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[Feature] Add Support for Item Previews (#4599)

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* [Feature] Add Support for Item Previews

* Update client_packet.cpp
This commit is contained in:
Alex King 2025-01-19 20:18:17 -05:00 committed by GitHub
parent 37a7b7fc41
commit 75698a809f
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GPG Key ID: B5690EEEBB952194
9 changed files with 1269 additions and 1204 deletions
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1
common/emu_oplist.h
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@ -290,6 +290,7 @@ N(OP_ItemLinkText),
N(OP_ItemName),
N(OP_ItemPacket),
N(OP_ItemPreview),
N(OP_ItemPreviewRequest),
N(OP_ItemRecastDelay),
N(OP_ItemVerifyReply),
N(OP_ItemVerifyRequest),

9
common/patches/rof.cpp
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@ -5188,7 +5188,14 @@ namespace RoF
//sprintf(hdr.unknown000, "06e0002Y1W00");
snprintf(hdr.unknown000, sizeof(hdr.unknown000), "%016d", item->ID);
strn0cpy(
hdr.unknown000,
fmt::format(
"{:016}\0",
packet_type == ItemPacketInvalid ? 0 : inst->GetSerialNumber()
).c_str(),
sizeof(hdr.unknown000)
);
hdr.stacksize = (inst->IsStackable() ? ((inst->GetCharges() > 1000) ? 0xFFFFFFFF : inst->GetCharges()) : 1);
hdr.unknown004 = 0;

30
common/patches/rof2.cpp
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@ -2105,6 +2105,33 @@ namespace RoF2
}
}
ENCODE(OP_ItemPreviewRequest)
{
EQApplicationPacket* in = *p;
*p = nullptr;
uchar* in_buf = in->pBuffer;
auto int_item = (EQ::InternalSerializedItem_Struct*) in_buf;
EQ::OutBuffer buf;
EQ::OutBuffer::pos_type last_pos = buf.tellp();
SerializeItem(buf, (const EQ::ItemInstance*) int_item->inst, int_item->slot_id, 0, ItemPacketInvalid);
if (buf.tellp() == last_pos) {
LogNetcode("RoF2::ENCODE(OP_ItemPreviewRequest) Serialization failed");
safe_delete_array(in_buf);
safe_delete(in);
return;
}
in->size = buf.size();
in->pBuffer = buf.detach();
safe_delete_array(in_buf);
dest->FastQueuePacket(&in, ack_req);
}
ENCODE(OP_ItemVerifyReply)
{
ENCODE_LENGTH_EXACT(ItemVerifyReply_Struct);
@ -6857,12 +6884,13 @@ namespace RoF2
iqbs.Heirloom = 0;
iqbs.Placeable = 0;
iqbs.unknown28 = -1;
iqbs.unknown29 = packet_type == ItemPacketInvalid ? 0xFF : 0;
iqbs.unknown30 = -1;
iqbs.NoZone = 0;
iqbs.NoGround = 0;
iqbs.unknown37a = 0; // (guessed position) New to RoF2
iqbs.unknown38 = 0;
iqbs.unknown39 = 1;
iqbs.unknown39 = packet_type == ItemPacketInvalid ? 0 : 1;;
ob.write((const char*)&iqbs, sizeof(RoF2::structs::ItemQuaternaryBodyStruct));

3
common/patches/rof2_ops.h
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@ -1,5 +1,5 @@
/* EQEMu: Everquest Server Emulator
Copyright (C) 2001-2016 EQEMu Development Team (http://eqemulator.net)
This program is free software; you can redistribute it and/or modify
@ -92,6 +92,7 @@ E(OP_InspectBuffs)
E(OP_InspectRequest)
E(OP_ItemLinkResponse)
E(OP_ItemPacket)
E(OP_ItemPreviewRequest)
E(OP_ItemVerifyReply)
E(OP_LeadershipExpUpdate)
E(OP_LogServer)

1
utils/patches/patch_RoF2.conf
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@ -261,6 +261,7 @@ OP_ItemPacket=0x368e
OP_ItemLinkResponse=0x70c0
OP_ItemLinkClick=0x4cef
OP_ItemPreview=0x6b5c
OP_ItemPreviewRequest=0x7f80
OP_NewSpawn=0x6097
OP_Track=0x17e5
OP_TrackTarget=0x695e

2402
utils/scripts/opcode_scripts/opcodelist.txt
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File diff suppressed because it is too large Load Diff

25
zone/client_packet.cpp
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@ -283,6 +283,7 @@ void MapOpcodes()
ConnectedOpcodes[OP_ItemLinkResponse] = &Client::Handle_OP_ItemLinkResponse;
ConnectedOpcodes[OP_ItemName] = &Client::Handle_OP_ItemName;
ConnectedOpcodes[OP_ItemPreview] = &Client::Handle_OP_ItemPreview;
ConnectedOpcodes[OP_ItemPreviewRequest] = &Client::Handle_OP_ItemPreviewRequest;
ConnectedOpcodes[OP_ItemVerifyRequest] = &Client::Handle_OP_ItemVerifyRequest;
ConnectedOpcodes[OP_ItemViewUnknown] = &Client::Handle_OP_Ignore;
ConnectedOpcodes[OP_Jump] = &Client::Handle_OP_Jump;
@ -9300,6 +9301,30 @@ void Client::Handle_OP_ItemPreview(const EQApplicationPacket *app)
return;
}
void Client::Handle_OP_ItemPreviewRequest(const EQApplicationPacket* app)
{
VERIFY_PACKET_LENGTH(OP_ItemPreviewRequest, app, ItemPreview_Struct);
auto ips = (ItemPreview_Struct*) app->pBuffer;
const EQ::ItemData* item = database.GetItem(ips->itemid);
if (item) {
EQ::ItemInstance* inst = database.CreateItem(item);
if (inst) {
std::string packet = inst->Serialize(-1);
auto outapp = new EQApplicationPacket(OP_ItemPreviewRequest, packet.length());
memcpy(outapp->pBuffer, packet.c_str(), packet.length());
#if EQDEBUG >= 9
DumpPacket(outapp);
#endif
QueuePacket(outapp);
safe_delete(outapp);
safe_delete(inst);
}
}
}
void Client::Handle_OP_ItemVerifyRequest(const EQApplicationPacket *app)
{
using EQ::spells::CastingSlot;

1
zone/client_packet.h
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@ -189,6 +189,7 @@
void Handle_OP_ItemLinkResponse(const EQApplicationPacket *app);
void Handle_OP_ItemName(const EQApplicationPacket *app);
void Handle_OP_ItemPreview(const EQApplicationPacket *app);
void Handle_OP_ItemPreviewRequest(const EQApplicationPacket *app);
void Handle_OP_ItemVerifyRequest(const EQApplicationPacket *app);
void Handle_OP_Jump(const EQApplicationPacket *app);
void Handle_OP_KeyRing(const EQApplicationPacket *app);

1
zone/lua_packet.cpp
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@ -896,6 +896,7 @@ luabind::scope lua_register_packet_opcodes() {
luabind::value("Weblink", static_cast<int>(OP_Weblink)),
luabind::value("InspectMessageUpdate", static_cast<int>(OP_InspectMessageUpdate)),
luabind::value("ItemPreview", static_cast<int>(OP_ItemPreview)),
luabind::value("ItemPreviewRequest", static_cast<int>(OP_ItemPreviewRequest)),
luabind::value("MercenaryDataRequest", static_cast<int>(OP_MercenaryDataRequest)),
luabind::value("MercenaryDataResponse", static_cast<int>(OP_MercenaryDataResponse)),
luabind::value("MercenaryHire", static_cast<int>(OP_MercenaryHire)),