From f4a57bffe796812d52d84c092d993b36bef04cbf Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwe@kingsome.cn>
Date: Mon, 26 Sep 2022 13:06:18 +0800
Subject: [PATCH] 1

---
 server/gameserver/constant.h  |  7 +++++++
 server/gameserver/creature.cc | 30 ++++++++++++++++++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/server/gameserver/constant.h b/server/gameserver/constant.h
index 8847d1b4..040ea611 100644
--- a/server/gameserver/constant.h
+++ b/server/gameserver/constant.h
@@ -237,6 +237,7 @@ enum EquipType_e
 {
     EQUIP_TYPE_WEAPON = 1,
     EQUIP_TYPE_BULLET = 2,
+    EQUIP_TYPE_THROW = 3,
     EQUIP_TYPE_PROTECTION = 4,
     EQUIP_TYPE_BAG = 7,
     EQUIP_TYPE_OLDSKIN = 8,
@@ -255,6 +256,12 @@ enum GunSubEquipType_e
     GUN_SUB_EQUIP_TYPE_End
 };
 
+enum ThrowSubEquipType_e
+{
+    THROW_EQUIP_TYPE_ADD_BUFF = 3,
+    THROW_SUB_EQUIP_TYPE_End
+};
+
 enum EntitySubType_e
 {
    EST_None = 0,
diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index 7754f902..1f2280bf 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -1205,6 +1205,36 @@ void Creature::ProcSkillPhase(MetaData::SkillPhase* phase)
                     if (std::abs(skill_dir_.x) > FLT_EPSILON ||
                         std::abs(skill_dir_.y) > FLT_EPSILON) {
                         float target_distance = 5;
+                        if (weapon_meta->i->equip_type() == EQUIP_TYPE_THROW &&
+                            weapon_meta->i->equip_subtype() == THROW_EQUIP_TYPE_ADD_BUFF) {
+                            target_distance = skill_distance_;
+                            room->xtimer.AddDeadLineTimerAndAttach
+                                (
+                                 (target_distance / weapon_meta->i->bullet_speed()) * 1000.0f / FRAME_RATE_MS,
+                                 a8::XParams()
+                                 .SetSender(this)
+                                 .SetParam1(context_pos.x)
+                                 .SetParam2(context_pos.y)
+                                 .SetParam3(weapon_meta),
+                                 [] (const a8::XParams& param)
+                                 {
+                                     Creature* c = (Creature*)param.sender.GetUserData();
+                                     MetaData::Equip* equip_meta = (MetaData::Equip*)param.param3.GetUserData();
+
+                                     a8::Vec2 context_pos;
+                                     context_pos.x = param.param1.GetDouble();
+                                     context_pos.x = param.param2.GetDouble();
+                                     a8::Vec2 old_context_pos = c->context_pos;
+                                     c->TryAddBuff(c, equip_meta->int_param1);
+                                     c->context_pos = context_pos;
+                                     c->context_pos = old_context_pos;
+                                 },
+                                 &xtimer_attacher.timer_list_,
+                                 [] (const a8::XParams& param)
+                                 {
+
+                                 });
+                        }
                         if (bullet_meta && target_distance > 0.00001f) {
                             a8::Vec2 old_attack_dir = GetAttackDir();
                             a8::Vec2 attack_dir = skill_dir_;