package game.entity.item; import game.entity.Entity; import game.entity.EntityType; import game.init.SoundEvent; import game.item.ItemStack; import game.nbt.NBTTagCompound; import game.renderer.particle.ParticleType; import game.util.ExtMath; import game.world.World; import game.world.WorldClient; public class EntityFireworks 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; public EntityFireworks(World worldIn) { super(worldIn); 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 */ public boolean isInRangeToRenderDist(double distance) { return distance < 4096.0D; } public EntityFireworks(World worldIn, double x, double y, double z, ItemStack givenItem) { super(worldIn); this.fireworkAge = 0; this.setSize(0.25F, 0.25F); this.setPosition(x, y, z); int i = 1; if (givenItem != null && givenItem.hasTagCompound()) { this.dataWatcher.updateObject(8, givenItem); NBTTagCompound nbttagcompound = givenItem.getTagCompound(); NBTTagCompound nbttagcompound1 = nbttagcompound.getCompoundTag("Fireworks"); if (nbttagcompound1 != null) { i += nbttagcompound1.getByte("Flight"); } } this.motionX = this.rand.gaussian() * 0.001D; this.motionZ = this.rand.gaussian() * 0.001D; this.motionY = 0.05D; this.lifetime = 10 * i + this.rand.zrange(6) + this.rand.zrange(7); } public EntityFireworks(World worldIn, double x, double y, double z) { this(worldIn, x, y, z, null); } /** * Sets the velocity to the args. Args: x, y, z */ public void setVelocity(double x, double y, double z) { this.motionX = x; this.motionY = y; this.motionZ = z; if (this.prevPitch == 0.0F && this.prevYaw == 0.0F) { float f = ExtMath.sqrtd(x * x + z * z); this.prevYaw = this.rotYaw = (float)(ExtMath.atan2(x, z) * 180.0D / Math.PI); this.prevPitch = this.rotPitch = (float)(ExtMath.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 = ExtMath.sqrtd(this.motionX * this.motionX + this.motionZ * this.motionZ); this.rotYaw = (float)(ExtMath.atan2(this.motionX, this.motionZ) * 180.0D / Math.PI); for (this.rotPitch = (float)(ExtMath.atan2(this.motionY, (double)f) * 180.0D / Math.PI); this.rotPitch - this.prevPitch < -180.0F; this.prevPitch -= 360.0F) { ; } while (this.rotPitch - this.prevPitch >= 180.0F) { this.prevPitch += 360.0F; } while (this.rotYaw - this.prevYaw < -180.0F) { this.prevYaw -= 360.0F; } while (this.rotYaw - this.prevYaw >= 180.0F) { this.prevYaw += 360.0F; } this.rotPitch = this.prevPitch + (this.rotPitch - this.prevPitch) * 0.2F; this.rotYaw = this.prevYaw + (this.rotYaw - this.prevYaw) * 0.2F; if (this.fireworkAge == 0) // && !this.isSilent()) { this.worldObj.playSoundAtEntity(this, SoundEvent.LAUNCH, 3.0F); } ++this.fireworkAge; if (this.worldObj.client && this.fireworkAge % 2 < 2) { this.worldObj.spawnParticle(ParticleType.FIREWORKS_SPARK, this.posX, this.posY - 0.3D, this.posZ, this.rand.gaussian() * 0.05D, -this.motionY * 0.5D, this.rand.gaussian() * 0.05D); } if (!this.worldObj.client && this.fireworkAge > this.lifetime) { this.worldObj.setEntityState(this, (byte)17); this.setDead(); } } public void handleStatusUpdate(byte id) { if (id == 17 && this.worldObj.client) { ItemStack itemstack = this.dataWatcher.getWatchableObjectItemStack(8); NBTTagCompound nbttagcompound = null; if (itemstack != null && itemstack.hasTagCompound()) { nbttagcompound = itemstack.getTagCompound().getCompoundTag("Fireworks"); } ((WorldClient)this.worldObj).makeFireworks(this.posX, this.posY, this.posZ, this.motionX, this.motionY, this.motionZ, nbttagcompound); } super.handleStatusUpdate(id); } /** * (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 nbttagcompound = new NBTTagCompound(); itemstack.writeToNBT(nbttagcompound); tagCompound.setTag("FireworksItem", nbttagcompound); } } /** * (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 nbttagcompound = tagCompund.getCompoundTag("FireworksItem"); if (nbttagcompound != null) { ItemStack itemstack = ItemStack.loadItemStackFromNBT(nbttagcompound); if (itemstack != null) { this.dataWatcher.updateObject(8, itemstack); } } } /** * Gets how bright this entity is. */ public float getBrightness(float partialTicks) { return super.getBrightness(partialTicks); } public int getBrightnessForRender(float partialTicks) { return super.getBrightnessForRender(partialTicks); } /** * If returns false, the item will not inflict any damage against entities. */ public boolean canAttackWithItem() { return false; } public int getTrackingRange() { return 64; } public int getUpdateFrequency() { return 10; } public boolean isSendingVeloUpdates() { return true; } public EntityType getType() { return EntityType.EXPLOSIVE; } }