winter_veil.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 "Containers.h"
#include "CreatureAIImpl.h"
#include "Player.h"
#include "SpellAuraEffects.h"
#include "SpellScript.h"
 
enum Mistletoe
{
    SPELL_CREATE_MISTLETOE          = 26206,
    SPELL_CREATE_HOLLY              = 26207,
    SPELL_CREATE_SNOWFLAKES         = 45036
};
 
// 26218 - Mistletoe
class spell_winter_veil_mistletoe : public SpellScript
{
    bool Validate(SpellInfo const* /*spell*/) override
    {
        return ValidateSpellInfo(
        {
            SPELL_CREATE_MISTLETOE,
            SPELL_CREATE_HOLLY,
            SPELL_CREATE_SNOWFLAKES
        });
    }
 
    void HandleScript(SpellEffIndex /*effIndex*/)
    {
        GetCaster()->CastSpell(GetHitUnit(), RAND(SPELL_CREATE_HOLLY, SPELL_CREATE_MISTLETOE, SPELL_CREATE_SNOWFLAKES), true);
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_winter_veil_mistletoe::HandleScript, EFFECT_0, SPELL_EFFECT_SCRIPT_EFFECT);
    }
};
 
enum PX238WinterWondervolt
{
    SPELL_PX_238_WINTER_WONDERVOLT_TRANSFORM_1  = 26157,
    SPELL_PX_238_WINTER_WONDERVOLT_TRANSFORM_2  = 26272,
    SPELL_PX_238_WINTER_WONDERVOLT_TRANSFORM_3  = 26273,
    SPELL_PX_238_WINTER_WONDERVOLT_TRANSFORM_4  = 26274
};
 
std::array<uint32, 4> const WonderboltTransformSpells =
{
    SPELL_PX_238_WINTER_WONDERVOLT_TRANSFORM_1,
    SPELL_PX_238_WINTER_WONDERVOLT_TRANSFORM_2,
    SPELL_PX_238_WINTER_WONDERVOLT_TRANSFORM_3,
    SPELL_PX_238_WINTER_WONDERVOLT_TRANSFORM_4
};
 
// 26275 - PX-238 Winter Wondervolt TRAP
class spell_winter_veil_px_238_winter_wondervolt : public SpellScript
{
    bool Validate(SpellInfo const* /*spellInfo*/) override
    {
        return ValidateSpellInfo(WonderboltTransformSpells);
    }
 
    void HandleScript(SpellEffIndex /*effIndex*/)
    {
        Unit* target = GetHitUnit();
 
        for (uint32 spell : WonderboltTransformSpells)
            if (target->HasAura(spell))
                return;
 
        target->CastSpell(target, Trinity::Containers::SelectRandomContainerElement(WonderboltTransformSpells), true);
    }
 
    void Register() override
    {
        OnEffectHitTarget += SpellEffectFn(spell_winter_veil_px_238_winter_wondervolt::HandleScript, EFFECT_0, SPELL_EFFECT_SCRIPT_EFFECT);
    }
};
 
enum ReindeerTransformation
{
    SPELL_FLYING_REINDEER_310                   = 44827,
    SPELL_FLYING_REINDEER_280                   = 44825,
    SPELL_FLYING_REINDEER_60                    = 44824,
    SPELL_REINDEER_100                          = 25859,
    SPELL_REINDEER_60                           = 25858,
};
 
// 25860 - Reindeer Transformation
class spell_winter_veil_reindeer_transformation : public SpellScript
{
    bool Validate(SpellInfo const* /*spell*/) override
    {
        return ValidateSpellInfo(
        {
            SPELL_FLYING_REINDEER_310,
            SPELL_FLYING_REINDEER_280,
            SPELL_FLYING_REINDEER_60,
            SPELL_REINDEER_100,
            SPELL_REINDEER_60
        });
    }
 
    void HandleDummy(SpellEffIndex /* effIndex */)
    {
        Unit* caster = GetCaster();
        if (caster->HasAuraType(SPELL_AURA_MOUNTED))
        {
            float flyspeed = caster->GetSpeedRate(MOVE_FLIGHT);
            float speed = caster->GetSpeedRate(MOVE_RUN);
 
            caster->RemoveAurasByType(SPELL_AURA_MOUNTED);
            //5 different spells used depending on mounted speed and if mount can fly or not
 
            if (flyspeed >= 4.1f)
                // Flying Reindeer
                caster->CastSpell(caster, SPELL_FLYING_REINDEER_310, true); //310% flying Reindeer
            else if (flyspeed >= 3.8f)
                // Flying Reindeer
                caster->CastSpell(caster, SPELL_FLYING_REINDEER_280, true); //280% flying Reindeer
            else if (flyspeed >= 1.6f)
                // Flying Reindeer
                caster->CastSpell(caster, SPELL_FLYING_REINDEER_60, true); //60% flying Reindeer
            else if (speed >= 2.0f)
                // Reindeer
                caster->CastSpell(caster, SPELL_REINDEER_100, true); //100% ground Reindeer
            else
                // Reindeer
                caster->CastSpell(caster, SPELL_REINDEER_60, true); //60% ground Reindeer
        }
    }
 
    void Register() override
    {
        OnEffectHit += SpellEffectFn(spell_winter_veil_reindeer_transformation::HandleDummy, EFFECT_0, SPELL_EFFECT_DUMMY);
    }
};
 
void AddSC_event_winter_veil()
{
    RegisterSpellScript(spell_winter_veil_mistletoe);
    RegisterSpellScript(spell_winter_veil_px_238_winter_wondervolt);
    RegisterSpellScript(spell_winter_veil_reindeer_transformation);
}