package net.minecraft.entity.item; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import net.minecraft.entity.Entity; import net.minecraft.init.Items; import net.minecraft.item.ItemStack; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.util.MathHelper; import net.minecraft.world.World; public class EntityEnderEye extends Entity { /** 'x' location the eye should float towards. */ private double targetX; /** 'y' location the eye should float towards. */ private double targetY; /** 'z' location the eye should float towards. */ private double targetZ; private int despawnTimer; private boolean shatterOrDrop; private static final String __OBFID = "CL_00001716"; public EntityEnderEye(World p_i1757_1_) { super(p_i1757_1_); this.setSize(0.25F, 0.25F); } protected void entityInit() {} /** * Checks if the entity is in range to render by using the past in distance and comparing it to its average edge * length * 64 * renderDistanceWeight Args: distance */ @SideOnly(Side.CLIENT) public boolean isInRangeToRenderDist(double distance) { double d1 = this.boundingBox.getAverageEdgeLength() * 4.0D; d1 *= 64.0D; return distance < d1 * d1; } public EntityEnderEye(World p_i1758_1_, double p_i1758_2_, double p_i1758_4_, double p_i1758_6_) { super(p_i1758_1_); this.despawnTimer = 0; this.setSize(0.25F, 0.25F); this.setPosition(p_i1758_2_, p_i1758_4_, p_i1758_6_); this.yOffset = 0.0F; } /** * The location the eye should float/move towards. Currently used for moving towards the nearest stronghold. Args: * strongholdX, strongholdY, strongholdZ */ public void moveTowards(double p_70220_1_, int p_70220_3_, double p_70220_4_) { double d2 = p_70220_1_ - this.posX; double d3 = p_70220_4_ - this.posZ; float f = MathHelper.sqrt_double(d2 * d2 + d3 * d3); if (f > 12.0F) { this.targetX = this.posX + d2 / (double)f * 12.0D; this.targetZ = this.posZ + d3 / (double)f * 12.0D; this.targetY = this.posY + 8.0D; } else { this.targetX = p_70220_1_; this.targetY = (double)p_70220_3_; this.targetZ = p_70220_4_; } this.despawnTimer = 0; this.shatterOrDrop = this.rand.nextInt(5) > 0; } /** * Sets the velocity to the args. Args: x, y, z */ @SideOnly(Side.CLIENT) public void setVelocity(double x, double y, double z) { this.motionX = x; this.motionY = y; this.motionZ = z; if (this.prevRotationPitch == 0.0F && this.prevRotationYaw == 0.0F) { float f = MathHelper.sqrt_double(x * x + z * z); this.prevRotationYaw = this.rotationYaw = (float)(Math.atan2(x, z) * 180.0D / Math.PI); this.prevRotationPitch = this.rotationPitch = (float)(Math.atan2(y, (double)f) * 180.0D / Math.PI); } } /** * Called to update the entity's position/logic. */ public void onUpdate() { this.lastTickPosX = this.posX; this.lastTickPosY = this.posY; this.lastTickPosZ = this.posZ; super.onUpdate(); this.posX += this.motionX; this.posY += this.motionY; this.posZ += this.motionZ; float f = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ); this.rotationYaw = (float)(Math.atan2(this.motionX, this.motionZ) * 180.0D / Math.PI); for (this.rotationPitch = (float)(Math.atan2(this.motionY, (double)f) * 180.0D / Math.PI); this.rotationPitch - this.prevRotationPitch < -180.0F; this.prevRotationPitch -= 360.0F) { ; } while (this.rotationPitch - this.prevRotationPitch >= 180.0F) { this.prevRotationPitch += 360.0F; } while (this.rotationYaw - this.prevRotationYaw < -180.0F) { this.prevRotationYaw -= 360.0F; } while (this.rotationYaw - this.prevRotationYaw >= 180.0F) { this.prevRotationYaw += 360.0F; } this.rotationPitch = this.prevRotationPitch + (this.rotationPitch - this.prevRotationPitch) * 0.2F; this.rotationYaw = this.prevRotationYaw + (this.rotationYaw - this.prevRotationYaw) * 0.2F; if (!this.worldObj.isRemote) { double d0 = this.targetX - this.posX; double d1 = this.targetZ - this.posZ; float f1 = (float)Math.sqrt(d0 * d0 + d1 * d1); float f2 = (float)Math.atan2(d1, d0); double d2 = (double)f + (double)(f1 - f) * 0.0025D; if (f1 < 1.0F) { d2 *= 0.8D; this.motionY *= 0.8D; } this.motionX = Math.cos((double)f2) * d2; this.motionZ = Math.sin((double)f2) * d2; if (this.posY < this.targetY) { this.motionY += (1.0D - this.motionY) * 0.014999999664723873D; } else { this.motionY += (-1.0D - this.motionY) * 0.014999999664723873D; } } float f3 = 0.25F; if (this.isInWater()) { for (int i = 0; i < 4; ++i) { this.worldObj.spawnParticle("bubble", this.posX - this.motionX * (double)f3, this.posY - this.motionY * (double)f3, this.posZ - this.motionZ * (double)f3, this.motionX, this.motionY, this.motionZ); } } else { this.worldObj.spawnParticle("portal", this.posX - this.motionX * (double)f3 + this.rand.nextDouble() * 0.6D - 0.3D, this.posY - this.motionY * (double)f3 - 0.5D, this.posZ - this.motionZ * (double)f3 + this.rand.nextDouble() * 0.6D - 0.3D, this.motionX, this.motionY, this.motionZ); } if (!this.worldObj.isRemote) { this.setPosition(this.posX, this.posY, this.posZ); ++this.despawnTimer; if (this.despawnTimer > 80 && !this.worldObj.isRemote) { this.setDead(); if (this.shatterOrDrop) { this.worldObj.spawnEntityInWorld(new EntityItem(this.worldObj, this.posX, this.posY, this.posZ, new ItemStack(Items.ender_eye))); } else { this.worldObj.playAuxSFX(2003, (int)Math.round(this.posX), (int)Math.round(this.posY), (int)Math.round(this.posZ), 0); } } } } /** * (abstract) Protected helper method to write subclass entity data to NBT. */ public void writeEntityToNBT(NBTTagCompound tagCompound) {} /** * (abstract) Protected helper method to read subclass entity data from NBT. */ public void readEntityFromNBT(NBTTagCompound tagCompund) {} @SideOnly(Side.CLIENT) public float getShadowSize() { return 0.0F; } /** * Gets how bright this entity is. */ public float getBrightness(float p_70013_1_) { return 1.0F; } @SideOnly(Side.CLIENT) public int getBrightnessForRender(float p_70070_1_) { return 15728880; } /** * If returns false, the item will not inflict any damage against entities. */ public boolean canAttackWithItem() { return false; } }