protected Area ReadArea(Stream ms)
{
var currentZone = new Area {Content = new AreaContent()};
var buffer = new byte[4];
ms.AssertAreaMagic();
ms.Read(buffer, 0, buffer.Length);
int zoneDataVersion = BitConverter.ToInt32(buffer, 0);
if (zoneDataVersion != 2)
throw new InvalidDataException("Zone data version != 2 not supported!");
ms.Read(buffer, 0, buffer.Length);
currentZone.Id = BitConverter.ToInt32(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
int idStrLen = BitConverter.ToInt32(buffer, 0);
var idStrBuffer = new byte[Utils.RoundToNextDivBy4(idStrLen)];
ms.Read(idStrBuffer, 0, idStrBuffer.Length);
currentZone.Name = Encoding.UTF8.GetString(idStrBuffer).TrimEnd('\0');
ms.AssertAreaMagic();
var attachmentPt = new Point3D();
ms.Read(buffer, 0, buffer.Length);
attachmentPt.X = BitConverter.ToSingle(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
attachmentPt.Y = BitConverter.ToSingle(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
attachmentPt.Z = BitConverter.ToSingle(buffer, 0);
currentZone.AttachmentPoint = attachmentPt;
ms.AssertAreaMagic();
ms.Read(buffer, 0, buffer.Length);
var subParts = BitConverter.ToInt32(buffer, 0);
for (int sp = 0; sp < subParts; sp++)
{
var aced = new AreaClipped();
ms.Read(buffer, 0, buffer.Length);
aced.StartTriangle = BitConverter.ToInt32(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
aced.TriangleCount = BitConverter.ToInt32(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
aced.StartVertex = BitConverter.ToInt32(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
aced.VertexCount = BitConverter.ToInt32(buffer, 0);
currentZone.Content.ClippedAreas.Add(aced);
}
ms.AssertAreaMagic();
ms.Read(buffer, 0, buffer.Length);
currentZone.Content.BorderTriangle.StartTriangle = BitConverter.ToInt32(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
currentZone.Content.BorderTriangle.TriangleCount = BitConverter.ToInt32(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
currentZone.Content.BorderTriangle.StartVertex = BitConverter.ToInt32(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
currentZone.Content.BorderTriangle.VertexCount = BitConverter.ToInt32(buffer, 0);
ms.AssertAreaMagic();
ms.Read(buffer, 0, buffer.Length);
currentZone.Content.BorderVertex.StartVertex = BitConverter.ToInt32(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
currentZone.Content.BorderVertex.VertexCount = BitConverter.ToInt32(buffer, 0);
ms.AssertAreaMagic();
ms.Read(buffer, 0, buffer.Length);
int vertexCount = BitConverter.ToInt32(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
int trianglesCount = BitConverter.ToInt32(buffer, 0);
for (int v = 0; v < vertexCount; v++)
{
var curVertex = new AreaVertex();
ms.Read(buffer, 0, buffer.Length);
curVertex.X = BitConverter.ToSingle(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
curVertex.Y = BitConverter.ToSingle(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
curVertex.Z = BitConverter.ToSingle(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
curVertex.W = BitConverter.ToSingle(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
curVertex.Center = BitConverter.ToSingle(buffer, 0);
currentZone.Content.Vertices.Add(curVertex);
}
ms.AssertAreaMagic();
for (int f = 0; f < trianglesCount; f++)
{
var currentTriangle = new MeshTriangularFace();
ms.Read(buffer, 0, buffer.Length);
currentTriangle.Point1 = BitConverter.ToInt32(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
currentTriangle.Point2 = BitConverter.ToInt32(buffer, 0);
ms.Read(buffer, 0, buffer.Length);
currentTriangle.Point3 = BitConverter.ToInt32(buffer, 0);
currentZone.Content.Triangles.Add(currentTriangle);
}
ms.AssertAreaMagic();
ms.Seek(4, SeekOrigin.Current);
ms.AssertAreaMagic();
ms.Read(buffer, 0, buffer.Length);
if (BitConverter.ToUInt32(buffer, 0) != 809782853)
throw new InvalidDataException("END0 expected!");
return currentZone;
}
public static AreaContent getFromOutline(List<AreaVertex> outline)
{
var content = new AreaContent();
if (!isRightHanded(outline))
{
outline.Reverse();
}
outline=outline.Select(x => { x.Center = 1; return x; }).ToList();
content.Vertices.AddRange(outline);
//var bottomRing = new List<AreaVertex>(outline);
var bottomRing = outline.Select(x => {
var y = new AreaVertex();
y.X = x.X;
y.Y = x.Y;
y.Z = x.Z;
y.W = x.W;
y.Center = 0;
return y; }).ToList();
content.Vertices.AddRange(bottomRing);
var innerRing = getInnerRing(outline);
content.Vertices.AddRange(innerRing);
var triangles = getTriangles(outline, 0, outline.Count - 1);
content.Triangles.AddRange(triangles);
var borderTriangles = getBorderTriangles(outline.Count);
content.Triangles.AddRange(borderTriangles);
AreaClipped ac = new AreaClipped();
ac.StartTriangle = 0;
ac.StartVertex = 0;
ac.TriangleCount = triangles.Count;
ac.VertexCount = outline.Count;
//ac.TriangleCount = content.Triangles.Count;
//ac.VertexCount = content.Vertices.Count;
content.ClippedAreas.Add(ac);
AreaClipped ac2 = new AreaClipped();
content.ClippedAreas.Add(ac2);
AreaClipped bt = new AreaClipped();
bt.StartTriangle = triangles.Count;
bt.StartVertex = outline.Count;
bt.TriangleCount = borderTriangles.Count;
bt.VertexCount = 2 * outline.Count;
content.BorderTriangle = bt;
AreaClipped bv = new AreaClipped();
bv.StartTriangle = 0;
bv.StartVertex = 2*outline.Count;
bv.TriangleCount = 0;
bv.VertexCount = outline.Count;
content.BorderVertex = bv;
//Console.Write("vertices=[");
//var scen = content;
/*foreach (var v in scen.Vertices)
{
Console.WriteLine("{0:G},{1:G},{2:G};", (int)v.X, (int)v.Y, (int)v.Center);
}
Console.WriteLine("]");
Console.Write("tri=[");
foreach (var v in scen.Triangles)
{
Console.WriteLine("{0},{1},{2};", (int)v.Point1, (int)v.Point2, (int)v.Point3);
}
Console.WriteLine("]");
Console.WriteLine("bt=[{0:G},{1:G},{2:G},{3:G}]", scen.BorderTriangle.StartTriangle, scen.BorderTriangle.StartVertex, scen.BorderTriangle.TriangleCount, scen.BorderTriangle.VertexCount);
Console.WriteLine("bv=[{0:G},{1:G},{2:G},{3:G}]", scen.BorderVertex.StartTriangle, scen.BorderVertex.StartVertex, scen.BorderVertex.TriangleCount, scen.BorderVertex.VertexCount);
var k = 0;
foreach (var a in scen.ClippedAreas)
{
Console.WriteLine("t{4}=[{0:G},{1:G},{2:G},{3:G}]", a.StartTriangle, a.StartVertex, a.TriangleCount, a.VertexCount, k++);
}
*/
return content;
}