feat(Core/CommandScript): New GM command "player learn" (#2487)

src/server/scripts/Commands/cs_player.cpp

@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2016+ AzerothCore <www.azerothcore.org>, released under GNU AGPL v3 license: https://github.com/azerothcore/azerothcore-wotlk/blob/master/LICENSE-AGPL3
+*/
+
+#include "Chat.h"
+#include "ScriptMgr.h"
+#include "Language.h"
+#include "Player.h"
+#include "PlayerCommand.h"
+
+class player_commandscript : public CommandScript, public PlayerCommand
+{
+public:
+    player_commandscript() : CommandScript("player_commandscript") { }
+
+    std::vector<ChatCommand> GetCommands() const override
+    {
+        static std::vector<ChatCommand> playerCommandTable =
+        {
+            { "learn",               SEC_GAMEMASTER,  true, &HandlePlayerLearnCommand,           "" },
+            { "unlearn",             SEC_GAMEMASTER,  true, &HandlePlayerUnLearnCommand,         "" }
+        };
+
+        static std::vector<ChatCommand> commandTable =
+        {
+            { "player",              SEC_GAMEMASTER,  true, nullptr,                             "", playerCommandTable }
+        };
+        return commandTable;
+    }
+
+    static bool HandlePlayerLearnCommand(ChatHandler* handler, char const* args)
+    {
+        if (!*args)
+            return false;
+
+        char* playerName = strtok((char*)args, " ");
+        char* spellid = strtok(nullptr, " ");
+        char const* all = strtok(nullptr, " ");
+        Player* targetPlayer = FindPlayer(handler, playerName);
+        if (!spellid || !targetPlayer)
+            return false;
+
+        uint32 spell = handler->extractSpellIdFromLink(spellid);
+        if (!spell)
+            return false;
+
+        return Learn(handler, targetPlayer, spell, all);
+    }
+
+    static bool HandlePlayerUnLearnCommand(ChatHandler* handler, char const* args)
+    {
+        if (!*args)
+            return false;
+
+        char* playerName = strtok((char*)args, " ");
+        char* spellid = strtok(nullptr, " ");
+        char const* all = strtok(nullptr, " ");
+        Player* targetPlayer = FindPlayer(handler, playerName);
+        if (!spellid || !targetPlayer)
+            return false;
+
+        uint32 spell = handler->extractSpellIdFromLink(spellid);
+        if (!spell)
+            return false;
+
+        return UnLearn(handler, targetPlayer, spell, all);
+    }
+
+private:
+    static Player* FindPlayer(ChatHandler* handler, char* playerName)
+    {
+        if (!playerName)
+            return nullptr;
+
+        Player* targetPlayer;
+        if (!handler->extractPlayerTarget(playerName, &targetPlayer))
+            return nullptr;
+
+        if (!targetPlayer)
+        {
+            handler->SendSysMessage(LANG_PLAYER_NOT_FOUND);
+            handler->SetSentErrorMessage(true);
+            return nullptr;
+        }
+
+        return targetPlayer;
+    }
+};
+
+void AddSC_player_commandscript()
+{
+    new player_commandscript();
+}