Implements outlines for ItemLibrary, MoveLibrary and implements NatureLibrary.

src/Library/Natures/NatureLibrary.hpp

@@ -0,0 +1,49 @@
+#ifndef PKMNLIB_NATURELIBRARY_HPP
+#define PKMNLIB_NATURELIBRARY_HPP
+
+#include <Core/Exceptions/CreatureException.hpp>
+#include <unordered_map>
+#include <vector>
+#include "Nature.hpp"
+namespace PkmnLib::Library {
+    class NatureLibrary {
+    private:
+        std::unordered_map<std::string, uint8_t> _keyLookup;
+        std::vector<Nature> _natures;
+
+    public:
+        void LoadNature(const std::string& name, const Nature& nature) {
+            auto find = _keyLookup.find(name);
+            if (find != _keyLookup.end()) {
+                auto key = _keyLookup[name];
+                _natures[key] = nature;
+            } else {
+                _keyLookup[name] = _natures.size();
+                _natures.push_back(nature);
+            }
+        }
+
+        const Nature& GetNatureByName(const std::string& name) const {
+            auto find = _keyLookup.find(name);
+            if (find == _keyLookup.end()) {
+                throw CreatureException("Invalid nature name.");
+            }
+            return _natures[_keyLookup.at(name)];
+        }
+
+        const Nature& GetNature(uint8_t id) const{
+            return _natures[id];
+        }
+
+        uint8_t GetNatureId(const std::string& name) const{
+            auto find = _keyLookup.find(name);
+            if (find == _keyLookup.end()) {
+                throw CreatureException("Invalid nature name.");
+            }
+            return _keyLookup.at(name);
+
+        }
+    };
+}
+
+#endif // PKMNLIB_NATURELIBRARY_HPP