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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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19
include/game/game_handler.hpp
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@ -466,6 +466,24 @@ public:
bool canUseWeaponSubclass(uint32_t subClass) const { return (weaponProficiency_ >> subClass) & 1u; }
bool canUseArmorSubclass(uint32_t subClass) const { return (armorProficiency_ >> subClass) & 1u; }
// Minimap pings from party members
struct MinimapPing {
uint64_t senderGuid = 0;
float wowX = 0.0f; // canonical WoW X (north)
float wowY = 0.0f; // canonical WoW Y (west)
float age = 0.0f; // seconds since received
static constexpr float LIFETIME = 5.0f;
bool isExpired() const { return age >= LIFETIME; }
};
const std::vector<MinimapPing>& getMinimapPings() const { return minimapPings_; }
void tickMinimapPings(float dt) {
for (auto& p : minimapPings_) p.age += dt;
minimapPings_.erase(
std::remove_if(minimapPings_.begin(), minimapPings_.end(),
[](const MinimapPing& p){ return p.isExpired(); }),
minimapPings_.end());
}
bool isCasting() const { return casting; }
bool isGameObjectInteractionCasting() const {
return casting && currentCastSpellId == 0 && pendingGameObjectInteractGuid_ != 0;
@ -1698,6 +1716,7 @@ private:
std::unordered_map<uint32_t, float> spellCooldowns; // spellId -> remaining seconds
uint32_t weaponProficiency_ = 0; // bitmask from SMSG_SET_PROFICIENCY itemClass=2
uint32_t armorProficiency_ = 0; // bitmask from SMSG_SET_PROFICIENCY itemClass=4
std::vector<MinimapPing> minimapPings_;
uint8_t castCount = 0;
bool casting = false;
uint32_t currentCastSpellId = 0;