Start repo, claude & kimi still vibing tho

lib/odinsea/constants/server.ex

@@ -0,0 +1,122 @@
+defmodule Odinsea.Constants.Server do
+  @moduledoc """
+  Server constants ported from Java ServerConstants.
+  These define the MapleStory client version and protocol details.
+  """
+
+  # MapleStory Client Version (GMS v342)
+  @maple_version 342
+  @maple_patch "1"
+  @client_version 99
+
+  # Protocol constants
+  @packet_header_size 4
+  @aes_key_size 32
+  @block_size 1460
+
+  # RSA Keys (from ServerConstants.java)
+  @pub_key ""
+  @maplogin_default "default"
+  @maplogin_custom "custom"
+
+  # Packet sequence constants
+  @iv_length 4
+  @short_size 2
+  @int_size 4
+  @long_size 8
+
+  @doc """
+  Returns the MapleStory client version.
+  """
+  def maple_version, do: @maple_version
+
+  @doc """
+  Returns the MapleStory patch version.
+  """
+  def maple_patch, do: @maple_patch
+
+  @doc """
+  Returns the full client version string.
+  """
+  def client_version, do: @client_version
+
+  @doc """
+  Returns the packet header size in bytes.
+  """
+  def packet_header_size, do: @packet_header_size
+
+  @doc """
+  Returns the AES key size in bytes.
+  """
+  def aes_key_size, do: @aes_key_size
+
+  @doc """
+  Returns the network block size.
+  """
+  def block_size, do: @block_size
+
+  @doc """
+  Returns the RSA public key.
+  """
+  def pub_key do
+    Application.get_env(:odinsea, :rsa_pub_key, @pub_key)
+  end
+
+  @doc """
+  Returns the default login background.
+  """
+  def maplogin_default, do: @maplogin_default
+
+  @doc """
+  Returns the custom login background.
+  """
+  def maplogin_custom, do: @maplogin_custom
+
+  @doc """
+  Returns the IV (initialization vector) length.
+  """
+  def iv_length, do: @iv_length
+
+  @doc """
+  Returns the size of a short in bytes.
+  """
+  def short_size, do: @short_size
+
+  @doc """
+  Returns the size of an int in bytes.
+  """
+  def int_size, do: @int_size
+
+  @doc """
+  Returns the size of a long in bytes.
+  """
+  def long_size, do: @long_size
+
+  @doc """
+  Returns server info from configuration.
+  """
+  def server_info do
+    Application.get_env(:odinsea, :server, [])
+  end
+
+  @doc """
+  Returns the server name.
+  """
+  def server_name do
+    server_info()[:name] || "Luna"
+  end
+
+  @doc """
+  Returns the server host.
+  """
+  def server_host do
+    server_info()[:host] || "127.0.0.1"
+  end
+
+  @doc """
+  Returns the server revision.
+  """
+  def server_revision do
+    server_info()[:revision] || 1
+  end
+end