Feat/enter world ground work

CMakeLists.txt

@@ -102,6 +102,11 @@ add_executable(L2GameServer
     src/game/server/game_server.cpp
     src/game/server/character_database_manager.cpp
 
+    # Game entities
+    src/game/entities/world_object.cpp
+    src/game/entities/creature.cpp
+    src/game/entities/player.cpp
+
     # Game-specific networking
     src/game/network/game_connection_manager.cpp
     src/game/network/game_client_connection.cpp
@@ -116,18 +121,49 @@ add_executable(L2GameServer
     src/game/packets/requests/create_char_request_packet.cpp
     src/game/packets/requests/request_game_start.cpp
     src/game/packets/requests/logout_packet.cpp
-    src/game/packets/requests/delete_char_packet.cpp
+    src/game/packets/requests/request_delete_character_packet.cpp
     src/game/packets/requests/restore_char_packet.cpp
     src/game/packets/requests/select_char_packet.cpp
     src/game/packets/requests/enter_world_packet.cpp
     src/game/packets/requests/no_op_packet.cpp
+    src/game/packets/requests/request_skill_cool_time.cpp
+    src/game/packets/requests/request_answer_join_pledge.cpp
+    src/game/packets/requests/request_item_list.cpp
+    src/game/packets/requests/request_show_mini_map.cpp
+    src/game/packets/requests/extended/request_manor_list.cpp
 
     # Game response packets
     src/game/packets/responses/ping_response.cpp
     src/game/packets/responses/version_check_response.cpp
     src/game/packets/responses/character_selection_info.cpp
     src/game/packets/responses/new_character_success.cpp
     src/game/packets/responses/character_create_success.cpp
+    src/game/packets/responses/character_selected.cpp
+    src/game/packets/responses/user_info.cpp
+    src/game/packets/responses/validate_location.cpp
+    src/game/packets/responses/item_list.cpp
+    src/game/packets/responses/skill_cool_time.cpp
+    src/game/packets/responses/shortcut_init.cpp
+    src/game/packets/responses/etc_status_update.cpp
+    src/game/packets/responses/ex_storage_max_count.cpp
+    src/game/packets/responses/quest_list.cpp
+    # Phase 3: Social/Clan packets
+    src/game/packets/responses/henna_info.cpp
+    src/game/packets/responses/pledge_skill_list.cpp
+    src/game/packets/responses/friend_list.cpp
+    src/game/packets/responses/pledge_show_member_list_all.cpp
+    src/game/packets/responses/pledge_status_changed.cpp
+    src/game/packets/responses/ask_join_pledge.cpp
+    src/game/packets/responses/npc_html_message.cpp
+    src/game/packets/responses/ex_send_manor_list.cpp
+    src/game/packets/responses/skill_list.cpp
+    src/game/packets/responses/status_update.cpp
+    src/game/packets/responses/char_info.cpp
+    # Phase 4: Welcome/System packets
+    src/game/packets/responses/system_message.cpp
+    src/game/packets/responses/ex_show_screen_message.cpp
+    src/game/packets/responses/action_failed.cpp
+    src/game/packets/responses/show_mini_map.cpp
 )
 
 target_link_libraries(L2GameServer L2Core)

src/core/packets/packet.cpp

@@ -13,10 +13,31 @@ std::vector<uint8_t> SendablePacket::serialize(bool withPadding)
 std::vector<uint8_t> SendablePacket::serialize(bool withPadding, size_t alignment)
 {
     SendablePacketBuffer buffer;
+
+    // Write opcode automatically (handles both standard and extended packets)
+    writeOpcode(buffer);
+
+    // Write packet data
     write(buffer);
+
     return buffer.getData(withPadding, alignment);
 }
 
+// Helper method to write opcode (handles extended packets automatically)
+void SendablePacket::writeOpcode(SendablePacketBuffer &buffer) const
+{
+    uint16_t extendedPacketId = getExtendedPacketId();
+
+    if (extendedPacketId != 0) {
+        // Extended packet: write 0xFE prefix + 16-bit sub-opcode
+        buffer.writeUInt8(0xFE);
+        buffer.writeUInt16(extendedPacketId);
+    } else {
+        // Standard packet: write 8-bit opcode
+        buffer.writeUInt8(getPacketId());
+    }
+}
+
 // ReadablePacket factory method (basic implementation)
 std::unique_ptr<ReadablePacket> ReadablePacket::createFromData(const std::vector<uint8_t> &data)
 {

src/core/packets/packet.hpp

@@ -56,11 +56,19 @@ class SendablePacket
 
     // Packet identification
     virtual uint8_t getPacketId() const = 0;
-    virtual std::optional<uint16_t> getExPacketId() const = 0;
+
+    // Extended packet identification (returns 0 for standard packets)
+    virtual uint16_t getExtendedPacketId() const { return 0; }
+
+    // Legacy method for backward compatibility (deprecated - use getExtendedPacketId instead)
+    virtual std::optional<uint16_t> getExPacketId() const { return std::nullopt; }
 
     // Write packet data to buffer
     virtual void write(SendablePacketBuffer &buffer) = 0;
 
+    // Helper method to write opcode (handles extended packets automatically)
+    void writeOpcode(SendablePacketBuffer &buffer) const;
+
     // Get serialized packet data
     virtual std::vector<uint8_t> serialize(bool withPadding = false);
     virtual std::vector<uint8_t> serialize(bool withPadding, size_t alignment);

src/game/entities/creature.cpp

@@ -0,0 +1,22 @@
+#include "creature.hpp"
+
+Creature::Creature(uint32_t objectId, const std::string& name)
+    : WorldObject(objectId)
+    , name_(name)
+    , level_(1)
+    , exp_(0)
+    , sp_(0)
+    , currentHp_(100.0)
+    , maxHp_(100.0)
+    , currentMp_(100.0)
+    , maxMp_(100.0)
+    , currentCp_(0.0)
+    , maxCp_(0.0)
+    , str_(10)
+    , dex_(10)
+    , con_(10)
+    , int_(10)
+    , wit_(10)
+    , men_(10)
+{
+} 

src/game/entities/creature.hpp

@@ -0,0 +1,75 @@
+#pragma once
+
+#include "world_object.hpp"
+#include <cstdint>
+#include <string>
+
+// Base class for all living entities (players, NPCs, monsters)
+class Creature : public WorldObject
+{
+protected:
+    std::string name_;
+    uint32_t level_;
+    uint64_t exp_;
+    uint64_t sp_;
+
+    // Stats
+    double currentHp_;
+    double maxHp_;
+    double currentMp_;
+    double maxMp_;
+    double currentCp_;
+    double maxCp_;
+
+    // Base stats
+    uint32_t str_;
+    uint32_t dex_;
+    uint32_t con_;
+    uint32_t int_;
+    uint32_t wit_;
+    uint32_t men_;
+
+public:
+    Creature(uint32_t objectId, const std::string& name);
+    virtual ~Creature() = default;
+
+    // Getters
+    const std::string& getName() const { return name_; }
+    uint32_t getLevel() const { return level_; }
+    uint64_t getExp() const { return exp_; }
+    uint64_t getSp() const { return sp_; }
+
+    double getCurrentHp() const { return currentHp_; }
+    double getMaxHp() const { return maxHp_; }
+    double getCurrentMp() const { return currentMp_; }
+    double getMaxMp() const { return maxMp_; }
+    double getCurrentCp() const { return currentCp_; }
+    double getMaxCp() const { return maxCp_; }
+
+    uint32_t getStr() const { return str_; }
+    uint32_t getDex() const { return dex_; }
+    uint32_t getCon() const { return con_; }
+    uint32_t getInt() const { return int_; }
+    uint32_t getWit() const { return wit_; }
+    uint32_t getMen() const { return men_; }
+
+    // Setters
+    void setName(const std::string& name) { name_ = name; }
+    void setLevel(uint32_t level) { level_ = level; }
+    void setExp(uint64_t exp) { exp_ = exp; }
+    void setSp(uint64_t sp) { sp_ = sp; }
+
+    void setCurrentHp(double hp) { currentHp_ = hp; }
+    void setMaxHp(double hp) { maxHp_ = hp; }
+    void setCurrentMp(double mp) { currentMp_ = mp; }
+    void setMaxMp(double mp) { maxMp_ = mp; }
+    void setCurrentCp(double cp) { currentCp_ = cp; }
+    void setMaxCp(double cp) { maxCp_ = cp; }
+
+    void setStr(uint32_t str) { str_ = str; }
+    void setDex(uint32_t dex) { dex_ = dex; }
+    void setCon(uint32_t con) { con_ = con; }
+    void setInt(uint32_t int_val) { int_ = int_val; }
+    void setWit(uint32_t wit) { wit_ = wit; }
+    void setMen(uint32_t men) { men_ = men; }
+};