> playerNames) {
if (playerIds == null) {
List<String> list = new ArrayList<String>(2);
list.add(playerNames.get(playerId));
return list;
}
List<String> list = new ArrayList<String>(playerIds.size());
for (Integer integer : playerIds) {
list.add(playerNames.get(integer));
}
return list;
}
private int size() {
if (playerIds == null) {
return 1;
}
return playerIds.size();
}
}
HashMap<ProtectedLocation, ProtectedBy> blocks = new HashMap<ProtectedLocation, ProtectedBy>();
public ProtectedBlockMemory(IProtectedBlock storage) {
this.storage = storage;
importProtections(storage.exportProtections());
}
public void clearProtections() {
blocks.clear();
}
public final void importProtections(List<OwnedBlock> blocks) {
for (OwnedBlock ownedBlock : blocks) {
ProtectedLocation pl = new ProtectedLocation(ownedBlock, getWorldId(ownedBlock.world));
if (ownedBlock.playerName == null) {
continue;
}
protectBlock(pl, ownedBlock.playerName);
}
}
public List<OwnedBlock> exportProtections() {
List<OwnedBlock> blockList = new ArrayList<OwnedBlock>(blocks.size());
for (Entry<ProtectedLocation, ProtectedBy> entry : blocks.entrySet()) {
for (String name : entry.getValue().getPlayers(playerNames)) {
OwnedBlock ob = new OwnedBlock();
ob.x = entry.getKey().x;
ob.y = entry.getKey().y;
ob.z = entry.getKey().z;
ob.world = worlds.get(entry.getKey().w);
ob.playerName = name;
blockList.add(ob);
}
}
return blockList;
}
public void protectBlock(final Block block, final String playerName) {
ProtectedLocation pl = new ProtectedLocation(block, getWorldId(block.getWorld()));
protectBlock(pl, playerName);
plugin.getServer().getScheduler().scheduleAsyncDelayedTask(plugin, new Runnable() {
public void run() {
storage.protectBlock(block, playerName);
}
});
}
private void protectBlock(ProtectedLocation pl, String playerName) {
int playerId = getPlayerId(playerName);
ProtectedBy pb = blocks.get(pl);
if (pb == null) {
pb = new ProtectedBy();
blocks.put(pl, pb);
}
pb.add(playerId);
}
public boolean isProtected(Block block, String playerName) {
int playerId = getPlayerId(playerName);
ProtectedLocation pl = new ProtectedLocation(block, getWorldId(block.getWorld()));
ProtectedBy pb = blocks.get(pl);
return !pb.contains(playerId);
}
public List<String> getOwners(Block block) {
ProtectedLocation pl = new ProtectedLocation(block, getWorldId(block.getWorld()));
ProtectedBy pb = blocks.get(pl);
return pb.getPlayers(playerNames);
}
public int unprotectBlock(final Block block) {
ProtectedLocation pl = new ProtectedLocation(block, getWorldId(block.getWorld()));
ProtectedBy pb = blocks.remove(pl);
plugin.getServer().getScheduler().scheduleAsyncDelayedTask(plugin, new Runnable() {
public void run() {
storage.unprotectBlock(block);
}
});
return pb.size();
}
private int getPlayerId(String playername) {
int id = playerNames.indexOf(playername);
if (id < 0) {
playerNames.add(playername);
id = playerNames.indexOf(playername);
}
return id;
}
private int getWorldId(World world) {
return getWorldId(world.getName());
}
private int getWorldId(String name) {
int id = worlds.indexOf(name);
if (id < 0) {
worlds.add(name);
id = worlds.indexOf(name);
}
return id;
}
}
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