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.item.ItemStack; import net.minecraft.nbt.NBTTagCompound; import net.minecraft.util.MathHelper; import net.minecraft.world.World; public class EntityFireworkRocket extends Entity { /** The age of the firework in ticks. */ private int fireworkAge; /** The lifetime of the firework in ticks. When the age reaches the lifetime the firework explodes. */ private int lifetime; private static final String __OBFID = "CL_00001718"; public EntityFireworkRocket(World p_i1762_1_) { super(p_i1762_1_); this.setSize(0.25F, 0.25F); } protected void entityInit() { this.dataWatcher.addObjectByDataType(8, 5); } /** * 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) { return distance < 4096.0D; } public EntityFireworkRocket(World p_i1763_1_, double p_i1763_2_, double p_i1763_4_, double p_i1763_6_, ItemStack p_i1763_8_) { super(p_i1763_1_); this.fireworkAge = 0; this.setSize(0.25F, 0.25F); this.setPosition(p_i1763_2_, p_i1763_4_, p_i1763_6_); this.yOffset = 0.0F; int i = 1; if (p_i1763_8_ != null && p_i1763_8_.hasTagCompound()) { this.dataWatcher.updateObject(8, p_i1763_8_); NBTTagCompound nbttagcompound = p_i1763_8_.getTagCompound(); NBTTagCompound nbttagcompound1 = nbttagcompound.getCompoundTag("Fireworks"); if (nbttagcompound1 != null) { i += nbttagcompound1.getByte("Flight"); } } this.motionX = this.rand.nextGaussian() * 0.001D; this.motionZ = this.rand.nextGaussian() * 0.001D; this.motionY = 0.05D; this.lifetime = 10 * i + this.rand.nextInt(6) + this.rand.nextInt(7); } /** * 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.motionX *= 1.15D; this.motionZ *= 1.15D; this.motionY += 0.04D; this.moveEntity(this.motionX, this.motionY, 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.fireworkAge == 0) { this.worldObj.playSoundAtEntity(this, "fireworks.launch", 3.0F, 1.0F); } ++this.fireworkAge; if (this.worldObj.isRemote && this.fireworkAge % 2 < 2) { this.worldObj.spawnParticle("fireworksSpark", this.posX, this.posY - 0.3D, this.posZ, this.rand.nextGaussian() * 0.05D, -this.motionY * 0.5D, this.rand.nextGaussian() * 0.05D); } if (!this.worldObj.isRemote && this.fireworkAge > this.lifetime) { this.worldObj.setEntityState(this, (byte)17); this.setDead(); } } @SideOnly(Side.CLIENT) public void handleHealthUpdate(byte p_70103_1_) { if (p_70103_1_ == 17 && this.worldObj.isRemote) { ItemStack itemstack = this.dataWatcher.getWatchableObjectItemStack(8); NBTTagCompound nbttagcompound = null; if (itemstack != null && itemstack.hasTagCompound()) { nbttagcompound = itemstack.getTagCompound().getCompoundTag("Fireworks"); } this.worldObj.makeFireworks(this.posX, this.posY, this.posZ, this.motionX, this.motionY, this.motionZ, nbttagcompound); } super.handleHealthUpdate(p_70103_1_); } /** * (abstract) Protected helper method to write subclass entity data to NBT. */ public void writeEntityToNBT(NBTTagCompound tagCompound) { tagCompound.setInteger("Life", this.fireworkAge); tagCompound.setInteger("LifeTime", this.lifetime); ItemStack itemstack = this.dataWatcher.getWatchableObjectItemStack(8); if (itemstack != null) { NBTTagCompound nbttagcompound1 = new NBTTagCompound(); itemstack.writeToNBT(nbttagcompound1); tagCompound.setTag("FireworksItem", nbttagcompound1); } } /** * (abstract) Protected helper method to read subclass entity data from NBT. */ public void readEntityFromNBT(NBTTagCompound tagCompund) { this.fireworkAge = tagCompund.getInteger("Life"); this.lifetime = tagCompund.getInteger("LifeTime"); NBTTagCompound nbttagcompound1 = tagCompund.getCompoundTag("FireworksItem"); if (nbttagcompound1 != null) { ItemStack itemstack = ItemStack.loadItemStackFromNBT(nbttagcompound1); if (itemstack != null) { this.dataWatcher.updateObject(8, itemstack); } } } @SideOnly(Side.CLIENT) public float getShadowSize() { return 0.0F; } /** * Gets how bright this entity is. */ public float getBrightness(float p_70013_1_) { return super.getBrightness(p_70013_1_); } @SideOnly(Side.CLIENT) public int getBrightnessForRender(float p_70070_1_) { return super.getBrightnessForRender(p_70070_1_); } /** * If returns false, the item will not inflict any damage against entities. */ public boolean canAttackWithItem() { return false; } }