Fix missions re-ordering on reload (#686)

* Fix missions re-ordering on reload

Check for success rather than failure

* Add a comment

* Get base value from database

* Update Mission.h

dGame/dComponents/MissionComponent.cpp

@@ -24,6 +24,7 @@ std::unordered_map<size_t, std::vector<uint32_t>> MissionComponent::m_Achievemen
 
 //! Initializer
 MissionComponent::MissionComponent(Entity* parent) : Component(parent) {
+	m_LastUsedMissionOrderUID = dZoneManager::Instance()->GetUniqueMissionIdStartingValue();
 }
 
 //! Destructor
@@ -83,6 +84,7 @@ void MissionComponent::AcceptMission(const uint32_t missionId, const bool skipCh
 	if (mission != nullptr) {
 		if (mission->GetClientInfo().repeatable) {
 			mission->Accept();
+			if (mission->IsMission()) mission->SetUniqueMissionOrderID(++m_LastUsedMissionOrderUID);
 		}
 
 		return;
@@ -90,6 +92,8 @@ void MissionComponent::AcceptMission(const uint32_t missionId, const bool skipCh
 
 	mission = new Mission(this, missionId);
 
+	if (mission->IsMission()) mission->SetUniqueMissionOrderID(++m_LastUsedMissionOrderUID);
+
 	mission->Accept();
 
 	this->m_Missions.insert_or_assign(missionId, mission);
@@ -299,6 +303,8 @@ bool MissionComponent::LookForAchievements(MissionTaskType type, int32_t value,
 
 		m_Missions.insert_or_assign(missionID, instance);
 
+		if (instance->IsMission()) instance->SetUniqueMissionOrderID(++m_LastUsedMissionOrderUID);
+
 		instance->Accept();
 
 		any = true;
@@ -368,6 +374,8 @@ bool MissionComponent::LookForAchievements(MissionTaskType type, int32_t value,
 
 		m_Missions.insert_or_assign(mission.id, instance);
 
+		if (instance->IsMission()) instance->SetUniqueMissionOrderID(++m_LastUsedMissionOrderUID);
+
 		instance->Accept();
 
 		any = true;
@@ -523,6 +531,7 @@ void MissionComponent::LoadFromXml(tinyxml2::XMLDocument* doc) {
 
 	auto* currentM = cur->FirstChildElement();
 
+	uint32_t missionOrder{};
 	while (currentM) {
 		int missionId;
 
@@ -532,6 +541,11 @@ void MissionComponent::LoadFromXml(tinyxml2::XMLDocument* doc) {
 
 		mission->LoadFromXml(currentM);
 
+		if (currentM->QueryAttribute("o", &missionOrder) == tinyxml2::XML_SUCCESS && mission->IsMission()) {
+			mission->SetUniqueMissionOrderID(missionOrder);
+			if (missionOrder > m_LastUsedMissionOrderUID) m_LastUsedMissionOrderUID = missionOrder;
+		}
+
 		currentM = currentM->NextSiblingElement();
 
 		m_Missions.insert_or_assign(missionId, mission);
@@ -565,17 +579,16 @@ void MissionComponent::UpdateXml(tinyxml2::XMLDocument* doc) {
 		if (mission) {
 			const auto complete = mission->IsComplete();
 
-			if (complete) {
+			auto* m = doc->NewElement("m");
-				auto* m = doc->NewElement("m");
 
+			if (complete) {
 				mission->UpdateXml(m);
 
 				done->LinkEndChild(m);
 
 				continue;
 			}
-
+			if (mission->IsMission()) m->SetAttribute("o", mission->GetUniqueMissionOrderID());
-			auto* m = doc->NewElement("m");
 
 			mission->UpdateXml(m);
 

dGame/dComponents/MissionComponent.h

@@ -193,6 +193,13 @@ private:
 	 * combination of tasks and values, so that they can be easily re-queried later
 	 */
 	static std::unordered_map<size_t, std::vector<uint32_t>> m_AchievementCache;
+
+	/**
+	 * Order of missions in the UI.  This value is incremented by 1
+	 * for each mission the Entity that owns this component accepts.
+	 * In live this value started at 745.
+	 */
+	uint32_t m_LastUsedMissionOrderUID = 746U;
 };
 
 #endif // MISSIONCOMPONENT_H

dGame/dMission/Mission.cpp

@@ -26,6 +26,8 @@ Mission::Mission(MissionComponent* missionComponent, const uint32_t missionId) {
 
 	m_Timestamp = 0;
 
+	m_UniqueMissionID = dZoneManager::Instance()->GetUniqueMissionIdStartingValue();
+
 	m_Reward = 0;
 
 	m_State = MissionState::MISSION_STATE_UNKNOWN;
@@ -283,6 +285,7 @@ void Mission::Accept() {
 
 void Mission::Complete(const bool yieldRewards) {
 	if (m_State != MissionState::MISSION_STATE_ACTIVE && m_State != MissionState::MISSION_STATE_COMPLETE_ACTIVE) {
+		// If we are accepting a mission here there is no point to giving it a unique ID since we just complete it immediately.
 		Accept();
 	}
 

dGame/dMission/Mission.h

@@ -220,6 +220,18 @@ public:
 	 * @return true if the mission exists, false otherwise
 	 */
 	static bool IsValidMission(uint32_t missionId, CDMissions& info);
+
+	/**
+	 * @brief Returns the unique mission order ID
+	 * 
+	 * @return The unique order ID
+	 */
+	uint32_t GetUniqueMissionOrderID() { return m_UniqueMissionID; };
+
+	/**
+	 * Sets the unique mission order ID of this mission
+	 */
+	void SetUniqueMissionOrderID(uint32_t value) { m_UniqueMissionID = value; };
 private:
 	/**
 	 * Progresses all the newly accepted tasks for this mission after it has been accepted to reflect the state of the
@@ -261,6 +273,11 @@ private:
 	 * All the tasks that can be progressed for this mission
 	 */
 	std::vector<MissionTask*> m_Tasks;
+
+	/**
+	 * The unique ID what order this mission was accepted in.
+	 */
+	uint32_t m_UniqueMissionID;
 };
 
 #endif

dZoneManager/dZoneManager.cpp

@@ -240,3 +240,12 @@ std::vector<Spawner*> dZoneManager::GetSpawnersInGroup(std::string group) {
 
 	return spawnersInGroup;
 }
+
+uint32_t dZoneManager::GetUniqueMissionIdStartingValue() {
+	if (m_UniqueMissionIdStart == 0) {
+		auto tableData = CDClientDatabase::ExecuteQuery("SELECT COUNT(*) FROM Missions WHERE isMission = 0 GROUP BY isMission;");
+		m_UniqueMissionIdStart = tableData.getIntField(0, -1);
+		tableData.finalize();
+	}
+	return m_UniqueMissionIdStart;
+}

dZoneManager/dZoneManager.h

@@ -43,6 +43,7 @@ public:
 	void Update(float deltaTime);
 	Entity* GetZoneControlObject() { return m_ZoneControlObject; }
 	bool GetPlayerLoseCoinOnDeath() { return m_PlayerLoseCoinsOnDeath; }
+	uint32_t GetUniqueMissionIdStartingValue();
 
 private:
 	/**
@@ -55,6 +56,11 @@ private:
 	 */
 	int32_t m_CurrencyConversionRate = 0;
 
+	/**
+	 * The starting unique mission ID.
+	 */
+	uint32_t m_UniqueMissionIdStart = 0;
+
 	static dZoneManager* m_Address; //Singleton
 	Zone* m_pZone;
 	LWOZONEID m_ZoneID;