Replace void* for script parameter with EffectParameter class.

src/Library/EffectParameter.hpp

@@ -0,0 +1,53 @@
+#ifndef CREATURELIB_EFFECTPARAMETER_HPP
+#define CREATURELIB_EFFECTPARAMETER_HPP
+#include <Arbutils/Enum.hpp>
+#include <cstring>
+#include "Exceptions/CreatureException.hpp"
+
+namespace CreatureLib::Library {
+    ENUM(EffectParameterType, uint8_t, None, Bool, Int, String);
+
+    class EffectParameter {
+    private:
+        EffectParameterType _type = EffectParameterType::None;
+        void* _val;
+
+    public:
+        EffectParameter() : _type(EffectParameterType::None), _val(nullptr){};
+        EffectParameter(bool b) : _type(EffectParameterType::Bool), _val((void*)b){};
+        EffectParameter(int64_t i) : _type(EffectParameterType::Int), _val((void*)i){};
+        EffectParameter(const std::string& s) : _type(EffectParameterType::String), _val(new char[s.size() + 1]) {
+            strncpy((char*)_val, s.c_str(), s.size() + 1);
+        };
+        EffectParameter(const EffectParameter& other) = delete;
+        EffectParameter& operator=(const EffectParameter& other) = delete;
+
+        EffectParameterType GetType() const noexcept { return _type; }
+        bool AsBool() const {
+            if (_type != EffectParameterType::Bool) {
+                std::stringstream ss;
+                ss << "Cast effect parameter to bool, but was " << EffectParameterTypeHelper::ToString(_type);
+                throw CreatureException(ss.str());
+            }
+            return (bool)_val;
+        }
+        int64_t AsInt() const {
+            if (_type != EffectParameterType::Int) {
+                std::stringstream ss;
+                ss << "Cast effect parameter to int, but was " << EffectParameterTypeHelper::ToString(_type);
+                throw CreatureException(ss.str());
+            }
+            return reinterpret_cast<int64_t>(_val);
+        }
+        const char* AsString() const {
+            if (_type != EffectParameterType::String) {
+                std::stringstream ss;
+                ss << "Cast effect parameter to string, but was " << EffectParameterTypeHelper::ToString(_type);
+                throw CreatureException(ss.str());
+            }
+            return (char*)_val;
+        }
+    };
+}
+
+#endif // CREATURELIB_EFFECTPARAMETER_HPP