implement in-game popups

1 files changed, 33 insertions, 0 deletions

diff --git a/lib/nes/app/ui/screen-freeze.cc b/lib/nes/app/ui/screen-freeze.cc
new file mode 100644
index 0000000..60410dd
--- /dev/null
+++ b/lib/nes/app/ui/screen-freeze.cc
@@ -0,0 +1,33 @@
+#include "nes/app/ui/screen-freeze.hh"
+#include "nes/app/graphics/renderer.hh"
+
+namespace nes::app
+{
+	auto screen_freeze::freeze(display const& disp) -> void
+	{
+		for (auto y = u32{ 0 }; y < display::height; ++y)
+		{
+			for (auto x = u32{ 0 }; x < display::width; ++x)
+			{
+				frozen_data_[y * display::width + x] = disp.get(x, y);
+			}
+		}
+	}
+
+	auto screen_freeze::render(renderer& renderer) -> void
+	{
+		auto& disp = renderer.get_display();
+		for (auto y = u32{ 0 }; y < display::height; ++y)
+		{
+			for (auto x = u32{ 0 }; x < display::width; ++x)
+			{
+				disp.set(x, y, frozen_data_[y * display::width + x]);
+			}
+		}
+	}
+
+	auto screen_freeze::process_events() -> action
+	{
+		return action{};
+	}
+} // namespace nes::app
\ No newline at end of file