Parkour implementation safety save 2

This is just a safety save in case the code gets too broken to fix.

src/main/java/net/knarcraft/minigames/arena/dropper/DropperArenaGroup.java

@@ -0,0 +1,122 @@
+package net.knarcraft.minigames.arena.dropper;
+
+import net.knarcraft.minigames.MiniGames;
+import net.knarcraft.minigames.arena.ArenaGroup;
+import net.knarcraft.minigames.container.SerializableUUID;
+import net.knarcraft.minigames.util.SerializableConverter;
+import org.bukkit.entity.Player;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.logging.Level;
+
+/**
+ * A sorted group of arenas that must be completed in sequence
+ */
+public class DropperArenaGroup extends ArenaGroup {
+
+    /**
+     * Instantiates a new dropper arena group
+     *
+     * @param groupName <p>The name of this group</p>
+     */
+    public DropperArenaGroup(@NotNull String groupName) {
+        super(groupName);
+    }
+
+    /**
+     * Instantiates a new dropper arena group
+     *
+     * @param groupId   <p>The unique id of this group</p>
+     * @param groupName <p>The name of this group</p>
+     * @param arenas    <p>The arenas in this group</p>
+     */
+    private DropperArenaGroup(@NotNull UUID groupId, @NotNull String groupName, @NotNull List<UUID> arenas) {
+        super(groupId, groupName, arenas);
+    }
+
+    /**
+     * Checks whether the given player has beaten all arenas in this group on the given game-mode
+     *
+     * @param gameMode <p>The game-mode to check</p>
+     * @param player   <p>The player to check</p>
+     * @return <p>True if the player has beaten all arenas, false otherwise</p>
+     */
+    public boolean hasBeatenAll(DropperArenaGameMode gameMode, Player player) {
+        DropperArenaHandler arenaHandler = MiniGames.getInstance().getDropperArenaHandler();
+        for (UUID anArenaId : this.getArenas()) {
+            DropperArena dropperArena = arenaHandler.getArena(anArenaId);
+            if (dropperArena == null) {
+                // The arena would only be null if the arena has been deleted, but not removed from this group
+                MiniGames.log(Level.WARNING, "The dropper group " + this.getGroupName() +
+                        " contains the arena id " + anArenaId + " which is not a valid arena id!");
+                continue;
+            }
+
+            if (dropperArena.getData().hasNotCompleted(gameMode, player)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
+    /**
+     * Gets whether the given player can play the given arena part of this group, on the given game-mode
+     *
+     * @param gameMode <p>The game-mode the player is trying to play</p>
+     * @param player   <p>The player to check</p>
+     * @param arenaId  <p>The id of the arena in this group to check</p>
+     * @return <p>True if the player is allowed to play the arena</p>
+     * @throws IllegalArgumentException <p>If checking an arena not in this group</p>
+     */
+    public boolean canPlay(DropperArenaGameMode gameMode, Player player, UUID arenaId) throws IllegalArgumentException {
+        if (!this.arenas.contains(arenaId)) {
+            throw new IllegalArgumentException("Cannot check for playability for arena not in this group!");
+        }
+
+        DropperArenaHandler arenaHandler = MiniGames.getInstance().getDropperArenaHandler();
+
+        for (UUID anArenaId : this.getArenas()) {
+            // If the target arena is reached, allow, as all previous arenas must have been cleared
+            if (arenaId.equals(anArenaId)) {
+                return true;
+            }
+
+            DropperArena dropperArena = arenaHandler.getArena(anArenaId);
+            if (dropperArena == null) {
+                // The arena would only be null if the arena has been deleted, but not removed from this group
+                MiniGames.log(Level.WARNING, String.format("The dropper group %s contains the" +
+                        " arena id %s which is not a valid arena id!", this.getGroupName(), anArenaId));
+                continue;
+            }
+
+            // This is a lower-numbered arena the player has yet to complete
+            if (dropperArena.getData().hasNotCompleted(gameMode, player)) {
+                return false;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Deserializes the given data
+     *
+     * @param data <p>The data to deserialize</p>
+     * @return <p>The deserialized arena group</p>
+     */
+    @SuppressWarnings({"unused", "unchecked"})
+    public static @NotNull DropperArenaGroup deserialize(@NotNull Map<String, Object> data) {
+        UUID id = ((SerializableUUID) data.get("groupId")).getRawValue();
+        String name = (String) data.get("groupName");
+        List<SerializableUUID> serializableArenas = (List<SerializableUUID>) data.get("arenas");
+        List<UUID> arenas = new ArrayList<>();
+        
+        SerializableConverter.getRawValue(new ArrayList<>(serializableArenas), arenas);
+        return new DropperArenaGroup(id, name, arenas);
+    }
+
+}