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Sen 2025-03-11 00:23:54 +01:00 • committed by Sen
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java/src/game/entity/projectile/EntityArrow.java Executable file
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package game.entity.projectile;
import java.util.List;
import game.ExtMath;
import game.block.Block;
import game.enchantment.EnchantmentHelper;
import game.entity.DamageSource;
import game.entity.Entity;
import game.entity.npc.EntityNPC;
import game.entity.types.EntityLiving;
import game.entity.types.IObjectData;
import game.entity.types.IProjectile;
import game.init.BlockRegistry;
import game.init.Config;
import game.init.Items;
import game.init.SoundEvent;
import game.item.ItemStack;
import game.material.Material;
import game.nbt.NBTTagCompound;
import game.renderer.particle.ParticleType;
import game.world.BlockPos;
import game.world.BoundingBox;
import game.world.HitPosition;
import game.world.State;
import game.world.Vec3;
import game.world.World;
public class EntityArrow extends Entity implements IProjectile, IObjectData
{
private int xTile = -1;
private int yTile = -1;
private int zTile = -1;
private Block inTile;
private int inData;
private boolean inGround;
/** 1 if the player can pick up the arrow */
public int canBePickedUp;
/** Seems to be some sort of timer for animating an arrow. */
public int arrowShake;
/** The owner of this arrow. */
public Entity shootingEntity;
private int ticksInGround;
private int ticksInAir;
private double damage = 2.0D;
/** The amount of knockback an arrow applies when it hits a mob. */
private int knockbackStrength;
public EntityArrow(World worldIn)
{
super(worldIn);
this.renderDistWeight = 10.0D;
this.setSize(0.5F, 0.5F);
}
public EntityArrow(World worldIn, double x, double y, double z)
{
super(worldIn);
this.renderDistWeight = 10.0D;
this.setSize(0.5F, 0.5F);
this.setPosition(x, y, z);
}
public EntityArrow(World worldIn, double x, double y, double z, int data)
{
this(worldIn, x, y, z);
Entity entity2 = worldIn.getEntityByID(data);
if(entity2 instanceof EntityLiving) {
this.shootingEntity = entity2;
}
}
public EntityArrow(World worldIn, EntityLiving shooter, EntityLiving target, float velocity, float innacuracy)
{
super(worldIn);
this.renderDistWeight = 10.0D;
this.shootingEntity = shooter;
if (shooter.isPlayer())
{
this.canBePickedUp = 1;
}
this.posY = shooter.posY + (double)shooter.getEyeHeight() - 0.10000000149011612D;
double d0 = target.posX - shooter.posX;
double d1 = target.getEntityBoundingBox().minY + (double)(target.height / 3.0F) - this.posY;
double d2 = target.posZ - shooter.posZ;
double d3 = (double)ExtMath.sqrtd(d0 * d0 + d2 * d2);
if (d3 >= 1.0E-7D)
{
float f = (float)(ExtMath.atan2(d2, d0) * 180.0D / Math.PI) - 90.0F;
float f1 = (float)(-(ExtMath.atan2(d1, d3) * 180.0D / Math.PI));
double d4 = d0 / d3;
double d5 = d2 / d3;
this.setLocationAndAngles(shooter.posX + d4, this.posY, shooter.posZ + d5, f, f1);
float f2 = (float)(d3 * 0.20000000298023224D);
this.setThrowableHeading(d0, d1 + (double)f2, d2, velocity, innacuracy);
}
}
public EntityArrow(World worldIn, EntityLiving shooter, float velocity)
{
super(worldIn);
this.renderDistWeight = 10.0D;
this.shootingEntity = shooter;
if (shooter.isPlayer())
{
this.canBePickedUp = 1;
}
this.setSize(0.5F, 0.5F);
this.setLocationAndAngles(shooter.posX, shooter.posY + (double)shooter.getEyeHeight(), shooter.posZ, shooter.rotYaw, shooter.rotPitch);
this.posX -= (double)(ExtMath.cos(this.rotYaw / 180.0F * (float)Math.PI) * 0.16F);
this.posY -= 0.10000000149011612D;
this.posZ -= (double)(ExtMath.sin(this.rotYaw / 180.0F * (float)Math.PI) * 0.16F);
this.setPosition(this.posX, this.posY, this.posZ);
this.motionX = (double)(-ExtMath.sin(this.rotYaw / 180.0F * (float)Math.PI) * ExtMath.cos(this.rotPitch / 180.0F * (float)Math.PI));
this.motionZ = (double)(ExtMath.cos(this.rotYaw / 180.0F * (float)Math.PI) * ExtMath.cos(this.rotPitch / 180.0F * (float)Math.PI));
this.motionY = (double)(-ExtMath.sin(this.rotPitch / 180.0F * (float)Math.PI));
this.setThrowableHeading(this.motionX, this.motionY, this.motionZ, velocity * 1.5F, 1.0F);
}
protected void entityInit()
{
this.dataWatcher.addObject(16, Byte.valueOf((byte)0));
}
/**
* Similar to setArrowHeading, it's point the throwable entity to a x, y, z direction.
*/
public void setThrowableHeading(double x, double y, double z, float velocity, float inaccuracy)
{
float f = ExtMath.sqrtd(x * x + y * y + z * z);
x = x / (double)f;
y = y / (double)f;
z = z / (double)f;
x = x + this.rand.gaussian() * (double)(this.rand.chance() ? -1 : 1) * 0.007499999832361937D * (double)inaccuracy;
y = y + this.rand.gaussian() * (double)(this.rand.chance() ? -1 : 1) * 0.007499999832361937D * (double)inaccuracy;
z = z + this.rand.gaussian() * (double)(this.rand.chance() ? -1 : 1) * 0.007499999832361937D * (double)inaccuracy;
x = x * (double)velocity;
y = y * (double)velocity;
z = z * (double)velocity;
this.motionX = x;
this.motionY = y;
this.motionZ = z;
float f1 = 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)f1) * 180.0D / Math.PI);
this.ticksInGround = 0;
}
public void setPositionAndRotation2(double x, double y, double z, float yaw, float pitch, int posRotationIncrements, boolean p_180426_10_)
{
this.setPosition(x, y, z);
this.setRotation(yaw, pitch);
}
/**
* 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);
this.prevPitch = this.rotPitch;
this.prevYaw = this.rotYaw;
this.setLocationAndAngles(this.posX, this.posY, this.posZ, this.rotYaw, this.rotPitch);
this.ticksInGround = 0;
}
}
/**
* Called to update the entity's position/logic.
*/
public void onUpdate()
{
super.onUpdate();
if (this.prevPitch == 0.0F && this.prevYaw == 0.0F)
{
float f = ExtMath.sqrtd(this.motionX * this.motionX + this.motionZ * this.motionZ);
this.prevYaw = this.rotYaw = (float)(ExtMath.atan2(this.motionX, this.motionZ) * 180.0D / Math.PI);
this.prevPitch = this.rotPitch = (float)(ExtMath.atan2(this.motionY, (double)f) * 180.0D / Math.PI);
}
BlockPos blockpos = new BlockPos(this.xTile, this.yTile, this.zTile);
State iblockstate = this.worldObj.getState(blockpos);
Block block = iblockstate.getBlock();
if (block.getMaterial() != Material.air)
{
block.setBlockBoundsBasedOnState(this.worldObj, blockpos);
BoundingBox axisalignedbb = block.getCollisionBoundingBox(this.worldObj, blockpos, iblockstate);
if (axisalignedbb != null && axisalignedbb.isVecInside(new Vec3(this.posX, this.posY, this.posZ)))
{
this.inGround = true;
}
}
if (this.arrowShake > 0)
{
--this.arrowShake;
}
if (this.inGround)
{
int j = block.getMetaFromState(iblockstate);
if (block == this.inTile && j == this.inData)
{
++this.ticksInGround;
if (this.ticksInGround >= 1200)
{
this.setDead();
}
}
else
{
this.inGround = false;
this.motionX *= (double)(this.rand.floatv() * 0.2F);
this.motionY *= (double)(this.rand.floatv() * 0.2F);
this.motionZ *= (double)(this.rand.floatv() * 0.2F);
this.ticksInGround = 0;
this.ticksInAir = 0;
}
}
else
{
++this.ticksInAir;
Vec3 vec31 = new Vec3(this.posX, this.posY, this.posZ);
Vec3 vec3 = new Vec3(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
HitPosition movingobjectposition = this.worldObj.rayTraceBlocks(vec31, vec3, false, true, false);
vec31 = new Vec3(this.posX, this.posY, this.posZ);
vec3 = new Vec3(this.posX + this.motionX, this.posY + this.motionY, this.posZ + this.motionZ);
if (movingobjectposition != null)
{
vec3 = new Vec3(movingobjectposition.vec.xCoord, movingobjectposition.vec.yCoord, movingobjectposition.vec.zCoord);
}
Entity entity = null;
List<Entity> list = this.worldObj.getEntitiesWithinAABBExcludingEntity(this, this.getEntityBoundingBox().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 != this.shootingEntity || this.ticksInAir >= 5))
{
float f1 = 0.3F;
BoundingBox axisalignedbb1 = entity1.getEntityBoundingBox().expand((double)f1, (double)f1, (double)f1);
HitPosition movingobjectposition1 = axisalignedbb1.calculateIntercept(vec31, vec3);
if (movingobjectposition1 != null)
{
double d1 = vec31.squareDistanceTo(movingobjectposition1.vec);
if (d1 < d0 || d0 == 0.0D)
{
entity = entity1;
d0 = d1;
}
}
}
}
if (entity != null)
{
movingobjectposition = new HitPosition(entity);
}
// if (movingobjectposition != null && movingobjectposition.entity != null && movingobjectposition.entity.isPlayer())
// {
// EntityNPC entityplayer = (EntityNPC)movingobjectposition.entity;
//
// if (entityplayer.creative || this.shootingEntity.isPlayer() && !((EntityNPC)this.shootingEntity).canAttackPlayer(entityplayer))
// {
// movingobjectposition = null;
// }
// }
if (movingobjectposition != null)
{
if (movingobjectposition.entity != null)
{
float f2 = ExtMath.sqrtd(this.motionX * this.motionX + this.motionY * this.motionY + this.motionZ * this.motionZ);
int l = ExtMath.ceild((double)f2 * this.damage);
if (this.getIsCritical())
{
l += this.rand.zrange(l / 2 + 2);
}
DamageSource damagesource;
if (this.shootingEntity == null)
{
damagesource = DamageSource.causeShotDamage(this, this);
}
else
{
damagesource = DamageSource.causeShotDamage(this, this.shootingEntity);
}
if (this.isBurning()) // && !(movingobjectposition.entityHit instanceof EntityAITakePlace))
{
movingobjectposition.entity.setFire(5);
}
if ((this.worldObj.client || Config.damageArrow) && movingobjectposition.entity.attackEntityFrom(damagesource, l))
{
if (movingobjectposition.entity instanceof EntityLiving)
{
EntityLiving entitylivingbase = (EntityLiving)movingobjectposition.entity;
if (!this.worldObj.client)
{
entitylivingbase.setArrowCountInEntity(entitylivingbase.getArrowCountInEntity() + 1);
}
if (this.knockbackStrength > 0)
{
float f7 = ExtMath.sqrtd(this.motionX * this.motionX + this.motionZ * this.motionZ);
if (f7 > 0.0F)
{
movingobjectposition.entity.addKnockback(this.motionX * (double)this.knockbackStrength * 0.6000000238418579D / (double)f7, 0.1D, this.motionZ * (double)this.knockbackStrength * 0.6000000238418579D / (double)f7);
}
}
if (this.shootingEntity instanceof EntityLiving)
{
EnchantmentHelper.applyThornEnchantments(entitylivingbase, this.shootingEntity);
EnchantmentHelper.applyArthropodEnchantments((EntityLiving)this.shootingEntity, entitylivingbase);
}
// if (this.shootingEntity != null && movingobjectposition.entityHit != this.shootingEntity && movingobjectposition.entityHit.isPlayer() && this.shootingEntity.isPlayer())
// {
// ((EntityNPCMP)this.shootingEntity).netHandler.sendPacket(new S29PacketSoundEffect(
// "random.successful_hit", shootingEntity.posX,
// shootingEntity.posY + (double)shootingEntity.getEyeHeight(), shootingEntity.posZ, 0.18F, 0.45F));
// }
}
this.playSound(SoundEvent.BOWHIT, 1.0F, 1.2F / (this.rand.floatv() * 0.2F + 0.9F));
// if (!(movingobjectposition.entityHit instanceof EntityAITakePlace))
// {
this.setDead();
// }
}
else
{
this.motionX *= -0.10000000149011612D;
this.motionY *= -0.10000000149011612D;
this.motionZ *= -0.10000000149011612D;
this.rotYaw += 180.0F;
this.prevYaw += 180.0F;
this.ticksInAir = 0;
}
}
else
{
BlockPos blockpos1 = movingobjectposition.block;
this.xTile = blockpos1.getX();
this.yTile = blockpos1.getY();
this.zTile = blockpos1.getZ();
State iblockstate1 = this.worldObj.getState(blockpos1);
this.inTile = iblockstate1.getBlock();
this.inData = this.inTile.getMetaFromState(iblockstate1);
this.motionX = (double)((float)(movingobjectposition.vec.xCoord - this.posX));
this.motionY = (double)((float)(movingobjectposition.vec.yCoord - this.posY));
this.motionZ = (double)((float)(movingobjectposition.vec.zCoord - this.posZ));
float f5 = ExtMath.sqrtd(this.motionX * this.motionX + this.motionY * this.motionY + this.motionZ * this.motionZ);
this.posX -= this.motionX / (double)f5 * 0.05000000074505806D;
this.posY -= this.motionY / (double)f5 * 0.05000000074505806D;
this.posZ -= this.motionZ / (double)f5 * 0.05000000074505806D;
this.playSound(SoundEvent.BOWHIT, 1.0F, 1.2F / (this.rand.floatv() * 0.2F + 0.9F));
this.inGround = true;
this.arrowShake = 7;
this.setIsCritical(false);
if (this.inTile.getMaterial() != Material.air)
{
this.inTile.onEntityCollidedWithBlock(this.worldObj, blockpos1, iblockstate1, this);
}
}
}
if (this.getIsCritical())
{
for (int k = 0; k < 4; ++k)
{
this.worldObj.spawnParticle(ParticleType.CRIT, this.posX + this.motionX * (double)k / 4.0D, this.posY + this.motionY * (double)k / 4.0D, this.posZ + this.motionZ * (double)k / 4.0D, -this.motionX, -this.motionY + 0.2D, -this.motionZ);
}
}
this.posX += this.motionX;
this.posY += this.motionY;
this.posZ += this.motionZ;
float f3 = 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)f3) * 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;
float f4 = 0.99F;
float f6 = 0.05F;
if (this.isInLiquid())
{
for (int i1 = 0; i1 < 4; ++i1)
{
float f8 = 0.25F;
this.worldObj.spawnParticle(ParticleType.WATER_BUBBLE, this.posX - this.motionX * (double)f8, this.posY - this.motionY * (double)f8, this.posZ - this.motionZ * (double)f8, this.motionX, this.motionY, this.motionZ);
}
f4 = 0.6F;
}
if (this.isWet())
{
this.extinguish();
}
this.motionX *= (double)f4;
this.motionY *= (double)f4;
this.motionZ *= (double)f4;
this.motionY -= (double)f6;
this.setPosition(this.posX, this.posY, this.posZ);
this.doBlockCollisions();
}
}
/**
* (abstract) Protected helper method to write subclass entity data to NBT.
*/
public void writeEntityToNBT(NBTTagCompound tagCompound)
{
tagCompound.setShort("xTile", (short)this.xTile);
tagCompound.setShort("yTile", (short)this.yTile);
tagCompound.setShort("zTile", (short)this.zTile);
tagCompound.setShort("life", (short)this.ticksInGround);
String resourcelocation = BlockRegistry.REGISTRY.getNameForObject(this.inTile);
tagCompound.setString("inTile", resourcelocation == null ? "" : resourcelocation.toString());
tagCompound.setByte("inData", (byte)this.inData);
tagCompound.setByte("shake", (byte)this.arrowShake);
tagCompound.setByte("inGround", (byte)(this.inGround ? 1 : 0));
tagCompound.setByte("pickup", (byte)this.canBePickedUp);
tagCompound.setDouble("damage", this.damage);
}
/**
* (abstract) Protected helper method to read subclass entity data from NBT.
*/
public void readEntityFromNBT(NBTTagCompound tagCompund)
{
this.xTile = tagCompund.getShort("xTile");
this.yTile = tagCompund.getShort("yTile");
this.zTile = tagCompund.getShort("zTile");
this.ticksInGround = tagCompund.getShort("life");
if (tagCompund.hasKey("inTile", 8))
{
this.inTile = BlockRegistry.getByIdFallback(tagCompund.getString("inTile"));
}
else
{
this.inTile = BlockRegistry.getBlockById(tagCompund.getByte("inTile") & 255);
}
this.inData = tagCompund.getByte("inData") & 255;
this.arrowShake = tagCompund.getByte("shake") & 255;
this.inGround = tagCompund.getByte("inGround") == 1;
if (tagCompund.hasKey("damage", 99))
{
this.damage = tagCompund.getDouble("damage");
}
if (tagCompund.hasKey("pickup", 99))
{
this.canBePickedUp = tagCompund.getByte("pickup");
}
else if (tagCompund.hasKey("player", 99))
{
this.canBePickedUp = tagCompund.getBoolean("player") ? 1 : 0;
}
}
/**
* Called by a player entity when they collide with an entity
*/
public void onCollideWithPlayer(EntityNPC entityIn)
{
if (!this.worldObj.client && this.inGround && this.arrowShake <= 0)
{
boolean flag = this.canBePickedUp == 1; // || this.canBePickedUp == 2 && entityIn.creative;
if (this.canBePickedUp == 1 && !entityIn.inventory.addItemStackToInventory(new ItemStack(Items.arrow, 1)))
{
flag = false;
}
if (flag)
{
this.playSound(SoundEvent.POP, 0.2F, ((this.rand.floatv() - this.rand.floatv()) * 0.7F + 1.0F) * 2.0F);
entityIn.onItemPickup(this, 1);
this.setDead();
}
}
}
/**
* returns if this entity triggers Block.onEntityWalking on the blocks they walk on. used for spiders and wolves to
* prevent them from trampling crops
*/
protected boolean canTriggerWalking()
{
return false;
}
public void setDamage(double damageIn)
{
this.damage = damageIn;
}
public double getDamage()
{
return this.damage;
}
/**
* Sets the amount of knockback the arrow applies when it hits a mob.
*/
public void setKnockbackStrength(int knockbackStrengthIn)
{
this.knockbackStrength = knockbackStrengthIn;
}
/**
* If returns false, the item will not inflict any damage against entities.
*/
public boolean canAttackWithItem()
{
return false;
}
public float getEyeHeight()
{
return 0.0F;
}
/**
* Whether the arrow has a stream of critical hit particles flying behind it.
*/
public void setIsCritical(boolean critical)
{
byte b0 = this.dataWatcher.getWatchableObjectByte(16);
if (critical)
{
this.dataWatcher.updateObject(16, Byte.valueOf((byte)(b0 | 1)));
}
else
{
this.dataWatcher.updateObject(16, Byte.valueOf((byte)(b0 & -2)));
}
}
/**
* Whether the arrow has a stream of critical hit particles flying behind it.
*/
public boolean getIsCritical()
{
byte b0 = this.dataWatcher.getWatchableObjectByte(16);
return (b0 & 1) != 0;
}
public int getTrackingRange() {
return 64;
}
public int getUpdateFrequency() {
return 20;
}
public boolean isSendingVeloUpdates() {
return false;
}
public int getPacketData() {
return this.shootingEntity != null ? this.shootingEntity.getId() : this.getId();
}
public boolean hasSpawnVelocity() {
return true;
}
}