cleanup

src/main/java/eu/mhsl/minecraft/pixelpics/utils/ImageMapRenderer.java

@@ -0,0 +1,46 @@
+package eu.mhsl.minecraft.pixelpics.utils;
+
+import org.bukkit.entity.Player;
+import org.bukkit.map.MapCanvas;
+import org.bukkit.map.MapRenderer;
+import org.bukkit.map.MapView;
+import org.jetbrains.annotations.NotNull;
+
+import java.awt.image.BufferedImage;
+
+public class ImageMapRenderer extends MapRenderer {
+    public static final int MAP_SIZE = 128;
+    private final BufferedImage image;
+    private boolean alreadyRendered = false;
+
+    public ImageMapRenderer(BufferedImage image) {
+        this(image, 0, 0);
+    }
+
+    public ImageMapRenderer(BufferedImage image, int x, int y) {
+        this.image = this.recalculateInput(image, x, y);
+    }
+
+    private BufferedImage recalculateInput(BufferedImage input, int x, int y) {
+        if (x * MAP_SIZE > input.getWidth() || y * MAP_SIZE > input.getHeight())
+            throw new RuntimeException(String.format("Input image mus match a multiple of x and y with %d", MAP_SIZE));
+
+        int x1 = (int) (double) (x * MAP_SIZE);
+        int y1 = (int) (double) (y * MAP_SIZE);
+
+        int x2 = (int) (double) Math.min(input.getWidth(), ((x + 1) * MAP_SIZE));
+        int y2 = (int) (double) Math.min(input.getHeight(), ((y + 1) * MAP_SIZE));
+
+        if (x2 - x1 <= 0 || y2 - y1 <= 0)
+            throw new RuntimeException("Invalid Image dimensions!");
+
+        return input.getSubimage(x1, y1, x2 - x1, y2 - y1);
+    }
+
+    @Override
+    public void render(@NotNull MapView map, @NotNull MapCanvas canvas, @NotNull Player player) {
+        if(this.alreadyRendered) return;
+        canvas.drawImage(0, 0, this.image);
+        this.alreadyRendered = true;
+    }
+}