1 files changed, 139 insertions, 0 deletions
diff --git a/src/resources/questdb.h b/src/resources/questdb.h
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+/*
+ *  The Mana Client
+ *  Copyright (C) 2025  The Mana Developers
+ *
+ *  This file is part of The Mana Client.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "utils/xml.h"
+
+#include <map>
+#include <string>
+#include <vector>
+
+/**
+ * A map that returns a default value for non-existent keys.
+ */
+template<typename Key, typename Value, Value def = Value()>
+class MapWithDefault
+{
+public:
+    void set(Key key, Value value)
+    {
+        mVars[key] = value;
+    }
+
+    Value get(Key key) const
+    {
+        auto it = mVars.find(key);
+        return it != mVars.end() ? it->second : def;
+    }
+
+    void clear()
+    {
+        mVars.clear();
+    }
+
+private:
+    std::map<Key, Value> mVars;
+};
+
+struct QuestEffect
+{
+    std::vector<int> values;        // Quest variable values to which the effect applies
+    std::string map;                // Map name the NPC is located on
+    int npcId = 0;
+    int statusEffectId = 0;
+};
+
+// Map of quest variables, from variable ID to value
+using QuestVars = MapWithDefault<int, int>;
+
+// Map of quest effects, from NPC ID to status effect ID
+using QuestEffectMap = MapWithDefault<int, int>;
+
+enum class QuestRowType
+{
+    Text,
+    Name,
+    Reward,
+    Giver,
+    Coordinates,
+    NPC
+};
+
+struct QuestRow
+{
+    QuestRow(QuestRowType type)
+        : type(type)
+    {}
+
+    QuestRowType type;
+    std::string text;
+    int x = 0;
+    int y = 0;
+};
+
+struct QuestState
+{
+    std::string name;               // Name of the quest in this state
+    std::string group;              // Group name of the quest in this state
+    std::vector<int> incomplete;    // Quest variable values for this state (quest incomplete)
+    std::vector<int> complete;      // Quest variable values for this state (quest complete)
+    std::vector<QuestRow> rows;     // Rows of text in the Quests window for this state
+};
+
+struct Quest
+{
+    std::vector<QuestEffect> effects;
+    std::vector<QuestState> states;
+};
+
+struct QuestEntry
+{
+    int varId;
+    bool completed;
+    const QuestState *state;
+
+    const std::string &name() const { return state->name; }
+    const std::vector<QuestRow> &rows() const { return state->rows; }
+};
+
+enum class QuestChange
+{
+    None,
+    New,
+    Completed
+};
+
+namespace QuestDB
+{
+    void init();
+    void readQuestVarNode(XML::Node node, const std::string &filename);
+    void unload();
+
+    bool hasQuests();
+
+    QuestEffectMap getActiveEffects(const QuestVars &questVars,
+                                    const std::string &mapName);
+
+    std::vector<QuestEntry> getQuestsEntries(const QuestVars &questVars,
+                                             bool skipCompleted = false);
+
+    QuestChange questChange(int varId, int oldValue, int newValue);
+};