rewrite quest metadata indexing

- split ep3 download quests from quest index
- fix Ep3 NTE download quests
- automatically detect battle/challenge params and area remaps

src/QuestMetadata.hh

@@ -0,0 +1,52 @@
+#pragma once
+
+#include <stdint.h>
+
+#include <map>
+#include <memory>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+#include "CommonItemSet.hh"
+#include "IntegralExpression.hh"
+#include "Map.hh"
+#include "PlayerSubordinates.hh"
+#include "RareItemSet.hh"
+
+struct QuestMetadata {
+  // This structure contains configuration that should be the same across all
+  // versions of the quest, except for the name and description strings. This
+  // is used in both the Quest and VersionedQuest structures; in Quest, the
+  // name and description are used only internally.
+  uint32_t category_id = 0xFFFFFFFF;
+  uint32_t quest_number = 0xFFFFFFFF;
+  Episode episode = Episode::NONE;
+  std::array<uint8_t, 0x12> area_for_floor;
+  bool joinable = false;
+  uint8_t max_players = 0x00;
+  std::shared_ptr<const BattleRules> battle_rules;
+  ssize_t challenge_template_index = -1;
+  float challenge_exp_multiplier = -1.0f;
+  int8_t challenge_difficulty = -1;
+  uint8_t description_flag = 0x00;
+  std::shared_ptr<const IntegralExpression> available_expression;
+  std::shared_ptr<const IntegralExpression> enabled_expression;
+  std::string common_item_set_name; // blank = use default
+  std::string rare_item_set_name; // blank = use default
+  std::shared_ptr<const CommonItemSet> common_item_set;
+  std::shared_ptr<const RareItemSet> rare_item_set;
+  uint8_t allowed_drop_modes = 0x00; // 0 = use server default
+  ServerDropMode default_drop_mode = ServerDropMode::CLIENT; // Ignored if allowed_drop_modes == 0
+  bool allow_start_from_chat_command = false;
+  int16_t lock_status_register = -1;
+
+  std::string name;
+  std::string short_description;
+  std::string long_description;
+
+  void assign_default_areas(Version version, Episode episode);
+  void assert_compatible(const QuestMetadata& other) const;
+  phosg::JSON json() const;
+  std::string areas_str() const;
+};