private void BuildFace(ref SourceFace face, BspSubmeshStreams subMesh)
{
Vertex[] faceVertices = new Vertex[face.numedges];
var plane = this.planes[face.planenum];
var texture_id = this.texInfo[face.texinfo].texdata;
Float2 minUV0 = new Float2(float.MaxValue, float.MaxValue);
Float2 minUV1 = new Float2(float.MaxValue, float.MaxValue);
Float2 maxUV1 = new Float2(float.MinValue, float.MinValue);
int nextShouldBe = -1;
for (int index = 0; index < faceVertices.Length; index++)
{
var listOfEdgesIndex = face.firstedge + index;
if (listOfEdgesIndex >= this.listOfEdges.Length)
{
throw new BspFormatException(
string.Format("Edge list index {0} is out of range [0..{1}]", listOfEdgesIndex, this.listOfEdges.Length - 1));
}
var edgeIndex = this.listOfEdges[listOfEdgesIndex];
if (edgeIndex >= this.edges.Length)
{
throw new BspFormatException(
string.Format("Edge index {0} is out of range [0..{1}]", edgeIndex, this.edges.Length - 1));
}
SourceEdge edge;
if (edgeIndex >= 0)
{
edge = this.edges[edgeIndex];
}
else
{
var flippedEdge = this.edges[-edgeIndex];
edge = new SourceEdge { vertex0 = flippedEdge.vertex1, vertex1 = flippedEdge.vertex0 };
}
var edgesvertex0 = edge.vertex0;
if (edgesvertex0 >= this.vertices.Length)
{
throw new BspFormatException(
string.Format("Vertex index {0} is out of range [0..{1}]", edgesvertex0, this.vertices.Length - 1));
}
var edgesvertex1 = edge.vertex1;
if (edgesvertex1 >= this.vertices.Length)
{
throw new BspFormatException(
string.Format("Vertex index {0} is out of range [0..{1}]", edgesvertex1, this.vertices.Length - 1));
}
if (nextShouldBe >= 0 && nextShouldBe != edgesvertex0)
{
throw new BspFormatException(string.Format("Wrong edge order"));
}
nextShouldBe = edgesvertex1;
Vertex vertex;
this.BuildVertex(
this.vertices[(short)edgesvertex0],
plane.normal,
//(face.side == 0) ? plane.normal : -plane.normal,
face,
ref this.texInfo[face.texinfo],
out vertex);
faceVertices[index] = vertex;
if (minUV0.X > vertex.UV0.X)
{
minUV0.X = vertex.UV0.X;
}
if (minUV0.Y > vertex.UV0.Y)
{
minUV0.Y = vertex.UV0.Y;
}
if (minUV1.X > vertex.UV1.X)
{
minUV1.X = vertex.UV1.X;
}
if (minUV1.Y > vertex.UV1.Y)
{
minUV1.Y = vertex.UV1.Y;
}
if (maxUV1.X < vertex.UV1.X)
{
maxUV1.X = vertex.UV1.X;
}
if (maxUV1.Y < vertex.UV1.Y)
{
maxUV1.Y = vertex.UV1.Y;
}
}
if (this.textures[texture_id].name == "TOOLS/TOOLSSKYBOX")
{
minUV0.X = 0;
minUV0.Y = 0;
for (int j = 0; j < (int)face.numedges; ++j)
{
faceVertices[j].UV0 = new Float3(0, 0, 0);
}
}
int[] indices = new int[faceVertices.Length];
for (int j = 0; j < faceVertices.Length; ++j)
{
meshStreams.Positions.Add(faceVertices[j].Position);
meshStreams.Normals.Add(faceVertices[j].Normal);
meshStreams.Colors.Add(faceVertices[j].Color);
meshStreams.TexCoord0.Add(new Float2(faceVertices[j].UV0.X, faceVertices[j].UV0.Y));
meshStreams.TexCoord1.Add(new Float2(faceVertices[j].UV1.X, faceVertices[j].UV1.Y));
}
for (int j = 1; j < faceVertices.Length - 1; ++j)
{
subMesh.AddToAllStreams(indices[0]);
subMesh.AddToAllStreams(indices[j]);
subMesh.AddToAllStreams(indices[j + 1]);
}
}
private static void AddVertexToMesh(int index, BspSubmeshStreams subMesh)
{
subMesh.AddToAllStreams(index);
}
