public override void OnInspectorGUI()
{
serializedObject.UpdateIfRequiredOrScript();
Editor.DrawPropertiesExcluding(serializedObject, "m_Script");
// Get the particle actor editor to retrieve selected particles:
ObiParticleActorEditor[] editors = (ObiParticleActorEditor[])Resources.FindObjectsOfTypeAll(typeof(ObiParticleActorEditor));
// If there's any particle actor editor active, we can show pin constraints:
if (editors.Length > 0)
{
List <int> selectedPins = new List <int>();
List <int> removedPins = new List <int>();
if (constraints.GetBatches().Count > 0)
{
ObiPinConstraintBatch batch = (ObiPinConstraintBatch)constraints.GetBatches()[0];
// Get the list of pin constraints from the selected particles:
for (int i = 0; i < batch.ConstraintCount; i++)
{
int particleIndex = batch.pinIndices[i];
if (particleIndex >= 0 && particleIndex < ObiParticleActorEditor.selectionStatus.Length &&
ObiParticleActorEditor.selectionStatus[particleIndex])
{
selectedPins.Add(i);
}
}
if (selectedPins.Count > 0)
{
//Iterate over all constraints:
foreach (int i in selectedPins)
{
GUILayout.BeginVertical("box");
GUILayout.BeginHorizontal();
EditorGUI.BeginChangeCheck();
bool allowSceneObjects = !EditorUtility.IsPersistent(target);
batch.pinBodies[i] = EditorGUILayout.ObjectField("Pinned to:", batch.pinBodies[i], typeof(ObiCollider), allowSceneObjects) as ObiCollider;
// Calculate initial pin offset value after changing the rigidbody.
if (EditorGUI.EndChangeCheck() && batch.pinBodies[i] != null)
{
batch.pinOffsets[i] = batch.pinBodies[i].transform.InverseTransformPoint(constraints.Actor.GetParticlePosition(batch.pinIndices[i]));
}
Color oldColor = GUI.color;
GUI.color = Color.red;
if (GUILayout.Button("X", GUILayout.Width(30)))
{
// Mark this constraint to be removed outside of the loop.
removedPins.Add(i);
continue;
}
GUI.color = oldColor;
GUILayout.EndHorizontal();
batch.pinOffsets[i] = EditorGUILayout.Vector3Field("Offset:", batch.pinOffsets[i]);
batch.pinBreakResistance[i] = EditorGUILayout.DelayedFloatField("Break Resistance:", batch.pinBreakResistance[i]);
GUILayout.EndVertical();
}
}
else
{
EditorGUILayout.HelpBox("No pin constraints for the selected particles.", MessageType.Info);
}
if (GUILayout.Button("Remove selected"))
{
for (int i = 0; i < batch.ConstraintCount; i++)
{
int particleIndex = batch.pinIndices[i];
if (particleIndex >= 0 && particleIndex < ObiParticleActorEditor.selectionStatus.Length &&
ObiParticleActorEditor.selectionStatus[particleIndex])
{
removedPins.Add(i);
}
}
}
if (GUILayout.Button("Add Pin Constraint"))
{
Undo.RecordObject(constraints, "Add pin constraints");
bool wasInSolver = constraints.InSolver;
constraints.RemoveFromSolver(null);
for (int i = 0; i < ObiParticleActorEditor.selectionStatus.Length; i++)
{
if (ObiParticleActorEditor.selectionStatus[i])
{
batch.AddConstraint(i, null, Vector3.zero, 0);
}
}
if (wasInSolver)
{
constraints.AddToSolver(null);
}
}
// Remove selected constraint outside of constraint listing loop:
if (removedPins.Count > 0)
{
Undo.RecordObject(constraints, "Remove pin constraints");
bool wasInSolver = constraints.InSolver;
constraints.RemoveFromSolver(null);
// Remove from last to first, to avoid throwing off subsequent indices:
foreach (int i in removedPins.OrderByDescending(i => i))
{
batch.RemoveConstraint(i);
}
if (wasInSolver)
{
constraints.AddToSolver(null);
}
}
}
}
// Apply changes to the serializedProperty
if (GUI.changed)
{
serializedObject.ApplyModifiedProperties();
constraints.PushDataToSolver();
}
}
