Show a random piece instead a single cell when showcasing effects

core/src/io/github/lonamiwebs/klooni/actors/EffectCard.java

@@ -17,17 +17,14 @@
 */
 package io.github.lonamiwebs.klooni.actors;
 
-import com.badlogic.gdx.Gdx;
-import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.Texture;
 import com.badlogic.gdx.graphics.g2d.Batch;
-import com.badlogic.gdx.math.Matrix4;
+import com.badlogic.gdx.math.Rectangle;
 
 import io.github.lonamiwebs.klooni.Effect;
 import io.github.lonamiwebs.klooni.Klooni;
 import io.github.lonamiwebs.klooni.Theme;
-import io.github.lonamiwebs.klooni.effects.IEffect;
-import io.github.lonamiwebs.klooni.game.Cell;
+import io.github.lonamiwebs.klooni.game.Board;
 import io.github.lonamiwebs.klooni.game.GameLayout;
 import io.github.lonamiwebs.klooni.game.Piece;
 
@@ -37,11 +34,12 @@ public class EffectCard extends ShopCard {
     //region Members
 
     public final Effect effect;
-    private final Cell cell;
-    private IEffect currentEffect;
+    private final Board board;
+
+    // We want to create an effect from the beginning
+    private boolean needCreateEffect = true;
 
     private final Texture background;
-    private Color color;
 
     //endregion
 
@@ -50,13 +48,29 @@ public class EffectCard extends ShopCard {
     public EffectCard(final Klooni game, final GameLayout layout, final Effect effect) {
         super(game, layout, effect.getDisplay(), Klooni.theme.background);
         background = Theme.getBlankTexture();
-        color = Klooni.theme.getRandomCellColor();
-
         this.effect = effect;
-        cell = Piece.randomCell(0, 0, cellSize);
+
+        // Let the board have room for 3 cells, so cellSize * 3
+        board = new Board(new Rectangle(0, 0, cellSize * 3, cellSize * 3), 3);
+
+        setRandomPiece();
         usedItemUpdated();
     }
 
+    private void setRandomPiece() {
+        while (true) {
+            final Piece piece = Piece.random();
+            if (piece.cellCols > 3 || piece.cellRows > 3)
+                continue;
+
+            // Try to center it (max size is 3, so center is the second grid bit unless max size)
+            int x = piece.cellCols == 3 ? 0 : 1;
+            int y = piece.cellRows == 3 ? 0 : 1;
+            if (board.putPiece(piece, x, y))
+                break; // Should not fail, but if it does, don't break
+        }
+    }
+
     //endregion
 
     //region Public methods
@@ -68,31 +82,37 @@ public class EffectCard extends ShopCard {
         batch.setColor(Klooni.theme.background);
         batch.draw(background, x, y, getWidth(), getHeight());
 
-        // Avoid drawing on the borders by adding +1 cell padding +1 to center it
-        // so it's becomes cellSize * 2
-        cell.pos.set(x + cellSize * 2, y + cellSize * 2);
+        // Avoid drawing on the borders by adding +1 cell padding
+        board.pos.set(x + cellSize * 1, y + cellSize * 1);
 
-        // If we're not showcasing (currentEffect == null), show the cell alone
-        if (currentEffect == null)
-            cell.draw(batch);
+        // Draw only if effects are done, i.e. not showcasing
+        if (board.effectsDone())
+            board.draw(batch);
 
         super.draw(batch, parentAlpha);
     }
 
     @Override
     public boolean showcase(Batch batch, float yDisplacement) {
-        cell.pos.y += yDisplacement;
+        board.pos.y += yDisplacement;
 
-        // If it's null, create it, then we want to render
-        if (currentEffect == null) {
-            currentEffect = effect.create(cell, cell.pos);
-        } else if (currentEffect.isDone()) {
-            // Set to null so it's created the next time
-            currentEffect = null;
+        // If no effect is running
+        if (board.effectsDone()) {
+            // And we want to create a new one
+            if (needCreateEffect) {
+                // Clear at cells[1][1], the center one
+                board.clearAll(1, 1, effect);
+                needCreateEffect = false;
+            } else {
+                // Otherwise, the previous effect finished, so return false because we're done
+                // We also want to draw the next time so set the flag to true
+                setRandomPiece();
+                needCreateEffect = true;
                 return false;
             }
+        }
 
-        currentEffect.draw(batch);
+        board.draw(batch);
         return true;
     }
 

core/src/io/github/lonamiwebs/klooni/game/Board.java

@@ -17,8 +17,9 @@
 */
 package io.github.lonamiwebs.klooni.game;
 
-import com.badlogic.gdx.graphics.g2d.SpriteBatch;
+import com.badlogic.gdx.graphics.g2d.Batch;
 import com.badlogic.gdx.math.MathUtils;
+import com.badlogic.gdx.math.Rectangle;
 import com.badlogic.gdx.math.Vector2;
 import com.badlogic.gdx.utils.Array;
 
@@ -39,12 +40,12 @@ public class Board implements BinSerializable {
     public final int cellCount;
     public float cellSize;
     private Cell[][] cells;
-    private final Array<IEffect> effects; // Particle effects once they vanish
+    private final Array<IEffect> effects = new Array<IEffect>(); // Particle effects once they vanish
 
-    final Vector2 pos;
+    public final Vector2 pos = new Vector2();
 
     // Used to animate cleared cells vanishing
-    private final Vector2 lastPutPiecePos;
+    private final Vector2 lastPutPiecePos = new Vector2();
 
     //endregion
 
@@ -53,12 +54,21 @@ public class Board implements BinSerializable {
     public Board(final GameLayout layout, int cellCount) {
         this.cellCount = cellCount;
 
-        lastPutPiecePos = new Vector2();
-        pos = new Vector2();
-        effects = new Array<IEffect>(32); // 32 capacity for 3 rows (most common)
-
         // Cell size depends on the layout to be updated first
         layout.update(this);
+        createCells();
+    }
+
+    public Board(final Rectangle area, int cellCount) {
+        this.cellCount = cellCount;
+
+        // Cell size depends on the layout to be updated first
+        pos.set(area.x, area.y);
+        cellSize = Math.min(area.height, area.width) / cellCount;
+        createCells();
+    }
+
+    private void createCells() {
         cells = new Cell[this.cellCount][this.cellCount];
         for (int i = 0; i < this.cellCount; ++i) {
             for (int j = 0; j < this.cellCount; ++j) {
@@ -95,7 +105,7 @@ public class Board implements BinSerializable {
     }
 
     // Returns true iff the piece was put on the board
-    private boolean putPiece(Piece piece, int x, int y) {
+    public boolean putPiece(Piece piece, int x, int y) {
         if (!canPutPiece(piece, x, y))
             return false;
 
@@ -112,7 +122,7 @@ public class Board implements BinSerializable {
 
     //region Public methods
 
-    public void draw(SpriteBatch batch) {
+    public void draw(final Batch batch) {
         batch.setTransformMatrix(batch.getTransformMatrix().translate(pos.x, pos.y, 0));
 
         for (int i = 0; i < cellCount; ++i)
@@ -137,7 +147,7 @@ public class Board implements BinSerializable {
         return false;
     }
 
-    boolean putScreenPiece(Piece piece) {
+    public boolean putScreenPiece(final Piece piece) {
         // Convert the on screen coordinates of the piece to the local-board-space coordinates
         // This is done by subtracting the piece coordinates from the board coordinates
         Vector2 local = piece.pos.cpy().sub(pos);
@@ -225,6 +235,25 @@ public class Board implements BinSerializable {
         return clearCount;
     }
 
+    public int clearAll(final int clearFromX, final int clearFromY, final Effect effect) {
+        int clearCount = 0;
+        final Vector2 culprit = cells[clearFromY][clearFromX].pos;
+
+        for (int i = 0; i < cellCount; ++i) {
+            for (int j = 0; j < cellCount; ++j) {
+                if (!cells[i][j].isEmpty()) {
+                    clearCount++;
+                    effects.add(effect.create(cells[i][j], culprit));
+                    cells[i][j].set(-1);
+                }
+            }
+        }
+
+        return clearCount;
+    }
+
+    public boolean effectsDone() { return effects.size == 0; }
+
     //endregion
 
     //region Serialization

core/src/io/github/lonamiwebs/klooni/game/Piece.java

@@ -37,10 +37,10 @@ public class Piece {
     //region Members
 
     final Vector2 pos;
-    final int colorIndex;
+    public final int colorIndex;
     private final int rotation;
 
-    final int cellCols, cellRows;
+    public final int cellCols, cellRows;
     private boolean shape[][];
 
     // Default arbitrary value
@@ -112,16 +112,8 @@ public class Piece {
 
     //region Static methods
 
-    // Only the pieces know how many colors there are, so the method for
-    // creating cells belongs here as a public static one.
-    public static Cell randomCell(final float x, final float y, final float size) {
-        final Cell cell = new Cell(x, y, size);
-        cell.set(MathUtils.random(8));
-        return cell;
-    }
-
     // Generates a random piece with always the same color for the generated shape
-    static Piece random() {
+    public static Piece random() {
         // 9 pieces [0…8]; 4 possible rotations [0…3]
         return fromIndex(MathUtils.random(8), MathUtils.random(4));
     }