fix MC-280220 (#462)

Co-authored-by: Xander <[email protected]>

Author: MicrocontrollersDev

PATCHED.md

@@ -48,6 +48,7 @@
 | Basic    | [MC-267376](https://bugs.mojang.com/browse/MC-267376) | You can view through blocks on small scales (near plane clipping)                                                                   |
 | Basic    | [MC-267469](https://bugs.mojang.com/browse/MC-267469) | GUI List Entry highlight border not always aligned properly                                                                         |
 | Basic    | [MC-268420](https://bugs.mojang.com/browse/MC-268420) | Cooldown indicator flashes when switching items with high attack speed attribute                                                    |
+| Basic    | [MC-280220](https://bugs.mojang.com/browse/MC-280220) | When a Dolphin holds an item, it is rendered upside-down                                                                            |
 | Basic    | [MC-298225](https://bugs.mojang.com/browse/MC-298225) | Shapes appear in the end sky with certain distance settings                                                                         |
 | Basic    | [MC-298558](https://bugs.mojang.com/browse/MC-298558) | Rain fog calculation can overshoot while game is unresponsive                                                                       |
 

src/client/java/dev/isxander/debugify/client/mixins/basic/mc280220/DolphinCarryingItemLayerMixin.java

@@ -0,0 +1,23 @@
+package dev.isxander.debugify.client.mixins.basic.mc280220;
+
+import com.mojang.blaze3d.vertex.PoseStack;
+import com.mojang.math.Axis;
+import dev.isxander.debugify.fixes.BugFix;
+import dev.isxander.debugify.fixes.FixCategory;
+import net.minecraft.client.renderer.MultiBufferSource;
+import net.minecraft.client.renderer.entity.layers.DolphinCarryingItemLayer;
+import net.minecraft.client.renderer.entity.state.DolphinRenderState;
+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.CallbackInfo;
+
+@BugFix(id = "MC-280220", category = FixCategory.BASIC, env = BugFix.Env.CLIENT, description = "When a Dolphin holds an item, it is rendered upside-down")
+@Mixin(DolphinCarryingItemLayer.class)
+public class DolphinCarryingItemLayerMixin {
+    @Inject(method = "render(Lcom/mojang/blaze3d/vertex/PoseStack;Lnet/minecraft/client/renderer/MultiBufferSource;ILnet/minecraft/client/renderer/entity/state/DolphinRenderState;FF)V", at = @At(value = "INVOKE", target = "Lnet/minecraft/client/renderer/item/ItemStackRenderState;render(Lcom/mojang/blaze3d/vertex/PoseStack;Lnet/minecraft/client/renderer/MultiBufferSource;II)V"))
+    private void flipItem(PoseStack poseStack, MultiBufferSource multiBufferSource, int i, DolphinRenderState dolphinRenderState, float f, float g, CallbackInfo ci) {
+        poseStack.mulPose(Axis.ZP.rotationDegrees(180F));
+        poseStack.translate(0F, -0.4F, 0F); // Eyeballed value to make items not float
+    }
+}

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

@@ -44,8 +44,9 @@
     "basic.mc251068.WorldSelectionListMixin",
     "basic.mc263865.KeyboardHandlerMixin",
     "basic.mc267376.GameRendererMixin",
-    "basic.mc267469.AbstractSelectionListMixin",
     "basic.mc268420.GuiMixin",
+    "basic.mc280220.DolphinCarryingItemLayerMixin",
+    "basic.mc267469.AbstractSelectionListMixin",
     "basic.mc298225.GameRendererMixin",
     "basic.mc298558.AtmosphericFogEnvironmentMixin",
     "basic.mc35361.MinecraftMixin",