Implements checkpoints

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

@@ -11,6 +11,7 @@ import net.knarcraft.minigames.util.PlayerTeleporter;
 import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
 
 import java.util.logging.Level;
 
@@ -25,6 +26,7 @@ public class ParkourArenaSession implements ArenaSession {
     private int deaths;
     private final long startTime;
     private final PlayerEntryState entryState;
+    private Location reachedCheckpoint = null;
 
     /**
      * Instantiates a new parkour arena session
@@ -62,6 +64,24 @@ public class ParkourArenaSession implements ArenaSession {
         return this.entryState;
     }
 
+    /**
+     * Registers the checkpoint this session's player has reached
+     *
+     * @param location <p>The location of the checkpoint</p>
+     */
+    public void registerCheckpoint(@NotNull Location location) {
+        this.reachedCheckpoint = location;
+    }
+
+    /**
+     * Gets the checkpoint currently registered as the player's spawn location
+     *
+     * @return <p>The registered checkpoint, or null if not set</p>
+     */
+    public @Nullable Location getRegisteredCheckpoint() {
+        return this.reachedCheckpoint;
+    }
+
     /**
      * Triggers a win for the player playing in this session
      */
@@ -154,7 +174,8 @@ public class ParkourArenaSession implements ArenaSession {
     public void triggerLoss() {
         this.deaths++;
         //Teleport the player back to the top
-        PlayerTeleporter.teleportPlayer(this.player, this.arena.getSpawnLocation(), true, false);
+        Location spawnLocation = this.reachedCheckpoint != null ? this.reachedCheckpoint : this.arena.getSpawnLocation();
+        PlayerTeleporter.teleportPlayer(this.player, spawnLocation, true, false);
         this.entryState.setArenaState();
     }
 

src/main/java/net/knarcraft/minigames/listener/MoveListener.java

@@ -59,12 +59,22 @@ public class MoveListener implements Listener {
      * @param arenaSession <p>The dropper session of the player triggering the event</p>
      */
     private void doParkourArenaChecks(@NotNull PlayerMoveEvent event, ParkourArenaSession arenaSession) {
-        if (event.getTo() == null) {
+        // Ignore movement which won't cause the player's block to change
+        if (event.getTo() == null || event.getFrom().getBlock() == event.getTo().getBlock()) {
             return;
         }
+        
         // Only do block type checking if the block beneath the player changes
-        if (event.getFrom().getBlock() != event.getTo().getBlock()) {
-            checkForSpecialBlock(arenaSession, event.getTo());
+        if (checkForSpecialBlock(arenaSession, event.getTo())) {
+            return;
+        }
+
+        // Check if the player reached one of the checkpoints for the arena
+        for (Location checkpoint : arenaSession.getArena().getCheckpoints()) {
+            if (checkpoint.getBlock().equals(event.getTo().getBlock())) {
+                arenaSession.registerCheckpoint(checkpoint.clone());
+                return;
+            }
         }
     }
 

src/main/java/net/knarcraft/minigames/listener/PlayerLeaveListener.java

@@ -2,7 +2,9 @@ package net.knarcraft.minigames.listener;
 
 import net.knarcraft.minigames.MiniGames;
 import net.knarcraft.minigames.arena.ArenaSession;
+import net.knarcraft.minigames.arena.parkour.ParkourArenaSession;
 import org.bukkit.Bukkit;
+import org.bukkit.Location;
 import org.bukkit.entity.Player;
 import org.bukkit.event.EventHandler;
 import org.bukkit.event.Listener;
@@ -52,7 +54,8 @@ public class PlayerLeaveListener implements Listener {
 
     @EventHandler
     public void onPlayerTeleport(PlayerTeleportEvent event) {
-        if (event.getTo() == null || event.isCancelled()) {
+        Location targetLocation = event.getTo();
+        if (targetLocation == null || event.isCancelled()) {
             return;
         }
 
@@ -61,7 +64,12 @@ public class PlayerLeaveListener implements Listener {
             return;
         }
 
-        if (event.getTo().equals(arenaSession.getArena().getSpawnLocation())) {
+        if (targetLocation.equals(arenaSession.getArena().getSpawnLocation())) {
+            return;
+        }
+
+        if (arenaSession instanceof ParkourArenaSession parkourArenaSession &&
+                targetLocation.equals(parkourArenaSession.getRegisteredCheckpoint())) {
             return;
         }