protected void SetupSkyParametersSimple( NuajMaterial _Material, ICloudLayer[] _Layers, bool _bIsEnvironmentRendering )
{
// Build the GPU & CPU density textures if they do not already exist
ComputeDensityTexture();
_Material.SetTexture( "_TexDensity", m_DensityTexture );
_Material.SetVector( "_Sigma_Rayleigh", m_SigmaRayleigh );
_Material.SetFloat( "_Sigma_Mie", m_SigmaMie );
_Material.SetFloat( "_MiePhaseAnisotropy", Mathf.Clamp( m_ScatteringAnisotropy, -0.99f, +0.99f ) );
_Material.SetFloat( "_PlanetRadiusOffsetKm", m_PlanetRadiusOffsetKm );
// Prepare cloud Mie factors & cloud layers' textures
switch ( _Layers.Length )
{
case 0:
_Material.SetTexture( "_TexCloudLayer0", m_Owner.m_TextureEmptyCloud, true );
_Material.SetTexture( "_TexCloudLayer1", m_Owner.m_TextureEmptyCloud, true );
_Material.SetTexture( "_TexCloudLayer2", m_Owner.m_TextureEmptyCloud, true );
_Material.SetTexture( "_TexCloudLayer3", m_Owner.m_TextureEmptyCloud, true );
break;
case 1:
_Material.SetTexture( "_TexCloudLayer0", _bIsEnvironmentRendering ? _Layers[0].EnvironmentRenderTargetSky : _Layers[0].RenderTarget );
_Material.SetTexture( "_TexCloudLayer1", m_Owner.m_TextureEmptyCloud, true );
_Material.SetTexture( "_TexCloudLayer2", m_Owner.m_TextureEmptyCloud, true );
_Material.SetTexture( "_TexCloudLayer3", m_Owner.m_TextureEmptyCloud, true );
break;
case 2:
_Material.SetTexture( "_TexCloudLayer0", _bIsEnvironmentRendering ? _Layers[0].EnvironmentRenderTargetSky : _Layers[0].RenderTarget );
_Material.SetTexture( "_TexCloudLayer1", _bIsEnvironmentRendering ? _Layers[1].EnvironmentRenderTargetSky : _Layers[1].RenderTarget );
_Material.SetTexture( "_TexCloudLayer2", m_Owner.m_TextureEmptyCloud, true );
_Material.SetTexture( "_TexCloudLayer3", m_Owner.m_TextureEmptyCloud, true );
break;
case 3:
_Material.SetTexture( "_TexCloudLayer0", _bIsEnvironmentRendering ? _Layers[0].EnvironmentRenderTargetSky : _Layers[0].RenderTarget );
_Material.SetTexture( "_TexCloudLayer1", _bIsEnvironmentRendering ? _Layers[1].EnvironmentRenderTargetSky : _Layers[1].RenderTarget );
_Material.SetTexture( "_TexCloudLayer2", _bIsEnvironmentRendering ? _Layers[2].EnvironmentRenderTargetSky : _Layers[2].RenderTarget );
_Material.SetTexture( "_TexCloudLayer3", m_Owner.m_TextureEmptyCloud, true );
break;
case 4:
_Material.SetTexture( "_TexCloudLayer0", _bIsEnvironmentRendering ? _Layers[0].EnvironmentRenderTargetSky : _Layers[0].RenderTarget );
_Material.SetTexture( "_TexCloudLayer1", _bIsEnvironmentRendering ? _Layers[1].EnvironmentRenderTargetSky : _Layers[1].RenderTarget );
_Material.SetTexture( "_TexCloudLayer2", _bIsEnvironmentRendering ? _Layers[2].EnvironmentRenderTargetSky : _Layers[2].RenderTarget );
_Material.SetTexture( "_TexCloudLayer3", _bIsEnvironmentRendering ? _Layers[3].EnvironmentRenderTargetSky : _Layers[3].RenderTarget );
break;
}
}
/// <summary>
/// Assigns basic scattering coefficients to a material that would require to compute the optical depth of the atmosphere
/// </summary>
/// <param name="_Material"></param>
/// <param name="_bSetupDensityTexture"></param>
internal void SetupScatteringCoefficients( NuajMaterial _Material, bool _bSetupDensityTexture )
{
// Build the GPU & CPU density textures if they do not already exist
_Material.SetFloat( "_DensitySeaLevel_Rayleigh", m_DensityRayleigh );
_Material.SetVector( "_Sigma_Rayleigh", m_SigmaRayleigh );
_Material.SetFloat( "_DensitySeaLevel_Mie", m_DensityMie );
_Material.SetFloat( "_Sigma_Mie", m_SigmaMie );
_Material.SetFloat( "_MiePhaseAnisotropy", Mathf.Clamp( m_ScatteringAnisotropy, -0.99f, +0.99f ) );
ComputeDensityTexture();
if ( _bSetupDensityTexture )
_Material.SetTexture( "_TexDensity", m_DensityTexture );
}
/// <summary>
/// Setups the sky parameters for the sky material
/// </summary>
/// <param name="_Material">The material to setup</param>
/// <param name="_Layers">The array of cloud layers (from 0 to 4 elements)</param>
/// <param name="_ShadowMap">The shadow map</param>
/// <param name="_bIsEnvironmentRendering"></param>
protected void SetupSkyParameters( NuajMaterial _Material, ICloudLayer[] _Layers, Texture _ShadowMap, bool _bIsEnvironmentRendering )
{
// Build the GPU & CPU density textures if they do not already exist
ComputeDensityTexture();
_Material.SetTexture( "_TexDensity", m_DensityTexture );
_Material.SetTextureRAW( "_TexShadowMap", _ShadowMap );
_Material.SetFloat( "_DensitySeaLevel_Rayleigh", m_DensityRayleigh );
_Material.SetVector( "_Sigma_Rayleigh", m_SigmaRayleigh );
_Material.SetFloat( "_DensitySeaLevel_Mie", m_DensityMie );
_Material.SetFloat( "_Sigma_Mie", m_SigmaMie );
_Material.SetFloat( "_MiePhaseAnisotropy", Mathf.Clamp( m_ScatteringAnisotropy, -0.99f, +0.99f ) );
_Material.SetFloat( "_SkyStepsCount", m_SkyStepsCount );//+ (_Layers.Length == 0 ? m_UnderCloudsMinStepsCount : 0) ); // Use higher resolution if no cloud layers
_Material.SetFloat( "_UnderCloudsMinStepsCount", m_bGodRays ? m_UnderCloudsMinStepsCount : 0 );
_Material.SetFloat( "_bGodRays", m_bGodRays ? 1 : 0 );
_Material.SetFloat( "_PlanetRadiusOffsetKm", m_PlanetRadiusOffsetKm );
// Prepare cloud Mie factors & cloud layers' textures
switch ( _Layers.Length )
{
case 0:
_Material.SetTexture( "_TexCloudLayer0", m_Owner.m_TextureEmptyCloud, true );
_Material.SetTexture( "_TexCloudLayer1", m_Owner.m_TextureEmptyCloud, true );
_Material.SetTexture( "_TexCloudLayer2", m_Owner.m_TextureEmptyCloud, true );
_Material.SetTexture( "_TexCloudLayer3", m_Owner.m_TextureEmptyCloud, true );
break;
case 1:
_Material.SetTexture( "_TexCloudLayer0", _bIsEnvironmentRendering ? _Layers[0].EnvironmentRenderTargetSky : _Layers[0].RenderTarget );
_Material.SetTexture( "_TexCloudLayer1", m_Owner.m_TextureEmptyCloud, true );
_Material.SetTexture( "_TexCloudLayer2", m_Owner.m_TextureEmptyCloud, true );
_Material.SetTexture( "_TexCloudLayer3", m_Owner.m_TextureEmptyCloud, true );
break;
case 2:
_Material.SetTexture( "_TexCloudLayer0", _bIsEnvironmentRendering ? _Layers[0].EnvironmentRenderTargetSky : _Layers[0].RenderTarget );
_Material.SetTexture( "_TexCloudLayer1", _bIsEnvironmentRendering ? _Layers[1].EnvironmentRenderTargetSky : _Layers[1].RenderTarget );
_Material.SetTexture( "_TexCloudLayer2", m_Owner.m_TextureEmptyCloud, true );
_Material.SetTexture( "_TexCloudLayer3", m_Owner.m_TextureEmptyCloud, true );
break;
case 3:
_Material.SetTexture( "_TexCloudLayer0", _bIsEnvironmentRendering ? _Layers[0].EnvironmentRenderTargetSky : _Layers[0].RenderTarget );
_Material.SetTexture( "_TexCloudLayer1", _bIsEnvironmentRendering ? _Layers[1].EnvironmentRenderTargetSky : _Layers[1].RenderTarget );
_Material.SetTexture( "_TexCloudLayer2", _bIsEnvironmentRendering ? _Layers[2].EnvironmentRenderTargetSky : _Layers[2].RenderTarget );
_Material.SetTexture( "_TexCloudLayer3", m_Owner.m_TextureEmptyCloud, true );
break;
case 4:
_Material.SetTexture( "_TexCloudLayer0", _bIsEnvironmentRendering ? _Layers[0].EnvironmentRenderTargetSky : _Layers[0].RenderTarget );
_Material.SetTexture( "_TexCloudLayer1", _bIsEnvironmentRendering ? _Layers[1].EnvironmentRenderTargetSky : _Layers[1].RenderTarget );
_Material.SetTexture( "_TexCloudLayer2", _bIsEnvironmentRendering ? _Layers[2].EnvironmentRenderTargetSky : _Layers[2].RenderTarget );
_Material.SetTexture( "_TexCloudLayer3", _bIsEnvironmentRendering ? _Layers[3].EnvironmentRenderTargetSky : _Layers[3].RenderTarget );
break;
}
}