implemented player revive

src/main/java/org/kapelle/hardcore_revive/HardcoreRevive.java

@@ -5,12 +5,14 @@ import org.bukkit.plugin.java.JavaPlugin;
 public class HardcoreRevive extends JavaPlugin {
     DropHead dropHead;
     SummonHead summonHead;
+    RevivePlayer revivePlayer;
 
     @Override
     public void onEnable() {
         if(this.getServer().isHardcore()){
             dropHead = new DropHead(this);
             summonHead = new SummonHead(this);
+            revivePlayer = new RevivePlayer(this);
             this.getLogger().info("hardcore-revive plugin enabled.");
         }else{
             this.getLogger().info("Not running in hardcore mode. hardcore-revive disabled.");

src/main/java/org/kapelle/hardcore_revive/RevivePlayer.java

@@ -0,0 +1,63 @@
+package org.kapelle.hardcore_revive;
+
+import org.bukkit.GameMode;
+import org.bukkit.Location;
+import org.bukkit.Material;
+import org.bukkit.OfflinePlayer;
+import org.bukkit.block.Block;
+import org.bukkit.block.Skull;
+import org.bukkit.entity.Player;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.block.BlockPlaceEvent;
+import org.bukkit.plugin.java.JavaPlugin;
+import org.bukkit.util.Vector;
+
+public class RevivePlayer implements Listener {
+    private JavaPlugin plugin;
+
+    public RevivePlayer(JavaPlugin plugin){
+        this.plugin = plugin;
+
+        plugin.getServer().getPluginManager().registerEvents(this, plugin);
+    }
+
+    @EventHandler
+    public void onBlockPlace(BlockPlaceEvent event){
+        if(event.getBlockPlaced().getType() == Material.PLAYER_HEAD && !event.isCancelled()){
+            if(isValidMultiblock(event.getBlockPlaced().getLocation())){
+                OfflinePlayer spirit = getPlayerFromHead(event.getBlockPlaced());
+                if (spirit.isOnline() /* && spirit.getPlayer().getGameMode() == GameMode.SPECTATOR */){
+                    revivePlayer(spirit.getPlayer(),event.getBlockPlaced().getLocation());
+                }else{
+                    // Player is not online or not dead
+                    plugin.getServer().broadcastMessage("Player not ded");
+                    // TODO
+                }
+            }
+        }
+    }
+
+    private boolean isValidMultiblock(Location lastPlacedBlock){
+        return lastPlacedBlock.clone().add(new Vector(0,-1,0)).getBlock().getType() == Material.GOLD_BLOCK
+                && lastPlacedBlock.clone().add(new Vector(0,-2,0)).getBlock().getType() == Material.MAGMA_BLOCK;
+    }
+
+    private OfflinePlayer getPlayerFromHead(Block head){
+        Skull skull = (Skull) (head.getState());
+        return skull.getOwningPlayer();
+    }
+
+    private void revivePlayer(Player player, Location headLocation){
+        // Break blocks
+        headLocation.getBlock().setType(Material.AIR);
+        headLocation.add(new Vector(0,-1,0)).getBlock().setType(Material.AIR);
+        headLocation.add(new Vector(0,-1,0)).getBlock().setType(Material.AIR);
+
+        // Teleport player
+        player.teleport(headLocation);
+
+        // Set player gamemode
+        player.setGameMode(GameMode.SURVIVAL);
+    }
+}