/// <summary>Adds functions to the `menu` relating to the thresholds.</summary>
protected override void AddThresholdFunctionsToMenu(UnityEditor.GenericMenu menu)
{
AddPropertyModifierFunction(menu, "Evenly Spaced", (_) =>
{
var count = CurrentThresholds.arraySize;
if (count <= 1)
{
return;
}
var first = CurrentThresholds.GetArrayElementAtIndex(0).floatValue;
var last = CurrentThresholds.GetArrayElementAtIndex(count - 1).floatValue;
for (int i = 0; i < count; i++)
{
CurrentThresholds.GetArrayElementAtIndex(i).floatValue = Mathf.Lerp(first, last, i / (float)(count - 1));
}
});
AddCalculateThresholdsFunction(menu, "From Speed",
(clip, threshold) => clip.apparentSpeed);
AddCalculateThresholdsFunction(menu, "From Velocity X",
(clip, threshold) => clip.averageSpeed.x);
AddCalculateThresholdsFunction(menu, "From Velocity Y",
(clip, threshold) => clip.averageSpeed.z);
AddCalculateThresholdsFunction(menu, "From Velocity Z",
(clip, threshold) => clip.averageSpeed.z);
AddCalculateThresholdsFunction(menu, "From Angular Speed (Rad)",
(clip, threshold) => clip.averageAngularSpeed);
AddCalculateThresholdsFunction(menu, "From Angular Speed (Deg)",
(clip, threshold) => clip.averageAngularSpeed * Mathf.Rad2Deg);
}
/************************************************************************************************************************/
/// <summary>
/// Fills the `menu` with functions relevant to the `rootProperty`.
/// </summary>
public static void AddItemsToContextMenu(UnityEditor.GenericMenu menu, string prefix = "Calculate Thresholds/")
{
AddPropertyModifierFunction(menu, prefix + "Evenly Spaced", (_) =>
{
var count = CurrentThresholds.arraySize;
if (count <= 1)
{
return;
}
var first = CurrentThresholds.GetArrayElementAtIndex(0).floatValue;
var last = CurrentThresholds.GetArrayElementAtIndex(count - 1).floatValue;
for (int i = 0; i < count; i++)
{
CurrentThresholds.GetArrayElementAtIndex(i).floatValue = Mathf.Lerp(first, last, i / (float)(count - 1));
}
});
AddCalculateThresholdsFunction(menu, prefix + "From Speed",
(clip, threshold) => clip.apparentSpeed);
AddCalculateThresholdsFunction(menu, prefix + "From Velocity X",
(clip, threshold) => clip.averageSpeed.x);
AddCalculateThresholdsFunction(menu, prefix + "From Velocity Y",
(clip, threshold) => clip.averageSpeed.z);
AddCalculateThresholdsFunction(menu, prefix + "From Velocity Z",
(clip, threshold) => clip.averageSpeed.z);
AddCalculateThresholdsFunction(menu, prefix + "From Angular Speed (Rad)",
(clip, threshold) => clip.averageAngularSpeed * Mathf.Deg2Rad);
AddCalculateThresholdsFunction(menu, prefix + "From Angular Speed (Deg)",
(clip, threshold) => clip.averageAngularSpeed);
}
private void AddCalculateThresholdsFunction(GenericMenu menu, string label, int axis,
Func <AnimationClip, float, float> calculateThreshold)
{
AddPropertyModifierFunction(menu, label, (property) =>
{
var count = CurrentClips.arraySize;
for (int i = 0; i < count; i++)
{
var clip = CurrentClips.GetArrayElementAtIndex(i).objectReferenceValue as AnimationClip;
if (clip == null)
{
continue;
}
var threshold = CurrentThresholds.GetArrayElementAtIndex(i);
var value = threshold.vector2Value;
var newValue = calculateThreshold(clip, value[axis]);
if (!float.IsNaN(newValue))
{
value[axis] = newValue;
}
threshold.vector2Value = value;
}
});
}
/************************************************************************************************************************/
private void InitialiseStandard4Directions(SerializedProperty property)
{
var oldSpeedCount = CurrentSpeeds.arraySize;
CurrentClips.arraySize = CurrentThresholds.arraySize = CurrentSpeeds.arraySize = 5;
CurrentThresholds.GetArrayElementAtIndex(0).vector2Value = Vector2.zero;
CurrentThresholds.GetArrayElementAtIndex(1).vector2Value = Vector2.up;
CurrentThresholds.GetArrayElementAtIndex(2).vector2Value = Vector2.right;
CurrentThresholds.GetArrayElementAtIndex(3).vector2Value = Vector2.down;
CurrentThresholds.GetArrayElementAtIndex(4).vector2Value = Vector2.left;
InitialiseSpeeds(oldSpeedCount);
var type = property.FindPropertyRelative("_Type");
type.enumValueIndex = (int)MixerType.Directional;
}
/************************************************************************************************************************/
/// <inheritdoc/>
protected override void AddThresholdFunctionsToMenu(UnityEditor.GenericMenu menu)
{
const string EvenlySpaced = "Evenly Spaced";
var count = CurrentThresholds.arraySize;
if (count <= 1)
{
menu.AddDisabledItem(new GUIContent(EvenlySpaced));
}
else
{
var first = CurrentThresholds.GetArrayElementAtIndex(0).floatValue;
var last = CurrentThresholds.GetArrayElementAtIndex(count - 1).floatValue;
if (last == first)
{
last++;
}
AddPropertyModifierFunction(menu, $"{EvenlySpaced} ({first} to {last})", (_) =>
{
for (int i = 0; i < count; i++)
{
CurrentThresholds.GetArrayElementAtIndex(i).floatValue = Mathf.Lerp(first, last, i / (float)(count - 1));
}
});
}
AddCalculateThresholdsFunction(menu, "From Speed",
(state, threshold) => AnimancerUtilities.TryGetAverageVelocity(state, out var velocity) ? velocity.magnitude : float.NaN);
AddCalculateThresholdsFunction(menu, "From Velocity X",
(state, threshold) => AnimancerUtilities.TryGetAverageVelocity(state, out var velocity) ? velocity.x : float.NaN);
AddCalculateThresholdsFunction(menu, "From Velocity Y",
(state, threshold) => AnimancerUtilities.TryGetAverageVelocity(state, out var velocity) ? velocity.y : float.NaN);
AddCalculateThresholdsFunction(menu, "From Velocity Z",
(state, threshold) => AnimancerUtilities.TryGetAverageVelocity(state, out var velocity) ? velocity.z : float.NaN);
AddCalculateThresholdsFunction(menu, "From Angular Speed (Rad)",
(state, threshold) => AnimancerUtilities.TryGetAverageAngularSpeed(state, out var speed) ? speed : float.NaN);
AddCalculateThresholdsFunction(menu, "From Angular Speed (Deg)",
(state, threshold) => AnimancerUtilities.TryGetAverageAngularSpeed(state, out var speed) ? speed * Mathf.Rad2Deg : float.NaN);
}
/// <inheritdoc/>
protected override void DoThresholdGUI(Rect area, int index)
{
var color = GUI.color;
if (index > 0)
{
var previousThreshold = CurrentThresholds.GetArrayElementAtIndex(index - 1);
var currentThreshold = CurrentThresholds.GetArrayElementAtIndex(index);
if (previousThreshold.floatValue >= currentThreshold.floatValue)
{
if (_SortingErrorContent == null)
{
_SortingErrorContent = new GUIContent(Editor.AnimancerGUI.LoadIcon("console.erroricon.sml"))
{
tooltip = "Linear Mixer Thresholds must always be unique and sorted in ascending order (click to sort)"
};
}
if (_SortingErrorStyle == null)
{
_SortingErrorStyle = new GUIStyle(GUI.skin.label)
{
padding = new RectOffset(),
}
}
;
var iconArea = Editor.AnimancerGUI.StealFromRight(ref area, area.height, Editor.AnimancerGUI.StandardSpacing);
if (GUI.Button(iconArea, _SortingErrorContent, _SortingErrorStyle))
{
Editor.Serialization.RecordUndo(Context.Property);
((LinearMixerTransition)Context.Transition).SortByThresholds();
}
GUI.color = Editor.AnimancerGUI.ErrorFieldColor;
}
}
base.DoThresholdGUI(area, index);
GUI.color = color;
}
/************************************************************************************************************************/
private static void AddCalculateThresholdsFunction(UnityEditor.GenericMenu menu, string label,
Func <AnimationClip, float, float> calculateThreshold)
{
AddPropertyModifierFunction(menu, label, (property) =>
{
var count = CurrentClips.arraySize;
for (int i = 0; i < count; i++)
{
var clip = CurrentClips.GetArrayElementAtIndex(i).objectReferenceValue as AnimationClip;
if (clip == null)
{
continue;
}
var threshold = CurrentThresholds.GetArrayElementAtIndex(i);
threshold.floatValue = calculateThreshold(clip, threshold.floatValue);
}
});
}
/// <summary>Draws the GUI of the threshold at the specified `index`.</summary>
protected override void DoThresholdGUI(Rect area, int index)
{
var color = GUI.color;
if (index > 0)
{
var previousThreshold = CurrentThresholds.GetArrayElementAtIndex(index - 1);
var currentThreshold = CurrentThresholds.GetArrayElementAtIndex(index);
if (previousThreshold.floatValue >= currentThreshold.floatValue)
{
if (_SortingErrorContent == null)
{
_SortingErrorContent = UnityEditor.EditorGUIUtility.IconContent("console.erroricon.sml");
_SortingErrorContent.tooltip = "Linear Mixer Thresholds must always be sorted in ascending order (click to sort)";
_SortingErrorStyle = new GUIStyle(GUI.skin.label)
{
padding = new RectOffset(),
};
}
var iconArea = Editor.AnimancerGUI.StealFromRight(ref area, area.height, Editor.AnimancerGUI.StandardSpacing);
if (GUI.Button(iconArea, _SortingErrorContent, _SortingErrorStyle))
{
var transition = (Transition)Context.Transition;
UnityEditor.Undo.RecordObjects(Context.Property.serializedObject.targetObjects, "Inspector");
transition.SortByThresholds();
}
GUI.color = Editor.AnimancerGUI.ErrorFieldColor;
}
}
base.DoThresholdGUI(area, index);
GUI.color = color;
}
/************************************************************************************************************************/
private void AddCalculateThresholdsFunction(UnityEditor.GenericMenu menu, string label,
Func <Object, float, float> calculateThreshold)
{
AddPropertyModifierFunction(menu, label, (property) =>
{
var count = CurrentAnimations.arraySize;
for (int i = 0; i < count; i++)
{
var state = CurrentAnimations.GetArrayElementAtIndex(i).objectReferenceValue;
if (state == null)
{
continue;
}
var threshold = CurrentThresholds.GetArrayElementAtIndex(i);
var value = calculateThreshold(state, threshold.floatValue);
if (!float.IsNaN(value))
{
threshold.floatValue = value;
}
}
});
}
/************************************************************************************************************************/
private void Initialize4Directions(SerializedProperty property)
{
var oldSpeedCount = CurrentSpeeds.arraySize;
CurrentAnimations.arraySize = CurrentThresholds.arraySize = CurrentSpeeds.arraySize = 5;
CurrentThresholds.GetArrayElementAtIndex(0).vector2Value = default;