private void Normalize(ref VertexPositionColorTextureNormal[] vertices, ref int[] indices)
{
for (int i = 0; i < vertices.Length; i++)
vertices[i].Normal = new Vector3(0, 0, 0);
for (int i = 0; i < indices.Length / 3; i++)
{
int index1 = indices[i * 3];
int index2 = indices[i * 3 + 1];
int index3 = indices[i * 3 + 2];
Vector3 side1 = vertices[index1].Position - vertices[index3].Position;
Vector3 side2 = vertices[index1].Position - vertices[index2].Position;
Vector3 normal = Vector3.Cross(side1, side2);
vertices[index1].Normal += normal;
vertices[index2].Normal += normal;
vertices[index3].Normal += normal;
}
for (int i = 0; i < vertices.Length; i++)
vertices[i].Normal.Normalize();
}
private VertexPositionColorTextureNormal[] CreateVertices()
{
var verts = new List <VertexPositionColorTextureNormal>();
var faces = ModelData.getFaces();
var vertices = ModelData.getVertices();
int x = 0;
foreach (var vert in vertices)
{
Color c = Color.white;
var v = new VertexPositionColorTextureNormal();
v.Position = vert;
var matchingFace = faces.FirstOrDefault(j => j.GetPoints().Any(p => p == x));
if (matchingFace != null)
{
var textureIndex = matchingFace.GetTextureIndex();
c = matchingFace.GetFaceColor();
if (textureIndex > 0)
{
// var mName = this.ModelName;
bool useTransparency = false;
// fugly
if (textureIndex == 4)
{
textureIndex = 3;
}
if (textureIndex == 18)
{
textureIndex = 17;
useTransparency = true;
}
/* var t = Game1.TextureCache.GetByIndex(textureIndex);
*
* if (t != null && !this.Textures.Contains(t))
* {
* this.Textures.Add(t);
* }
*
* if (t != null)
* {
* Color[] colors = new Color[t.Texture.Width * t.Texture.Height];
* t.Texture.GetData(colors);
*
* var newCol = colors.FirstOrDefault(col => col != Color.Transparent && col != Color.Black);
* if (newCol != Color.Transparent || c == Color.FromNonPremultiplied(0, 0, 0, 0))
* {
* c = newCol;
* if (useTransparency)
* c = new Color(c.R, c.G, c.B, 100);
* //v.Color = c;
* }
* }
*
*/
// load texture
}
//if (c == Color.FromNonPremultiplied(0, 0, 0, 0))
//{
// // c = Color.White;
//}
v.Color = c;
}
//v.Color = c;// Color.Red;
if (c == new Color(0, 0, 0, 0))
{
}
verts.Add(v);
x++;
}
var ve = verts.ToArray();
ApplyTextureCoordinates(ref ve);
return(ve);
}
private void ApplyTextureCoordinates(ref VertexPositionColorTextureNormal[] vertices)
{
var lastSize = 0;
var faces = ModelData.getFaces();
var textCoords = new Vector2[4]; // 4
textCoords[0] = new Vector2(0, 0);
textCoords[1] = new Vector2(1, 0);
textCoords[2] = new Vector2(0, 1);
textCoords[3] = new Vector2(1, 1);
var index = 0;
for (int j = 0; j < faces.Count; j++)
{
var points = faces[j].GetPoints();
var pointLen = points.Length;
for (int x = 0; x < pointLen; x++)
{
var color = faces[j].GetFaceColor();
var text = faces[j].GetTextureIndex();
if (text == -1)
vertices[points[x]].Color = color;
else
{
var texturedVertices = points.Length;
//if (texturedVertices == 4)
//{
// vertices[points[0]].TextureCoordinate = new Vector2(1, 0);
// vertices[points[1]].TextureCoordinate = new Vector2(0, 1);
// vertices[points[2]].TextureCoordinate = new Vector2(1, 1);
// vertices[points[3]].TextureCoordinate = new Vector2(0, 0);
// break;
//}
//if (texturedVertices == 3)
//{
// if (lastSize == texturedVertices)
// {
// vertices[points[0]].TextureCoordinate = new Vector2(1, 0);
// vertices[points[1]].TextureCoordinate = new Vector2(0, 1);
// vertices[points[2]].TextureCoordinate = new Vector2(1, 1);
// }
// else
// {
// vertices[points[0]].TextureCoordinate = new Vector2(0, 0);
// vertices[points[1]].TextureCoordinate = new Vector2(1, 0);
// vertices[points[2]].TextureCoordinate = new Vector2(0, 1);
// }
// break;
//}
if (texturedVertices > 0)
{
for (int i = 0; i < texturedVertices; i++)
{
vertices[points[i]].Texture = textCoords[index];
index = (index + 1) % textCoords.Length;
}
break;
}
else
{
vertices[points[x]].Texture = new Vector2(0,0);
//vertices[points[x]].TextureCoordinate = new Vector2(0, 0);
}
// apply texture?
}
}
lastSize = faces[j].GetPoints().Length;
}
// throw new NotImplementedException();
}
private VertexPositionColorTextureNormal[] CreateVertices()
{
var verts = new List<VertexPositionColorTextureNormal>();
var faces = ModelData.getFaces();
var vertices = ModelData.getVertices();
int x = 0;
foreach (var vert in vertices)
{
Color c = Color.white;
var v = new VertexPositionColorTextureNormal();
v.Position = vert;
var matchingFace = faces.FirstOrDefault(j => j.GetPoints().Any(p => p == x));
if (matchingFace != null)
{
var textureIndex = matchingFace.GetTextureIndex();
c = matchingFace.GetFaceColor();
if (textureIndex > 0)
{
// var mName = this.ModelName;
bool useTransparency = false;
// fugly
if (textureIndex == 4) textureIndex = 3;
if (textureIndex == 18)
{
textureIndex = 17;
useTransparency = true;
}
/* var t = Game1.TextureCache.GetByIndex(textureIndex);
if (t != null && !this.Textures.Contains(t))
{
this.Textures.Add(t);
}
if (t != null)
{
Color[] colors = new Color[t.Texture.Width * t.Texture.Height];
t.Texture.GetData(colors);
var newCol = colors.FirstOrDefault(col => col != Color.Transparent && col != Color.Black);
if (newCol != Color.Transparent || c == Color.FromNonPremultiplied(0, 0, 0, 0))
{
c = newCol;
if (useTransparency)
c = new Color(c.R, c.G, c.B, 100);
//v.Color = c;
}
}
*/
// load texture
}
//if (c == Color.FromNonPremultiplied(0, 0, 0, 0))
//{
// // c = Color.White;
//}
v.Color = c;
}
//v.Color = c;// Color.Red;
if (c == new Color(0, 0, 0, 0))
{
}
verts.Add(v);
x++;
}
var ve = verts.ToArray();
ApplyTextureCoordinates(ref ve);
return ve;
}
