add quest journal (QuestJournal + split UI view)

src/quest/QuestJournal.h

@@ -0,0 +1,35 @@
+#pragma once
+
+#include "quest/QuestTypes.h"
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+namespace ZL::Quest {
+
+class QuestJournal {
+public:
+	bool loadFromFile(const std::string& path, const std::string& zipFile = "");
+
+	bool unlockQuest(const std::string& questId);
+	bool startQuest(const std::string& questId);
+	bool completeQuest(const std::string& questId);
+	bool failQuest(const std::string& questId);
+
+	bool setObjectiveCompleted(const std::string& questId, const std::string& objectiveId, bool completed = true);
+	bool setActiveObjective(const std::string& questId, int objectiveIndex);
+
+	QuestState* findQuest(const std::string& questId);
+	const QuestState* findQuest(const std::string& questId) const;
+
+	std::vector<QuestState*> getVisibleQuests();
+	std::vector<const QuestState*> getVisibleQuests() const;
+
+private:
+	std::unordered_map<std::string, QuestState> quests;
+	std::vector<std::string> questOrder;
+
+	bool setStatus(const std::string& questId, QuestStatus status);
+};
+
+} // namespace ZL::Quest