public void SetMat(VSceneEntity e, VMaterial m)
{
foreach (var mm in e.Meshes)
{
mm.Mat = m;
}
foreach (var n in e.Sub)
{
SetMat(n as VSceneEntity, m);
}
}
public override void InitState()
{
VAssImpImp.IPath = "c:/med/";
ER = new VEnvRenderer(512, 512);
PR = new VPostProcessRenderer(512, 512);
// PR.Add(new VPPBlur());
sg = new VSceneGraph();
PR.Scene = sg;
ER.Scene = sg;
e1 = VImport.ImportNode("c:/Media/dwarf2.b3d"); //file of 3d model to load.
e1.LocalScale = new Vector3(1, 1, 1);
var m1 = new VMaterial();
m1.TCol = new VTex2D("c:/Media/tex1_c.png", LoadMethod.Single); // texture to load
m1.TEnv = VTextureUtil.LoadCubeMap("c:/Media/cm1.png.cube"); // cubemap to load. use cubeconvert to convert.
//m2.TEnv = ER.FB.Cube;
var ee = e1 as VSceneEntity;
//var ee2 = e2 as VSceneEntity; //building project atm.
SetMat(ee, m1);
// SetMat(ee2, m2);
sg.Add(e1);
// sg.Add(e2);
c1 = new VCam();
sg.Add(c1);
l1 = new VLight();
l1.Pos(new Vector3(0, 40, 0), Space.Local);
c1.Pos(new Vector3(0, 0, 300), Space.Local);
c1.LookAt(Vector3.Zero, new Vector3(0, 1, 0));
sg.Add(l1);
//e1.Pos(new Vector3(0, -30, 0), Space.Local);
// e2.Pos(new Vector3(0, 20, 0), Space.Local);
}
private Material GenerateGLTFMaterialFromRenderMaterial(VMaterial renderMaterial, ModelRoot model, string materialName)
{
var material = model
.CreateMaterial(materialName)
.WithDefault();
renderMaterial.IntParams.TryGetValue("F_TRANSLUCENT", out var isTranslucent);
material.Alpha = isTranslucent > 0 ? AlphaMode.BLEND : AlphaMode.OPAQUE;
float metalValue = 0;
foreach (var floatParam in renderMaterial.FloatParams)
{
if (floatParam.Key == "g_flMetalness")
{
metalValue = floatParam.Value;
}
}
// assume non-metallic unless prompted
material.WithPBRMetallicRoughness(Vector4.One, null, metallicFactor: metalValue);
foreach (var renderTexture in renderMaterial.TextureParams)
{
var texturePath = renderTexture.Value;
var fileName = Path.GetFileNameWithoutExtension(texturePath);
ProgressDialog.SetProgress($"Exporting texture: {texturePath}");
var textureResource = GuiContext.LoadFileByAnyMeansNecessary(texturePath + "_c");
if (textureResource == null)
{
continue;
}
var bitmap = ((ValveResourceFormat.ResourceTypes.Texture)textureResource.DataBlock).GenerateBitmap();
if (renderTexture.Key == "g_tColor" && material.Alpha == AlphaMode.OPAQUE)
{
// expensive transparency workaround for color maps
for (int row = 0; row < bitmap.Width; row++)
{
for (int col = 0; col < bitmap.Height; col++)
{
var pixelAt = bitmap.GetPixel(row, col);
bitmap.SetPixel(row, col, new SKColor(pixelAt.Red, pixelAt.Green, pixelAt.Blue, 255));
}
}
}
var textureImage = SKImage.FromBitmap(bitmap);
using var data = textureImage.Encode(SKEncodedImageFormat.Png, 100);
var image = model.UseImageWithContent(data.ToArray());
// TODO find a way to change the image's URI to be the image name, right now it turns into (model)_0, (model)_1....
image.Name = fileName + $"_{model.LogicalImages.Count - 1}";
var sampler = model.UseTextureSampler(TextureWrapMode.REPEAT, TextureWrapMode.REPEAT, TextureMipMapFilter.NEAREST, TextureInterpolationFilter.DEFAULT);
sampler.Name = fileName;
var tex = model.UseTexture(image);
tex.Name = fileName + $"_{model.LogicalTextures.Count - 1}";
tex.Sampler = sampler;
switch (renderTexture.Key)
{
case "g_tColor":
material.FindChannel("BaseColor")?.SetTexture(0, tex);
var indexTexture = new JsonDictionary()
{
["index"] = image.LogicalIndex
};
var dict = material.TryUseExtrasAsDictionary(true);
dict["baseColorTexture"] = indexTexture;
break;
case "g_tNormal":
material.FindChannel("Normal")?.SetTexture(0, tex);
break;
case "g_tAmbientOcclusion":
material.FindChannel("Occlusion")?.SetTexture(0, tex);
break;
case "g_tEmissive":
material.FindChannel("Emissive")?.SetTexture(0, tex);
break;
case "g_tShadowFalloff":
// example: tongue_gman, materials/default/default_skin_shadowwarp_tga_f2855b6e.vtex
case "g_tCombinedMasks":
// example: models/characters/gman/materials/gman_head_mouth_mask_tga_bb35dc38.vtex
case "g_tDiffuseFalloff":
// example: materials/default/default_skin_diffusewarp_tga_e58a9ed.vtex
case "g_tIris":
// example:
case "g_tIrisMask":
// example: models/characters/gman/materials/gman_eye_iris_mask_tga_a5bb4a1e.vtex
case "g_tTintColor":
// example: models/characters/lazlo/eyemeniscus_vmat_g_ttintcolor_a00ef19e.vtex
case "g_tAnisoGloss":
// example: gordon_beard, models/characters/gordon/materials/gordon_hair_normal_tga_272a44e9.vtex
case "g_tBentNormal":
// example: gman_teeth, materials/default/default_skin_shadowwarp_tga_f2855b6e.vtex
case "g_tFresnelWarp":
// example: brewmaster_color, materials/default/default_fresnelwarprim_tga_d9279d65.vtex
case "g_tMasks1":
// example: brewmaster_color, materials/models/heroes/brewmaster/brewmaster_base_metalnessmask_psd_58eaa40f.vtex
case "g_tMasks2":
// example: brewmaster_color,materials/models/heroes/brewmaster/brewmaster_base_specmask_psd_63e9fb90.vtex
default:
Console.WriteLine($"Warning: Unsupported Texture Type {renderTexture.Key}");
break;
}
}
return(material);
}
