private void ReadObject(ref XmlReadState state, System.Xml.XmlReader node)
{
node.Read();
var meshname = node.GetAttribute("mesh");
var me = meshes[meshname];
var ob = new ccl.Object(Client)
{
Transform = state.Transform, IsShadowCatcher = state.IsShadowCatcher
};
ob.Mesh = me;
}
private void ReadMesh(ref XmlReadState state, System.Xml.XmlReader node)
{
node.Read();
var P = node.GetAttribute("P");
var UV = node.GetAttribute("UV");
var nverts = node.GetAttribute("nverts");
var verts = node.GetAttribute("verts");
if(!state.Silent) Console.WriteLine("{0}", node);
var has_uv = !string.IsNullOrEmpty(UV);
float[] uvfloats = null;
if (has_uv)
{
uvfloats = Utilities.Instance.parse_floats(UV);
}
var pfloats = Utilities.Instance.parse_floats(P);
var nvertsints = Utilities.Instance.parse_ints(nverts);
var vertsints = Utilities.Instance.parse_ints(verts);
var ob = new ccl.Object(Client) { Transform = state.Transform };
var me = new Mesh(Client, state.Shader);
ob.Mesh = me;
me.SetVerts(ref pfloats);
var index_offset = 0;
/* count triangles */
var fc = nvertsints.Aggregate(0, (total, next) =>
next == 4 ? total + 2 : total + 1);
float[] uvs = null;
if(has_uv) uvs = new float[fc*3*2];
var uvoffs = 0;
foreach (var t in nvertsints)
{
for (var j = 0; j < t - 2; j++)
{
var v0 = vertsints[index_offset];
var v1 = vertsints[index_offset + j + 1];
var v2 = vertsints[index_offset + j + 2];
if (has_uv)
{
uvs[uvoffs] = uvfloats[index_offset*2];
uvs[uvoffs + 1] = uvfloats[index_offset*2 + 1];
uvs[uvoffs + 2] = uvfloats[(index_offset + j + 1)*2];
uvs[uvoffs + 3] = uvfloats[(index_offset + j + 1)*2 + 1];
uvs[uvoffs + 4] = uvfloats[(index_offset + j + 2)*2];
uvs[uvoffs + 5] = uvfloats[(index_offset + j + 2)*2 + 1];
uvoffs += 6;
}
me.AddTri((uint)v0, (uint)v1, (uint)v2, state.Shader, state.Smooth);
}
index_offset += t;
}
if (has_uv)
{
me.SetUvs(ref uvs);
}
}
/// <summary>
/// Upload object changes
/// </summary>
public void UploadObjectChanges()
{
// first delete objects
foreach (var ob in _objectDatabase.DeletedObjects)
{
if (ob.cob != null)
{
var cob = ob.cob;
// deleting we do (for now?) by marking object as hidden.
// we *don't* clear mesh data here, since that very mesh
// may be used elsewhere.
cob.Visibility = PathRay.Hidden;
cob.TagUpdate();
}
}
// now combine objects and meshes, creating new objects when necessary
foreach (var ob in _objectDatabase.NewOrUpdatedObjects)
{
// mesh for this object id
var mesh = _objectDatabase.FindMeshRelation(ob.meshid);
// hmm, no mesh. Oh well, lets get on with the next
if (mesh == null) continue;
// see if we already have an object here.
// update it, otherwise create new one
var cob = _objectDatabase.FindObjectRelation(ob.obid);
var newcob = cob == null;
// new object, so lets create it and record necessary stuff about it
if (newcob)
{
cob = new CclObject(_renderEngine.Client);
_objectDatabase.RecordObjectRelation(ob.obid, cob);
_objectDatabase.RecordObjectIdMeshIdRelation(ob.obid, ob.meshid);
}
// set mesh reference and other stuff
cob.Mesh = mesh;
cob.Transform = ob.Transform;
cob.IsShadowCatcher = ob.IsShadowCatcher;
cob.Visibility = ob.Visible ? (ob.IsShadowCatcher ? PathRay.Camera : PathRay.AllVisibility): PathRay.Hidden;
cob.TagUpdate();
}
}