80 lines
2.5 KiB
Java
80 lines
2.5 KiB
Java
package net.minecraft.entity;
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import net.minecraft.util.math.MathHelper;
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public class EntityBodyHelper
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{
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/** Instance of EntityLiving. */
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private final EntityLivingBase living;
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/** Used to progressively ajust the rotation of the body to the rotation of the head */
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private int rotationTickCounter;
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private float prevRenderYawHead;
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public EntityBodyHelper(EntityLivingBase livingIn)
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{
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this.living = livingIn;
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}
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/**
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* Update the Head and Body rendenring angles
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*/
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public void updateRenderAngles()
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{
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double d0 = this.living.posX - this.living.prevPosX;
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double d1 = this.living.posZ - this.living.prevPosZ;
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if (d0 * d0 + d1 * d1 > 2.500000277905201E-7D)
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{
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this.living.renderYawOffset = this.living.rotationYaw;
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this.living.rotationYawHead = this.computeAngleWithBound(this.living.renderYawOffset, this.living.rotationYawHead, 75.0F);
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this.prevRenderYawHead = this.living.rotationYawHead;
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this.rotationTickCounter = 0;
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}
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else
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{
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if (this.living.getPassengers().isEmpty() || !(this.living.getPassengers().get(0) instanceof EntityLiving))
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{
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float f = 75.0F;
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if (Math.abs(this.living.rotationYawHead - this.prevRenderYawHead) > 15.0F)
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{
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this.rotationTickCounter = 0;
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this.prevRenderYawHead = this.living.rotationYawHead;
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}
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else
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{
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++this.rotationTickCounter;
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int i = 10;
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if (this.rotationTickCounter > 10)
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{
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f = Math.max(1.0F - (float)(this.rotationTickCounter - 10) / 10.0F, 0.0F) * 75.0F;
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}
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}
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this.living.renderYawOffset = this.computeAngleWithBound(this.living.rotationYawHead, this.living.renderYawOffset, f);
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}
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}
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}
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/**
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* Return the new angle2 such that the difference between angle1 and angle2 is lower than angleMax. Args : angle1,
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* angle2, angleMax
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*/
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private float computeAngleWithBound(float p_75665_1_, float p_75665_2_, float p_75665_3_)
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{
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float f = MathHelper.wrapDegrees(p_75665_1_ - p_75665_2_);
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if (f < -p_75665_3_)
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{
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f = -p_75665_3_;
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}
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if (f >= p_75665_3_)
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{
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f = p_75665_3_;
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}
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return p_75665_1_ - f;
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}
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} |