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feat(inventory): equip and unequip like live

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Live, on every equip and unequip (captures: 22,422 ChangeObjectWorldState,
4,269 equip effects, 245 UncastSkill):

- ChangeObjectWorldState on the item to everyone: ATTACHED when equipped,
  INVENTORY when unequipped, proxies (sub-items) included.
- The equip-<slot> / unequip-<slot> effect on the wearer to everyone
  (effect -1, priority 1.07), the slot picked from the item's equip location
  as the client's ItemComponent does (0x00cdafb0): special_l left,
  special_r right, hair head, clavicle, chest, legs; none for others (e.g. a
  rocket's Extra_1); the item's equipEffects with "equip"/"unequip" when it
  has one; no equip effect for noEquipAnimation items, no unequip effect for
  proxies.
- Order when an item replaces another: the new item's state and effect,
  then the old item's, then the old item's proxies taken away
  (RemoveItemFromInventory, UnEquipInventory with ignoreCooldown,
  ChangeObjectWorldState INVENTORY, to the player), then UncastSkill for
  the old item's equip skills (castOnType 1, not its proxies'), then its
  skill removed and the new one added, then the new item's proxies.
- An equipped item taken out of the inventory is followed by
  UnEquipInventory (ignoreCooldown) to the player.

DLU sent none of these (only the rocket's ChangeObjectWorldState, which
now comes from equipping it, before RocketEquipped as live).

Check in game (with a second player watching): equip and unequip a hat, a
sword, a shield, a shirt, pants and a backpack; both players see the equip
animation/effect. Put a ninja hood on, then another hat over it: the hood's
back piece disappears and its passive effects end (no lingering aura or
stat). Launch a rocket: it is still shown during the launch.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Aaron Kimbrell
2026-09-29 02:41:12 -05:00
parent b845faee72
commit eaba3d8459
6 changed files with 320 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

89
dGame/dComponents/InventoryComponent.cpp
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@@ -21,6 +21,11 @@
#include "Database.h"
#include "CDModularBuildComponentTable.h"
#include "SkillMessages.h"
#include <string_view>
#include <array>
#include "eObjectWorldState.h"
#include "EffectsMessages.h"
#include "ZoneMessages.h"
#include "MovementMessages.h"
#include "SkillComponent.h"
#include "Character.h"
@@ -1052,7 +1057,9 @@ void InventoryComponent::EquipItem(Item* item, const bool skipChecks) {
if (item->GetInfo().isBOE) item->SetBound(true);
GenerateProxies(item);
// Live: the item is attached (and its effect played) first, then the item it replaces is unequipped, then the
// skills change and the item's proxies are added
SendEquipState(*item, true);
UpdateSlot(item->GetInfo().equipLocation, { item->GetId(), item->GetLot(), item->GetCount(), item->GetSlot(), item->GetConfig() });
@@ -1060,6 +1067,8 @@ void InventoryComponent::EquipItem(Item* item, const bool skipChecks) {
AddItemSkills(item->GetLot());
GenerateProxies(item);
EquipScripts(item);
Game::entityManager->SerializeEntity(m_Parent);
@@ -1082,12 +1091,21 @@ void InventoryComponent::UnEquipItem(Item* item) {
set->OnUnEquip(lot);
}
// Taken out of its slot first, so its proxies (purged below) don't unequip it again
RemoveSlot(item->GetInfo().equipLocation);
// Live: back to the inventory (and its effect), its proxies taken away, its equip skills uncast, then its skill
// removed
SendEquipState(*item, false);
PurgeProxies(item);
SendUncastEquipSkills(*item);
RemoveBuff(item);
RemoveItemSkills(item->GetLot());
RemoveSlot(item->GetInfo().equipLocation);
UnequipScripts(item);
Game::entityManager->SerializeEntity(m_Parent);
@@ -1746,12 +1764,75 @@ void InventoryComponent::PurgeProxies(Item* item) {
auto proxies = FindProxies(item->GetId());
for (auto* proxy : proxies) {
proxy->UnEquip();
// Live told the client each proxy left the inventory (then UnEquipInventory and ChangeObjectWorldState,
// from RemoveFromInventory)
GameMessages::RemoveItemFromInventory removeItem;
removeItem.target = m_Parent->GetObjectID();
removeItem.eInvType = proxy->GetInventory()->GetType();
removeItem.eLootTypeSource = static_cast<int32_t>(eLootSourceType::INVENTORY);
removeItem.iObjID = proxy->GetId();
removeItem.iObjTemplate = proxy->GetLot();
removeItem.iRequestingObjID = item->GetId();
removeItem.iStackCount = proxy->GetCount();
removeItem.iStackRemaining = 0;
if (m_Parent->IsPlayer()) removeItem.SendToClient(m_Parent->GetSystemAddress());
proxy->RemoveFromInventory();
}
}
namespace {
// The effect an item plays on its wearer when it is equipped or unequipped, as LWOItemComponent::SendMessage
// (0x00cdafb0) picks it from the equip location; none for the other locations
std::u16string EquipEffectType(const std::string& equipLocation, const bool equip) {
static const std::array<std::pair<std::string_view, std::u16string_view>, 6> SLOTS = { {
{ "special_l", u"left" }, { "special_r", u"right" }, { "hair", u"head" },
{ "clavicle", u"clavicle" }, { "chest", u"chest" }, { "legs", u"legs" },
} };
for (const auto& [location, slot] : SLOTS) {
if (equipLocation == location) return std::u16string(equip ? u"equip-" : u"unequip-") + std::u16string(slot);
}
return u"";
}
}
void InventoryComponent::SendEquipState(const Item& item, const bool equipped) const {
// Live sent every equip and unequip to everyone, proxies included
GameMessages::ChangeObjectWorldState worldState;
worldState.target = item.GetId();
worldState.newState = equipped ? eObjectWorldState::ATTACHED : eObjectWorldState::INVENTORY;
worldState.Send(UNASSIGNED_SYSTEM_ADDRESS);
// The client plays no equip effect for noEquipAnimation items; live played no unequip effect for proxies (they
// go with their item)
const auto& info = item.GetInfo();
if (equipped ? info.noEquipAnimation : item.GetParent() != LWOOBJID_EMPTY) return;
GameMessages::PlayFXEffect effect;
effect.target = m_Parent->GetObjectID();
if (info.equipEffects != 0) {
effect.effectID = static_cast<int32_t>(info.equipEffects);
effect.effectType = equipped ? u"equip" : u"unequip";
} else {
effect.effectType = EquipEffectType(info.equipLocation, equipped);
}
if (effect.effectType.empty()) return;
effect.priority = 1.07f;
effect.Send(UNASSIGNED_SYSTEM_ADDRESS);
}
void InventoryComponent::SendUncastEquipSkills(const Item& item) const {
// Proxies' equip skills aren't cast (FindBuffs), so there is nothing to uncast
if (item.GetParent() != LWOOBJID_EMPTY || !m_Parent->IsPlayer()) return;
for (const auto& skill : CDClientManager::GetTable<CDObjectSkillsTable>()->Get(item.GetLot())) {
if (skill.castOnType != 1) continue;
GameMessages::UncastSkill uncast;
uncast.target = m_Parent->GetObjectID();
uncast.skillID = static_cast<int32_t>(skill.skillID);
uncast.SendToClient(m_Parent->GetSystemAddress());
}
}
void InventoryComponent::LoadPetXml(const tinyxml2::XMLDocument& document) {
auto* petInventoryElement = document.FirstChildElement("obj")->FirstChildElement("pet");