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Added island tracking via yml database instead of filesystem.
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tastybento
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Jan 27, 2015
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,213 @@ | ||
| /** | ||
| * | ||
| */ | ||
| package com.wasteofplastic.askyblock; | ||
|
|
||
| import java.io.File; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Map.Entry; | ||
| import java.util.TreeMap; | ||
| import java.util.UUID; | ||
|
|
||
| import org.bukkit.Location; | ||
| import org.bukkit.configuration.file.YamlConfiguration; | ||
|
|
||
| /** | ||
| * @author tastybento | ||
| * This class manages the island grid. It knows where every island is, and where new | ||
| * ones should go. It can handle any size of island or protection size | ||
| * The grid is stored in a YML file. | ||
| */ | ||
| public class GridManager { | ||
| private ASkyBlock plugin = ASkyBlock.getPlugin(); | ||
| // 2D grid of islands, x,z | ||
| private TreeMap<Integer,TreeMap<Integer,Island>> grid = new TreeMap<Integer,TreeMap<Integer,Island>>(); | ||
| private File islandFile; | ||
|
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|
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| /** | ||
| * @param plugin | ||
| */ | ||
| public GridManager(ASkyBlock plugin) { | ||
| this.plugin = plugin; | ||
| loadGrid(); | ||
| } | ||
|
|
||
| protected void loadGrid() { | ||
| islandFile = new File(plugin.getDataFolder(),"islands.yml"); | ||
| if (!islandFile.exists()) { | ||
| plugin.getLogger().info("islands.yml does not exist. Converting..."); | ||
| convert(); | ||
| } else { | ||
| plugin.getLogger().info("Loading islands.yml"); | ||
| YamlConfiguration islandYaml = ASkyBlock.loadYamlFile("islands.yml"); | ||
| List <String> islandList = new ArrayList<String>(); | ||
| if (islandYaml.contains(Settings.worldName)) { | ||
| islandList = islandYaml.getStringList(Settings.worldName); | ||
| for (String island : islandList) { | ||
| addIsland(island); | ||
| } | ||
| } else { | ||
| plugin.getLogger().severe("Could not find any islands for this world..."); | ||
| } | ||
|
|
||
| } | ||
| } | ||
|
|
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| private void convert() { | ||
| final File islandFolder = new File(plugin.getDataFolder() + File.separator + "islands"); | ||
| for (File f: islandFolder.listFiles()) { | ||
| // Need to remove the .yml suffix | ||
| String fileName = f.getName(); | ||
| int comma = fileName.indexOf(","); | ||
| if (fileName.endsWith(".yml") && comma != -1) { | ||
| try { | ||
| // Parse to an island value | ||
| int x = Integer.parseInt(fileName.substring(0, comma)); | ||
| int z = Integer.parseInt(fileName.substring(comma +1 , fileName.indexOf("."))); | ||
| // Note that this is the CENTER of the island | ||
| addIsland(x,z); | ||
| //plugin.getLogger().info("DEBUG: added island " + x + "," +z); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
| } | ||
| // Now save the grid | ||
| saveGrid(); | ||
|
|
||
| } | ||
|
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| protected void saveGrid() { | ||
| final File islandFile = new File(plugin.getDataFolder(), "islands.yml"); | ||
| YamlConfiguration islandYaml = new YamlConfiguration(); | ||
| List <String> islandList = new ArrayList<String>(); | ||
| for (int x : grid.keySet()) { | ||
| for (int z : grid.get(x).keySet()) { | ||
| Island island = grid.get(x).get(z); | ||
| islandList.add(island.serialize()); | ||
| } | ||
| } | ||
| islandYaml.set(Settings.worldName, islandList); | ||
| // Save the file | ||
| try { | ||
| islandYaml.save(islandFile); | ||
| } catch (Exception e) { | ||
| plugin.getLogger().severe("Could not save islands.yml!"); | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Returns the island at the location or null if there is none | ||
| * @param location | ||
| * @return Island object | ||
| */ | ||
| protected Island getIslandAt(Location location) { | ||
| int x = location.getBlockX(); | ||
| Entry<Integer, TreeMap<Integer,Island>> en = grid.lowerEntry(x); | ||
| if (en != null) { | ||
| int z = location.getBlockZ(); | ||
| Entry<Integer, Island> ent = en.getValue().lowerEntry(z); | ||
| if (ent != null) { | ||
| return ent.getValue(); | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| /** | ||
| * Returns the owner of the island at location | ||
| * @param location | ||
| * @return UUID of owner | ||
| */ | ||
| protected UUID getOwnerOfIslandAt(Location location) { | ||
| Island island = getIslandAt(location); | ||
| if (island != null) { | ||
| return island.getOwner(); | ||
| } | ||
| return null; | ||
| } | ||
|
|
||
| // grid manipulation methods | ||
| /** | ||
| * Adds an island to the grid | ||
| * @param x | ||
| * @param z | ||
| * @return true if successful, false if the spot is already taken | ||
| */ | ||
| protected boolean addIsland(int x, int z) { | ||
| return addIsland(x, z, null); | ||
| } | ||
|
|
||
| /** | ||
| * Adds an island to the grid with owner UUID | ||
| * @param x | ||
| * @param z | ||
| * @param owner | ||
| * @return true if successful, false if the spot is already taken | ||
| */ | ||
| protected boolean addIsland(int x, int z, UUID owner) { | ||
| if (grid.containsKey(x)) { | ||
| TreeMap<Integer,Island> zEntry = grid.get(x); | ||
| if (zEntry.containsKey(z)) { | ||
| // Island already exists | ||
| return false; | ||
| } else { | ||
| // Add island | ||
| zEntry.put(z, new Island(x,z, owner)); | ||
| grid.put(x, zEntry); | ||
| return true; | ||
| } | ||
| } else { | ||
| // Add island | ||
| TreeMap<Integer,Island> zEntry = new TreeMap<Integer,Island>(); | ||
| zEntry.put(z,new Island(x,z, owner)); | ||
| grid.put(x, zEntry); | ||
| return true; | ||
| } | ||
| } | ||
| protected boolean addIsland(String islandSerialized) { | ||
| Island newIsland = new Island(islandSerialized); | ||
| if (grid.containsKey(newIsland.getMinX())) { | ||
| TreeMap<Integer,Island> zEntry = grid.get(newIsland.getMinX()); | ||
| if (zEntry.containsKey(newIsland.getMinZ())) { | ||
| // Island already exists | ||
| plugin.getLogger().warning("Duplicate island found in island.yml: " + newIsland.getMinX() + "," + newIsland.getMinZ()); | ||
| return false; | ||
| } else { | ||
| // Add island | ||
| zEntry.put(newIsland.getMinZ(), newIsland); | ||
| grid.put(newIsland.getMinX(), zEntry); | ||
| //plugin.getLogger().info("Debug: " + newIsland.toString()); | ||
| return true; | ||
| } | ||
| } else { | ||
| // Add island | ||
| TreeMap<Integer,Island> zEntry = new TreeMap<Integer,Island>(); | ||
| zEntry.put(newIsland.getMinZ(), newIsland); | ||
| grid.put(newIsland.getMinX(), zEntry); | ||
| //plugin.getLogger().info("Debug: " + newIsland.toString()); | ||
| return true; | ||
| } | ||
| } | ||
| /** | ||
| * Delete island from the grid | ||
| * @param x | ||
| * @param z | ||
| * @return true if successful, false if there was no island to delete | ||
| */ | ||
| protected boolean deleteIsland(int x, int z) { | ||
| if (grid.containsKey(x)) { | ||
| TreeMap<Integer,Island> zEntry = grid.get(x); | ||
| if (zEntry.containsKey(z)) { | ||
| // Island exists - delete it | ||
| zEntry.remove(z); | ||
| grid.put(x, zEntry); | ||
| return true; | ||
| } | ||
| } | ||
| return false; | ||
| } | ||
| } |
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