418 lines
16 KiB
C#
418 lines
16 KiB
C#
using System;
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using System.IO;
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using System.Collections.Generic;
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using OpenTK;
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using System.Windows.Forms;
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namespace Toolbox.Library.Animations
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{
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//Todo rewrite this
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//Currently from forge
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//https://github.com/jam1garner/Smash-Forge/blob/3a5b770a96b2ba7e67ff3912ca23941851f6d9eb/Smash%20Forge/Filetypes/Animation/ANIM.cs
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public class ANIM
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{
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static float Deg2Rad = (float)(Math.PI / 180f);
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static float Rad2Deg = (float)(180f / Math.PI);
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private class AnimHeader
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{
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public string animVersion;
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public string mayaVersion;
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public float startTime;
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public float endTime;
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public float startUnitless;
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public float endUnitless;
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public string timeUnit;
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public string linearUnit;
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public string angularUnit;
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public AnimHeader()
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{
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animVersion = "1.1";
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mayaVersion = "2015";
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startTime = 0;
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endTime = 0;
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startUnitless = 0;
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endUnitless = 0;
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timeUnit = "ntscf";
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linearUnit = "cm";
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angularUnit = "deg";
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}
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}
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private class AnimKey{
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public float input, output;
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public string intan, outtan;
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public float t1 = 0, w1 = 1;
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}
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private class AnimData{
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public string type, input, output, preInfinity, postInfinity;
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public bool weighted = false;
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public List<AnimKey> keys = new List<AnimKey>();
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public float getValue(int frame){
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AnimKey f1 = null, f2 = null;
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for (int i = 0; i < keys.Count-1; i++) {
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if ((keys [i].input-1 <= frame && keys [i + 1].input-1 >= frame)) {
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f1 = keys [i];
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f2 = keys [i + 1];
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break;
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}
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}
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if (f1 == null) {
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if (keys.Count <= 1) {
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return keys [0].output;
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} else {
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f1 = keys [keys.Count - 2];
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f2 = keys [keys.Count - 1];
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}
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}
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return Animation.Hermite (frame+1, f1.input, f2.input, weighted ? f1.t1 : 0, weighted ? f2.t1 : 0, f1.output, f2.output);
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}
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}
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private class AnimBone{
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public string name;
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public List<AnimData> atts = new List<AnimData>();
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}
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public static Animation read(string filename, STSkeleton vbn){
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StreamReader reader = File.OpenText(filename);
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string line;
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bool isHeader = true;
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string angularUnit, linearUnit, timeUnit;
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int startTime = 0;
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int endTime = 0;
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List<AnimBone> bones = new List<AnimBone>();
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Animation.KeyNode current = null;
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Animation.KeyFrame att = new Animation.KeyFrame();
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bool inKeys = false;
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string type = "";
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Animation a = new Animation(filename);
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while ((line = reader.ReadLine()) != null) {
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string[] args = line.Replace (";", "").TrimStart().Split (' ');
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if (isHeader) {
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if (args [0].Equals ("anim"))
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isHeader = false;
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else if (args [0].Equals ("angularUnit"))
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angularUnit = args [1];
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else if (args [0].Equals ("endTime"))
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endTime = (int)Math.Ceiling(float.Parse (args [1]));
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else if (args [0].Equals ("startTime"))
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startTime = (int)Math.Ceiling(float.Parse (args [1]));
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}
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if (!isHeader) {
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if (inKeys) {
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if(args[0].Equals("}")){
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inKeys = false;
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continue;
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}
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Animation.KeyFrame k = new Animation.KeyFrame ();
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//att.keys.Add (k);
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if (type.Contains("translate"))
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{
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if (type.Contains("X")) current.XPOS.Keys.Add(k);
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if (type.Contains("Y")) current.YPOS.Keys.Add(k);
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if (type.Contains("Z")) current.ZPOS.Keys.Add(k);
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}
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if (type.Contains("rotate"))
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{
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if (type.Contains("X")) current.XROT.Keys.Add(k);
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if (type.Contains("Y")) current.YROT.Keys.Add(k);
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if (type.Contains("Z")) current.ZROT.Keys.Add(k);
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}
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if (type.Contains("scale"))
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{
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if (type.Contains("X")) current.XSCA.Keys.Add(k);
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if (type.Contains("Y")) current.YSCA.Keys.Add(k);
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if (type.Contains("Z")) current.ZSCA.Keys.Add(k);
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}
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k.Frame = float.Parse (args [0])-1;
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k.Value = float.Parse (args [1]);
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if (type.Contains("rotate"))
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{
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k.Value *= Deg2Rad;
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}
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//k.intan = (args [2]);
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//k.outtan = (args [3]);
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if (args.Length > 7 && att.Weighted)
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{
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k.In = float.Parse(args[7]) * Deg2Rad;
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k.Out = float.Parse(args[8]) * Deg2Rad;
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}
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}
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if (args [0].Equals ("anim")) {
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inKeys = false;
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if (args.Length == 5) {
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//TODO: finish this type
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// can be name of attribute
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}
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if (args.Length == 7) {
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// see of the bone of this attribute exists
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current = null;
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foreach (Animation.KeyNode b in a.Bones)
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if (b.Text.Equals (args [3])) {
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current = b;
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break;
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}
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if (current == null) {
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current = new Animation.KeyNode (args[3]);
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current.RotType = Animation.RotationType.EULER;
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a.Bones.Add (current);
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}
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current.Text = args [3];
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att = new Animation.KeyFrame();
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att.InterType = InterpolationType.HERMITE;
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type = args [2];
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//current.Nodes.Add (att);
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// row child attribute aren't needed here
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}
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}
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/*if (args [0].Equals ("input"))
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att.input = args [1];
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if (args [0].Equals ("output"))
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att.output = args [1];
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if (args [0].Equals ("preInfinity"))
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att.preInfinity = args [1];
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if (args [0].Equals ("postInfinity"))
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att.postInfinity = args [1];*/
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if (args[0].Equals("weighted"))
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att.Weighted = args[1].Equals("1");
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// begining keys section
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if (args [0].Contains ("keys")) {
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inKeys = true;
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}
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}
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}
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a.FrameCount = endTime-1;
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reader.Close();
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return a;
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}
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public static void CreateANIM(string fname, Animation a, STSkeleton vbn)
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{
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System.Globalization.CultureInfo customCulture = (System.Globalization.CultureInfo)System.Threading.Thread.CurrentThread.CurrentCulture.Clone();
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customCulture.NumberFormat.NumberDecimalSeparator = ".";
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using (System.IO.StreamWriter file = new System.IO.StreamWriter(@fname))
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{
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AnimHeader header = new AnimHeader();
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file.WriteLine("animVersion " + header.animVersion + ";");
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file.WriteLine("mayaVersion " + header.mayaVersion + ";");
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file.WriteLine("timeUnit " + header.timeUnit + ";");
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file.WriteLine("linearUnit " + header.linearUnit + ";");
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file.WriteLine("angularUnit " + header.angularUnit + ";");
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file.WriteLine("startTime " + 1 + ";");
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file.WriteLine("endTime " + a.FrameCount + ";");
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a.SetFrame(a.FrameCount - 1); //from last frame
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for (int li = 0; li < a.FrameCount; ++li) //go through each frame with nextFrame
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a.NextFrame(vbn, false, true);
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a.NextFrame(vbn, false, true); //go on first frame
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int i = 0;
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// writing node attributes
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foreach (STBone b in vbn.getBoneTreeOrder())
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{
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i = vbn.boneIndex(b.Text);
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if (a.HasBone(b.Text))
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{
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// write the bone attributes
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// count the attributes
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Animation.KeyNode n = a.GetBone(b.Text);
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int ac = 0;
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if (n.XPOS.HasAnimation())
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{
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file.WriteLine("anim translate.translateX translateX " + b.Text + " 0 0 " + (ac++) + ";");
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writeKey(file, n.XPOS, n, a.Size(), "translateX");
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file.WriteLine("}");
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}
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if (n.YPOS.HasAnimation())
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{
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file.WriteLine("anim translate.translateY translateY " + b.Text + " 0 0 " + (ac++) + ";");
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writeKey(file, n.YPOS, n, a.Size(), "translateY");
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file.WriteLine("}");
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}
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if (n.ZPOS.HasAnimation())
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{
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file.WriteLine("anim translate.translateZ translateZ " + b.Text + " 0 0 " + (ac++) + ";");
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writeKey(file, n.ZPOS, n, a.Size(), "translateZ");
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file.WriteLine("}");
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}
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if (n.XROT.HasAnimation())
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{
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file.WriteLine("anim rotate.rotateX rotateX " + b.Text + " 0 0 " + (ac++) + ";");
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writeKey(file, n.XROT, n, a.Size(), "rotateX");
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file.WriteLine("}");
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}
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if (n.YROT.HasAnimation())
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{
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file.WriteLine("anim rotate.rotateY rotateY " + b.Text + " 0 0 " + (ac++) + ";");
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writeKey(file, n.YROT, n, a.Size(), "rotateY");
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file.WriteLine("}");
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}
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if (n.ZROT.HasAnimation())
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{
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file.WriteLine("anim rotate.rotateZ rotateZ " + b.Text + " 0 0 " + (ac++) + ";");
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writeKey(file, n.ZROT, n, a.Size(), "rotateZ");
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file.WriteLine("}");
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}
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if (n.XSCA.HasAnimation())
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{
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file.WriteLine("anim scale.scaleX scaleX " + b.Text + " 0 0 " + (ac++) + ";");
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writeKey(file, n.XSCA, n, a.Size(), "scaleX", n.UseSegmentScaleCompensate);
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file.WriteLine("}");
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}
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if (n.YSCA.HasAnimation())
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{
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file.WriteLine("anim scale.scaleY scaleY " + b.Text + " 0 0 " + (ac++) + ";");
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writeKey(file, n.YSCA, n, a.Size(), "scaleY", n.UseSegmentScaleCompensate);
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file.WriteLine("}");
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}
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if (n.ZSCA.HasAnimation())
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{
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file.WriteLine("anim scale.scaleZ scaleZ " + b.Text + " 0 0 " + (ac++) + ";");
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writeKey(file, n.ZSCA, n, a.Size(), "scaleZ", n.UseSegmentScaleCompensate);
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file.WriteLine("}");
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}
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if (ac == 0)
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file.WriteLine("anim " + b.Text + " 0 0 0;");
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}
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else
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{
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file.WriteLine("anim " + b.Text + " 0 0 0;");
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}
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}
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}
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}
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private static void writeKey(StreamWriter file, Animation.KeyGroup keys, Animation.KeyNode rt, int size, string type, bool useSegmentCompenseateScale = false)
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{
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bool isAngular = type == "rotateX" || type == "rotateY" || type == "rotateZ";
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string interp = isAngular ? "angular" : "linear";
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file.WriteLine("animData {");
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file.WriteLine(" input time;");
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file.WriteLine($" output {interp};");
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file.WriteLine(" weighted 1;");
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file.WriteLine(" preInfinity constant;");
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file.WriteLine(" postInfinity constant;");
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file.WriteLine(" keys {");
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if (((Animation.KeyFrame)keys.Keys[0]).InterType == InterpolationType.CONSTANT)
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size = 1;
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int f = 1;
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foreach (Animation.KeyFrame key in keys.Keys)
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{
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float v = 0;
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switch (type)
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{
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case "translateX":
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case "translateY":
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case "translateZ":
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v = key.Value;
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break;
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case "rotateX":
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if (rt.RotType == Animation.RotationType.EULER)
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v = key.Value * Rad2Deg;
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if (rt.RotType == Animation.RotationType.QUATERNION)
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{
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Quaternion q = new Quaternion(rt.XROT.GetValue(key.Frame), rt.YROT.GetValue(key.Frame), rt.ZROT.GetValue(key.Frame), rt.WROT.GetValue(key.Frame));
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v = quattoeul(q).X * Rad2Deg;
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}
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break;
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case "rotateY":
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if (rt.RotType == Animation.RotationType.EULER)
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v = key.Value * Rad2Deg;
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if (rt.RotType == Animation.RotationType.QUATERNION)
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{
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Quaternion q = new Quaternion(rt.XROT.GetValue(key.Frame), rt.YROT.GetValue(key.Frame), rt.ZROT.GetValue(key.Frame), rt.WROT.GetValue(key.Frame));
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v = quattoeul(q).Y * Rad2Deg;
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}
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break;
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case "rotateZ":
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if (rt.RotType == Animation.RotationType.EULER)
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v = key.Value * Rad2Deg;
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if (rt.RotType == Animation.RotationType.QUATERNION)
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{
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Quaternion q = new Quaternion(rt.XROT.GetValue(key.Frame), rt.YROT.GetValue(key.Frame), rt.ZROT.GetValue(key.Frame), rt.WROT.GetValue(key.Frame));
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v = quattoeul(q).Z * Rad2Deg;
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}
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break;
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case "scaleX":
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case "scaleY":
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case "scaleZ":
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if (useSegmentCompenseateScale)
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v = 1f / key.Value;
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else
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v = key.Value;
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break;
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}
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file.WriteLine(" " + (key.Frame + 1) + " {0:N6} fixed fixed 1 1 0 0 1 0 1;".Replace(",","."), v);
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}
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file.WriteLine(" }");
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}
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public static Vector3 quattoeul(Quaternion q){
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float sqw = q.W * q.W;
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float sqx = q.X * q.X;
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float sqy = q.Y * q.Y;
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float sqz = q.Z * q.Z;
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float normal = (float)Math.Sqrt (sqw + sqx + sqy + sqz);
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float pole_result = (q.X * q.Z) + (q.Y * q.W);
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if (pole_result > (0.5 * normal)){
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float ry = (float)Math.PI / 2;
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float rz = 0;
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float rx = 2 * (float)Math.Atan2(q.X, q.W);
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return new Vector3(rx, ry, rz);
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}
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if (pole_result < (-0.5 * normal)){
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float ry = (float)Math.PI/2;
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float rz = 0;
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float rx = -2 * (float)Math.Atan2(q.X, q.W);
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return new Vector3(rx, ry, rz);
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}
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float r11 = 2*(q.X*q.Y + q.W*q.Z);
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float r12 = sqw + sqx - sqy - sqz;
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float r21 = -2*(q.X*q.Z - q.W*q.Y);
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float r31 = 2*(q.Y*q.Z + q.W*q.X);
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float r32 = sqw - sqx - sqy + sqz;
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float frx = (float)Math.Atan2( r31, r32 );
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float fry = (float)Math.Asin ( r21 );
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float frz = (float)Math.Atan2( r11, r12 );
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return new Vector3(frx, fry, frz);
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}
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}
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}
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