feature: Joy's splashes now load alongside vanilla's

src/client/java/gay/pridecraft/joy/JoyClient.java

@@ -1,5 +1,6 @@
 package gay.pridecraft.joy;
 
+import gay.pridecraft.joy.client.SplashUtil;
 import gay.pridecraft.joy.registry.JoyBlockEntityTypes;
 import gay.pridecraft.joy.registry.JoyBlocks;
 import gay.pridecraft.joy.registry.JoyEntities;
@@ -45,6 +46,8 @@ public class JoyClient implements ClientModInitializer {
 
         JoyUtil.registerEnabledPack("menu", Text.of("Joy's Main Menu & HUD"));
         JoyUtil.registerEnabledPack("glint", Text.of("Joy's Enchantment Glint"));
+
+        SplashUtil.init();
     }
 
     private static void registerBedBlockRenderLayers() {

src/client/java/gay/pridecraft/joy/client/SplashUtil.java

@@ -0,0 +1,112 @@
+package gay.pridecraft.joy.client;
+
+import com.mojang.logging.LogUtils;
+import gay.pridecraft.joy.JoyUtil;
+import net.minecraft.resource.ResourceManager;
+import net.minecraft.util.Identifier;
+import org.slf4j.Logger;
+
+import java.io.IOException;
+import java.time.LocalDate;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Random;
+import java.util.stream.Stream;
+
+/**
+ * @author Ampflower
+ * @since 1.0.0
+ **/
+public final class SplashUtil {
+    private static final Logger logger = LogUtils.getLogger();
+    private static final Random random = new Random();
+    private static final Identifier joySplashes = JoyUtil.id("texts/splashes.txt");
+    private static final Map<Birthday, List<String>> birthdays = new HashMap<>();
+    private static final List<String> contributors = makeContributors();
+
+    private static final byte
+            JAN = 1,
+            FEB = 2,
+            MAR = 3,
+            APR = 4,
+            MAY = 5,
+            JUN = 6,
+            JUL = 7,
+            AUG = 8,
+            SEP = 9,
+            OCT = 10,
+            NOV = 11,
+            DEC = 12;
+
+    public static void init() {
+        putBirthday(MAR, 18, "TheClashFruit");
+        putBirthday(SEP, 14, "Blurry");
+        putBirthday(NOV, 8, "Fery");
+    }
+
+    private static List<String> makeContributors() {
+        final var metadata = JoyUtil.joyContainer.getMetadata();
+
+        final var authors = metadata.getAuthors()
+                .stream()
+                .map(person -> "Joy, made by " + person.getName() + "!");
+
+        final var contributors = metadata.getContributors()
+                .stream()
+                .map(person -> "Joy, aided by " + person.getName() + "!");
+
+        return Stream.concat(authors, contributors).toList();
+    }
+
+    public static List<String> prepare(ResourceManager manager) {
+        try (final var reader = manager.openAsReader(joySplashes)) {
+            return Stream.concat(reader.lines(), contributors.stream()).toList();
+        } catch (IOException ioe) {
+            logger.warn("Could not read Joy splashes", ioe);
+        }
+
+        return contributors;
+    }
+
+    private static void putBirthday(int month, int day, String... name) {
+        birthdays.put(new Birthday(month, day), List.of(name));
+    }
+
+    public static List<String> getBirthdays() {
+        return birthdays.get(Birthday.now());
+    }
+
+    public static String getBirthday(double chance) {
+        if (random.nextDouble() < chance) {
+            return null;
+        }
+
+        final var list = getBirthdays();
+        if (list == null || list.isEmpty()) {
+            return null;
+        }
+
+        return "Happy birthday, " + getRandom(list) + "!";
+    }
+
+    private static <T> T getRandom(List<T> list) {
+        return list.get(random.nextInt(list.size()));
+    }
+
+    private record Birthday(byte month, byte day) {
+        private Birthday(int month, int day) {
+            this((byte) month, (byte) day);
+        }
+
+        public static Birthday now() {
+            final var now = LocalDate.now();
+            return new Birthday(now.getMonthValue(), now.getDayOfMonth());
+        }
+
+        @Override
+        public int hashCode() {
+            return (month << 8) | day;
+        }
+    }
+}

src/client/java/gay/pridecraft/joy/mixin/client/SplashTextResourceSupplierMixin.java

@@ -1,52 +1,35 @@
 package gay.pridecraft.joy.mixin.client;
 
 import com.llamalad7.mixinextras.injector.ModifyReturnValue;
-import gay.pridecraft.joy.Joy;
-import net.fabricmc.loader.api.FabricLoader;
+import com.llamalad7.mixinextras.sugar.Local;
+import gay.pridecraft.joy.client.SplashUtil;
+import net.minecraft.client.gui.screen.SplashTextRenderer;
 import net.minecraft.client.resource.SplashTextResourceSupplier;
 import org.spongepowered.asm.mixin.Mixin;
 
 import net.minecraft.resource.ResourceManager;
-import net.minecraft.util.profiler.Profiler;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
-import java.time.LocalDateTime;
-import java.time.Month;
-import java.util.ArrayList;
 import java.util.List;
 
 @Mixin(SplashTextResourceSupplier.class)
 public class SplashTextResourceSupplierMixin {
-    @ModifyReturnValue(method = "prepare(Lnet/minecraft/resource/ResourceManager;Lnet/minecraft/util/profiler/Profiler;)Ljava/util/List;", at = @At("RETURN"))
-    private List<String> onPrepare(List<String> original) {
-        List<String> bdSplash = new ArrayList<>();
+    @ModifyReturnValue(method = "prepare", at = @At("RETURN"))
+    private List<String> onPrepare(List<String> original, @Local(argsOnly = true) ResourceManager resourceManager) {
+        original.addAll(SplashUtil.prepare(resourceManager));
 
-        FabricLoader
-                .getInstance()
-                .getModContainer(Joy.MOD_ID)
-                .ifPresent(modContainer ->
-                        modContainer
-                                .getMetadata()
-                                .getAuthors()
-                                .forEach(author ->
-                                        original.add("Made by " + author.getName() + "!")
-                                )
-                );
+        return original;
+    }
 
-        LocalDateTime now = LocalDateTime.now();
+    @Inject(method = "get", at = @At("HEAD"), cancellable = true)
+    private void onGet(CallbackInfoReturnable<SplashTextRenderer> ci) {
+        String birthday = SplashUtil.getBirthday(.5);
 
-        if (now.getMonth() == Month.MARCH && now.getDayOfMonth() == 18)
-            bdSplash.add("Happy Birthday, TheClashFruit!");
-
-        if (now.getMonth() == Month.SEPTEMBER && now.getDayOfMonth() == 14)
-            bdSplash.add("Happy Birthday, Blurry!");
-
-        if (now.getMonth() == Month.NOVEMBER && now.getDayOfMonth() == 8)
-            bdSplash.add("Happy Birthday, Fery!");
-
-        return !bdSplash.isEmpty() ? bdSplash : original;
+        if (birthday != null) {
+            ci.setReturnValue(new SplashTextRenderer(birthday));
+        }
     }
 }