onclick functional

app/src/main/java/chess/view/DDDrender/DDDView.java

@@ -1,11 +1,15 @@
 package chess.view.DDDrender;
 
 import java.io.IOException;
+import java.util.List;
 
 import org.joml.Vector2f;
 import org.joml.Vector3f;
 
+import chess.controller.Command;
+import chess.controller.Command.CommandResult;
 import chess.controller.CommandExecutor;
+import chess.controller.commands.GetAllowedMovesPieceCommand;
 import chess.controller.commands.GetPieceAtCommand;
 import chess.controller.event.GameAdaptator;
 import chess.model.Color;
@@ -26,6 +30,7 @@ public class DDDView extends GameAdaptator {
 	private final World world;
 	private BoardEntity boardEntity;
 	private final Camera camera;
+	private Coordinate click = null;
 
 	public DDDView(CommandExecutor commandExecutor) {
 		this.commandExecutor = commandExecutor;
@@ -34,28 +39,127 @@ public class DDDView extends GameAdaptator {
 		this.window = new Window(new Renderer(), this.world, this.camera);
 	}
 
+	private void cancelClick(){
+		this.click=null;
+	}
+	
+	private CommandResult sendCommand(Command command) {
+		return this.commandExecutor.executeCommand(command);
+	}
+
 	// Invoked when a cell is clicked
 	private void onCellClick(Coordinate coordinate) {
-		System.out.println("Cell clicked : " + coordinate);
+		if (this.click == null){ // case: first click
+			System.out.println("First click on " + coordinate);
+			previewMoves(coordinate);
+			this.click = coordinate;
+			return;
+		}
+		// case: second click
+		GetAllowedMovesPieceCommand movesCommand = new GetAllowedMovesPieceCommand(this.click);
+		List<Coordinate> allowedMoves = movesCommand.getDestinations();
+		if (allowedMoves.contains(coordinate)){ // case: valid attempt at move
+			System.out.println("Move on " + coordinate);
+			cancelPreview(click);
+			//onMove(new Move(click, coordinate));
+			cancelClick();
+			return;
+		}
+		if (!(coordinate == click)) { // case: cancelling previous click
+			System.out.println("New click on " + coordinate); // cases: invalid move, selecting another piece
+			cancelPreview(click);
+			previewMoves(coordinate);
+			this.click = coordinate;
+			return;
+		}
+		System.out.println("Cancelling click.");
+		cancelPreview(click);
+		cancelClick();
+	}
+
+	// cas 1 : hover sans click => click = null
+	// cas 2 : click, attente => click = coo
+	// cas 3 : click, click sur le même => cancelClick
+	// cas 4 : click, click sur un autre pion à vérifier => preview nouveau pion, click = new_coo
+	// cas 5 : click, click sur une position éventuelle valide => move, cancelClick
+	// cas 6 : click, click sur une case non valide => move invalide, cancelClick
+
+
+
+	private boolean previewMoves(Coordinate coordinate){
+		this.boardEntity.setCellColor(coordinate, new Vector3f(1, 0, 0));
+		Piece p = pieceAt(coordinate);
+		if (p == null)
+			return false;
+		this.world.getPiece(coordinate).setColor(new Vector3f(1, 0, 0));
+		GetAllowedMovesPieceCommand movesCommand = new GetAllowedMovesPieceCommand(coordinate);
+		if (sendCommand(movesCommand) == CommandResult.NotAllowed)
+			return false;
+		List<Coordinate> allowedMoves = movesCommand.getDestinations();
+		if (allowedMoves.isEmpty())
+			return false;
+		for (Coordinate destCoord : allowedMoves) {
+			this.boardEntity.setCellColor(destCoord, new Vector3f(1, 1, 0));
+		}
+		return true;
 	}
 
 	// Invoked when a cell is hovered
 	private void onCellEnter(Coordinate coordinate) {
+		if (this.click == null){
 			// small test turning a cell red when hovered
 			this.boardEntity.setCellColor(coordinate, new Vector3f(1, 0, 0));
 			Piece p = pieceAt(coordinate);
 			if (p == null)
 				return;
 			this.world.getPiece(coordinate).setColor(new Vector3f(1, 0, 0));
+			GetAllowedMovesPieceCommand movesCommand = new GetAllowedMovesPieceCommand(coordinate);
+			if (sendCommand(movesCommand) == CommandResult.NotAllowed)
+				return ;
+			List<Coordinate> allowedMoves = movesCommand.getDestinations();
+			if (allowedMoves.isEmpty())
+				return ;
+			for (Coordinate destCoord : allowedMoves) {
+				this.boardEntity.setCellColor(destCoord, new Vector3f(1, 0, 0));
+			}
+		}
 	}
 
 	// Invoked when a cell is not hovered anymore
 	private void onCellExit(Coordinate coordinate) {
+		if (this.click == null){
 			this.boardEntity.resetCellColor(coordinate);
 			Piece p = pieceAt(coordinate);
 			if (p == null)
 				return;
 			this.world.getPiece(coordinate).setColor(p.getColor() == Color.White ? WHITE : BLACK);
+			GetAllowedMovesPieceCommand movesCommand = new GetAllowedMovesPieceCommand(coordinate);
+			if (sendCommand(movesCommand) == CommandResult.NotAllowed)
+				return ;
+			List<Coordinate> allowedMoves = movesCommand.getDestinations();
+			if (allowedMoves.isEmpty())
+				return ;
+			for (Coordinate destCoord : allowedMoves) {
+				this.boardEntity.resetCellColor(destCoord);
+			}
+		}
+	}
+
+	private void cancelPreview(Coordinate coordinate){
+		this.boardEntity.resetCellColor(coordinate);
+		Piece p = pieceAt(coordinate);
+		if (p == null)
+			return;
+		this.world.getPiece(coordinate).setColor(p.getColor() == Color.White ? WHITE : BLACK);
+		GetAllowedMovesPieceCommand movesCommand = new GetAllowedMovesPieceCommand(coordinate);
+		if (sendCommand(movesCommand) == CommandResult.NotAllowed)
+			return ;
+		List<Coordinate> allowedMoves = movesCommand.getDestinations();
+		if (allowedMoves.isEmpty())
+			return ;
+		for (Coordinate destCoord : allowedMoves) {
+			this.boardEntity.resetCellColor(destCoord);
+		}
 	}
 
 	private Piece pieceAt(Coordinate pos) {
@@ -108,10 +212,12 @@ public class DDDView extends GameAdaptator {
 	}
 
 	public void run() {
+		/*
 		this.window.addRegularTask((delta) -> {
 			final float angle = 1f; 
 			this.camera.setRotateAngle(this.camera.getRotateAngle() + angle * delta);
 		});
+		*/
 		this.window.run();
 
 		// free OpenGL resources