Trait.h

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#pragma once
#include "common/Export.h"
 
 
#include <string>
#include <unordered_map>
#include <vector>
 
namespace eve::rpg {
 
struct TraitSpec {
    std::string kind;
    std::string target;
    double value = 0.0;
};
 
struct EVENGINE_API_PLATFORM TraitDefinition {
    std::string id;
    std::vector<TraitSpec> traits;
    std::vector<std::string> tags;
    std::unordered_map<std::string, std::string> extra;
 
    bool hasTag(const std::string &tag) const;
    std::string getExtra(const std::string &key, const std::string &fallback = {}) const;
};
 
class EVENGINE_API_PLATFORM TraitRegistry {
public:
    static void registerTrait(const TraitDefinition &def);
    static const TraitDefinition *find(const std::string &id);
    static bool remove(const std::string &id);
    static void clear();
    static int count();
 
    static int loadFromJson(const std::string &json, std::string *error = nullptr);
};
 
}  // namespace eve::rpg