package net.minecraft.entity.projectile; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; import java.util.List; import net.minecraft.block.Block; import net.minecraft.entity.Entity; import net.minecraft.entity.EntityLivingBase; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.nbt.NBTTagList; import net.minecraft.util.AxisAlignedBB; import net.minecraft.util.DamageSource; import net.minecraft.util.MathHelper; import net.minecraft.util.MovingObjectPosition; import net.minecraft.util.Vec3; import net.minecraft.world.World; public abstract class EntityFireball extends Entity { private int field_145795_e = -1; private int field_145793_f = -1; private int field_145794_g = -1; private Block field_145796_h; private boolean inGround; public EntityLivingBase shootingEntity; private int ticksAlive; private int ticksInAir; public double accelerationX; public double accelerationY; public double accelerationZ; private static final String __OBFID = "CL_00001717"; public EntityFireball(World p_i1759_1_) { super(p_i1759_1_); this.setSize(1.0F, 1.0F); } 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 EntityFireball(World p_i1760_1_, double p_i1760_2_, double p_i1760_4_, double p_i1760_6_, double p_i1760_8_, double p_i1760_10_, double p_i1760_12_) { super(p_i1760_1_); this.setSize(1.0F, 1.0F); this.setLocationAndAngles(p_i1760_2_, p_i1760_4_, p_i1760_6_, this.rotationYaw, this.rotationPitch); this.setPosition(p_i1760_2_, p_i1760_4_, p_i1760_6_); double d6 = (double)MathHelper.sqrt_double(p_i1760_8_ * p_i1760_8_ + p_i1760_10_ * p_i1760_10_ + p_i1760_12_ * p_i1760_12_); this.accelerationX = p_i1760_8_ / d6 * 0.1D; this.accelerationY = p_i1760_10_ / d6 * 0.1D; this.accelerationZ = p_i1760_12_ / d6 * 0.1D; } public EntityFireball(World p_i1761_1_, EntityLivingBase p_i1761_2_, double p_i1761_3_, double p_i1761_5_, double p_i1761_7_) { super(p_i1761_1_); this.shootingEntity = p_i1761_2_; this.setSize(1.0F, 1.0F); this.setLocationAndAngles(p_i1761_2_.posX, p_i1761_2_.posY, p_i1761_2_.posZ, p_i1761_2_.rotationYaw, p_i1761_2_.rotationPitch); this.setPosition(this.posX, this.posY, this.posZ); this.yOffset = 0.0F; this.motionX = this.motionY = this.motionZ = 0.0D; p_i1761_3_ += this.rand.nextGaussian() * 0.4D; p_i1761_5_ += this.rand.nextGaussian() * 0.4D; p_i1761_7_ += this.rand.nextGaussian() * 0.4D; double d3 = (double)MathHelper.sqrt_double(p_i1761_3_ * p_i1761_3_ + p_i1761_5_ * p_i1761_5_ + p_i1761_7_ * p_i1761_7_); this.accelerationX = p_i1761_3_ / d3 * 0.1D; this.accelerationY = p_i1761_5_ / d3 * 0.1D; this.accelerationZ = p_i1761_7_ / d3 * 0.1D; } /** * Called to update the entity's position/logic. */ public void onUpdate() { if (!this.worldObj.isRemote && (this.shootingEntity != null && this.shootingEntity.isDead || !this.worldObj.blockExists((int)this.posX, (int)this.posY, (int)this.posZ))) { this.setDead(); } else { super.onUpdate(); this.setFire(1); if (this.inGround) { if (this.worldObj.getBlock(this.field_145795_e, this.field_145793_f, this.field_145794_g) == this.field_145796_h) { ++this.ticksAlive; if (this.ticksAlive == 600) { this.setDead(); } return; } this.inGround = false; this.motionX *= (double)(this.rand.nextFloat() * 0.2F); this.motionY *= (double)(this.rand.nextFloat() * 0.2F); this.motionZ *= (double)(this.rand.nextFloat() * 0.2F); this.ticksAlive = 0; this.ticksInAir = 0; } else { ++this.ticksInAir; } Vec3 vec3 = Vec3.createVectorHelper(this.posX, this.posY, this.posZ); Vec3 vec31 = Vec3.createVectorHelper(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ); MovingObjectPosition movingobjectposition = this.worldObj.rayTraceBlocks(vec3, vec31); vec3 = Vec3.createVectorHelper(this.posX, this.posY, this.posZ); vec31 = Vec3.createVectorHelper(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ); if (movingobjectposition != null) { vec31 = Vec3.createVectorHelper(movingobjectposition.hitVec.xCoord, movingobjectposition.hitVec.yCoord, movingobjectposition.hitVec.zCoord); } Entity entity = null; List list = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.boundingBox.addCoord(this.motionX, this.motionY, this.motionZ).expand(1.0D, 1.0D, 1.0D)); double d0 = 0.0D; for (int i = 0; i < list.size(); ++i) { Entity entity1 = (Entity)list.get(i); if (entity1.canBeCollidedWith() && (!entity1.isEntityEqual(this.shootingEntity) || this.ticksInAir >= 25)) { float f = 0.3F; AxisAlignedBB axisalignedbb = entity1.boundingBox.expand((double)f, (double)f, (double)f); MovingObjectPosition movingobjectposition1 = axisalignedbb.calculateIntercept(vec3, vec31); if (movingobjectposition1 != null) { double d1 = vec3.distanceTo(movingobjectposition1.hitVec); if (d1 < d0 || d0 == 0.0D) { entity = entity1; d0 = d1; } } } } if (entity != null) { movingobjectposition = new MovingObjectPosition(entity); } if (movingobjectposition != null) { this.onImpact(movingobjectposition); } this.posX += this.motionX; this.posY += this.motionY; this.posZ += this.motionZ; float f1 = MathHelper.sqrt_double(this.motionX * this.motionX + this.motionZ * this.motionZ); this.rotationYaw = (float)(Math.atan2(this.motionZ, this.motionX) * 180.0D / Math.PI) + 90.0F; for (this.rotationPitch = (float)(Math.atan2((double)f1, this.motionY) * 180.0D / Math.PI) - 90.0F; 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; float f2 = this.getMotionFactor(); if (this.isInWater()) { for (int j = 0; j < 4; ++j) { float f3 = 0.25F; 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); } f2 = 0.8F; } this.motionX += this.accelerationX; this.motionY += this.accelerationY; this.motionZ += this.accelerationZ; this.motionX *= (double)f2; this.motionY *= (double)f2; this.motionZ *= (double)f2; this.worldObj.spawnParticle("smoke", this.posX, this.posY + 0.5D, this.posZ, 0.0D, 0.0D, 0.0D); this.setPosition(this.posX, this.posY, this.posZ); } } /** * Return the motion factor for this projectile. The factor is multiplied by the original motion. */ protected float getMotionFactor() { return 0.95F; } /** * Called when this EntityFireball hits a block or entity. */ protected abstract void onImpact(MovingObjectPosition p_70227_1_); /** * (abstract) Protected helper method to write subclass entity data to NBT. */ public void writeEntityToNBT(NBTTagCompound tagCompound) { tagCompound.setShort("xTile", (short)this.field_145795_e); tagCompound.setShort("yTile", (short)this.field_145793_f); tagCompound.setShort("zTile", (short)this.field_145794_g); tagCompound.setByte("inTile", (byte)Block.getIdFromBlock(this.field_145796_h)); tagCompound.setByte("inGround", (byte)(this.inGround ? 1 : 0)); tagCompound.setTag("direction", this.newDoubleNBTList(new double[] {this.motionX, this.motionY, this.motionZ})); } /** * (abstract) Protected helper method to read subclass entity data from NBT. */ public void readEntityFromNBT(NBTTagCompound tagCompund) { this.field_145795_e = tagCompund.getShort("xTile"); this.field_145793_f = tagCompund.getShort("yTile"); this.field_145794_g = tagCompund.getShort("zTile"); this.field_145796_h = Block.getBlockById(tagCompund.getByte("inTile") & 255); this.inGround = tagCompund.getByte("inGround") == 1; if (tagCompund.hasKey("direction", 9)) { NBTTagList nbttaglist = tagCompund.getTagList("direction", 6); this.motionX = nbttaglist.getDoubleAt(0); this.motionY = nbttaglist.getDoubleAt(1); this.motionZ = nbttaglist.getDoubleAt(2); } else { this.setDead(); } } /** * Returns true if other Entities should be prevented from moving through this Entity. */ public boolean canBeCollidedWith() { return true; } public float getCollisionBorderSize() { return 1.0F; } /** * Called when the entity is attacked. */ public boolean attackEntityFrom(DamageSource source, float amount) { if (this.isEntityInvulnerable()) { return false; } else { this.setBeenAttacked(); if (source.getEntity() != null) { Vec3 vec3 = source.getEntity().getLookVec(); if (vec3 != null) { this.motionX = vec3.xCoord; this.motionY = vec3.yCoord; this.motionZ = vec3.zCoord; this.accelerationX = this.motionX * 0.1D; this.accelerationY = this.motionY * 0.1D; this.accelerationZ = this.motionZ * 0.1D; } if (source.getEntity() instanceof EntityLivingBase) { this.shootingEntity = (EntityLivingBase)source.getEntity(); } return true; } else { return false; } } } @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; } }