001 package net.minecraft.src; 002 003 public class EntityAILeapAtTarget extends EntityAIBase 004 { 005 /** The entity that is leaping. */ 006 EntityLiving leaper; 007 008 /** The entity that the leaper is leaping towards. */ 009 EntityLiving leapTarget; 010 011 /** The entity's motionY after leaping. */ 012 float leapMotionY; 013 014 public EntityAILeapAtTarget(EntityLiving par1EntityLiving, float par2) 015 { 016 this.leaper = par1EntityLiving; 017 this.leapMotionY = par2; 018 this.setMutexBits(5); 019 } 020 021 /** 022 * Returns whether the EntityAIBase should begin execution. 023 */ 024 public boolean shouldExecute() 025 { 026 this.leapTarget = this.leaper.getAttackTarget(); 027 028 if (this.leapTarget == null) 029 { 030 return false; 031 } 032 else 033 { 034 double var1 = this.leaper.getDistanceSqToEntity(this.leapTarget); 035 return var1 >= 4.0D && var1 <= 16.0D ? (!this.leaper.onGround ? false : this.leaper.getRNG().nextInt(5) == 0) : false; 036 } 037 } 038 039 /** 040 * Returns whether an in-progress EntityAIBase should continue executing 041 */ 042 public boolean continueExecuting() 043 { 044 return !this.leaper.onGround; 045 } 046 047 /** 048 * Execute a one shot task or start executing a continuous task 049 */ 050 public void startExecuting() 051 { 052 double var1 = this.leapTarget.posX - this.leaper.posX; 053 double var3 = this.leapTarget.posZ - this.leaper.posZ; 054 float var5 = MathHelper.sqrt_double(var1 * var1 + var3 * var3); 055 this.leaper.motionX += var1 / (double)var5 * 0.5D * 0.800000011920929D + this.leaper.motionX * 0.20000000298023224D; 056 this.leaper.motionZ += var3 / (double)var5 * 0.5D * 0.800000011920929D + this.leaper.motionZ * 0.20000000298023224D; 057 this.leaper.motionY = (double)this.leapMotionY; 058 } 059 }