private List <SegaSaturnTextureVerticesIndexes> GetTextureVerticesIndexes()
{
MeshSource textureSource = this.MeshSources.FirstOrDefault(item => item.MeshSourceKind == MeshSource.MeshSourceKindEnum.Texcoord);
if (textureSource == null)
{
throw new InvalidOperationException("no Texcoord source in Collada");
}
if (this.GeometryType == GeometryTypeEnum.QuadPolylist)
{
List <SegaSaturnTextureVerticesIndexes> toReturn = new List <SegaSaturnTextureVerticesIndexes>();
int i = textureSource.IndexOffset;
while (i < this.VertexIndexes.Count)
{
SegaSaturnTextureVerticesIndexes coord = new SegaSaturnTextureVerticesIndexes();
coord.Vertice1 = this.VertexIndexes[i];
i += this.IndexOffsetRange + 1;
coord.Vertice2 = this.VertexIndexes[i];
i += this.IndexOffsetRange + 1;
coord.Vertice3 = this.VertexIndexes[i];
i += this.IndexOffsetRange + 1;
coord.Vertice4 = this.VertexIndexes[i];
i += this.IndexOffsetRange + 1;
toReturn.Add(coord);
}
return(toReturn);
}
if (this.GeometryType == GeometryTypeEnum.Polygons)
{
int vcountIndex = 0;
List <SegaSaturnTextureVerticesIndexes> toReturn = new List <SegaSaturnTextureVerticesIndexes>();
int i = textureSource.IndexOffset;
while (i < this.VertexIndexes.Count)
{
SegaSaturnTextureVerticesIndexes coord = new SegaSaturnTextureVerticesIndexes();
coord.Vertice1 = this.VertexIndexes[i];
i += this.IndexOffsetRange + 1;
coord.Vertice2 = this.VertexIndexes[i];
i += this.IndexOffsetRange + 1;
coord.Vertice3 = this.VertexIndexes[i];
if (this.VertexCount[vcountIndex] == 4)
{
i += this.IndexOffsetRange + 1;
}
coord.Vertice4 = this.VertexIndexes[i];
i += this.IndexOffsetRange + 1;
toReturn.Add(coord);
++vcountIndex;
}
return(toReturn);
}
else
{
List <SegaSaturnTextureVerticesIndexes> toReturn = new List <SegaSaturnTextureVerticesIndexes>();
int i = textureSource.IndexOffset;
while (i < this.VertexIndexes.Count)
{
SegaSaturnTextureVerticesIndexes coord = new SegaSaturnTextureVerticesIndexes();
coord.Vertice1 = this.VertexIndexes[i];
i += this.IndexOffsetRange + 1;
coord.Vertice2 = this.VertexIndexes[i];
i += this.IndexOffsetRange + 1;
coord.Vertice3 = this.VertexIndexes[i];
coord.Vertice4 = this.VertexIndexes[i];/*same as previous*/
i += this.IndexOffsetRange + 1;
toReturn.Add(coord);
}
return(toReturn);
}
}
public List <SegaSaturnPolygonData> Parse(string path, Option option)
{
List <SegaSaturnPolygonData> toReturn = new List <SegaSaturnPolygonData>();
Dictionary <string, Material> material = new Dictionary <string, Material>();
Dictionary <string, SegaSaturnTexture> dict = new Dictionary <string, SegaSaturnTexture>();
List <SegaSaturnNormal> normals = new List <SegaSaturnNormal>();
List <SegaSaturnTextureCoordinates> textureCoordinates = new List <SegaSaturnTextureCoordinates>();
SegaSaturnPolygonData currentPolygonData = new SegaSaturnPolygonData();
Material currentMaterial = new Material();
bool newMesh = false;
using (StreamReader reader = new StreamReader(path))
{
string line;
while ((line = reader.ReadLine()) != null)
{
string[] data = line.Split(new[] { " ", "\t" }, StringSplitOptions.RemoveEmptyEntries);
if (data.Length <= 0)
{
continue;
}
switch (data[0].ToLower())
{
case "usemtl":
if (material.ContainsKey(data[1]))
{
currentMaterial = material[data[1]];
}
else
{
currentMaterial = new Material();
}
break;
case "mtllib":
material = this.ParseMaterial(data[1], option.WorkingDir, 128);
break;
case "g":
if (String.IsNullOrWhiteSpace(currentPolygonData.Name))
{
currentPolygonData.Name = data[1];
}
break;
case "v":
if (newMesh)
{
dict.Clear();
newMesh = false;
if (currentPolygonData != null)
{
if (String.IsNullOrWhiteSpace(currentPolygonData.Name))
{
currentPolygonData.Name = String.Format("Unnamed{0}", toReturn.Count + 1);
}
toReturn.Add(currentPolygonData);
}
//normals = new List<SegaSaturnNormal>();
//textureCoordinates = new List<SegaSaturnTextureCoordinates>();
currentMaterial = new Material();
currentPolygonData = new SegaSaturnPolygonData();
}
float x = float.Parse(data[1], CultureInfo.InvariantCulture) * (float)option.ZoomFactor;
float y = float.Parse(data[2], CultureInfo.InvariantCulture) * (float)option.ZoomFactor;
float z = float.Parse(data[3], CultureInfo.InvariantCulture) * (float)option.ZoomFactor;
currentPolygonData.Points.Add(new SegaSaturnPoint(x, y, z));
break;
case "vn":
normals.Add(new SegaSaturnNormal(float.Parse(data[1], CultureInfo.InvariantCulture), float.Parse(data[2], CultureInfo.InvariantCulture), float.Parse(data[3], CultureInfo.InvariantCulture)));
break;
case "vt":
textureCoordinates.Add(new SegaSaturnTextureCoordinates(float.Parse(data[1], CultureInfo.InvariantCulture), float.Parse(data[2], CultureInfo.InvariantCulture)));
break;
case "f":
newMesh = true;
if (data.Length > 5)
{
throw new NotSupportedException("Ngons are not supported");
}
string v;
string vt;
string vn;
this.ParseFace(data[1], out v, out vt, out vn);
bool hasTexture = option.UseTexture && !String.IsNullOrEmpty(vt) && currentMaterial.Texture != null;
bool hasNormal = !String.IsNullOrEmpty(vn);
SegaSaturnAttribute attributes = new SegaSaturnAttribute
{
Color = hasTexture ? null : new SegaSaturnColor(Obj.DefaultColors[toReturn.Count % Obj.DefaultColors.Count]),
ZSortSpecification = SegaSaturnAttribute.ZSortSpecificationEnum.Cen,
FrontBackPlane = option.DualPlane ? SegaSaturnAttribute.FrontBackPlaneEnum.Dual : SegaSaturnAttribute.FrontBackPlaneEnum.Single,
UseScreenDoors = option.UseScreenDoors,
UseLight = option.UseLight
};
currentPolygonData.Attributes.Add(attributes);
SegaSaturnPolygon polygon = new SegaSaturnPolygon();
SegaSaturnTextureVerticesIndexes textureVertices = new SegaSaturnTextureVerticesIndexes();
if (hasNormal)
{
polygon.Normal = normals[int.Parse(vn, CultureInfo.InvariantCulture) - 1];
}
polygon.Vertices = new SegaSaturnVertices();
//vertice #1
polygon.Vertices.Vertice1 = int.Parse(v, CultureInfo.InvariantCulture) - 1;
textureVertices.Vertice1 = !String.IsNullOrWhiteSpace(vt) ? int.Parse(vt, CultureInfo.InvariantCulture) - 1 : 0;
//vertice #2
this.ParseFace(data[2], out v, out vt, out vn);
polygon.Vertices.Vertice2 = int.Parse(v, CultureInfo.InvariantCulture) - 1;
textureVertices.Vertice2 = !String.IsNullOrWhiteSpace(vt) ? int.Parse(vt, CultureInfo.InvariantCulture) - 1 : 0;
//vertice #3
this.ParseFace(data[3], out v, out vt, out vn);
polygon.Vertices.Vertice3 = int.Parse(v, CultureInfo.InvariantCulture) - 1;
textureVertices.Vertice3 = !String.IsNullOrWhiteSpace(vt) ? int.Parse(vt, CultureInfo.InvariantCulture) - 1 : 0;
//vertice #4
if (data.Length <= 4)
{
polygon.Vertices.Vertice4 = polygon.Vertices.Vertice3;
textureVertices.Vertice4 = textureVertices.Vertice3;
}
else
{
this.ParseFace(data[4], out v, out vt, out vn);
polygon.Vertices.Vertice4 = int.Parse(v, CultureInfo.InvariantCulture) - 1;
textureVertices.Vertice4 = !String.IsNullOrWhiteSpace(vt) ? int.Parse(vt, CultureInfo.InvariantCulture) - 1 : 0;
}
// Textures
if (hasTexture)
{
SegaSaturnTextureCoordinates p1 = textureCoordinates[textureVertices.Vertice1];
p1.ComputeTextureCoordinates(currentMaterial.Texture.Width, currentMaterial.Texture.Height);
SegaSaturnTextureCoordinates p2 = textureCoordinates[textureVertices.Vertice2];
p2.ComputeTextureCoordinates(currentMaterial.Texture.Width, currentMaterial.Texture.Height);
SegaSaturnTextureCoordinates p3 = textureCoordinates[textureVertices.Vertice3];
p3.ComputeTextureCoordinates(currentMaterial.Texture.Width, currentMaterial.Texture.Height);
SegaSaturnTextureCoordinates p4 = textureCoordinates[textureVertices.Vertice4];
p4.ComputeTextureCoordinates(currentMaterial.Texture.Width, currentMaterial.Texture.Height);
if (p1.Hash != p2.Hash || p2.Hash != p3.Hash)
{
SegaSaturnTexture texture = SegaSaturnTexture.ConvertFrom(currentMaterial.Texture, currentMaterial.Name ?? Path.GetFileNameWithoutExtension(currentMaterial.TexturePath), p1, p2, p3, p4, textureVertices.IsTriangleMapping);
if (!dict.ContainsKey(texture.Hash))
{
texture.Name += currentPolygonData.Textures.Count.ToString();
dict.Add(texture.Hash, texture);
currentPolygonData.Textures.Add(texture);
}
attributes.SpriteIndex = currentPolygonData.Textures.FindIndex(item => item.Hash == texture.Hash);
attributes.Color = null;
}
}
currentPolygonData.Polygons.Add(polygon);
break;
default:
break;
}
}
}
if (currentPolygonData != null)
{
if (String.IsNullOrWhiteSpace(currentPolygonData.Name))
{
currentPolygonData.Name = String.Format("Unnamed{0}", toReturn.Count + 1);
}
toReturn.Add(currentPolygonData);
}
return(toReturn);
}
