From a6f9e649ffa3c9a9ab50acf8016f38ef2dc6cdbd Mon Sep 17 00:00:00 2001
From: kuroppoi <68156848+kuroppoi@users.noreply.github.com>
Date: Fri, 22 Jul 2022 11:48:41 +0200
Subject: [PATCH] Added a command to manipulate health

---
 .../gameserver/command/CommandManager.java    |  2 +
 .../command/commands/HealthCommand.java       | 75 +++++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 gameserver/src/main/java/brainwine/gameserver/command/commands/HealthCommand.java

diff --git a/gameserver/src/main/java/brainwine/gameserver/command/CommandManager.java b/gameserver/src/main/java/brainwine/gameserver/command/CommandManager.java
index 1f3eaa1..4e390fd 100644
--- a/gameserver/src/main/java/brainwine/gameserver/command/CommandManager.java
+++ b/gameserver/src/main/java/brainwine/gameserver/command/CommandManager.java
@@ -17,6 +17,7 @@ import brainwine.gameserver.command.commands.EntityCommand;
 import brainwine.gameserver.command.commands.ExportCommand;
 import brainwine.gameserver.command.commands.GenerateZoneCommand;
 import brainwine.gameserver.command.commands.GiveCommand;
+import brainwine.gameserver.command.commands.HealthCommand;
 import brainwine.gameserver.command.commands.HelpCommand;
 import brainwine.gameserver.command.commands.ImportCommand;
 import brainwine.gameserver.command.commands.KickCommand;
@@ -71,6 +72,7 @@ public class CommandManager {
         registerCommand(new PositionCommand());
         registerCommand(new RickrollCommand());
         registerCommand(new EntityCommand());
+        registerCommand(new HealthCommand());
     }
     
     public static void executeCommand(CommandExecutor executor, String commandLine) {
diff --git a/gameserver/src/main/java/brainwine/gameserver/command/commands/HealthCommand.java b/gameserver/src/main/java/brainwine/gameserver/command/commands/HealthCommand.java
new file mode 100644
index 0000000..ecdd013
--- /dev/null
+++ b/gameserver/src/main/java/brainwine/gameserver/command/commands/HealthCommand.java
@@ -0,0 +1,75 @@
+package brainwine.gameserver.command.commands;
+
+import static brainwine.gameserver.entity.player.NotificationType.ALERT;
+
+import brainwine.gameserver.GameServer;
+import brainwine.gameserver.command.Command;
+import brainwine.gameserver.command.CommandExecutor;
+import brainwine.gameserver.entity.player.Player;
+
+public class HealthCommand extends Command {
+
+    @Override
+    public void execute(CommandExecutor executor, String[] args) {
+        Player target = null;
+        
+        if(args.length < 2) {
+            if(args.length == 0 || !(executor instanceof Player)) {
+                executor.notify(String.format("Usage: %s", getUsage(executor)), ALERT);
+                return;
+            }
+            target = (Player)executor;
+        } else {
+            target = GameServer.getInstance().getPlayerManager().getPlayer(args[1]);
+        }
+        
+        if(target == null) {
+            executor.notify("This player does not exist.", ALERT);
+            return;
+        } else if(!target.isOnline()) {
+            executor.notify("This player is offline.", ALERT);
+            return;
+        }
+        
+        float health = 0;
+        
+        try {
+            health = Float.parseFloat(args[0]);
+        } catch(NumberFormatException e) {
+            executor.notify("Health must be a valid number.", ALERT);
+            return;
+        }
+        
+        target.setHealth(health);
+        target.alert(String.format("Your health has been set to %s", target.getHealth()));
+        
+        if(target != executor) {
+            executor.notify(String.format("Set %s's health to %s", target.getName(), target.getHealth()), ALERT);
+        }
+    }
+
+    @Override
+    public String getName() {
+        return "health";
+    }
+    
+    @Override
+    public String[] getAliases() {
+        return new String[] { "hp" };
+    }
+    
+    @Override
+    public String getDescription() {
+        return "Sets a player's health.";
+    }
+    
+    @Override
+    public String getUsage(CommandExecutor executor) {
+        return String.format("/health <amount> %s", executor instanceof Player ? "[player]" : "<player>");
+    }
+    
+    @Override
+    public boolean canExecute(CommandExecutor executor) {
+        return executor.isAdmin();
+    }
+}