/// <summary>
/// Creates a new <see cref="ImportedGroup"/> Instance with Default Settings
/// </summary>
/// <returns>a new Container for an Imported MeshGroup</returns>
/// <remarks>
/// You should use this whenever you have to add a new Group!
/// </remarks>
protected ImportedGroup PrepareGroup()
{
ImportedGroup g = new ImportedGroup(Gmdc);
//Vertex Element-----
GmdcElement e = new GmdcElement(Gmdc);
g.Elements.Add(e);
e.Identity = ElementIdentity.Vertex;
e.BlockFormat = BlockFormat.ThreeFloat;
e.SetFormat = SetFormat.Secondary;
//Normal Element-----
e = new GmdcElement(Gmdc);
g.Elements.Add(e);
e.Identity = ElementIdentity.Normal;
e.BlockFormat = BlockFormat.ThreeFloat;
e.SetFormat = SetFormat.Normals;
//UVCoord Element-----
e = new GmdcElement(Gmdc);
g.Elements.Add(e);
e.Identity = ElementIdentity.UVCoordinate;
e.BlockFormat = BlockFormat.TwoFloat;
e.SetFormat = SetFormat.Mapping;
g.Group.PrimitiveType = PrimitiveType.Triangle;
g.Group.Opacity = 0xffffffff;
return(g);
}
/// <summary>
/// Make sure, that the Listing does NOT contain null References
/// </summary>
/// <param name="g">The current Group</param>
/// <param name="index">Index of the Element</param>
/// <param name="val">the Value you want to add</param>
void FillMissingElements(ImportedGroup g, int index, Gmdc.GmdcElementValueBase val)
{
if (val == null)
{
return;
}
for (int i = 0; i < g.Elements[index].Values.Count; i++)
{
if (g.Elements[index].Values[i] == null)
{
g.Elements[index].Values[i] = val;
}
}
}
/// <summary>
/// Add a new Value to the element with the given Index
/// </summary>
/// <param name="g">The current Group</param>
/// <param name="index">Index of the Element</param>
/// <param name="val">the Value you want to add</param>
void AddElement(ImportedGroup g, int index, object val, int slotindex)
{
if (slotindex == -1)
{
g.Elements[index].Values.Add(val);
}
else
{
while (g.Elements[index].Values.Count <= slotindex)
{
g.Elements[index].Values.Add(null);
}
g.Elements[index].Values[slotindex] = val as Gmdc.GmdcElementValueBase;
}
}
/// <summary>
/// Add the passed Group to the Gmdc
/// </summary>
/// <param name="g"></param>
protected virtual void AddGroup(ImportedGroup g)
{
for (int i = 0; i < g.Link.ReferencedElement.Count; i++)
{
GmdcElement e = g.Elements[g.Link.ReferencedElement[i]];
//foreach (GmdcElementValueBase evb in e.Values) evb *= g.Scale;
gmdc.Elements.Add(e);
g.Link.ReferencedElement[i] = gmdc.Elements.Length - 1;
}
g.Group.LinkIndex = gmdc.Links.Length;
gmdc.Links.Add(g.Link);
gmdc.Groups.Add(g.Group);
g.Link.ReferencedSize = g.Link.GetReferencedSize();
g.Link.ActiveElements = g.Link.ReferencedElement.Count;
}
/// <summary>
/// Use the Members, that wer initialized with LoadLists() to create
/// the Imported Group Data
/// </summary>
/// <param name="grps">The List that should receive the Group Data</param>
void ProcessLists(ImportedGroups grps)
{
foreach (string k in groups.Keys)
{
faces = (ArrayList)groups[k];
//ignore empty groups
if (faces.Count == 0)
{
continue;
}
ImportedGroup g = PrepareGroup();
g.Group.Name = k;
BuildGroup(g);
grps.Add(g);
}
}
/// <summary>
/// RUpdate an existing Group with the passed Group in the current Gmdc
/// </summary>
/// <param name="g"></param>
protected virtual void UpdateGroup(ImportedGroup g)
{
int index = g.Target.Index;
if (index < 0 || index >= Gmdc.Groups.Length)
{
index = Gmdc.FindGroupByName(g.Target.Name);
}
GmdcGroup grp = Gmdc.Groups[index];
GmdcLink lnk = Gmdc.Links[grp.LinkIndex];
g.Group.LinkIndex = grp.LinkIndex;
g.Group.UsedJoints = grp.UsedJoints;
for (int i = 0; i < g.Link.ReferencedElement.Count; i++)
{
GmdcElement e = g.Elements[g.Link.ReferencedElement[i]];
//foreach (GmdcElementValueBase evb in e.Values) evb *= g.Scale;
GmdcElement old = lnk.FindElementType(e.Identity);
//found an existing Element?
if (old == null)
{
gmdc.Elements.Add(e);
lnk.ReferencedElement.Add(gmdc.Elements.Length - 1);
}
else
{
int id = lnk.GetElementNr(old);
Gmdc.Elements[lnk.ReferencedElement[id]] = e;
}
}
Gmdc.Groups[index] = g.Group;
lnk.ReferencedSize = lnk.GetReferencedSize();
lnk.ActiveElements = lnk.ReferencedElement.Count;
}
/// <summary>
/// Replace an existing Group with the passed Group in the current Gmdc
/// </summary>
/// <param name="gs">List of all available Groups</param>
/// <param name="g"></param>
protected virtual void ReplaceGroup(ImportedGroups gs, ImportedGroup g)
{
int index = g.Target.Index;
if (index < 0 || index >= Gmdc.Groups.Length)
{
index = Gmdc.FindGroupByName(g.Target.Name);
}
if (index >= 0)
{
gmdc.RemoveGroup(index);
}
//make sure to update the Groups
foreach (ImportedGroup ig in gs)
{
if (ig.Target.Index > index)
{
ig.Target.Index--;
}
}
RenameGroup(g);
}
/// <summary>
/// Build a Single Group from the Member Data generated with LoadLists()
/// </summary>
/// <param name="g"></param>
/// <remarks>At this point, the faces Member contains the face List for
/// the current Group</remarks>
void BuildGroupOld(ImportedGroup g)
{
//Whenever a new Index is added, we store the index it will get in the Elements Section
//since the Faces could have diffrent indices for normals and uvcoords, we need three maps
Hashtable valias = new Hashtable();
Hashtable vnalias = new Hashtable();
Hashtable vtalias = new Hashtable();
for (int x = 0; x < faces.Count; x++)
{
GmdcElementValueThreeFloat f = (GmdcElementValueThreeFloat)faces[x];
int v = (int)f.Data[0];
int vt = (int)f.Data[1];
int vn = (int)f.Data[2];
bool newv = false;
bool newvn = false;
bool newvt = false;
if (v <= 0)
{
throw new Exception("Zero Vertex Index Found!");
}
try
{
//new Element, so add it to the Map and the List
if (!valias.ContainsKey(v))
{
ArrayList l = new ArrayList();
l.Add(g.Elements[0].Values.Count);
valias[v] = l;
AddElement(g, 0, vertices[v - 1], -1);
newv = true;
}
if (vn > 0)
{
//new Element, so add it to the Map and the List
if (!vnalias.ContainsKey(vn))
{
ArrayList l = new ArrayList();
l.Add(g.Elements[1].Values.Count);
vnalias[vn] = l;
AddElement(g, 1, normals[vn - 1], -1);
newvn = true;
}
}
if (vt > 0)
{
//new Element, so add it to the Map and the List
if (!vtalias.ContainsKey(vt))
{
ArrayList l = new ArrayList();
l.Add(g.Elements[2].Values.Count);
vtalias[vt] = l;
AddElement(g, 2, uvmaps[vt - 1], -1);
newvt = true;
}
}
//Now get a List of all position where we can find an instance of the wanted FaceItem
ArrayList lv = (ArrayList)valias[v];
if (lv == null)
{
lv = new ArrayList();
lv.Add(-1);
}
ArrayList lvn = (ArrayList)vnalias[vn];
if (lvn == null)
{
lvn = new ArrayList();
lvn.Add(-1);
}
ArrayList lvt = (ArrayList)vtalias[vt];
if (lvt == null)
{
lvt = new ArrayList();
lvt.Add(-1);
}
//We need something where als stored Indices are the same, so look for that
bool found = false;
if (faces.Count < 0x1000)
{
for (int i = 0; i < lv.Count; i++)
{
for (int j = 0; j < lvn.Count; j++)
{
for (int k = 0; k < lvt.Count; k++)
{
if (
((int)lv[i] == (int)lvn[j] || (int)lv[i] == -1 || (int)lvn[j] == -1) &&
((int)lv[i] == (int)lvt[k] || (int)lv[i] == -1 || (int)lvt[k] == -1) &&
((int)lvn[j] == (int)lvt[k] || (int)lvt[k] == -1 || (int)lvn[j] == -1)
)
{
int val = (int)lv[i];
if (val == -1)
{
val = (int)lvn[j];
}
if (val == -1)
{
val = (int)lvt[k];
}
if (val != -1)
{
g.Group.Faces.Add(val);
found = true;
}
}
}
}
}
}
//unfortunatley we did not find matching pairs, so add new Elements
if (!found)
{
if (!newv && v > 0)
{
lv.Add(g.Elements[0].Values.Count);
AddElement(g, 0, vertices[v - 1], -1);
}
if (!newvn && vn > 0)
{
lvn.Add(g.Elements[1].Values.Count);
AddElement(g, 1, normals[vn - 1], -1);
}
if (!newvt && vt > 0)
{
lvt.Add(g.Elements[2].Values.Count);
AddElement(g, 2, uvmaps[vt - 1], -1);
}
if (g.Elements[0].Values.Count != g.Elements[1].Values.Count || g.Elements[0].Values.Count != g.Elements[2].Values.Count)
{
throw new Exception("Element Lists are out of Sync");
}
g.Group.Faces.Add(g.Elements[0].Values.Count - 1);
}
}
catch (Exception ex)
{
Exception nex = new Exception("Error while creating Group List", new Exception(this.ErrorMessage, ex));
this.error = "";
throw nex;
}
}
/*int size = int.MaxValue;
* //if we have an empty map, we will not add that section to the Link Element!
* if (g.Elements[0].Values.Count>0)
* {
* g.Link.ReferencedElement.Add(0);
* size = Math.Min(size, g.Elements[0].Values.Count);
* }
* if (g.Elements[1].Values.Count>0)
* {
* g.Link.ReferencedElement.Add(1);
* size = Math.Min(size, g.Elements[1].Values.Count);
* }
* if (g.Elements[2].Values.Count>0)
* {
* g.Link.ReferencedElement.Add(2);
* size = Math.Min(size, g.Elements[2].Values.Count);
* }
*
* if (size==int.MaxValue) size=0;
* g.Link.ReferencedSize = size;
* g.Link.ActiveElements = g.Link.ReferencedElement.Count;
*
* g.Elements[0].Number = g.Elements[0].Values.Count;
* g.Elements[1].Number = g.Elements[1].Values.Count;
* g.Elements[2].Number = g.Elements[2].Values.Count;
*/
}
/// <summary>
/// Build a Single Group from the Member Data generated with LoadLists()
/// </summary>
/// <param name="g"></param>
/// <remarks>At this point, the faces Member contains the face List for
/// the current Group</remarks>
void BuildGroup(ImportedGroup g)
{
ArrayList fv = new ArrayList();
ElementAlias alias = new ElementAlias();
Hashtable facealias = new Hashtable();
g.SetKeepOrder(CanKeepOrder(faces));
BuildAliasMap(alias.V, vertices);
BuildAliasMap(alias.VN, normals);
BuildAliasMap(alias.VU, uvmaps);
//Build the Face/Element List
for (int x = 0; x < faces.Count; x++)
{
GmdcElementValueThreeFloat f = (GmdcElementValueThreeFloat)faces[x];
FaceSetCompare fc = new FaceSetCompare(alias, f.Data[0], f.Data[2], f.Data[1]);
//check if we already have this combination
object o = facealias[fc];
#if DEBUG
try
{
#endif
int c = g.Elements[0].Values.Count;
if (o == null)
{
if (fc.V >= 0)
{
int cv = -1;
if (g.KeepOrder)
{
if (f.Data[0] > 0)
{
c = (int)f.Data[0] - 1;
}
cv = c;
}
AddElement(g, 0, vertices[fc.V], cv);
AddElement(g, 1, normals[fc.VN], cv);
AddElement(g, 2, uvmaps[fc.VU], cv);
}
facealias[fc] = c;
}
else
{
c = (int)o;
}
if (fc.V >= 0 || fc.VN >= 0 || fc.VU >= 0)
{
g.Group.Faces.Add(c);
}
#if DEBUG
}
catch (Exception ex)
{
FaceSetCompare ft = new FaceSetCompare(alias, f.Data[0], f.Data[2], f.Data[1]);
Helper.ExceptionMessage(ex);
return;
}
#endif
}
if (g.KeepOrder)
{
///Make sure all slots in the Elemnts are set
FillMissingElements(g, 0, new Gmdc.GmdcElementValueThreeFloat(0, 0, 0));
FillMissingElements(g, 1, new Gmdc.GmdcElementValueThreeFloat(0, 0, 0));
FillMissingElements(g, 2, new Gmdc.GmdcElementValueTwoFloat(0, 0));
}
}
/// <summary>
/// Checks wether or not the object is already stored in the List
/// </summary>
/// <param name="item">The Object you are looking for</param>
/// <returns>true, if it was found</returns>
public bool Contains(ImportedGroup item)
{
return(base.Contains(item));
}
/// <summary>
/// remove an Element
/// </summary>
/// <param name="item">The object that should be removed</param>
public void Remove(ImportedGroup item)
{
base.Remove(item);
}
/// <summary>
/// insert a new Element
/// </summary>
/// <param name="index">The Index where the Element should be stored</param>
/// <param name="item">The object that should be inserted</param>
public void Insert(int index, ImportedGroup item)
{
base.Insert(index, item);
}
/// <summary>
/// add a new Element
/// </summary>
/// <param name="item">The object you want to add</param>
/// <returns>The index it was added on</returns>
public int Add(ImportedGroup item)
{
return(base.Add(item));
}
/// <summary>
/// set the Name of the Group to a diffrent Value and Add it to the Gmdc
/// </summary>
/// <param name="g"></param>
protected virtual void RenameGroup(ImportedGroup g)
{
g.Group.Name = g.Target.Name;
AddGroup(g);
}