From 31fe6f7419a73ea1845246179ae542ef68ced93c Mon Sep 17 00:00:00 2001
From: zenfyr <git@zenfyr.dev>
Date: Fri, 3 Jul 2026 22:30:00 +0700
Subject: [PATCH] creativetab: add a forge fallback for creative tabs

---
 .../CreativeModeTabBuilderImpl.java           |  1 +
 .../impl/creativetab/CreativeModeTabDuck.java |  7 ++++
 .../CreativeModeTabForgeMixin.java            | 35 +++++++++++++++++++
 .../creativetab/CreativeModeTabMixin.java     | 22 ++++++++++++
 src/main/resources/pulsar.mixins.json         |  6 ++--
 5 files changed, 69 insertions(+), 2 deletions(-)
 create mode 100644 src/main/java/dev/zenfyr/pulsar/impl/creativetab/CreativeModeTabDuck.java
 create mode 100644 src/main/java/dev/zenfyr/pulsar/impl/mixins/creativetab/CreativeModeTabForgeMixin.java
 create mode 100644 src/main/java/dev/zenfyr/pulsar/impl/mixins/creativetab/CreativeModeTabMixin.java

diff --git a/src/main/java/dev/zenfyr/pulsar/impl/creativetab/CreativeModeTabBuilderImpl.java b/src/main/java/dev/zenfyr/pulsar/impl/creativetab/CreativeModeTabBuilderImpl.java
index 451030a..0257885 100644
--- a/src/main/java/dev/zenfyr/pulsar/impl/creativetab/CreativeModeTabBuilderImpl.java
+++ b/src/main/java/dev/zenfyr/pulsar/impl/creativetab/CreativeModeTabBuilderImpl.java
@@ -69,6 +69,7 @@ public class CreativeModeTabBuilderImpl implements CreativeModeTabBuilder {
         (displayContext, entries1) -> this.entries.collect(new PulsarEntriesImpl(entries1)));
 
     CreativeModeTab group = builder.build();
+    ((CreativeModeTabDuck) group).pulsar$isPulsarTab(true);
     Registry.register(BuiltInRegistries.CREATIVE_MODE_TAB, this.location, group);
     return group;
   }
diff --git a/src/main/java/dev/zenfyr/pulsar/impl/creativetab/CreativeModeTabDuck.java b/src/main/java/dev/zenfyr/pulsar/impl/creativetab/CreativeModeTabDuck.java
new file mode 100644
index 0000000..3129ce2
--- /dev/null
+++ b/src/main/java/dev/zenfyr/pulsar/impl/creativetab/CreativeModeTabDuck.java
@@ -0,0 +1,7 @@
+package dev.zenfyr.pulsar.impl.creativetab;
+
+public interface CreativeModeTabDuck {
+  boolean pulsar$isPulsarTab();
+
+  void pulsar$isPulsarTab(boolean is);
+}
diff --git a/src/main/java/dev/zenfyr/pulsar/impl/mixins/creativetab/CreativeModeTabForgeMixin.java b/src/main/java/dev/zenfyr/pulsar/impl/mixins/creativetab/CreativeModeTabForgeMixin.java
new file mode 100644
index 0000000..8e972c9
--- /dev/null
+++ b/src/main/java/dev/zenfyr/pulsar/impl/mixins/creativetab/CreativeModeTabForgeMixin.java
@@ -0,0 +1,35 @@
+package dev.zenfyr.pulsar.impl.mixins.creativetab;
+
+import com.llamalad7.mixinextras.injector.wrapoperation.Operation;
+import com.llamalad7.mixinextras.injector.wrapoperation.WrapOperation;
+import dev.zenfyr.pulsar.impl.creativetab.CreativeModeTabDuck;
+import net.minecraft.resources.ResourceKey;
+import net.minecraft.world.item.CreativeModeTab;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+
+@Mixin(CreativeModeTab.class)
+public class CreativeModeTabForgeMixin {
+
+  @WrapOperation(
+      at =
+          @At(
+              value = "INVOKE",
+              target =
+                  "Lnet/minecraftforge/common/ForgeHooks;onCreativeModeTabBuildContents(Lnet/minecraft/world/item/CreativeModeTab;Lnet/minecraft/resources/ResourceKey;Lnet/minecraft/world/item/CreativeModeTab$DisplayItemsGenerator;Lnet/minecraft/world/item/CreativeModeTab$ItemDisplayParameters;Lnet/minecraft/world/item/CreativeModeTab$Output;)V"),
+      method = "buildContents",
+      require = 0)
+  private void pulsar$disableForgeEvent(
+      CreativeModeTab tab,
+      ResourceKey<CreativeModeTab> tabKey,
+      CreativeModeTab.DisplayItemsGenerator originalGenerator,
+      CreativeModeTab.ItemDisplayParameters params,
+      CreativeModeTab.Output output,
+      Operation<Void> original) {
+    if (!((CreativeModeTabDuck) tab).pulsar$isPulsarTab()) {
+      original.call(tab, tabKey, originalGenerator, params, output);
+    } else {
+      originalGenerator.accept(params, output);
+    }
+  }
+}
diff --git a/src/main/java/dev/zenfyr/pulsar/impl/mixins/creativetab/CreativeModeTabMixin.java b/src/main/java/dev/zenfyr/pulsar/impl/mixins/creativetab/CreativeModeTabMixin.java
new file mode 100644
index 0000000..ba2846a
--- /dev/null
+++ b/src/main/java/dev/zenfyr/pulsar/impl/mixins/creativetab/CreativeModeTabMixin.java
@@ -0,0 +1,22 @@
+package dev.zenfyr.pulsar.impl.mixins.creativetab;
+
+import dev.zenfyr.pulsar.impl.creativetab.CreativeModeTabDuck;
+import net.minecraft.world.item.CreativeModeTab;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Unique;
+
+@Mixin(CreativeModeTab.class)
+public class CreativeModeTabMixin implements CreativeModeTabDuck {
+
+  @Unique private boolean pulsar$Tab = false;
+
+  @Override
+  public boolean pulsar$isPulsarTab() {
+    return this.pulsar$Tab;
+  }
+
+  @Override
+  public void pulsar$isPulsarTab(boolean is) {
+    this.pulsar$Tab = is;
+  }
+}
diff --git a/src/main/resources/pulsar.mixins.json b/src/main/resources/pulsar.mixins.json
index 9faa3fe..14152d6 100644
--- a/src/main/resources/pulsar.mixins.json
+++ b/src/main/resources/pulsar.mixins.json
@@ -4,14 +4,16 @@
   "package": "dev.zenfyr.pulsar.impl.mixins",
   "compatibilityLevel": "JAVA_17",
   "mixins": [
-    "resources.ReloadableServerResourcesMixin",
+    "creativetab.CreativeModeTabForgeMixin",
+    "creativetab.CreativeModeTabMixin",
     "resources.MinecraftServerMixin",
+    "resources.ReloadableServerResourcesMixin",
     "resources.ResourceManagerHelperImplMixin"
   ],
   "client": [
-    "client.events.MinecraftMixin",
     "client.creativetab.CreativeModeInventoryScreenMixin",
     "client.creativetab.CreativeModeTabMixin",
+    "client.events.MinecraftMixin",
     "client.particles.GameRendererMixin",
     "client.particles.MinecraftMixin",
     "client.particles.ParticleEngineAccessor",
-- 
2.51.2