private List <T> GetVertexData <T>(Grendgine_Collada_Source src) where T : new()
{
Grendgine_Collada_Accessor srcInfo = src.Technique_Common.Accessor;
int componentCount = srcInfo.Param.Length;
int dataCount = (int)srcInfo.Count;
List <T> values = new List <T>(dataCount);
int globalCompOffset = 0;
List <float> componentList = new List <float>();
string listString = src.Float_Array.Value_As_String;
listString = listString.Replace('\n', ' ').Trim();
componentList.AddRange(Grendgine_Collada_Parse_Utils.String_To_Float(listString));
for (int i = 0; i < dataCount; i++)
{
dynamic value = new T();
for (int comp = 0; comp < componentCount; comp++)
{
value[comp] = componentList[globalCompOffset++];
}
values.Add(value);
}
return(values);
}
public void load(Dictionary <string, DAE_Material> material_collection, DAE_Skeleton skeleton = null)
{
// Exit if mesh doesn't have all required data sources
if (_geometry.Mesh.Source.Count() < 3)
{
throw new Exception(Debug.DebugHelper.format("\t[ FAILED ] Mesh: " + _id, "Mesh must include position/normal/texcoord)"));
}
List <Vector3> temp_position = new List <Vector3>();
List <Vector3> temp_normal = new List <Vector3>();
List <Vector2> temp_uv = new List <Vector2>();
List <Vector4> temp_bone_ids;
List <Vector4> temp_bone_weights;
if (skeleton == null)
{
temp_bone_ids = null;
temp_bone_weights = null;
}
else
{
this.skeleton = skeleton;
temp_bone_ids = new List <Vector4>();
temp_bone_weights = new List <Vector4>();
}
//------------------------------------------------------
// Load Position / Normal / UV from Mesh
//------------------------------------------------------
foreach (Grendgine_Collada_Source s in _geometry.Mesh.Source)
{
Grendgine_Collada_Accessor a = s.Technique_Common.Accessor;
uint group_count = a.Count;
uint group_stride = a.Stride;
int count = s.Float_Array.Count;
float[] temp_array = s.Float_Array.Value();
for (uint i = 0; i < count; i += group_stride)
{
int v_index = (int)i / 3;
if (s.ID.Contains("position"))
{
if (skeleton != null)
{
// Add bone ids and weights to list
Vector4 ids = new Vector4();
Vector4 weights = new Vector4();
for (int w = 0; w < Math.Min(skeleton.vertex_weights[v_index].Length, 4); w++)
{
ids[w] = skeleton.vertex_weights[v_index][w].bone_id;
weights[w] = skeleton.vertex_weights[v_index][w].vertex_weight;
}
temp_bone_ids.Add(ids);
temp_bone_weights.Add(weights);
}
// Premultiply position with BSM and add to list
Vector3 vertex_position = new Vector3(temp_array[i], temp_array[i + 1], temp_array[i + 2]);
if (skeleton != null)
{
vertex_position = Vector4.Transform(new Vector4(vertex_position, 1.0f), skeleton.BSM).Xyz;
}
temp_position.Add(vertex_position);
}
else if (s.ID.Contains("normal"))
{
Vector3 vertex_normal = new Vector3(temp_array[i], temp_array[i + 1], temp_array[i + 2]);
if (skeleton != null)
{
vertex_normal = Vector3.Transform(vertex_normal, skeleton.BSM.ExtractRotation());
}
temp_normal.Add(vertex_normal);
}
else if (s.ID.Contains("map"))
{
temp_uv.Add(new Vector2(temp_array[i], 1.0f - temp_array[i + 1]));
}
}
}
//------------------------------------------------------
// Load Submeshes
//------------------------------------------------------
int polylist_counter = 0;
foreach (Grendgine_Collada_Polylist p in _geometry.Mesh.Polylist)
{
// Create new polylist
DAE_Polylist temp_polylist = new DAE_Polylist(_id + "-sub" + polylist_counter);
try
{
temp_polylist.load(p, material_collection, temp_position, temp_uv, temp_normal, temp_bone_ids, temp_bone_weights);
}
catch (Exception e)
{
throw new Exception(Debug.DebugHelper.format("\t[ FAILED ] Submesh: " + temp_polylist.id, e.Message));
}
_submeshes.Add(temp_polylist);
polylist_counter++;
}
temp_position.Clear();
temp_normal.Clear();
temp_uv.Clear();
if (skeleton != null)
{
temp_bone_ids.Clear();
}
if (skeleton != null)
{
temp_bone_weights.Clear();
}
}
