3d promote (Fixes #14)

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

@@ -6,6 +6,7 @@ import java.util.List;
 import java.util.function.Consumer;
 
 import chess.controller.commands.*;
+import chess.controller.commands.PromoteCommand.PromoteType;
 import imgui.ImGui;
 import imgui.ImVec2;
 import imgui.flag.ImGuiCond;
@@ -242,6 +243,15 @@ public class DDDView extends GameAdapter implements CommandSender {
         }
     }
 
+    private PieceEntity createDefault(Piece piece, Coordinate coordinate) throws IOException {
+        Vector2f pieceBoardPos = DDDPlacement.coordinatesToVector(coordinate);
+        Vector3f pieceWorldPos = new Vector3f(pieceBoardPos.x(), 0, pieceBoardPos.y());
+
+        return new PieceEntity(piece, pieceWorldPos,
+                piece.getColor() == Color.White ? WHITE : BLACK,
+                piece.getColor() == Color.White ? 0.0f : (float) Math.PI);
+    }
+
     private void initBoard() throws IOException {
         for (int i = 0; i < Coordinate.VALUE_MAX; i++) {
             for (int j = 0; j < Coordinate.VALUE_MAX; j++) {
@@ -250,14 +260,7 @@ public class DDDView extends GameAdapter implements CommandSender {
                 if (piece == null)
                     continue;
 
-                Vector2f pieceBoardPos = DDDPlacement.coordinatesToVector(pos);
-                Vector3f pieceWorldPos = new Vector3f(pieceBoardPos.x(), 0, pieceBoardPos.y());
-
-                PieceEntity entity = new PieceEntity(piece, pieceWorldPos,
-                        piece.getColor() == Color.White ? WHITE : BLACK,
-                        piece.getColor() == Color.White ? 0.0f : (float) Math.PI);
-
-                this.world.addPiece(entity, pos);
+                this.world.addPiece(createDefault(piece, pos), pos);
             }
         }
         this.boardEntity = new BoardEntity();
@@ -303,7 +306,7 @@ public class DDDView extends GameAdapter implements CommandSender {
             consumers.add(moveConsumer);
             this.window.addRegularTask(moveConsumer);
         }
-       
+
         try {
             Thread.sleep((long) (animationTime * 1000.0f));
         } catch (InterruptedException e) {
@@ -315,16 +318,19 @@ public class DDDView extends GameAdapter implements CommandSender {
             final PieceEntity pEntity = pEntities.get(i);
 
             this.window.removeRegularTask(moveConsumer);
-        
+
             Vector2f pieceDestBoardPos = DDDPlacement.coordinatesToVector(move.getFinish());
             Vector3f pieceDestWorldPos = new Vector3f(pieceDestBoardPos.x(), 0, pieceDestBoardPos.y());
-    
-            if (move.getDeadPieceCoords() != null) {
-                this.world.ejectPiece(move.getDeadPieceCoords());
-            }
+
+            final PieceEntity pDead = this.world.getPiece(move.getDeadPieceCoords());
+            this.world.setPieceCoords(null, move.getDeadPieceCoords());
+
+            // we must do that on the rendering thread to avoid
+            // ConcurrentModificationException
+            this.window.scheduleTask(() -> this.world.ejectPiece(pDead));
 
             pEntity.setPosition(pieceDestWorldPos);
-            
+
             this.world.movePiece(pEntity, move);
         }
 
@@ -371,25 +377,47 @@ public class DDDView extends GameAdapter implements CommandSender {
         }
     }
 
-    private void renderPopup(String title, String text) {
+    private void renderPopup(String title, Runnable content) {
         ImVec2 center = ImGui.getMainViewport().getCenter();
         ImGui.setNextWindowPos(center, ImGuiCond.Appearing, new ImVec2(0.5f, 0.5f));
         if (ImGui.beginPopupModal(title, null, ImGuiWindowFlags.AlwaysAutoResize | ImGuiWindowFlags.NoMove)) {
-            ImGui.text(text);
+            content.run();
             if (ImGui.button("Close")) {
-                ImGui.closeCurrentPopup();
-                synchronized (this) {
-                    notifyAll();
-                }
+                closeCurrentPopup();
             }
             ImGui.endPopup();
         }
     }
 
+    private void closeCurrentPopup() {
+        ImGui.closeCurrentPopup();
+        synchronized (this) {
+            notifyAll();
+        }
+    }
+
+    private void renderPopup(String title, String text) {
+        renderPopup(title, () -> ImGui.text(text));
+    }
+
+    private void renderPromoteDialog() {
+        renderPopup("Promotion", () -> {
+            ImGui.text("Select the promotion type :");
+            for (PromoteType promoteType : PromoteType.values()) {
+                if (ImGui.button(promoteType.toString())) {
+                    sendPawnPromotion(promoteType);
+                    closeCurrentPopup();
+                }
+                ImGui.sameLine();
+            }
+            ImGui.newLine();
+        });
+    }
+
     private void renderPopups() {
         renderPopup("Check", "Your king is in check");
         renderPopup("Checkmate", "Checkmate, it's a win!");
-        renderPopup("Promotion", "Please promote your pawn.");
+        renderPromoteDialog();
         renderPopup("Pat", "It's a pat!");
         renderPopup("Tie", "It's a tie!");
         renderPopup("White surrender", "The white player has surrendered!");
@@ -451,4 +479,21 @@ public class DDDView extends GameAdapter implements CommandSender {
     public void onCastling(boolean bigCastling, Move kingMove, Move rookMove) {
         move3DPieces(List.of(kingMove, rookMove));
     }
+
+    @Override
+    public void onPromotePawn(Coordinate pieceCoords) {
+        openPopup("Promotion");
+    }
+
+    @Override
+    public void onPawnPromoted(PromoteType promotion, Coordinate coordinate) {
+        this.window.scheduleTask(() -> {
+            this.world.ejectPiece(this.world.getPiece(coordinate));
+            try {
+                this.world.addPiece(createDefault(getPieceAt(coordinate), coordinate), coordinate);
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        });
+    }
 }