1 files changed, 80 insertions, 0 deletions
diff --git a/src/setting.h b/src/setting.h
new file mode 100644
index 0000000..7a1f44d
--- /dev/null
+++ b/src/setting.h
@@ -0,0 +1,80 @@
+//|_   _   _.     _  ._  |_   _.  _ |
+//| | (/_ (_| \/ (/_ | | | | (_| (_ |<
+
+#pragma once
+#include <vector>
+
+#include "fnv.h"
+
+extern void setting_save( const char* name, const void* src, U32 size );
+extern void setting_load( const char* name, const void* dst, U32 size );
+
+class SETTING_NODE {
+public:
+  virtual void load() {};
+  virtual void save() {};
+  virtual FNV1A get_hash() { return {}; };
+};
+
+template <typename t>
+class SETTING;
+
+class SETTING_HOLDER : SETTING_NODE {
+public:
+  SETTING_HOLDER() = default;
+  SETTING_HOLDER( SETTING_HOLDER* other ) { other->register_( this ); }
+  void register_( SETTING_NODE* node ) { nodes.push_back( node ); }
+
+  void save() override {
+    for( auto& it : nodes )
+      it->save();
+  }
+
+  void load() override {
+    for( auto& it : nodes )
+      it->load();
+  }
+
+  template <typename t>
+  SETTING<t>* find( FNV1A hash ) {
+    for( auto it : nodes ) {
+      if( it->get_hash() == hash )
+        return (SETTING<t>*)(it);
+    }
+
+    return 0;
+  }
+
+private:
+  VECTOR<SETTING_NODE*> nodes;
+};
+
+template < typename t >
+class SETTING : SETTING_NODE {
+public:
+  SETTING( SETTING_HOLDER* owner, const char* name, t _default = t{} ) :
+    m_owner( owner ),
+    m_name( name ),
+    v( _default ),
+    m_hash( fnv1a( name ) )
+  {
+    owner->register_( this );
+  };
+
+  __forceinline SETTING( const SETTING<t>& other ) : v( other.v ) {}
+  __forceinline SETTING( const t& other ) : v( other ) {}
+  
+  void save() override { setting_save( m_name, &v, sizeof( t ) ); }
+  void load() override { setting_load( m_name, &v, sizeof( t ) ); }
+
+  FNV1A get_hash() override { return m_hash; }
+
+  operator t&() { return v; }
+  t* operator&() { return &v; }
+  
+  t v;
+private:
+  SETTING_HOLDER* m_owner;
+  const char*     m_name;
+  FNV1A           m_hash;
+};
+\ No newline at end of file