private static Color ParseColor(AseParser parser)
{
var r = (int)(255.0f * parser.ConsumeFloat());
var g = (int)(255.0f * parser.ConsumeFloat());
var b = (int)(255.0f * parser.ConsumeFloat());
var fromArgb = Color.FromArgb(255, r, g, b);
return fromArgb;
}
private void ParseScene(AseParser parser, Scene scene)
{
parser.Consume("{");
for (;;)
{
var attr = parser.Consume();
if (attr == null || attr == "}")
{
break;
}
if (0 == string.Compare(attr, "*SCENE_FILENAME", StringComparison.InvariantCultureIgnoreCase))
{
scene.Id = parser.Consume();
continue;
}
if (0 == string.Compare(attr, "*SCENE_FIRSTFRAME", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeInt();
continue;
}
if (0 == string.Compare(attr, "*SCENE_LASTFRAME", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeInt();
continue;
}
if (0 == string.Compare(attr, "*SCENE_FRAMESPEED", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*SCENE_TICKSPERFRAME", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*SCENE_BACKGROUND_STATIC", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
parser.ConsumeFloat();
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*SCENE_AMBIENT_STATIC", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
parser.ConsumeFloat();
parser.ConsumeFloat();
continue;
}
parser.UnknownLexemError();
}
}
private IMaterial ParseMaterial(AseParser parser, Scene scene)
{
var sceneEffect = new SceneEffect() {CullMode = CullMode.Front};
var m = new SceneMaterial { Effect = sceneEffect };
parser.Consume("{");
for (;;)
{
var attr = parser.Consume();
if (attr == null || attr == "}")
{
break;
}
if (0 == string.Compare(attr, "*MATERIAL_NAME", StringComparison.InvariantCultureIgnoreCase))
{
m.Id = m.Name = sceneEffect.Id = sceneEffect.Name = parser.Consume();
continue;
}
if (0 == string.Compare(attr, "*MATERIAL_CLASS", StringComparison.InvariantCultureIgnoreCase))
{
parser.Consume();
continue;
}
if (0 == string.Compare(attr, "*MATERIAL_AMBIENT", StringComparison.InvariantCultureIgnoreCase))
{
sceneEffect.Ambient = new SolidColorSource { Color = ParseColor(parser) };
continue;
}
if (0 == string.Compare(attr, "*MATERIAL_DIFFUSE", StringComparison.InvariantCultureIgnoreCase))
{
sceneEffect.Diffuse = new SolidColorSource { Color = ParseColor(parser) };
continue;
}
if (0 == string.Compare(attr, "*MATERIAL_SPECULAR", StringComparison.InvariantCultureIgnoreCase))
{
sceneEffect.Specular = new SolidColorSource { Color = ParseColor(parser) };
continue;
}
if (0 == string.Compare(attr, "*MATERIAL_SHINE", StringComparison.InvariantCultureIgnoreCase))
{
sceneEffect.Shininess = parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*MATERIAL_SHINESTRENGTH", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*MATERIAL_TRANSPARENCY", StringComparison.InvariantCultureIgnoreCase))
{
sceneEffect.Transparency = parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*MATERIAL_WIRESIZE", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*MATERIAL_XP_FALLOFF", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*MATERIAL_SELFILLUM", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*MATERIAL_SHADING", StringComparison.InvariantCultureIgnoreCase))
{
parser.Consume();
continue;
}
if (0 == string.Compare(attr, "*MATERIAL_FALLOFF", StringComparison.InvariantCultureIgnoreCase))
{
parser.Consume();
continue;
}
if (0 == string.Compare(attr, "*MATERIAL_XP_TYPE", StringComparison.InvariantCultureIgnoreCase))
{
parser.Consume();
continue;
}
if (0 == string.Compare(attr, "*MAP_AMBIENT", StringComparison.InvariantCultureIgnoreCase))
{
sceneEffect.Ambient = this.ParseMap(parser, scene);
continue;
}
if (0 == string.Compare(attr, "*MAP_DIFFUSE", StringComparison.InvariantCultureIgnoreCase))
{
sceneEffect.Diffuse = this.ParseMap(parser, scene);
continue;
}
if (0 == string.Compare(attr, "*NUMSUBMTLS", StringComparison.InvariantCultureIgnoreCase))
{
var numMaterials = parser.ConsumeInt();
continue;
}
if (0 == string.Compare(attr, "*SUBMATERIAL", StringComparison.InvariantCultureIgnoreCase))
{
var index = parser.ConsumeInt();
while (m.Submaterials.Count <= index) m.Submaterials.Add(null);
var subm = ParseMaterial(parser, scene);
m.Submaterials[index] = subm;
continue;
}
parser.UnknownLexemError();
}
return m;
}
private IColorSource ParseMap(AseParser parser, Scene scene)
{
var image = new FileReferenceImage();
var texture = new ImageColorSource { Image = image };
parser.Consume("{");
for (;;)
{
var attr = parser.Consume();
if (attr == null || attr == "}")
{
break;
}
if (0 == string.Compare(attr, "*MAP_NAME", StringComparison.InvariantCultureIgnoreCase))
{
image.Id = image.Name = parser.Consume();
continue;
}
if (0 == string.Compare(attr, "*MAP_CLASS", StringComparison.InvariantCultureIgnoreCase))
{
parser.Consume();
continue;
}
if (0 == string.Compare(attr, "*MAP_SUBNO", StringComparison.InvariantCultureIgnoreCase))
{
parser.Consume();
continue;
}
if (0 == string.Compare(attr, "*MAP_AMOUNT", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*BITMAP", StringComparison.InvariantCultureIgnoreCase))
{
image.Path = Path.Combine(this.basePath, parser.Consume());
continue;
}
if (0 == string.Compare(attr, "*MAP_TYPE", StringComparison.InvariantCultureIgnoreCase))
{
parser.Consume();
continue;
}
if (0 == string.Compare(attr, "*UVW_U_OFFSET", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*UVW_V_OFFSET", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*UVW_U_TILING", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*UVW_V_TILING", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*UVW_ANGLE", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*UVW_BLUR", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*UVW_BLUR_OFFSET", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*UVW_NOUSE_AMT", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*UVW_NOISE_SIZE", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*UVW_NOISE_LEVEL", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*UVW_NOISE_PHASE", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*BITMAP_FILTER", StringComparison.InvariantCultureIgnoreCase))
{
parser.Consume();
continue;
}
parser.UnknownLexemError();
}
return texture;
}
private void ParseColList(AseParser parser, IList<Color> colors)
{
parser.Consume("{");
for (;;)
{
var attr = parser.Consume();
if (attr == null || attr == "}")
{
break;
}
if (0 == string.Compare(attr, "*MESH_VERTCOL", StringComparison.InvariantCultureIgnoreCase))
{
var index = parser.ConsumeInt();
var a = parser.ConsumeFloat();
var b = parser.ConsumeFloat();
var c = parser.ConsumeFloat();
colors[index] = Color.FromArgb(255, this.ClampCol(a), this.ClampCol(b), this.ClampCol(c));
continue;
}
parser.UnknownLexemError();
}
}
private void ParsSubMesh(AseParser parser, Scene scene, Node node)
{
var mesh = new SeparateStreamsMesh();
var submesh = mesh.CreateSubmesh();
node.Mesh = mesh;
scene.Geometries.Add(mesh);
ArrayMeshStream<Float3> vertices = null;
ListMeshStream<Float3> normalStream = null;
FaceNormal[] normals = null;
ArrayMeshStream<Float3> tvertices = null;
ArrayMeshStream<Color> cols = null;
AseFace[] faces = null;
AseTFace[] tfaces = null;
Tuple<int, int, int>[] colFaces = null;
//TODO: submesh can have it's own vertex streams
parser.Consume("{");
for (;;)
{
var attr = parser.Consume();
if (attr == null || attr == "}")
{
break;
}
if (0 == string.Compare(attr, "*TIMEVALUE", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
continue;
}
if (0 == string.Compare(attr, "*MESH_NUMVERTEX", StringComparison.InvariantCultureIgnoreCase))
{
vertices = new ArrayMeshStream<Float3>(parser.ConsumeInt(), converterFactory);
mesh.SetStream(Streams.Position, 0, vertices);
continue;
}
if (0 == string.Compare(attr, "*MESH_VERTEX_LIST", StringComparison.InvariantCultureIgnoreCase))
{
this.ParseVertexList(parser, vertices);
continue;
}
if (0 == string.Compare(attr, "*MESH_NUMTVERTEX", StringComparison.InvariantCultureIgnoreCase))
{
tvertices = new ArrayMeshStream<Float3>(parser.ConsumeInt(), converterFactory);
mesh.SetStream(Streams.TexCoord, 0, tvertices);
continue;
}
if (0 == string.Compare(attr, "*MESH_TVERTLIST", StringComparison.InvariantCultureIgnoreCase))
{
this.ParseTVertList(parser, tvertices);
continue;
}
if (0 == string.Compare(attr, "*MESH_NUMTVFACES", StringComparison.InvariantCultureIgnoreCase))
{
tfaces = new AseTFace[parser.ConsumeInt()];
continue;
}
if (0 == string.Compare(attr, "*MESH_TFACELIST", StringComparison.InvariantCultureIgnoreCase))
{
this.ParseTFaceList(parser, tfaces);
continue;
}
if (0 == string.Compare(attr, "*MESH_NUMCVERTEX", StringComparison.InvariantCultureIgnoreCase))
{
cols = new ArrayMeshStream<Color>(parser.ConsumeInt(), converterFactory);
mesh.SetStream(Streams.Color, 0, cols);
continue;
}
if (0 == string.Compare(attr, "*MESH_CVERTLIST", StringComparison.InvariantCultureIgnoreCase))
{
this.ParseColList(parser, cols);
continue;
}
if (0 == string.Compare(attr, "*MESH_NUMCVFACES", StringComparison.InvariantCultureIgnoreCase))
{
colFaces = new Tuple<int, int, int>[parser.ConsumeInt()];
continue;
}
if (0 == string.Compare(attr, "*MESH_CFACELIST", StringComparison.InvariantCultureIgnoreCase))
{
this.ParseColFaceList(parser, colFaces);
continue;
}
if (0 == string.Compare(attr, "*MESH_NORMALS", StringComparison.InvariantCultureIgnoreCase))
{
normals = new FaceNormal[faces.Length];
this.ParsNormalList(parser, normals);
continue;
}
if (0 == string.Compare(attr, "*MESH_NUMFACES", StringComparison.InvariantCultureIgnoreCase))
{
faces = new AseFace[parser.ConsumeInt()];
continue;
}
if (0 == string.Compare(attr, "*MESH_FACE_LIST", StringComparison.InvariantCultureIgnoreCase))
{
this.ParseFaceList(parser, faces);
continue;
}
parser.UnknownLexemError();
}
ListMeshStream<int> positionIndices = null;
if (vertices != null)
{
positionIndices = new ListMeshStream<int>(faces.Length * 3,converterFactory);
submesh.SetIndexStream(Streams.Position, 0, positionIndices);
}
ListMeshStream<int> normalIndices = null;
if (normals != null)
{
normalStream = new ListMeshStream<Float3>(faces.Length * 3, converterFactory);
mesh.SetStream(Streams.Normal, 0, normalStream);
normalIndices = new ListMeshStream<int>(faces.Length * 3, converterFactory);
submesh.SetIndexStream(Streams.Normal, 0, normalIndices);
}
ListMeshStream<int> colorIndices = null;
if (cols != null)
{
colorIndices = new ListMeshStream<int>(faces.Length * 3, converterFactory);
submesh.SetIndexStream(Streams.Color, 0, colorIndices);
}
ListMeshStream<int> texCoordIndices = null;
if (tvertices != null)
{
texCoordIndices = new ListMeshStream<int>(faces.Length * 3, converterFactory);
submesh.SetIndexStream(Streams.TexCoord, 0, texCoordIndices);
}
for (int i = 0; i < faces.Length; ++i)
{
// -------------------------------------------------- //
if (positionIndices != null)
{
positionIndices.Add(faces[i].A);
}
if (normalIndices != null)
{
normalIndices.Add(normalStream.Count);
normalStream.Add(normals[i].A.Normal);
}
if (colorIndices != null)
{
colorIndices.Add(colFaces[i].Item1);
}
if (texCoordIndices != null)
{
texCoordIndices.Add(tfaces[i].A);
}
// -------------------------------------------------- //
if (positionIndices != null)
{
positionIndices.Add(faces[i].C);
}
if (normalIndices != null)
{
normalIndices.Add(normalStream.Count);
normalStream.Add(normals[i].C.Normal);
}
if (colorIndices != null)
{
colorIndices.Add(colFaces[i].Item3);
}
if (texCoordIndices != null)
{
texCoordIndices.Add(tfaces[i].C);
}
// -------------------------------------------------- //
if (positionIndices != null)
{
positionIndices.Add(faces[i].B);
}
if (normalIndices != null)
{
normalIndices.Add(normalStream.Count);
normalStream.Add(normals[i].B.Normal);
}
if (colorIndices != null)
{
colorIndices.Add(colFaces[i].Item2);
}
if (texCoordIndices != null)
{
texCoordIndices.Add(tfaces[i].B);
}
// -------------------------------------------------- //
}
}
private void ParsSubMesh(AseParser parser, Scene scene, Node node,string attr)
{
if (0 == string.Compare(attr, "*MESH", StringComparison.InvariantCultureIgnoreCase))
{
ParsSubMesh(parser, scene, node);
return;
}
if (0 == string.Compare(attr, "*MESH_ANIMATION", StringComparison.InvariantCultureIgnoreCase))
{
this.ParsMeshAnimation(parser, scene, node);
return;
}
if (0 == string.Compare(attr, "*PROP_MOTIONBLUR", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
return;
}
if (0 == string.Compare(attr, "*PROP_CASTSHADOW", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeInt();
return;
}
if (0 == string.Compare(attr, "*PROP_RECVSHADOW", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeInt();
return;
}
if (0 == string.Compare(attr, "*MATERIAL_REF", StringComparison.InvariantCultureIgnoreCase))
{
var materialId = parser.ConsumeInt();
if (scene.Materials != null && scene.Materials.Count > 0)
{
foreach (var submesh in node.Mesh.Submeshes)
{
submesh.Material = scene.Materials[materialId];
}
}
return;
}
if (0 == string.Compare(attr, "*TM_ANIMATION", StringComparison.InvariantCultureIgnoreCase))
{
this.SkipBlock(parser);
return;
}
if (0 == string.Compare(attr, "*WIREFRAME_COLOR", StringComparison.InvariantCultureIgnoreCase))
{
parser.ConsumeFloat();
parser.ConsumeFloat();
parser.ConsumeFloat();
return;
}
parser.UnknownLexemError();
}
private void ParsNormalList(AseParser parser, FaceNormal[] normals)
{
int faceIndex = 0;
int faceVertexIndex = 0;
parser.Consume("{");
for (;;)
{
var attr = parser.Consume();
if (attr == null || attr == "}")
{
break;
}
if (0 == string.Compare(attr, "*MESH_FACENORMAL", StringComparison.InvariantCultureIgnoreCase))
{
faceIndex = parser.ConsumeInt();
var x = parser.ConsumeFloat();
var y = parser.ConsumeFloat();
var z = parser.ConsumeFloat();
normals[faceIndex].A.Normal =
normals[faceIndex].B.Normal = normals[faceIndex].C.Normal = normals[faceIndex].Normal = new Float3(x, y, z);
faceVertexIndex = 0;
continue;
}
if (0 == string.Compare(attr, "*MESH_VERTEXNORMAL", StringComparison.InvariantCultureIgnoreCase))
{
var index = parser.ConsumeInt();
var x = parser.ConsumeFloat();
var y = parser.ConsumeFloat();
var z = parser.ConsumeFloat();
Float3 v = new Float3(x, y, z);
switch (faceVertexIndex)
{
case 0:
normals[faceIndex].A.Index = index;
normals[faceIndex].A.Normal = v;
break;
case 1:
normals[faceIndex].B.Index = index;
normals[faceIndex].B.Normal = v;
break;
case 2:
normals[faceIndex].C.Index = index;
normals[faceIndex].C.Normal = v;
break;
}
++faceVertexIndex;
continue;
}
parser.UnknownLexemError();
}
}
private void ParseVertexList(AseParser parser, IList<Float3> vertices)
{
parser.Consume("{");
for (;;)
{
var attr = parser.Consume();
if (attr == null || attr == "}")
{
break;
}
if (0 == string.Compare(attr, "*MESH_VERTEX", StringComparison.InvariantCultureIgnoreCase))
{
var index = parser.ConsumeInt();
var x = parser.ConsumeFloat();
var y = parser.ConsumeFloat();
var z = parser.ConsumeFloat();
vertices[index] = new Float3(x, y, z);
continue;
}
parser.UnknownLexemError();
}
}