CapeLayerMixin.java

package com.github.alexthe666.alexsmobs.mixin.client;

import com.github.alexthe666.alexsmobs.item.AMItemRegistry;
import com.mojang.blaze3d.vertex.PoseStack;
import net.minecraft.client.player.AbstractClientPlayer;
import net.minecraft.client.renderer.MultiBufferSource;
import net.minecraft.client.renderer.entity.layers.CapeLayer;
import net.minecraft.world.entity.EquipmentSlot;
import net.minecraft.world.item.ItemStack;
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;

@Mixin(CapeLayer.class)
public class CapeLayerMixin {

    @Inject(method = "render(Lcom/mojang/blaze3d/vertex/PoseStack;Lnet/minecraft/client/renderer/MultiBufferSource;ILnet/minecraft/client/player/AbstractClientPlayer;FFFFFF)V",
            remap = true,
            cancellable = true,
            at = @At(
                    value = "INVOKE",
                    target = "Lnet/minecraft/client/player/AbstractClientPlayer;getItemBySlot(Lnet/minecraft/world/entity/EquipmentSlot;)Lnet/minecraft/world/item/ItemStack;"
            )
    )
    private void am_render(PoseStack poseStack, MultiBufferSource buffer, int packedLight, AbstractClientPlayer livingEntity, float limbSwing, float limbSwingAmount, float partialTicks, float ageInTicks, float netHeadYaw, float headPitch, CallbackInfo ci) {
        ItemStack itemstack = livingEntity.getItemBySlot(EquipmentSlot.CHEST);
        if (itemstack.is(AMItemRegistry.TARANTULA_HAWK_ELYTRA.get())) ci.cancel();
    }
}