public void CreateTextures(AtmosphereParameters AP)
{
transmittanceT = RTExtensions.CreateRTexture(new Vector2(AtmosphereConstants.TRANSMITTANCE_W, AtmosphereConstants.TRANSMITTANCE_H), 0, Format);
irradianceT_Read = RTExtensions.CreateRTexture(new Vector2(AtmosphereConstants.SKY_W, AtmosphereConstants.SKY_H), 0, Format);
irradianceT_Write = RTExtensions.CreateRTexture(new Vector2(AtmosphereConstants.SKY_W, AtmosphereConstants.SKY_H), 0, Format);
inscatterT_Read = RTExtensions.CreateRTexture(new Vector2(AtmosphereConstants.RES_MU_S * AtmosphereConstants.RES_NU, AtmosphereConstants.RES_MU), 0, Format, FilterMode.Bilinear, TextureWrapMode.Clamp, AtmosphereConstants.RES_R);
inscatterT_Write = RTExtensions.CreateRTexture(new Vector2(AtmosphereConstants.RES_MU_S * AtmosphereConstants.RES_NU, AtmosphereConstants.RES_MU), 0, Format, FilterMode.Bilinear, TextureWrapMode.Clamp, AtmosphereConstants.RES_R);
deltaET = RTExtensions.CreateRTexture(new Vector2(AtmosphereConstants.SKY_W, AtmosphereConstants.SKY_H), 0, Format);
deltaSRT = RTExtensions.CreateRTexture(new Vector2(AtmosphereConstants.RES_MU_S * AtmosphereConstants.RES_NU, AtmosphereConstants.RES_MU), 0, Format, FilterMode.Bilinear, TextureWrapMode.Clamp, AtmosphereConstants.RES_R);
deltaSMT = RTExtensions.CreateRTexture(new Vector2(AtmosphereConstants.RES_MU_S * AtmosphereConstants.RES_NU, AtmosphereConstants.RES_MU), 0, Format, FilterMode.Bilinear, TextureWrapMode.Clamp, AtmosphereConstants.RES_R);
deltaJT = RTExtensions.CreateRTexture(new Vector2(AtmosphereConstants.RES_MU_S * AtmosphereConstants.RES_NU, AtmosphereConstants.RES_MU), 0, Format, FilterMode.Bilinear, TextureWrapMode.Clamp, AtmosphereConstants.RES_R);
}
protected override void InitNode()
{
ApplyPresset(AtmosphereParameters.Get(AtmosphereBase));
Bake();
InitMisc();
InitMaterials();
InitMesh();
InitUniforms(SkyMaterial);
InitUniforms(planetoid.MPB);
SetUniforms(SkyMaterial);
SetUniforms(planetoid.MPB);
}
private void OnAtmospherePresetChanged(Body body, Atmosphere atmosphere, AtmosphereBase atmosphereBase)
{
if (body == null)
{
Debug.Log("Atmosphere: OnAtmospherePresetChanged body is null!");
return;
}
if (atmosphere == null)
{
Debug.Log("Atmosphere: OnAtmospherePresetChanged atmosphere is null!");
return;
}
atmosphere.ApplyPresset(AtmosphereParameters.Get(atmosphereBase));
atmosphere.Bake();
}
private void OnAtmosphereBaked(Planetoid planetoid, Atmosphere atmosphere)
{
if (planetoid == null)
{
Debug.Log("Atmosphere: OnAtmosphereBaked planetoid is null!");
return;
}
if (atmosphere == null)
{
Debug.Log("Atmosphere: OnAtmosphereBaked atmosphere is null!");
return;
}
atmosphere.ApplyPresset(AtmosphereParameters.Get(atmosphere.AtmosphereBase));
atmosphere.Reanimate();
}
private void DoWork(AtmosphereParameters AP)
{
finished = false;
step = 0;
order = 2;
PreGo(AP);
while (!finished)
{
Calculate(AP);
}
if (ClearAfterBake)
{
CollectGarbage(false, true);
}
}
public AtmosphereParameters(AtmosphereParameters from)
{
this.MIE_G = from.MIE_G;
this.HR = from.HR;
this.HM = from.HM;
this.AVERAGE_GROUND_REFLECTANCE = from.AVERAGE_GROUND_REFLECTANCE;
this.BETA_R = from.BETA_R;
this.BETA_MSca = from.BETA_MSca;
this.BETA_MEx = from.BETA_MEx;
this.Rg = from.Rg;
this.Rt = from.Rt;
this.Rl = from.Rl;
this.bRg = from.bRg;
this.bRt = from.bRt;
this.bRl = from.bRl;
this.SCALE = from.SCALE;
}
private IEnumerator DoWorkCoroutine(AtmosphereParameters AP)
{
finished = false;
step = 0;
order = 2;
PreGo(AP);
while (!finished)
{
Calculate(AP);
for (int i = 0; i < 8; i++)
{
yield return(Yielders.EndOfFrame);
}
}
if (ClearAfterBake)
{
CollectGarbage(false, true);
}
}
public void PreBake(AtmosphereParameters AP)
{
PreGo(AP);
}
public void Calculate(AtmosphereParameters AP)
{
if (step == 0)
{
// computes transmittance texture T (line 1 in algorithm 4.1)
transmittance.SetTexture(0, "transmittanceWrite", transmittanceT);
transmittance.Dispatch(0, AtmosphereConstants.TRANSMITTANCE_W / NUM_THREADS, AtmosphereConstants.TRANSMITTANCE_H / NUM_THREADS, 1);
}
else if (step == 1)
{
// computes irradiance texture deltaE (line 2 in algorithm 4.1)
irradiance1.SetTexture(0, "transmittanceRead", transmittanceT);
irradiance1.SetTexture(0, "deltaEWrite", deltaET);
irradiance1.Dispatch(0, AtmosphereConstants.SKY_W / NUM_THREADS, AtmosphereConstants.SKY_H / NUM_THREADS, 1);
}
else if (step == 2)
{
// computes single scattering texture deltaS (line 3 in algorithm 4.1)
// Rayleigh and Mie separated in deltaSR + deltaSM
inscatter1.SetTexture(0, "transmittanceRead", transmittanceT);
inscatter1.SetTexture(0, "deltaSRWrite", deltaSRT);
inscatter1.SetTexture(0, "deltaSMWrite", deltaSMT);
//The inscatter calc's can be quite demanding for some cards so process
//the calc's in layers instead of the whole 3D data set.
for (int i = 0; i < AtmosphereConstants.RES_R; i++)
{
inscatter1.SetInt("layer", i);
inscatter1.Dispatch(0, (AtmosphereConstants.RES_MU_S * AtmosphereConstants.RES_NU) / NUM_THREADS, AtmosphereConstants.RES_MU / NUM_THREADS, 1);
}
}
else if (step == 3)
{
// copies deltaE into irradiance texture E (line 4 in algorithm 4.1)
copyIrradiance.SetFloat("k", 0.0f);
copyIrradiance.SetTexture(0, "deltaERead", deltaET);
copyIrradiance.SetTexture(0, "irradianceRead", irradianceT_Read);
copyIrradiance.SetTexture(0, "irradianceWrite", irradianceT_Write);
copyIrradiance.Dispatch(0, AtmosphereConstants.SKY_W / NUM_THREADS, AtmosphereConstants.SKY_H / NUM_THREADS, 1);
//Swap irradianceT_Read - irradianceT_Write
RTUtility.Swap(ref irradianceT_Read, ref irradianceT_Write);
}
else if (step == 4)
{
// copies deltaS into inscatter texture S (line 5 in algorithm 4.1)
copyInscatter1.SetTexture(0, "deltaSRRead", deltaSRT);
copyInscatter1.SetTexture(0, "deltaSMRead", deltaSMT);
copyInscatter1.SetTexture(0, "inscatterWrite", inscatterT_Write);
//The inscatter calc's can be quite demanding for some cards so process
//the calc's in layers instead of the whole 3D data set.
for (int i = 0; i < AtmosphereConstants.RES_R; i++)
{
copyInscatter1.SetInt("layer", i);
copyInscatter1.Dispatch(0, (AtmosphereConstants.RES_MU_S * AtmosphereConstants.RES_NU) / NUM_THREADS, AtmosphereConstants.RES_MU / NUM_THREADS, 1);
}
//Swap inscatterT_Write - inscatterT_Read
RTUtility.Swap(ref inscatterT_Read, ref inscatterT_Write); //!!!
}
else if (step == 5)
{
//Here Nvidia GTX 430 or lower driver will crash.
//If only ray1 or mie1 calculated - slow, but all is alright.
//But if both - driver crash.
//INSCATTER_SPHERICAL_INTEGRAL_SAMPLES = 8 - limit for GTX 430.
// computes deltaJ (line 7 in algorithm 4.1)
inscatterS.SetInt("first", (order == 2) ? 1 : 0);
inscatterS.SetTexture(0, "transmittanceRead", transmittanceT);
inscatterS.SetTexture(0, "deltaERead", deltaET);
inscatterS.SetTexture(0, "deltaSRRead", deltaSRT);
inscatterS.SetTexture(0, "deltaSMRead", deltaSMT);
inscatterS.SetTexture(0, "deltaJWrite", deltaJT);
//The inscatter calc's can be quite demanding for some cards so process
//the calc's in layers instead of the whole 3D data set.
for (int i = 0; i < AtmosphereConstants.RES_R; i++)
{
inscatterS.SetInt("layer", i);
inscatterS.Dispatch(0, (AtmosphereConstants.RES_MU_S * AtmosphereConstants.RES_NU) / NUM_THREADS, AtmosphereConstants.RES_MU / NUM_THREADS, 1);
}
}
else if (step == 6)
{
// computes deltaE (line 8 in algorithm 4.1)
irradianceN.SetInt("first", (order == 2) ? 1 : 0);
irradianceN.SetTexture(0, "deltaSRRead", deltaSRT);
irradianceN.SetTexture(0, "deltaSMRead", deltaSMT);
irradianceN.SetTexture(0, "deltaEWrite", deltaET);
irradianceN.Dispatch(0, AtmosphereConstants.SKY_W / NUM_THREADS, AtmosphereConstants.SKY_H / NUM_THREADS, 1);
}
else if (step == 7)
{
// computes deltaS (line 9 in algorithm 4.1)
inscatterN.SetTexture(0, "transmittanceRead", transmittanceT);
inscatterN.SetTexture(0, "deltaJRead", deltaJT);
inscatterN.SetTexture(0, "deltaSRWrite", deltaSRT);
//The inscatter calc's can be quite demanding for some cards so process
//the calc's in layers instead of the whole 3D data set.
for (int i = 0; i < AtmosphereConstants.RES_R; i++)
{
inscatterN.SetInt("layer", i);
inscatterN.Dispatch(0, (AtmosphereConstants.RES_MU_S * AtmosphereConstants.RES_NU) / NUM_THREADS, AtmosphereConstants.RES_MU / NUM_THREADS, 1);
}
}
else if (step == 8)
{
// adds deltaE into irradiance texture E (line 10 in algorithm 4.1)
copyIrradiance.SetFloat("k", 1.0f);
copyIrradiance.SetTexture(0, "deltaERead", deltaET);
copyIrradiance.SetTexture(0, "irradianceRead", irradianceT_Read);
copyIrradiance.SetTexture(0, "irradianceWrite", irradianceT_Write);
copyIrradiance.Dispatch(0, AtmosphereConstants.SKY_W / NUM_THREADS, AtmosphereConstants.SKY_H / NUM_THREADS, 1);
//Swap irradianceT_Read - irradianceT_Write
RTUtility.Swap(ref irradianceT_Read, ref irradianceT_Write);
}
else if (step == 9)
{
// adds deltaS into inscatter texture S (line 11 in algorithm 4.1)
copyInscatterN.SetTexture(0, "deltaSRead", deltaSRT);
copyInscatterN.SetTexture(0, "inscatterRead", inscatterT_Read);
copyInscatterN.SetTexture(0, "inscatterWrite", inscatterT_Write);
//The inscatter calc's can be quite demanding for some cards so process
//the calc's in layers instead of the whole 3D data set.
for (int i = 0; i < AtmosphereConstants.RES_R; i++)
{
copyInscatterN.SetInt("layer", i);
copyInscatterN.Dispatch(0, (AtmosphereConstants.RES_MU_S * AtmosphereConstants.RES_NU) / NUM_THREADS, AtmosphereConstants.RES_MU / NUM_THREADS, 1);
}
//Swap inscatterT_Read - inscatterT_Write
RTUtility.Swap(ref inscatterT_Read, ref inscatterT_Write);
if (order < 4)
{
step = 4;
order += 1;
}
}
else if (step == 10)
{
//placeholder
}
else if (step == 11)
{
finished = true;
}
step++;
}