kimi gone wild

lib/odinsea/channel/handler/monster_carnival.ex

@@ -0,0 +1,181 @@
+defmodule Odinsea.Channel.Handler.MonsterCarnival do
+  @moduledoc """
+  Handles Monster Carnival (CPQ - Carnival Party Quest) operations.
+
+  Ported from: src/handling/channel/handler/MonsterCarnivalHandler.java
+
+  CPQ is a PvP-style party quest where two parties compete:
+  - Summon monsters to send to the opposing team
+  - Use debuff skills on the opposing team
+  - Deploy guardians for defense
+
+  ## Tabs
+  - 0: Summon monsters
+  - 1: Use debuff skills
+  - 2: Summon guardians
+
+  ## Main Handlers
+  - handle_monster_carnival/2 - All CPQ operations
+  """
+
+  require Logger
+
+  alias Odinsea.Net.Packet.In
+  alias Odinsea.Game.Character
+  alias Odinsea.Channel.Packets
+
+  # ============================================================================
+  # CPQ Operations
+  # ============================================================================
+
+  @doc """
+  Handles all Monster Carnival operations (CP_MONSTER_CARNIVAL / 0x125).
+
+  Tabs:
+  - 0: Summon monsters (mob list index)
+  - 1: Use debuff skills (skill list index)
+  - 2: Summon guardians (guardian index)
+
+  Reference: MonsterCarnivalHandler.MonsterCarnival()
+  """
+  def handle_monster_carnival(packet, client_pid) do
+    case Character.get_state_by_client(client_pid) do
+      {:ok, character_id, char_state} ->
+        # Check if in carnival party
+        if char_state.carnival_party == nil do
+          Logger.debug("Monster Carnival rejected: character #{character_id} not in carnival party")
+          send(client_pid, {:send_packet, Packets.enable_actions()})
+          :ok
+        else
+          tab = In.decode_byte(packet)
+          num = In.decode_int(packet)
+          
+          handle_carnival_tab(tab, num, client_pid, character_id, char_state)
+        end
+
+      {:error, reason} ->
+        Logger.warn("Failed to handle monster carnival: #{inspect(reason)}")
+    end
+  end
+
+  # ============================================================================
+  # Tab Handlers
+  # ============================================================================
+
+  # Tab 0: Summon monsters
+  defp handle_carnival_tab(0, num, client_pid, character_id, char_state) do
+    map_id = char_state.map
+    team = char_state.carnival_party.team
+    available_cp = char_state.carnival_party.available_cp
+    
+    # TODO: Get mob list for map
+    # mobs = Map.get_mobs_to_spawn(map_id)
+    
+    # TODO: Validate num is valid index
+    # TODO: Check available CP >= mob_cost
+    
+    # If valid:
+    # - Spawn monster for opposing team
+    # - Deduct CP
+    # - Update CP displays
+    # - Broadcast summon message
+    
+    Logger.debug("CPQ summon mob: index #{num}, team #{team}, map #{map_id}, character #{character_id}")
+    
+    # Send enable actions (success or failure)
+    send(client_pid, {:send_packet, Packets.enable_actions()})
+    :ok
+  end
+
+  # Tab 1: Use debuff skills
+  defp handle_carnival_tab(1, num, client_pid, character_id, char_state) do
+    map_id = char_state.map
+    team = char_state.carnival_party.team
+    available_cp = char_state.carnival_party.available_cp
+    
+    # TODO: Get skill list for map
+    # skills = Map.get_skill_ids(map_id)
+    
+    # TODO: Validate num is valid index
+    # TODO: Get skill from MapleCarnivalFactory
+    # TODO: Check available CP >= skill.cp_loss
+    
+    # If valid:
+    # - Apply debuff to opposing team
+    # - Deduct CP
+    # - Update CP displays
+    # - Broadcast skill usage
+    
+    Logger.debug("CPQ debuff: index #{num}, team #{team}, map #{map_id}, character #{character_id}")
+    
+    # Send enable actions (success or failure)
+    send(client_pid, {:send_packet, Packets.enable_actions()})
+    :ok
+  end
+
+  # Tab 2: Summon guardians
+  defp handle_carnival_tab(2, num, client_pid, character_id, char_state) do
+    map_id = char_state.map
+    team = char_state.carnival_party.team
+    available_cp = char_state.carnival_party.available_cp
+    
+    # TODO: Get guardian skill from MapleCarnivalFactory
+    # skill = MapleCarnivalFactory.getGuardian(num)
+    
+    # TODO: Check available CP >= skill.cp_loss
+    
+    # If valid:
+    # - Spawn carnival reactor (guardian)
+    # - Deduct CP
+    # - Update CP displays
+    # - Broadcast summon message
+    
+    Logger.debug("CPQ guardian: index #{num}, team #{team}, map #{map_id}, character #{character_id}")
+    
+    # Send enable actions (success or failure)
+    send(client_pid, {:send_packet, Packets.enable_actions()})
+    :ok
+  end
+
+  # Unknown tab
+  defp handle_carnival_tab(tab, num, client_pid, character_id, _char_state) do
+    Logger.warning("Unknown CPQ tab #{tab} (num #{num}) from character #{character_id}")
+    send(client_pid, {:send_packet, Packets.enable_actions()})
+    :ok
+  end
+
+  # ============================================================================
+  # CP Management
+  # ============================================================================
+
+  @doc """
+  Updates CP display for a player.
+  
+  party_cp: true = show party CP, false = show personal CP
+  """
+  def update_cp(client_pid, available_cp, total_cp, team, party_cp \\ false) do
+    # TODO: Build CP update packet
+    # packet = Packets.cp_update(available_cp, total_cp, team, party_cp)
+    # send(client_pid, {:send_packet, packet})
+    :ok
+  end
+
+  @doc """
+  Broadcasts player summoned message to map.
+  """
+  def broadcast_summon(map_id, player_name, tab, num) do
+    # TODO: Build summon broadcast packet
+    # packet = Packets.player_summoned(player_name, tab, num)
+    # Map.broadcast_packet(map_id, packet, exclude: player_id)
+    :ok
+  end
+
+  @doc """
+  Distributes CP to carnival party members.
+  """
+  def distribute_cp(carnival_party, cp_amount) do
+    # TODO: Add CP to party total
+    # TODO: Update each member's display
+    :ok
+  end
+end