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Core/Movement: Properly calculate the first Catmull-Rom spline point

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Port From (https://github.com/TrinityCore/TrinityCore/commit/5db7d25700c12b15c7effa313814e5d874c95419)
This commit is contained in:
hondacrx
2021-11-15 22:28:41 -05:00
parent d87e2cd315
commit 29083fdb38
2 changed files with 9 additions and 7 deletions
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Source/Game/Movement/MoveSpline.cs
+2 -2
View File
@@ -81,11 +81,11 @@ namespace Game.Movement
Spline.EvaluationMode[] modes = new Spline.EvaluationMode[2] { Spline.EvaluationMode.Linear, Spline.EvaluationMode.Catmullrom };
if (args.flags.HasFlag(SplineFlag.Cyclic))
{
spline.InitCyclicSpline(args.path, args.path.Length, modes[Convert.ToInt32(args.flags.IsSmooth())], 0);
spline.InitCyclicSpline(args.path, args.path.Length, modes[Convert.ToInt32(args.flags.IsSmooth())], 0, args.initialOrientation);
}
else
{
spline.InitSpline(args.path, args.path.Length, modes[Convert.ToInt32(args.flags.IsSmooth())]);
spline.InitSpline(args.path, args.path.Length, modes[Convert.ToInt32(args.flags.IsSmooth())], args.initialOrientation);
}
// init spline timestamps
Source/Game/Movement/Spline.cs
+7 -5
View File
@@ -79,17 +79,18 @@ namespace Game.Movement
{
initializer.Initialize(ref m_mode, ref _cyclic, ref points, ref index_lo, ref index_hi);
}
public void InitCyclicSpline(Vector3[] controls, int count, EvaluationMode m, int cyclic_point)
public void InitCyclicSpline(Vector3[] controls, int count, EvaluationMode m, int cyclic_point, float orientation)
{
m_mode = m;
_cyclic = true;
InitSpline(controls, count, m);
InitSpline(controls, count, m, orientation);
}
public void InitSpline(Span<Vector3> controls, int count, EvaluationMode m)
public void InitSpline(Span<Vector3> controls, int count, EvaluationMode m, float orientation = 0)
{
m_mode = m;
_cyclic = false;
initialOrientation = orientation;
switch (m_mode)
{
@@ -139,14 +140,14 @@ namespace Game.Movement
if (cyclic_point == 0)
points[0] = controls[count - 1];
else
points[0] = Vector3.Lerp(controls[0], controls[1], -1);
points[0] = controls[0] - new Vector3(MathF.Cos(initialOrientation), MathF.Sin(initialOrientation), 0.0f);
points[high_index + 1] = controls[cyclic_point];
points[high_index + 2] = controls[cyclic_point + 1];
}
else
{
points[0] = Vector3.Lerp(controls[0], controls[1], -1);
points[0] = controls[0] - new Vector3(MathF.Cos(initialOrientation), MathF.Sin(initialOrientation), 0.0f);
points[high_index + 1] = controls[count - 1];
}
@@ -360,6 +361,7 @@ namespace Game.Movement
Vector3[] points = Array.Empty<Vector3>();
public EvaluationMode m_mode;
bool _cyclic;
float initialOrientation;
int index_lo;
int index_hi;
public enum EvaluationMode