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ShootCommand.java
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ShootCommand.java
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package net.aufdemrand.denizen.scripts.commands.core;
import java.util.HashMap;
import java.util.Map;
import net.aufdemrand.denizen.exceptions.CommandExecutionException;
import net.aufdemrand.denizen.exceptions.InvalidArgumentsException;
import net.aufdemrand.denizen.scripts.ScriptEntry;
import net.aufdemrand.denizen.scripts.commands.AbstractCommand;
import net.aufdemrand.denizen.scripts.containers.core.TaskScriptContainer;
import net.aufdemrand.denizen.utilities.Utilities;
import net.aufdemrand.denizen.utilities.arguments.Duration;
import net.aufdemrand.denizen.utilities.arguments.dLocation;
import net.aufdemrand.denizen.utilities.arguments.Script;
import net.aufdemrand.denizen.utilities.arguments.aH;
import net.aufdemrand.denizen.utilities.debugging.dB;
import net.aufdemrand.denizen.utilities.debugging.dB.Messages;
import org.bukkit.Location;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Projectile;
import org.bukkit.scheduler.BukkitRunnable;
import org.bukkit.util.Vector;
/**
* Makes the NPC shoot entities towards a location.
* If no location is chosen, the NPC shoots entities in the direction it is facing.
*
* @author David Cernat
*/
public class ShootCommand extends AbstractCommand {
private enum ShooterType { NPC, PLAYER }
@Override
public void parseArgs(ScriptEntry scriptEntry) throws InvalidArgumentsException {
// Initialize necessary fields
ShooterType shooterType = ShooterType.NPC;
LivingEntity shooter = null;
EntityType entityType = null;
//Integer qty = null;
Location location = null;
Script newScript = null;
Boolean ride = false;
Boolean burn = false;
for (String arg : scriptEntry.getArguments()) {
if (aH.matchesEntityType(arg)) {
entityType = aH.getEntityFrom(arg);
dB.echoDebug("...projectile set to '%s'.", arg);
} else if (aH.matchesLocation(arg)) {
location = aH.getLocationFrom(arg);
dB.echoDebug("...location set to '%s'.", arg);
} else if (aH.matchesArg("PLAYER", arg)) {
shooterType = ShooterType.PLAYER;
dB.echoDebug("... will be shot by the player!");
} else if (aH.matchesScript(arg)) {
newScript = aH.getScriptFrom(arg);
dB.echoDebug(Messages.DEBUG_SET_SCRIPT, arg);
} else if (aH.matchesArg("ride, mount", arg)) {
ride = true;
dB.echoDebug("...will be mounted.");
} else if (aH.matchesArg("burn, burning", arg)) {
burn = true;
dB.echoDebug("...will burn.");
} else throw new InvalidArgumentsException(Messages.ERROR_UNKNOWN_ARGUMENT, arg);
}
if (shooterType.name().equals("NPC")) {
shooter = scriptEntry.getNPC().getEntity();
}
else if (shooterType.name().equals("PLAYER")) {
shooter = scriptEntry.getPlayer();
}
if (location == null) {
location = shooter.getEyeLocation().add(
shooter.getEyeLocation().getDirection().
multiply(40));
}
if (entityType == null) throw new InvalidArgumentsException(Messages.ERROR_INVALID_ENTITY);
// Stash objects
scriptEntry.addObject("entityType", entityType);
scriptEntry.addObject("location", location);
scriptEntry.addObject("shooter", shooter);
scriptEntry.addObject("shooterType", shooterType);
scriptEntry.addObject("script", newScript);
scriptEntry.addObject("ride", ride);
scriptEntry.addObject("burn", burn);
}
@Override
public void execute(final ScriptEntry scriptEntry) throws CommandExecutionException {
// Get objects
final Location location = (Location) scriptEntry.getObject("location");
LivingEntity shooter = (LivingEntity) scriptEntry.getObject("shooter");
ShooterType shooterType = (ShooterType) scriptEntry.getObject("shooterType");
EntityType entityType = (EntityType) scriptEntry.getObject("entityType");
Boolean ride = (Boolean) scriptEntry.getObject("ride");
Boolean burn = (Boolean) scriptEntry.getObject("burn");
// If the shooter is an NPC, always rotate it to face the destination
// of the projectile, but if the shooter is a player, only rotate him/her
// if he/she is not looking in the correct general direction
if (shooterType.name().equals("NPC") ||
Utilities.isFacingLocation(shooter, location, 45) == false) {
Utilities.faceLocation(shooter, location);
}
final Entity entity = shooter.getWorld().spawnEntity(
shooter.getEyeLocation().add(
shooter.getEyeLocation().getDirection())
.subtract(0, 0.4, 0),
entityType);
Utilities.faceLocation(entity, location);
if (ride == true) {
entity.setPassenger(scriptEntry.getPlayer());
}
if (burn == true) {
entity.setFireTicks(500);
}
if (entity instanceof Projectile) {
((Projectile) entity).setShooter(shooter);
}
BukkitRunnable task = new BukkitRunnable()
{
int runs = 0;
public void run() {
if (runs < 40 && entity.isValid())
{
Vector v1 = entity.getLocation().toVector();
Vector v2 = location.toVector();
Vector v3 = v2.clone().subtract(v1).normalize().multiply(1.5);
entity.setVelocity(v3);
runs++;
// Check if the entity is close to its destination
if (Math.abs(v2.getX() - v1.getX()) < 2 && Math.abs(v2.getY() - v1.getY()) < 2
&& Math.abs(v2.getZ() - v1.getZ()) < 2)
{
runs = 40;
}
// Check if the entity has collided with something
// using the most basic possible calculation
if (entity.getLocation().add(v3).getBlock().getType().toString().equals("AIR") == false) {
runs = 40;
}
}
else
{
this.cancel();
runs = 0;
if (scriptEntry.getObject("script") != null)
{
Map<String, String> context = new HashMap<String, String>();
context.put("1", entity.getLocation().getX() + "," + entity.getLocation().getY() + "," + entity.getLocation().getZ() + "," + entity.getLocation().getWorld().getName());
((TaskScriptContainer) ((Script) scriptEntry.getObject("script")).
getContainer()).setSpeed(new Duration(0))
.runTaskScript(scriptEntry.getPlayer(), scriptEntry.getNPC(), context);
}
}
}
};
task.runTaskTimer(denizen, 0, 2);
}
}