zone_wintergrasp.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 "Battlefield.h"
#include "BattlefieldMgr.h"
#include "Battlefield/BattlefieldWG.h"
#include "DB2Stores.h"
#include "GameObject.h"
#include "GameObjectAI.h"
#include "GameTime.h"
#include "ObjectMgr.h"
#include "Player.h"
#include "ScriptedCreature.h"
#include "ScriptedGossip.h"
#include "ScriptSystem.h"
#include "SpellAuras.h"
#include "SpellAuraEffects.h"
#include "SpellScript.h"
#include "Vehicle.h"
#include "WorldSession.h"
 
#define GOSSIP_HELLO_DEMO1  "Build catapult."
#define GOSSIP_HELLO_DEMO2  "Build demolisher."
#define GOSSIP_HELLO_DEMO3  "Build siege engine."
#define GOSSIP_HELLO_DEMO4  "I cannot build more!"
 
enum WGqueuenpctext
{
    WG_NPCQUEUE_TEXT_H_NOWAR            = 14775,
    WG_NPCQUEUE_TEXT_H_QUEUE            = 14790,
    WG_NPCQUEUE_TEXT_H_WAR              = 14777,
    WG_NPCQUEUE_TEXT_A_NOWAR            = 14782,
    WG_NPCQUEUE_TEXT_A_QUEUE            = 14791,
    WG_NPCQUEUE_TEXT_A_WAR              = 14781,
    WG_NPCQUEUE_TEXTOPTION_JOIN         = 20077,
};
 
enum Spells
{
    // Demolisher engineers spells
    SPELL_BUILD_SIEGE_VEHICLE_FORCE_HORDE     = 61409,
    SPELL_BUILD_SIEGE_VEHICLE_FORCE_ALLIANCE  = 56662,
    SPELL_BUILD_CATAPULT_FORCE                = 56664,
    SPELL_BUILD_DEMOLISHER_FORCE              = 56659,
    SPELL_ACTIVATE_CONTROL_ARMS               = 49899,
    SPELL_RIDE_WG_VEHICLE                     = 60968,
 
    SPELL_VEHICLE_TELEPORT                    = 49759,
};
 
enum CreatureIds
{
    NPC_GOBLIN_MECHANIC                             = 30400,
    NPC_GNOMISH_ENGINEER                            = 30499,
 
    NPC_WINTERGRASP_CONTROL_ARMS                    = 27852,
 
    NPC_WORLD_TRIGGER_LARGE_AOI_NOT_IMMUNE_PC_NPC   = 23472,
};
 
enum QuestIds
{
    QUEST_BONES_AND_ARROWS_HORDE_ATT              = 13193,
    QUEST_JINXING_THE_WALLS_HORDE_ATT             = 13202,
    QUEST_SLAY_THEM_ALL_HORDE_ATT                 = 13180,
    QUEST_FUELING_THE_DEMOLISHERS_HORDE_ATT       = 13200,
    QUEST_HEALING_WITH_ROSES_HORDE_ATT            = 13201,
    QUEST_DEFEND_THE_SIEGE_HORDE_ATT              = 13223,
 
    QUEST_BONES_AND_ARROWS_HORDE_DEF              = 13199,
    QUEST_WARDING_THE_WALLS_HORDE_DEF             = 13192,
    QUEST_SLAY_THEM_ALL_HORDE_DEF                 = 13178,
    QUEST_FUELING_THE_DEMOLISHERS_HORDE_DEF       = 13191,
    QUEST_HEALING_WITH_ROSES_HORDE_DEF            = 13194,
    QUEST_TOPPLING_THE_TOWERS_HORDE_DEF           = 13539,
    QUEST_STOP_THE_SIEGE_HORDE_DEF                = 13185,
 
    QUEST_BONES_AND_ARROWS_ALLIANCE_ATT           = 13196,
    QUEST_WARDING_THE_WARRIORS_ALLIANCE_ATT       = 13198,
    QUEST_NO_MERCY_FOR_THE_MERCILESS_ALLIANCE_ATT = 13179,
    QUEST_DEFEND_THE_SIEGE_ALLIANCE_ATT           = 13222,
    QUEST_A_RARE_HERB_ALLIANCE_ATT                = 13195,
 
    QUEST_BONES_AND_ARROWS_ALLIANCE_DEF           = 13154,
    QUEST_WARDING_THE_WARRIORS_ALLIANCE_DEF       = 13153,
    QUEST_NO_MERCY_FOR_THE_MERCILESS_ALLIANCE_DEF = 13177,
    QUEST_SHOUTHERN_SABOTAGE_ALLIANCE_DEF         = 13538,
    QUEST_STOP_THE_SIEGE_ALLIANCE_DEF             = 13186,
    QUEST_A_RARE_HERB_ALLIANCE_DEF                = 13156,
};
 
uint8 const MAX_WINTERGRASP_VEHICLES = 4;
 
uint32 const vehiclesList[MAX_WINTERGRASP_VEHICLES] =
{
    NPC_WINTERGRASP_CATAPULT,
    NPC_WINTERGRASP_DEMOLISHER,
    NPC_WINTERGRASP_SIEGE_ENGINE_ALLIANCE,
    NPC_WINTERGRASP_SIEGE_ENGINE_HORDE
};
 
struct npc_wg_demolisher_engineer : public ScriptedAI
{
    npc_wg_demolisher_engineer(Creature* creature) : ScriptedAI(creature) { }
 
    bool OnGossipHello(Player* player) override
    {
        if (me->IsQuestGiver())
            player->PrepareQuestMenu(me->GetGUID());
 
        if (CanBuild())
        {
            if (player->HasAura(SPELL_CORPORAL))
                AddGossipItemFor(player, GossipOptionNpc::None, GOSSIP_HELLO_DEMO1, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF);
            else if (player->HasAura(SPELL_LIEUTENANT))
            {
                AddGossipItemFor(player, GossipOptionNpc::None, GOSSIP_HELLO_DEMO1, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF);
                AddGossipItemFor(player, GossipOptionNpc::None, GOSSIP_HELLO_DEMO2, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + 1);
                AddGossipItemFor(player, GossipOptionNpc::None, GOSSIP_HELLO_DEMO3, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + 2);
            }
        }
        else
            AddGossipItemFor(player, GossipOptionNpc::None, GOSSIP_HELLO_DEMO4, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + 9);
 
        SendGossipMenuFor(player, player->GetGossipTextId(me), me->GetGUID());
        return true;
    }
 
    bool OnGossipSelect(Player* player, uint32 /*menuId*/, uint32 gossipListId) override
    {
        uint32 const action = player->PlayerTalkClass->GetGossipOptionAction(gossipListId);
        CloseGossipMenuFor(player);
 
        if (CanBuild())
        {
            switch (action - GOSSIP_ACTION_INFO_DEF)
            {
                case 0:
                    DoCast(player, SPELL_BUILD_CATAPULT_FORCE, true);
                    break;
                case 1:
                    DoCast(player, SPELL_BUILD_DEMOLISHER_FORCE, true);
                    break;
                case 2:
                    DoCast(player, player->GetTeamId() == TEAM_ALLIANCE ? SPELL_BUILD_SIEGE_VEHICLE_FORCE_ALLIANCE : SPELL_BUILD_SIEGE_VEHICLE_FORCE_HORDE, true);
                    break;
            }
            if (Creature* controlArms = me->FindNearestCreature(NPC_WINTERGRASP_CONTROL_ARMS, 30.0f, true))
                DoCast(controlArms, SPELL_ACTIVATE_CONTROL_ARMS, true);
        }
        return true;
    }
 
private:
    bool CanBuild() const
    {
        Battlefield* wintergrasp = sBattlefieldMgr->GetBattlefieldByBattleId(me->GetMap(), BATTLEFIELD_BATTLEID_WG);
        if (!wintergrasp)
            return false;
 
        switch (me->GetEntry())
        {
            case NPC_GOBLIN_MECHANIC:
                return (wintergrasp->GetData(BATTLEFIELD_WG_DATA_MAX_VEHICLE_H) > wintergrasp->GetData(BATTLEFIELD_WG_DATA_VEHICLE_H));
            case NPC_GNOMISH_ENGINEER:
                return (wintergrasp->GetData(BATTLEFIELD_WG_DATA_MAX_VEHICLE_A) > wintergrasp->GetData(BATTLEFIELD_WG_DATA_VEHICLE_A));
            default:
                return false;
        }
    }
};
 
struct npc_wg_spirit_guide : public ScriptedAI
{
    npc_wg_spirit_guide(Creature* creature) : ScriptedAI(creature) { }
 
    bool OnGossipHello(Player* player) override
    {
        if (me->IsQuestGiver())
            player->PrepareQuestMenu(me->GetGUID());
 
        Battlefield* wintergrasp = sBattlefieldMgr->GetBattlefieldByBattleId(me->GetMap(), BATTLEFIELD_BATTLEID_WG);
        if (!wintergrasp)
            return true;
 
        GraveyardVect const& graveyard = wintergrasp->GetGraveyardVector();
        for (uint8 i = 0; i < graveyard.size(); i++)
            if (graveyard[i]->GetControlTeamId() == player->GetTeamId())
                AddGossipItemFor(player, GossipOptionNpc::None, player->GetSession()->GetTrinityString(((BfGraveyardWG*)graveyard[i])->GetTextId()), GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + i);
 
        SendGossipMenuFor(player, player->GetGossipTextId(me), me->GetGUID());
        return true;
    }
 
    bool OnGossipSelect(Player* player, uint32 /*menuId*/, uint32 gossipListId) override
    {
        uint32 const action = player->PlayerTalkClass->GetGossipOptionAction(gossipListId);
        CloseGossipMenuFor(player);
 
        Battlefield* wintergrasp = sBattlefieldMgr->GetBattlefieldByBattleId(me->GetMap(), BATTLEFIELD_BATTLEID_WG);
        if (wintergrasp)
        {
            GraveyardVect const& gy = wintergrasp->GetGraveyardVector();
            for (uint8 i = 0; i < gy.size(); i++)
                if (action - GOSSIP_ACTION_INFO_DEF == i && gy[i]->GetControlTeamId() == player->GetTeamId())
                    if (WorldSafeLocsEntry const* safeLoc = sObjectMgr->GetWorldSafeLoc(gy[i]->GetGraveyardId()))
                        player->TeleportTo(safeLoc->Loc);
        }
        return true;
    }
};
 
enum WGQueue
{
    SPELL_FROST_ARMOR                               = 12544
};
 
struct npc_wg_queue : public ScriptedAI
{
    npc_wg_queue(Creature* creature) : ScriptedAI(creature)
    {
        FrostArmor_Timer = 0;
    }
 
    uint32 FrostArmor_Timer;
 
    void Reset() override
    {
        FrostArmor_Timer = 0;
    }
 
    void JustEngagedWith(Unit* /*who*/) override { }
 
    void UpdateAI(uint32 diff) override
    {
        if (FrostArmor_Timer <= diff)
        {
            DoCast(me, SPELL_FROST_ARMOR);
            FrostArmor_Timer = 180000;
        }
        else FrostArmor_Timer -= diff;
    }
 
    bool OnGossipHello(Player* player) override
    {
        if (me->IsQuestGiver())
            player->PrepareQuestMenu(me->GetGUID());
 
        Battlefield* wintergrasp = sBattlefieldMgr->GetBattlefieldByBattleId(me->GetMap(), BATTLEFIELD_BATTLEID_WG);
        if (!wintergrasp)
            return true;
 
        if (wintergrasp->IsWarTime())
        {
            AddGossipItemFor(player, GossipOptionNpc::None, player->GetSession()->GetTrinityString(WG_NPCQUEUE_TEXTOPTION_JOIN), GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF);
            SendGossipMenuFor(player, wintergrasp->GetDefenderTeam() ? WG_NPCQUEUE_TEXT_H_WAR : WG_NPCQUEUE_TEXT_A_WAR, me->GetGUID());
        }
        else
        {
            uint32 timer = wintergrasp->GetTimer() / 1000;
            player->SendUpdateWorldState(4354, GameTime::GetGameTime() + timer);
            if (timer < 15 * MINUTE)
            {
                AddGossipItemFor(player, GossipOptionNpc::None, player->GetSession()->GetTrinityString(WG_NPCQUEUE_TEXTOPTION_JOIN), GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF);
                SendGossipMenuFor(player, wintergrasp->GetDefenderTeam() ? WG_NPCQUEUE_TEXT_H_QUEUE : WG_NPCQUEUE_TEXT_A_QUEUE, me->GetGUID());
            }
            else
                SendGossipMenuFor(player, wintergrasp->GetDefenderTeam() ? WG_NPCQUEUE_TEXT_H_NOWAR : WG_NPCQUEUE_TEXT_A_NOWAR, me->GetGUID());
        }
        return true;
    }
 
    bool OnGossipSelect(Player* player, uint32 /*menuId*/, uint32 /*gossipListId*/) override
    {
        CloseGossipMenuFor(player);
 
        Battlefield* wintergrasp = sBattlefieldMgr->GetBattlefieldByBattleId(me->GetMap(), BATTLEFIELD_BATTLEID_WG);
        if (!wintergrasp)
            return true;
 
        if (wintergrasp->IsWarTime())
            wintergrasp->InvitePlayerToWar(player);
        else
        {
            uint32 timer = wintergrasp->GetTimer() / 1000;
            if (timer < 15 * MINUTE)
                wintergrasp->InvitePlayerToQueue(player);
        }
        return true;
    }
};
 
struct go_wg_vehicle_teleporter : public GameObjectAI
{
    go_wg_vehicle_teleporter(GameObject* gameObject) : GameObjectAI(gameObject), _checkTimer(0) { }
 
    bool IsFriendly(Unit* passenger)
    {
        return ((me->GetFaction() == FACTION_HORDE_GENERIC_WG && passenger->GetFaction() == HORDE) ||
                (me->GetFaction() == FACTION_ALLIANCE_GENERIC_WG && passenger->GetFaction() == ALLIANCE));
    }
 
    Creature* GetValidVehicle(Creature* cVeh)
    {
        if (!cVeh->HasAura(SPELL_VEHICLE_TELEPORT))
            if (Vehicle* vehicle = cVeh->GetVehicleKit())
                if (Unit* passenger = vehicle->GetPassenger(0))
                    if (IsFriendly(passenger))
                        if (Creature* teleportTrigger = passenger->SummonTrigger(me->GetPositionX()-60.0f, me->GetPositionY(), me->GetPositionZ()+1.0f, cVeh->GetOrientation(), 1s))
                            return teleportTrigger;
 
        return nullptr;
    }
 
    void UpdateAI(uint32 diff) override
    {
        _checkTimer += diff;
        if (_checkTimer >= 1000)
        {
            for (uint8 i = 0; i < MAX_WINTERGRASP_VEHICLES; i++)
                if (Creature* vehicleCreature = me->FindNearestCreature(vehiclesList[i], 3.0f, true))
                    if (Creature* teleportTrigger = GetValidVehicle(vehicleCreature))
                        teleportTrigger->CastSpell(vehicleCreature, SPELL_VEHICLE_TELEPORT, true);
 
            _checkTimer = 0;
        }
    }
 
private:
    uint32 _checkTimer;
};
 
/* 49899 - Activate Robotic Arms
   56659 - Build Demolisher (Force)
   56662 - Build Siege Vehicle (Force)
   56664 - Build Catapult (Force)
   61409 - Build Siege Vehicle (Force) */
class spell_wintergrasp_force_building : public SpellScript
{
    bool Validate(SpellInfo const* /*spell*/) override
    {
        return ValidateSpellInfo(
        {
            SPELL_BUILD_CATAPULT_FORCE,
            SPELL_BUILD_DEMOLISHER_FORCE,
            SPELL_BUILD_SIEGE_VEHICLE_FORCE_HORDE,
            SPELL_BUILD_SIEGE_VEHICLE_FORCE_ALLIANCE
        });
    }
 
    void HandleScript(SpellEffIndex effIndex)
    {
        PreventHitDefaultEffect(effIndex);
        GetHitUnit()->CastSpell(GetHitUnit(), GetEffectValueAsInt(), false);
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_wintergrasp_force_building::HandleScript, EFFECT_0, SPELL_EFFECT_SCRIPT_EFFECT);
    }
};
 
// 61178 - Grab Passenger
class spell_wintergrasp_grab_passenger : public SpellScript
{
    void HandleScript(SpellEffIndex /*effIndex*/)
    {
        if (Player* target = GetHitPlayer())
            target->CastSpell(GetCaster(), SPELL_RIDE_WG_VEHICLE, false);
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_wintergrasp_grab_passenger::HandleScript, EFFECT_0, SPELL_EFFECT_SCRIPT_EFFECT);
    }
};
 
class achievement_wg_didnt_stand_a_chance : public AchievementCriteriaScript
{
public:
    achievement_wg_didnt_stand_a_chance() : AchievementCriteriaScript("achievement_wg_didnt_stand_a_chance") { }
 
    bool OnCheck(Player* source, Unit* target) override
    {
        if (!target)
            return false;
 
        if (Player* victim = target->ToPlayer())
        {
            if (!victim->IsMounted())
                return false;
 
            if (Vehicle* vehicle = source->GetVehicle())
                if (vehicle->GetVehicleInfo()->ID == 244) // Wintergrasp Tower Cannon
                    return true;
        }
 
        return false;
    }
};
 
enum WgTeleport
{
    SPELL_WINTERGRASP_TELEPORT_TRIGGER = 54643,
};
 
// 54640 - Teleport
class spell_wintergrasp_defender_teleport : public SpellScript
{
    SpellCastResult CheckCast()
    {
        if (Player* target = GetExplTargetUnit()->ToPlayer())
            if (Battlefield* wg = sBattlefieldMgr->GetBattlefieldByBattleId(target->GetMap(), BATTLEFIELD_BATTLEID_WG))
                // check if we are in Wintergrasp at all, SotA uses same teleport spells
                if ((target->GetZoneId() == AREA_WINTERGRASP && target->GetTeamId() != wg->GetDefenderTeam()) || target->HasAura(SPELL_WINTERGRASP_TELEPORT_TRIGGER))
                    return SPELL_FAILED_BAD_TARGETS;
        return SPELL_CAST_OK;
    }
 
    void Register() override
    {
        OnCheckCast += SpellCheckCastFn(spell_wintergrasp_defender_teleport::CheckCast);
    }
};
 
// 54643 - Teleport
class spell_wintergrasp_defender_teleport_trigger : public SpellScript
{
    void HandleDummy(SpellEffIndex /*effindex*/)
    {
        if (Unit* target = GetHitUnit())
        {
            WorldLocation loc = target->GetWorldLocation();
            SetExplTargetDest(loc);
        }
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_wintergrasp_defender_teleport_trigger::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
 
};
 
// 58549 - Tenacity
// 59911 - Tenacity
class spell_wintergrasp_tenacity_refresh : public AuraScript
{
    bool Validate(SpellInfo const* spellInfo) override
    {
        if (!ValidateSpellEffect({ { spellInfo->Id, EFFECT_2 } }))
            return false;
        uint32 triggeredSpellId = spellInfo->GetEffect(EFFECT_2).CalcValueAsInt();
        return !triggeredSpellId || ValidateSpellInfo({ triggeredSpellId });
    }
 
    void Refresh(AuraEffect const* aurEff)
    {
        PreventDefaultAction();
 
        if (uint32 triggeredSpellId = aurEff->GetSpellEffectInfo().CalcValueAsInt())
        {
            SpellEffectValue bp = 0;
            if (AuraEffect const* healEffect = GetEffect(EFFECT_0))
                bp = healEffect->GetAmount();
 
            CastSpellExtraArgs args(aurEff);
            args
                .AddSpellMod(SPELLVALUE_BASE_POINT0, bp)
                .AddSpellMod(SPELLVALUE_BASE_POINT1, bp);
            GetTarget()->CastSpell(nullptr, triggeredSpellId, args);
        }
 
        RefreshDuration();
    }
 
    void OnRemove(AuraEffect const* aurEff, AuraEffectHandleModes /*mode*/)
    {
        if (uint32 triggeredSpellId = aurEff->GetSpellEffectInfo().CalcValueAsInt())
            GetTarget()->RemoveAurasDueToSpell(triggeredSpellId);
    }
 
    void Register() override
    {
        OnEffectPeriodic += AuraEffectPeriodicFn(spell_wintergrasp_tenacity_refresh::Refresh, EFFECT_2, SPELL_AURA_PERIODIC_DUMMY);
        AfterEffectRemove += AuraEffectRemoveFn(spell_wintergrasp_tenacity_refresh::OnRemove, EFFECT_2, SPELL_AURA_PERIODIC_DUMMY, AURA_EFFECT_HANDLE_REAL);
    }
};
 
class condition_is_wintergrasp_horde : public ConditionScript
{
public:
    condition_is_wintergrasp_horde() : ConditionScript("condition_is_wintergrasp_horde") { }
 
    bool OnConditionCheck(Condition const* /* condition */, ConditionSourceInfo& sourceInfo)
    {
        if (!sourceInfo.mConditionMap)
            return false;
        Battlefield* wintergrasp = sBattlefieldMgr->GetBattlefieldByBattleId(sourceInfo.mConditionMap, BATTLEFIELD_BATTLEID_WG);
        if (wintergrasp->IsEnabled() && wintergrasp->GetDefenderTeam() == TEAM_HORDE)
            return true;
        return false;
    }
};
 
class condition_is_wintergrasp_alliance : public ConditionScript
{
public:
    condition_is_wintergrasp_alliance() : ConditionScript("condition_is_wintergrasp_alliance") { }
 
    bool OnConditionCheck(Condition const* /* condition */, ConditionSourceInfo& sourceInfo)
    {
        if (!sourceInfo.mConditionMap)
            return false;
        Battlefield* wintergrasp = sBattlefieldMgr->GetBattlefieldByBattleId(sourceInfo.mConditionMap, BATTLEFIELD_BATTLEID_WG);
        if (wintergrasp->IsEnabled() && wintergrasp->GetDefenderTeam() == TEAM_ALLIANCE)
            return true;
        return false;
    }
};
 
void AddSC_wintergrasp()
{
    RegisterCreatureAI(npc_wg_queue);
    RegisterCreatureAI(npc_wg_spirit_guide);
    RegisterCreatureAI(npc_wg_demolisher_engineer);
    RegisterGameObjectAI(go_wg_vehicle_teleporter);
    RegisterSpellScript(spell_wintergrasp_force_building);
    RegisterSpellScript(spell_wintergrasp_grab_passenger);
    new achievement_wg_didnt_stand_a_chance();
    RegisterSpellScript(spell_wintergrasp_defender_teleport);
    RegisterSpellScript(spell_wintergrasp_defender_teleport_trigger);
    RegisterSpellScript(spell_wintergrasp_tenacity_refresh);
    new condition_is_wintergrasp_horde();
    new condition_is_wintergrasp_alliance();
}