First commit

src/main/java/se/urmo/my2dgame/tile/TileManager.java

@@ -0,0 +1,98 @@
+package se.urmo.my2dgame.tile;
+
+import se.urmo.my2dgame.main.Screen;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.util.Arrays;
+
+public class TileManager {
+    Screen screen;
+    public  Tile[] tiles = new Tile[10];
+    public int[][] mapTileNum;
+
+    public TileManager(Screen screen) {
+        this.screen = screen;
+        getTileImage();
+        this.mapTileNum = loadMap("/maps/world01.txt");
+    }
+
+    public int[][] loadMap(String path) {
+        int[][] map = new int[screen.WORLD_MAX_ROW][screen.WORLD_MAX_COL];
+        try {
+            InputStream stream = Screen.class.getResourceAsStream(path);
+            BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
+            int row = 0;
+            String line;
+            while ((line = reader.readLine()) != null && row < screen.WORLD_MAX_ROW) {
+                map[row++] = Arrays.stream(line.split(" "))
+                        .mapToInt(Integer::parseInt)
+                        .toArray();
+            }
+            reader.close();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return map;
+    }
+
+    public void getTileImage() {
+        try {
+            tiles[0] = new Tile();
+            tiles[0].image = ImageIO.read(Screen.class.getResourceAsStream("/tiles/grass.png"));
+
+            tiles[1] = new Tile();
+            tiles[1].image = ImageIO.read(Screen.class.getResourceAsStream("/tiles/wall.png"));
+            tiles[1].collission = true;
+
+            tiles[2] = new Tile();
+            tiles[2].image = ImageIO.read(Screen.class.getResourceAsStream("/tiles/water.png"));
+            tiles[2].collission = true;
+
+            tiles[3] = new Tile();
+            tiles[3].image = ImageIO.read(Screen.class.getResourceAsStream("/tiles/earth.png"));
+
+            tiles[4] = new Tile();
+            tiles[4].image = ImageIO.read(Screen.class.getResourceAsStream("/tiles/tree.png"));
+            tiles[4].collission = true;
+
+            tiles[5] = new Tile();
+            tiles[5].image = ImageIO.read(Screen.class.getResourceAsStream("/tiles/sand.png"));
+
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public void draw(Graphics2D g2d) {
+        int worldCol = 0;
+        int worldRow = 0;
+
+        while (worldCol < screen.WORLD_MAX_COL && worldRow < screen.WORLD_MAX_ROW) {
+            int tileNum = mapTileNum[worldRow][worldCol];
+
+            int worldX = worldCol * screen.TILE_SIZE;
+            int worldY = worldRow * screen.TILE_SIZE;
+
+            // Only drawImage for tiles within camera
+            if (screen.isWithinScreen(worldX, worldY)) {
+                int screenX = worldX - screen.player.worldX + screen.player.SCREEN_X;
+                int screenY = worldY - screen.player.worldY + screen.player.SCREEN_Y;
+                g2d.drawImage(tiles[tileNum].image, screenX, screenY, screen.TILE_SIZE, screen.TILE_SIZE, null);
+            }
+
+            worldCol++;
+
+            if (worldCol == screen.WORLD_MAX_COL) {
+                worldCol = 0;
+                worldRow++;
+            }
+        }
+    }
+
+
+}