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Fixed arrow flight and spawning bugs, fixed critical trail, close #420

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This commit is contained in:
Dylan K. Taylor
2017-04-26 18:55:48 +01:00
parent 2f87dfdcb0
commit caf4937222
4 changed files with 69 additions and 46 deletions
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77
src/pocketmine/entity/Projectile.php
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@ -64,13 +64,46 @@ abstract class Projectile extends Entity{
if(isset($this->namedtag->Age)){
$this->age = $this->namedtag["Age"];
}
}
public function canCollideWith(Entity $entity){
return $entity instanceof Living and !$this->onGround;
}
/**
* Returns the amount of damage this projectile will deal to the entity it hits.
* @return int
*/
public function getResultDamage() : int{
return ceil(sqrt($this->motionX ** 2 + $this->motionY ** 2 + $this->motionZ ** 2) * $this->damage);
}
public function onCollideWithEntity(Entity $entity){
$this->server->getPluginManager()->callEvent(new ProjectileHitEvent($this));
$damage = $this->getResultDamage();
if($this->shootingEntity === null){
$ev = new EntityDamageByEntityEvent($this, $entity, EntityDamageEvent::CAUSE_PROJECTILE, $damage);
}else{
$ev = new EntityDamageByChildEntityEvent($this->shootingEntity, $this, $entity, EntityDamageEvent::CAUSE_PROJECTILE, $damage);
}
$entity->attack($ev->getFinalDamage(), $ev);
$this->hadCollision = true;
if($this->fireTicks > 0){
$ev = new EntityCombustByEntityEvent($this, $entity, 5);
$this->server->getPluginManager()->callEvent($ev);
if(!$ev->isCancelled()){
$entity->setOnFire($ev->getDuration());
}
}
$this->close();
}
public function saveNBT(){
parent::saveNBT();
$this->namedtag->Age = new ShortTag("Age", $this->age);
@ -133,42 +166,14 @@ abstract class Projectile extends Entity{
if($movingObjectPosition !== null){
if($movingObjectPosition->entityHit !== null){
$this->server->getPluginManager()->callEvent(new ProjectileHitEvent($this));
$motion = sqrt($this->motionX ** 2 + $this->motionY ** 2 + $this->motionZ ** 2);
$damage = ceil($motion * $this->damage);
if($this instanceof Arrow and $this->isCritical){
$damage += mt_rand(0, (int) ($damage / 2) + 1);
}
if($this->shootingEntity === null){
$ev = new EntityDamageByEntityEvent($this, $movingObjectPosition->entityHit, EntityDamageEvent::CAUSE_PROJECTILE, $damage);
}else{
$ev = new EntityDamageByChildEntityEvent($this->shootingEntity, $this, $movingObjectPosition->entityHit, EntityDamageEvent::CAUSE_PROJECTILE, $damage);
}
$movingObjectPosition->entityHit->attack($ev->getFinalDamage(), $ev);
$this->hadCollision = true;
if($this->fireTicks > 0){
$ev = new EntityCombustByEntityEvent($this, $movingObjectPosition->entityHit, 5);
$this->server->getPluginManager()->callEvent($ev);
if(!$ev->isCancelled()){
$movingObjectPosition->entityHit->setOnFire($ev->getDuration());
}
}
$this->kill();
return true;
$this->onCollideWithEntity($movingObjectPosition->entityHit);
return false;
}
}
$this->move($this->motionX, $this->motionY, $this->motionZ);
if($this->isCollided and !$this->hadCollision){
if($this->isCollided and !$this->hadCollision){ //Collided with a block
$this->hadCollision = true;
$this->motionX = 0;
@ -176,11 +181,14 @@ abstract class Projectile extends Entity{
$this->motionZ = 0;
$this->server->getPluginManager()->callEvent(new ProjectileHitEvent($this));
}elseif(!$this->isCollided and $this->hadCollision){
return false;
}elseif(!$this->isCollided and $this->hadCollision){ //Collided with block, but block later removed
//This currently doesn't work because the arrow's motion is all zeros when it's hit a block, so move() doesn't do any collision checks.
//TODO: fix this
$this->hadCollision = false;
}
if(!$this->onGround or abs($this->motionX) > 0.00001 or abs($this->motionY) > 0.00001 or abs($this->motionZ) > 0.00001){
if(!$this->hadCollision or abs($this->motionX) > 0.00001 or abs($this->motionY) > 0.00001 or abs($this->motionZ) > 0.00001){
$f = sqrt(($this->motionX ** 2) + ($this->motionZ ** 2));
$this->yaw = (atan2($this->motionX, $this->motionZ) * 180 / M_PI);
$this->pitch = (atan2($this->motionY, $f) * 180 / M_PI);
@ -188,7 +196,6 @@ abstract class Projectile extends Entity{
}
$this->updateMovement();
}
return $hasUpdate;