internal void UpdateEntity()
{
int index = (int)activeMaterial["MaterialDescriptionIndex"];
if (index >= 0)
{
var engine = (PTEngine) ComponentPipeline.Instance.RenderingEngine;
var oldMd = engine.Descriptions[index];
var md = new MaterialDescription
{
alpha_tex = oldMd.alpha_tex,
bump_tex = oldMd.bump_tex,
diffuse = oldMd.diffuse,
emission = oldMd.emission,
diffuse_tex = oldMd.diffuse_tex,
exponent = MaterialModel.Exponent ?? oldMd.exponent,
gloss = oldMd.gloss,
id = oldMd.id,
index_of_refraction = this.MaterialModel.IndexOfRefraction??oldMd.index_of_refraction,
reflectivity = MaterialModel.Reflectivity??oldMd.reflectivity,
roughness = MaterialModel.Roughness??oldMd.roughness,
specular = oldMd.specular,
use_alpha = oldMd.use_alpha,
use_bump = oldMd.use_bump,
use_diffuse = oldMd.use_diffuse
};
engine.Descriptions[index] = md;
engine.UpdateDescriptions();
}
}
private void BuildMaterials(SceneMaterial[] sceneMaterials, SceneResourceReference[] sceneResources)
{
foreach (var sceneMaterial in sceneMaterials)
{
var material = new Material(Session.OptixContext);
if (this.Materials == null)
{
this.Materials = new Dictionary<string, Material>(StringComparer.InvariantCultureIgnoreCase);
}
this.Materials.Add(sceneMaterial.Name, material);
sceneMaterial.ResolveReferences();
if (OnMaterialScriptsResolve != null)
{
var args = new MaterialResolveArgs { MaterialName = sceneMaterial.Name, IsVolume = MaterialManager.IsVolume(sceneMaterial.Name) };
var scripts = OnMaterialScriptsResolve(args).ToArray();
for (int n = 0; n < RayTypeCount; n++)
{
material.Programs[n] = new SurfaceProgram(Session.OptixContext, n == 0 ? RayHitType.Closest : RayHitType.Any, scripts[n].PtxPath, scripts[n].Method);
//material["diffuse_color"].SetFloat3((Vector3)sceneMaterial["diffuse_color"]);
//material["glossy_color"].SetFloat3((Vector3)sceneMaterial["gloss_color"]);
//material["specular_color"].SetFloat3((Vector3)sceneMaterial["specular_color"]);
//material["index_of_refraction"].Set(1.5f);
//material["phong_exp"].Set((float)sceneMaterial["exponent"]);
//(Vector3)sceneMaterial["emission_color"]
string diffuse_map = sceneMaterial.Get<string>("!diffuse_map", null);
string alpha_map = sceneMaterial.Get<string>("!alpha_map", null);
string bump_map = sceneMaterial.Get<string>("!bump_map", null);
var samplers = LoadTextures(diffuse_map, bump_map, alpha_map, material);
var materialDescription = new MaterialDescription()
{
diffuse = (Vector3)sceneMaterial["diffuse_color"],
gloss = (Vector3)sceneMaterial["gloss_color"],
specular = (Vector3)sceneMaterial["specular_color"],
index_of_refraction = sceneMaterial.Get("index_of_refraction", 1.5f),
roughness = sceneMaterial.Get("roughness", 1.0f),
reflectivity = sceneMaterial.Get("reflectivity", 0.75f),
exponent = (float)sceneMaterial["exponent"],
emission = (Vector3)sceneMaterial["emission_color"]
};
if (samplers[0] > 0)
{
materialDescription.diffuse_tex = samplers[0];
materialDescription.use_diffuse = 1;
}
if (samplers[1] > 0)
{
materialDescription.bump_tex = samplers[1];
materialDescription.use_bump = 1;
}
if (samplers[2] > 0)
{
materialDescription.alpha_tex = samplers[2];
materialDescription.use_alpha = 1;
}
if (this.MaterialDescriptions == null)
{
this.MaterialDescriptions = new List<MaterialDescription>();
}
this.MaterialDescriptions.Add(materialDescription);
material["material_description_id"].Set(this.MaterialDescriptions.IndexOf(materialDescription));
sceneMaterial["MaterialDescriptionIndex"] =
this.MaterialDescriptions.IndexOf(materialDescription);
if (args.IsVolume)
{
material["use_density_map"].Set(1);
if (densityMap == null)
{
uint w = 126, h = 126, d = 126;
byte[] voxelData = new byte[w * h * d];
//Random rnd = new Random();
//for (int i = 0; i < w; i++)
// for (int j = 0; j < h; j++)
// for (int k = 0; k < d; k++)
// {
// voxelData[i + w * (j + k * d)] = (byte)(rnd.Next(255 - i));
// }
var voxData = VolumeDataManager.OpenSlab(@"C:\Users\aircraft\Downloads\MagicaVoxel-0.97-win-mac\export\export\maze.slab.vox");
//VolumeDataManager.OpenXRaw(@"C:\Users\aircraft\Downloads\MagicaVoxel-0.97-win-mac\export\export\monu1.xraw");
w = (uint)voxData.Width;
h = (uint)voxData.Height;
d = (uint)voxData.Depth;
voxelData = voxData.Data;
var voxDataBuffer = new Buffer(ComponentPipeline.Instance.Session.OptixContext, new BufferDesc()
{
Width = w,
Depth = d,
Height = h,
Format = Format.Byte,
Type = BufferType.Input
});
voxDataBuffer.SetData(voxelData);
densityMap = new TextureSampler(ComponentPipeline.Instance.Session.OptixContext, TextureSamplerDesc.Default);
densityMap.SetBuffer(voxDataBuffer, 0U);
}
material["density_map"].Set(densityMap.GetId());
}
}
}
else
{
throw new ApplicationException("Material resolve event is not initialized");
}
//Evaluate programs count - engine dependent
//Set programs - dependent on prev. step
//END TODO
sceneMaterial.InitializeOptixEntity(material, sceneMaterial.Name + " : " + ((BrdfTypes)sceneMaterial["brdf_id"]));
}
}