[nostalgia/core/studio] Add ability to insert tile

src/nostalgia/core/consts.hpp

@@ -3,6 +3,8 @@
 
 namespace nostalgia::core {
 
+constexpr auto PixelsPerTile = 64;
+
 constexpr auto FileExt_ng = ".ng";
 constexpr auto FileExt_npal = ".npal";
 

src/nostalgia/core/studio/TileSheetEditor.qml

@@ -19,13 +19,23 @@ Rectangle {
 		id: mouseArea
 		width: tileSheetEditor.width
 		height: tileSheetEditor.height
-		acceptedButtons: Qt.LeftButton
+		acceptedButtons: Qt.LeftButton | Qt.RightButton
+
+		onClicked: {
+			if (mouse.button === Qt.RightButton) {
+				contextMenu.popup();
+			} else {
+				contextMenu.dismiss();
+			}
+		}
 
 		onPressed: {
-			var pixel = pixelAt(mouseX, mouseY);
-			if (pixel) {
-				sheetData.beginCmd()
-				sheetData.updatePixel(pixel)
+			if (mouse.button === Qt.LeftButton && !contextMenu.visible) {
+				var pixel = pixelAt(mouseX, mouseY);
+				if (pixel) {
+					sheetData.beginCmd();
+					sheetData.updatePixel(pixel);
+				}
 			}
 		}
 
@@ -75,10 +85,28 @@ Rectangle {
 			wheel.accepted = true;
 		}
 
+		Menu {
+			id: contextMenu
+
+			MenuItem {
+				text: "Insert Tile"
+				onTriggered: {
+					var tile = mouseArea.tileAt(contextMenu.x, contextMenu.y);
+					sheetData.insertTileCmd(tile.tileNumber);
+				}
+			}
+		}
+
 		onPositionChanged: sheetData.updatePixel(pixelAt(mouseX, mouseY))
 		onReleased: sheetData.endCmd()
 		onCanceled: sheetData.endCmd()
 
+		function tileAt(x, y) {
+			var gridX = x - tileGrid.x;
+			var gridY = y - tileGrid.y;
+			return tileGrid.childAt(gridX, gridY);
+		}
+
 		function pixelAt(x, y) {
 			var gridX = x - tileGrid.x;
 			var gridY = y - tileGrid.y;

src/nostalgia/core/studio/consts.hpp

@@ -18,6 +18,7 @@ constexpr auto PaletteDir = "/Palettes/";
 enum class CommandId {
 	UpdatePixel = 1,
 	UpdateDimension = 2,
+	InsertTile = 3,
 };
 
 }

src/nostalgia/core/studio/tilesheeteditor.cpp

@@ -186,6 +186,34 @@ class UpdatePixelsCommand: public QUndoCommand {
 };
 
 
+class InsertTileCommand: public QUndoCommand {
+	private:
+		SheetData *m_sheetData = nullptr;
+		int m_idx = 0;
+
+	public:
+		InsertTileCommand(SheetData *sheetData, int idx) {
+			m_sheetData = sheetData;
+			m_idx = idx;
+		}
+
+		virtual ~InsertTileCommand() = default;
+
+		int id() const override {
+			return static_cast<int>(CommandId::InsertTile);
+		}
+
+		void redo() override {
+			m_sheetData->insertTile(m_idx);
+		}
+
+		void undo() override {
+			m_sheetData->deleteTile(m_idx);
+		}
+
+};
+
+
 void SheetData::updatePixel(QVariant pixelItem) {
 	auto p = qobject_cast<QQuickItem*>(pixelItem.value<QObject*>());
 	if (p && p != m_prevPixelUpdated) {
@@ -195,6 +223,18 @@ void SheetData::updatePixel(QVariant pixelItem) {
 	}
 }
 
+void SheetData::beginCmd() {
+	++m_cmdIdx;
+}
+
+void SheetData::endCmd() {
+	m_prevPixelUpdated = nullptr;
+}
+
+void SheetData::insertTileCmd(int tileIdx) {
+	m_cmdStack.push(new InsertTileCommand(this, tileIdx));
+}
+
 int SheetData::columns() const {
 	return m_columns;
 }
@@ -262,6 +302,17 @@ void SheetData::setPalette(const studio::Context *ctx, QString palPath) {
 	emit changeOccurred();
 }
 
+void SheetData::insertTile(int tileIdx) {
+	m_pixels.insert(tileIdx * PixelsPerTile, PixelsPerTile, 0);
+	emit pixelsChanged();
+	emit changeOccurred();
+}
+
+void SheetData::deleteTile(int tileIdx) {
+	m_pixels.remove(tileIdx * PixelsPerTile, PixelsPerTile);
+	emit pixelsChanged();
+}
+
 void SheetData::setSelectedColor(int index) {
 	m_selectedColor = index;
 }
@@ -334,15 +385,6 @@ std::unique_ptr<NostalgiaGraphic> SheetData::toNostalgiaGraphic() const {
 	return ng;
 }
 
-void SheetData::beginCmd() {
-	++m_cmdIdx;
-}
-
-void SheetData::endCmd() {
-	m_prevPixelUpdated = nullptr;
-}
-
-
 TileSheetEditor::TileSheetEditor(QString path, const studio::Context *ctx, QWidget *parent): studio::Editor(parent) {
 	m_ctx = ctx;
 	m_itemPath = path;

src/nostalgia/core/studio/tilesheeteditor.hpp

@@ -43,6 +43,8 @@ class SheetData: public QObject {
 
 		Q_INVOKABLE void endCmd();
 
+		Q_INVOKABLE void insertTileCmd(int tileIdx);
+
 		[[nodiscard]] int columns() const;
 
 		[[nodiscard]] int rows() const;
@@ -61,6 +63,10 @@ class SheetData: public QObject {
 
 		void setPalette(const studio::Context *ctx, QString palPath);
 
+		void insertTile(int tileIdx);
+
+		void deleteTile(int tileIdx);
+
 		void setSelectedColor(int index);
 
 		QUndoStack *undoStack();