feat: spawn command now functional

values like cooldown and delay are currently set via constant variables

spawncmdplugin/src/main/java/io/maloschnikow/spawncmdplugin/SpawnCommand.java

@@ -1,25 +1,79 @@
 package io.maloschnikow.spawncmdplugin;
 
+import org.bukkit.Location;
+import org.bukkit.World;
+
+import java.util.Dictionary;
+import java.util.Hashtable;
 import java.util.Random;
+import java.util.UUID;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
 
+import org.bukkit.command.CommandSender;
+import org.bukkit.entity.Player;
 import org.jetbrains.annotations.NotNull;
+
 import io.papermc.paper.command.brigadier.BasicCommand;
 import io.papermc.paper.command.brigadier.CommandSourceStack;
 
 public class SpawnCommand implements BasicCommand {
 
+    private Dictionary<UUID, Long> playerLastUse; //Holds unix time in seconds of the last command use of each player
+    private final Long COOLDOWN_TIME_SEC = 60L;
+    private final int FAIL_PROBABILITY = 1000; // 1 to x (e.g. 1 to 1000) (kind of)
+    private final long TELEPORT_DELAY_SEC = 6;
+
+    public SpawnCommand() {
+
+        playerLastUse = new Hashtable<>();
+
+    }
+
     @Override
     public void execute(@NotNull CommandSourceStack stack, @NotNull String[] args) {
+        CommandSender sender = stack.getSender();
+        if (!(sender instanceof Player)) {
+            return;
+        }
 
+        //Get player and world info
+        Player player = (Player)stack.getSender();
+        UUID uuid = player.getUniqueId();
+        World spawnWorld = player.getServer().getWorld("world");
+        Location spawnLocation = spawnWorld.getSpawnLocation();
+
+        //Check cooldown
+        Long lastUse = playerLastUse.get(uuid);
+        Long currentTime = Long.valueOf(System.currentTimeMillis() / 1000L);
+        if ((lastUse != null) && ( (currentTime - lastUse) < COOLDOWN_TIME_SEC)) {
+            Long remainingTime = COOLDOWN_TIME_SEC - (currentTime - lastUse);
+            player.sendRichMessage("<red>Warte noch <bold><dark_red>" + remainingTime.toString() + "</dark_red></bold> Sekunden.</red>");
+            return;
+        }
+
+        //Sets date and time of command use
+        this.playerLastUse.put(uuid, Long.valueOf(System.currentTimeMillis() / 1000L));
+
+        //Decides on randomness if player is teleported
         Random rand = new Random();
-        int n = rand.nextInt(1000);
+        int n = rand.nextInt(FAIL_PROBABILITY + 1);
         if (n > 0) {
-            stack.getSender().sendRichMessage("<green>Du wirst gleich teleportiert.</green>");
+            player.sendRichMessage("<green>Du wirst in <bold><dark_green>" + TELEPORT_DELAY_SEC +"</dark_green></bold> Sekunden teleportiert.</green>");
+
+            //Teleport player with delay
+            final ScheduledExecutorService executorService = Executors.newSingleThreadScheduledExecutor();
+            executorService.schedule(new Runnable() {
+                @Override
+                public void run() {
+                    player.teleportAsync(spawnLocation);
+                }
+            }, TELEPORT_DELAY_SEC, TimeUnit.SECONDS);
+
         }
         else {
-            stack.getSender().sendRichMessage("<red>Ne, heute nicht.</red>");
+            player.sendRichMessage("<red>Ne, heute nicht.</red>");
         }
-
     }
-
 }

spawncmdplugin/src/main/resources/plugin.yml

@@ -1,5 +1,5 @@
-name: SpawnCMDPlugin
-version: 0.0.1
+name: spawncmdplugin
+version: 1.0.0
 main: io.maloschnikow.spawncmdplugin.SpawnCMDPlugin
 description: Adds a "/spawn" command to teleport the player back to the spawn.
 author: Maloschnikow