public void shoot(float delta, bool isPuppet)
{
if (reloadWeapon)
{
return;
}
if (!isPuppet)
{
return;
}
// Get bullet ray.
RayCast bulletRay = (RayCast)camera.GetNode("bullet_ray");
if (bullets > 0)
{
bullets -= 1;
// Notify bullet update
GameState.instance.EmitSignal(nameof(GameState.updateWeapon), weaponName, bullets, ammo);
if (camera != null)
{
// Recoil
camera.Rotation = new Vector3(
Mathf.Lerp(camera.Rotation.x, (float)GD.RandRange(1, 2), delta),
Mathf.Lerp(camera.Rotation.y, (float)GD.RandRange(-1, 1), delta),
camera.Rotation.z
);
// Shake
camera.Set("shakeForce", 0.002);
camera.Set("shakeTime", 0.2);
}
// Audio
AudioStreamPlayer3D shoot = ((AudioStreamPlayer3D)audioNode.GetNode("shoot"));
shoot.PitchScale = (float)GD.RandRange(0.9, 1.1);
shoot.Play();
// Update crosshair
crosshair.RectScale = crosshair.RectScale.LinearInterpolate(new Vector2(4, 4), 10 * delta);
if (bulletRay.IsColliding())
{
// Object collision
CollisionObject collisionObject = (CollisionObject)bulletRay.GetCollider();
// Add spark to props.
if (collisionObject.IsInGroup("props"))
{
// Add Spark
Particles spark = (Particles)sparkScene.Instance();
((Node)bulletRay.GetCollider()).AddChild(spark);
spark.GlobalTransform = new Transform(spark.GlobalTransform.basis, bulletRay.GetCollisionPoint());
spark.Emitting = true;
}
// Add Muzzle
Particles muzzle = (Particles)muzzleScene.Instance();
barrelNode.AddChild(muzzle);
muzzle.Emitting = true;
if (collisionObject is KinematicBody)
{
// Add Blood splatter
Particles splatter = (Particles)splatterScene.Instance();
((Node)bulletRay.GetCollider()).AddChild(splatter);
splatter.GlobalTransform = new Transform(splatter.GlobalTransform.basis, bulletRay.GetCollisionPoint());
splatter.Emitting = true;
int localDamage = 0;
if (collisionObject.IsInGroup("head"))
{
localDamage = (int)GD.RandRange(damage / 2, damage);
}
else
{
localDamage = (int)GD.RandRange(damage / 3, damage / 2);
}
int colliderId = Convert.ToInt32(collisionObject.Name);
// Send damage report.
GameState.instance.EmitSignal(nameof(GameState.takeDamage), colliderId, localDamage);
return;
}
else if (collisionObject.IsInGroup("props") || collisionObject.IsInGroup("walls"))
{
// Apply force to rigid body other than hitbox
if (bulletRay.GetCollider() is RigidBody)
{
int localDamage = (int)GD.RandRange(damage / 1.5f, damage);
((RigidBody)bulletRay.GetCollider()).ApplyCentralImpulse(-bulletRay.GetCollisionNormal() * (localDamage * 0.3f));
}
// Apply decal
Spatial decal = (Spatial)decalScene.Instance();
((Node)bulletRay.GetCollider()).AddChild(decal);
decal.GlobalTransform = new Transform(
decal.GlobalTransform.basis,
bulletRay.GetCollisionPoint()
);
decal.LookAt(bulletRay.GetCollisionPoint() + bulletRay.GetCollisionNormal(), new Vector3(1, 1, 0));
return;
}
}
}
else
{
AudioStreamPlayer3D empty = ((AudioStreamPlayer3D)audioNode.GetNode("empty"));
if (!empty.Playing)
{
empty.PitchScale = (float)GD.RandRange(0.9, 1.1);
empty.Play();
}
}
}
public override void _PhysicsProcess(float delta)
{
base._PhysicsProcess(delta);
// check if the wave nearest the player has passed the global z-axis zero point
// At that point it is not longer cutable, and must be removed
var nearestWave = WaveInstances.FirstOrDefault();
if (nearestWave != null &&
nearestWave.GlobalTransform.origin.z >= 1)
{
// wave should have faded-out by now, so remove it from the scene.
WaveInstances.Remove(nearestWave);
nearestWave.Remove();
nearestWave.QueueFree();
}
else if (nearestWave != null &&
nearestWave.GlobalTransform.origin.z >= 0)
{
nearestWave.SetForRemoval();
}
// check for a collision with the ribbon
// Check all waves within 1m of global origin for cuts
foreach (var waveInstance in WaveInstances)
{
if (waveInstance.GlobalTransform.origin.z > -1) // only check for cuts when wave is near player origin
{
waveInstance.SetActive();
if (waveInstance.WaveCut(RibbonPoints))
{
// todo - if all the segments are cut, play a special sound effect?
}
}
}
// check if it's time to emit another wave
// Previously attempted to do this with a Timer, and also with OS.ticks() method, but both fell out of sync with audio over duration of track.
// Using GetPlaybackPosition() to time wave emission seems to be effective
// todo - investigate method here: https://docs.godotengine.org/en/stable/tutorials/audio/sync_with_audio.html#using-the-sound-hardware-clock-to-sync
if (Active &&
AudioStreamPlayer.GetPlaybackPosition() >= NextEmissionTime - WARP_TIME)
{
// Initialise a new wave
var waveInstance = WaveScene.Instance() as Wave;
WaveSpawnPoint.AddChild(waveInstance);
waveInstance.Initialise(WaveSequence.GetNextWave());
WaveInstances.Add(waveInstance);
// "warp" the wave in quickly...
WaveMovementTween.InterpolateProperty(waveInstance, "translation:z", -30, 0, WARP_TIME);
// ...then move the wave towards the player at a reasonable speed (n.b. this tween starts after a delay)
var animationDuration = 3f;
WaveMovementTween.InterpolateProperty(waveInstance, "translation:z", 0, 3, animationDuration, delay: WARP_TIME);
if (waveInstance.RotationRateRad != 0)
{
// some waves will also rotate as they move toward the player (n.b. this tween starts after a delay)
var rotationStart = waveInstance.Rotation.z;
var rotationEnd = waveInstance.Rotation.z + (waveInstance.RotationRateRad * animationDuration);
WaveMovementTween.InterpolateProperty(waveInstance, "rotation:z", rotationStart, rotationEnd, animationDuration, delay: WARP_TIME);
}
WaveMovementTween.Start();
var nextWaveDelay = WaveSequence.GetNextWaveDelay();
if (nextWaveDelay.HasValue)
{
NextEmissionTime += nextWaveDelay.Value;
}
else
{
// no waves left in sequence
Active = false;
}
}
}
