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Implement minimap ping: parse MSG_MINIMAP_PING and render animated ping circles

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Parse party member minimap pings (packed GUID + posX + posY), store with
5s lifetime, and render as expanding concentric circles on the minimap.
This commit is contained in:
Kelsi 2026-03-09 20:36:20 -07:00
parent 0562139868
commit 95e8fcb88e
3 changed files with 53 additions and 3 deletions
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18
src/game/game_handler.cpp
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@ -779,6 +779,7 @@ void GameHandler::update(float deltaTime) {
// Update combat text (Phase 2)
updateCombatText(deltaTime);
tickMinimapPings(deltaTime);
// Update taxi landing cooldown
if (taxiLandingCooldown_ > 0.0f) {
@ -2588,10 +2589,21 @@ void GameHandler::handlePacket(network::Packet& packet) {
case Opcode::SMSG_FISH_ESCAPED:
addSystemChatMessage("Your fish escaped!");
break;
case Opcode::MSG_MINIMAP_PING:
// Minimap ping from a party member — consume; no visual support yet.
packet.setReadPos(packet.getSize());
case Opcode::MSG_MINIMAP_PING: {
// SMSG: packed_guid + float posX (canonical WoW Y=west) + float posY (canonical WoW X=north)
if (packet.getSize() - packet.getReadPos() < 1) break;
uint64_t senderGuid = UpdateObjectParser::readPackedGuid(packet);
if (packet.getSize() - packet.getReadPos() < 8) break;
float pingX = packet.readFloat(); // server sends map-coord X (east-west)
float pingY = packet.readFloat(); // server sends map-coord Y (north-south)
MinimapPing ping;
ping.senderGuid = senderGuid;
ping.wowX = pingY; // canonical WoW X = north = server's posY
ping.wowY = pingX; // canonical WoW Y = west = server's posX
ping.age = 0.0f;
minimapPings_.push_back(ping);
break;
}
case Opcode::SMSG_ZONE_UNDER_ATTACK: {
// uint32 areaId
if (packet.getSize() - packet.getReadPos() >= 4) {