Add basic support for the resource-changes of the 1.20.3 snapshots

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/map/TextureGallery.java

@@ -30,10 +30,12 @@
 import de.bluecolored.bluemap.core.resources.adapter.ResourcesGson;
 import de.bluecolored.bluemap.core.resources.resourcepack.ResourcePack;
 import de.bluecolored.bluemap.core.resources.resourcepack.texture.Texture;
+import de.bluecolored.bluemap.core.util.Key;
 import org.jetbrains.annotations.Nullable;
 
 import java.io.*;
 import java.util.Arrays;
+import java.util.Comparator;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -66,7 +68,10 @@ public synchronized int put(ResourcePath<Texture> textureResourcePath) {
     }
 
     public synchronized void put(ResourcePack resourcePack) {
-        resourcePack.getTextures().keySet().forEach(this::put);
+        resourcePack.getTextures().keySet()
+                .stream()
+                .sorted(Comparator.comparing(Key::getFormatted))
+                .forEach(this::put);
     }
 
     public void writeTexturesFile(ResourcePack resourcePack, OutputStream out) throws IOException {
@@ -98,7 +103,7 @@ public static TextureGallery readTexturesFile(InputStream in) throws IOException
             for (int ordinal = 0; ordinal < textures.length; ordinal++) {
                 Texture texture = textures[ordinal];
                 if (texture != null) {
-                    gallery.ordinalMap.put(textures[ordinal].getResourcePath(), ordinal);
+                    gallery.ordinalMap.put(texture.getResourcePath(), ordinal);
                 }
             }
         } catch (JsonIOException ex) {

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/resources/resourcepack/texture/Texture.java

@@ -26,6 +26,7 @@
 
 import de.bluecolored.bluemap.api.debug.DebugDump;
 import de.bluecolored.bluemap.core.resources.ResourcePath;
+import de.bluecolored.bluemap.core.util.BufferedImageUtil;
 import de.bluecolored.bluemap.core.util.math.Color;
 
 import javax.imageio.ImageIO;
@@ -112,7 +113,7 @@ public static Texture from(ResourcePath<Texture> resourcePath, BufferedImage ima
         boolean halfTransparent = checkHalfTransparent(image);
 
         //calculate color
-        Color color = calculateColor(image);
+        Color color = BufferedImageUtil.averageColor(image);
 
         //write to Base64
         ByteArrayOutputStream os = new ByteArrayOutputStream();
@@ -136,36 +137,6 @@ private static boolean checkHalfTransparent(BufferedImage image){
         return false;
     }
 
-    private static Color calculateColor(BufferedImage image){
-        float alpha = 0f, red = 0f, green = 0f, blue = 0f;
-        int count = 0;
-
-        for (int x = 0; x < image.getWidth(); x++){
-            for (int y = 0; y < image.getHeight(); y++){
-                int pixel = image.getRGB(x, y);
-                float pixelAlpha = ((pixel >> 24) & 0xff) / 255f;
-                float pixelRed = ((pixel >> 16) & 0xff) / 255f;
-                float pixelGreen = ((pixel >> 8) & 0xff) / 255f;
-                float pixelBlue = (pixel & 0xff) / 255f;
-
-                count++;
-                alpha += pixelAlpha;
-                red += pixelRed * pixelAlpha;
-                green += pixelGreen * pixelAlpha;
-                blue += pixelBlue * pixelAlpha;
-            }
-        }
-
-        if (count == 0 || alpha == 0) return new Color();
-
-        red /= alpha;
-        green /= alpha;
-        blue /= alpha;
-        alpha /= count;
-
-        return new Color().set(red, green, blue, alpha, false);
-    }
-
     public static Texture missing(ResourcePath<Texture> resourcePath) {
         return new Texture(resourcePath);
     }

BlueMapCore/src/main/java/de/bluecolored/bluemap/core/util/BufferedImageUtil.java

@@ -0,0 +1,63 @@
+package de.bluecolored.bluemap.core.util;
+
+import de.bluecolored.bluemap.core.util.math.Color;
+import org.jetbrains.annotations.Nullable;
+
+import java.awt.image.BufferedImage;
+import java.awt.image.RenderedImage;
+
+public class BufferedImageUtil {
+
+    public static Color averageColor(BufferedImage image) {
+        Color average = new Color();
+        Color color = new Color();
+        float[] buffer = null;
+        int count = 0;
+        for (int x = 0; x < image.getWidth(); x++) {
+            for (int y = 0; y < image.getHeight(); y++) {
+                buffer = readPixel(image, x, y, color, buffer);
+
+                count++;
+                average.add(color.premultiplied());
+            }
+        }
+        average.div(count);
+        return average;
+    }
+
+    public static Color readPixel(BufferedImage image, int x, int y, @Nullable Color target) {
+        readPixel(image, x, y, target, null);
+        return target;
+    }
+
+    private static float[] readPixel(BufferedImage image, int x, int y, @Nullable Color target, float @Nullable [] buffer) {
+        if (target == null) target = new Color();
+
+        // workaround for java bug: 5051418
+        if (image.getType() == BufferedImage.TYPE_BYTE_GRAY) {
+            buffer = readPixelDirect(image, x, y, target, buffer);
+        } else {
+            readPixelDefault(image, x, y, target);
+        }
+
+        return buffer;
+    }
+
+    private static void readPixelDefault(BufferedImage image, int x, int y, Color target) {
+        target.set(image.getRGB(x, y), image.getColorModel().isAlphaPremultiplied());
+    }
+
+    private static float[] readPixelDirect(RenderedImage image, int x, int y, Color target, float @Nullable [] buffer) {
+        buffer = image.getData().getPixel(x, y, buffer);
+
+        float a = buffer.length >= 4 ? buffer[3] / 255f : 1f;
+        float r = buffer[0] / 255f;
+        float g = buffer.length >= 3 ? buffer[1] / 255f : r;
+        float b = buffer.length >= 3 ? buffer[2] / 255f : r;
+
+        target.set(r, g, b, a, image.getColorModel().isAlphaPremultiplied());
+
+        return buffer;
+    }
+
+}

BlueMapCore/src/main/resourceExtensions/mc1_18/assets/minecraft/blockColors.json

@@ -7,6 +7,7 @@
 	"minecraft:lava_cauldron": "#ffffff",
 	"minecraft:grass_block": "@grass",
 	"minecraft:grass": "@grass",
+	"minecraft:short_grass": "@grass",
 	"minecraft:tall_grass": "@grass",
 	"minecraft:fern": "@grass",
 	"minecraft:large_fern": "@grass",

BlueMapCore/src/main/resourceExtensions/mc1_18/assets/minecraft/blockProperties.json

@@ -6,6 +6,7 @@
 	"minecraft:bubble_column": { "alwaysWaterlogged": true },
 
 	"minecraft:grass": { "randomOffset": true },
+	"minecraft:short_grass": { "randomOffset": true },
 	"minecraft:tall_grass": { "randomOffset": true },
 	"minecraft:fern": { "randomOffset": true },
 	"minecraft:dandelion": { "randomOffset": true },