/// <summary>
/// Copy Constructor
/// </summary>
/// <param name="source"><see cref="AtmosphereOptions"/> to copy</param>
public AtmosphereOptions(AtmosphereOptions source)
{
this.Time = source.Time;
this.EastPosition = source.EastPosition;
this.InnerRadius = source.InnerRadius;
this.OuterRadius = source.OuterRadius;
this.HeightPosition = source.HeightPosition;
this.RayleighMultiplier = source.RayleighMultiplier;
this.MieMultiplier = source.MieMultiplier;
this.SunIntensity = source.SunIntensity;
this.WaveLength = source.WaveLength;
this.G = source.G;
this.Exposure = source.Exposure;
this.NumberOfSamples = source.NumberOfSamples;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="skyX"> parent skyX reference</param>
public AtmosphereManager(SkyX skyX)
{
this.SkyX = skyX;
_options = new AtmosphereOptions();
}
/// <summary>
/// Update atmoshpere
/// </summary>
/// <param name="options">Update only the differences between actual parameters and new ones.</param>
internal void Update(AtmosphereOptions options)
{
Update(options, false);
}
/// <summary>
/// Update atmoshpere
/// </summary>
/// <param name="options">Update only the differences between actual parameters and new ones.</param>
/// <param name="forceUpdateToAll">Forces to upload all current parameters to skyx material.</param>
public void Update(AtmosphereOptions newOptions, bool forceUpdateToAll)
{
GpuManager mGpuManager = this.SkyX.GpuManager;
if (newOptions.Time != _options.Time ||
newOptions.EastPosition != _options.EastPosition ||
forceUpdateToAll)
{
_options.Time = newOptions.Time;
_options.EastPosition = newOptions.EastPosition;
if (SkyX.IsStarFieldEnabled)
{
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Fragment, "uTime", SkyX.TimeOffset * 0.05f, false);
}
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uLightDir", -this.SunDirection);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Fragment, "uLightDir", -this.SunDirection, false);
this.SkyX.MoonManager.Update();
}
if (newOptions.InnerRadius != this.Options.InnerRadius ||
newOptions.OuterRadius != this.Options.OuterRadius ||
forceUpdateToAll)
{
_options.InnerRadius = newOptions.InnerRadius;
_options.OuterRadius = newOptions.OuterRadius;
float scale = 1.0f / (_options.OuterRadius - _options.InnerRadius);
float scaleDepth = (_options.OuterRadius - _options.InnerRadius) / 2.0f;
float scaleOverScaleDepth = scale / scaleDepth;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uInnerRadius", _options.InnerRadius);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uCameraPos", new Vector3(0, _options.InnerRadius + (_options.OuterRadius - _options.InnerRadius) * _options.HeightPosition, 0));
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uScale", scale);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uScaleDepth", scaleDepth);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uScaleOverScaleDepth", scaleOverScaleDepth);
}
if (newOptions.HeightPosition != this.Options.HeightPosition ||
forceUpdateToAll)
{
_options.HeightPosition = newOptions.HeightPosition;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uCameraPos", new Vector3(0, _options.InnerRadius + (_options.OuterRadius - _options.InnerRadius) * _options.HeightPosition, 0));
}
if (newOptions.RayleighMultiplier != this.Options.RayleighMultiplier ||
newOptions.SunIntensity != this.Options.SunIntensity ||
forceUpdateToAll)
{
_options.RayleighMultiplier = newOptions.RayleighMultiplier;
float Kr4PI = _options.RayleighMultiplier * 4.0f * Math.Utility.PI;
float KrESun = _options.RayleighMultiplier * _options.SunIntensity;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uKr4PI", Kr4PI);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uKrESun", KrESun);
}
if (newOptions.MieMultiplier != this.Options.MieMultiplier ||
newOptions.SunIntensity != this.Options.SunIntensity ||
forceUpdateToAll)
{
_options.MieMultiplier = newOptions.MieMultiplier;
float Km4PI = _options.MieMultiplier * 4.0f * Math.Utility.PI;
float KmESun = _options.MieMultiplier * _options.SunIntensity;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uKm4PI", Km4PI);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uKmESun", KmESun, false);
}
if (newOptions.NumberOfSamples != this.Options.NumberOfSamples ||
forceUpdateToAll)
{
_options.NumberOfSamples = newOptions.NumberOfSamples;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uNumberOfSamples", _options.NumberOfSamples);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uSamples", (float)_options.NumberOfSamples);
}
if (newOptions.WaveLength != this.Options.WaveLength ||
forceUpdateToAll)
{
_options.WaveLength = newOptions.WaveLength;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uInvWaveLength",
new Vector3(1.0f / Math.Utility.Pow(_options.WaveLength.x, 4.0f),
1.0f / Math.Utility.Pow(_options.WaveLength.y, 4.0f),
1.0f / Math.Utility.Pow(_options.WaveLength.z, 4.0f)));
}
if (newOptions.G != this.Options.G ||
forceUpdateToAll)
{
_options.G = newOptions.G;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Fragment, "uG", _options.G, false);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Fragment, "uG2", _options.G * _options.G, false);
}
if ((newOptions.Exposure != this.Options.Exposure ||
forceUpdateToAll) &&
(this.SkyX.LightingMode == LightingMode.Ldr))
{
_options.Exposure = newOptions.Exposure;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Fragment, "uExposure", _options.Exposure);
}
this.SkyX.CloudsManager.UpdateInternal();
}
/// <summary>
/// Update atmoshpere
/// </summary>
/// <param name="options">Update only the differences between actual parameters and new ones.</param>
/// <param name="forceUpdateToAll">Forces to upload all current parameters to skyx material.</param>
public void Update(AtmosphereOptions newOptions, bool forceUpdateToAll)
{
GpuManager mGpuManager = this.SkyX.GpuManager;
if (newOptions.Time != _options.Time ||
newOptions.EastPosition != _options.EastPosition ||
forceUpdateToAll)
{
_options.Time = newOptions.Time;
_options.EastPosition = newOptions.EastPosition;
if (SkyX.IsStarFieldEnabled)
{
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Fragment, "uTime", SkyX.TimeOffset * 0.05f, false);
}
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uLightDir", -this.SunDirection);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Fragment, "uLightDir", -this.SunDirection, false);
this.SkyX.MoonManager.Update();
}
if (newOptions.InnerRadius != this.Options.InnerRadius ||
newOptions.OuterRadius != this.Options.OuterRadius ||
forceUpdateToAll)
{
_options.InnerRadius = newOptions.InnerRadius;
_options.OuterRadius = newOptions.OuterRadius;
float scale = 1.0f / (_options.OuterRadius - _options.InnerRadius);
float scaleDepth = (_options.OuterRadius - _options.InnerRadius) / 2.0f;
float scaleOverScaleDepth = scale / scaleDepth;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uInnerRadius", _options.InnerRadius);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uCameraPos", new Vector3(0, _options.InnerRadius + (_options.OuterRadius - _options.InnerRadius) * _options.HeightPosition, 0));
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uScale", scale);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uScaleDepth", scaleDepth);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uScaleOverScaleDepth", scaleOverScaleDepth);
}
if (newOptions.HeightPosition != this.Options.HeightPosition ||
forceUpdateToAll)
{
_options.HeightPosition = newOptions.HeightPosition;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uCameraPos", new Vector3(0, _options.InnerRadius + (_options.OuterRadius - _options.InnerRadius) * _options.HeightPosition, 0));
}
if (newOptions.RayleighMultiplier != this.Options.RayleighMultiplier ||
newOptions.SunIntensity != this.Options.SunIntensity ||
forceUpdateToAll)
{
_options.RayleighMultiplier = newOptions.RayleighMultiplier;
float Kr4PI = _options.RayleighMultiplier * 4.0f * Math.Utility.PI;
float KrESun = _options.RayleighMultiplier * _options.SunIntensity;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uKr4PI", Kr4PI);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uKrESun", KrESun);
}
if (newOptions.MieMultiplier != this.Options.MieMultiplier ||
newOptions.SunIntensity != this.Options.SunIntensity ||
forceUpdateToAll)
{
_options.MieMultiplier = newOptions.MieMultiplier;
float Km4PI = _options.MieMultiplier * 4.0f * Math.Utility.PI;
float KmESun = _options.MieMultiplier * _options.SunIntensity;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uKm4PI", Km4PI);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uKmESun", KmESun, false);
}
if (newOptions.NumberOfSamples != this.Options.NumberOfSamples ||
forceUpdateToAll)
{
_options.NumberOfSamples = newOptions.NumberOfSamples;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uNumberOfSamples", _options.NumberOfSamples);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uSamples", (float)_options.NumberOfSamples);
}
if (newOptions.WaveLength != this.Options.WaveLength ||
forceUpdateToAll)
{
_options.WaveLength = newOptions.WaveLength;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Vertex, "uInvWaveLength",
new Vector3(1.0f / Math.Utility.Pow(_options.WaveLength.x, 4.0f),
1.0f / Math.Utility.Pow(_options.WaveLength.y, 4.0f),
1.0f / Math.Utility.Pow(_options.WaveLength.z, 4.0f)));
}
if (newOptions.G != this.Options.G ||
forceUpdateToAll)
{
_options.G = newOptions.G;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Fragment, "uG", _options.G, false);
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Fragment, "uG2", _options.G * _options.G, false);
}
if ((newOptions.Exposure != this.Options.Exposure ||
forceUpdateToAll) &&
(this.SkyX.LightingMode == LightingMode.Ldr))
{
_options.Exposure = newOptions.Exposure;
mGpuManager.SetGpuProgramParameter(GpuManager.GpuProgram.Fragment, "uExposure", _options.Exposure);
}
this.SkyX.CloudsManager.UpdateInternal();
}
/// <summary>
/// Update atmoshpere
/// </summary>
/// <param name="options">Update only the differences between actual parameters and new ones.</param>
internal void Update(AtmosphereOptions options)
{
Update(options, false);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="skyX"> parent skyX reference</param>
public AtmosphereManager(SkyX skyX)
{
this.SkyX = skyX;
_options = new AtmosphereOptions();
}
/// <summary>
/// Copy Constructor
/// </summary>
/// <param name="source"><see cref="AtmosphereOptions"/> to copy</param>
public AtmosphereOptions(AtmosphereOptions source)
{
this.Time = source.Time;
this.EastPosition = source.EastPosition;
this.InnerRadius = source.InnerRadius;
this.OuterRadius = source.OuterRadius;
this.HeightPosition = source.HeightPosition;
this.RayleighMultiplier = source.RayleighMultiplier;
this.MieMultiplier = source.MieMultiplier;
this.SunIntensity = source.SunIntensity;
this.WaveLength = source.WaveLength;
this.G = source.G;
this.Exposure = source.Exposure;
this.NumberOfSamples = source.NumberOfSamples;
}
