/// <summary>
/// Imports material texture data to image dictionary
/// </summary>
/// <param name="material">Material content</param>
/// <remarks>Replaces texture path with assigned name</remarks>
public void Import(ref MaterialContent material)
{
if (!string.IsNullOrEmpty(material.AmbientTexture))
{
string imageName = this.NextImageName;
this.Add(imageName, ImageContent.Texture("", material.AmbientTexture));
material.AmbientTexture = imageName;
}
if (!string.IsNullOrEmpty(material.DiffuseTexture))
{
string imageName = this.NextImageName;
this.Add(imageName, ImageContent.Texture("", material.DiffuseTexture));
material.DiffuseTexture = imageName;
}
if (!string.IsNullOrEmpty(material.EmissionTexture))
{
string imageName = this.NextImageName;
this.Add(imageName, ImageContent.Texture("", material.EmissionTexture));
material.EmissionTexture = imageName;
}
if (!string.IsNullOrEmpty(material.NormalMapTexture))
{
string imageName = this.NextImageName;
this.Add(imageName, ImageContent.Texture("", material.NormalMapTexture));
material.NormalMapTexture = imageName;
}
if (!string.IsNullOrEmpty(material.SpecularTexture))
{
string imageName = this.NextImageName;
this.Add(imageName, ImageContent.Texture("", material.SpecularTexture));
material.SpecularTexture = imageName;
}
}
/// <summary>
/// Generates a new model content from an height map
/// </summary>
/// <param name="contentFolder">Content folder</param>
/// <param name="heightMap">Height map</param>
/// <param name="textures">Texture list</param>
/// <param name="cellSize">Cell size</param>
/// <param name="cellHeight">Cell height</param>
/// <returns>Returns a new model content</returns>
public static ModelContent FromHeightmap(string contentFolder, string heightMap, IEnumerable <string> textures, float cellSize, float cellHeight)
{
ModelContent modelContent = new ModelContent();
string texureName = "texture";
string materialName = "material";
string geoName = "geometry";
ImageContent heightMapImage = new ImageContent()
{
Streams = ContentManager.FindContent(contentFolder, heightMap),
};
ImageContent textureImage = new ImageContent()
{
Streams = ContentManager.FindContent(contentFolder, textures),
};
MaterialContent material = MaterialContent.Default;
material.DiffuseTexture = texureName;
HeightMap hm = HeightMap.FromStream(heightMapImage.Stream, null);
hm.BuildGeometry(cellSize, cellHeight, out var vertices, out var indices);
SubMeshContent geo = new SubMeshContent(Topology.TriangleList, materialName, true, false);
geo.SetVertices(vertices);
geo.SetIndices(indices);
modelContent.Images.Add(texureName, textureImage);
modelContent.Materials.Add(materialName, material);
modelContent.Geometry.Add(geoName, materialName, geo);
return(modelContent);
}
/// <summary>
/// Generate model content from scratch
/// </summary>
/// <param name="topology">Topology</param>
/// <param name="vertices">Vertex list</param>
/// <param name="indices">Index list</param>
/// <param name="material">Material</param>
/// <returns>Returns new model content</returns>
private static ModelContent Generate(Topology topology, IEnumerable <VertexData> vertices, IEnumerable <uint> indices, MaterialContent material = null)
{
ModelContent modelContent = new ModelContent();
if (material != null)
{
modelContent.Images.Import(ref material);
modelContent.Materials.Add(ModelContent.DefaultMaterial, material);
}
var materialName = material != null ? ModelContent.DefaultMaterial : ModelContent.NoMaterial;
var textured = modelContent.Materials[materialName].DiffuseTexture != null;
SubMeshContent geo = new SubMeshContent(topology, materialName, textured, false);
geo.SetVertices(vertices);
geo.SetIndices(indices);
modelContent.Geometry.Add(ModelContent.StaticMesh, material != null ? ModelContent.DefaultMaterial : ModelContent.NoMaterial, geo);
modelContent.Optimize();
return(modelContent);
}
/// <summary>
/// Generate triangle list model content from scratch
/// </summary>
/// <param name="vertices">Vertex list</param>
/// <param name="indices">Index list</param>
/// <param name="material">Material</param>
/// <returns>Returns new model content</returns>
public static ModelContent GenerateTriangleList(IEnumerable <VertexData> vertices, IEnumerable <uint> indices, MaterialContent material = null)
{
return(Generate(Topology.TriangleList, vertices, indices, material));
}