fix MC-46737

Author: MicrocontrollersDev

PATCHED.md

@@ -7,6 +7,7 @@
 | Basic    | [MC-4490](https://bugs.mojang.com/browse/MC-4490)     | Fishing line not attached to fishing rod in third person while crouching                                                            |
 | Basic    | [MC-22882](https://bugs.mojang.com/browse/MC-22882)   | Ctrl + Q won't work on Mac (disabled by default)                                                                                    |
 | Basic    | [MC-46503](https://bugs.mojang.com/browse/MC-46503)   | You can retain a mob's shader in spectator mode by running /kill                                                                    |
+| Basic    | [MC-46737](https://bugs.mojang.com/browse/MC-46737)   | Entities' shaders are applied when beginning to spectate them in third person                                                       |
 | Basic    | [MC-46766](https://bugs.mojang.com/browse/MC-46766)   | Mining a block in Survival, then changing to Spectator creates a breaking animation and sound                                       |
 | Basic    | [MC-59810](https://bugs.mojang.com/browse/MC-59810)   | Cannot break blocks while sprinting (Ctrl+Click = right click on macOS) *(macOS only)*                                              |
 | Basic    | [MC-79545](https://bugs.mojang.com/browse/MC-79545)   | The experience bar disappears when too many levels are given to the player                                                          |

src/client/java/dev/isxander/debugify/client/mixins/basic/mc46737/GameRendererMixin.java

@@ -0,0 +1,19 @@
+package dev.isxander.debugify.client.mixins.basic.mc46737;
+
+import com.llamalad7.mixinextras.injector.v2.WrapWithCondition;
+import dev.isxander.debugify.fixes.BugFix;
+import dev.isxander.debugify.fixes.FixCategory;
+import net.minecraft.client.Minecraft;
+import net.minecraft.client.renderer.GameRenderer;
+import net.minecraft.resources.ResourceLocation;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+
+@BugFix(id = "MC-46737", category = FixCategory.BASIC, env = BugFix.Env.CLIENT, description = "Entities' shaders are applied when beginning to spectate them in third person")
+@Mixin(GameRenderer.class)
+public class GameRendererMixin {
+    @WrapWithCondition(method = "checkEntityPostEffect", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/renderer/GameRenderer;setPostEffect(Lnet/minecraft/resources/ResourceLocation;)V"))
+    private boolean thirdPersonCheck(GameRenderer renderer, ResourceLocation location) {
+        return Minecraft.getInstance().options.getCameraType().isFirstPerson();
+    }
+}

src/client/resources/debugify.client.mixins.json

@@ -32,6 +32,7 @@
     "basic.mc263865.KeyboardHandlerMixin",
     "basic.mc4490.FishingHookRendererMixin",
     "basic.mc46503.ClientPacketListenerMixin",
+    "basic.mc46737.GameRendererMixin",
     "basic.mc46766.MinecraftMixin",
     "basic.mc577.AbstractContainerScreenMixin",
     "basic.mc59810.MouseHandlerMixin",