Add score and game over

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

@@ -10,7 +10,7 @@ import com.badlogic.gdx.math.Vector2;
 public class Board {
 
     Cell[][] cells;
-    private final int count; // Cell count
+    public final int cellCount; // Cell count
     public final int cellSize; // Size per cell
 
     final Vector2 pos;
@@ -19,12 +19,12 @@ public class Board {
 
     public Board(float x, float y, int cellCount, int cellSize, boolean center) {
         pos = new Vector2(x, y);
-        count = cellCount;
+        this.cellCount = cellCount;
         this.cellSize = cellSize;
 
-        cells = new Cell[count][count];
+        cells = new Cell[this.cellCount][this.cellCount];
-        for (int i = 0; i < count; i++) {
+        for (int i = 0; i < this.cellCount; i++) {
-            for (int j = 0; j < count; j++) {
+            for (int j = 0; j < this.cellCount; j++) {
                 cells[i][j] = new Cell();
             }
         }
@@ -39,11 +39,11 @@ public class Board {
     }
 
     public int getPxSize() {
-        return count * cellSize;
+        return cellCount * cellSize;
     }
 
     private boolean inBounds(int x, int y) {
-        return x >= 0 && x < count && y >= 0 && y < count;
+        return x >= 0 && x < cellCount && y >= 0 && y < cellCount;
     }
 
     private boolean inBounds(Piece piece, int x, int y) {
@@ -62,6 +62,17 @@ public class Board {
         return true;
     }
 
+    public boolean canPutPiece(Piece piece) {
+        for (int i = 0; i < piece.cellRows; i++) {
+            for (int j = 0; j < piece.cellCols; j++) {
+                if (canPutPiece(piece, j, i)) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
     public boolean putScreenPiece(Piece piece) {
         // Get the local piece coordinates
         // TODO Works weird, it puts the piece like one too low…
@@ -85,13 +96,13 @@ public class Board {
         // If the piece is put on the top left corner, all the cells will be cleared.
         // If we first cleared the columns, then the rows wouldn't have been cleared.
         int clearCount = 0;
-        boolean[] clearedRows = new boolean[count];
+        boolean[] clearedRows = new boolean[cellCount];
-        boolean[] clearedCols = new boolean[count];
+        boolean[] clearedCols = new boolean[cellCount];
 
         // Analyze rows and columns that will be cleared
-        for (int i = 0; i < count; i++) {
+        for (int i = 0; i < cellCount; i++) {
             clearedRows[i] = true;
-            for (int j = 0; j < count; j++) {
+            for (int j = 0; j < cellCount; j++) {
                 if (cells[i][j].isEmpty()) {
                     clearedRows[i] = false;
                     break;
@@ -100,9 +111,9 @@ public class Board {
             if (clearedRows[i])
                 clearCount++;
         }
-        for (int j = 0; j < count; j++) {
+        for (int j = 0; j < cellCount; j++) {
             clearedCols[j] = true;
-            for (int i = 0; i < count; i++) {
+            for (int i = 0; i < cellCount; i++) {
                 if (cells[i][j].isEmpty()) {
                     clearedCols[j] = false;
                     break;
@@ -113,16 +124,16 @@ public class Board {
         }
         if (clearCount > 0) {
             // Do clear those rows and columns
-            for (int i = 0; i < count; i++) {
+            for (int i = 0; i < cellCount; i++) {
                 if (clearedRows[i]) {
-                    for (int j = 0; j < count; j++) {
+                    for (int j = 0; j < cellCount; j++) {
                         cells[i][j].setEmpty();
                     }
                 }
             }
-            for (int j = 0; j < count; j++) {
+            for (int j = 0; j < cellCount; j++) {
                 if (clearedCols[j]) {
-                    for (int i = 0; i < count; i++) {
+                    for (int i = 0; i < cellCount; i++) {
                         cells[i][j].setEmpty();
                     }
                 }
@@ -148,8 +159,8 @@ public class Board {
     }
 
     public void draw(SpriteBatch batch) {
-        for (int i = 0; i < count; i++) {
+        for (int i = 0; i < cellCount; i++) {
-            for (int j = 0; j < count; j++) {
+            for (int j = 0; j < cellCount; j++) {
                 cells[i][j].draw(batch, cellPatch,
                         pos.x + j * cellSize, pos.y + i * cellSize, cellSize);
             }

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

@@ -5,6 +5,7 @@ import com.badlogic.gdx.graphics.g2d.NinePatch;
 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
 import com.badlogic.gdx.math.Interpolation;
 import com.badlogic.gdx.math.Vector2;
+import com.badlogic.gdx.utils.Array;
 
 public class PieceHolder {
 
@@ -66,8 +67,22 @@ public class PieceHolder {
         return false;
     }
 
+    public Array<Piece> getAvailablePieces() {
+        Array<Piece> result = new Array<Piece>(count);
+        for (int i = 0; i < count; i++) {
+            if (pieces[i] != null) {
+                result.add(pieces[i]);
+            }
+        }
+        return result;
+    }
+
     public int calculateHeldPieceArea() {
-        return pieces[heldPiece].calculateArea();
+        if (heldPiece > -1) {
+            return pieces[heldPiece].calculateArea();
+        } else {
+            return 0;
+        }
     }
 
     public boolean dropPiece(Board board) {

core/src/io/github/lonamiwebs/klooni/screens/GameScreen.java

@@ -3,6 +3,7 @@ package io.github.lonamiwebs.klooni.screens;
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.InputProcessor;
 import com.badlogic.gdx.Screen;
+import com.badlogic.gdx.graphics.Color;
 import com.badlogic.gdx.graphics.GL20;
 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
 import com.badlogic.gdx.math.MathUtils;
@@ -20,10 +21,15 @@ public class GameScreen implements Screen, InputProcessor {
 
     private SpriteBatch batch;
 
+    private final Color clearColor;
+    private int score;
+
     public GameScreen(Klooni aGame) {
         game = aGame;
+        score = 0;
+        clearColor = new Color(0.9f, 0.9f, 0.7f, 1f);
 
-        // Board(x, y, cell count, cell size, center)
+        // Board(x, y, cell cellCount, cell size, center)
         board = new Board(
                 Gdx.graphics.getWidth() / 2,
                 Gdx.graphics.getHeight() * 3 / 4,
@@ -43,6 +49,25 @@ public class GameScreen implements Screen, InputProcessor {
         }
     }
 
+    int calculateClearScore(int cleared) {
+        // The original game seems to work as follows:
+        // If < 1 were cleared, score = 0
+        // If = 1  was cleared, score = cells cleared
+        // If > 1 were cleared, score = cells cleared + score(cleared - 1)
+        if (cleared < 1) return 0;
+        if (cleared == 1) return board.cellCount;
+        else return board.cellCount * cleared + calculateClearScore(cleared - 1);
+    }
+
+    boolean isGameOver() {
+        for (Piece piece : holder.getAvailablePieces()) {
+            if (board.canPutPiece(piece)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
     //region Screen
 
     @Override
@@ -52,7 +77,7 @@ public class GameScreen implements Screen, InputProcessor {
 
     @Override
     public void render(float delta) {
-        Gdx.gl.glClearColor(0.9f, 0.9f, 0.7f, 1);
+        Gdx.gl.glClearColor(clearColor.r, clearColor.g, clearColor.b, clearColor.a);
         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
 
         batch.begin();
@@ -118,6 +143,12 @@ public class GameScreen implements Screen, InputProcessor {
         int area = holder.calculateHeldPieceArea();
         if (holder.dropPiece(board)) {
             int cleared = board.clearComplete();
+            score += area + calculateClearScore(cleared);
+
+            if (isGameOver()) {
+                clearColor.set(0.4f, 0.1f, 0.1f, 1f);
+            }
+
             return true;
         } else {
             return false;