core: add clientless player GM test adapter

src/server/scripts/Custom/viano_bot_commands.cpp

@@ -11,6 +11,7 @@
 
 #include "ScriptMgr.h"
 #include "Chat.h"
+#include "DatabaseEnv.h"
 #include "Creature.h"
 #include "Group.h"
 #include "ObjectAccessor.h"
@@ -20,7 +21,9 @@
 #include "RBAC.h"
 #include "TemporarySummon.h"
 #include "Unit.h"
+#include "World.h"
 
+#include <cstdlib>
 #include <string>
 
 namespace VianoBotCommands
@@ -571,6 +574,109 @@ namespace VianoBotCommands
         return true;
     }
 
+    // CLIENTLESS_PLAYER_CORE_C4_TEST_ADAPTER
+    // Temporary GM-only test surface for the generic clientless Player lifecycle.
+    // Final production GM commands will use a different command contract.
+    static bool ParseCharacterGuid(ChatHandler* handler, char const* args, uint32& characterGuid)
+    {
+        if (!args)
+        {
+            handler->SendSysMessage("Usage: .clientless login <characterGuid> or .clientless logout <characterGuid>");
+            return false;
+        }
+
+        while (*args == ' ' || *args == '\t')
+            ++args;
+
+        if (!*args)
+        {
+            handler->SendSysMessage("Usage: .clientless login <characterGuid> or .clientless logout <characterGuid>");
+            return false;
+        }
+
+        char* end = nullptr;
+        unsigned long value = std::strtoul(args, &end, 10);
+
+        while (end && (*end == ' ' || *end == '\t'))
+            ++end;
+
+        if (!value || !end || *end != '\0' || value > 0xFFFFFFFFul)
+        {
+            handler->SendSysMessage("characterGuid must be a non-zero numeric low GUID.");
+            return false;
+        }
+
+        characterGuid = uint32(value);
+        return true;
+    }
+
+    static bool HandleClientlessLogin(ChatHandler* handler, char const* args)
+    {
+        uint32 characterGuid = 0;
+        if (!ParseCharacterGuid(handler, args, characterGuid))
+            return true;
+
+        QueryResult result = CharacterDatabase.PQuery(
+            "SELECT account, name FROM characters WHERE guid = %u",
+            characterGuid);
+
+        if (!result)
+        {
+            handler->PSendSysMessage(
+                "No character found for GUID %u.",
+                characterGuid);
+            return true;
+        }
+
+        Field* fields = result->Fetch();
+        uint32 accountId = fields[0].GetUInt32();
+        std::string characterName = fields[1].GetString();
+
+        if (!sWorld->CreateClientlessPlayerSession(accountId, characterGuid))
+        {
+            handler->PSendSysMessage(
+                "Clientless login failed for '%s' (GUID %u, account %u). Check worldserver log for the rejection reason.",
+                characterName.c_str(), characterGuid, accountId);
+            return true;
+        }
+
+        handler->PSendSysMessage(
+            "Clientless login started for '%s' (GUID %u, account %u).",
+            characterName.c_str(), characterGuid, accountId);
+        return true;
+    }
+
+    static bool HandleClientlessLogout(ChatHandler* handler, char const* args)
+    {
+        uint32 characterGuid = 0;
+        if (!ParseCharacterGuid(handler, args, characterGuid))
+            return true;
+
+        WorldSession* session = sWorld->FindClientlessSession(characterGuid);
+        if (!session)
+        {
+            handler->PSendSysMessage(
+                "No clientless session is registered for character GUID %u.",
+                characterGuid);
+            return true;
+        }
+
+        uint32 accountId = session->GetAccountId();
+
+        if (!sWorld->RemoveClientlessSession(characterGuid))
+        {
+            handler->PSendSysMessage(
+                "Clientless logout failed for character GUID %u.",
+                characterGuid);
+            return true;
+        }
+
+        handler->PSendSysMessage(
+            "Clientless session removed for character GUID %u (account %u).",
+            characterGuid, accountId);
+        return true;
+    }
+
     class VianoBotCommandScript : public CommandScript
     {
     public:
@@ -594,9 +700,16 @@ namespace VianoBotCommands
                 { "bot", rbac::RBAC_PERM_COMMAND_GM, false, nullptr, "", botCommands },
             };
 
+            static std::vector<ChatCommand> clientlessCommands =
+            {
+                { "login",  rbac::RBAC_PERM_COMMAND_GM, false, &HandleClientlessLogin,  "" },
+                { "logout", rbac::RBAC_PERM_COMMAND_GM, false, &HandleClientlessLogout, "" },
+            };
+
             static std::vector<ChatCommand> commandTable =
             {
                 { "viano",      rbac::RBAC_PERM_COMMAND_GM, false, nullptr, "", vianoCommands },
+                { "clientless", rbac::RBAC_PERM_COMMAND_GM, false, nullptr, "", clientlessCommands },
             };
 
             return commandTable;