private bool LoadTerrainQuad(QuadDesc quad, out QuadTree qt, out QuadTree waterQt, out BBox boundingBox)
{
bool flag = false;
string str = "";
if (Game.Mode == "fnv")
{
str = "meshes\\landscape\\lod\\" + this.worldspaceName + "\\" + this.worldspaceName + ".Level" + this.quadLevel.ToString() + ".X" + quad.x.ToString() + ".Y" + quad.y.ToString() + ".nif";
}
else
{
str = "meshes\\terrain\\" + this.worldspaceName + "\\" + this.worldspaceName + "." + this.quadLevel.ToString() + "." + quad.x.ToString() + "." + quad.y.ToString() + ".btr";
}
boundingBox = new BBox();
qt = (QuadTree)null;
waterQt = (QuadTree)null;
if (!File.Exists(this.gameDir + str) && !BSAArchive.FileExists(str))
{
if (this.verbose)
{
this.logFile.WriteLog("terrain file not found " + str);
}
}
else
{
//Console.WriteLine("Doing " + str);
//logFile.WriteLog("Doing " + str);
NiFile niFile = new NiFile();
niFile.Read(this.gameDir, str, logFile);
BSMultiBoundNode bsMultiBoundNode1 = (BSMultiBoundNode)niFile.GetBlockAtIndex(0);
if (bsMultiBoundNode1 != null && bsMultiBoundNode1.GetNumChildren() > 0U)
{
BSMultiBound bsMultiBound1 = (BSMultiBound)niFile.GetBlockAtIndex(bsMultiBoundNode1.GetMultiBound());
BSMultiBoundAABB bsMultiBoundAabb1 = bsMultiBound1 != null ? (BSMultiBoundAABB)niFile.GetBlockAtIndex(bsMultiBound1.GetData()) : (BSMultiBoundAABB)null;
if (bsMultiBound1 != null && bsMultiBoundAabb1 != null)
{
NiTriShape niTriShape = (NiTriShape)niFile.GetBlockAtIndex(bsMultiBoundNode1.GetChildAtIndex(0));
if (niTriShape != null)
{
NiTriShapeData data = (NiTriShapeData)niFile.GetBlockAtIndex(niTriShape.GetData());
Vector3 vector3_1 = bsMultiBoundAabb1.GetPosition() / 4;
Vector3 vector3_2 = bsMultiBoundAabb1.GetExtent() / 4;
boundingBox.Set(vector3_1[0] - vector3_2[0], vector3_1[0] + vector3_2[0], vector3_1[1] - vector3_2[1], vector3_1[1] + vector3_2[1], vector3_1[2] - vector3_2[2], vector3_1[2] + vector3_2[2]);
List<Vector3> vertices = data.GetVertices();
if (Game.Mode == "fnv")
{
for (int index = 0; index < vertices.Count; index++)
{
vertices[index] = vertices[index] / quadLevel;
}
}
List<Triangle> triangles = data.GetTriangles();
for (int index = 0; index < triangles.Count; index++)
{
Vector3 vertA = vertices[triangles[index][0]];
Vector3 vertB = vertices[triangles[index][1]];
Vector3 vertC = vertices[triangles[index][2]];
if ((vertA[0] == 0 && vertB[0] == 0 && vertC[0] == 0) || (vertA[0] == 4096 && vertB[0] == 4096 && vertC[0] == 4096) || (vertA[1] == 0 && vertB[1] == 0 && vertC[1] == 0) || (vertA[1] == 4096 && vertB[1] == 4096 && vertC[1] == 4096))
{
triangles.RemoveAt(index);
--index;
}
}
data.SetVertices(vertices);
data.SetTriangles(triangles);
qt = new QuadTree(data, quadLevel);
if (qt != null)
flag = true;
}
}
if (Game.Mode != "fnv" && this.removeUnderwaterFaces && bsMultiBoundNode1.GetNumChildren() > 1U)
{
BSMultiBoundNode bsMultiBoundNode2 = (BSMultiBoundNode)niFile.GetBlockAtIndex(bsMultiBoundNode1.GetChildAtIndex(1));
if (bsMultiBoundNode2 != null)
{
BSMultiBound bsMultiBound2 = (BSMultiBound)niFile.GetBlockAtIndex(bsMultiBoundNode2.GetMultiBound());
BSMultiBoundAABB bsMultiBoundAabb2 = (BSMultiBoundAABB)niFile.GetBlockAtIndex(bsMultiBound2.GetData());
NiTriShapeData datacombined = new NiTriShapeData();
ushort numVertices = 0;
for (int index = 0; index < bsMultiBoundNode2.GetNumChildren(); index++)
{
NiObject blockAtIndex = niFile.GetBlockAtIndex(bsMultiBoundNode2.GetChildAtIndex(index));
if (blockAtIndex != null)
{
NiTriShapeData data;
if (blockAtIndex.GetClassName() == "BSSegmentedTriShape")
{
BSSegmentedTriShape segmentedTriShape = (BSSegmentedTriShape)blockAtIndex;
data = (NiTriShapeData)niFile.GetBlockAtIndex(segmentedTriShape.GetData());
}
else
{
NiTriShape niTriShape = (NiTriShape)blockAtIndex;
data = (NiTriShapeData)niFile.GetBlockAtIndex(niTriShape.GetData());
}
if (index == 0)
{
datacombined = data;
numVertices += data.GetNumVertices();
}
else
{
datacombined.AppendVertices(data.GetVertices());
List<Triangle> triangles = new List<Triangle>(data.GetTriangles());
for (int index2 = 0; index2 < triangles.Count; ++index2)
{
triangles[index2][0] += numVertices;
triangles[index2][1] += numVertices;
triangles[index2][2] += numVertices;
}
datacombined.AppendTriangles(triangles);
numVertices += data.GetNumVertices();
}
}
}
Vector3 vector3_1 = bsMultiBoundAabb2.GetPosition() / 4;
Vector3 vector3_2 = bsMultiBoundAabb2.GetExtent() / 4;
BBox boundingBox1 = new BBox(vector3_1[0] - vector3_2[0], vector3_1[0] + vector3_2[0], vector3_1[1] - vector3_2[1], vector3_1[1] + vector3_2[1], vector3_1[2] - vector3_2[2], vector3_1[2] + vector3_2[2]);
waterQt = new QuadTree(datacombined, quadLevel);
}
}
}
}
return flag;
}
