public void SetTexture(string texture, TextureType type, int id)
{
if (type == TextureType.Albedo)
{
TextureAlbedo = new GeoTexture()
{
Filename = texture, OpenGLID = id, Type = type, UVMapIndex = 0, UVTransform = new Vector2(TextureAlbedo.UVTransform.X == 0 ? 1 : TextureAlbedo.UVTransform.X, TextureAlbedo.UVTransform.Y == 0 ? 1 : TextureAlbedo.UVTransform.Y)
};
}
else if (type == TextureType.Emissive)
{
TextureEmissive = new GeoTexture()
{
Filename = texture, OpenGLID = id, Type = type, UVMapIndex = 0, UVTransform = new Vector2(1, 1)
};
}
else if (type == TextureType.Light)
{
TextureLight = new GeoTexture()
{
Filename = texture, OpenGLID = id, Type = type, UVMapIndex = 1, UVTransform = new Vector2(1, 1)
};
}
else if (type == TextureType.Metalness)
{
TextureMetalness = new GeoTexture()
{
Filename = texture, OpenGLID = id, Type = type, UVMapIndex = 0, UVTransform = new Vector2(1, 1)
};
}
else if (type == TextureType.Roughness)
{
TextureRoughness = new GeoTexture()
{
Filename = texture, OpenGLID = id, Type = type, UVMapIndex = 0, UVTransform = new Vector2(1, 1)
};
}
else if (type == TextureType.Normal)
{
TextureNormal = new GeoTexture()
{
Filename = texture, OpenGLID = id, Type = type, UVMapIndex = 0, UVTransform = new Vector2(1, 1)
};
}
else
{
throw new System.Exception("Unknown texture type for current material " + Name);
}
}
private static bool CheckIfOtherModelsShareTexture(string texture, string path, out GeoTexture sharedTex)
{
sharedTex = new GeoTexture();
foreach (string key in KWEngine.Models.Keys)
{
GeoModel m = KWEngine.Models[key];
if (m.Path == path)
{
foreach (string texKey in m.Textures.Keys)
{
if (texKey == texture)
{
sharedTex = m.Textures[texKey];
return(true);
}
}
}
}
return(false);
}
private void EditTextureObject(ref GeoTexture tex, int texId, TextureType type, string name)
{
if (type == TextureType.Diffuse)
{
tex.Filename = name;
tex.Type = GeoTexture.TexType.Diffuse;
tex.OpenGLID = texId;
}
else if (type == TextureType.Normal)
{
tex.Filename = name;
tex.Type = GeoTexture.TexType.Normal;
tex.OpenGLID = texId;
}
else
{
tex.Filename = name;
tex.Type = GeoTexture.TexType.Specular;
tex.OpenGLID = texId;
}
}
private static void ProcessMaterialsForMesh(Scene scene, Mesh mesh, ref GeoModel model, ref GeoMesh geoMesh, bool isKWCube = false)
{
GeoMaterial geoMaterial = new GeoMaterial();
Material material = null;
if (isKWCube)
{
if (mesh.MaterialIndex >= 0)
{
material = scene.Materials[mesh.MaterialIndex];
geoMaterial.Name = model.Filename == "kwcube.obj" ? "KWCube" : material.Name;
geoMaterial.BlendMode = material.BlendMode == BlendMode.Default ? OpenTK.Graphics.OpenGL4.BlendingFactor.OneMinusSrcAlpha : OpenTK.Graphics.OpenGL4.BlendingFactor.One; // TODO: Check if this is correct!
geoMaterial.ColorDiffuse = new Vector4(1, 1, 1, 1);
geoMaterial.ColorEmissive = new Vector4(0, 0, 0, 1);
}
else
{
geoMaterial.Name = "kw-undefined.";
geoMaterial.BlendMode = OpenTK.Graphics.OpenGL4.BlendingFactor.OneMinusSrcAlpha;
geoMaterial.ColorDiffuse = new Vector4(1, 1, 1, 1);
geoMaterial.ColorEmissive = new Vector4(0, 0, 0, 1);
}
geoMaterial.SpecularArea = 1024;
geoMaterial.SpecularPower = 0;
}
else
{
if (mesh.MaterialIndex >= 0)
{
material = scene.Materials[mesh.MaterialIndex];
geoMaterial.Name = material.Name;
if (material.Name == "DefaultMaterial")
{
geoMaterial.BlendMode = OpenTK.Graphics.OpenGL4.BlendingFactor.OneMinusSrcAlpha;
geoMaterial.ColorDiffuse = new Vector4(1, 1, 1, 1);
geoMaterial.ColorEmissive = new Vector4(0, 0, 0, 1);
geoMaterial.SpecularPower = 0;
geoMaterial.SpecularArea = 1024;
geoMaterial.TextureSpecularIsRoughness = false;
if (mesh.Name != null && mesh.Name.ToLower().Contains("_invisible"))
{
geoMaterial.Opacity = 0;
}
}
else
{
geoMaterial.BlendMode = material.BlendMode == BlendMode.Default ? OpenTK.Graphics.OpenGL4.BlendingFactor.OneMinusSrcAlpha : OpenTK.Graphics.OpenGL4.BlendingFactor.One; // TODO: Check if this is correct!
if (model.AssemblyMode == AssemblyMode.Internal && material.Name == "System")
{
geoMaterial.ColorDiffuse = new Vector4(1, 1, 1, 1);
}
else if (model.AssemblyMode == AssemblyMode.Internal && material.Name == "X")
{
geoMaterial.ColorDiffuse = new Vector4(1, 0, 0, 1);
}
else if (model.AssemblyMode == AssemblyMode.Internal && material.Name == "Y")
{
geoMaterial.ColorDiffuse = new Vector4(0, 1, 0, 1);
}
else if (model.AssemblyMode == AssemblyMode.Internal && material.Name == "Z")
{
geoMaterial.ColorDiffuse = new Vector4(0, 0, 1, 1);
}
else
{
geoMaterial.ColorDiffuse = material.HasColorDiffuse ? new Vector4(material.ColorDiffuse.R, material.ColorDiffuse.G, material.ColorDiffuse.B, material.ColorDiffuse.A) : new Vector4(1, 1, 1, 1);
}
geoMaterial.ColorEmissive = material.HasColorEmissive ? new Vector4(material.ColorEmissive.R, material.ColorEmissive.G, material.ColorEmissive.B, material.ColorEmissive.A) : new Vector4(0, 0, 0, 1);
geoMaterial.SpecularPower = material.ShininessStrength;
geoMaterial.SpecularArea = material.Shininess;
geoMaterial.TextureSpecularIsRoughness = false;
geoMaterial.Opacity = material.HasOpacity ? material.Opacity : 1;
if (mesh.Name != null && mesh.Name.ToLower().Contains("_invisible"))
{
geoMaterial.Opacity = 0;
}
}
}
else
{
geoMaterial.Name = "kw-undefined.";
geoMaterial.BlendMode = OpenTK.Graphics.OpenGL4.BlendingFactor.OneMinusSrcAlpha;
geoMaterial.ColorDiffuse = new Vector4(1, 1, 1, 1);
geoMaterial.ColorEmissive = new Vector4(0, 0, 0, 1);
geoMaterial.SpecularArea = 1024;
geoMaterial.SpecularPower = 0;
geoMaterial.TextureSpecularIsRoughness = false;
if (mesh.Name != null && mesh.Name.ToLower().Contains("_invisible"))
{
geoMaterial.Opacity = 0;
}
}
}
// Process Textures:
if (material != null)
{
bool roughnessUsed = false;
TextureSlot[] texturesOfMaterial = material.GetAllMaterialTextures();
foreach (TextureSlot slot in texturesOfMaterial)
{
if (slot.TextureType == TextureType.Shininess) // this is PBR Roughness
{
GeoTexture tex = new GeoTexture();
tex.UVTransform = new OpenTK.Vector2(1, 1);
tex.Filename = slot.FilePath;
tex.UVMapIndex = slot.UVIndex;
if (model.Textures.ContainsKey(tex.Filename))
{
tex.OpenGLID = model.Textures[tex.Filename].OpenGLID;
}
else
{
if (model.AssemblyMode == AssemblyMode.File)
{
tex.OpenGLID = HelperTexture.LoadTextureForModelExternal(
FindTextureInSubs(StripPathFromFile(tex.Filename), model.PathAbsolute), true
);
}
else
{
string path = StripFileNameFromAssemblyPath(model.PathAbsolute).Substring(model.PathAbsolute.IndexOf('.') + 1) + StripPathFromFile(tex.Filename);
tex.OpenGLID = HelperTexture.LoadTextureForModelInternal(path, true);
}
if (tex.OpenGLID > 0)
{
tex.Type = GeoTexture.TexType.Specular;
model.Textures.Add(tex.Filename, tex);
geoMaterial.TextureSpecular = tex;
geoMaterial.TextureSpecularIsRoughness = true;
roughnessUsed = true;
}
else
{
geoMaterial.TextureSpecular = tex;
geoMaterial.TextureSpecularIsRoughness = false;
tex.OpenGLID = KWEngine.TextureBlack;
}
}
break;
}
}
// Diffuse texture
if (material.HasTextureDiffuse)
{
GeoTexture tex = new GeoTexture();
tex.UVTransform = new OpenTK.Vector2(1, 1);
tex.Filename = material.TextureDiffuse.FilePath;
tex.UVMapIndex = material.TextureDiffuse.UVIndex;
tex.Type = GeoTexture.TexType.Diffuse;
if (model.Textures.ContainsKey(tex.Filename))
{
tex.OpenGLID = model.Textures[tex.Filename].OpenGLID;
geoMaterial.TextureDiffuse = tex;
}
else if (CheckIfOtherModelsShareTexture(tex.Filename, model.Path, out GeoTexture sharedTexture))
{
geoMaterial.TextureDiffuse = sharedTexture;
}
else
{
if (model.AssemblyMode == AssemblyMode.File)
{
tex.OpenGLID = HelperTexture.LoadTextureForModelExternal(
FindTextureInSubs(StripPathFromFile(tex.Filename), model.PathAbsolute)
);
}
else
{
string path = StripFileNameFromAssemblyPath(model.PathAbsolute).Substring(model.PathAbsolute.IndexOf('.') + 1) + StripPathFromFile(tex.Filename);
tex.OpenGLID = HelperTexture.LoadTextureForModelInternal(path, true);
}
if (tex.OpenGLID > 0)
{
geoMaterial.TextureDiffuse = tex;
model.Textures.Add(tex.Filename, tex);
}
else
{
tex.OpenGLID = KWEngine.TextureDefault;
geoMaterial.TextureDiffuse = tex;
}
}
}
// Normal map texture
if (material.HasTextureNormal)
{
GeoTexture tex = new GeoTexture();
tex.UVTransform = new OpenTK.Vector2(1, 1);
tex.Filename = material.TextureNormal.FilePath;
tex.UVMapIndex = material.TextureNormal.UVIndex;
tex.Type = GeoTexture.TexType.Normal;
if (model.Textures.ContainsKey(tex.Filename))
{
tex.OpenGLID = model.Textures[tex.Filename].OpenGLID;
geoMaterial.TextureNormal = tex;
}
else if (CheckIfOtherModelsShareTexture(tex.Filename, model.Path, out GeoTexture sharedTexture))
{
geoMaterial.TextureNormal = sharedTexture;
}
else
{
if (model.AssemblyMode == AssemblyMode.File)
{
tex.OpenGLID = HelperTexture.LoadTextureForModelExternal(
FindTextureInSubs(StripPathFromFile(tex.Filename), model.PathAbsolute)
);
}
else
{
string path = StripFileNameFromAssemblyPath(model.PathAbsolute).Substring(model.PathAbsolute.IndexOf('.') + 1) + StripPathFromFile(tex.Filename);
tex.OpenGLID = HelperTexture.LoadTextureForModelInternal(path, true);
}
if (tex.OpenGLID > 0)
{
model.Textures.Add(tex.Filename, tex);
geoMaterial.TextureNormal = tex;
}
else
{
tex.OpenGLID = KWEngine.TextureBlack;
//geoMaterial.TextureNormal = tex;
}
}
}
// Specular map texture
if (material.HasTextureSpecular && roughnessUsed == false)
{
GeoTexture tex = new GeoTexture();
tex.UVTransform = new OpenTK.Vector2(1, 1);
tex.Filename = material.TextureSpecular.FilePath;
tex.UVMapIndex = material.TextureSpecular.UVIndex;
tex.Type = GeoTexture.TexType.Specular;
if (model.Textures.ContainsKey(tex.Filename))
{
tex.OpenGLID = model.Textures[tex.Filename].OpenGLID;
geoMaterial.TextureSpecular = tex;
}
else if (CheckIfOtherModelsShareTexture(tex.Filename, model.Path, out GeoTexture sharedTexture))
{
geoMaterial.TextureSpecular = sharedTexture;
}
else
{
if (model.AssemblyMode == AssemblyMode.File)
{
tex.OpenGLID = HelperTexture.LoadTextureForModelExternal(
FindTextureInSubs(StripPathFromFile(tex.Filename), model.PathAbsolute)
);
}
else
{
string path = StripFileNameFromAssemblyPath(model.PathAbsolute).Substring(model.PathAbsolute.IndexOf('.') + 1) + StripPathFromFile(tex.Filename);
tex.OpenGLID = HelperTexture.LoadTextureForModelInternal(path, true);
}
if (tex.OpenGLID > 0)
{
geoMaterial.TextureSpecular = tex;
model.Textures.Add(tex.Filename, tex);
}
else
{
tex.OpenGLID = KWEngine.TextureBlack;
geoMaterial.TextureSpecular = tex;
}
}
}
else
{
if (material.HasTextureSpecular && roughnessUsed)
{
Debug.WriteLine("Skipping specular texture for " + model.Filename + " because roughness texture was found.");
}
}
// Emissive map texture
if (material.HasTextureEmissive)
{
GeoTexture tex = new GeoTexture();
tex.UVTransform = new OpenTK.Vector2(1, 1);
tex.Filename = material.TextureEmissive.FilePath;
tex.UVMapIndex = material.TextureEmissive.UVIndex;
tex.Type = GeoTexture.TexType.Emissive;
if (model.Textures.ContainsKey(tex.Filename))
{
tex.OpenGLID = model.Textures[tex.Filename].OpenGLID;
geoMaterial.TextureEmissive = tex;
}
else if (CheckIfOtherModelsShareTexture(tex.Filename, model.Path, out GeoTexture sharedTexture))
{
geoMaterial.TextureEmissive = sharedTexture;
}
else
{
if (model.AssemblyMode == AssemblyMode.File)
{
tex.OpenGLID = HelperTexture.LoadTextureForModelExternal(
FindTextureInSubs(StripPathFromFile(tex.Filename), model.PathAbsolute)
);
}
else
{
string path = StripFileNameFromAssemblyPath(model.PathAbsolute).Substring(model.PathAbsolute.IndexOf('.') + 1) + StripPathFromFile(tex.Filename);
tex.OpenGLID = HelperTexture.LoadTextureForModelInternal(path, true);
}
if (tex.OpenGLID > 0)
{
geoMaterial.TextureEmissive = tex;
model.Textures.Add(tex.Filename, tex);
}
else
{
tex.OpenGLID = KWEngine.TextureBlack;
geoMaterial.TextureEmissive = tex;
}
}
}
// Light map texture
if (material.HasTextureLightMap)
{
GeoTexture tex = new GeoTexture();
tex.UVTransform = new OpenTK.Vector2(1, 1);
tex.Filename = material.TextureLightMap.FilePath;
tex.UVMapIndex = material.TextureLightMap.UVIndex;
tex.Type = GeoTexture.TexType.Light;
if (model.Textures.ContainsKey(tex.Filename))
{
tex.OpenGLID = model.Textures[tex.Filename].OpenGLID;
geoMaterial.TextureLight = tex;
}
else if (CheckIfOtherModelsShareTexture(tex.Filename, model.Path, out GeoTexture sharedTexture))
{
geoMaterial.TextureLight = sharedTexture;
}
else
{
if (model.AssemblyMode == AssemblyMode.File)
{
tex.OpenGLID = HelperTexture.LoadTextureForModelExternal(
FindTextureInSubs(StripPathFromFile(tex.Filename), model.PathAbsolute)
);
}
else
{
string path = StripFileNameFromAssemblyPath(model.PathAbsolute).Substring(model.PathAbsolute.IndexOf('.') + 1) + StripPathFromFile(tex.Filename);
tex.OpenGLID = HelperTexture.LoadTextureForModelInternal(path, true);
}
if (tex.OpenGLID > 0)
{
model.Textures.Add(tex.Filename, tex);
geoMaterial.TextureLight = tex;
}
else
{
tex.OpenGLID = KWEngine.TextureBlack;
//geoMaterial.TextureLight = tex;
}
}
}
}
geoMesh.Material = geoMaterial;
}
private void EditTextureObject(ref GeoTexture tex, float x, float y)
{
tex.UVTransform = new OpenTK.Vector2(x, y);
}