dig around empty tiles + reorganisation

src/main/java/bzh/risotto/Main.java

@@ -1,5 +1,6 @@
 package bzh.risotto;
 
+import bzh.risotto.core.Game;
 import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application;
 import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration;
 

src/main/java/bzh/risotto/core/Game.java

@@ -1,5 +1,6 @@
-package bzh.risotto;
+package bzh.risotto.core;
 
+import bzh.risotto.utils.Timer;
 import com.badlogic.gdx.ApplicationListener;
 import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.Input;

src/main/java/bzh/risotto/core/MinesMap.java

@@ -1,4 +1,4 @@
-package bzh.risotto;
+package bzh.risotto.core;
 
 
 import com.badlogic.gdx.math.Vector2;

src/main/java/bzh/risotto/core/Minesweeper.java

@@ -1,5 +1,7 @@
-package bzh.risotto;
+package bzh.risotto.core;
 
+import bzh.risotto.graphics.Animation;
+import bzh.risotto.utils.Utils;
 import bzh.risotto.tilemap.Tile;
 import bzh.risotto.tilemap.TileMap;
 import bzh.risotto.tilemap.TileSet;
@@ -56,21 +58,21 @@ public class Minesweeper {
 
         TileSet tileSet = new TileSet("tileset.png", new Vector2(16,16), new Vector2(6,10));
 
+        this.minesMap = new MinesMap(new Vector2(10, 10), nbMines);
+
         List<List<Integer>> map = loadMap(size);
         this.tileMap = new TileMap(tileSet, map);
-        this.tileMap.setTile(5,0,0);
 
         tileSet = new TileSet("ui.png", new Vector2(16,16), new Vector2(5,3));
         this.overlayMap = new TileMap(tileSet, Utils.emptyMap(size));
 
-        this.minesMap = new MinesMap(new Vector2(10, 10), nbMines);
-
         this.nbMines = nbMines;
         this.nbLeftOverMines = nbMines;
 
         this.explosion = new Animation("explosion.png", new Vector2(16, 16), 5, 0.10);
-
         loadConstArrays();
+
+        digFirstTile();
     }
 
     /**
@@ -98,6 +100,26 @@ public class Minesweeper {
         return res;
     }
 
+    /**
+     * Dig the first tile to start the game on an empty tile
+     */
+    private void digFirstTile() {
+        // dig empty tile to start game
+        List<Vector2> emptyTiles = new ArrayList<>();
+        Vector2 pos;
+        for (int i = 0; i < size.x; i++) {
+            for (int j = 0; j < size.y; j++) {
+                pos = new Vector2(j, i);
+                if (this.minesMap.getCell(pos) == 0) {
+                    emptyTiles.add(pos);
+                }
+            }
+        }
+
+        Vector2 digPos = emptyTiles.get((int) (Math.random() * emptyTiles.size()));
+        dig(tileMap.toWorldMapCoord(digPos));
+    }
+
     /**
      * Dig the gamemap at the coord
      * convert grass tiles to dirt tiles, and make them visualy connect
@@ -145,6 +167,34 @@ public class Minesweeper {
 
         int nbMines = minesMap.getCell(coord);
         this.overlayMap.setTile((nbMines+5), (int) coord.x, (int) coord.y);
+
+        if (minesMap.getCell(coord) == 0) {
+            digEmptyArround(coord);
+        }
+    }
+
+    private void digEmptyArround(Vector2 pos) {
+
+        for (int i = -1; i < 2; i ++) {
+            for (int j = -1; j < 2; j ++) {
+                Tile tile = null;
+
+                Vector2 tilePos =  new Vector2(pos.x + j, pos.y + i);
+
+                // prevent out of bound error while checking border tiles
+                try {
+                    tile = tileMap.getTile((int) tilePos.x, (int) tilePos.y);
+                } catch (IndexOutOfBoundsException e) {
+
+                    //logger.info("Out of world check", e);
+                }
+
+                // if not digged and mines arround is 0, dig
+                if (tile != null && dirtTiles.contains(tile.getId())) {
+                    dig(tileMap.toWorldMapCoord(tilePos));
+                }
+            }
+        }
     }
 
     public void mark(Vector2 worldCoord) {

src/main/java/bzh/risotto/graphics/Animation.java

@@ -1,5 +1,6 @@
-package bzh.risotto;
+package bzh.risotto.graphics;
 
+import bzh.risotto.utils.Timer;
 import com.badlogic.gdx.graphics.Texture;
 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
 import com.badlogic.gdx.graphics.g2d.TextureRegion;

src/main/java/bzh/risotto/tilemap/TileMap.java

@@ -131,4 +131,22 @@ public class TileMap {
         return tileMapCoord;
 
     }
+
+    /**
+     * convert tilemap coord to world coord
+     *
+     * @param tileMapdCoord world coordinate to convert
+     * @return tilemap coordinate
+     */
+    public Vector2 toWorldMapCoord(Vector2 tileMapCoord) {
+
+        Vector2 worldCoord = new Vector2();
+        Vector2 tileSize = tileSet.getTileSize();
+
+        worldCoord.x = (int) (tileMapCoord.x * tileSize.x);
+        worldCoord.y = (int) (tileMapCoord.y * tileSize.y);
+
+        return worldCoord;
+
+    }
 }

src/main/java/bzh/risotto/utils/Timer.java

@@ -1,4 +1,4 @@
-package bzh.risotto;
+package bzh.risotto.utils;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;

src/main/java/bzh/risotto/utils/Utils.java

@@ -1,4 +1,4 @@
-package bzh.risotto;
+package bzh.risotto.utils;
 
 import com.badlogic.gdx.math.Vector2;