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Switch-Toolbox/Switch_Toolbox_Library/Animations/Animation.cs
2020-02-08 09:57:05 -05:00

636 lines
20 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using OpenTK;
using SELib;
using Toolbox.Library.NodeWrappers;
using Toolbox.Library.IO;
using Toolbox.Library.Forms;
namespace Toolbox.Library.Animations
{
public enum InterpolationType
{
LINEAR = 0,
CONSTANT,
HERMITE,
STEP,
STEPBOOL,
};
public class Animation : STGenericWrapper
{
public bool CanLoop { get; set; }
//Use to load data when clicked on. Can potentially speed up load times
public virtual void OpenAnimationData() { }
//Used to apply back and calculate some necessary data
public virtual void UpdateAnimationData() { }
public override void Export(string FileName) {}
public override void Replace(string FileName) { }
public bool IsEdited { get; set; }
public bool IsBaked { get; set; }
public float Frame = 0;
public int FrameCount { get; set; } = 0;
public List<KeyNode> Bones = new List<KeyNode>();
public List<object> Children = new List<object>();
public Animation()
{
ImageKey = "anim";
SelectedImageKey = "anim";
}
public Animation(string Name)
{
Text = Name;
ImageKey = "anim";
SelectedImageKey = "anim";
}
public enum RotationType
{
EULER = 0,
QUATERNION
}
public class KeyNode : TreeNodeCustom
{
public int Hash = -1;
public bool UseSegmentScaleCompensate = false;
public KeyGroup XPOS = new KeyGroup() { Text = "XPOS" };
public KeyGroup YPOS = new KeyGroup() { Text = "YPOS" };
public KeyGroup ZPOS = new KeyGroup() { Text = "ZPOS" };
public RotationType RotType = RotationType.QUATERNION;
public KeyGroup XROT = new KeyGroup() { Text = "XROT" };
public KeyGroup YROT = new KeyGroup() { Text = "YROT" };
public KeyGroup ZROT = new KeyGroup() { Text = "ZROT" };
public KeyGroup WROT = new KeyGroup() { Text = "WROT" };
public KeyGroup XSCA = new KeyGroup() { Text = "XSCA" };
public KeyGroup YSCA = new KeyGroup() { Text = "YSCA" };
public KeyGroup ZSCA = new KeyGroup() { Text = "ZSCA" };
public KeyNode(string bname, bool LoadContextMenus = true)
{
Text = bname;
// Text = SearchDuplicateNames(bname);
if (bname != null && bname.Equals("")) Text = Hash.ToString("x");
ImageKey = "bone";
SelectedImageKey = "bone";
if (LoadContextMenus)
LoadMenus();
}
public void LoadMenus()
{
//File Operations
ContextMenuStrip = new STContextMenuStrip();
ContextMenuStrip.Items.Add(new ToolStripMenuItem("Rename", null, RenameAction, Keys.Control | Keys.N));
ContextMenuStrip.Items.Add(new ToolStripSeparator());
ContextMenuStrip.Items.Add(new ToolStripMenuItem("Delete", null, DeleteAction, Keys.Control | Keys.Delete));
}
protected void DeleteAction(object sender, EventArgs e) { Delete(); Unload(); }
protected void RenameAction(object sender, EventArgs e) { Rename(); }
public virtual void Delete()
{
if (Parent != null)
{
Remove();
}
}
public virtual void Unload()
{
foreach (var node in Nodes)
if (node is STGenericWrapper)
((STGenericWrapper)node).Unload();
Nodes.Clear();
}
public virtual void Rename()
{
RenameDialog dialog = new RenameDialog();
dialog.SetString(Text);
if (dialog.ShowDialog() == DialogResult.OK) { Text = dialog.textBox1.Text; }
}
public bool HasKeyedFrames(float frame)
{
return (XPOS.HasAnimation() && XPOS.GetKeyFrame(frame).IsKeyed ||
YPOS.HasAnimation() && YPOS.GetKeyFrame(frame).IsKeyed ||
ZPOS.HasAnimation() && ZPOS.GetKeyFrame(frame).IsKeyed ||
XROT.HasAnimation() && XROT.GetKeyFrame(frame).IsKeyed ||
YROT.HasAnimation() && YROT.GetKeyFrame(frame).IsKeyed ||
ZROT.HasAnimation() && ZROT.GetKeyFrame(frame).IsKeyed ||
WROT.HasAnimation() && WROT.GetKeyFrame(frame).IsKeyed ||
XSCA.HasAnimation() && XSCA.GetKeyFrame(frame).IsKeyed ||
YSCA.HasAnimation() && YSCA.GetKeyFrame(frame).IsKeyed ||
ZSCA.HasAnimation() && ZSCA.GetKeyFrame(frame).IsKeyed);
}
public Vector3 GetPosition(float frame)
{
Vector3 pos = new Vector3(0);
if (XPOS.HasAnimation()) pos.X = XPOS.GetValue(frame);
if (YPOS.HasAnimation()) pos.Y = YPOS.GetValue(frame);
if (ZPOS.HasAnimation()) pos.Z = ZPOS.GetValue(frame);
return pos;
}
public Matrix4 Transform(float Frame)
{
Matrix4 Translaton = Matrix4.CreateTranslation(GetPosition(Frame));
Matrix4 Rotation = Matrix4.CreateFromQuaternion(GetRotation(Frame));
Matrix4 Scale = Matrix4.CreateScale(GetScale(Frame));
return (Scale * Rotation * Translaton);
}
public Quaternion GetRotation(float frame)
{
Quaternion rot = new Quaternion();
if (XROT.HasAnimation()) rot.X = XROT.GetValue(frame);
if (YROT.HasAnimation()) rot.Y = YROT.GetValue(frame);
if (ZROT.HasAnimation()) rot.Z = ZROT.GetValue(frame);
if (WROT.HasAnimation()) rot.W = WROT.GetValue(frame);
return rot;
}
public Vector3 GetEulerRotation(float frame)
{
Vector3 rot = new Vector3(0);
float x = XROT.HasAnimation() ? XROT.GetValue(frame) : 0;
float y = YROT.HasAnimation() ? YROT.GetValue(frame) : 0;
float z = ZROT.HasAnimation() ? ZROT.GetValue(frame) : 0;
return rot;
}
public Vector3 GetScale(float frame)
{
Vector3 sca = new Vector3(1);
if (XSCA.HasAnimation()) sca.X = XSCA.GetValue(frame);
if (YSCA.HasAnimation()) sca.Y = YSCA.GetValue(frame);
if (ZSCA.HasAnimation()) sca.Z = ZSCA.GetValue(frame);
return sca;
}
}
public void ReplaceMe(Animation a)
{
Tag = null;
Nodes.Clear();
Bones.Clear();
Children.Clear();
Bones = a.Bones;
FrameCount = a.FrameCount;
}
public class KeyGroup : TreeNode
{
public InterpolationType InterpolationType = InterpolationType.HERMITE;
//Determines which data to use. Offset will shift for params.
//Some values detmine the type ie (SRT) or (XYZW)
public uint AnimDataOffset;
public bool Constant = false;
public float Scale { get; set; }
public float Offset { get; set; }
public float StartFrame { get; set; }
public float EndFrame { get; set; }
public float Delta { get; set; }
public float CalculateDelta()
{
if (Keys.Count >= 2)
{
float startValue = GetValue(0);
float endValue = GetValue(FrameCount);
return endValue - startValue;
}
else
return 0;
}
public bool HasAnimation()
{
return Keys.Count > 0;
}
public List<KeyFrame> Keys = new List<KeyFrame>();
public float FrameCount
{
get
{
float fc = 0;
foreach (KeyFrame k in Keys)
if (k.Frame > fc) fc = k.Frame;
return fc;
}
}
public KeyFrame GetKeyFrame(float frame, bool InsertNewKey = true)
{
if (Keys.Count == 0) return null;
KeyFrame k1 = (KeyFrame)Keys[0], k2 = (KeyFrame)Keys[0];
foreach (KeyFrame k in Keys)
{
if (k.Frame < frame)
{
k1 = k;
}
else
{
k2 = k;
break;
}
}
return k1;
}
public bool SetValue(float Value, int frame)
{
for (int i = 0; i < Keys.Count; i++)
{
KeyFrame key = Keys[i];
if (key.Frame == frame)
{
key.Value = Value;
return true;
}
}
return false;
}
int LastFound = 0;
float LastFrame;
public float GetValue(float frame)
{
if (Keys.Count == 0)
return 0;
float startFrame = Keys.First().Frame;
KeyFrame LK = Keys.First();
KeyFrame RK = Keys.Last();
foreach (KeyFrame keyFrame in Keys)
{
if (keyFrame.Frame <= frame) LK = keyFrame;
if (keyFrame.Frame >= frame && keyFrame.Frame < RK.Frame) RK = keyFrame;
}
if (LK.Frame != RK.Frame)
{
// float FrameDiff = frame - LK.Frame;
// float Weight = 1.0f / (RK.Frame - LK.Frame);
// float Weight = FrameDiff / (RK.Frame - LK.Frame);
float FrameDiff = frame - LK.Frame;
float Weight = FrameDiff / (RK.Frame - LK.Frame);
Console.WriteLine($"frame diff {FrameDiff} frame {frame} LK {LK.Frame} RK {RK} ratio {Weight}");
switch (InterpolationType)
{
case InterpolationType.CONSTANT: return LK.Value;
case InterpolationType.STEP: return LK.Value;
case InterpolationType.LINEAR: return InterpolationHelper.Lerp(LK.Value, RK.Value, Weight);
case InterpolationType.HERMITE:
float val = Hermite(frame, LK.Frame, RK.Frame, LK.In, LK.Out != -1 ? LK.Out : RK.In, LK.Value, RK.Value);
return val;
}
}
return LK.Value;
}
public KeyFrame[] GetFrame(float frame)
{
if (Keys.Count == 0) return null;
KeyFrame k1 = (KeyFrame)Keys[0], k2 = (KeyFrame)Keys[0];
foreach (KeyFrame k in Keys)
{
if (k.Frame < frame)
{
k1 = k;
}
else
{
k2 = k;
break;
}
}
return new KeyFrame[] { k1, k2 };
}
public void ExpandNodes()
{
Nodes.Clear();
foreach (KeyFrame v in Keys)
{
Nodes.Add(v.GetNode());
}
}
}
public class KeyFrame
{
public bool IsKeyed = false;
public float Value1, Delta;
public float Slope1;
public float Slope2;
public float Value
{
get { if (Degrees) return _value * 180 / (float)Math.PI; else return _value; }
set { _value = value; }
}
public float _value;
public float Frame
{
get { return _frame; }
set { _frame = value; }
}
public String Text;
public float _frame;
public float In = 0;
public float Out = -1;
// public float In = 0, Out = -1;
public bool Weighted = false;
public bool Degrees = false; // Use Degrees
public InterpolationType InterType = InterpolationType.LINEAR;
public KeyFrame(float value, float frame)
{
Value = value;
Frame = frame;
}
public KeyFrame()
{
}
public TreeNode GetNode()
{
TreeNode t = new TreeNode();
t.Text = Frame + " : " + Value + (In != 0 ? " " + In.ToString() : "");
t.Tag = this;
return t;
}
public override string ToString()
{
return Frame + " " + Value;
}
}
public void SetFrame(float frame)
{
Frame = frame;
}
public int Size()
{
return FrameCount;
}
public void NextFrame(STSkeleton skeleton, bool isChild = false, bool AdancedNextFrame = false)
{
if (Frame > FrameCount) return;
if (Frame == 0 && !isChild)
skeleton.reset();
foreach (object child in Children)
{
if (child is Animation)
{
((Animation)child).SetFrame(Frame);
((Animation)child).NextFrame(skeleton, isChild, AdancedNextFrame);
}
}
bool Updated = false; // no need to update skeleton of animations that didn't change
foreach (KeyNode node in Bones)
{
// Get Skeleton Node
STBone b = null;
b = skeleton.GetBone(node.Text);
if (b == null) continue;
b.UseSegmentScaleCompensate = node.UseSegmentScaleCompensate;
Updated = true;
if (node.XPOS.HasAnimation())
b.pos.X = node.XPOS.GetValue(Frame);
if (node.YPOS.HasAnimation())
b.pos.Y = node.YPOS.GetValue(Frame);
if (node.ZPOS.HasAnimation())
b.pos.Z = node.ZPOS.GetValue(Frame);
if (node.XSCA.HasAnimation())
b.sca.X = node.XSCA.GetValue(Frame);
else b.sca.X = 1;
if (node.YSCA.HasAnimation())
b.sca.Y = node.YSCA.GetValue(Frame);
else b.sca.Y = 1;
if (node.ZSCA.HasAnimation())
b.sca.Z = node.ZSCA.GetValue(Frame);
else b.sca.Z = 1;
if (node.XROT.HasAnimation() || node.YROT.HasAnimation() || node.ZROT.HasAnimation())
{
if (node.RotType == RotationType.QUATERNION)
{
KeyFrame[] x = node.XROT.GetFrame(Frame);
KeyFrame[] y = node.YROT.GetFrame(Frame);
KeyFrame[] z = node.ZROT.GetFrame(Frame);
KeyFrame[] w = node.WROT.GetFrame(Frame);
Quaternion q1 = new Quaternion(x[0].Value, y[0].Value, z[0].Value, w[0].Value);
Quaternion q2 = new Quaternion(x[1].Value, y[1].Value, z[1].Value, w[1].Value);
if (x[0].Frame == Frame)
b.rot = q1;
else
if (x[1].Frame == Frame)
b.rot = q2;
else
b.rot = Quaternion.Slerp(q1, q2, (Frame - x[0].Frame) / (x[1].Frame - x[0].Frame));
}
else
if (node.RotType == RotationType.EULER)
{
float x = node.XROT.HasAnimation() ? node.XROT.GetValue(Frame) : b.EulerRotation.X;
float y = node.YROT.HasAnimation() ? node.YROT.GetValue(Frame) : b.EulerRotation.Y;
float z = node.ZROT.HasAnimation() ? node.ZROT.GetValue(Frame) : b.EulerRotation.Z;
b.rot = EulerToQuat(z, y, x);
}
}
}
if (AdancedNextFrame)
{
Frame++;
if (Frame >= FrameCount)
Frame = 0;
}
if (!isChild && Updated)
{
skeleton.update();
}
}
public void ExpandBones()
{
Nodes.Clear();
foreach (var v in Bones)
Nodes.Add(v);
}
public bool HasBone(String name)
{
foreach (var v in Bones)
if (v.Text.Equals(name))
return true;
return false;
}
public KeyNode GetBone(String name)
{
foreach (var v in Bones)
if (v.Text.Equals(name))
return v;
return null;
}
#region Interpolation
public static float CubicEval(float cf0, float cf1, float cf2, float cf3, float t)
{
return ((cf3 * t + cf2) * t) * t + (cf1 * t + cf0);
// return (((cf0 * t + cf1) * t + cf2) * t + cf3);
}
public static float Hermite(float frame, float frame1, float frame2, float outSlope, float inSlope, float val1, float val2)
{
if (frame == frame1) return val1;
if (frame == frame2) return val2;
float distance = frame - frame1;
float invDuration = 1f / (frame2 - frame1);
float t = distance * invDuration;
float t1 = t - 1f;
return (val1 + ((((val1 - val2) * ((2f * t) - 3f)) * t) * t)) + ((distance * t1) * ((t1 * outSlope) + (t * inSlope)));
}
public static float Lerp(float av, float bv, float v0, float v1, float t)
{
if (v0 == v1) return av;
if (t == v0) return av;
if (t == v1) return bv;
float mu = (t - v0) / (v1 - v0);
return ((av * (1 - mu)) + (bv * mu));
}
public static Quaternion Slerp(Vector4 v0, Vector4 v1, double t)
{
v0.Normalize();
v1.Normalize();
double dot = Vector4.Dot(v0, v1);
const double DOT_THRESHOLD = 0.9995;
if (Math.Abs(dot) > DOT_THRESHOLD)
{
Vector4 result = v0 + new Vector4((float)t) * (v1 - v0);
result.Normalize();
return new Quaternion(result.Xyz, result.W);
}
if (dot < 0.0f)
{
v1 = -v1;
dot = -dot;
}
if (dot < -1) dot = -1;
if (dot > 1) dot = 1;
double theta_0 = Math.Acos(dot); // theta_0 = angle between input vectors
double theta = theta_0 * t; // theta = angle between v0 and result
Vector4 v2 = v1 - v0 * new Vector4((float)dot);
v2.Normalize(); // { v0, v2 } is now an orthonormal basis
Vector4 res = v0 * new Vector4((float)Math.Cos(theta)) + v2 * new Vector4((float)Math.Sign(theta));
return new Quaternion(res.Xyz, res.W);
}
public static Quaternion EulerToQuat(float z, float y, float x)
{
{
Quaternion xRotation = Quaternion.FromAxisAngle(Vector3.UnitX, x);
Quaternion yRotation = Quaternion.FromAxisAngle(Vector3.UnitY, y);
Quaternion zRotation = Quaternion.FromAxisAngle(Vector3.UnitZ, z);
Quaternion q = (zRotation * yRotation * xRotation);
if (q.W < 0)
q *= -1;
//return xRotation * yRotation * zRotation;
return q;
}
}
#endregion
}
}