public void RemoveModel(Model model)
{
if (this.models.Contains(model))
{
this.models.Remove(model);
}
}
public static BoundingBox ComputeBoundingBox( Model model )
{
if ( model != null )
{
Vector3 center = model.Transform.Translation;
Vector3 model_min = Vector3.Zero;
Vector3 model_max = Vector3.Zero;
foreach ( Mesh mesh in model.Meshes ) {
Vector3 mesh_min = Vector3.Zero;
Vector3 mesh_max = Vector3.Zero;
for ( int i = 0; i < mesh.VertexData.Length; i++ ) {
Vector3 vert_pos = mesh.VertexData[ i ].Position;
mesh_min = Vector3.Min( mesh_min, vert_pos );
mesh_max = Vector3.Max( mesh_max, vert_pos );
}
model_min = Vector3.Min( model_min, mesh_min );
model_max = Vector3.Max( model_max, mesh_max );
}
Vector3 extents = Vector3.One;
extents.X = ( Math.Abs( model_max.X - model_min.X ) / 2.0f );
extents.Y = ( Math.Abs( model_max.Y - model_min.Y ) / 2.0f );
extents.Z = ( Math.Abs( model_max.Z - model_min.Z ) / 2.0f );
return new BoundingBox( center, extents );
}
return new Pico3D.Primitives.BoundingBox( );
}
public Model Import( string filename )
{
this.Initialize( );
this.model = new Model( this.model_name );
string path = Path.Combine( this.source_dir, filename );
this.model_path = path.Replace( Path.GetFileName( path ), string.Empty );
if ( File.Exists( path ) && path.EndsWith( ".pmf" ) ) {
foreach ( string[] lineTokens in this.GetLineTokens( path ) ) {
this.Parse( lineTokens );
}
if ( this.current_mesh != null ) {
this.CalculateNormals( );
this.current_mesh.SetVertexData( this.vertices );
this.vertices = null;
this.current_mesh.SetIndexData( this.indices );
this.indices = null;
this.current_mesh.CreateVertexBuffer( this.g_device );
this.meshes.Add( this.current_mesh );
this.current_mesh = null;
}
this.model.SetMeshes( this.meshes );
//this.model.SetBoundingBox( this.ComputeBoundingBox( ) );
}
return model;
}
void Initialize( )
{
this.model = null;
this.positions = new List <Vector3>( );
this.texcoords = new List <Vector2>( );
this.vertex_data = new List <Vertex>( );
this.meshes = new List <Mesh>( );
}
public void AddModel(Model model)
{
if (!this.models.Contains(model))
{
if (model.Material.ContainsDiffuseMap( ))
{
this.effect = this.texture_shader.Effect;
}
else
{
this.effect = this.default_shader.Effect;
}
this.models.Add(model);
}
}
public Model Import(string filename)
{
this.Initialize( );
this.model = new Model(this.model_name);
string path = Path.Combine(this.source_dir, filename);
this.model_path = path.Replace(Path.GetFileName(path), string.Empty);
if (File.Exists(path) && path.EndsWith(".pmf"))
{
foreach (string[] lineTokens in this.GetLineTokens(path))
{
this.Parse(lineTokens);
}
if (this.current_mesh != null)
{
this.CalculateNormals( );
this.current_mesh.SetVertexData(this.vertices);
this.vertices = null;
this.current_mesh.SetIndexData(this.indices);
this.indices = null;
this.current_mesh.CreateVertexBuffer(this.g_device);
this.meshes.Add(this.current_mesh);
this.current_mesh = null;
}
this.model.SetMeshes(this.meshes);
//this.model.SetBoundingBox( this.ComputeBoundingBox( ) );
}
return(model);
}
void Parse(string[] lineTokens)
{
switch (lineTokens[0].ToLower( ))
{
// Model.
case "model":
this.model_name = lineTokens[1];
this.model = new Model(this.model_name);
break;
// Mesh.
case "mesh":
if (this.current_mesh != null)
{
this.CalculateNormals( );
this.current_mesh.SetVertexData(this.vertices);
this.vertices = null;
this.current_mesh.SetIndexData(this.indices);
this.indices = null;
this.current_mesh.CreateVertexBuffer(this.g_device);
this.meshes.Add(this.current_mesh);
this.current_mesh = null;
}
else
{
this.current_mesh = new Mesh(lineTokens[1]);
}
break;
// BeginMaterial.
case "bmat":
this.material = new Material(lineTokens[1]);
break;
// DiffuseMap.
case "dmap":
if (this.material != null)
{
Texture2D tex = this.LoadTexture(Path.Combine(this.model_path, lineTokens[1]));
this.material.AddTexture(TextureType.DiffuseMap, tex);
tex = null;
}
break;
// NormalMap.
case "nmap":
if (this.material != null)
{
Texture2D tex = this.LoadTexture(Path.Combine(this.model_path, lineTokens[1]));
this.material.AddTexture(TextureType.NormalMap, tex);
tex = null;
}
break;
// SpecularMap.
case "smap":
if (this.material != null)
{
Texture2D tex = this.LoadTexture(Path.Combine(this.model_path, lineTokens[1]));
this.material.AddTexture(TextureType.SpecularMap, tex);
tex = null;
}
break;
// EmissiveMap.
case "emap":
if (this.material != null)
{
Texture2D tex = this.LoadTexture(Path.Combine(this.model_path, lineTokens[1]));
this.material.AddTexture(TextureType.EmissiveMap, tex);
tex = null;
}
break;
// EndMaterial.
case "emat":
this.model.SetMaterial(this.material);
this.material = null;
break;
// Position.
case "v":
this.positions.Add(this.ParseVector3(lineTokens));
break;
// TextureCoordinate.
case "vt":
Vector2 vt = this.ParseVector2(lineTokens);
vt.Y = (1.0f - vt.Y);
this.texcoords.Add(vt);
break;
// Face.
case "f":
for (int vi = 1; vi <= 3; vi++)
{
string[] indices = lineTokens[vi].Split('/');
int pos_index = (int.Parse(indices[0], CultureInfo.InvariantCulture) - 1);
int tc_index = 0;
Vector2 tex_coord = Vector2.Zero;
if (int.TryParse(indices[1], out tc_index))
{
tex_coord = this.texcoords[tc_index - 1];
}
this.vertex_data.Add(new Vertex(this.positions[pos_index], tex_coord, Vector3.Zero));
}
break;
// Unknown command.
default:
break;
}
}
public void AddModel( Model model )
{
if ( !this.models.Contains( model ) ) {
if ( model.Material.ContainsDiffuseMap( ) ) {
this.effect = this.texture_shader.Effect;
}
else {
this.effect = this.default_shader.Effect;
}
this.models.Add( model );
}
}
public void RemoveModel( Model model )
{
if ( this.models.Contains( model ) ) {
this.models.Remove( model );
}
}
void Parse( string[] lineTokens )
{
switch ( lineTokens[ 0 ].ToLower( ) ) {
// Model.
case "model":
this.model_name = lineTokens[ 1 ];
this.model = new Model( this.model_name );
break;
// Mesh.
case "mesh":
if ( this.current_mesh != null ) {
this.CalculateNormals( );
this.current_mesh.SetVertexData( this.vertices );
this.vertices = null;
this.current_mesh.SetIndexData( this.indices );
this.indices = null;
this.current_mesh.CreateVertexBuffer( this.g_device );
this.meshes.Add( this.current_mesh );
this.current_mesh = null;
}
else {
this.current_mesh = new Mesh( lineTokens[ 1 ] );
}
break;
// BeginMaterial.
case "bmat":
this.material = new Material( lineTokens[ 1 ] );
break;
// DiffuseMap.
case "dmap":
if ( this.material != null ) {
Texture2D tex = this.LoadTexture( Path.Combine( this.model_path, lineTokens[ 1 ] ) );
this.material.AddTexture( TextureType.DiffuseMap, tex );
tex = null;
}
break;
// NormalMap.
case "nmap":
if ( this.material != null ) {
Texture2D tex = this.LoadTexture( Path.Combine( this.model_path, lineTokens[ 1 ] ) );
this.material.AddTexture( TextureType.NormalMap, tex );
tex = null;
}
break;
// SpecularMap.
case "smap":
if ( this.material != null ) {
Texture2D tex = this.LoadTexture( Path.Combine( this.model_path, lineTokens[ 1 ] ) );
this.material.AddTexture( TextureType.SpecularMap, tex );
tex = null;
}
break;
// EmissiveMap.
case "emap":
if ( this.material != null ) {
Texture2D tex = this.LoadTexture( Path.Combine( this.model_path, lineTokens[ 1 ] ) );
this.material.AddTexture( TextureType.EmissiveMap, tex );
tex = null;
}
break;
// EndMaterial.
case "emat":
this.model.SetMaterial( this.material );
this.material = null;
break;
// Position.
case "v":
this.positions.Add( this.ParseVector3( lineTokens ) );
break;
// TextureCoordinate.
case "vt":
Vector2 vt = this.ParseVector2( lineTokens );
vt.Y = ( 1.0f - vt.Y );
this.texcoords.Add( vt );
break;
// Face.
case "f":
for ( int vi = 1; vi <= 3; vi++ ) {
string[] indices = lineTokens[ vi ].Split( '/' );
int pos_index = ( int.Parse( indices[ 0 ], CultureInfo.InvariantCulture ) - 1 );
int tc_index = 0;
Vector2 tex_coord = Vector2.Zero;
if ( int.TryParse( indices[ 1 ], out tc_index ) ) {
tex_coord = this.texcoords[ tc_index - 1 ];
}
this.vertex_data.Add( new Vertex( this.positions[ pos_index ], tex_coord, Vector3.Zero ) );
}
break;
// Unknown command.
default:
break;
}
}
void Initialize( )
{
this.model = null;
this.positions = new List<Vector3>( );
this.texcoords = new List<Vector2>( );
this.vertex_data = new List<Vertex>( );
this.meshes = new List<Mesh>( );
}