private void _LoadBone(BlendTypeRepository repository, BlendValueCapsule bone, int parentBoneIndex, ref List <DrawSystem.BoneData> outList)
{
if (bone != null)
{
// make bone data
var name = bone.GetMember("name").GetAllValueAsString();
float length = bone.GetMember("length").GetRawValue <float>();
var offset = new Vector3()
{
X = bone.GetMember("head").GetAt(0).GetRawValue <float>(),
Y = bone.GetMember("head").GetAt(1).GetRawValue <float>(),
Z = bone.GetMember("head").GetAt(2).GetRawValue <float>(),
};
offset = BlenderUtil.ChangeCoordsSystem(offset);
var elements = new float[16];
for (int i = 0; i < 4; ++i)
{
for (int j = 0; j < 4; ++j)
{
elements[i * 4 + j] = bone.GetMember("arm_mat").GetAt(i, j).GetRawValue <float>();
}
}
var modelTrans = new Matrix(elements);
modelTrans = BlenderUtil.ChangeCoordsSystem(modelTrans);
var result = new DrawSystem.BoneData()
{
Name = name,
Parent = parentBoneIndex,
BoneTransform = modelTrans, // convert local bone transformation after
BoneOffset = Matrix.Invert(modelTrans),
Length = length,
};
outList.Add(result);
parentBoneIndex = outList.Count() - 1;
//Console.WriteLine(" found bone : " + name);
// call for children
var childBone = bone.GetMember("childbase").GetMember("first").GetRawValue <BlendAddress>().DereferenceOne();
while (childBone != null)
{
_LoadBone(repository, childBone, parentBoneIndex, ref outList);
childBone = childBone.GetMember("next").GetRawValue <BlendAddress>().DereferenceOne();
}
}
}
private bool _LoadScene(BlendTypeRepository repository, List <BlockHeaderEntity> entityList)
{
// find root
BlendValueCapsule root = entityList.Where(e => e.Name == "GLOB").Select(e => e.Children[0].Value).First();
if (root == null)
{
return(false);
}
var scene = root.GetMember("curscene").GetRawValue <BlendAddress>().DereferenceOne();
var listBase = scene.GetMember("base");
var nextBase = listBase.GetMember("first").GetRawValue <BlendAddress>().DereferenceOne();
// load mesh
while (nextBase != null)
{
var obj = nextBase.GetMember("object").GetRawValue <BlendAddress>().DereferenceOne();
if (obj != null)
{
string name = obj.GetMember("id").GetMember("name").GetAllValueAsString();
int restrictFlag = obj.GetMember("restrictflag").GetRawValue <char>();
if ((restrictFlag & 1) != 0)
{
// invisible object
}
var data = obj.GetMember("data").GetRawValue <BlendAddress>().DereferenceOne();
if (data != null && data.Type.Name == "Mesh")
{
// mesh object
Console.WriteLine("found mesh : " + name);
if (!_LoadMesh(repository, obj))
{
return(false);
}
}
var groupId = obj.GetMember("dup_group").GetRawValue <BlendAddress>().DereferenceOne();
if (groupId != null)
{
// link object
Console.WriteLine("found link obj: " + name);
var lib = groupId.GetMember("lib").GetRawValue <BlendAddress>().DereferenceOne();
var path = lib.GetMember("filepath").GetAllValueAsString();
// make layout matrix
var elements = new float[16];
for (int i = 0; i < 4; ++i)
{
for (int j = 0; j < 4; ++j)
{
elements[i * 4 + j] = obj.GetMember("obmat").GetAt(i, j).GetRawValue <float>();
}
}
var layoutTrans = new Matrix(elements);
layoutTrans = BlenderUtil.ChangeCoordsSystem(layoutTrans);
var node = new LinkNode()
{
Name = name,
Layout = layoutTrans,
TargetFileName = Path.GetFileName(path),
};
m_linkList.Add(node);
}
}
nextBase = nextBase.GetMember("next").GetRawValue <BlendAddress>().DereferenceOne();
}
return(true);
}
private void _LoadAction(BlendTypeRepository repository, BlendValueCapsule bAnimAction, ref List <AnimType.ActionData> animActionList)
{
var groupList = new List <AnimType.ActionGroupData>();
var bGroup = bAnimAction.GetMember("groups").GetMember("first").GetRawValue <BlendAddress>().DereferenceOne();
while (bGroup != null)
{
var groupData = new AnimType.ActionGroupData();
groupData.BoneName = bGroup.GetMember("name").GetAllValueAsString();
groupData.Location = AnimType.ChannelData <Vector3> .Empty();
groupData.Rotation = AnimType.ChannelData <Quaternion> .Empty();
groupData.Scale = AnimType.ChannelData <Vector3> .Empty();
//Console.WriteLine(" found anim action group : " + groupData.BoneName);
var channelList = new List <AnimType.ChannelData <float> >();
var bChannel = bGroup.GetMember("channels").GetMember("first").GetRawValue <BlendAddress>().DereferenceOne();
while (bChannel != null)
{
string boneName = "";
string propertyName = "";
var bRnaPath = bChannel.GetMember("rna_path").GetRawValue <BlendAddress>().DereferenceAll(Blender.BlendPrimitiveType.Char());
string rnaPath = Blender.ConvertUtil.CharArray2String(bRnaPath.Select(c => (object)c.GetRawValue <char>()));
if (!BlenderUtil.ParseRnaPath(rnaPath, ref boneName, ref propertyName))
{
Debug.Fail("Failed to parse rna path(" + rnaPath + ")");
return;
}
int arrayIndex = bChannel.GetMember("array_index").GetRawValue <int>();
if (boneName == groupData.BoneName)
{
//Console.WriteLine(String.Format(" {0}.{1}[{2}]", boneName, propertyName, arrayIndex));
var bBeztList = bChannel.GetMember("bezt").GetRawValue <BlendAddress>().DereferenceAll();
var channel = new AnimType.ChannelData <float>();
channel.KeyFrames = new AnimType.KeyData <float> [bBeztList.Count()];
foreach (var bBezt in bBeztList.Select((value, index) => new { value, index }))
{
float frame = bBezt.value.GetMember("vec").GetAt(1, 0).GetRawValue <float>();
float value = bBezt.value.GetMember("vec").GetAt(1, 1).GetRawValue <float>();
channel.KeyFrames[bBezt.index] = new AnimType.KeyData <float>((int)frame, value);
}
channelList.Add(channel);
}
bChannel = bChannel.GetMember("next").GetRawValue <BlendAddress>().DereferenceOne();
} // while
if (channelList.Count() == 10)
{
// channel type convertion
// location : floatx3 to Vector3
// rotation : floatx4 to Quatanion
// scale : floatx3 to Vector3
groupData.Location.KeyFrames
= channelList[0].KeyFrames
.Select((key, index) => new AnimType.KeyData <Vector3>(key.Frame, new Vector3(key.Value, channelList[1].KeyFrames[index].Value, channelList[2].KeyFrames[index].Value)))
.Select(key => { key.Value = BlenderUtil.ChangeCoordsSystem(key.Value); return(key); })
//.Select(key => { key.Frame--; return key; }) // blender frame index starts from 1
.ToArray();
groupData.Rotation.KeyFrames
= channelList[3].KeyFrames
.Select((key, index) => new AnimType.KeyData <Quaternion>(key.Frame, new Quaternion(channelList[4].KeyFrames[index].Value, channelList[5].KeyFrames[index].Value, channelList[6].KeyFrames[index].Value, key.Value)))
.Select(key => { key.Value = BlenderUtil.ChangeCoordsSystem(key.Value); return(key); })
//.Select(key => { key.Frame--; return key; }) // blender frame index starts from 1
.ToArray();
groupData.Scale.KeyFrames
= channelList[7].KeyFrames
.Select((key, index) => new AnimType.KeyData <Vector3>(key.Frame, new Vector3(key.Value, channelList[8].KeyFrames[index].Value, channelList[9].KeyFrames[index].Value)))
.Select(key => { key.Value = BlenderUtil.ChangeCoordsSystem(key.Value); return(key); })
//.Select(key => { key.Frame--; return key; }) // blender frame index starts from 1
.ToArray();
groupList.Add(groupData);
bGroup = bGroup.GetMember("next").GetRawValue <BlendAddress>().DereferenceOne();
}
else
{
Debug.Fail("unexpected the number of channels.");
return;
}
}
if (groupList.Count != 0)
{
var actionData = new AnimType.ActionData();
var actionName = bAnimAction.GetMember("id").GetMember("name").GetAllValueAsString();
actionName = actionName.Substring(2, actionName.Length - 2); // ACArmatureAction => ArmatureAction
actionData.Name = actionName;
actionData.Groups = groupList.ToArray();
animActionList.Add(actionData);
}
}
private VertexOriginal[] _CreateOriginalVertices(BlendTypeRepository repository, BlendValueCapsule mesh, int[] deformGroupIndex2BoneIndex)
{
var mpolyList = mesh.GetMember("mpoly").GetRawValue <BlendAddress>().DereferenceAll();
var mloopList = mesh.GetMember("mloop").GetRawValue <BlendAddress>().DereferenceAll();
var mloopuvList = mesh.GetMember("mloopuv").GetRawValue <BlendAddress>().DereferenceAll();
var mvertList = mesh.GetMember("mvert").GetRawValue <BlendAddress>().DereferenceAll();
var dvertList = mesh.GetMember("dvert").GetRawValue <BlendAddress>().DereferenceAll();
int capacity = mpolyList.Count() * 6; // assume that all polygons is square.
var vertices = new List <VertexOriginal>(capacity);
foreach (var mpoly in mpolyList)
{
int offset = mpoly.GetMember("loopstart").GetRawValue <int>();
int count = mpoly.GetMember("totloop").GetRawValue <int>();
short materialIndex = mpoly.GetMember("mat_nr").GetRawValue <short>();
Debug.Assert(count >= 0, "negative totloop is here!"); // todo: ref previous loop
int[] plan = null;
switch (count)
{
case 3:
plan = new int[] { offset + 2, offset + 1, offset + 0 };
break;
case 4:
// triangulation
plan = new int[] { offset + 2, offset + 1, offset, offset + 3, offset + 2, offset };
break;
default:
Debug.Fail("tutloop must be 3 or 4"); // todo: ref previous loop
break;
}
if (plan == null)
{
continue;
}
foreach (int i in plan)
{
int vIndex = mloopList[i].GetMember("v").GetRawValue <int>();
var position = mvertList[vIndex].GetMember("co");
var normal = mvertList[vIndex].GetMember("no");
VertexOriginal vertex;
vertex.Position.X = position.GetAt(0).GetRawValue <float>();
vertex.Position.Y = position.GetAt(1).GetRawValue <float>();
vertex.Position.Z = position.GetAt(2).GetRawValue <float>();
vertex.Position.W = 1;
vertex.Position = BlenderUtil.ChangeCoordsSystem(vertex.Position);
vertex.Normal.X = normal.GetAt(0).GetRawValue <short>();
vertex.Normal.Y = normal.GetAt(1).GetRawValue <short>();
vertex.Normal.Z = normal.GetAt(2).GetRawValue <short>();
vertex.Normal = BlenderUtil.ChangeCoordsSystem(vertex.Normal);
vertex.Normal.Normalize();
var uv = mloopuvList[i].GetMember("uv");
vertex.Texcoord.X = uv.GetAt(0).GetRawValue <float>();
vertex.Texcoord.Y = 1 - uv.GetAt(1).GetRawValue <float>();
vertex.Tangent = Vector3.Zero;
vertex.Binormal = Vector3.Zero;
vertex.MaterialIndex = materialIndex;
var weights = dvertList == null
? null
: dvertList[vIndex].GetMember("dw").GetRawValue <BlendAddress>().DereferenceAll();
if (weights == null || deformGroupIndex2BoneIndex == null)
{
vertex.BoneWeights = null;
vertex.BoneIndices = null;
}
else
{
// load bone weights
// bone weight can be stored 0, so we ignore this case.
//int maxWeightCount = dvertList[vIndex].GetMember("totweight").GetRawValue<int>();
var noneZeroWeightList =
weights.Select(w => new Tuple <float, int>(w.GetMember("weight").GetRawValue <float>(), w.GetMember("def_nr").GetRawValue <int>()))
.OrderByDescending(tuple => tuple.Item1) // sort by descending
.Where(tuple => tuple.Item1 > 0.0f); // ignore zero value too
int weightCount = noneZeroWeightList.Count();
vertex.BoneWeights = new float[weightCount];
vertex.BoneIndices = new uint[weightCount];
int wIndex = 0;
foreach (var tuple in noneZeroWeightList)
{
float weight = tuple.Item1;
int deformGroupIndex = tuple.Item2;
vertex.BoneWeights[wIndex] = weight;
// def_nr is NOT index of bones, but index of deform group
// we must replace to index of bones using bone-deform mapping.
vertex.BoneIndices[wIndex] = (uint)deformGroupIndex2BoneIndex[deformGroupIndex];
wIndex++;
}
}
vertices.Add(vertex);
}
}
// compute tangent and binormal
int polyCount = vertices.Count / 3;
for (int polyIndex = 0; polyIndex < polyCount; ++polyIndex)
{
var posArray = new Vector4[]
{
vertices[polyIndex * 3].Position,
vertices[polyIndex * 3 + 1].Position,
vertices[polyIndex * 3 + 2].Position,
};
var normalArray = new Vector3[]
{
vertices[polyIndex * 3].Normal,
vertices[polyIndex * 3 + 1].Normal,
vertices[polyIndex * 3 + 2].Normal,
};
var uvArray = new Vector2[]
{
vertices[polyIndex * 3].Texcoord,
vertices[polyIndex * 3 + 1].Texcoord,
vertices[polyIndex * 3 + 2].Texcoord,
};
var faceTangent = MathUtil.ComputeFaceTangent(posArray[0], posArray[1], posArray[2], uvArray[0], uvArray[1], uvArray[2]);
for (int vIndex = 0; vIndex < 3; ++vIndex)
{
// calc tangent
var normal = normalArray[vIndex];
var tangent = faceTangent;
MathUtil.Orthonormalize(ref normal, ref tangent);
// calc binormal
var binormal = Vector3.Cross(normalArray[vIndex], tangent);
//binormal.Normalize();
var oldVertex = vertices[polyIndex * 3 + vIndex];
oldVertex.Tangent = tangent;
oldVertex.Binormal = binormal;
vertices[polyIndex * 3 + vIndex] = oldVertex;
}
}
return(vertices.ToArray());
}