From 3d3d0f9e18dc73d606f6a43913e66b950e8e1af0 Mon Sep 17 00:00:00 2001
From: Jason Mitchell <mitchej@gmail.com>
Date: Sun, 11 Oct 2026 09:27:53 -0700
Subject: [PATCH] Angelica side fix to RC Lantern rendering.  Works with or
 without a patched RC (#2251)

---
 .../gtnewhorizons/angelica/mixins/Mixins.java |  6 +++++
 .../angelica/mixins/TargetedMod.java          |  1 +
 .../railcraft/MixinRenderBlockLamp.java       | 22 +++++++++++++++++++
 3 files changed, 29 insertions(+)
 create mode 100644 src/mixin/java/com/gtnewhorizons/angelica/mixins/late/client/railcraft/MixinRenderBlockLamp.java

diff --git a/src/main/java/com/gtnewhorizons/angelica/mixins/Mixins.java b/src/main/java/com/gtnewhorizons/angelica/mixins/Mixins.java
index 1a43d4a71..040021d77 100644
--- a/src/main/java/com/gtnewhorizons/angelica/mixins/Mixins.java
+++ b/src/main/java/com/gtnewhorizons/angelica/mixins/Mixins.java
@@ -85,6 +85,12 @@ public enum Mixins implements IMixins {
         .addClientMixins("client.starminer.MixinTransformClientHelper")
     ),
 
+    RAILCRAFT_LANTERN_CONNECTIONS(new MixinBuilder("Fix Railcraft lanterns rendering with Angelica")
+        .setPhase(Phase.LATE)
+        .addRequiredMod(TargetedMod.RAILCRAFT)
+        .addClientMixins("client.railcraft.MixinRenderBlockLamp")
+    ),
+
     ANGELICA_ENTITY_OVERLAYS(new MixinBuilder()
         .setPhase(Phase.EARLY)
         .setApplyIf(() -> AngelicaConfig.entityOverlayFixes)
diff --git a/src/main/java/com/gtnewhorizons/angelica/mixins/TargetedMod.java b/src/main/java/com/gtnewhorizons/angelica/mixins/TargetedMod.java
index cffb2b39d..9d220d568 100644
--- a/src/main/java/com/gtnewhorizons/angelica/mixins/TargetedMod.java
+++ b/src/main/java/com/gtnewhorizons/angelica/mixins/TargetedMod.java
@@ -27,6 +27,7 @@ public enum TargetedMod implements ITargetMod {
     IC2("ic2.core.coremod.IC2core", "IC2"),
     NATURA(null, "Natura"),
     OPENBLOCKS(null, "OpenBlocks"),
+    RAILCRAFT(null, "Railcraft"),
     SECURITYCRAFT(null, "securitycraft"),
     STARMINER("jp.mc.ancientred.starminer.core.SMPlugin", "modJ_StarMiner"),
     SUPERNOVA("com.mitchej123.supernova.core.SupernovaCore", "supernova"),
diff --git a/src/mixin/java/com/gtnewhorizons/angelica/mixins/late/client/railcraft/MixinRenderBlockLamp.java b/src/mixin/java/com/gtnewhorizons/angelica/mixins/late/client/railcraft/MixinRenderBlockLamp.java
new file mode 100644
index 000000000..fe896775a
--- /dev/null
+++ b/src/mixin/java/com/gtnewhorizons/angelica/mixins/late/client/railcraft/MixinRenderBlockLamp.java
@@ -0,0 +1,22 @@
+package com.gtnewhorizons.angelica.mixins.late.client.railcraft;
+
+import net.minecraft.world.ChunkCache;
+
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Pseudo;
+import org.spongepowered.asm.mixin.injection.Constant;
+import org.spongepowered.asm.mixin.injection.ModifyConstant;
+
+@Pseudo
+@Mixin(targets = "mods.railcraft.client.render.RenderBlockLamp", remap = false)
+public class MixinRenderBlockLamp {
+
+    @ModifyConstant(
+        method = "canConnect(Lnet/minecraft/world/IBlockAccess;IIILnet/minecraftforge/common/util/ForgeDirection;)Z",
+        constant = @Constant(classValue = ChunkCache.class),
+        require = 0,
+        expect = 0)
+    private boolean angelica$acceptAnyBlockAccess(Object world, Class<?> type) {
+        return true;
+    }
+}