MiauRizius/JGame2D
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added map drawing system

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This commit is contained in:
Maurice
2025-11-26 21:50:46 +01:00
parent 9e6834b304
commit e60f04b8b6
3 changed files with 61 additions and 9 deletions
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12
assets/maps/testmap.map Normal file
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@@ -0,0 +1,12 @@
1 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
1 0 0 0 0 0 2 2 2 2 0 0 0 0 0 1
1 0 0 0 0 0 2 2 2 2 0 0 0 0 0 1
1 0 0 0 0 0 2 2 2 2 0 0 0 0 0 1
1 0 0 0 0 0 2 2 2 2 0 0 0 0 0 1
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

4
src/de/miaurizius/jgame2d/core/GamePanel.java
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@@ -14,8 +14,8 @@ public class GamePanel extends JPanel implements Runnable {
public final int tileSize = originalTileSize * scale; //48x48 tile public final int tileSize = originalTileSize * scale; //48x48 tile
// 4:3 ratio // 4:3 ratio
final int maxScreenCol = 16; public final int maxScreenCol = 16;
final int maxScreenRow = 12; public final int maxScreenRow = 12;
final int screenWidth = tileSize * maxScreenCol; // 768 pixels final int screenWidth = tileSize * maxScreenCol; // 768 pixels
final int screenHeight = tileSize * maxScreenRow; // 576 pixels final int screenHeight = tileSize * maxScreenRow; // 576 pixels

54
src/de/miaurizius/jgame2d/tile/TileManager.java
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@@ -4,18 +4,20 @@ import de.miaurizius.jgame2d.core.GamePanel;
import javax.imageio.ImageIO; import javax.imageio.ImageIO;
import java.awt.*; import java.awt.*;
import java.io.FileInputStream; import java.io.*;
import java.io.IOException;
public class TileManager { public class TileManager {
GamePanel panel; GamePanel panel;
Tile[] tile; Tile[] tile;
int[][] mapTileNum;
public TileManager(GamePanel panel) { public TileManager(GamePanel panel) {
this.panel = panel; this.panel = panel;
tile = new Tile[10]; tile = new Tile[10];
mapTileNum = new int[panel.maxScreenCol][panel.maxScreenRow];
getTileImage(); getTileImage();
loadMap("testmap");
} }
public void getTileImage() { public void getTileImage() {
@@ -27,17 +29,55 @@ public class TileManager {
tile[1].image = ImageIO.read(new FileInputStream("assets/tiles/wall.png")); tile[1].image = ImageIO.read(new FileInputStream("assets/tiles/wall.png"));
tile[2] = new Tile(); tile[2] = new Tile();
tile[2].image = ImageIO.read(new FileInputStream("assets/tiles/grass.png")); tile[2].image = ImageIO.read(new FileInputStream("assets/tiles/water.png"));
tile[3] = new Tile();
tile[3].image = ImageIO.read(new FileInputStream("assets/tiles/water.png"));
} catch (IOException e) { } catch (IOException e) {
e.printStackTrace(); e.printStackTrace();
} }
} }
public void loadMap(String map) {
try {
InputStream stream = new FileInputStream("assets/maps/"+map+".map");
BufferedReader bReader = new BufferedReader(new InputStreamReader(stream));
int col = 0;
int row = 0;
while(col < panel.maxScreenCol && row < panel.maxScreenRow) {
String line = bReader.readLine();
while(col < panel.maxScreenCol) {
String[] numbers = line.split(" ");
int num = Integer.parseInt(numbers[col]);
mapTileNum[col][row] = num;
col++;
}
if(col == panel.maxScreenCol) {
col = 0;
row++;
}
}
bReader.close();
} catch(Exception e) {
e.printStackTrace();
}
}
public void draw(Graphics2D graphics2D) { public void draw(Graphics2D graphics2D) {
graphics2D.drawImage(tile[0].image, 0, 0, panel.tileSize, panel.tileSize, null); int col = 0;
int row = 0;
int x = 0;
int y = 0;
while(col < panel.maxScreenCol && row < panel.maxScreenRow) {
int tileNum = mapTileNum[col][row];
graphics2D.drawImage(tile[tileNum].image, x, y, panel.tileSize, panel.tileSize, null);
col++;
x += panel.tileSize;
if(col == panel.maxScreenCol) {
col = 0;
x = 0;
row++;
y += panel.tileSize;
}
}
} }
} }