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feat: implement SMSG_PLAY_SPELL_VISUAL with SpellVisual DBC chain lookup

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Parse SMSG_PLAY_SPELL_VISUAL (casterGuid + visualId) and spawn a
transient M2 spell effect at the caster's world position.

DBC chain: SpellVisual.dbc → SpellVisualKit.dbc → SpellVisualEffectName.dbc
Lookup priority: CastKit.SpecialEffect0, fallback to MissileModel.
Models are lazy-loaded and cached by path; instances auto-expire after 3.5s.
DBC layouts added to all four expansion layout files (Classic/TBC/WotLK/Turtle).
This commit is contained in:
Kelsi 2026-03-17 18:23:05 -07:00
parent 06ad676be1
commit 315adfbe93
7 changed files with 245 additions and 3 deletions
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20
src/game/game_handler.cpp
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@ -3265,10 +3265,24 @@ void GameHandler::handlePacket(network::Packet& packet) {
handleSpellDamageLog(packet);
break;
case Opcode::SMSG_PLAY_SPELL_VISUAL: {
// Minimal parse: uint64 casterGuid, uint32 visualId
// uint64 casterGuid + uint32 visualId
if (packet.getSize() - packet.getReadPos() < 12) break;
packet.readUInt64();
packet.readUInt32();
uint64_t casterGuid = packet.readUInt64();
uint32_t visualId = packet.readUInt32();
if (visualId == 0) break;
// Resolve caster world position and spawn the effect
auto* renderer = core::Application::getInstance().getRenderer();
if (!renderer) break;
glm::vec3 spawnPos;
if (casterGuid == playerGuid) {
spawnPos = renderer->getCharacterPosition();
} else {
auto entity = entityManager.getEntity(casterGuid);
if (!entity) break;
glm::vec3 canonical(entity->getLatestX(), entity->getLatestY(), entity->getLatestZ());
spawnPos = core::coords::canonicalToRender(canonical);
}
renderer->playSpellVisual(visualId, spawnPos);
break;
}
case Opcode::SMSG_SPELLHEALLOG: