game2006/server/gameserver/buff/machine_gun.cc

#include "precompile.h"

#include "buff/machine_gun.h"

void MachineGunBuff::Activate()
{
    hold_curr_weapon_idx_ = caster_.Get()->GetCurrWeapon()->weapon_idx;
    {
        std::vector<std::string> strings;
        a8::Split(meta->buff_param1(), strings, ':');
        for (size_t i = 0; i < strings.size(); ++i) {
            int weapon_id = a8::XValue(strings[i]);
            const mt::Equip* weapon_meta = mt::Equip::GetById(weapon_id);
            if (weapon_meta && i < caster_.Get()->weapons.size()) {
                int weapon_idx = weapon_meta->GetWeaponIdx();
                if (weapon_idx >= 0 && weapon_idx < caster_.Get()->weapons.size()) {
                    Weapon* weapon = &caster_.Get()->weapons[weapon_idx];
                    hold_weapons_.push_back(*weapon);

                    weapon->weapon_id = weapon_meta->id();
                    weapon->meta = weapon_meta;
                    weapon->skill_meta = skill_meta;
                    weapon->Recalc();
                    weapon->ammo = weapon->GetClipVolume(owner);
                    if (i == 0) {
                        caster_.Get()->SetCurrWeapon(weapon);
                    }
                }
            }
        }
        caster_.Get()->MarkSyncActivePlayer(__FILE__, __LINE__, __func__);
        caster_.Get()->UpdateCharImage(__FILE__, __LINE__, __func__);
    }
    if (skill_meta && skill_meta->_number_meta) {
        switch (skill_meta->GetMagicId()) {
        case MAGIC_HLYZ:
            {
                owner->room->xtimer.ModifyTime
                    (remover_timer,
                     skill_meta->_number_meta->_float_time * 1000/ FRAME_RATE_MS);
            }
            break;
        case MAGIC_HJHX:
            {
                owner->room->xtimer.ModifyTime
                    (remover_timer,
                     skill_meta->_number_meta->_float_time * 1000 / FRAME_RATE_MS);
                owner->GetTrigger()->DispatchEvent(kStartSwitchWeaponBuffEvent, {this});
            }
            break;
        case MAGIC_FG:
            {
                bool shot_ok = false;
                a8::Vec2 target_dir;
                float fly_distance = 0;
                int trace_target_uniid = 0;
                owner->Shot(owner->context_dir, shot_ok, fly_distance, trace_target_uniid);

                owner->room->xtimer.ModifyTime
                    (remover_timer,
                     skill_meta->_number_meta->_float_time * 1000 / FRAME_RATE_MS);
                event_handlers_.push_back
                    (
                     owner->GetTrigger()->AddListener
                     (
                      kSkillBulletPreCreateEvent,
                      [this] (const a8::Args& args)
                      {
                          int delay_time = args.Get<int>(0);
                          const mt::Skill* bullet_skill_meta = args.Get<const mt::Skill*>(1);
                          int passed_frames = (owner->room->GetFrameNo() - add_frameno);
                          int raw_frames = skill_meta->_number_meta->_float_time * 1000 / FRAME_RATE_MS;
                          if (skill_meta == bullet_skill_meta &&
                              delay_time >= (passed_frames - raw_frames - 2) * FRAME_RATE_MS) {
                              int remain_time = owner->room->xtimer.GetRemainTime(remover_timer);
                              owner->room->xtimer.ModifyTime
                                  (remover_timer, delay_time / FRAME_RATE_MS + 2);
                          }
#ifdef DEBUG
                          a8::XPrintf("event1 %d %d %d\n", {passed_frames, raw_frames, delay_time});
#endif
                      }
                      )
                     );
                event_handlers_.push_back
                    (
                     owner->GetTrigger()->AddListener
                     (
                      kFlyHookCreateEvent,
                      [this] (const a8::Args& args)
                      {
                          Bullet* bullet = args.Get<Bullet*>(0);
                          int passed_frames = (owner->room->GetFrameNo() - add_frameno);
                          int raw_frames = skill_meta->_number_meta->_float_time * 1000 / FRAME_RATE_MS;
                          owner->room->xtimer.ModifyTime
                              (remover_timer,
                               skill_meta->_number_meta->_float_time * 1000 / FRAME_RATE_MS);
#ifdef DEBUG
                          a8::XPrintf("event2 %d %d\n", {passed_frames, raw_frames});
#endif
                      })
                     );
                event_handlers_.push_back
                    (
                     owner->GetTrigger()->AddListener
                     (
                      kFlyHookDestoryEvent,
                      [this] (const a8::Args& args)
                      {
                          int passed_frames = (owner->room->GetFrameNo() - add_frameno);
                          int raw_frames = skill_meta->_number_meta->_float_time * 1000 / FRAME_RATE_MS;
                          if (passed_frames >= raw_frames) {
                              owner->RemoveBuffByUniId(buff_uniid);
                          }
#ifdef DEBUG
                          a8::XPrintf("event3 %d %d\n", {passed_frames, raw_frames});
#endif
                      }
                      )
                     );
#ifdef DEBUG
             {
                 std::string dbg_msg = a8::Format
                     (
                      "skill_id:%d 飞钩 距离:%f 钩子持续时间:%f",
                      {
                       skill_meta->skill_id(),
                       skill_meta->_number_meta->_float_range,
                       skill_meta->_number_meta->_float_time,
                      });
                 owner->SendDebugMsg(dbg_msg);
                 a8::XPrintf("%s\n", {dbg_msg});
             }
#endif
            }
            break;
        default:
            {
            }
            break;
        }
    }
}

void MachineGunBuff::Deactivate()
{
    owner->GetTrigger()->DispatchEvent(kEndSwitchWeaponBuffEvent, {this});
    RecoverHoldWeapons();
}