ModelMaterial ExtractMaterial(object diffuse)
{
ModelMaterial ret = new ModelMaterial();
if (diffuse is common_color_or_texture_typeColor)
{
var col = (common_color_or_texture_typeColor)diffuse;
ret.DiffuseColor = new Color4((float)col.Values[0], (float)col.Values[1], (float)col.Values[2], (float)col.Values[3]);
}
else if (diffuse is common_color_or_texture_typeTexture)
{
var tex = (common_color_or_texture_typeTexture)diffuse;
ret.Texture = tex.texcoord;
}
return(ret);
}
void AddFacesFromPolyList(polylist list, mesh mesh, ModelPrim prim, Matrix4 transform)
{
string material = list.material;
source posSrc = null;
source normalSrc = null;
source uvSrc = null;
ulong stride = 0;
int posOffset = -1;
int norOffset = -1;
int uvOffset = -1;
foreach (var inp in list.input)
{
stride = Math.Max(stride, inp.offset);
switch (inp.semantic)
{
case "VERTEX":
posSrc = FindSource(mesh.source, mesh.vertices.input[0].source);
posOffset = (int)inp.offset;
break;
case "NORMAL":
normalSrc = FindSource(mesh.source, inp.source);
norOffset = (int)inp.offset;
break;
case "TEXCOORD":
uvSrc = FindSource(mesh.source, inp.source);
uvOffset = (int)inp.offset;
break;
}
}
stride += 1;
if (posSrc == null)
{
return;
}
var vcount = StrToArray(list.vcount);
var idx = StrToArray(list.p);
Vector3[] normals = null;
if (normalSrc != null)
{
var norVal = ((float_array)normalSrc.Item).Values;
normals = new Vector3[norVal.Length / 3];
for (int i = 0; i < normals.Length; i++)
{
normals[i] = new Vector3((float)norVal[i * 3 + 0], (float)norVal[i * 3 + 1], (float)norVal[i * 3 + 2]);
normals[i] = Vector3.TransformNormal(normals[i], transform);
normals[i].Normalize();
}
}
Vector2[] uvs = null;
if (uvSrc != null)
{
var uvVal = ((float_array)uvSrc.Item).Values;
uvs = new Vector2[uvVal.Length / 2];
for (int i = 0; i < uvs.Length; i++)
{
uvs[i] = new Vector2((float)uvVal[i * 2 + 0], (float)uvVal[i * 2 + 1]);
}
}
ModelFace face = new ModelFace {
MaterialID = list.material
};
if (face.MaterialID != null)
{
if (MatSymTarget.ContainsKey(list.material))
{
ModelMaterial mat = Materials.Find(m => m.ID == MatSymTarget[list.material]);
if (mat != null)
{
face.Material = mat;
}
}
}
int curIdx = 0;
foreach (var nvert in vcount)
{
if (nvert < 3 || nvert > 4)
{
throw new InvalidDataException("Only triangles and quads supported");
}
Vertex[] verts = new Vertex[nvert];
for (int j = 0; j < nvert; j++)
{
verts[j].Position = prim.Positions[idx[curIdx + posOffset + (int)stride * j]];
if (normals != null)
{
verts[j].Normal = normals[idx[curIdx + norOffset + (int)stride * j]];
}
if (uvs != null)
{
verts[j].TexCoord = uvs[idx[curIdx + uvOffset + (int)stride * j]];
}
}
switch (nvert)
{
case 3:
face.AddVertex(verts[0]);
face.AddVertex(verts[1]);
face.AddVertex(verts[2]);
break;
case 4:
face.AddVertex(verts[0]);
face.AddVertex(verts[1]);
face.AddVertex(verts[2]);
face.AddVertex(verts[0]);
face.AddVertex(verts[2]);
face.AddVertex(verts[3]);
break;
}
curIdx += (int)stride * nvert;
}
prim.Faces.Add(face);
}
ModelMaterial ExtractMaterial(object diffuse)
{
ModelMaterial ret = new ModelMaterial();
if (diffuse is common_color_or_texture_typeColor)
{
var col = (common_color_or_texture_typeColor)diffuse;
ret.DiffuseColor = new Color4((float)col.Values[0], (float)col.Values[1], (float)col.Values[2], (float)col.Values[3]);
}
else if (diffuse is common_color_or_texture_typeTexture)
{
var tex = (common_color_or_texture_typeTexture)diffuse;
ret.Texture = tex.texcoord;
}
return ret;
}
void LoadImage(ModelMaterial material)
{
var fname = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(FileName), material.Texture);
try
{
string ext = System.IO.Path.GetExtension(material.Texture).ToLower();
Bitmap bitmap = null;
switch (ext)
{
case ".jp2":
case ".j2c":
material.TextureData = File.ReadAllBytes(fname);
return;
case ".tga":
bitmap = LoadTGAClass.LoadTGA(fname);
break;
default:
bitmap = (Bitmap)Image.FromFile(fname);
break;
}
int width = bitmap.Width;
int height = bitmap.Height;
// Handle resizing to prevent excessively large images and irregular dimensions
if (!IsPowerOfTwo((uint)width) || !IsPowerOfTwo((uint)height) || width > 1024 || height > 1024)
{
var origWidth = width;
var origHieght = height;
width = ClosestPowerOwTwo(width);
height = ClosestPowerOwTwo(height);
width = width > 1024 ? 1024 : width;
height = height > 1024 ? 1024 : height;
Logger.Log("Image has irregular dimensions " + origWidth + "x" + origHieght + ". Resizing to " + width + "x" + height, Helpers.LogLevel.Info);
Bitmap resized = new Bitmap(width, height, bitmap.PixelFormat);
Graphics graphics = Graphics.FromImage(resized);
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.InterpolationMode =
InterpolationMode.HighQualityBicubic;
graphics.DrawImage(bitmap, 0, 0, width, height);
bitmap.Dispose();
bitmap = resized;
}
using (var writer = new OpenJpegDotNet.IO.Writer(bitmap))
{
material.TextureData = writer.Encode();
}
Logger.Log("Successfully encoded " + fname, Helpers.LogLevel.Info);
}
catch (Exception ex)
{
Logger.Log("Failed loading " + fname + ": " + ex.Message, Helpers.LogLevel.Warning);
}
}
void LoadImage(ModelMaterial material)
{
var fname = System.IO.Path.Combine(System.IO.Path.GetDirectoryName(FileName), material.Texture);
try
{
string ext = System.IO.Path.GetExtension(material.Texture).ToLower();
Bitmap bitmap = null;
if (ext == ".jp2" || ext == ".j2c")
{
material.TextureData = File.ReadAllBytes(fname);
return;
}
if (ext == ".tga")
{
bitmap = LoadTGAClass.LoadTGA(fname);
}
else
{
bitmap = (Bitmap)Image.FromFile(fname);
}
int width = bitmap.Width;
int height = bitmap.Height;
// Handle resizing to prevent excessively large images and irregular dimensions
if (!IsPowerOfTwo((uint)width) || !IsPowerOfTwo((uint)height) || width > 1024 || height > 1024)
{
var origWidth = width;
var origHieght = height;
width = ClosestPowerOwTwo(width);
height = ClosestPowerOwTwo(height);
width = width > 1024 ? 1024 : width;
height = height > 1024 ? 1024 : height;
Logger.Log("Image has irregular dimensions " + origWidth + "x" + origHieght + ". Resizing to " + width + "x" + height, Helpers.LogLevel.Info);
Bitmap resized = new Bitmap(width, height, bitmap.PixelFormat);
Graphics graphics = Graphics.FromImage(resized);
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
graphics.InterpolationMode =
System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
graphics.DrawImage(bitmap, 0, 0, width, height);
bitmap.Dispose();
bitmap = resized;
}
material.TextureData = OpenJPEG.EncodeFromImage(bitmap, false);
Logger.Log("Successfully encoded " + fname, Helpers.LogLevel.Info);
}
catch (Exception ex)
{
Logger.Log("Failed loading " + fname + ": " + ex.Message, Helpers.LogLevel.Warning);
}
}
