GameState.h

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#pragma once
#include "common/Export.h"
 
 
#include "common/Result.h"
 
#include <string>
#include <string_view>
#include <unordered_map>
 
namespace eve::rpg {
 
class RPGSaveSession;
 
class EVENGINE_API_PLATFORM GameState {
public:
    GameState() = default;
 
    void setSwitch(const std::string &name, bool on);
    void switchOn(const std::string &name);
    void switchOff(const std::string &name);
    bool isSwitchOn(const std::string &name) const;
 
    void setVariable(const std::string &name, double value);
    double getVariable(const std::string &name) const;
    void addVariable(const std::string &name, double delta);
 
    void setSelfVariable(const std::string &scope, const std::string &name, double value);
    double getSelfVariable(const std::string &scope, const std::string &name) const;
    bool hasSelfVariable(const std::string &scope, const std::string &name) const;
 
    void setSelfString(const std::string &scope, const std::string &name, std::string value);
    [[nodiscard]] std::string getSelfString(const std::string &scope, const std::string &name) const;
    [[nodiscard]] bool hasSelfString(const std::string &scope, const std::string &name) const;
    void clearSelfString(const std::string &scope, const std::string &name);
 
    void clear();
 
    [[nodiscard]] eve::Result<std::string> snapshotJson() const;
 
    [[nodiscard]] eve::Result<void> restoreSnapshotJson(std::string_view json);
 
    static GameState &global();
 
private:
    friend class RPGSaveSession;
    std::unordered_map<std::string, bool> switches_;
    std::unordered_map<std::string, double> variables_;
    std::unordered_map<std::string, std::unordered_map<std::string, double>> selfVariables_;
    std::unordered_map<std::string, std::unordered_map<std::string, std::string>> selfStrings_;
};
 
}  // namespace eve::rpg