Add support for multiline splash text

src/main/java/com/mosadie/servermainmenu/api/MenuTheme.java

@@ -8,11 +8,7 @@
 public interface MenuTheme {
     String getId();
     Identifier getPanorama();
-    @Deprecated
-    default String getSplashText() {
-        return null;
-    }
-    Text getSplashAsText();
+    SplashText getSplashText();
 
     boolean rollOdds();
 

src/main/java/com/mosadie/servermainmenu/api/NormalTheme.java

@@ -20,8 +20,11 @@ public Identifier getPanorama() {
     }
 
     @Override
-    public Text getSplashAsText() {
-        return Text.literal("Just a normal menu...");
+    public SplashText getSplashText() {
+        return SplashText.builder()
+                .addLine("Just a normal menu...")
+                .addLine("yay!")
+                .build();
     }
 
     @Override

src/main/java/com/mosadie/servermainmenu/api/SplashText.java

@@ -0,0 +1,35 @@
+package com.mosadie.servermainmenu.api;
+
+import net.minecraft.text.Text;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public record SplashText(Text[] lines) {
+    public static Builder builder(Text text) {
+        return builder().addLine(text);
+    }
+    public static Builder builder(String text) {
+        return builder().addLine(text);
+    }
+    public static Builder builder() {
+        return new Builder();
+    }
+
+    public static final class Builder {
+        private final List<Text> lines = new ArrayList<>();
+
+        public Builder addLine(Text text) {
+            lines.add(text);
+            return this;
+        }
+        public Builder addLine(String text) {
+            lines.add(Text.literal(text).setStyle(Util.SPLASH_TEXT_STYLE));
+            return this;
+        }
+
+        public SplashText build() {
+            return new SplashText(lines.toArray(Text[]::new));
+        }
+    }
+}

src/main/java/com/mosadie/servermainmenu/client/ServerMainMenuLibClient.java

@@ -78,15 +78,12 @@ public static MenuTheme getTheme() {
 
     private static ServerMainMenuLibConfig config;
 
-    @SuppressWarnings("deprecation")
-    public static Text getSplashText() {
+    public static Text[] getSplashText() {
         if (config != null && config.splashOptions.overrideSplash) {
-            return Text.of(config.splashOptions.overrideSplashText);
+            return new Text[] { Text.of(config.splashOptions.overrideSplashText) };
         }
 
-        // Should still work with old mods that don't implement the asText method I hope...
-        if (getTheme().getSplashText() != null) return Text.literal(getTheme().getSplashText()).setStyle(Util.SPLASH_TEXT_STYLE);
-        return getTheme().getSplashAsText();
+        return getTheme().getSplashText().lines();
     }
 
     public static Text getButtonText() {

src/main/java/com/mosadie/servermainmenu/duck/MultilineSplashTextRenderer.java

@@ -0,0 +1,7 @@
+package com.mosadie.servermainmenu.duck;
+
+import net.minecraft.text.Text;
+
+public interface MultilineSplashTextRenderer {
+    void smm_lib$setMultilineText(Text[] multilineText);
+}

src/main/java/com/mosadie/servermainmenu/mixin/SplashTextRendererMixin.java

@@ -0,0 +1,62 @@
+package com.mosadie.servermainmenu.mixin;
+
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
+import com.mosadie.servermainmenu.duck.MultilineSplashTextRenderer;
+import net.minecraft.client.font.Alignment;
+import net.minecraft.client.font.DrawnTextConsumer;
+import net.minecraft.client.font.TextRenderer;
+import net.minecraft.client.gui.screen.SplashTextRenderer;
+import net.minecraft.text.StringVisitable;
+import net.minecraft.text.Text;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Unique;
+import org.spongepowered.asm.mixin.injection.At;
+
+@Mixin(SplashTextRenderer.class)
+public abstract class SplashTextRendererMixin implements MultilineSplashTextRenderer {
+    @Unique
+    private Text[] smm_lib$multilineText;
+
+    @WrapOperation(
+            method = "render",
+            at = @At(
+                    value = "INVOKE",
+                    target = "Lnet/minecraft/client/font/TextRenderer;getWidth(Lnet/minecraft/text/StringVisitable;)I"
+            )
+    )
+    private int smm_lib$getMultilineTextWidth(TextRenderer instance, StringVisitable text, Operation<Integer> original) {
+        if (smm_lib$multilineText == null) return original.call(instance, text);
+
+        int result = 0;
+        for (Text line : smm_lib$multilineText) {
+            result = Math.max(original.call(instance, line), result);
+        }
+        return result;
+    }
+
+    @WrapOperation(
+            method = "render",
+            at = @At(
+                    value = "INVOKE",
+                    target = "Lnet/minecraft/client/font/DrawnTextConsumer;text(Lnet/minecraft/client/font/Alignment;IILnet/minecraft/client/font/DrawnTextConsumer$Transformation;Lnet/minecraft/text/Text;)V"
+            )
+    )
+    private void smm_lib$renderMultilineText(DrawnTextConsumer instance, Alignment alignment, int x, int y, DrawnTextConsumer.Transformation transformation, Text text, Operation<Void> original) {
+        if (smm_lib$multilineText == null) {
+            original.call(instance, alignment, x, y, transformation, text);
+            return;
+        }
+
+        for (Text line : smm_lib$multilineText) {
+            // Use center alignment as then... idk I'd say it looks better
+            original.call(instance, Alignment.CENTER, 0, y, transformation, line);
+            y += 9;
+        }
+    }
+
+    @Override
+    public void smm_lib$setMultilineText(Text[] multilineText) {
+        this.smm_lib$multilineText = multilineText;
+    }
+}

src/main/java/com/mosadie/servermainmenu/mixin/TitleScreenMixin.java

@@ -1,6 +1,7 @@
 package com.mosadie.servermainmenu.mixin;
 
 import com.mosadie.servermainmenu.client.ServerMainMenuLibClient;
+import com.mosadie.servermainmenu.duck.MultilineSplashTextRenderer;
 import com.terraformersmc.modmenu.ModMenu;
 import com.terraformersmc.modmenu.api.ModMenuApi;
 import net.minecraft.client.MinecraftClient;
@@ -45,8 +46,12 @@ private void injectOnDisplayed(CallbackInfo ci) {
 
     @Inject(method = "init()V", at = @At("HEAD"))
     private void injectSplashText(CallbackInfo info) {
-        if (splashText == null)
-            this.splashText = new SplashTextRenderer(ServerMainMenuLibClient.getSplashText());
+        if (splashText == null) {
+            Text[] splashes = ServerMainMenuLibClient.getSplashText();
+            // Still provide the first line or empty to avoid anything else that tries to use it crashing
+            this.splashText = new SplashTextRenderer(splashes.length == 0 ? Text.of("") : splashes[0]);
+            ((MultilineSplashTextRenderer) this.splashText).smm_lib$setMultilineText(splashes);
+        }
     }
 
     @Redirect(method = "init()V", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/gui/screen/TitleScreen;addNormalWidgets(II)I"))

src/main/resources/servermainmenu-lib.mixins.json

@@ -6,9 +6,10 @@
   "mixins": [
   ],
   "client": [
+    "IdentifierMixin",
+    "SplashTextRendererMixin",
     "TitleScreenInvoker",
-    "TitleScreenMixin",
-    "IdentifierMixin"
+    "TitleScreenMixin"
   ],
   "injectors": {
     "defaultRequire": 1