content: package net.minecraft.client.model;
  
  import net.minecraft.client.renderer.GlStateManager;
  import net.minecraft.entity.Entity;
  import net.minecraft.util.MathHelper;
  
  public class ModelBiped extends ModelBase {
      public ModelRenderer bipedHead;
      public ModelRenderer bipedHeadwear;
      public ModelRenderer bipedBody;
      public ModelRenderer bipedRightArm;
      public ModelRenderer bipedLeftArm;
      public ModelRenderer bipedRightLeg;
      public ModelRenderer bipedLeftLeg;
      public int heldItemLeft;
      public int heldItemRight;
      public boolean isSneak;
      public boolean aimedBow;
  
      public ModelBiped() {
          this(0.0F);
      }
  
      public ModelBiped(float modelSize) {
          this(modelSize, 0.0F, 64, 32);
      }
  
      public ModelBiped(float modelSize, float p_i1149_2_, int textureWidthIn, int textureHeightIn) {
          this.textureWidth = textureWidthIn;
          this.textureHeight = textureHeightIn;
          this.bipedHead = new ModelRenderer(this, 0, 0);
          this.bipedHead.addBox(-4.0F, -8.0F, -4.0F, 8, 8, 8, modelSize);
          this.bipedHead.setRotationPoint(0.0F, 0.0F + p_i1149_2_, 0.0F);
          this.bipedHeadwear = new ModelRenderer(this, 32, 0);
          this.bipedHeadwear.addBox(-4.0F, -8.0F, -4.0F, 8, 8, 8, modelSize + 0.5F);
          this.bipedHeadwear.setRotationPoint(0.0F, 0.0F + p_i1149_2_, 0.0F);
          this.bipedBody = new ModelRenderer(this, 16, 16);
          this.bipedBody.addBox(-4.0F, 0.0F, -2.0F, 8, 12, 4, modelSize);
          this.bipedBody.setRotationPoint(0.0F, 0.0F + p_i1149_2_, 0.0F);
          this.bipedRightArm = new ModelRenderer(this, 40, 16);
          this.bipedRightArm.addBox(-3.0F, -2.0F, -2.0F, 4, 12, 4, modelSize);
          this.bipedRightArm.setRotationPoint(-5.0F, 2.0F + p_i1149_2_, 0.0F);
          this.bipedLeftArm = new ModelRenderer(this, 40, 16);
          this.bipedLeftArm.mirror = true;
          this.bipedLeftArm.addBox(-1.0F, -2.0F, -2.0F, 4, 12, 4, modelSize);
          this.bipedLeftArm.setRotationPoint(5.0F, 2.0F + p_i1149_2_, 0.0F);
          this.bipedRightLeg = new ModelRenderer(this, 0, 16);
          this.bipedRightLeg.addBox(-2.0F, 0.0F, -2.0F, 4, 12, 4, modelSize);
          this.bipedRightLeg.setRotationPoint(-1.9F, 12.0F + p_i1149_2_, 0.0F);
          this.bipedLeftLeg = new ModelRenderer(this, 0, 16);
          this.bipedLeftLeg.mirror = true;
          this.bipedLeftLeg.addBox(-2.0F, 0.0F, -2.0F, 4, 12, 4, modelSize);
          this.bipedLeftLeg.setRotationPoint(1.9F, 12.0F + p_i1149_2_, 0.0F);
      }
  
      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);
          GlStateManager.pushMatrix();
  
          if (this.isChild) {
              float f = 2.0F;
              GlStateManager.scale(1.5F / f, 1.5F / f, 1.5F / f);
              GlStateManager.translate(0.0F, 16.0F * scale, 0.0F);
              this.bipedHead.render(scale);
              GlStateManager.popMatrix();
              GlStateManager.pushMatrix();
              GlStateManager.scale(1.0F / f, 1.0F / f, 1.0F / f);
              GlStateManager.translate(0.0F, 24.0F * scale, 0.0F);
              this.bipedBody.render(scale);
              this.bipedRightArm.render(scale);
              this.bipedLeftArm.render(scale);
              this.bipedRightLeg.render(scale);
              this.bipedLeftLeg.render(scale);
              this.bipedHeadwear.render(scale);
          } else {
              if (entityIn.isSneaking()) {
                  GlStateManager.translate(0.0F, 0.2F, 0.0F);
              }
  
              this.bipedHead.render(scale);
              this.bipedBody.render(scale);
              this.bipedRightArm.render(scale);
              this.bipedLeftArm.render(scale);
              this.bipedRightLeg.render(scale);
              this.bipedLeftLeg.render(scale);
              this.bipedHeadwear.render(scale);
          }
  
          GlStateManager.popMatrix();
      }
  
      public void setRotationAngles(float limbSwing, float limbSwingAmount, float ageInTicks, float netHeadYaw, float headPitch, float scaleFactor, Entity entityIn) {
          this.bipedHead.rotateAngleY = netHeadYaw / (180F / (float) Math.PI);
          this.bipedHead.rotateAngleX = headPitch / (180F / (float) Math.PI);
          this.bipedRightArm.rotateAngleX = MathHelper.cos(limbSwing * 0.6662F + (float) Math.PI) * 2.0F * limbSwingAmount * 0.5F;
          this.bipedLeftArm.rotateAngleX = MathHelper.cos(limbSwing * 0.6662F) * 2.0F * limbSwingAmount * 0.5F;
          this.bipedRightArm.rotateAngleZ = 0.0F;
          this.bipedLeftArm.rotateAngleZ = 0.0F;
          this.bipedRightLeg.rotateAngleX = MathHelper.cos(limbSwing * 0.6662F) * 1.4F * limbSwingAmount;
          this.bipedLeftLeg.rotateAngleX = MathHelper.cos(limbSwing * 0.6662F + (float) Math.PI) * 1.4F * limbSwingAmount;
          this.bipedRightLeg.rotateAngleY = 0.0F;
          this.bipedLeftLeg.rotateAngleY = 0.0F;
  
          if (this.isRiding) {
              this.bipedRightArm.rotateAngleX += -((float) Math.PI / 5F);
              this.bipedLeftArm.rotateAngleX += -((float) Math.PI / 5F);
              this.bipedRightLeg.rotateAngleX = -((float) Math.PI * 2F / 5F);
              this.bipedLeftLeg.rotateAngleX = -((float) Math.PI * 2F / 5F);
              this.bipedRightLeg.rotateAngleY = ((float) Math.PI / 10F);
              this.bipedLeftLeg.rotateAngleY = -((float) Math.PI / 10F);
          }
  
          if (this.heldItemLeft != 0) {
              this.bipedLeftArm.rotateAngleX = this.bipedLeftArm.rotateAngleX * 0.5F - ((float) Math.PI / 10F) * (float) this.heldItemLeft;
          }
  
          this.bipedRightArm.rotateAngleY = 0.0F;
          this.bipedRightArm.rotateAngleZ = 0.0F;
  
          switch (this.heldItemRight) {
              case 0:
              case 2:
              default:
                  break;
  
              case 1:
                  this.bipedRightArm.rotateAngleX = this.bipedRightArm.rotateAngleX * 0.5F - ((float) Math.PI / 10F) * (float) this.heldItemRight;
                  break;
  
              case 3:
                  this.bipedRightArm.rotateAngleX = this.bipedRightArm.rotateAngleX * 0.5F - ((float) Math.PI / 10F) * (float) this.heldItemRight;
                  this.bipedRightArm.rotateAngleY = -0.5235988F;
          }
  
          this.bipedLeftArm.rotateAngleY = 0.0F;
  
          if (this.swingProgress > -9990.0F) {
              float f = this.swingProgress;
              this.bipedBody.rotateAngleY = MathHelper.sin(MathHelper.sqrt_float(f) * (float) Math.PI * 2.0F) * 0.2F;
              this.bipedRightArm.rotationPointZ = MathHelper.sin(this.bipedBody.rotateAngleY) * 5.0F;
              this.bipedRightArm.rotationPointX = -MathHelper.cos(this.bipedBody.rotateAngleY) * 5.0F;
              this.bipedLeftArm.rotationPointZ = -MathHelper.sin(this.bipedBody.rotateAngleY) * 5.0F;
              this.bipedLeftArm.rotationPointX = MathHelper.cos(this.bipedBody.rotateAngleY) * 5.0F;
              this.bipedRightArm.rotateAngleY += this.bipedBody.rotateAngleY;
              this.bipedLeftArm.rotateAngleY += this.bipedBody.rotateAngleY;
              this.bipedLeftArm.rotateAngleX += this.bipedBody.rotateAngleY;
              f = 1.0F - this.swingProgress;
              f = f * f;
              f = f * f;
              f = 1.0F - f;
              float f1 = MathHelper.sin(f * (float) Math.PI);
              float f2 = MathHelper.sin(this.swingProgress * (float) Math.PI) * -(this.bipedHead.rotateAngleX - 0.7F) * 0.75F;
              this.bipedRightArm.rotateAngleX = (float) ((double) this.bipedRightArm.rotateAngleX - ((double) f1 * 1.2D + (double) f2));
              this.bipedRightArm.rotateAngleY += this.bipedBody.rotateAngleY * 2.0F;
              this.bipedRightArm.rotateAngleZ += MathHelper.sin(this.swingProgress * (float) Math.PI) * -0.4F;
          }
  
          if (this.isSneak) {
              this.bipedBody.rotateAngleX = 0.5F;
              this.bipedRightArm.rotateAngleX += 0.4F;
              this.bipedLeftArm.rotateAngleX += 0.4F;
              this.bipedRightLeg.rotationPointZ = 4.0F;
              this.bipedLeftLeg.rotationPointZ = 4.0F;
              this.bipedRightLeg.rotationPointY = 9.0F;
              this.bipedLeftLeg.rotationPointY = 9.0F;
              this.bipedHead.rotationPointY = 1.0F;
          } else {
              this.bipedBody.rotateAngleX = 0.0F;
              this.bipedRightLeg.rotationPointZ = 0.1F;
              this.bipedLeftLeg.rotationPointZ = 0.1F;
              this.bipedRightLeg.rotationPointY = 12.0F;
              this.bipedLeftLeg.rotationPointY = 12.0F;
              this.bipedHead.rotationPointY = 0.0F;
          }
  
          this.bipedRightArm.rotateAngleZ += MathHelper.cos(ageInTicks * 0.09F) * 0.05F + 0.05F;
          this.bipedLeftArm.rotateAngleZ -= MathHelper.cos(ageInTicks * 0.09F) * 0.05F + 0.05F;
          this.bipedRightArm.rotateAngleX += MathHelper.sin(ageInTicks * 0.067F) * 0.05F;
          this.bipedLeftArm.rotateAngleX -= MathHelper.sin(ageInTicks * 0.067F) * 0.05F;
  
          if (this.aimedBow) {
              float f3 = 0.0F;
              float f4 = 0.0F;
              this.bipedRightArm.rotateAngleZ = 0.0F;
              this.bipedLeftArm.rotateAngleZ = 0.0F;
              this.bipedRightArm.rotateAngleY = -(0.1F - f3 * 0.6F) + this.bipedHead.rotateAngleY;
              this.bipedLeftArm.rotateAngleY = 0.1F - f3 * 0.6F + this.bipedHead.rotateAngleY + 0.4F;
              this.bipedRightArm.rotateAngleX = -((float) Math.PI / 2F) + this.bipedHead.rotateAngleX;
              this.bipedLeftArm.rotateAngleX = -((float) Math.PI / 2F) + this.bipedHead.rotateAngleX;
              this.bipedRightArm.rotateAngleX -= f3 * 1.2F - f4 * 0.4F;
              this.bipedLeftArm.rotateAngleX -= f3 * 1.2F - f4 * 0.4F;
              this.bipedRightArm.rotateAngleZ += MathHelper.cos(ageInTicks * 0.09F) * 0.05F + 0.05F;
              this.bipedLeftArm.rotateAngleZ -= MathHelper.cos(ageInTicks * 0.09F) * 0.05F + 0.05F;
              this.bipedRightArm.rotateAngleX += MathHelper.sin(ageInTicks * 0.067F) * 0.05F;
              this.bipedLeftArm.rotateAngleX -= MathHelper.sin(ageInTicks * 0.067F) * 0.05F;
          }
  
          copyModelAngles(this.bipedHead, this.bipedHeadwear);
      }
  
      public void setModelAttributes(ModelBase model) {
          super.setModelAttributes(model);
  
          if (model instanceof ModelBiped) {
              ModelBiped modelbiped = (ModelBiped) model;
              this.heldItemLeft = modelbiped.heldItemLeft;
              this.heldItemRight = modelbiped.heldItemRight;
              this.isSneak = modelbiped.isSneak;
              this.aimedBow = modelbiped.aimedBow;
          }
      }
  
      public void setInvisible(boolean invisible) {
          this.bipedHead.showModel = invisible;
          this.bipedHeadwear.showModel = invisible;
          this.bipedBody.showModel = invisible;
          this.bipedRightArm.showModel = invisible;
          this.bipedLeftArm.showModel = invisible;
          this.bipedRightLeg.showModel = invisible;
          this.bipedLeftLeg.showModel = invisible;
      }
  
      public void postRenderArm(float scale) {
          this.bipedRightArm.postRender(scale);
      }
  }
  