From a4274380cb6bb141bd6b1103d8cef8e4d182d02c Mon Sep 17 00:00:00 2001
From: MrSphay <leifwilkens@gmail.com>
Date: Thu, 7 May 2026 14:06:16 +0200
Subject: [PATCH] Fix GameRenderer blur mixin for 1.21.1

---
 docs/agent-handoff.md                                |  3 +++
 .../mixin/GameRendererBlurMixin.java                 | 12 ++++++------
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/docs/agent-handoff.md b/docs/agent-handoff.md
index 808c97f..a5cb831 100644
--- a/docs/agent-handoff.md
+++ b/docs/agent-handoff.md
@@ -23,6 +23,7 @@ The Gitea runner has been used for:
   - `AsyncCraterManager`
   - `BlockIndexManager`
 - Updated the `ExplosionMixin` complex constructor injection descriptor for Minecraft `1.21.1` after a client bootstrap crash showed the old Forge `1.20.1` constructor target no longer exists.
+- Updated `GameRendererBlurMixin` render callback and invoke descriptors for Minecraft `1.21.1` after the next client crash showed `GameRenderer#render` now receives `DeltaTracker, boolean`.
 - Fixed runner setup issues:
   - executable `gradlew`
   - tracked `gradle-wrapper.jar`
@@ -34,6 +35,7 @@ The Gitea runner has been used for:
 | --- | --- |
 | `git diff --check` | PASS before last committed source fixes |
 | `git diff --check` | PASS after NeoForge `21.1.225` metadata change and `ExplosionMixin` runtime crash fix |
+| `git diff --check` | PASS after `GameRendererBlurMixin` runtime crash fix |
 | Gitea decompile workflow | PASS |
 | Gitea build workflow | FAIL, now reaches Java API migration errors |
 
@@ -63,6 +65,7 @@ The remaining failures are real Forge-to-NeoForge/API-porting work, not runner s
 3. Replace GUI overlay events and config screen registration.
 4. Re-run the Gitea build after each API family rather than attempting all files at once.
 5. Retest the client jar after the `ExplosionMixin` descriptor fix; the next crash, if any, should be a later runtime/API issue rather than the bootstrap constructor mismatch.
+6. Retest the client jar after the `GameRendererBlurMixin` descriptor fix; the next crash, if any, should be the next stale mixin/API target.
 
 ## Risks
 
diff --git a/src/main/java/com/vinlanx/explosionoverhaul/mixin/GameRendererBlurMixin.java b/src/main/java/com/vinlanx/explosionoverhaul/mixin/GameRendererBlurMixin.java
index 42f8f82..14f9fd8 100644
--- a/src/main/java/com/vinlanx/explosionoverhaul/mixin/GameRendererBlurMixin.java
+++ b/src/main/java/com/vinlanx/explosionoverhaul/mixin/GameRendererBlurMixin.java
@@ -3,8 +3,8 @@
  */
 package com.vinlanx.explosionoverhaul.mixin;
 
-import com.mojang.blaze3d.vertex.PoseStack;
 import com.vinlanx.explosionoverhaul.client.Blur;
+import net.minecraft.client.DeltaTracker;
 import net.minecraft.client.renderer.GameRenderer;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
@@ -13,18 +13,18 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 @Mixin(value={GameRenderer.class})
 public class GameRendererBlurMixin {
-    @Inject(method={"renderLevel"}, at={@At(value="INVOKE", target="Lnet/minecraft/client/renderer/LevelRenderer;renderLevel(Lcom/mojang/blaze3d/vertex/PoseStack;FJZLnet/minecraft/client/Camera;Lnet/minecraft/client/renderer/GameRenderer;Lnet/minecraft/client/renderer/LightTexture;Lorg/joml/Matrix4f;)V", shift=At.Shift.AFTER)})
-    private void explosionoverhaul$afterWorld(float tickDelta, long nanoTime, PoseStack poseStack, CallbackInfo ci) {
+    @Inject(method={"renderLevel"}, at={@At(value="INVOKE", target="Lnet/minecraft/client/renderer/LevelRenderer;renderLevel(Lnet/minecraft/client/DeltaTracker;ZLnet/minecraft/client/Camera;Lnet/minecraft/client/renderer/GameRenderer;Lnet/minecraft/client/renderer/LightTexture;Lorg/joml/Matrix4f;Lorg/joml/Matrix4f;)V", shift=At.Shift.AFTER)})
+    private void explosionoverhaul$afterWorld(DeltaTracker deltaTracker, CallbackInfo ci) {
         Blur.render(Blur.RenderStage.WORLD);
     }
 
-    @Inject(method={"renderLevel"}, at={@At(value="INVOKE", target="Lnet/minecraft/client/renderer/GameRenderer;renderItemInHand(Lcom/mojang/blaze3d/vertex/PoseStack;Lnet/minecraft/client/Camera;F)V", shift=At.Shift.AFTER)})
-    private void explosionoverhaul$afterHand(float tickDelta, long nanoTime, PoseStack poseStack, CallbackInfo ci) {
+    @Inject(method={"renderLevel"}, at={@At(value="INVOKE", target="Lnet/minecraft/client/renderer/GameRenderer;renderItemInHand(Lnet/minecraft/client/Camera;FLorg/joml/Matrix4f;)V", shift=At.Shift.AFTER)})
+    private void explosionoverhaul$afterHand(DeltaTracker deltaTracker, CallbackInfo ci) {
         Blur.render(Blur.RenderStage.HAND);
     }
 
     @Inject(method={"render"}, at={@At(value="TAIL")})
-    private void explosionoverhaul$afterGui(float tickDelta, long nanoTime, boolean renderLevel, CallbackInfo ci) {
+    private void explosionoverhaul$afterGui(DeltaTracker deltaTracker, boolean renderLevel, CallbackInfo ci) {
         Blur.render(Blur.RenderStage.HUD);
     }
 }