public Sim(Matrix WorldMatrix)
{
m_WorldMat = WorldMatrix;
SimSkeleton = new Skeleton();
SimSkeleton.Read(ContentManager.GetResourceFromLongID(0x100000005));
SimSkeleton.ComputeBonePositions(SimSkeleton.RootBone, m_WorldMat);
}
/// <summary>
/// Processes the loaded mesh's data and populates an array of
/// VertexPositionNormalTexture elements that can be looped to
/// render the mesh. Assumes that TransformVertices2() and
/// BlendVertices2() has been called for bodymeshes!
/// </summary>
public void ProcessMesh(Skeleton Skel, bool IsHeadMesh)
{
VertexPositionNormalTexture[] NormVerticies = new VertexPositionNormalTexture[TotalVertexCount];
for (int i = 0; i < TotalVertexCount; i++)
{
NormVerticies[i] = new VertexPositionNormalTexture();
NormVerticies[i].Position.X = TransformedVertices[i].Vertex.Coord.X;
NormVerticies[i].Position.Y = TransformedVertices[i].Vertex.Coord.Y;
NormVerticies[i].Position.Z = TransformedVertices[i].Vertex.Coord.Z;
NormVerticies[i].Normal.X = TransformedVertices[i].Vertex.NormalCoord.X;
NormVerticies[i].Normal.Y = TransformedVertices[i].Vertex.NormalCoord.Y;
NormVerticies[i].Normal.Z = TransformedVertices[i].Vertex.NormalCoord.Z;
if (IsHeadMesh)
{
//Transform the head vertices' position by the absolute transform
//for the headbone (which is always bone 17) to render the head in place.
NormVerticies[i].Position = Vector3.Transform(Vertex[i].Vertex.Coord,
Skel.Bones[16].AbsoluteMatrix);
//Transform the head normals' position by the absolute transform
//for the headbone (which is always bone 17) to render the head in place.
NormVerticies[i].Normal = Vector3.Transform(Vertex[i].Vertex.NormalCoord,
Skel.Bones[16].AbsoluteMatrix);
}
}
for (int i = 0; i < RealVertexCount; i++)
{
NormVerticies[i].TextureCoordinate.X = TransformedVertices[i].Vertex.TextureCoord.X;
NormVerticies[i].TextureCoordinate.Y = TransformedVertices[i].Vertex.TextureCoord.Y;
}
m_VertexNTexPositions = NormVerticies;
}
/// <summary>
/// Advances the frame of an animation for a skeleton used on this mesh.
/// </summary>
/// <param name="Skel">A skeleton used to render this mesh.</param>
/// <param name="Animation">The animation to advance.</param>
/// <param name="AnimationTime">The playback time for an animation (how long has it been playing for?)</param>
/// <param name="TimeDelta">The timedelta of the rendering loop.</param>
public void AdvanceFrame(ref Skeleton Skel, Anim Animation, ref float AnimationTime, float TimeDelta)
{
float Duration = (float)Animation.Motions[0].NumFrames / 30;
AnimationTime += TimeDelta;
AnimationTime = AnimationTime % Duration; //Loop the animation
for (int i = 0; i < Animation.Motions.Count; i++)
{
int BoneIndex = Skel.FindBone(Animation.Motions[i].BoneName, i);
if (BoneIndex == -1)
continue;
int Frame = (int)(AnimationTime * 30);
float FractionShown = AnimationTime * 30 - Frame;
int NextFrame = (Frame + 1 != Animation.Motions[0].NumFrames) ? Frame + 1 : 0;
if (Animation.Motions[i].HasTranslation == 1)
{
Vector3 Translation = new Vector3(Animation.Motions[i].Translations[Frame, 0],
Animation.Motions[i].Translations[Frame, 1], Animation.Motions[i].Translations[Frame, 2]);
Vector3 NextTranslation = new Vector3(Animation.Motions[i].Translations[NextFrame, 0],
Animation.Motions[i].Translations[NextFrame, 1], Animation.Motions[i].Translations[NextFrame, 2]);
Vector3 UpdatedTranslation = new Vector3();
UpdatedTranslation.X = (1 - FractionShown) * Translation.X + FractionShown * NextTranslation.X;
UpdatedTranslation.Y = (1 - FractionShown) * Translation.Y + FractionShown * NextTranslation.Y;
UpdatedTranslation.Z = (1 - FractionShown) * Translation.Z + FractionShown * NextTranslation.Z;
Skel.Bones[BoneIndex].Translation = UpdatedTranslation;
}
if (Animation.Motions[i].HasRotation == 1)
{
Quaternion Rotation = new Quaternion(Animation.Motions[i].Rotations[Frame, 0],
Animation.Motions[i].Rotations[Frame, 1], Animation.Motions[i].Rotations[Frame, 2],
Animation.Motions[i].Rotations[Frame, 3]);
Quaternion NextRotation = new Quaternion(Animation.Motions[i].Rotations[NextFrame, 0],
Animation.Motions[i].Rotations[NextFrame, 1], Animation.Motions[i].Rotations[NextFrame, 2],
Animation.Motions[i].Rotations[NextFrame, 3]);
//Use Slerp to interpolate
float W1, W2 = 1.0f;
float CosTheta = DotProduct(Rotation, NextRotation);
if (CosTheta < 0)
{
CosTheta *= -1;
W2 *= -1;
}
float Theta = (float)Math.Acos(CosTheta);
float SinTheta = (float)Math.Sin(Theta);
if (SinTheta > 0.001f)
{
W1 = (float)Math.Sin((1.0f - FractionShown) * Theta) / SinTheta;
W2 *= (float)Math.Sin(FractionShown * Theta) / SinTheta;
}
else
{
W1 = 1.0f - FractionShown;
W2 = FractionShown;
}
Quaternion UpdatedRotation = new Quaternion();
UpdatedRotation.X = W1 * Rotation.X + W2 * NextRotation.X;
UpdatedRotation.Y = W1 * Rotation.Y + W2 * NextRotation.Y;
UpdatedRotation.Z = W1 * Rotation.Z + W2 * NextRotation.Z;
UpdatedRotation.W = W1 * Rotation.W + W2 * NextRotation.W;
Skel.Bones[BoneIndex].Rotation.X = UpdatedRotation.X;
Skel.Bones[BoneIndex].Rotation.Y = UpdatedRotation.Y;
Skel.Bones[BoneIndex].Rotation.Z = UpdatedRotation.Z;
Skel.Bones[BoneIndex].Rotation.W = UpdatedRotation.W;
}
}
}
/// <summary>
/// Transforms the vertices in a mesh to their location in 3D-space based on
/// the location of a bone.
/// </summary>
/// <param name="Bne">The bone to start with (should be a skeleton's ROOT bone).</param>
/// <param name="Effect">The BasicEffect instance used for rendering.</param>
public void TransformVertices2(ref Skeleton Skel, Bone Bne, ref Matrix World)
{
int BoneIndex = 0;
Matrix WorldMat = World * Bne.AbsoluteTransform;
for (BoneIndex = 0; BoneIndex < m_BndCount; BoneIndex++)
{
if (Bne.BoneName == m_BoneNames[m_BoneBindings[BoneIndex].BoneIndex])
break;
}
if (BoneIndex < m_BndCount)
{
for (int i = 0; i < m_BoneBindings[BoneIndex].VertexCount; i++)
{
int VertexIndex = m_BoneBindings[BoneIndex].FirstVertex + i;
Vector3 RelativeVertex = new Vector3(m_VertexData[VertexIndex, 0],
m_VertexData[VertexIndex, 1], m_VertexData[VertexIndex, 2]);
Vector3 RelativeNormal = new Vector3(m_VertexData[VertexIndex, 3],
m_VertexData[VertexIndex, 4], m_VertexData[VertexIndex, 5]);
WorldMat *= Matrix.CreateTranslation(RelativeVertex);
m_TransformedVertices[VertexIndex].Coord.X = WorldMat.M41;
m_TransformedVertices[VertexIndex].Coord.Y = WorldMat.M42;
m_TransformedVertices[VertexIndex].Coord.Z = WorldMat.M43;
WorldMat *= Matrix.CreateTranslation(new Vector3(-RelativeVertex.X,
-RelativeVertex.Y, -RelativeVertex.Z));
WorldMat *= Matrix.CreateTranslation(RelativeNormal);
m_TransformedVertices[VertexIndex].Normal.X = WorldMat.M41;
m_TransformedVertices[VertexIndex].Normal.Y = WorldMat.M42;
m_TransformedVertices[VertexIndex].Normal.Z = WorldMat.M43;
WorldMat *= Matrix.CreateTranslation(new Vector3(-RelativeNormal.X,
-RelativeNormal.Y, -RelativeNormal.Z));
}
for (int i = 0; i < m_BoneBindings[BoneIndex].BlendedVertexCount; i++)
{
int VertexIndex = m_RealVertexCount + m_BoneBindings[BoneIndex].FirstBlendedVert + i;
Vector3 RelativeVertex = new Vector3(m_VertexData[VertexIndex, 0],
m_VertexData[VertexIndex, 1], m_VertexData[VertexIndex, 2]);
Vector3 RelativeNormal = new Vector3(m_VertexData[VertexIndex, 3],
m_VertexData[VertexIndex, 4], m_VertexData[VertexIndex, 5]);
WorldMat *= Matrix.CreateTranslation(RelativeVertex);
m_TransformedVertices[VertexIndex].Coord.X = WorldMat.M41;
m_TransformedVertices[VertexIndex].Coord.Y = WorldMat.M42;
m_TransformedVertices[VertexIndex].Coord.Z = WorldMat.M43;
WorldMat *= Matrix.CreateTranslation(new Vector3(-RelativeVertex.X,
-RelativeVertex.Y, -RelativeVertex.Z));
WorldMat *= Matrix.CreateTranslation(RelativeNormal);
m_TransformedVertices[VertexIndex].Normal.X = WorldMat.M41;
m_TransformedVertices[VertexIndex].Normal.Y = WorldMat.M42;
m_TransformedVertices[VertexIndex].Normal.Z = WorldMat.M43;
WorldMat *= Matrix.CreateTranslation(new Vector3(-RelativeNormal.X,
-RelativeNormal.Y, -RelativeNormal.Z));
}
}
if (Bne.NumChildren == 1)
TransformVertices2(ref Skel, Skel.Bones[Bne.Children[0]], ref World);
else if (Bne.NumChildren > 1)
{
for (int i = 0; i < Bne.NumChildren; i++)
TransformVertices2(ref Skel, Skel.Bones[Bne.Children[i]], ref World);
}
}
/// <summary>
/// Processes the loaded mesh's data and populates an array of
/// VertexPositionNormalTexture elements that can be looped to
/// render the mesh. Assumes that TransformVertices2() and
/// BlendVertices2() has been called for bodymeshes!
/// </summary>
public void ProcessMesh(Skeleton Skel)
{
VertexPositionNormalTexture[] NormVerticies = new VertexPositionNormalTexture[m_TotalVertexCount];
if (!IsBodyMesh)
{
for (int i = 0; i < m_TotalVertexCount; i++)
{
NormVerticies[i] = new VertexPositionNormalTexture();
//Transform the head vertices' position by the absolute transform
//for the headbone (which is always bone 17) to render the head in place.
NormVerticies[i].Position = Vector3.Transform(new Vector3(m_VertexData[i, 0],
m_VertexData[i, 1], m_VertexData[i, 2]), Skel.Bones[16].AbsoluteTransform);
//Transform the head normals' position by the absolute transform
//for the headbone (which is always bone 17) to render the head in place.
NormVerticies[i].Normal = Vector3.Transform(new Vector3(m_VertexData[i, 3],
m_VertexData[i, 4], m_VertexData[i, 5]), Skel.Bones[16].AbsoluteTransform);
//Not really sure why this is important, but I think it has something to do
//with being able to see the texture.
//NormVerticies[i].Normal.Normalize();
}
}
else
{
for (int i = 0; i < m_TotalVertexCount; i++)
{
NormVerticies[i] = new VertexPositionNormalTexture();
NormVerticies[i].Position.X = m_TransformedVertices[i].Coord.X;
NormVerticies[i].Position.Y = m_TransformedVertices[i].Coord.Y;
NormVerticies[i].Position.Z = m_TransformedVertices[i].Coord.Z;
NormVerticies[i].Normal.X = m_TransformedVertices[i].Normal.X;
NormVerticies[i].Normal.Y = m_TransformedVertices[i].Normal.Y;
NormVerticies[i].Normal.Z = m_TransformedVertices[i].Normal.Z;
}
}
for (int i = 0; i < m_RealVertexCount; i++)
{
NormVerticies[i].TextureCoordinate.X = m_TexVerticies[i, 1];
NormVerticies[i].TextureCoordinate.Y = m_TexVerticies[i, 2];
}
m_VertexNTexPositions = NormVerticies;
}
public Bone(Skeleton Skel)
{
m_Skel = Skel;
}
/// <summary>
/// User clicked on an item in the list containing available heads.
/// </summary>
private void LstBodies_SelectedIndexChanged(object sender, EventArgs e)
{
if (m_Skeleton == null)
m_Skeleton = new Skeleton(this.Device, ContentManager.GetResourceFromLongID(0x100000005), mWorldMat);
string SelectedStr = (string)LstBodies.SelectedItem;
string Type = SelectedStr.Split(":".ToCharArray())[0];
SelectedStr = SelectedStr.Split(":".ToCharArray())[1].Replace(" ", "");
foreach (KeyValuePair<ulong, string> Pair in ContentManager.Resources)
{
//Check if the selected hexstring equals a ulong ID in ContentManager.
if (Pair.Key == Convert.ToUInt64(SelectedStr, 16))
{
PurchasableObject PO = new PurchasableObject(ContentManager.GetResourceFromLongID(Pair.Key));
m_CurrentOutfit = new Outfit(ContentManager.GetResourceFromLongID(PO.OutfitID));
m_CurrentAppearance = new Appearance(
ContentManager.GetResourceFromLongID(m_CurrentOutfit.LightAppearanceID));
LstAppearances.Items.Clear();
LstAppearances.Items.Add(m_CurrentOutfit.LightAppearanceID);
LstAppearances.Items.Add(m_CurrentOutfit.MediumAppearanceID);
LstAppearances.Items.Add(m_CurrentOutfit.DarkAppearanceID);
List<Binding> Bindings = new List<Binding>();
foreach (ulong BindingID in m_CurrentAppearance.BindingIDs)
Bindings.Add(new Binding(ContentManager.GetResourceFromLongID(BindingID)));
m_BodyTex = Texture2D.FromFile(this.Device, new MemoryStream(
ContentManager.GetResourceFromLongID(Bindings[0].TextureAssetID)));
//The file selected was most likely a body-mesh, so apply the adult skeleton to it.
if (Pair.Value.Contains("bodies"))
{
m_CurrentBodyMesh = new Mesh(ContentManager.GetResourceFromLongID(Bindings[0].MeshAssetID), true);
m_CurrentBodyMesh.TransformVertices2(ref m_Skeleton, m_Skeleton.Bones[0], ref mWorldMat);
m_CurrentBodyMesh.BlendVertices2();
m_CurrentBodyMesh.ProcessMesh(m_Skeleton);
}
}
}
m_LoadBodyComplete = true;
}
/// <summary>
/// User clicked on an item in the list containing available heads.
/// </summary>
private void LstHeads_SelectedIndexChanged(object sender, EventArgs e)
{
if (m_Skeleton == null)
m_Skeleton = new Skeleton(this.Device, ContentManager.GetResourceFromLongID(0x100000005), ref mWorldMat);
string SelectedStr = (string)LstHeads.SelectedItem;
string Type = SelectedStr.Split(":".ToCharArray())[0];
SelectedStr = SelectedStr.Split(":".ToCharArray())[1].Replace(" ", "");
foreach(KeyValuePair<ulong, string> Pair in ContentManager.Resources)
{
//HAndGroup files are used to group together different hand meshes and textures.
if (Pair.Key == Convert.ToUInt64(SelectedStr, 16) && Type == "Hand")
{
Hag HandGroup = new Hag(ContentManager.GetResourceFromLongID(Pair.Key));
m_CurrentAppearance = new Appearance(ContentManager.GetResourceFromLongID(
HandGroup.Appearances[0]));
LstAppearances.Items.Clear();
foreach (ulong AppearanceID in HandGroup.Appearances)
LstAppearances.Items.Add(AppearanceID);
List<Binding> Bindings = new List<Binding>();
foreach (ulong BindingID in m_CurrentAppearance.BindingIDs)
Bindings.Add(new Binding(ContentManager.GetResourceFromLongID(BindingID)));
m_HandTex = Texture2D.FromFile(this.Device, new MemoryStream(
ContentManager.GetResourceFromLongID(Bindings[0].TextureAssetID)));
m_CurrentHandMesh = new Mesh(ContentManager.GetResourceFromLongID(Bindings[0].MeshAssetID), false);
m_CurrentHandMesh.ProcessMesh(m_Skeleton);
}
else
{
//Check if the selected hexstring equals a ulong ID in ContentManager.
if (Pair.Key == Convert.ToUInt64(SelectedStr, 16))
{
PurchasableObject PO = new PurchasableObject(ContentManager.GetResourceFromLongID(Pair.Key));
m_CurrentOutfit = new Outfit(ContentManager.GetResourceFromLongID(PO.OutfitID));
m_CurrentAppearance = new Appearance(
ContentManager.GetResourceFromLongID(m_CurrentOutfit.LightAppearanceID));
LstAppearances.Items.Clear();
LstAppearances.Items.Add(m_CurrentOutfit.LightAppearanceID);
LstAppearances.Items.Add(m_CurrentOutfit.MediumAppearanceID);
LstAppearances.Items.Add(m_CurrentOutfit.DarkAppearanceID);
List<Binding> Bindings = new List<Binding>();
foreach (ulong BindingID in m_CurrentAppearance.BindingIDs)
Bindings.Add(new Binding(ContentManager.GetResourceFromLongID(BindingID)));
m_HeadTex = Texture2D.FromFile(this.Device, new MemoryStream(
ContentManager.GetResourceFromLongID(Bindings[0].TextureAssetID)));
m_CurrentHeadMesh = new Mesh(ContentManager.GetResourceFromLongID(Bindings[0].MeshAssetID), false);
m_CurrentHeadMesh.ProcessMesh(m_Skeleton);
}
}
}
m_LoadHeadComplete = true;
}
/// <summary>
/// User clicked on an item in the list containing available appearances.
/// </summary>
private void LstAppearances_SelectedIndexChanged(object sender, EventArgs e)
{
if (m_Skeleton == null)
m_Skeleton = new Skeleton(this.Device, ContentManager.GetResourceFromLongID(0x100000005), ref mWorldMat);
m_CurrentAppearance = new Appearance(ContentManager.GetResourceFromLongID(
(ulong)LstAppearances.SelectedItem));
List<Binding> Bindings = new List<Binding>();
foreach (ulong BindingID in m_CurrentAppearance.BindingIDs)
Bindings.Add(new Binding(ContentManager.GetResourceFromLongID(BindingID)));
m_BodyTex = Texture2D.FromFile(this.Device, new MemoryStream(
ContentManager.GetResourceFromLongID(Bindings[0].TextureAssetID)));
string SelectedHeadStr = (string)LstHeads.SelectedItem;
string SelectedBodyStr = (string)LstBodies.SelectedItem;
m_CurrentBodyMesh = new Mesh(ContentManager.GetResourceFromLongID(Bindings[0].MeshAssetID), true);
m_CurrentBodyMesh.TransformVertices2(ref m_Skeleton, m_Skeleton.Bones[0], ref mWorldMat);
m_CurrentBodyMesh.BlendVertices2();
m_CurrentBodyMesh.ProcessMesh(m_Skeleton);
m_CurrentHeadMesh = new Mesh(ContentManager.GetResourceFromLongID(Bindings[0].MeshAssetID), false);
m_CurrentHeadMesh.ProcessMesh(m_Skeleton);
}
/// <summary>
/// Draws a skeleton.
/// </summary>
/// <param name="Skel">The skeleton to be drawn.</param>
private void DrawSkeleton(Skeleton Skel)
{
m_SkeletonEffect.Begin();
foreach (var pass in m_SkeletonEffect.Techniques[0].Passes)
{
pass.Begin();
foreach (var bone in Skel.Bones)
{
var color = Microsoft.Xna.Framework.Graphics.Color.Green;
if (bone.Name == "ROOT")
{
color = Microsoft.Xna.Framework.Graphics.Color.Red;
}
else if (bone.Name == "HEAD")
{
color = Microsoft.Xna.Framework.Graphics.Color.Yellow;
}
var vertex = new VertexPositionColor(bone.AbsolutePosition, color);
var vertexList = new VertexPositionColor[1] { vertex };
this.Device.DrawUserPrimitives(PrimitiveType.PointList, vertexList, 0, 1);
}
pass.End();
}
m_SkeletonEffect.End();
}
/// <summary>
/// Advances the frame of an animation for a skeleton used on this mesh.
/// </summary>
/// <param name="Skel">A skeleton used to render this mesh.</param>
/// <param name="Animation">The animation to advance.</param>
/// <param name="AnimationTime">The playback time for an animation (how long has it been playing for?)</param>
/// <param name="TimeDelta">The timedelta of the rendering loop.</param>
public void AdvanceFrame(ref Skeleton Skel, Anim Animation, ref float AnimationTime, float TimeDelta)
{
float Duration = (float)Animation.Motions[0].NumFrames / 30;
AnimationTime += TimeDelta;
AnimationTime = AnimationTime % Duration; //Loop the animation
for (int i = 0; i < Animation.Motions.Count; i++)
{
int BoneIndex = Skel.FindBone(Animation.Motions[i].BoneName, i);
if (BoneIndex == -1)
{
continue;
}
int Frame = (int)(AnimationTime * 30);
float FractionShown = AnimationTime * 30 - Frame;
int NextFrame = (Frame + 1 != Animation.Motions[0].NumFrames) ? Frame + 1 : 0;
if (Animation.Motions[i].HasTranslation == 1)
{
Vector3 Translation = new Vector3(Animation.Motions[i].Translations[Frame, 0],
Animation.Motions[i].Translations[Frame, 1], Animation.Motions[i].Translations[Frame, 2]);
Vector3 NextTranslation = new Vector3(Animation.Motions[i].Translations[NextFrame, 0],
Animation.Motions[i].Translations[NextFrame, 1], Animation.Motions[i].Translations[NextFrame, 2]);
Vector3 UpdatedTranslation = new Vector3();
UpdatedTranslation.X = (1 - FractionShown) * Translation.X + FractionShown * NextTranslation.X;
UpdatedTranslation.Y = (1 - FractionShown) * Translation.Y + FractionShown * NextTranslation.Y;
UpdatedTranslation.Z = (1 - FractionShown) * Translation.Z + FractionShown * NextTranslation.Z;
Skel.Bones[BoneIndex].Translation = UpdatedTranslation;
}
if (Animation.Motions[i].HasRotation == 1)
{
Quaternion Rotation = new Quaternion(Animation.Motions[i].Rotations[Frame, 0],
Animation.Motions[i].Rotations[Frame, 1], Animation.Motions[i].Rotations[Frame, 2],
Animation.Motions[i].Rotations[Frame, 3]);
Quaternion NextRotation = new Quaternion(Animation.Motions[i].Rotations[NextFrame, 0],
Animation.Motions[i].Rotations[NextFrame, 1], Animation.Motions[i].Rotations[NextFrame, 2],
Animation.Motions[i].Rotations[NextFrame, 3]);
//Use Slerp to interpolate
float W1, W2 = 1.0f;
float CosTheta = DotProduct(Rotation, NextRotation);
if (CosTheta < 0)
{
CosTheta *= -1;
W2 *= -1;
}
float Theta = (float)Math.Acos(CosTheta);
float SinTheta = (float)Math.Sin(Theta);
if (SinTheta > 0.001f)
{
W1 = (float)Math.Sin((1.0f - FractionShown) * Theta) / SinTheta;
W2 *= (float)Math.Sin(FractionShown * Theta) / SinTheta;
}
else
{
W1 = 1.0f - FractionShown;
W2 = FractionShown;
}
Quaternion UpdatedRotation = new Quaternion();
UpdatedRotation.X = W1 * Rotation.X + W2 * NextRotation.X;
UpdatedRotation.Y = W1 * Rotation.Y + W2 * NextRotation.Y;
UpdatedRotation.Z = W1 * Rotation.Z + W2 * NextRotation.Z;
UpdatedRotation.W = W1 * Rotation.W + W2 * NextRotation.W;
Skel.Bones[BoneIndex].Rotation.X = UpdatedRotation.X;
Skel.Bones[BoneIndex].Rotation.Y = UpdatedRotation.Y;
Skel.Bones[BoneIndex].Rotation.Z = UpdatedRotation.Z;
Skel.Bones[BoneIndex].Rotation.W = UpdatedRotation.W;
}
}
}
