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