[Issue-4641]Provide a way to get the player's head by uuid

Xplat/src/main/java/vazkii/botania/common/block/block_entity/RunicAltarBlockEntity.java

@@ -424,8 +424,8 @@ public static void render(RunicAltarBlockEntity altar, GuiGraphics gui, Minecraf
 						ms.popPose();
 					}
 
-					RenderHelper.renderProgressPie(gui, xc + radius + 32, yc - 8, progress,
-							recipe.assemble(altar.getItemHandler(), altar.getLevel().registryAccess()));
+					ItemStack output = recipe.assemble(altar.getItemHandler(), altar.getLevel().registryAccess());
+					RenderHelper.renderProgressPie(gui, xc + radius + 32, yc - 8, progress, output);
 
 					if (progress == 1F) {
 						gui.drawString(mc.font, "+", xc + radius + 14, yc + 12, 0xFFFFFF, false);
@@ -445,9 +445,13 @@ public static void render(RunicAltarBlockEntity altar, GuiGraphics gui, Minecraf
 			}
 			if (altar.recipeKeepTicks > 0 && altar.canAddLastRecipe()) {
 				String s = I18n.get("botaniamisc.altarRefill0");
-				gui.drawString(mc.font, s, xc - mc.font.width(s) / 2, yc + 10, 0xFFFFFF);
+				if (s != null && !s.isEmpty()) {
+					gui.drawString(mc.font, s, xc - mc.font.width(s) / 2, yc + 10, 0xFFFFFF);
+				}
 				s = I18n.get("botaniamisc.altarRefill1");
-				gui.drawString(mc.font, s, xc - mc.font.width(s) / 2, yc + 20, 0xFFFFFF);
+				if (s != null && !s.isEmpty()) {
+					gui.drawString(mc.font, s, xc - mc.font.width(s) / 2, yc + 20, 0xFFFFFF);
+				}
 			}
 		}
 	}

Xplat/src/main/java/vazkii/botania/common/crafting/recipe/HeadRecipe.java

@@ -30,9 +30,11 @@
 import vazkii.botania.common.crafting.BotaniaRecipeTypes;
 import vazkii.botania.common.crafting.RunicAltarRecipe;
 import vazkii.botania.common.helper.ItemNBTHelper;
+import vazkii.botania.data.UuidNameProvider;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.regex.Pattern;
 
 public class HeadRecipe extends RunicAltarRecipe {
 
@@ -70,7 +72,15 @@ public ItemStack assemble(@NotNull Container inv, @NotNull RegistryAccess regist
 		for (int i = 0; i < inv.getContainerSize(); i++) {
 			ItemStack ingr = inv.getItem(i);
 			if (ingr.is(Items.NAME_TAG)) {
-				ItemNBTHelper.setString(stack, "SkullOwner", ingr.getHoverName().getString());
+				String nameTagText = ingr.getHoverName().getString();
+				if (isUUID(nameTagText)) {
+					// UUID
+					String PlayerName = UuidNameProvider.getPlayerNameFromUUID(nameTagText.replace("-", ""));
+					ItemNBTHelper.setString(stack, "SkullOwner", PlayerName);
+				} else {
+					// Player Name
+					ItemNBTHelper.setString(stack, "SkullOwner", ingr.getHoverName().getString());
+				}
 				break;
 			}
 		}
@@ -109,4 +119,10 @@ public void toNetwork(@NotNull FriendlyByteBuf buf, @NotNull HeadRecipe recipe)
 		}
 	}
 
+	private boolean isUUID(String input) {
+		String uuidRegex = "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-5][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$|^[0-9a-fA-F]{32}$";
+		Pattern pattern = Pattern.compile(uuidRegex);
+		return pattern.matcher(input).matches();
+	}
+
 }

Xplat/src/main/java/vazkii/botania/data/UuidNameProvider.java

@@ -0,0 +1,99 @@
+package vazkii.botania.data;
+
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+
+import org.jetbrains.annotations.Nullable;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.time.Duration;
+import java.time.Instant;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+public class UuidNameProvider {
+
+	private static final Map<String, CacheEntry> cache = new ConcurrentHashMap<>();
+	private static final Map<String, FailureEntry> failureTimes = new ConcurrentHashMap<>();
+	private static final Duration CACHE_DURATION = Duration.ofMinutes(15);
+	private static final int MAX_FAILURES = 5;
+
+	public static String getPlayerNameFromUUID(String uuid) {
+		CacheEntry entry = cache.get(uuid);
+		boolean isCacheExpired = entry == null || entry.isExpired();
+
+		if (!isCacheExpired) {
+			return entry.name;
+		}
+
+		try {
+			URL url = new URL("https://sessionserver.mojang.com/session/minecraft/profile/" + uuid);
+			HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+			connection.setRequestMethod("GET");
+
+			BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
+			String inputLine;
+			StringBuilder content = new StringBuilder();
+
+			while ((inputLine = in.readLine()) != null) {
+				content.append(inputLine);
+			}
+			in.close();
+
+			JsonObject jsonObject = JsonParser.parseString(content.toString()).getAsJsonObject();
+			if (jsonObject.has("name")) {
+				String name = jsonObject.get("name").getAsString();
+
+				cache.put(uuid, new CacheEntry(name));
+				failureTimes.remove(uuid); // Reset failure count on success
+
+				return name;
+			} else {
+				return SaveFailureData(uuid);
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+			return SaveFailureData(uuid);
+		}
+	}
+
+	@Nullable
+	private static String SaveFailureData(String uuid) {
+		recordFailureTime(uuid);
+		FailureEntry failureEntry = failureTimes.getOrDefault(uuid, new FailureEntry());
+		if (failureEntry.failures >= MAX_FAILURES) {
+			cache.put(uuid, new CacheEntry(uuid)); // Store UUID as Name
+			failureTimes.remove(uuid); // Reset failure count after storing UUID as Name
+			return uuid;
+		}
+		return null;
+	}
+
+	private static void recordFailureTime(String uuid) {
+		FailureEntry failureEntry = failureTimes.computeIfAbsent(uuid, k -> new FailureEntry());
+		failureEntry.failures++;
+		failureEntry.lastFailureTime = Instant.now();
+	}
+
+	private static class CacheEntry {
+		final String name;
+		final Instant creationTime;
+
+		CacheEntry(String name) {
+			this.name = name;
+			this.creationTime = Instant.now();
+		}
+
+		boolean isExpired() {
+			return Instant.now().isAfter(creationTime.plus(CACHE_DURATION));
+		}
+	}
+
+	private static class FailureEntry {
+		int failures = 0;
+		Instant lastFailureTime = Instant.now();
+	}
+}