package net.minecraft.entity.projectile; 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.BlockPos; import net.minecraft.util.DamageSource; import net.minecraft.util.EnumParticleTypes; import net.minecraft.util.MathHelper; import net.minecraft.util.MovingObjectPosition; import net.minecraft.util.ResourceLocation; 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 worldIn) { super(worldIn); this.setSize(1.0F, 1.0F); } protected void entityInit() {} public EntityFireball(World worldIn, 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(worldIn); 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 var14 = (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_ / var14 * 0.1D; this.accelerationY = p_i1760_10_ / var14 * 0.1D; this.accelerationZ = p_i1760_12_ / var14 * 0.1D; } public EntityFireball(World worldIn, EntityLivingBase p_i1761_2_, double p_i1761_3_, double p_i1761_5_, double p_i1761_7_) { super(worldIn); 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.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 var9 = (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_ / var9 * 0.1D; this.accelerationY = p_i1761_5_ / var9 * 0.1D; this.accelerationZ = p_i1761_7_ / var9 * 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.isBlockLoaded(new BlockPos(this)))) { this.setDead(); } else { super.onUpdate(); this.setFire(1); if (this.inGround) { if (this.worldObj.getBlockState(new BlockPos(this.field_145795_e, this.field_145793_f, this.field_145794_g)).getBlock() == 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 var1 = new Vec3(this.posX, this.posY, this.posZ); Vec3 var2 = new Vec3(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ); MovingObjectPosition var3 = this.worldObj.rayTraceBlocks(var1, var2); var1 = new Vec3(this.posX, this.posY, this.posZ); var2 = new Vec3(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ); if (var3 != null) { var2 = new Vec3(var3.hitVec.xCoord, var3.hitVec.yCoord, var3.hitVec.zCoord); } Entity var4 = null; List var5 = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.getEntityBoundingBox().addCoord(this.motionX, this.motionY, this.motionZ).expand(1.0D, 1.0D, 1.0D)); double var6 = 0.0D; for (int var8 = 0; var8 < var5.size(); ++var8) { Entity var9 = (Entity)var5.get(var8); if (var9.canBeCollidedWith() && (!var9.isEntityEqual(this.shootingEntity) || this.ticksInAir >= 25)) { float var10 = 0.3F; AxisAlignedBB var11 = var9.getEntityBoundingBox().expand((double)var10, (double)var10, (double)var10); MovingObjectPosition var12 = var11.calculateIntercept(var1, var2); if (var12 != null) { double var13 = var1.distanceTo(var12.hitVec); if (var13 < var6 || var6 == 0.0D) { var4 = var9; var6 = var13; } } } } if (var4 != null) { var3 = new MovingObjectPosition(var4); } if (var3 != null) { this.onImpact(var3); } this.posX += this.motionX; this.posY += this.motionY; this.posZ += this.motionZ; float var15 = 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)var15, 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 var16 = this.getMotionFactor(); if (this.isInWater()) { for (int var17 = 0; var17 < 4; ++var17) { float var18 = 0.25F; this.worldObj.spawnParticle(EnumParticleTypes.WATER_BUBBLE, this.posX - this.motionX * (double)var18, this.posY - this.motionY * (double)var18, this.posZ - this.motionZ * (double)var18, this.motionX, this.motionY, this.motionZ, new int[0]); } var16 = 0.8F; } this.motionX += this.accelerationX; this.motionY += this.accelerationY; this.motionZ += this.accelerationZ; this.motionX *= (double)var16; this.motionY *= (double)var16; this.motionZ *= (double)var16; this.worldObj.spawnParticle(EnumParticleTypes.SMOKE_NORMAL, this.posX, this.posY + 0.5D, this.posZ, 0.0D, 0.0D, 0.0D, new int[0]); 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); ResourceLocation var2 = (ResourceLocation)Block.blockRegistry.getNameForObject(this.field_145796_h); tagCompound.setString("inTile", var2 == null ? "" : var2.toString()); 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"); if (tagCompund.hasKey("inTile", 8)) { this.field_145796_h = Block.getBlockFromName(tagCompund.getString("inTile")); } else { this.field_145796_h = Block.getBlockById(tagCompund.getByte("inTile") & 255); } this.inGround = tagCompund.getByte("inGround") == 1; if (tagCompund.hasKey("direction", 9)) { NBTTagList var2 = tagCompund.getTagList("direction", 6); this.motionX = var2.getDouble(0); this.motionY = var2.getDouble(1); this.motionZ = var2.getDouble(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.func_180431_b(source)) { return false; } else { this.setBeenAttacked(); if (source.getEntity() != null) { Vec3 var3 = source.getEntity().getLookVec(); if (var3 != null) { this.motionX = var3.xCoord; this.motionY = var3.yCoord; this.motionZ = var3.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; } } } /** * Gets how bright this entity is. */ public float getBrightness(float p_70013_1_) { return 1.0F; } }