Examples with Velocity com.denizenscript.denizen.utilities.entity.Velocity used on opensource projects

Example 1 with Velocity

use of com.denizenscript.denizen.utilities.entity.Velocity in project Denizen-For-Bukkit by DenizenScript.

the class ShootCommand method execute.

@Override
public void execute(final ScriptEntry scriptEntry) {
    EntityTag originEntity = scriptEntry.getObjectTag("origin_entity");
    LocationTag originLocation = scriptEntry.hasObject("origin_location") ? (LocationTag) scriptEntry.getObject("origin_location") : new LocationTag(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 LocationTag destination = scriptEntry.hasObject("destination") ? (LocationTag) scriptEntry.getObject("destination") : (originEntity != null ? new LocationTag(originEntity.getEyeLocation().clone().add(originEntity.getEyeLocation().clone().getDirection().multiply(30))) : (originLocation != null ? new LocationTag(originLocation.clone().add(originLocation.getDirection().multiply(30))) : null));
    // TODO: Same as PUSH -- is this the place to do this?
    if (destination == null) {
        Debug.echoError("No destination specified!");
        return;
    }
    final List<EntityTag> entities = (List<EntityTag>) scriptEntry.getObject("entities");
    final ScriptTag script = scriptEntry.getObjectTag("script");
    final ElementTag subPath = scriptEntry.getElement("path");
    final ListTag definitions = scriptEntry.getObjectTag("definitions");
    EntityTag shooter = scriptEntry.getObjectTag("shooter");
    ElementTag height = scriptEntry.getElement("height");
    ElementTag gravity = scriptEntry.getElement("gravity");
    ElementTag speed = scriptEntry.getElement("speed");
    ElementTag spread = scriptEntry.getElement("spread");
    LocationTag lead = scriptEntry.getObjectTag("lead");
    if (scriptEntry.dbCallShouldDebug()) {
        Debug.report(scriptEntry, getName(), originEntity, originLocation, db("entities", entities), destination, height, gravity, speed, script, subPath, shooter, spread, lead, (no_rotate ? db("no_rotate", "true") : ""), definitions);
    }
    final ListTag entityList = new ListTag();
    if (!no_rotate) {
        originLocation = new LocationTag(NMSHandler.getEntityHelper().faceLocation(originLocation, destination));
    }
    for (EntityTag entity : entities) {
        if (!entity.isSpawned() || !no_rotate) {
            entity.spawnAt(originLocation);
        }
        entityList.addObject(entity);
        if (entity.isProjectile()) {
            if (shooter != null || originEntity != null) {
                entity.setShooter(shooter != null ? shooter : originEntity);
            }
            if (script != null || scriptEntry.shouldWaitFor()) {
                arrows.put(entity.getUUID(), null);
            }
        }
    }
    scriptEntry.addObject("shot_entities", entityList);
    if (entityList.size() == 1) {
        scriptEntry.addObject("shot_entity", entityList.getObject(0));
    }
    if (spread == null) {
        Position.mount(Conversion.convertEntities(entities));
    }
    final EntityTag lastEntity = entities.get(entities.size() - 1);
    if (speed == null) {
        if (gravity == null) {
            gravity = new ElementTag(lastEntity.getEntityType().getGravity());
        }
        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);
        relative = relative.normalize();
        v = v + (1.188 * Math.pow(hangTime, 2));
        relative = relative.multiply(v / 20.0d);
        lastEntity.setVelocity(relative);
    }
    if (spread != null) {
        Vector base = lastEntity.getVelocity().clone();
        float sf = spread.asFloat();
        for (EntityTag entity : entities) {
            Vector newvel = Velocity.spread(base, (CoreUtilities.getRandom().nextDouble() > 0.5f ? 1 : -1) * Math.toRadians(CoreUtilities.getRandom().nextDouble() * sf), (CoreUtilities.getRandom().nextDouble() > 0.5f ? 1 : -1) * Math.toRadians(CoreUtilities.getRandom().nextDouble() * sf));
            entity.setVelocity(newvel);
        }
    }
    final LocationTag start = new LocationTag(lastEntity.getLocation());
    // A task used to trigger a script if the entity is no longer
    // being shot, when the script argument is used
    BukkitRunnable task = new BukkitRunnable() {

        boolean flying = true;

        LocationTag lastLocation = null;

        Vector lastVelocity = null;

        public void run() {
            // If the entity is no longer spawned, stop the task
            if (!lastEntity.isSpawned()) {
                if (Debug.verbose) {
                    Debug.log("Shoot ended because entity not spawned");
                }
                flying = false;
            } else // the air, stop the task
            if (lastLocation != null && lastVelocity != null && !(lastEntity.getBukkitEntity() instanceof Projectile)) {
                if (lastLocation.getWorld() != lastEntity.getBukkitEntity().getWorld() || (lastLocation.distanceSquared(lastEntity.getBukkitEntity().getLocation()) < 0.1 && lastVelocity.distanceSquared(lastEntity.getBukkitEntity().getVelocity()) < 0.1)) {
                    if (Debug.verbose) {
                        Debug.log("Shoot ended because distances short - locations: " + (lastLocation.distanceSquared(lastEntity.getBukkitEntity().getLocation())) + ", velocity: " + (lastVelocity.distanceSquared(lastEntity.getBukkitEntity().getVelocity()) < 0.1));
                    }
                    flying = false;
                }
            }
            if (!arrows.containsKey(lastEntity.getUUID()) || arrows.get(lastEntity.getUUID()) != null) {
                if (Debug.verbose) {
                    Debug.log("Shoot ended because uuid was updated (hit entity?)");
                }
                flying = false;
            }
            // are met
            if (!flying) {
                this.cancel();
                ListTag hitEntities = new ListTag();
                for (EntityTag entity : entities) {
                    if (arrows.containsKey(entity.getUUID())) {
                        EntityTag hit = arrows.get(entity.getUUID());
                        arrows.remove(entity.getUUID());
                        if (hit != null) {
                            hitEntities.addObject(hit);
                        }
                    }
                }
                if (lastLocation == null) {
                    lastLocation = start;
                }
                scriptEntry.addObject("location", new LocationTag(lastLocation));
                scriptEntry.addObject("hit_entities", hitEntities);
                if (script != null) {
                    Consumer<ScriptQueue> configure = (queue) -> {
                        queue.addDefinition("location", new LocationTag(lastLocation));
                        queue.addDefinition("shot_entities", entityList);
                        queue.addDefinition("last_entity", lastEntity);
                        queue.addDefinition("hit_entities", hitEntities);
                    };
                    ScriptUtilities.createAndStartQueue(script.getContainer(), subPath == null ? null : subPath.asString(), scriptEntry.entryData, null, configure, null, null, definitions, scriptEntry);
                }
                scriptEntry.setFinished(true);
            } else {
                // Record its position in case the entity dies
                lastLocation = lastEntity.getLocation();
                lastVelocity = lastEntity.getVelocity();
            }
        }
    };
    if (script != null || scriptEntry.shouldWaitFor()) {
        task.runTaskTimer(Denizen.getInstance(), 1, 2);
    }
}