[nostalgia/core/studio] Put TileSheetEditor draw command in UndoCommand

2022-02-13 23:23:59 -06:00
parent 4f69f027ef
commit d792e4c515
7 changed files with 123 additions and 43 deletions
@@ -9,12 +9,33 @@
 namespace nostalgia::core {

 TileSheetEditorModel::TileSheetEditorModel(Context *ctx, const ox::String &path) {
-	// build shaders
 	oxRequireT(img, readObj<NostalgiaGraphic>(ctx, path.c_str()));
-	m_img = std::move(*img);
+	m_img = *img;
 	oxThrowError(readObj<NostalgiaPalette>(ctx, m_img.defaultPalette).moveTo(&m_pal));
 }

+void TileSheetEditorModel::draw(const geo::Point &pt, std::size_t palIdx) noexcept {
+	if (!m_ongoingDrawCommand) {
+		m_ongoingDrawCommand = new DrawCommand(&m_img, ptToIdx(pt, m_img.columns), palIdx);
+		m_undoStack.push(m_ongoingDrawCommand);
+		m_updated = true;
+	} else {
+		m_updated = m_ongoingDrawCommand->append(ptToIdx(pt, m_img.columns));
+	}
+}
+
+void TileSheetEditorModel::endDraw() noexcept {
+	m_ongoingDrawCommand = nullptr;
+}
+
+bool TileSheetEditorModel::updated() const noexcept {
+	return m_updated;
+}
+
+void TileSheetEditorModel::ackUpdate() noexcept {
+	m_updated = false;
+}
+
 void TileSheetEditorModel::getFillPixels(bool *pixels, geo::Point pt, int oldColor) const noexcept {
 	const auto tileIdx = [this](const geo::Point &pt) noexcept {
 		return ptToIdx(pt, img().columns) / PixelsPerTile;