@SuppressWarnings("unchecked")
@Override
public void execute(final ScriptEntry scriptEntry) throws CommandExecutionException {
dEntity originEntity = (dEntity) scriptEntry.getObject("originEntity");
dLocation originLocation = scriptEntry.hasObject("originLocation") ?
(dLocation) scriptEntry.getObject("originLocation") :
new dLocation(originEntity.getEyeLocation()
.add(originEntity.getEyeLocation().getDirection()));
boolean no_rotate = scriptEntry.hasObject("no_rotate") && scriptEntry.getElement("no_rotate").asBoolean();
// If there is no destination set, but there is a shooter, get a point
// in front of the shooter and set it as the destination
final dLocation destination = scriptEntry.hasObject("destination") ?
(dLocation) scriptEntry.getObject("destination") :
(originEntity != null ? new dLocation(originEntity.getEyeLocation()
.add(originEntity.getEyeLocation().getDirection()
.multiply(30)))
: null);
// TODO: Same as PUSH -- is this the place to do this?
if (destination == null) {
dB.report(scriptEntry, getName(), "No destination specified!");
return;
}
final List<dEntity> entities = (List<dEntity>) scriptEntry.getObject("entities");
final dScript script = (dScript) scriptEntry.getObject("script");
dEntity shooter = (dEntity) scriptEntry.getObject("shooter");
Element height = scriptEntry.getElement("height");
Element gravity = scriptEntry.getElement("gravity");
Element speed = scriptEntry.getElement("speed");
Element spread = scriptEntry.getElement("spread");
dLocation lead = (dLocation) scriptEntry.getObject("lead");
// Report to dB
dB.report(scriptEntry, getName(), aH.debugObj("origin", originEntity != null ? originEntity : originLocation) +
aH.debugObj("entities", entities.toString()) +
destination.debug() +
height.debug() +
(gravity != null ? gravity.debug(): "") +
(speed != null ? speed.debug(): "") +
(script != null ? script.debug() : "") +
(shooter != null ? shooter.debug() : "") +
(spread != null ? spread.debug() : "") +
(lead != null ? lead.debug(): "") +
(no_rotate ? aH.debugObj("no_rotate", "true"): ""));
// Keep a dList of entities that can be called using <entry[name].shot_entities>
// later in the script queue
final dList entityList = new dList();
// Go through all the entities, spawning/teleporting and rotating them
for (dEntity entity : entities) {
entity.spawnAt(originLocation);
// Only add to entityList after the entities have been
// spawned, otherwise you'll get something like "e@skeleton"
// instead of "e@57" on it
entityList.add(entity.toString());
if (!no_rotate)
Rotation.faceLocation(entity.getBukkitEntity(), destination);
// If the current entity is a projectile, set its shooter
// when applicable
if (entity.isProjectile() && (shooter != null || originEntity != null)) {
entity.setShooter(shooter != null ? shooter : originEntity);
// Also, watch for it hitting a target
arrows.put(entity.getUUID(), null);
}
}
// Add entities to context so that the specific entities created/spawned
// can be fetched.
scriptEntry.addObject("shot_entities", entityList);
if (spread == null)
Position.mount(Conversion.convertEntities(entities));
// Get the entity at the bottom of the entity list, because
// only its gravity should be affected and tracked considering
// that the other entities will be mounted on it
final dEntity lastEntity = entities.get(entities.size() - 1);
if (gravity == null) {
String entityType = lastEntity.getEntityType().name();
for (Gravity defaultGravity : Gravity.values()) {
if (defaultGravity.name().equals(entityType)) {
gravity = new Element(defaultGravity.getGravity());
}
}
// If the gravity is still null, use a default value
if (gravity == null) {
gravity = new Element(0.115);
}
}
if (speed == null) {
Vector v1 = lastEntity.getLocation().toVector();
Vector v2 = destination.toVector();
Vector v3 = Velocity.calculate(v1, v2, gravity.asDouble(), height.asDouble());
lastEntity.setVelocity(v3);
}
else if (lead == null) {
Vector relative = destination.clone().subtract(originLocation).toVector();
lastEntity.setVelocity(relative.normalize().multiply(speed.asDouble()));
}
else {
double g = 20;
double v = speed.asDouble();
Vector relative = destination.clone().subtract(originLocation).toVector();
double testAng = Velocity.launchAngle(originLocation, destination.toVector(), v, relative.getY(), g);
double hangTime = Velocity.hangtime(testAng, v, relative.getY(), g);
Vector to = destination.clone().add(lead.clone().multiply(hangTime)).toVector();
relative = to.clone().subtract(originLocation.toVector());
Double dist = Math.sqrt(relative.getX() * relative.getX() + relative.getZ() * relative.getZ());
if (dist == 0) dist = 0.1d;
testAng = Velocity.launchAngle(originLocation, to, v, relative.getY(), g);
relative.setY(Math.tan(testAng) * dist);