Re-implements the collision removal to fix a severe bug

src/main/java/net/knarcraft/minigames/arena/AbstractPlayerEntryState.java

@@ -16,6 +16,7 @@ import org.jetbrains.annotations.NotNull;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
+import java.util.Objects;
 import java.util.Set;
 import java.util.UUID;
 import java.util.logging.Level;
@@ -32,6 +33,7 @@ public abstract class AbstractPlayerEntryState implements PlayerEntryState {
     private final boolean originalAllowFlight;
     private final boolean originalInvulnerable;
     private final boolean originalIsSwimming;
+    private final boolean originalCollideAble;
 
     /**
      * Instantiates a new abstract player entry state
@@ -46,6 +48,7 @@ public abstract class AbstractPlayerEntryState implements PlayerEntryState {
         this.originalAllowFlight = player.getAllowFlight();
         this.originalInvulnerable = player.isInvulnerable();
         this.originalIsSwimming = player.isSwimming();
+        this.originalCollideAble = player.isCollidable();
     }
 
     /**
@@ -58,10 +61,12 @@ public abstract class AbstractPlayerEntryState implements PlayerEntryState {
      * @param originalAllowFlight  <p>Whether the player was allowed flight before entering the arena</p>
      * @param originalInvulnerable <p>Whether the player was invulnerable before entering the arena</p>
      * @param originalIsSwimming   <p>Whether the player was swimming before entering the arena</p>
+     * @param originalCollideAble  <p>Whether the player was collide-able before entering the arena</p>
      */
     public AbstractPlayerEntryState(@NotNull UUID playerId, Location entryLocation,
                                     boolean originalIsFlying, GameMode originalGameMode, boolean originalAllowFlight,
-                                    boolean originalInvulnerable, boolean originalIsSwimming) {
+                                    boolean originalInvulnerable, boolean originalIsSwimming,
+                                    boolean originalCollideAble) {
         this.playerId = playerId;
         this.entryLocation = entryLocation;
         this.originalIsFlying = originalIsFlying;
@@ -69,6 +74,7 @@ public abstract class AbstractPlayerEntryState implements PlayerEntryState {
         this.originalAllowFlight = originalAllowFlight;
         this.originalInvulnerable = originalInvulnerable;
         this.originalIsSwimming = originalIsSwimming;
+        this.originalCollideAble = originalCollideAble;
     }
 
     @Override
@@ -88,6 +94,7 @@ public abstract class AbstractPlayerEntryState implements PlayerEntryState {
 
     @Override
     public void restore(@NotNull Player player) {
+        player.setCollidable(this.originalCollideAble);
         player.setAllowFlight(this.originalAllowFlight);
         player.setFlying(player.getAllowFlight() && this.originalIsFlying);
         player.setGameMode(this.originalGameMode);
@@ -126,6 +133,7 @@ public abstract class AbstractPlayerEntryState implements PlayerEntryState {
         data.put("originalAllowFlight", this.originalAllowFlight);
         data.put("originalInvulnerable", this.originalInvulnerable);
         data.put("originalIsSwimming", this.originalIsSwimming);
+        data.put("originalCollideAble", this.originalCollideAble);
         return data;
     }
 
@@ -155,4 +163,16 @@ public abstract class AbstractPlayerEntryState implements PlayerEntryState {
         }
     }
 
+    /**
+     * Gets a boolean value from a serialization map
+     *
+     * @param data <p>The serialization data to look through</p>
+     * @param key  <p>The key to get</p>
+     * @return <p>The boolean value of the key</p>
+     */
+    protected static boolean getBoolean(Map<String, Object> data, String key) {
+        Boolean value = (Boolean) data.get(key);
+        return Objects.requireNonNullElse(value, false);
+    }
+
 }

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

@@ -44,14 +44,15 @@ public class DropperPlayerEntryState extends AbstractPlayerEntryState {
      * @param originalIsSwimming   <p>Whether the player was swimming before entering the arena</p>
      * @param originalFlySpeed     <p>The fly-speed of the player before entering the arena</p>
      * @param horizontalVelocity   <p>The horizontal velocity of the player before entering the arena</p>
+     * @param originalCollideAble  <p>Whether the player was collide-able before entering the arena</p>
      */
     public DropperPlayerEntryState(@NotNull UUID playerId, Location entryLocation,
                                    boolean originalIsFlying, GameMode originalGameMode, boolean originalAllowFlight,
                                    boolean originalInvulnerable, boolean originalIsSwimming,
                                    float originalFlySpeed, float horizontalVelocity,
-                                   DropperArenaGameMode arenaGameMode) {
+                                   DropperArenaGameMode arenaGameMode, boolean originalCollideAble) {
         super(playerId, entryLocation, originalIsFlying, originalGameMode, originalAllowFlight,
-                originalInvulnerable, originalIsSwimming);
+                originalInvulnerable, originalIsSwimming, originalCollideAble);
         this.originalFlySpeed = originalFlySpeed;
         this.horizontalVelocity = horizontalVelocity;
         this.arenaGameMode = arenaGameMode;
@@ -111,18 +112,19 @@ public class DropperPlayerEntryState extends AbstractPlayerEntryState {
     public static DropperPlayerEntryState deserialize(Map<String, Object> data) {
         UUID playerId = ((SerializableUUID) data.get("playerId")).getRawValue();
         Location entryLocation = (Location) data.get("entryLocation");
-        boolean originalIsFlying = (boolean) data.get("originalIsFlying");
+        boolean originalIsFlying = getBoolean(data, "originalIsFlying");
         GameMode originalGameMode = GameMode.valueOf((String) data.get("originalGameMode"));
-        boolean originalAllowFlight = (boolean) data.get("originalAllowFlight");
+        boolean originalAllowFlight = getBoolean(data, "originalAllowFlight");
-        boolean originalInvulnerable = (boolean) data.get("originalInvulnerable");
+        boolean originalInvulnerable = getBoolean(data, "originalInvulnerable");
-        boolean originalIsSwimming = (boolean) data.get("originalIsSwimming");
+        boolean originalIsSwimming = getBoolean(data, "originalIsSwimming");
         float originalFlySpeed = ((Number) data.get("originalFlySpeed")).floatValue();
         float horizontalVelocity = ((Number) data.get("horizontalVelocity")).floatValue();
         DropperArenaGameMode arenaGameMode = (DropperArenaGameMode) data.get("arenaGameMode");
+        boolean originalCollideAble = getBoolean(data, "originalCollideAble");
 
         return new DropperPlayerEntryState(playerId, entryLocation, originalIsFlying,
                 originalGameMode, originalAllowFlight, originalInvulnerable, originalIsSwimming,
-                originalFlySpeed, horizontalVelocity, arenaGameMode);
+                originalFlySpeed, horizontalVelocity, arenaGameMode, originalCollideAble);
     }
 
 }

src/main/java/net/knarcraft/minigames/arena/parkour/ParkourPlayerEntryState.java

@@ -34,12 +34,13 @@ public class ParkourPlayerEntryState extends AbstractPlayerEntryState {
      * @param originalAllowFlight  <p>Whether the player was allowed flight before entering the arena</p>
      * @param originalInvulnerable <p>Whether the player was invulnerable before entering the arena</p>
      * @param originalIsSwimming   <p>Whether the player was swimming before entering the arena</p>
+     * @param originalCollideAble  <p>Whether the player was collide-able before entering the arena</p>
      */
     public ParkourPlayerEntryState(@NotNull UUID playerId, Location entryLocation,
                                    boolean originalIsFlying, GameMode originalGameMode, boolean originalAllowFlight,
-                                   boolean originalInvulnerable, boolean originalIsSwimming) {
+                                   boolean originalInvulnerable, boolean originalIsSwimming, boolean originalCollideAble) {
         super(playerId, entryLocation, originalIsFlying, originalGameMode, originalAllowFlight,
-                originalInvulnerable, originalIsSwimming);
+                originalInvulnerable, originalIsSwimming, originalCollideAble);
     }
 
     @Override
@@ -63,14 +64,15 @@ public class ParkourPlayerEntryState extends AbstractPlayerEntryState {
     public static ParkourPlayerEntryState deserialize(Map<String, Object> data) {
         UUID playerId = ((SerializableUUID) data.get("playerId")).getRawValue();
         Location entryLocation = (Location) data.get("entryLocation");
-        boolean originalIsFlying = (boolean) data.get("originalIsFlying");
+        boolean originalIsFlying = getBoolean(data, "originalIsFlying");
         GameMode originalGameMode = GameMode.valueOf((String) data.get("originalGameMode"));
-        boolean originalAllowFlight = (boolean) data.get("originalAllowFlight");
+        boolean originalAllowFlight = getBoolean(data, "originalAllowFlight");
-        boolean originalInvulnerable = (boolean) data.get("originalInvulnerable");
+        boolean originalInvulnerable = getBoolean(data, "originalInvulnerable");
-        boolean originalIsSwimming = (boolean) data.get("originalIsSwimming");
+        boolean originalIsSwimming = getBoolean(data, "originalIsSwimming");
+        boolean originalCollideAble = getBoolean(data, "originalCollideAble");
 
         return new ParkourPlayerEntryState(playerId, entryLocation, originalIsFlying,
-                originalGameMode, originalAllowFlight, originalInvulnerable, originalIsSwimming);
+                originalGameMode, originalAllowFlight, originalInvulnerable, originalIsSwimming, originalCollideAble);
     }
 
 }

src/main/java/net/knarcraft/minigames/command/dropper/JoinDropperArenaCommand.java

@@ -91,6 +91,9 @@ public class JoinDropperArenaCommand implements CommandExecutor {
         ArenaPlayerRegistry<DropperArena> playerRegistry = MiniGames.getInstance().getDropperArenaPlayerRegistry();
         playerRegistry.registerPlayer(player.getUniqueId(), newSession);
 
+        // Update visibility and hit-box for the player
+        MiniGames.getInstance().getPlayerVisibilityManager().updateHiddenPlayers(playerRegistry, player);
+
         // Try to teleport the player to the arena
         boolean teleported = PlayerTeleporter.teleportPlayer(player, specifiedArena.getSpawnLocation(), false, false);
         if (!teleported) {
@@ -98,10 +101,9 @@ public class JoinDropperArenaCommand implements CommandExecutor {
             newSession.triggerQuit(false, true);
             return false;
         } else {
-            // Make sure to update the state again in the air to remove a potential swimming state
+            // Update the player's state to follow the arena's rules
             newSession.getEntryState().setArenaState();
-            // Update visibility for the player
+
-            MiniGames.getInstance().getPlayerVisibilityManager().updateHiddenPlayers(playerRegistry, player);
             player.getInventory().addItem(GUIHelper.getGUIOpenItem());
             player.sendMessage(Message.SUCCESS_ARENA_JOINED.getMessage());
             return true;

src/main/java/net/knarcraft/minigames/command/parkour/JoinParkourArenaCommand.java

@@ -89,6 +89,9 @@ public class JoinParkourArenaCommand implements CommandExecutor {
         ArenaPlayerRegistry<ParkourArena> playerRegistry = MiniGames.getInstance().getParkourArenaPlayerRegistry();
         playerRegistry.registerPlayer(player.getUniqueId(), newSession);
 
+        // Update visibility and hit-box for the player
+        MiniGames.getInstance().getPlayerVisibilityManager().updateHiddenPlayers(playerRegistry, player);
+
         // Try to teleport the player to the arena
         boolean teleported = PlayerTeleporter.teleportPlayer(player, specifiedArena.getSpawnLocation(), false, false);
         if (!teleported) {
@@ -96,10 +99,9 @@ public class JoinParkourArenaCommand implements CommandExecutor {
             newSession.triggerQuit(false, true);
             return false;
         } else {
-            // Make sure to update the state again in the air to remove a potential swimming state
+            // Update the player's state to follow the arena's rules
             newSession.getEntryState().setArenaState();
-            // Update visibility for the player
+            
-            MiniGames.getInstance().getPlayerVisibilityManager().updateHiddenPlayers(playerRegistry, player);
             player.getInventory().addItem(GUIHelper.getGUIOpenItem());
             player.sendMessage(Message.SUCCESS_ARENA_JOINED.getMessage());
             return true;