Encode head textures from hash part of skin URL

src/main/java/xyz/nucleoid/extras/lobby/block/DiceTaterBlock.java

@@ -17,20 +17,21 @@
 import net.minecraft.util.math.MathHelper;
 import net.minecraft.util.math.random.Random;
 import net.minecraft.world.World;
+import xyz.nucleoid.extras.util.SkinEncoder;
 
 public class DiceTaterBlock extends TinyPotatoBlock {
     private static final int ROLLING_FACE = 0;
     private static final int MAX_FACE = 6;
     private static final int ROLLING_TICKS = 8;
     private static final IntProperty FACE = IntProperty.of("face", ROLLING_FACE, MAX_FACE);
     private static final String[] TEXTURES = {
-        "ewogICJ0aW1lc3RhbXAiIDogMTYzOTMzNzEwMTMwNSwKICAicHJvZmlsZUlkIiA6ICJjNjc3MGJjZWMzZjE0ODA3ODc4MTU0NWRhMGFmMDI1NCIsCiAgInByb2ZpbGVOYW1lIiA6ICJDVUNGTDE2IiwKICAic2lnbmF0dXJlUmVxdWlyZWQiIDogdHJ1ZSwKICAidGV4dHVyZXMiIDogewogICAgIlNLSU4iIDogewogICAgICAidXJsIiA6ICJodHRwOi8vdGV4dHVyZXMubWluZWNyYWZ0Lm5ldC90ZXh0dXJlL2I0ZDQxMjY1NzRjM2RjYjk4NDc1NDdmMjlmMDRlNWRmNmNmMGZjNmQ4NjJiNGFiZTc1OTI2ZjM1OWQ1ZDZhOTEiLAogICAgICAibWV0YWRhdGEiIDogewogICAgICAgICJtb2RlbCIgOiAic2xpbSIKICAgICAgfQogICAgfQogIH0KfQ==",
-        "ewogICJ0aW1lc3RhbXAiIDogMTYzOTMzNjk2MzE5OCwKICAicHJvZmlsZUlkIiA6ICJjMGYzYjI3YTUwMDE0YzVhYjIxZDc5ZGRlMTAxZGZlMiIsCiAgInByb2ZpbGVOYW1lIiA6ICJDVUNGTDEzIiwKICAic2lnbmF0dXJlUmVxdWlyZWQiIDogdHJ1ZSwKICAidGV4dHVyZXMiIDogewogICAgIlNLSU4iIDogewogICAgICAidXJsIiA6ICJodHRwOi8vdGV4dHVyZXMubWluZWNyYWZ0Lm5ldC90ZXh0dXJlLzU5YjU2OGUzZDRlYjUzMDllMzY2MGY0YWNmYzA0ZWNhYTg0ODI1ZDJmZTRhMTMxMjU5MWQxMjhiMjY4NTllYWYiLAogICAgICAibWV0YWRhdGEiIDogewogICAgICAgICJtb2RlbCIgOiAic2xpbSIKICAgICAgfQogICAgfQogIH0KfQ==",
-        "ewogICJ0aW1lc3RhbXAiIDogMTYzOTMzNjkxNTMzMSwKICAicHJvZmlsZUlkIiA6ICI5MGQ1NDY0OGEzNWE0YmExYTI2Yjg1YTg4NTU4OGJlOSIsCiAgInByb2ZpbGVOYW1lIiA6ICJFdW4wbWlhIiwKICAic2lnbmF0dXJlUmVxdWlyZWQiIDogdHJ1ZSwKICAidGV4dHVyZXMiIDogewogICAgIlNLSU4iIDogewogICAgICAidXJsIiA6ICJodHRwOi8vdGV4dHVyZXMubWluZWNyYWZ0Lm5ldC90ZXh0dXJlLzc1M2UxOTYxZWJjMWRlNjJkZGIxMzE2ZGJhODQzNDhhN2FhOGMwN2MzMjJiOGY0ZThmNmY1OGY1NWNmMjgwNjAiLAogICAgICAibWV0YWRhdGEiIDogewogICAgICAgICJtb2RlbCIgOiAic2xpbSIKICAgICAgfQogICAgfQogIH0KfQ==",
-        "ewogICJ0aW1lc3RhbXAiIDogMTYzOTMzNjg0MjM1OCwKICAicHJvZmlsZUlkIiA6ICIyMWFlMDM2OWJhMDM0NGFkOGY1ZjhlM2JlYTMwOTQ3MSIsCiAgInByb2ZpbGVOYW1lIiA6ICJWaXJhbF9BbmdlbCIsCiAgInNpZ25hdHVyZVJlcXVpcmVkIiA6IHRydWUsCiAgInRleHR1cmVzIiA6IHsKICAgICJTS0lOIiA6IHsKICAgICAgInVybCIgOiAiaHR0cDovL3RleHR1cmVzLm1pbmVjcmFmdC5uZXQvdGV4dHVyZS81N2ViOGYwZTM2ZDk4ODE4Y2FlZTEwNjc2MjVkOGVhYTVkNzY2ZjUxZDBmN2ZhNzU1OTVhNDhmNDMwMzQ1OTg2IiwKICAgICAgIm1ldGFkYXRhIiA6IHsKICAgICAgICAibW9kZWwiIDogInNsaW0iCiAgICAgIH0KICAgIH0KICB9Cn0=",
-        "ewogICJ0aW1lc3RhbXAiIDogMTYzOTMzNzAwNDIyMiwKICAicHJvZmlsZUlkIiA6ICJjNTZlMjI0MmNiZWY0MWE2ODdlMzI2MGRjMGNmOTM2MSIsCiAgInByb2ZpbGVOYW1lIiA6ICJMSlI3MzEwMCIsCiAgInNpZ25hdHVyZVJlcXVpcmVkIiA6IHRydWUsCiAgInRleHR1cmVzIiA6IHsKICAgICJTS0lOIiA6IHsKICAgICAgInVybCIgOiAiaHR0cDovL3RleHR1cmVzLm1pbmVjcmFmdC5uZXQvdGV4dHVyZS82MTM3MzFkMjI0YmUxZmQxODRmZjc1OWE1ZTE3YTg5NmMzYzI2ZDM1MDU3YzZkOTk4OWYwN2FlN2ZmZTQ3MTIwIiwKICAgICAgIm1ldGFkYXRhIiA6IHsKICAgICAgICAibW9kZWwiIDogInNsaW0iCiAgICAgIH0KICAgIH0KICB9Cn0=",
-        "ewogICJ0aW1lc3RhbXAiIDogMTYzOTMzNzA1MTk4MywKICAicHJvZmlsZUlkIiA6ICIxYTc1ZTNiYmI1NTk0MTc2OTVjMmY4NTY1YzNlMDAzZCIsCiAgInByb2ZpbGVOYW1lIiA6ICJUZXJvZmFyIiwKICAic2lnbmF0dXJlUmVxdWlyZWQiIDogdHJ1ZSwKICAidGV4dHVyZXMiIDogewogICAgIlNLSU4iIDogewogICAgICAidXJsIiA6ICJodHRwOi8vdGV4dHVyZXMubWluZWNyYWZ0Lm5ldC90ZXh0dXJlL2ExNGIwODA3OGJmOTdlODJiYjcwNTZiN2E0ZjgyMDYyNmE0MmZlNzIzOTVjYmJmMzNhMGVlYTcyYWYwZTdhMTIiLAogICAgICAibWV0YWRhdGEiIDogewogICAgICAgICJtb2RlbCIgOiAic2xpbSIKICAgICAgfQogICAgfQogIH0KfQ==",
-        "ewogICJ0aW1lc3RhbXAiIDogMTYzOTMzNzAyMjk5MSwKICAicHJvZmlsZUlkIiA6ICJiNjc3NTgwYzExYmU0ZjNiODI1OGM0YjBkNzNhNzg0ZiIsCiAgInByb2ZpbGVOYW1lIiA6ICJPZmZpY2lhbGx5SksiLAogICJzaWduYXR1cmVSZXF1aXJlZCIgOiB0cnVlLAogICJ0ZXh0dXJlcyIgOiB7CiAgICAiU0tJTiIgOiB7CiAgICAgICJ1cmwiIDogImh0dHA6Ly90ZXh0dXJlcy5taW5lY3JhZnQubmV0L3RleHR1cmUvOWM0MGJmNzBmMTY0OGI3ZWU0MzhhNmEyMjkwNDIyOGFiNWZiYmQ0OTI2YWYzMGFlOGFkZTRkZjAxYjhkNzQxMyIsCiAgICAgICJtZXRhZGF0YSIgOiB7CiAgICAgICAgIm1vZGVsIiA6ICJzbGltIgogICAgICB9CiAgICB9CiAgfQp9",
+        SkinEncoder.encode("b4d4126574c3dcb9847547f29f04e5df6cf0fc6d862b4abe75926f359d5d6a91"),
+        SkinEncoder.encode("59b568e3d4eb5309e3660f4acfc04ecaa84825d2fe4a1312591d128b26859eaf"),
+        SkinEncoder.encode("753e1961ebc1de62ddb1316dba84348a7aa8c07c322b8f4e8f6f58f55cf28060"),
+        SkinEncoder.encode("57eb8f0e36d98818caee1067625d8eaa5d766f51d0f7fa75595a48f430345986"),
+        SkinEncoder.encode("613731d224be1fd184ff759a5e17a896c3c26d35057c6d9989f07ae7ffe47120"),
+        SkinEncoder.encode("a14b08078bf97e82bb7056b7a4f820626a42fe72395cbbf33a0eea72af0e7a12"),
+        SkinEncoder.encode("9c40bf70f1648b7ee438a6a22904228ab5fbbd4926af30ae8ade4df01b8d7413"),
     };
 
     public DiceTaterBlock(Settings settings) {

src/main/java/xyz/nucleoid/extras/lobby/block/LuckyTaterBlock.java

@@ -28,6 +28,7 @@
 import net.minecraft.util.math.random.Random;
 import net.minecraft.world.World;
 import xyz.nucleoid.extras.NucleoidExtras;
+import xyz.nucleoid.extras.util.SkinEncoder;
 
 public class LuckyTaterBlock extends TinyPotatoBlock {
     private static final BooleanProperty COOLDOWN = BooleanProperty.of("cooldown");
@@ -40,7 +41,7 @@ public class LuckyTaterBlock extends TinyPotatoBlock {
 
     public LuckyTaterBlock(Settings settings, String texture, String cooldownTexture) {
         super(settings, (ParticleEffect) null, texture);
-        this.cooldownTexture = cooldownTexture;
+        this.cooldownTexture = SkinEncoder.encode(cooldownTexture);
 
         this.setDefaultState(this.stateManager.getDefaultState().with(COOLDOWN, false));
     }

src/main/java/xyz/nucleoid/extras/lobby/block/TinyPotatoBlock.java

@@ -22,6 +22,7 @@
 import net.minecraft.util.math.Box;
 import net.minecraft.util.math.MathHelper;
 import net.minecraft.world.World;
+import xyz.nucleoid.extras.util.SkinEncoder;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -37,7 +38,7 @@ public class TinyPotatoBlock extends Block implements PolymerHeadBlock {
     public TinyPotatoBlock(Settings settings, ParticleEffect particleEffect, String texture, int particleRate) {
         super(settings);
         this.particleEffect = particleEffect;
-        this.texture = texture;
+        this.texture = SkinEncoder.encode(texture);
         this.particleRate = particleRate;
 
         TATERS.add(this);

src/main/java/xyz/nucleoid/extras/util/PagedGui.java

@@ -140,7 +140,7 @@ public static DisplayElement nextPage(PagedGui gui) {
                     new GuiElementBuilder(Items.PLAYER_HEAD)
                         .setName(Text.translatable("spectatorMenu.next_page").formatted(Formatting.DARK_GRAY))
                         .hideFlags()
-                        .setSkullOwner("ewogICJ0aW1lc3RhbXAiIDogMTY0MDYxNjExMDQ4OCwKICAicHJvZmlsZUlkIiA6ICIxZjEyNTNhYTVkYTQ0ZjU5YWU1YWI1NmFhZjRlNTYxNyIsCiAgInByb2ZpbGVOYW1lIiA6ICJOb3RNaUt5IiwKICAic2lnbmF0dXJlUmVxdWlyZWQiIDogdHJ1ZSwKICAidGV4dHVyZXMiIDogewogICAgIlNLSU4iIDogewogICAgICAidXJsIiA6ICJodHRwOi8vdGV4dHVyZXMubWluZWNyYWZ0Lm5ldC90ZXh0dXJlLzdlNTc3MjBhNDg3OGM4YmNhYjBlOWM5YzQ3ZDllNTUxMjhjY2Q3N2JhMzQ0NWE1NGE5MWUzZTFlMWEyNzM1NmUiLAogICAgICAibWV0YWRhdGEiIDogewogICAgICAgICJtb2RlbCIgOiAic2xpbSIKICAgICAgfQogICAgfQogIH0KfQ==")
+                        .setSkullOwner(SkinEncoder.encode("7e57720a4878c8bcab0e9c9c47d9e55128ccd77ba3445a54a91e3e1e1a27356e"))
                 );
             }
         }
@@ -159,7 +159,7 @@ public static DisplayElement previousPage(PagedGui gui) {
                     new GuiElementBuilder(Items.PLAYER_HEAD)
                         .setName(Text.translatable("spectatorMenu.previous_page").formatted(Formatting.DARK_GRAY))
                         .hideFlags()
-                        .setSkullOwner("ewogICJ0aW1lc3RhbXAiIDogMTY0MDYxNjE5MjE0MiwKICAicHJvZmlsZUlkIiA6ICJmMjc0YzRkNjI1MDQ0ZTQxOGVmYmYwNmM3NWIyMDIxMyIsCiAgInByb2ZpbGVOYW1lIiA6ICJIeXBpZ3NlbCIsCiAgInNpZ25hdHVyZVJlcXVpcmVkIiA6IHRydWUsCiAgInRleHR1cmVzIiA6IHsKICAgICJTS0lOIiA6IHsKICAgICAgInVybCIgOiAiaHR0cDovL3RleHR1cmVzLm1pbmVjcmFmdC5uZXQvdGV4dHVyZS81MDgyMGY3NmUzZTA0MWM3NWY3NmQwZjMwMTIzMmJkZjQ4MzIxYjUzNGZlNmE4NTljY2I4NzNkMjk4MWE5NjIzIiwKICAgICAgIm1ldGFkYXRhIiA6IHsKICAgICAgICAibW9kZWwiIDogInNsaW0iCiAgICAgIH0KICAgIH0KICB9Cn0=")
+                        .setSkullOwner(SkinEncoder.encode("50820f76e3e041c75f76d0f301232bdf48321b534fe6a859ccb873d2981a9623"))
                 );
             }
         }

src/main/java/xyz/nucleoid/extras/util/SkinEncoder.java

@@ -0,0 +1,25 @@
+package xyz.nucleoid.extras.util;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+
+public class SkinEncoder {
+    /**
+     * @param hash a hash part of the skin URL after <a href="http://textures.minecraft.net/texture/">http://textures.minecraft.net/texture/</a>
+     * @return Base64-encoded skin texture for player heads
+     */
+    public static String encode(String hash) {
+        if (hash == null) return null;
+        return encodeUrl("http://textures.minecraft.net/texture/" + hash);
+    }
+
+    /**
+     * @return Base64-encoded skin texture for player heads
+     */
+    public static String encodeUrl(String url) {
+        if (url == null) return null;
+        var value = """
+            {"textures":{"SKIN":{"url":"%s"}}}""".formatted(url);
+        return new String(Base64.getEncoder().encode(value.getBytes(StandardCharsets.UTF_8)), StandardCharsets.UTF_8);
+    }
+}