/// <summary>
///
/// </summary>
/// <param name="fxEvent"></param>
public FXInstance RunFX(FXEvent fxEvent, bool looped)
{
var fxAtomID = fxEvent.FXAtom;
if (fxAtomID < 0)
{
Log.Warning("RunFX: negative atom ID");
return(null);
}
var className = world.Atoms[fxAtomID];
if (className == null)
{
Log.Warning("RunFX: bad atom ID");
return(null);
}
var factory = world.Content.Load <FXFactory>(Path.Combine("fx", className), (FXFactory)null);
if (factory == null)
{
return(null);
}
var fxInstance = factory.CreateFXInstance(this, fxEvent, looped);
runningSFXes.Add(fxInstance);
return(fxInstance);
}
public override void Update(float dt, FXEvent fxEvent)
{
timer += dt;
while (timer > stageDesc.Period)
{
timer -= period;
if (!looped)
{
stopped = true;
Kill();
}
else
{
counter++;
UpdatePeriodIntensity();
}
}
UpdateLightStyle();
light.Position = FXFactory.GetPosition(stageDesc.OffsetDirection, stageDesc.OffsetFactor, fxEvent);
}
/// <summary>
///
/// </summary>
/// <param name="p"></param>
/// <param name="fxEvent"></param>
void Emit(ref Particle p, FXEvent fxEvent)
{
p.Effects = stage.Effect;
p.ImageIndex = spriteIndex;
p.Color0 = stage.Color0;
p.Color1 = stage.Color1;
p.LifeTime = stage.Lifetime.GetLifetime(rand);
p.FadeIn = stage.Timing.FadeIn;
p.FadeOut = stage.Timing.FadeOut;
float a, b;
stage.Shape.GetAngles(rand, p.LifeTime, out a, out b);
p.Rotation0 = a;
p.Rotation1 = b;
p.Size0 = stage.Shape.Size0;
p.Size1 = stage.Shape.Size1;
p.Position = stage.Position.GetPosition(fxEvent, rand);
p.Velocity = stage.Velocity.GetVelocity(fxEvent, rand);
var turbulence = rand.GaussRadialDistribution(0, stage.Acceleration.Turbulence);
p.Acceleration = stage.Acceleration.DragForce * p.Velocity + turbulence;
p.Damping = stage.Acceleration.Damping;
p.Gravity = stage.Acceleration.GravityFactor;
}
public Vector3 GetPosition(FXEvent fxEvent, Random rand)
{
var position = FXFactory.GetPosition(OffsetDirection, OffsetFactor, fxEvent);
var radial = FXFactory.GetRadialDistribution(rand, Distribution, MinSize, MaxSize);
return(position + radial);
}
public override void Update(float dt, FXEvent fxEvent)
{
if (emitter != null)
{
emitter.Position = fxEvent.Origin;
emitter.Velocity = fxEvent.Velocity;
}
}
public Vector3 GetVelocity(FXEvent fxEvent, Random rand)
{
var velocityValue = FXFactory.GetLinearDistribution(rand, LinearDistribution, LinearVelocityMin, LinearVelocityMax);
var velocity = FXFactory.GetDirection(Direction, velocityValue, fxEvent);
var addition = FXFactory.GetRadialDistribution(rand, RadialDistribution, RadialVelocityMin, RadialVelocityMax);
var advection = fxEvent.Velocity * Advection;
return(velocity + addition + advection);
}
public void AddSoundStage(FXSoundStage stageDesc, FXEvent fxEvent, bool looped)
{
if (!stageDesc.Enabled)
{
return;
}
stages.Add(new SoundStage(this, stageDesc, fxEvent, looped));
}
/// <summary>
///
/// </summary>
/// <param name="dt"></param>
public override void Update(float dt, FXEvent fxEvent)
{
var old_time = time;
var new_time = time + dt;
var fxOrigin = fxEvent.Origin;
if (!stopped)
{
for (int part = emitCount; true; part++)
{
float prt_time = GetParticleEmitTime(part);
float prt_dt = prt_time - old_time;
if (prt_time <= new_time)
{
float addTime = new_time - prt_time;
fxEvent.Origin = fxOrigin - fxEvent.Velocity * addTime;
var p = new Particle();
p.TimeLag = addTime;
p.ImageIndex = spriteIndex;
p.Position = fxEvent.Origin;
if (looped || emitCount < stage.Count)
{
Emit(ref p, fxEvent);
fxInstance.rw.ParticleSystem.InjectParticle(p);
}
else
{
stopped = true;
break;
}
emitCount++;
}
else
{
break;
}
}
//if ( !looped && ( emitCount >= stage.Count ) ) {
// stopped = true;
//}
time += dt;
}
fxEvent.Origin = fxOrigin;
}
public void AddLightStage(FXLightStage stageDesc, FXEvent fxEvent, bool looped)
{
if (!stageDesc.Enabled)
{
return;
}
var stage = new LightStage(this, stageDesc, fxEvent, looped);
stages.Add(stage);
}
/*-----------------------------------------------------------------------------------------
*
* Stage creation functions :
*
* -----------------------------------------------------------------------------------------*/
/// <summary>
///
/// </summary>
/// <param name="spriteName"></param>
/// <param name="delay"></param>
/// <param name="period"></param>
/// <param name="sleep"></param>
/// <param name="count"></param>
/// <param name="emit"></param>
public void AddParticleStage(FXParticleStage stageDesc, FXEvent fxEvent, bool looped)
{
if (!stageDesc.Enabled)
{
return;
}
if (stageDesc.Count == 0)
{
return;
}
var stage = new ParticleStage(this, stageDesc, fxEvent, looped);
stages.Add(stage);
}
/// <summary>
///
/// </summary>
/// <param name="sfxSystem"></param>
/// <param name="fxEvent"></param>
public FXInstance(FXPlayback sfxSystem, FXEvent fxEvent, FXFactory fxFactory, bool looped)
{
this.fxAtom = fxEvent.FXAtom;
this.fxPlayback = sfxSystem;
this.rw = sfxSystem.rw;
this.sw = sfxSystem.sw;
this.fxEvent = fxEvent;
AddParticleStage(fxFactory.ParticleStage1, fxEvent, looped);
AddParticleStage(fxFactory.ParticleStage2, fxEvent, looped);
AddParticleStage(fxFactory.ParticleStage3, fxEvent, looped);
AddParticleStage(fxFactory.ParticleStage4, fxEvent, looped);
AddLightStage(fxFactory.LightStage, fxEvent, looped);
AddSoundStage(fxFactory.SoundStage, fxEvent, looped);
}
/// <summary>
///
/// </summary>
/// <param name="instance"></param>
/// <param name="position"></param>
/// <param name="soundPath"></param>
public SoundStage(FXInstance instance, FXSoundStage stageDesc, FXEvent fxEvent, bool looped) : base(instance)
{
var sound = instance.fxPlayback.LoadSound(stageDesc.Sound);
if (sound == null)
{
return;
}
emitter = instance.sw.AllocEmitter();
emitter.Position = fxEvent.Origin;
emitter.DistanceScale = FXFactory.GetRadius(stageDesc.Attenuation);
emitter.DopplerScale = 1;
emitter.VolumeCurve = null;
emitter.LocalSound = false;
emitter.PlaySound(sound, looped ? PlayOptions.Looped : PlayOptions.None);
}
/// <summary>
///
/// </summary>
/// <param name="instance"></param>
/// <param name="position"></param>
/// <param name="color"></param>
/// <param name="radius"></param>
/// <param name="fadeInRate"></param>
/// <param name="fadeOutRate"></param>
public LightStage(FXInstance instance, FXLightStage stageDesc, FXEvent fxEvent, bool looped) : base(instance)
{
light = new OmniLight();
this.stageDesc = stageDesc;
light.Position = FXFactory.GetPosition(stageDesc.OffsetDirection, stageDesc.OffsetFactor, fxEvent);
light.RadiusInner = stageDesc.InnerRadius;
light.RadiusOuter = stageDesc.OuterRadius;
light.Intensity = stageDesc.Intensity;
this.period = stageDesc.Period;
this.looped = looped;
instance.rw.LightSet.OmniLights.Add(light);
UpdatePeriodIntensity();
UpdateLightStyle();
}
public static Vector3 GetDirection(FXDirection dir, float factor, FXEvent fxEvent)
{
var m = Matrix.RotationQuaternion(fxEvent.Rotation);
switch (dir)
{
case FXDirection.LocalUp: return(m.Up * factor);
case FXDirection.LocalDown: return(m.Down * factor);
case FXDirection.LocalLeft: return(m.Left * factor);
case FXDirection.LocalRight: return(m.Right * factor);
case FXDirection.LocalForward: return(m.Forward * factor);
case FXDirection.LocalBackward: return(m.Backward * factor);
default: return(Vector3.Zero);
}
}
/// <summary>
///
/// </summary>
/// <param name="fxEvent"></param>
/// <param name="spriteIndex"></param>
/// <param name="delay"></param>
/// <param name="period"></param>
/// <param name="sleep"></param>
/// <param name="count"></param>
/// <param name="emit"></param>
public ParticleStage(FXInstance instance, FXParticleStage stageDesc, FXEvent fxEvent, bool looped) : base(instance)
{
this.stage = stageDesc;
this.looped = looped;
this.spriteIndex = instance.fxPlayback.GetSpriteIndex(stageDesc.Sprite);
}
public FXInstance CreateFXInstance(FXPlayback fxPlayback, FXEvent fxEvent, bool looped)
{
return(new FXInstance(fxPlayback, fxEvent, this, looped));
}
/// <summary> /// Updates internal stage state. /// </summary> /// <param name="dt"></param> public abstract void Update(float dt, FXEvent fxEvent);