public bool CreateMesh(string filePath)
{
BXDAMesh mesh = new BXDAMesh();
mesh.ReadFromFile(filePath, null);
if (!mesh.GUID.Equals(GUID))
{
return(false);
}
List <FieldNode> remainingNodes = new List <FieldNode>(NodeGroup.EnumerateAllLeafFieldNodes());
List <KeyValuePair <BXDAMesh.BXDASubMesh, Mesh> > submeshes = new List <KeyValuePair <BXDAMesh.BXDASubMesh, Mesh> >();
List <KeyValuePair <BXDAMesh.BXDASubMesh, Mesh> > colliders = new List <KeyValuePair <BXDAMesh.BXDASubMesh, Mesh> >();
// Create all submesh objects
AuxFunctions.ReadMeshSet(mesh.meshes, delegate(int id, BXDAMesh.BXDASubMesh sub, Mesh meshu)
{
submeshes.Add(new KeyValuePair <BXDAMesh.BXDASubMesh, Mesh>(sub, meshu));
});
// Create all collider objects
AuxFunctions.ReadMeshSet(mesh.colliders, delegate(int id, BXDAMesh.BXDASubMesh sub, Mesh meshu)
{
colliders.Add(new KeyValuePair <BXDAMesh.BXDASubMesh, Mesh>(sub, meshu));
});
foreach (FieldNode node in NodeGroup.EnumerateAllLeafFieldNodes())
{
GameObject subObject = new GameObject(node.NodeID);
subObject.transform.parent = unityObject.transform;
GameObject meshObject = new GameObject(node.NodeID + "-mesh");
if (node.SubMeshID != -1)
{
KeyValuePair <BXDAMesh.BXDASubMesh, Mesh> currentSubMesh = submeshes[node.SubMeshID];
BXDAMesh.BXDASubMesh sub = currentSubMesh.Key;
Mesh meshu = currentSubMesh.Value;
meshObject.AddComponent <MeshFilter>().mesh = meshu;
meshObject.AddComponent <MeshRenderer>();
Material[] matls = new Material[meshu.subMeshCount];
for (int i = 0; i < matls.Length; i++)
{
matls[i] = sub.surfaces[i].AsMaterial();
}
meshObject.GetComponent <MeshRenderer>().materials = matls;
}
// Invert the x-axis to compensate for Unity's inverted coordinate system.
meshObject.transform.localScale = new Vector3(-1f, 1f, 1f);
// Set the rotation of the object (the x and w properties are inverted to once again compensate for Unity's differences).
meshObject.transform.localRotation = new Quaternion(-node.Rotation.X, node.Rotation.Y, node.Rotation.Z, -node.Rotation.W);
// Set the position of the object (scaled by 1/100 to match Unity's scaling correctly).
meshObject.transform.position = new Vector3(-node.Position.x * 0.01f, node.Position.y * 0.01f, node.Position.z * 0.01f);
if (GetPropertySets().ContainsKey(node.PropertySetID))
{
PropertySet currentPropertySet = GetPropertySets()[node.PropertySetID];
PropertySet.PropertySetCollider psCollider = currentPropertySet.Collider;
switch (psCollider.CollisionType)
{
case PropertySet.PropertySetCollider.PropertySetCollisionType.BOX:
PropertySet.BoxCollider psBoxCollider = (PropertySet.BoxCollider)psCollider;
BoxCollider dummyBoxCollider = meshObject.AddComponent <BoxCollider>();
subObject.transform.localRotation = meshObject.transform.localRotation;
subObject.transform.position = meshObject.transform.TransformPoint(dummyBoxCollider.center);
BBoxShape boxShape = subObject.AddComponent <BBoxShape>();
boxShape.Extents = new Vector3(
dummyBoxCollider.size.x * 0.5f * psBoxCollider.Scale.x,
dummyBoxCollider.size.y * 0.5f * psBoxCollider.Scale.y,
dummyBoxCollider.size.z * 0.5f * psBoxCollider.Scale.z);
//meshObject.AddComponent<MouseListener>();
UnityEngine.Object.Destroy(dummyBoxCollider);
break;
case PropertySet.PropertySetCollider.PropertySetCollisionType.SPHERE:
PropertySet.SphereCollider psSphereCollider = (PropertySet.SphereCollider)psCollider;
SphereCollider dummySphereCollider = meshObject.AddComponent <SphereCollider>();
subObject.transform.position = meshObject.transform.TransformPoint(dummySphereCollider.center);
BSphereShape sphereShape = subObject.AddComponent <BSphereShape>();
sphereShape.Radius = dummySphereCollider.radius * psSphereCollider.Scale;
//meshObject.AddComponent<MouseListener>();
UnityEngine.Object.Destroy(dummySphereCollider);
break;
case PropertySet.PropertySetCollider.PropertySetCollisionType.MESH:
PropertySet.MeshCollider psMeshCollider = (PropertySet.MeshCollider)psCollider;
if (psMeshCollider.Convex || currentPropertySet.Mass != 0)
{
MeshCollider dummyMeshCollider = subObject.AddComponent <MeshCollider>();
dummyMeshCollider.sharedMesh = meshObject.GetComponent <MeshFilter>().mesh;
subObject.transform.position = meshObject.transform.TransformPoint(dummyMeshCollider.bounds.center);
subObject.transform.rotation = meshObject.transform.rotation;
BConvexHullShape hullshape = subObject.AddComponent <BConvexHullShape>();
hullshape.HullMesh = AuxFunctions.GenerateCollisionMesh(meshObject.GetComponent <MeshFilter>().mesh, dummyMeshCollider.sharedMesh.bounds.center);
hullshape.GetCollisionShape().Margin = 0f;
//subObject.AddComponent<MouseListener>();
UnityEngine.Object.Destroy(dummyMeshCollider);
}
else
{
subObject.transform.position = meshObject.transform.position;
subObject.transform.rotation = meshObject.transform.rotation;
BBvhTriangleMeshShape meshShape = subObject.AddComponent <BBvhTriangleMeshShape>();
meshShape.HullMesh = meshObject.GetComponent <MeshFilter>().mesh.GetScaledCopy(-1f, 1f, 1f);
meshShape.GetCollisionShape().Margin = 0f;
}
// TODO: Find a way to implement embedded margins. See https://www.bulletphysics.org/Bullet/phpBB3/viewtopic.php?f=9&t=2358
break;
}
BRigidBody rb = subObject.AddComponent <BRigidBody>();
rb.friction = currentPropertySet.Friction * FRICTION_SCALE;
rb.mass = currentPropertySet.Mass;
if (currentPropertySet.Mass == 0)
{
rb.collisionFlags = BulletSharp.CollisionFlags.StaticObject;
}
else
{
subObject.AddComponent <Tracker>();
}
meshObject.transform.parent = subObject.transform;
}
else
{
meshObject.transform.parent = unityObject.transform;
}
}
#region Free mesh
foreach (var list in new List <BXDAMesh.BXDASubMesh>[] { mesh.meshes, mesh.colliders })
{
foreach (BXDAMesh.BXDASubMesh sub in list)
{
sub.verts = null;
sub.norms = null;
foreach (BXDAMesh.BXDASurface surf in sub.surfaces)
{
surf.indicies = null;
}
}
for (int i = 0; i < list.Count; i++)
{
list[i] = null;
}
}
mesh = null;
GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced);
#endregion
return(true);
}