cs_pet.cpp

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "ScriptMgr.h"
#include "Chat.h"
#include "ChatCommand.h"
#include "Language.h"
#include "Map.h"
#include "Pet.h"
#include "Player.h"
#include "RBAC.h"
#include "SpellInfo.h"
#include "SpellMgr.h"
#include "WorldSession.h"
 
using namespace Trinity::ChatCommands;
 
inline Pet* GetSelectedPlayerPetOrOwn(ChatHandler* handler)
{
 if (Unit* target = handler->getSelectedUnit())
 {
 if (target->GetTypeId() == TYPEID_PLAYER)
 return target->ToPlayer()->GetPet();
 if (target->IsPet())
 return target->ToPet();
 return nullptr;
 }
 Player* player = handler->GetSession()->GetPlayer();
 return player ? player->GetPet() : nullptr;
}
 
class pet_commandscript : public CommandScript
{
public:
 pet_commandscript() : CommandScript("pet_commandscript") { }
 
 ChatCommandTable GetCommands() const override
 {
 static ChatCommandTable petCommandTable =
 {
 { "create", HandlePetCreateCommand, rbac::RBAC_PERM_COMMAND_PET_CREATE, Console::No },
 { "learn", HandlePetLearnCommand, rbac::RBAC_PERM_COMMAND_PET_LEARN, Console::No },
 { "unlearn", HandlePetUnlearnCommand, rbac::RBAC_PERM_COMMAND_PET_UNLEARN, Console::No },
 { "level", HandlePetLevelCommand, rbac::RBAC_PERM_COMMAND_PET_LEVEL, Console::No },
 };
 
 static ChatCommandTable commandTable =
 {
 { "pet", petCommandTable },
 };
 return commandTable;
 }
 static bool HandlePetCreateCommand(ChatHandler* handler)
 {
 Player* player = handler->GetSession()->GetPlayer();
 Creature* creatureTarget = handler->getSelectedCreature();
 
 if (!creatureTarget || creatureTarget->IsPet() || creatureTarget->GetTypeId() == TYPEID_PLAYER)
 {
 handler->PSendSysMessage(LANG_SELECT_CREATURE);
 handler->SetSentErrorMessage(true);
 return false;
 }
 
 CreatureTemplate const* creatureTemplate = creatureTarget->GetCreatureTemplate();
 // Creatures with family CREATURE_FAMILY_NONE crashes the server
 if (creatureTemplate->family == CREATURE_FAMILY_NONE)
 {
 handler->PSendSysMessage("This creature cannot be tamed. Family id: 0 (CREATURE_FAMILY_NONE).");
 handler->SetSentErrorMessage(true);
 return false;
 }
 
 if (!player->GetPetGUID().IsEmpty())
 {
 handler->PSendSysMessage("You already have a pet");
 handler->SetSentErrorMessage(true);
 return false;
 }
 
 // Everything looks OK, create new pet
 Pet* pet = player->CreateTamedPetFrom(creatureTarget);
 
 // "kill" original creature
 creatureTarget->DespawnOrUnsummon();
 
 // prepare visual effect for levelup
 pet->SetLevel(player->GetLevel() - 1);
 
 // add to world
 pet->GetMap()->AddToMap(pet->ToCreature());
 
 // visual effect for levelup
 pet->SetLevel(player->GetLevel());
 
 // caster have pet now
 player->SetMinion(pet, true);
 
 pet->SavePetToDB(PET_SAVE_AS_CURRENT);
 player->PetSpellInitialize();
 
 return true;
 }
 
 static bool HandlePetLearnCommand(ChatHandler* handler, SpellInfo const* spellInfo)
 {
 Pet* pet = GetSelectedPlayerPetOrOwn(handler);
 
 if (!pet)
 {
 handler->SendSysMessage(LANG_SELECT_PLAYER_OR_PET);
 handler->SetSentErrorMessage(true);
 return false;
 }
 
 uint32 spellId = spellInfo->Id;
 
 // Check if pet already has it
 if (pet->HasSpell(spellId))
 {
 handler->PSendSysMessage("Pet already has spell: %u", spellId);
 handler->SetSentErrorMessage(true);
 return false;
 }
 
 // Check if spell is valid
 if (!SpellMgr::IsSpellValid(spellInfo))
 {
 handler->PSendSysMessage(LANG_COMMAND_SPELL_BROKEN, spellId);
 handler->SetSentErrorMessage(true);
 return false;
 }
 
 pet->learnSpell(spellId);
 
 handler->PSendSysMessage("Pet has learned spell %u", spellId);
 return true;
 }
 
 static bool HandlePetUnlearnCommand(ChatHandler* handler, SpellInfo const* spellInfo)
 {
 Pet* pet = GetSelectedPlayerPetOrOwn(handler);
 if (!pet)
 {
 handler->SendSysMessage(LANG_SELECT_PLAYER_OR_PET);
 handler->SetSentErrorMessage(true);
 return false;
 }
 
 uint32 spellId = spellInfo->Id;
 
 if (pet->HasSpell(spellId))
 pet->removeSpell(spellId, false);
 else
 handler->PSendSysMessage("Pet doesn't have that spell");
 
 return true;
 }
 
 static bool HandlePetLevelCommand(ChatHandler* handler, Optional<int32> level)
 {
 Pet* pet = GetSelectedPlayerPetOrOwn(handler);
 Player* owner = pet ? pet->GetOwner() : nullptr;
 if (!pet || !owner)
 {
 handler->SendSysMessage(LANG_SELECT_PLAYER_OR_PET);
 handler->SetSentErrorMessage(true);
 return false;
 }
 
 if (!level)
 level = owner->GetLevel() - pet->GetLevel();
 
 if (level == 0 || level < -STRONG_MAX_LEVEL || level > STRONG_MAX_LEVEL)
 {
 handler->SendSysMessage(LANG_BAD_VALUE);
 handler->SetSentErrorMessage(true);
 return false;
 }
 
 int32 newLevel = pet->GetLevel() + *level;
 if (newLevel < 1)
 newLevel = 1;
 else if (newLevel > owner->GetLevel())
 newLevel = owner->GetLevel();
 
 pet->GivePetLevel(newLevel);
 return true;
 }
};
 
void AddSC_pet_commandscript()
{
 new pet_commandscript();
}