private void BindMesh(ModelEntity modelEntity, int index, Matrix4?matrix = null, TextureBinder textureBinder = null, bool updateMeshData = true)
{
var mesh = GetMesh(index);
if (mesh == null)
{
return;
}
if (updateMeshData)
{
var numTriangles = modelEntity.Triangles.Length;
var elementCount = numTriangles * 3 * 3;
var baseIndex = 0;
var positionList = new float[elementCount];
var normalList = new float[elementCount];
var colorList = new float[elementCount];
var uvList = new float[elementCount];
for (var t = 0; t < numTriangles; t++)
{
var triangle = modelEntity.Triangles[t];
for (var i = 0; i < 3; i++)
{
var index1 = baseIndex++;
var index2 = baseIndex++;
var index3 = baseIndex++;
var vertex = triangle.Vertices[i];
positionList[index1] = vertex.X;
positionList[index2] = vertex.Y;
positionList[index3] = vertex.Z;
var normal = triangle.Normals[i];
normalList[index1] = normal.X;
normalList[index2] = normal.Y;
normalList[index3] = normal.Z;
var color = triangle.Colors[i];
colorList[index1] = color.R;
colorList[index2] = color.G;
colorList[index3] = color.B;
var uv = triangle.Uv[i];
uvList[index1] = uv.X;
uvList[index2] = uv.Y;
uvList[index3] = uv.Z;
}
}
mesh.SetData(numTriangles * 3, positionList, normalList, colorList, uvList);
}
mesh.WorldMatrix = matrix ?? modelEntity.WorldMatrix;
if (textureBinder != null)
{
mesh.Texture = modelEntity.Texture != null?textureBinder.GetTexture(modelEntity.TexturePage) : 0;
}
}
private void BindMesh(ModelEntity modelEntity, Matrix4?matrix = null, TextureBinder textureBinder = null, bool updateMeshData = true, Vector3[] initialVertices = null, Vector3[] initialNormals = null, Vector3[] finalVertices = null, Vector3[] finalNormals = null, float?interpolator = null)
{
if (!modelEntity.Visible)
{
return;
}
var mesh = GetMesh(_modelIndex++);
if (mesh == null)
{
return;
}
//var rootEntity = modelEntity.ParentEntity as RootEntity; //todo
mesh.WorldMatrix = matrix ?? modelEntity.WorldMatrix;
if (updateMeshData)
{
var numTriangles = modelEntity.Triangles.Length;
var elementCount = numTriangles * 3 * 3;
var baseIndex = 0;
var positionList = new float[elementCount];
var normalList = new float[elementCount];
var colorList = new float[elementCount];
var uvList = new float[elementCount];
for (var t = 0; t < numTriangles; t++)
{
var lastVertex = Vector3.Zero;
var lastNormal = Vector3.Zero;
var lastColor = Color.White;
var lastUv = Vector3.Zero;
var triangle = modelEntity.Triangles[t];
for (var i = 0; i < 3; i++)
{
var index1 = baseIndex++;
var index2 = baseIndex++;
var index3 = baseIndex++;
var sourceVertex = triangle.Vertices[i];
if (triangle.AttachedIndices != null)
{
var attachedIndex = triangle.AttachedIndices[i];
if (attachedIndex != uint.MaxValue)
{
if (!_scene.AutoAttach)
{
sourceVertex = new Vector3(DiscardValue, DiscardValue, DiscardValue);
}
}
}
Vector3 vertex;
if (_scene.VibRibbonWireframe && i == 2)
{
vertex = lastVertex;
}
else
{
if (initialVertices != null && finalVertices != null && triangle.OriginalVertexIndices[i] < finalVertices.Length)
{
var initialVertex = sourceVertex + initialVertices[triangle.OriginalVertexIndices[i]];
var finalVertex = sourceVertex + finalVertices[triangle.OriginalVertexIndices[i]];
vertex = Vector3.Lerp(initialVertex, finalVertex, interpolator.GetValueOrDefault());
}
else
{
vertex = sourceVertex;
}
}
positionList[index1] = vertex.X;
positionList[index2] = vertex.Y;
positionList[index3] = vertex.Z;
Vector3 normal;
if (_scene.VibRibbonWireframe && i == 2)
{
normal = lastNormal;
}
else
{
if (initialNormals != null && finalNormals != null && triangle.OriginalNormalIndices[i] < finalNormals.Length)
{
var initialNormal = triangle.Normals[i] + initialNormals[triangle.OriginalNormalIndices[i]] / 4096f;
var finalNormal = triangle.Normals[i] + finalNormals[triangle.OriginalNormalIndices[i]] / 4096f;
normal = Vector3.Lerp(initialNormal, finalNormal, interpolator.GetValueOrDefault());
}
else
{
normal = triangle.Normals[i];
}
}
normalList[index1] = normal.X;
normalList[index2] = normal.Y;
normalList[index3] = normal.Z;
Color color;
if (_scene.VibRibbonWireframe && i == 2)
{
color = lastColor;
}
else
{
color = triangle.Colors[i];
}
colorList[index1] = color.R;
colorList[index2] = color.G;
colorList[index3] = color.B;
Vector3 uv;
if (_scene.VibRibbonWireframe && i == 2)
{
uv = lastUv;
}
else
{
uv = triangle.Uv[i];
}
uvList[index1] = uv.X;
uvList[index2] = uv.Y;
uvList[index3] = uv.Z;
lastVertex = vertex;
lastNormal = normal;
lastColor = color;
lastUv = uv;
}
}
mesh.SetData(numTriangles * 3, positionList, normalList, colorList, uvList);
}
if (textureBinder != null)
{
mesh.Texture = modelEntity.Texture != null?textureBinder.GetTexture((int)modelEntity.TexturePage) : 0;
}
}
public void BindCube(Matrix4 matrix, Color color, Vector3 center, Vector3 size, int index, TextureBinder textureBinder = null, bool updateMeshData = true)
{
var mesh = GetMesh(index);
if (mesh == null)
{
return;
}
if (updateMeshData)
{
const int numTriangles = 12;
const int elementCount = numTriangles * 3 * 3;
var baseIndex = 0;
var positionList = new float[elementCount];
var normalList = new float[elementCount];
var colorList = new float[elementCount];
var uvList = new float[elementCount];
var vertices = new[]
{
center.X - size.X, center.Y - size.Y, center.Z - size.Z,
center.X - size.X, center.Y - size.Y, center.Z + size.Z,
center.X + size.X, center.Y - size.Y, center.Z + size.Z,
center.X - size.X, center.Y - size.Y, center.Z - size.Z,
center.X + size.X, center.Y - size.Y, center.Z + size.Z,
center.X + size.X, center.Y - size.Y, center.Z - size.Z,
center.X - size.X, center.Y + size.Y, center.Z - size.Z,
center.X + size.X, center.Y + size.Y, center.Z - size.Z,
center.X + size.X, center.Y + size.Y, center.Z + size.Z,
center.X - size.X, center.Y + size.Y, center.Z - size.Z,
center.X + size.X, center.Y + size.Y, center.Z + size.Z,
center.X - size.X, center.Y + size.Y, center.Z + size.Z,
center.X + size.X, center.Y - size.Y, center.Z + size.Z,
center.X - size.X, center.Y - size.Y, center.Z + size.Z,
center.X - size.X, center.Y + size.Y, center.Z + size.Z,
center.X + size.X, center.Y - size.Y, center.Z + size.Z,
center.X - size.X, center.Y + size.Y, center.Z + size.Z,
center.X + size.X, center.Y + size.Y, center.Z + size.Z,
center.X - size.X, center.Y - size.Y, center.Z - size.Z,
center.X + size.X, center.Y - size.Y, center.Z - size.Z,
center.X + size.X, center.Y + size.Y, center.Z - size.Z,
center.X - size.X, center.Y - size.Y, center.Z - size.Z,
center.X + size.X, center.Y + size.Y, center.Z - size.Z,
center.X - size.X, center.Y + size.Y, center.Z - size.Z,
center.X + size.X, center.Y - size.Y, center.Z - size.Z,
center.X + size.X, center.Y - size.Y, center.Z + size.Z,
center.X + size.X, center.Y + size.Y, center.Z + size.Z,
center.X + size.X, center.Y - size.Y, center.Z - size.Z,
center.X + size.X, center.Y + size.Y, center.Z + size.Z,
center.X + size.X, center.Y + size.Y, center.Z - size.Z,
center.X - size.X, center.Y - size.Y, center.Z + size.Z,
center.X - size.X, center.Y - size.Y, center.Z - size.Z,
center.X - size.X, center.Y + size.Y, center.Z - size.Z,
center.X - size.X, center.Y - size.Y, center.Z + size.Z,
center.X - size.X, center.Y + size.Y, center.Z - size.Z,
center.X - size.X, center.Y + size.Y, center.Z + size.Z
};
for (var t = 0; t < numTriangles; t++)
{
for (var i = 0; i < 3; i++)
{
var index1 = baseIndex++;
var index2 = baseIndex++;
var index3 = baseIndex++;
positionList[index1] = vertices[index1];
positionList[index2] = vertices[index2];
positionList[index3] = vertices[index3];
normalList[index1] = 0f;
normalList[index2] = 0f;
normalList[index3] = 0f;
colorList[index1] = color.R;
colorList[index2] = color.G;
colorList[index3] = color.B;
uvList[index1] = 0f;
uvList[index2] = 0f;
uvList[index3] = 0f;
}
}
mesh.SetData(numTriangles * 3, positionList, normalList, colorList, uvList);
}
mesh.WorldMatrix = matrix;
if (textureBinder != null)
{
mesh.Texture = textureBinder.GetTexture(0);
}
}