fix MC-53850

README.md

@@ -245,6 +245,7 @@ This work, "PolyPatcher", is adapted from ["Patcher"](https://sk1er.club/mods/pa
 - Fix vanilla bug where a spaces are not trimmed in server address fields
 - Fix vanilla bug where entities don't render at certain camera angles below Y=0 and above Y=255
 - Fix vanilla bug where invalid tile entities try to render
+- Fix vanilla bug where damaged invulnerable entities stop rendering
 - Fix vanilla sky lighting calculation
 - Fix vanilla light initializing too early
 - Fix vanilla texture manager memory leak

src/main/java/club/sk1er/patcher/mixins/bugfixes/EntityExpOrbMixin_RenderDamagedInvulnerables.java

@@ -0,0 +1,28 @@
+package club.sk1er.patcher.mixins.bugfixes;
+
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.item.EntityXPOrb;
+import net.minecraft.util.DamageSource;
+import net.minecraft.world.World;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(EntityXPOrb.class)
+public abstract class EntityExpOrbMixin_RenderDamagedInvulnerables
+    //#if MC==10809
+    extends Entity
+    //#endif
+{
+    //#if MC==10809
+    public EntityExpOrbMixin_RenderDamagedInvulnerables(World worldIn) {
+        super(worldIn);
+    }
+
+    @Inject(method = "attackEntityFrom", at = @At("HEAD"), cancellable = true)
+    private void patcher$properInvulnerableCheck(DamageSource source, float amount, CallbackInfoReturnable<Boolean> cir) {
+        if (this.worldObj.isRemote) cir.setReturnValue(false);
+    }
+    //#endif
+}

src/main/java/club/sk1er/patcher/mixins/bugfixes/EntityItemMixin_RenderDamagedInvulnerables.java

@@ -0,0 +1,28 @@
+package club.sk1er.patcher.mixins.bugfixes;
+
+import net.minecraft.entity.Entity;
+import net.minecraft.entity.item.EntityItem;
+import net.minecraft.util.DamageSource;
+import net.minecraft.world.World;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
+
+@Mixin(EntityItem.class)
+public abstract class EntityItemMixin_RenderDamagedInvulnerables
+    //#if MC==10809
+    extends Entity
+    //#endif
+{
+    //#if MC==10809
+    public EntityItemMixin_RenderDamagedInvulnerables(World worldIn) {
+        super(worldIn);
+    }
+
+    @Inject(method = "attackEntityFrom", at = @At("HEAD"), cancellable = true)
+    private void patcher$properInvulnerableCheck(DamageSource source, float amount, CallbackInfoReturnable<Boolean> cir) {
+        if (this.worldObj.isRemote) cir.setReturnValue(false);
+    }
+    //#endif
+}

src/main/resources/mixins.patcher.json

@@ -40,6 +40,8 @@
     "bugfixes.BlockModelRendererMixin_SmoothLighting",
     "bugfixes.CommandHandlerMixin_CaseCommands",
     "bugfixes.ContainerMixin_PlaySound",
+    "bugfixes.EntityExpOrbMixin_RenderDamagedInvulnerables",
+    "bugfixes.EntityItemMixin_RenderDamagedInvulnerables",
     "bugfixes.EntityLivingBaseMixin_MouseDelayFix",
     "bugfixes.EntityMixin_FixedBrightness",
     "bugfixes.EntityMixin_FixGlow",