Remove Unused Stuff

source/Sheet.cpp

@@ -20,6 +20,7 @@
 #include <renderd7/internal_db.hpp>
 
 Result RenderD7::Sheet::Load(const std::string& path) {
+  if (this->spritesheet) Free();
   this->spritesheet = C2D_SpriteSheetLoad(path.c_str());
   if (!this->spritesheet) {
     _rd7i_logger()->Write("Failed to Load Spritesheet from: " + path, 0);
@@ -32,3 +33,10 @@ void RenderD7::Sheet::Free() {
   C2D_SpriteSheetFree(this->spritesheet);
   this->spritesheet = nullptr;
 }
+
+RenderD7::Image::Ref RenderD7::Sheet::GetImage(int idx) {
+  if (!this->spritesheet) return nullptr;
+  Image::Ref img = Image::New();
+  img->GetRef() = C2D_SpriteSheetGetImage(this->spritesheet, idx);
+  return img;
+}