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Sen 2025-03-11 00:23:54 +01:00 • committed by Sen
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java/src/game/entity/item/EntityFireworks.java Executable file
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package game.entity.item;
import game.ExtMath;
import game.entity.Entity;
import game.init.SoundEvent;
import game.item.ItemStack;
import game.nbt.NBTTagCompound;
import game.renderer.particle.ParticleType;
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, 1.0F);
}
++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;
}
}