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Handle vanilla weather and play-music opcode aliases

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Kelsi 2026-02-18 03:23:37 -08:00
parent bd0ce17794
commit 1ad3f47baf
1 changed files with 41 additions and 0 deletions
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41
src/game/game_handler.cpp
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@ -648,6 +648,47 @@ void GameHandler::handlePacket(network::Packet& packet) {
}
uint16_t opcode = packet.getOpcode();
// Vanilla compatibility aliases:
// - 0x006B: SMSG_WEATHER (some vanilla-family servers)
// - 0x0103: SMSG_PLAY_MUSIC (some vanilla-family servers)
//
// We gate these by payload shape so expansion-native mappings remain intact.
if (opcode == 0x006B) {
// Expected weather payload: uint32 weatherType, float intensity, uint8 abrupt
if (packet.getSize() - packet.getReadPos() >= 9) {
uint32_t wType = packet.readUInt32();
float wIntensity = packet.readFloat();
uint8_t abrupt = packet.readUInt8();
bool plausibleWeather =
(wType <= 3) &&
std::isfinite(wIntensity) &&
(wIntensity >= 0.0f && wIntensity <= 1.5f) &&
(abrupt <= 1);
if (plausibleWeather) {
weatherType_ = wType;
weatherIntensity_ = wIntensity;
const char* typeName =
(wType == 1) ? "Rain" :
(wType == 2) ? "Snow" :
(wType == 3) ? "Storm" : "Clear";
LOG_INFO("Weather changed (0x006B alias): type=", wType,
" (", typeName, "), intensity=", wIntensity,
", abrupt=", static_cast<int>(abrupt));
return;
}
// Not weather-shaped: rewind and fall through to normal opcode table handling.
packet.setReadPos(0);
}
} else if (opcode == 0x0103) {
// Expected play-music payload: uint32 sound/music id
if (packet.getSize() - packet.getReadPos() == 4) {
uint32_t soundId = packet.readUInt32();
LOG_INFO("SMSG_PLAY_MUSIC (0x0103 alias): soundId=", soundId);
return;
}
}
auto preLogicalOp = opcodeTable_.fromWire(opcode);
if (wardenGateSeen_ && (!preLogicalOp || *preLogicalOp != Opcode::SMSG_WARDEN_DATA)) {
++wardenPacketsAfterGate_;