69 lines
3.0 KiB
C++
69 lines
3.0 KiB
C++
#ifndef CREATURELIB_EFFECTPARAMETER_HPP
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#define CREATURELIB_EFFECTPARAMETER_HPP
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#include <Arbutils/ConstString.hpp>
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#include <Arbutils/Enum.hpp>
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#include <variant>
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#include "Exceptions/CreatureException.hpp"
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namespace CreatureLib::Library {
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ENUM(EffectParameterType, uint8_t, None, Bool, Int, Float, String);
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class EffectParameter {
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private:
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EffectParameterType _type = EffectParameterType::None;
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std::variant<bool, int64_t, float, Arbutils::CaseInsensitiveConstString> _value;
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public:
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EffectParameter() : _type(EffectParameterType::None){};
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explicit EffectParameter(bool b) : _type(EffectParameterType::Bool), _value(b){};
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explicit EffectParameter(int64_t i) : _type(EffectParameterType::Int), _value(i){};
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explicit EffectParameter(float f) : _type(EffectParameterType::Float), _value(f){};
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explicit EffectParameter(const Arbutils::CaseInsensitiveConstString& s)
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: _type(EffectParameterType::String), _value(s){};
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EffectParameter(const EffectParameter& other) = delete;
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EffectParameter& operator=(const EffectParameter& other) = delete;
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EffectParameterType GetType() const noexcept { return _type; }
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bool AsBool() const {
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if (_type != EffectParameterType::Bool) {
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std::stringstream ss;
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ss << "Cast effect parameter to bool, but was " << EffectParameterTypeHelper::ToString(_type);
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throw CreatureException(ss.str());
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}
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return std::get<bool>(_value);
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}
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int64_t AsInt() const {
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if (_type != EffectParameterType::Int) {
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if (_type == EffectParameterType::Float) {
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return static_cast<int64_t>(std::get<float>(_value));
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}
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std::stringstream ss;
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ss << "Cast effect parameter to int, but was " << EffectParameterTypeHelper::ToString(_type);
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throw CreatureException(ss.str());
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}
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return std::get<int64_t>(_value);
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}
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float AsFloat() const {
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if (_type != EffectParameterType::Float) {
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if (_type == EffectParameterType::Int) {
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return static_cast<float>(std::get<int64_t>(_value));
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}
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std::stringstream ss;
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ss << "Cast effect parameter to float, but was " << EffectParameterTypeHelper::ToString(_type);
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throw CreatureException(ss.str());
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}
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return std::get<float>(_value);
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}
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const Arbutils::CaseInsensitiveConstString& AsString() const {
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if (_type != EffectParameterType::String) {
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std::stringstream ss;
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ss << "Cast effect parameter to string, but was " << EffectParameterTypeHelper::ToString(_type);
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throw CreatureException(ss.str());
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}
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return std::get<Arbutils::CaseInsensitiveConstString>(_value);
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}
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};
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}
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#endif // CREATURELIB_EFFECTPARAMETER_HPP
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