/// <summary>
/// Creates a new curve drawing GUI element.
/// </summary>
/// <param name="layout">Layout into which to add the GUI element.</param>
/// <param name="width">Width of the element in pixels.</param>
/// <param name="height">Height of the element in pixels.</param>
/// <param name="curveInfos">Initial set of curves to display. </param>
public GUICurveDrawing(GUILayout layout, int width, int height, CurveDrawInfo[] curveInfos)
: base(layout, width, height)
{
tickHandler = new GUIGraphTicks(GUITickStepType.Time);
this.curveInfos = curveInfos;
ClearSelectedKeyframes(); // Makes sure the array is initialized
}
/// <summary>Initializes the struct with default values.</summary>
public static CurveDrawInfo Default()
{
CurveDrawInfo value = new CurveDrawInfo();
value.curve = null;
value.color = new Color();
return(value);
}
private bool TryGetCurve(string path, out CurveDrawInfo[] curveInfos)
{
int index = path.LastIndexOf(".");
string parentPath;
string subPathSuffix = null;
if (index == -1)
{
parentPath = path;
}
else
{
parentPath = path.Substring(0, index);
subPathSuffix = path.Substring(index, path.Length - index);
}
FieldAnimCurves fieldCurves;
if (clipInfo.curves.TryGetValue(parentPath, out fieldCurves))
{
if (!string.IsNullOrEmpty(subPathSuffix))
{
if (subPathSuffix == ".x" || subPathSuffix == ".r")
{
curveInfos = new [] { fieldCurves.curveInfos[0] };
return(true);
}
else if (subPathSuffix == ".y" || subPathSuffix == ".g")
{
curveInfos = new[] { fieldCurves.curveInfos[1] };
return(true);
}
else if (subPathSuffix == ".z" || subPathSuffix == ".b")
{
curveInfos = new[] { fieldCurves.curveInfos[2] };
return(true);
}
else if (subPathSuffix == ".w" || subPathSuffix == ".a")
{
curveInfos = new[] { fieldCurves.curveInfos[3] };
return(true);
}
}
else
{
curveInfos = fieldCurves.curveInfos;
return(true);
}
}
curveInfos = new CurveDrawInfo[0];
return(false);
}
/// <summary>
/// Calculates the total range covered by a set of curves.
/// </summary>
/// <param name="curveInfos">Curves to calculate range for.</param>
/// <param name="xRange">Maximum time value present in the curves.</param>
/// <param name="yRange">Maximum absolute curve value present in the curves.</param>
private static void CalculateRange(CurveDrawInfo[] curveInfos, out float xRange, out float yRange)
{
// Note: This only evaluates at keyframes, we should also evaluate in-between in order to account for steep
// tangents
xRange = 0.0f;
yRange = 0.0f;
foreach (var curveInfo in curveInfos)
{
KeyFrame[] keyframes = curveInfo.curve.KeyFrames;
foreach (var key in keyframes)
{
xRange = Math.Max(xRange, key.time);
yRange = Math.Max(yRange, Math.Abs(key.value));
}
}
}
/// <summary>
/// Attempts to find a curve field at the specified path.
/// </summary>
/// <param name="path">Path of the curve field to look for.</param>
/// <param name="curveInfos">One or multiple curves found for the specific path (one field can have multiple curves
/// if it is a complex type, like a vector).</param>
/// <returns>True if the curve field was found, false otherwise.</returns>
private bool TryGetCurve(string path, out CurveDrawInfo[] curveInfos)
{
int index = path.LastIndexOf(".");
string parentPath;
string subPathSuffix = null;
if (index == -1)
{
parentPath = path;
}
else
{
parentPath = path.Substring(0, index);
subPathSuffix = path.Substring(index, path.Length - index);
}
FieldAnimCurves fieldCurves;
if (clipInfo.curves.TryGetValue(parentPath, out fieldCurves))
{
if (!string.IsNullOrEmpty(subPathSuffix))
{
if (subPathSuffix == ".x" || subPathSuffix == ".r")
{
curveInfos = new [] { fieldCurves.curveInfos[0] };
return true;
}
else if (subPathSuffix == ".y" || subPathSuffix == ".g")
{
curveInfos = new[] { fieldCurves.curveInfos[1] };
return true;
}
else if (subPathSuffix == ".z" || subPathSuffix == ".b")
{
curveInfos = new[] { fieldCurves.curveInfos[2] };
return true;
}
else if (subPathSuffix == ".w" || subPathSuffix == ".a")
{
curveInfos = new[] { fieldCurves.curveInfos[3] };
return true;
}
}
else
{
curveInfos = fieldCurves.curveInfos;
return true;
}
}
curveInfos = new CurveDrawInfo[0];
return false;
}
/// <summary>
/// Change the set of curves to display.
/// </summary>
/// <param name="curveInfos">New set of curves to draw on the GUI element.</param>
public void SetCurves(CurveDrawInfo[] curveInfos)
{
this.curveInfos = curveInfos;
guiCurveDrawing.SetCurves(curveInfos);
Redraw();
}
/// <summary>
/// Change the set of curves to display.
/// </summary>
/// <param name="curveInfos">New set of curves to draw on the GUI element.</param>
public void SetCurves(CurveDrawInfo[] curveInfos)
{
this.curveInfos = curveInfos;
}