item_scripts.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/>.
 */
 
/* ScriptData
SDName: Item_Scripts
SD%Complete: 100
SDComment: Items for a range of different items. See content below (in script)
SDCategory: Items
EndScriptData */
 
/* ContentData
item_flying_machine(i34060, i34061) Engineering crafted flying machines
item_gor_dreks_ointment(i30175) Protecting Our Own(q10488)
item_only_for_flight Items which should only useable while flying
EndContentData */
 
#include "ScriptMgr.h"
#include "GameObject.h"
#include "Item.h"
#include "Map.h"
#include "Player.h"
#include "ScriptedCreature.h"
#include "Spell.h"
#include "SpellMgr.h"
#include "TemporarySummon.h"
 
/*#####
# item_only_for_flight
#####*/
 
enum OnlyForFlight
{
 SPELL_ARCANE_CHARGES = 45072
};
 
class item_only_for_flight : public ItemScript
{
public:
 item_only_for_flight() : ItemScript("item_only_for_flight") { }
 
 bool OnUse(Player* player, Item* item, SpellCastTargets const& /*targets*/, ObjectGuid castId) override
 {
 uint32 itemId = item->GetEntry();
 bool disabled = false;
 
 //for special scripts
 switch (itemId)
 {
 case 24538:
 if (player->GetAreaId() != 3628)
 disabled = true;
 break;
 case 34489:
 if (player->GetZoneId() != 4080)
 disabled = true;
 break;
 case 34475:
 if (SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(SPELL_ARCANE_CHARGES, player->GetMap()->GetDifficultyID()))
 Spell::SendCastResult(player, spellInfo, {}, castId, SPELL_FAILED_NOT_ON_GROUND);
 break;
 }
 
 // allow use in flight only
 if (player->IsInFlight() && !disabled)
 return false;
 
 // error
 player->SendEquipError(EQUIP_ERR_CLIENT_LOCKED_OUT, item, nullptr);
 return true;
 }
};
 
/*#####
# item_gor_dreks_ointment
#####*/
 
class item_gor_dreks_ointment : public ItemScript
{
public:
 item_gor_dreks_ointment() : ItemScript("item_gor_dreks_ointment") { }
 
 bool OnUse(Player* player, Item* item, SpellCastTargets const& targets, ObjectGuid /*castId*/) override
 {
 if (targets.GetUnitTarget() && targets.GetUnitTarget()->GetTypeId() == TYPEID_UNIT &&
 targets.GetUnitTarget()->GetEntry() == 20748 && !targets.GetUnitTarget()->HasAura(32578))
 return false;
 
 player->SendEquipError(EQUIP_ERR_CLIENT_LOCKED_OUT, item, nullptr);
 return true;
 }
};
 
/*#####
# item_mysterious_egg
#####*/
 
class item_mysterious_egg : public ItemScript
{
public:
 item_mysterious_egg() : ItemScript("item_mysterious_egg") { }
 
 bool OnExpire(Player* player, ItemTemplate const* /*pItemProto*/) override
 {
 ItemPosCountVec dest;
 uint8 msg = player->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, 39883, 1); // Cracked Egg
 if (msg == EQUIP_ERR_OK)
 player->StoreNewItem(dest, 39883, true, GenerateItemRandomBonusListId(39883));
 
 return true;
 }
};
 
/*#####
# item_disgusting_jar
#####*/
 
class item_disgusting_jar : public ItemScript
{
public:
 item_disgusting_jar() : ItemScript("item_disgusting_jar") { }
 
 bool OnExpire(Player* player, ItemTemplate const* /*pItemProto*/) override
 {
 ItemPosCountVec dest;
 uint8 msg = player->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, 44718, 1); // Ripe Disgusting Jar
 if (msg == EQUIP_ERR_OK)
 player->StoreNewItem(dest, 44718, true, GenerateItemRandomBonusListId(44718));
 
 return true;
 }
};
 
/*#####
# item_petrov_cluster_bombs
#####*/
 
enum PetrovClusterBombs
{
 SPELL_PETROV_BOMB = 42406,
 AREA_ID_SHATTERED_STRAITS = 4064,
 ZONE_ID_HOWLING = 495
};
 
class item_petrov_cluster_bombs : public ItemScript
{
public:
 item_petrov_cluster_bombs() : ItemScript("item_petrov_cluster_bombs") { }
 
 bool OnUse(Player* player, Item* /*item*/, SpellCastTargets const& /*targets*/, ObjectGuid castId) override
 {
 if (player->GetZoneId() != ZONE_ID_HOWLING)
 return false;
 
 if (!player->GetTransport() || player->GetAreaId() != AREA_ID_SHATTERED_STRAITS)
 {
 if (SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(SPELL_PETROV_BOMB, DIFFICULTY_NONE))
 Spell::SendCastResult(player, spellInfo, {}, castId, SPELL_FAILED_NOT_HERE);
 
 return true;
 }
 
 return false;
 }
};
 
enum CapturedFrog
{
 QUEST_THE_PERFECT_SPIES = 25444,
 NPC_VANIRAS_SENTRY_TOTEM = 40187
};
 
class item_captured_frog : public ItemScript
{
public:
 item_captured_frog() : ItemScript("item_captured_frog") { }
 
 bool OnUse(Player* player, Item* item, SpellCastTargets const& /*targets*/, ObjectGuid /*castId*/) override
 {
 if (player->GetQuestStatus(QUEST_THE_PERFECT_SPIES) == QUEST_STATUS_INCOMPLETE)
 {
 if (player->FindNearestCreature(NPC_VANIRAS_SENTRY_TOTEM, 10.0f))
 return false;
 else
 player->SendEquipError(EQUIP_ERR_OUT_OF_RANGE, item, nullptr);
 }
 else
 player->SendEquipError(EQUIP_ERR_CLIENT_LOCKED_OUT, item, nullptr);
 return true;
 }
};
 
// Only used currently for
// 19169: Nightfall
class item_generic_limit_chance_above_60 : public ItemScript
{
 public:
 item_generic_limit_chance_above_60() : ItemScript("item_generic_limit_chance_above_60") { }
 
 bool OnCastItemCombatSpell(Player* player, Unit* victim, SpellInfo const* /*spellInfo*/, Item* /*item*/) override
 {
 // spell proc chance gets severely reduced on victims > 60 (formula unknown)
 if (victim->GetLevel() > 60)
 {
 // gives ~0.1% proc chance at lvl 70
 float const lvlPenaltyFactor = 9.93f;
 float const failureChance = (victim->GetLevelForTarget(player) - 60) * lvlPenaltyFactor;
 
 // base ppm chance was already rolled, only roll success chance
 return !roll_chance_f(failureChance);
 }
 
 return true;
 }
};
 
void AddSC_item_scripts()
{
 new item_only_for_flight();
 new item_gor_dreks_ointment();
 new item_mysterious_egg();
 new item_disgusting_jar();
 new item_petrov_cluster_bombs();
 new item_captured_frog();
 new item_generic_limit_chance_above_60();
}