content: package net.minecraft.client.model;
  
  import net.minecraft.entity.Entity;
  import net.minecraft.entity.passive.EntityBat;
  import net.minecraft.util.MathHelper;
  
  public class ModelBat extends ModelBase {
      private final ModelRenderer batHead;
      private final ModelRenderer batBody;
      private final ModelRenderer batRightWing;
      private final ModelRenderer batLeftWing;
      private final ModelRenderer batOuterRightWing;
      private final ModelRenderer batOuterLeftWing;
  
      public ModelBat() {
          this.textureWidth = 64;
          this.textureHeight = 64;
          this.batHead = new ModelRenderer(this, 0, 0);
          this.batHead.addBox(-3.0F, -3.0F, -3.0F, 6, 6, 6);
          ModelRenderer modelrenderer = new ModelRenderer(this, 24, 0);
          modelrenderer.addBox(-4.0F, -6.0F, -2.0F, 3, 4, 1);
          this.batHead.addChild(modelrenderer);
          ModelRenderer modelrenderer1 = new ModelRenderer(this, 24, 0);
          modelrenderer1.mirror = true;
          modelrenderer1.addBox(1.0F, -6.0F, -2.0F, 3, 4, 1);
          this.batHead.addChild(modelrenderer1);
          this.batBody = new ModelRenderer(this, 0, 16);
          this.batBody.addBox(-3.0F, 4.0F, -3.0F, 6, 12, 6);
          this.batBody.setTextureOffset(0, 34).addBox(-5.0F, 16.0F, 0.0F, 10, 6, 1);
          this.batRightWing = new ModelRenderer(this, 42, 0);
          this.batRightWing.addBox(-12.0F, 1.0F, 1.5F, 10, 16, 1);
          this.batOuterRightWing = new ModelRenderer(this, 24, 16);
          this.batOuterRightWing.setRotationPoint(-12.0F, 1.0F, 1.5F);
          this.batOuterRightWing.addBox(-8.0F, 1.0F, 0.0F, 8, 12, 1);
          this.batLeftWing = new ModelRenderer(this, 42, 0);
          this.batLeftWing.mirror = true;
          this.batLeftWing.addBox(2.0F, 1.0F, 1.5F, 10, 16, 1);
          this.batOuterLeftWing = new ModelRenderer(this, 24, 16);
          this.batOuterLeftWing.mirror = true;
          this.batOuterLeftWing.setRotationPoint(12.0F, 1.0F, 1.5F);
          this.batOuterLeftWing.addBox(0.0F, 1.0F, 0.0F, 8, 12, 1);
          this.batBody.addChild(this.batRightWing);
          this.batBody.addChild(this.batLeftWing);
          this.batRightWing.addChild(this.batOuterRightWing);
          this.batLeftWing.addChild(this.batOuterLeftWing);
      }
  
      public void render(Entity entityIn, float p_78088_2_, float p_78088_3_, float p_78088_4_, float p_78088_5_, float p_78088_6_, float scale) {
          this.setRotationAngles(p_78088_2_, p_78088_3_, p_78088_4_, p_78088_5_, p_78088_6_, scale, entityIn);
          this.batHead.render(scale);
          this.batBody.render(scale);
      }
  
      public void setRotationAngles(float limbSwing, float limbSwingAmount, float ageInTicks, float netHeadYaw, float headPitch, float scaleFactor, Entity entityIn) {
          if (((EntityBat) entityIn).getIsBatHanging()) {
              float f = (180F / (float) Math.PI);
              this.batHead.rotateAngleX = headPitch / (180F / (float) Math.PI);
              this.batHead.rotateAngleY = (float) Math.PI - netHeadYaw / (180F / (float) Math.PI);
              this.batHead.rotateAngleZ = (float) Math.PI;
              this.batHead.setRotationPoint(0.0F, -2.0F, 0.0F);
              this.batRightWing.setRotationPoint(-3.0F, 0.0F, 3.0F);
              this.batLeftWing.setRotationPoint(3.0F, 0.0F, 3.0F);
              this.batBody.rotateAngleX = (float) Math.PI;
              this.batRightWing.rotateAngleX = -0.15707964F;
              this.batRightWing.rotateAngleY = -((float) Math.PI * 2F / 5F);
              this.batOuterRightWing.rotateAngleY = -1.7278761F;
              this.batLeftWing.rotateAngleX = this.batRightWing.rotateAngleX;
              this.batLeftWing.rotateAngleY = -this.batRightWing.rotateAngleY;
              this.batOuterLeftWing.rotateAngleY = -this.batOuterRightWing.rotateAngleY;
          } else {
              float f1 = (180F / (float) Math.PI);
              this.batHead.rotateAngleX = headPitch / (180F / (float) Math.PI);
              this.batHead.rotateAngleY = netHeadYaw / (180F / (float) Math.PI);
              this.batHead.rotateAngleZ = 0.0F;
              this.batHead.setRotationPoint(0.0F, 0.0F, 0.0F);
              this.batRightWing.setRotationPoint(0.0F, 0.0F, 0.0F);
              this.batLeftWing.setRotationPoint(0.0F, 0.0F, 0.0F);
              this.batBody.rotateAngleX = ((float) Math.PI / 4F) + MathHelper.cos(ageInTicks * 0.1F) * 0.15F;
              this.batBody.rotateAngleY = 0.0F;
              this.batRightWing.rotateAngleY = MathHelper.cos(ageInTicks * 1.3F) * (float) Math.PI * 0.25F;
              this.batLeftWing.rotateAngleY = -this.batRightWing.rotateAngleY;
              this.batOuterRightWing.rotateAngleY = this.batRightWing.rotateAngleY * 0.5F;
              this.batOuterLeftWing.rotateAngleY = -this.batRightWing.rotateAngleY * 0.5F;
          }
      }
  }
  