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Update mob_appearance.cpp

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This commit is contained in:
Chris Miles 2025-06-12 01:56:43 -05:00
parent bdc81087c5
commit fb5004db3d
1 changed files with 14 additions and 9 deletions
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23
zone/mob_appearance.cpp
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@ -404,20 +404,25 @@ void Mob::SendWearChange(uint8 material_slot, Client *one_client)
// it includes spawn_id, material, elite_material, hero_forge_model, wear_slot_id, and color
// we send an enormous amount of wearchange packets in brute-force fashion and this is a low cost way to deduplicate them
// we could remove all of the extra wearchanges at the expense of tracing down intermittent visual bugs over a long time
auto build_key = [&](const WearChange_Struct& s) -> uint64_t {
auto build_key = [&](const WearChange_Struct& s) -> uint64_t
{
uint64_t key = 0;
key |= static_cast<uint64_t>(s.material & 0xFFF) << 0; // 12 bits
key |= static_cast<uint64_t>(s.elite_material) << 12; // 1 bit
key |= static_cast<uint64_t>(s.hero_forge_model & 0xFFFFF) << 13; // 20 bits
key |= static_cast<uint64_t>(GetRace() & 0xFFFF) << 33; // 16 bits
key |= static_cast<uint64_t>(s.wear_slot_id & 0xFF) << 49; // 8 bits
// Fold spawn_id and color into remaining entropy space via XOR
key ^= static_cast<uint64_t>(s.spawn_id) * 0x85EBCA77C2B2AE63ull;
key ^= static_cast<uint64_t>(s.color.Color) * 0x9E3779B97F4A7C15ull;
// Bit layout:
// Bits 0–11 : material (12 bits)
// Bits 12 : elite_material (1 bit)
// Bits 13–32 : hero_forge_model (20 bits)
// Bits 33–48 : race (16 bits)
// Bits 49–56 : wear_slot_id (8 bits)
key |= static_cast<uint64_t>(s.material & 0xFFF) << 0;
key |= static_cast<uint64_t>(s.elite_material & 0x1) << 12;
key |= static_cast<uint64_t>(s.hero_forge_model & 0xFFFFF) << 13;
key |= static_cast<uint64_t>(GetRace() & 0xFFFF) << 33;
key |= static_cast<uint64_t>(s.wear_slot_id & 0xFF) << 49;
return key;
};
static auto dedupe_key = build_key(*w);
auto send_if_changed = [&](Client* client) {