58 lines
2.0 KiB
Java
58 lines
2.0 KiB
Java
package de.craftlancer.imagemaps;
|
|
|
|
import java.awt.geom.AffineTransform;
|
|
import java.awt.image.AffineTransformOp;
|
|
import java.awt.image.BufferedImage;
|
|
|
|
import org.bukkit.entity.Player;
|
|
import org.bukkit.map.MapCanvas;
|
|
import org.bukkit.map.MapRenderer;
|
|
import org.bukkit.map.MapView;
|
|
|
|
public class ImageMapRenderer extends MapRenderer {
|
|
private BufferedImage image = null;
|
|
private boolean first = true;
|
|
|
|
private final int x;
|
|
private final int y;
|
|
private final double scale;
|
|
|
|
public ImageMapRenderer(BufferedImage image, int x, int y, double scale) {
|
|
this.x = x;
|
|
this.y = y;
|
|
this.scale = scale;
|
|
recalculateInput(image);
|
|
}
|
|
|
|
public void recalculateInput(BufferedImage input) {
|
|
if (x * ImageMaps.MAP_WIDTH > input.getWidth() * scale || y * ImageMaps.MAP_HEIGHT > input.getHeight() * scale)
|
|
return;
|
|
|
|
int x1 = (int) Math.round(x * ImageMaps.MAP_WIDTH / scale);
|
|
int y1 = (int) Math.round(y * ImageMaps.MAP_HEIGHT / scale);
|
|
|
|
int x2 = (int) Math.round(Math.min(input.getWidth(), ((x + 1) * ImageMaps.MAP_WIDTH / scale)));
|
|
int y2 = (int) Math.round(Math.min(input.getHeight(), ((y + 1) * ImageMaps.MAP_HEIGHT / scale)));
|
|
|
|
this.image = input.getSubimage(x1, y1, x2 - x1, y2 - y1);
|
|
|
|
if (scale != 1D) {
|
|
BufferedImage resized = new BufferedImage(ImageMaps.MAP_WIDTH, ImageMaps.MAP_HEIGHT, input.getType());
|
|
AffineTransform at = new AffineTransform();
|
|
at.scale(scale, scale);
|
|
AffineTransformOp scaleOp = new AffineTransformOp(at, AffineTransformOp.TYPE_BILINEAR);
|
|
this.image = scaleOp.filter(this.image, resized);
|
|
}
|
|
|
|
first = true;
|
|
}
|
|
|
|
@Override
|
|
public void render(MapView view, MapCanvas canvas, Player player) {
|
|
if (image != null && first) {
|
|
canvas.drawImage(0, 0, image);
|
|
first = false;
|
|
}
|
|
}
|
|
}
|