001 package net.minecraft.src; 002 003 public class EntityAILookIdle extends EntityAIBase 004 { 005 /** The entity that is looking idle. */ 006 private EntityLiving idleEntity; 007 008 /** X offset to look at */ 009 private double lookX; 010 011 /** Z offset to look at */ 012 private double lookZ; 013 014 /** 015 * A decrementing tick that stops the entity from being idle once it reaches 0. 016 */ 017 private int idleTime = 0; 018 019 public EntityAILookIdle(EntityLiving par1EntityLiving) 020 { 021 this.idleEntity = par1EntityLiving; 022 this.setMutexBits(3); 023 } 024 025 /** 026 * Returns whether the EntityAIBase should begin execution. 027 */ 028 public boolean shouldExecute() 029 { 030 return this.idleEntity.getRNG().nextFloat() < 0.02F; 031 } 032 033 /** 034 * Returns whether an in-progress EntityAIBase should continue executing 035 */ 036 public boolean continueExecuting() 037 { 038 return this.idleTime >= 0; 039 } 040 041 /** 042 * Execute a one shot task or start executing a continuous task 043 */ 044 public void startExecuting() 045 { 046 double var1 = (Math.PI * 2D) * this.idleEntity.getRNG().nextDouble(); 047 this.lookX = Math.cos(var1); 048 this.lookZ = Math.sin(var1); 049 this.idleTime = 20 + this.idleEntity.getRNG().nextInt(20); 050 } 051 052 /** 053 * Updates the task 054 */ 055 public void updateTask() 056 { 057 --this.idleTime; 058 this.idleEntity.getLookHelper().setLookPosition(this.idleEntity.posX + this.lookX, this.idleEntity.posY + (double)this.idleEntity.getEyeHeight(), this.idleEntity.posZ + this.lookZ, 10.0F, (float)this.idleEntity.getVerticalFaceSpeed()); 059 } 060 }