private void FireExplosives()
{
// Set up working data
EnemyBlueprint blueprint = this.blueprint.Res;
Ship ship = this.GameObj.GetComponent <Ship>();
Vector2 pos = this.GameObj.Transform.Pos.Xy;
// Push other objects away
GameplayHelper.Shockwave(
pos,
blueprint.ExplosionRadius,
blueprint.ExplosionForce,
blueprint.ExplosionMaxVelocity,
obj => obj.GameObj != this.GameObj);
// Damage other objects
GameplayHelper.ExplosionDamage(
pos,
blueprint.ExplosionRadius,
blueprint.ExplosionDamage,
body => body.GameObj.GetComponent <Ship>() != null && body.GameObj != ship.GameObj);
// Die instantly
ship.Die();
// Spawn explosion effects
if (blueprint.ExplosionEffects != null)
{
Transform transform = this.GameObj.Transform;
for (int i = 0; i < blueprint.ExplosionEffects.Length; i++)
{
GameObject effectObj = blueprint.ExplosionEffects[i].Res.Instantiate(transform.Pos);
this.Scene.AddObject(effectObj);
}
}
// Play explosion sound
if (blueprint.ExplosionSound != null)
{
SoundInstance inst = DualityApp.Sound.PlaySound3D(blueprint.ExplosionSound, new Vector3(pos));
inst.Pitch = MathF.Rnd.NextFloat(0.8f, 1.25f);
}
}
void ICmpUpdatable.OnUpdate()
{
EnemyBlueprint blueprint = this.blueprint.Res;
Transform transform = this.GameObj.Transform;
RigidBody body = this.GameObj.GetComponent <RigidBody>();
Ship ship = this.GameObj.GetComponent <Ship>();
// Calculate distress caused by going in a different direction than desired
float moveDistress = 0.0f;
if (body.LinearVelocity.Length > 1.0f)
{
Vector2 actualVelocityDir = body.LinearVelocity.Normalized;
Vector2 desiredVelocityDir = ship.TargetThrust;
float desiredDirectionFactor = Vector2.Dot(actualVelocityDir, desiredVelocityDir);
moveDistress = MathF.Clamp(1.0f - desiredDirectionFactor, 0.0f, 1.0f) * MathF.Clamp(body.LinearVelocity.Length - 0.5f, 0.0f, 1.0f);
}
// Do AI state handling stuff
float moveTowardsEnemyRatio = 0.0f;
switch (this.state)
{
case MindState.Asleep:
{
// Wake up, if there is a player near
float nearestDist;
GameObject nearestObj = this.GetNearestPlayerObj(out nearestDist);
if (nearestObj != null && nearestDist <= WakeupDist && this.HasLineOfSight(nearestObj, true))
{
this.Awake();
}
// Don't move actively
ship.TargetThrust = Vector2.Zero;
ship.TargetAngle = MathF.Rnd.NextFloat(-MathF.RadAngle30, MathF.RadAngle30);
ship.TargetAngleRatio = 0.0f;
break;
}
case MindState.FallingAsleep:
{
if (this.eyeOpenValue <= 0.0001f)
{
this.state = MindState.Asleep;
}
break;
}
case MindState.Awaking:
{
if (this.eyeOpenValue >= 0.9999f)
{
this.state = MindState.Idle;
}
break;
}
case MindState.Idle:
{
// Follow, if there is a player near
float nearestDist;
GameObject nearestObj = this.GetNearestPlayerObj(out nearestDist);
if (nearestObj != null && this.HasLineOfSight(nearestObj, false))
{
if (this.behavior.HasFlag(BehaviorFlags.Chase))
{
Transform nearestObjTransform = nearestObj.Transform;
Vector2 targetDiff = nearestObjTransform.Pos.Xy - transform.Pos.Xy;
ship.TargetThrust = targetDiff / MathF.Max(targetDiff.Length, 25.0f);
moveTowardsEnemyRatio = ship.TargetThrust.Length;
}
else
{
ship.TargetThrust = Vector2.Zero;
}
ship.TargetAngle += 0.001f * Time.TimeMult;
ship.TargetAngleRatio = 0.1f;
this.idleTimer = MathF.Rnd.NextFloat(0.0f, SleepTime * 0.25f);
if (nearestDist <= SpikeAttackMoveDist)
{
moveDistress = 0.0f;
if (!this.spikesActive)
{
this.ActivateSpikes();
}
}
else if (ship.TargetThrust.Length > 0.1f)
{
if (this.spikesActive)
{
this.DeactivateSpikes();
}
}
}
// Try to stay in place otherwise
else
{
ship.TargetThrust = -body.LinearVelocity / MathF.Max(body.LinearVelocity.Length, ship.Blueprint.Res.MaxSpeed);
ship.TargetAngleRatio = 0.1f;
this.idleTimer += Time.MillisecondsPerFrame * Time.TimeMult;
if (this.spikesActive)
{
this.DeactivateSpikes();
}
}
// Blink occasionally
this.blinkTimer -= Time.MillisecondsPerFrame * Time.TimeMult;
if (this.blinkTimer <= 0.0f)
{
this.RandomizeBlinkTimer();
this.BlinkEye();
}
// Go to sleep if nothing happens.
if (this.idleTimer > SleepTime)
{
this.Sleep();
}
break;
}
}
// Udpate the eyes state and visual appearance
{
float actualTarget = MathF.Clamp(this.eyeOpenTarget - moveDistress * 0.35f, 0.0f, 1.0f);
float eyeDiff = MathF.Abs(actualTarget - this.eyeOpenValue);
float eyeChange = MathF.Sign(actualTarget - this.eyeOpenValue) * MathF.Min(this.eyeSpeed, eyeDiff);
this.eyeOpenValue = MathF.Clamp(this.eyeOpenValue + eyeChange * Time.TimeMult, 0.0f, 1.0f);
if (this.eyeBlinking && this.eyeOpenValue <= this.eyeOpenTarget + 0.0001f)
{
this.eyeOpenTarget = 1.0f;
}
if (this.eye != null)
{
this.eye.AnimTime = this.eyeOpenValue;
}
}
// Update the spikes state and visual appearance
for (int i = 0; i < this.spikeState.Length; i++)
{
float actualTarget = MathF.Clamp(this.spikeState[i].OpenTarget - moveDistress, 0.0f, 1.0f);
if (actualTarget > this.spikeState[i].OpenValue)
{
Vector2 spikeDir;
switch (i)
{
default:
case 0: spikeDir = new Vector2(1, -1); break;
case 1: spikeDir = new Vector2(1, 1); break;
case 2: spikeDir = new Vector2(-1, 1); break;
case 3: spikeDir = new Vector2(-1, -1); break;
}
Vector2 spikeBeginWorld = transform.GetWorldPoint(spikeDir * 4);
Vector2 spikeEndWorld = transform.GetWorldPoint(spikeDir * 11);
bool hitAnything = false;
this.Scene.Physics.RayCast(spikeBeginWorld, spikeEndWorld, data =>
{
if (data.Shape.IsSensor)
{
return(-1);
}
if (data.Body == body)
{
return(-1);
}
Ship otherShip = data.GameObj.GetComponent <Ship>();
if (otherShip != null && otherShip.Owner != null)
{
return(-1);
}
hitAnything = true;
return(0);
});
if (hitAnything)
{
actualTarget = 0.0f;
}
}
float spikeMoveDir = MathF.Sign(actualTarget - this.spikeState[i].OpenValue);
this.spikeState[i].OpenValue = MathF.Clamp(this.spikeState[i].OpenValue + spikeMoveDir * this.spikeState[i].Speed * Time.TimeMult, 0.0f, 1.0f);
if (this.spikeState[i].Blinking && this.spikeState[i].OpenValue <= this.spikeState[i].OpenTarget + 0.0001f)
{
this.spikeState[i].OpenTarget = 1.0f;
this.spikeState[i].Speed = Time.SecondsPerFrame / MathF.Rnd.NextFloat(0.25f, 1.0f);
}
// If we're extending a spike where the sensor has already registered a contact, explode
if (this.spikeState[i].OpenValue > 0.75f && this.spikeState[i].ContactCount > 0)
{
this.FireExplosives();
}
}
if (this.spikes != null)
{
for (int i = 0; i < this.spikes.Length; i++)
{
if (this.spikes[i] == null)
{
continue;
}
Rect spikeRect = this.spikes[i].Rect;
spikeRect.Y = MathF.Lerp(3.5f, -4.5f, this.spikeState[i].OpenValue);
this.spikes[i].Rect = spikeRect;
}
}
// Make a sound while moving
if (blueprint.MoveSound != null)
{
// Determine the target volume
float targetVolume = MathF.Clamp(moveTowardsEnemyRatio, 0.0f, 1.0f);
// Clean up disposed loop
if (this.moveSoundLoop != null && this.moveSoundLoop.Disposed)
{
this.moveSoundLoop = null;
}
// Start the loop when requested
if (targetVolume > 0.0f && this.moveSoundLoop == null)
{
this.moveSoundLoop = DualityApp.Sound.PlaySound3D(blueprint.MoveSound, this.GameObj, true);
this.moveSoundLoop.Looped = true;
}
// Configure existing loop and dispose it when no longer needed
if (this.moveSoundLoop != null)
{
this.moveSoundLoop.Volume += (targetVolume - this.moveSoundLoop.Volume) * 0.05f * Time.TimeMult;
if (this.moveSoundLoop.Volume <= 0.05f)
{
this.moveSoundLoop.FadeOut(0.1f);
this.moveSoundLoop = null;
}
}
}
// Make a danger sound while moving with spikes out
if (blueprint.AttackSound != null)
{
// Determine the target volume
float targetVolume = this.spikesActive ? MathF.Clamp(moveTowardsEnemyRatio, 0.25f, 1.0f) : 0.0f;
// Clean up disposed loop
if (this.dangerSoundLoop != null && this.dangerSoundLoop.Disposed)
{
this.dangerSoundLoop = null;
}
// Start the loop when requested
if (targetVolume > 0.0f && this.dangerSoundLoop == null)
{
this.dangerSoundLoop = DualityApp.Sound.PlaySound3D(blueprint.AttackSound, this.GameObj, true);
this.dangerSoundLoop.Looped = true;
}
// Configure existing loop and dispose it when no longer needed
if (this.dangerSoundLoop != null)
{
this.dangerSoundLoop.Volume += (targetVolume - this.dangerSoundLoop.Volume) * 0.1f * Time.TimeMult;
if (this.dangerSoundLoop.Volume <= 0.05f)
{
this.dangerSoundLoop.FadeOut(0.1f);
this.dangerSoundLoop = null;
}
}
}
}