pet_hunter.cpp

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/*
* This file is part of Project SkyFire https://www.projectskyfire.org. 
* See LICENSE.md file for Copyright information
*/
 
/*
 * Ordered alphabetically using scriptname.
 * Scriptnames of files in this file should be prefixed with "npc_pet_hun_".
 */
 
#include "ScriptMgr.h"
#include "ScriptedCreature.h"
 
enum HunterSpells
{
    SPELL_HUNTER_CRIPPLING_POISON       = 30981,   // Viper
    SPELL_HUNTER_DEADLY_POISON          = 34655,   // Venomous Snake
    SPELL_HUNTER_MIND_NUMBING_POISON    = 25810    // Viper
};
 
enum HunterCreatures
{
    NPC_HUNTER_VIPER                    = 19921
};
 
class npc_pet_hunter_snake_trap : public CreatureScript
{
    public:
        npc_pet_hunter_snake_trap() : CreatureScript("npc_pet_hunter_snake_trap") { }
 
        struct npc_pet_hunter_snake_trapAI : public ScriptedAI
        {
            npc_pet_hunter_snake_trapAI(Creature* creature) : ScriptedAI(creature) { }
 
            void EnterCombat(Unit* /*who*/) OVERRIDE { }
 
            void Reset() OVERRIDE
            {
                _spellTimer = 0;
 
                CreatureTemplate const* Info = me->GetCreatureTemplate();
 
                _isViper = Info->Entry == NPC_HUNTER_VIPER ? true : false;
 
                me->SetMaxHealth(uint32(107 * (me->getLevel() - 40) * 0.025f));
                // Add delta to make them not all hit the same time
                uint32 delta = (rand() % 7) * 100;
                me->SetStatFloatValue(UNIT_FIELD_ATTACK_ROUND_BASE_TIME, float(Info->baseattacktime + delta));
                me->SetStatFloatValue(UNIT_FIELD_RANGED_ATTACK_POWER, float(Info->attackpower));
 
                // Start attacking attacker of owner on first ai update after spawn - move in line of sight may choose better target
                if (!me->GetVictim() && me->IsSummon())
                    if (Unit* Owner = me->ToTempSummon()->GetSummoner())
                        if (Owner->getAttackerForHelper())
                            AttackStart(Owner->getAttackerForHelper());
            }
 
            // Redefined for random target selection:
            void MoveInLineOfSight(Unit* who) OVERRIDE
            {
                if (!me->GetVictim() && me->CanCreatureAttack(who))
                {
                    if (me->GetDistanceZ(who) > CREATURE_Z_ATTACK_RANGE)
                        return;
 
                    float attackRadius = me->GetAttackDistance(who);
                    if (me->IsWithinDistInMap(who, attackRadius) && me->IsWithinLOSInMap(who))
                    {
                        if (!(rand() % 5))
                        {
                            me->setAttackTimer(WeaponAttackType::BASE_ATTACK, (rand() % 10) * 100);
                            _spellTimer = (rand() % 10) * 100;
                            AttackStart(who);
                        }
                    }
                }
            }
 
            void UpdateAI(uint32 diff) OVERRIDE
            {
                if (!UpdateVictim())
                    return;
 
                if (me->GetVictim()->HasBreakableByDamageCrowdControlAura(me))
                {
                    me->InterruptNonMeleeSpells(false);
                    return;
                }
 
                if (_spellTimer <= diff)
                {
                    if (_isViper) // Viper
                    {
                        if ((std::rand() % 2) == 0) //33% chance to cast
                        {
                            uint32 spell;
                            if ((std::rand() % 1) == 0)
                                spell = SPELL_HUNTER_MIND_NUMBING_POISON;
                            else
                                spell = SPELL_HUNTER_CRIPPLING_POISON;
 
                            DoCastVictim(spell);
                        }
 
                        _spellTimer = 3000;
                    }
                    else // Venomous Snake
                    {
                        if ((std::rand() % 2) == 0) // 33% chance to cast
                            DoCastVictim(SPELL_HUNTER_DEADLY_POISON);
                        _spellTimer = 1500 + (rand() % 5) * 100;
                    }
                }
                else
                    _spellTimer -= diff;
 
                DoMeleeAttackIfReady();
            }
 
        private:
            bool _isViper;
            uint32 _spellTimer;
        };
 
        CreatureAI* GetAI(Creature* creature) const OVERRIDE
        {
            return new npc_pet_hunter_snake_trapAI(creature);
        }
};
 
void AddSC_hunter_pet_scripts()
{
    new npc_pet_hunter_snake_trap();
}