public void processNode()
{
Console.WriteLine($"Mesh Count " + scene.MeshCount);
Matrix4x4 identity = Matrix4x4.Identity;
if (scene.RootNode != null)
{
BuildNode(scene.RootNode, ref identity);
Console.WriteLine($"BuildNode Mesh Count " + scene.MeshCount);
}
else
{
STConsole.WriteLine("No root node found! Will default to Idenity Matrix!", Color.Red);
int Index = 0;
foreach (Mesh msh in scene.Meshes)
{
objects.Add(CreateGenericObject(null, msh, Index, Matrix4.Identity));
Index++;
}
}
}
private void CreateByNode(Node node, STSkeleton skeleton, string ParentArmatureName,
short SmoothIndex, short RigidIndex, bool IsRoot, ref Assimp.Matrix4x4 rootTransform)
{
Matrix4x4 trafo = node.Transform;
Matrix4x4 world = trafo * rootTransform;
var transformMat = AssimpHelper.TKMatrix(world);
int matchedBoneIndex = skeleton.bones.FindIndex(item => item.Name == node.Name);
if (matchedBoneIndex < 0)
{
tempBoneNodes.Add(node);
STBone bone = new STBone();
bone.skeletonParent = skeleton;
bone.RotationType = STBone.BoneRotationType.Euler;
skeleton.bones.Add(bone);
if (DaeHelper.IDMapToName.ContainsKey(node.Name))
{
bone.Text = DaeHelper.IDMapToName[node.Name];
}
else
{
bone.Text = node.Name;
}
bone.SmoothMatrixIndex = (short)skeleton.bones.IndexOf(bone);
bone.RigidMatrixIndex = -1; //Todo calculate these
if (IsRoot)
{
bone.parentIndex = -1;
if (RotateSkeleton)
{
transformMat = AssimpHelper.TKMatrix(world * Matrix4x4.FromRotationX(MathHelper.DegreesToRadians(RotateSkeletonAmount)));
}
else
{
transformMat = AssimpHelper.TKMatrix(world);
}
}
else
{
if (tempBoneNodes.Contains(node.Parent))
{
bone.parentIndex = tempBoneNodes.IndexOf(node.Parent);
}
}
var scale = transformMat.ExtractScale();
var rotation = transformMat.ExtractRotation();
var position = transformMat.ExtractTranslation();
STConsole.WriteLine($"-".Repeat(30));
STConsole.WriteLine($"Processing Bone {bone.Text}");
STConsole.WriteLine($"scale {scale}");
STConsole.WriteLine($"rotation {rotation}");
STConsole.WriteLine($"position {position}");
STConsole.WriteLine($"-".Repeat(30));
bone.FromTransform(transformMat);
}
else
{
STConsole.WriteLine($"Duplicate node name found for bone {node.Name}!", Color.Red);
}
var identity = Matrix4x4.Identity;
foreach (Node child in node.Children)
{
CreateByNode(child, skeleton, ParentArmatureName, SmoothIndex, RigidIndex, false, ref identity);
}
}
public static Animations.Animation CreateGenericAnimation(Assimp.Animation animation)
{
Animations.Animation STanim = new Animations.Animation();
STanim.Text = animation.Name;
float TicksPerSecond = animation.TicksPerSecond != 0 ? (float)animation.TicksPerSecond : 25.0f;
float Duriation = (float)animation.DurationInTicks;
STanim.FrameCount = (int)(Duriation * 30);
//Load node animations
if (animation.HasNodeAnimations)
{
var _channels = new NodeAnimationChannel[animation.NodeAnimationChannelCount];
for (int i = 0; i < _channels.Length; i++)
{
_channels[i] = new NodeAnimationChannel();
var boneAnim = new Animations.Animation.KeyNode(_channels[i].NodeName);
boneAnim.RotType = Animations.Animation.RotationType.EULER;
STanim.Bones.Add(boneAnim);
STConsole.WriteLine($"Creating Bone Anims {boneAnim.Text} ");
for (int frame = 0; frame < STanim.FrameCount; i++)
{
if (_channels[i].HasPositionKeys)
{
for (int key = 0; key < _channels[i].PositionKeyCount; key++)
{
if (frame == _channels[i].PositionKeys[key].Time)
{
boneAnim.XPOS.Keys.Add(new Animations.Animation.KeyFrame()
{
Value = _channels[i].PositionKeys[key].Value.X,
Frame = frame,
});
boneAnim.YPOS.Keys.Add(new Animations.Animation.KeyFrame()
{
Value = _channels[i].PositionKeys[key].Value.Y,
Frame = frame,
});
boneAnim.ZPOS.Keys.Add(new Animations.Animation.KeyFrame()
{
Value = _channels[i].PositionKeys[key].Value.Z,
Frame = frame,
});
}
}
}
if (_channels[i].HasRotationKeys)
{
for (int key = 0; key < _channels[i].RotationKeyCount; key++)
{
if (frame == _channels[i].RotationKeys[key].Time)
{
var quat = _channels[i].RotationKeys[key].Value;
var euler = STMath.ToEulerAngles(quat.X, quat.Y, quat.Z, quat.W);
boneAnim.XROT.Keys.Add(new Animations.Animation.KeyFrame()
{
Value = euler.X,
Frame = frame,
});
boneAnim.YROT.Keys.Add(new Animations.Animation.KeyFrame()
{
Value = euler.Y,
Frame = frame,
});
boneAnim.ZROT.Keys.Add(new Animations.Animation.KeyFrame()
{
Value = euler.Z,
Frame = frame,
});
boneAnim.WROT.Keys.Add(new Animations.Animation.KeyFrame()
{
Value = 1,
Frame = frame,
});
}
}
}
if (_channels[i].HasScalingKeys)
{
for (int key = 0; key < _channels[i].ScalingKeyCount; key++)
{
if (frame == _channels[i].ScalingKeys[key].Time)
{
boneAnim.XSCA.Keys.Add(new Animations.Animation.KeyFrame()
{
Value = _channels[i].ScalingKeys[key].Value.X,
Frame = frame,
});
boneAnim.YSCA.Keys.Add(new Animations.Animation.KeyFrame()
{
Value = _channels[i].ScalingKeys[key].Value.Y,
Frame = frame,
});
boneAnim.ZSCA.Keys.Add(new Animations.Animation.KeyFrame()
{
Value = _channels[i].ScalingKeys[key].Value.Z,
Frame = frame,
});
}
}
}
}
}
}
//Load mesh animations
if (animation.HasMeshAnimations)
{
var _meshChannels = new MeshAnimationChannel[animation.MeshAnimationChannelCount];
for (int i = 0; i < _meshChannels.Length; i++)
{
_meshChannels[i] = new MeshAnimationChannel();
}
}
return(STanim);
}