try to get every chunk change saved to disk

[blank.git] / src / app / UnloadState.cpp

diff --git a/src/app/UnloadState.cpp b/src/app/UnloadState.cpp
new file mode 100644 (file)
index 0000000..49801bf
--- /dev/null
+++ b/src/app/UnloadState.cpp
@@ -0,0 +1,46 @@
+#include "UnloadState.hpp"
+
+#include "Environment.hpp"
+#include "../world/ChunkLoader.hpp"
+#include "../world/WorldSave.hpp"
+
+
+namespace blank {
+
+UnloadState::UnloadState(Environment &env, ChunkLoader &loader)
+: env(env)
+, loader(loader)
+, font(env.assets.LoadFont("DejaVuSans", 24))
+, progress(font)
+, cur(loader.Loaded().begin())
+, end(loader.Loaded().end())
+, done(0)
+, total(loader.Loaded().size())
+, per_update(64) {
+       progress.Position(glm::vec3(0.0f), Gravity::CENTER);
+       progress.Template("Unloading chunks: %d/%d (%d%%)");
+}
+
+
+void UnloadState::Handle(const SDL_Event &) {
+       // ignore everything
+}
+
+void UnloadState::Update(int dt) {
+       for (std::size_t i = 0; i < per_update && cur != end; ++i, ++cur, ++done) {
+               if (cur->ShouldUpdateSave()) {
+                       loader.SaveFile().Write(*cur);
+               }
+       }
+       if (cur == end) {
+               env.state.PopAll();
+       } else {
+               progress.Update(done, total);
+       }
+}
+
+void UnloadState::Render(Viewport &viewport) {
+       progress.Render(viewport);
+}
+
+}