LearnAllSpells on char create

#include "ScriptPch.h"

class TeachOnLogin : public PlayerScript
{
public:
    TeachOnLogin() : PlayerScript("TeachOnLogin") { }

    void OnCreate(Player* player)
    {
        // HandleLearnAllMySpellsCommand Copy paste
        ChrClassesEntry const* classEntry = sChrClassesStore.LookupEntry(player->getClass());
        if (!classEntry)
            return;
        uint32 family = classEntry->spellfamily;

        for (uint32 i = 0; i < sSkillLineAbilityStore.GetNumRows(); ++i)
        {
            SkillLineAbilityEntry const* entry = sSkillLineAbilityStore.LookupEntry(i);
            if (!entry)
                continue;

            SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(entry->spellId);
            if (!spellInfo)
                continue;

            // skip server-side/triggered spells
            if (spellInfo->SpellLevel == 0)
                continue;

            // skip wrong class/race skills
            if (!player->IsSpellFitByClassAndRace(spellInfo->Id))
                continue;

            // skip other spell families
            if (spellInfo->SpellFamilyName != family)
                continue;

            // skip spells with first rank learned as talent (and all talents then also)
            uint32 firstRank = sSpellMgr->GetFirstSpellInChain(spellInfo->Id);
            if (GetTalentSpellCost(firstRank) > 0)
                continue;

            // skip broken spells
            if (!SpellMgr::IsSpellValid(spellInfo, player, false))
                continue;

            player->learnSpell(spellInfo->Id, false);
        }
    }
};