Added structure pasting - WIP

Does not work if chunks around the paste point are not loaded.

src/main/java/world/bentobox/boxed/Boxed.java

@@ -2,6 +2,7 @@ package world.bentobox.boxed;
 
 import java.util.Collections;
 
+import org.bukkit.Bukkit;
 import org.bukkit.ChunkSnapshot;
 import org.bukkit.Difficulty;
 import org.bukkit.Material;
@@ -27,6 +28,7 @@ import world.bentobox.boxed.generators.BoxedChunkGenerator;
 import world.bentobox.boxed.generators.BoxedSeedChunkGenerator;
 import world.bentobox.boxed.listeners.AdvancementListener;
 import world.bentobox.boxed.listeners.EnderPearlListener;
+import world.bentobox.boxed.listeners.NewAreaListener;
 
 /**
  * Main Boxed class - provides a survival game inside a box
@@ -110,7 +112,7 @@ public class Boxed extends GameModeAddon {
         // Register listeners
         this.registerListener(new AdvancementListener(this));
         this.registerListener(new EnderPearlListener(this));
-        //this.registerListener(new DebugListener(this));
+        this.registerListener(new NewAreaListener(this));
 
         // Register placeholders
         PlaceholdersManager phManager  = new PlaceholdersManager(this);
@@ -152,7 +154,8 @@ public class Boxed extends GameModeAddon {
                 .createWorld();
         seedWorld.setDifficulty(Difficulty.PEACEFUL); // No damage wanted in this world.
         saveChunks(seedWorld);
-
+        // Unload seed world
+        //Bukkit.getServer().unloadWorld("seed", false);
         String worldName = settings.getWorldName().toLowerCase();
 
         if (getServer().getWorld(worldName) == null) {

src/main/java/world/bentobox/boxed/listeners/NewAreaListener.java

@@ -0,0 +1,91 @@
+package world.bentobox.boxed.listeners;
+
+import java.io.File;
+
+import org.bukkit.Bukkit;
+import org.bukkit.Location;
+import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.configuration.file.YamlConfiguration;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.EventPriority;
+import org.bukkit.event.Listener;
+
+import world.bentobox.bentobox.api.events.island.IslandCreatedEvent;
+import world.bentobox.bentobox.database.objects.Island;
+import world.bentobox.bentobox.util.Util;
+import world.bentobox.boxed.Boxed;
+
+/**
+ * @author tastybento
+ * Place structures in areas after they are created
+ */
+public class NewAreaListener implements Listener {
+
+    private final Boxed addon;
+    private final YamlConfiguration config;
+
+    /**
+     * @param addon addon
+     */
+    public NewAreaListener(Boxed addon) {
+        this.addon = addon;
+        // Load the config
+        File structureFile = new File(addon.getDataFolder(), "structures.yml");
+        // Check if it exists and if not, save it from the jar
+        if (!structureFile.exists()) {
+            addon.saveResource("structures.yml", true);
+        }
+        config = YamlConfiguration.loadConfiguration(structureFile);
+
+    }
+
+    @EventHandler(priority = EventPriority.NORMAL, ignoreCancelled = true)
+    public void onIslandCreated(IslandCreatedEvent e) {
+        addon.log(e.getEventName());
+        Island island = e.getIsland();
+        addon.getPlugin().getIWM().getAddon(island.getWorld()).ifPresent(gma -> addon.log(gma.getDescription().getName()));
+        // Check if this island is in this game
+        /*
+        if (!addon.getPlugin().getIWM().getAddon(island.getWorld()).map(gma -> gma.equals(addon)).orElse(false)) {
+            // Not correct addon
+            return;
+        }*/
+        Location center = island.getProtectionCenter();
+        ConfigurationSection section = config.getConfigurationSection("structures.new");
+        if (section == null) {
+            addon.logError("structures.new not found");
+            return;
+        }
+        for (String structure : section.getKeys(false)) {
+            addon.log(structure);
+            String value = section.getString(structure,"");
+            // Extract coords
+            String[] coords = value.split(",");
+            if (coords.length == 3) {
+                int x = Integer.valueOf(coords[0]) + center.getBlockX();
+                int y = Integer.valueOf(coords[1]) + center.getBlockY();
+                int z = Integer.valueOf(coords[2]) + center.getBlockZ();
+                Util.getChunkAtAsync(center.getWorld(), x >> 4, z >> 4, true).thenAccept(c -> {
+                    // Run command
+                    String cmd = "place structure minecraft:" + structure + " "
+                            + x + " "
+                            + y + " "
+                            + z + " ";
+                    Bukkit.getScheduler().runTaskLater(addon.getPlugin(), () -> {
+                        addon.log("run command " + cmd);
+                        addon.getServer().dispatchCommand(Bukkit.getConsoleSender(), cmd);
+                    }, 1000);
+                });
+
+            } else {
+                addon.logError("Structure file syntax error: " + structure + " " + value);
+            }
+
+        }
+
+
+    }
+
+
+
+}

src/main/resources/structures.yml

@@ -0,0 +1,3 @@
+structures:
+  new-island:
+    "minecraft:village": 100,0,100