private void OnSceneGUI()
{
path = target as EnemyPath;
handleTransform = path.transform;
if (Tools.pivotRotation == PivotRotation.Local)
{
handleRotation = handleTransform.rotation;
}
else
{
handleRotation = Quaternion.identity;
}
for (int i = 0; i < path.pathingPoints.Length; i++)
{
ShowPoint(i);
if (i < path.pathingPoints.Length - 1)
{
Handles.DrawBezier(handleTransform.TransformPoint(path.GetPointLocation(i)), handleTransform.TransformPoint(path.GetPointLocation(i + 1)), handleTransform.TransformPoint(path.GetControlPoint(i, 1) + path.GetPointLocation(i)), handleTransform.TransformPoint(path.GetControlPoint(i + 1, 0) + path.GetPointLocation(i + 1)), Color.white, null, 2f);
}
}
}
private void ShowPoint(int index)
{
// Show the point that the path passes through
Vector3 point = path.GetPointLocation(index);
// Store the control point location in variables
Vector3 controlPoint0Location = path.GetControlPoint(index, 0) + point;
Vector3 controlPoint1Location = path.GetControlPoint(index, 1) + point;
// Draw lines between the mid point and the control points to show what control points are connected to the path point
Handles.color = Color.grey;
Handles.DrawLine(handleTransform.TransformPoint(controlPoint0Location), handleTransform.TransformPoint(point));
Handles.DrawLine(handleTransform.TransformPoint(point), handleTransform.TransformPoint(controlPoint1Location));
// Store what point is selected so that a Handle can be drawn on that point
Handles.color = Color.white;
if (Handles.Button(handleTransform.TransformPoint(point), handleRotation, handleSize, pickSize, Handles.DotHandleCap))
{
selectedIndex = new Vector2Int(index, -1);
Repaint();
}
// If the selected point is the path point being accessed in the for loop
if (selectedIndex[0] == index && selectedIndex[1] == -1)
{
EditorGUI.BeginChangeCheck();
point = Handles.DoPositionHandle(handleTransform.TransformPoint(point), handleRotation);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(path, "Move Point");
path.SetPointLocation(index, handleTransform.InverseTransformPoint(point));
EditorUtility.SetDirty(path);
}
}
// Set the control point colour based on the mode
Handles.color = modeColours[(int)path.GetPointMode(index)];
// Show the controlPoint 0 handle if selected
if (Handles.Button(handleTransform.TransformPoint(controlPoint0Location), handleRotation, handleSize, pickSize, Handles.DotHandleCap))
{
selectedIndex = new Vector2Int(index, 0);
Repaint();
}
// If control point has been changed
if (selectedIndex[0] == index && selectedIndex[1] == 0)
{
EditorGUI.BeginChangeCheck();
controlPoint0Location = Handles.DoPositionHandle(handleTransform.TransformPoint(controlPoint0Location), handleRotation);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(path, "Move Control Point");
path.SetControlPoint(index, 0, handleTransform.InverseTransformPoint(controlPoint0Location - point));
EditorUtility.SetDirty(path);
}
}
// Show the controlPoint 1 and set it if selected and changed
if (Handles.Button(handleTransform.TransformPoint(controlPoint1Location), handleRotation, handleSize, pickSize, Handles.DotHandleCap))
{
selectedIndex = new Vector2Int(index, 1);
Repaint();
}
if (selectedIndex[0] == index && selectedIndex[1] == 1)
{
EditorGUI.BeginChangeCheck();
controlPoint1Location = Handles.DoPositionHandle(handleTransform.TransformPoint(controlPoint1Location), handleRotation);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(path, "Move Control Point");
path.SetControlPoint(index, 1, handleTransform.InverseTransformPoint(controlPoint1Location - point));
EditorUtility.SetDirty(path);
}
}
}
public override void OnInspectorGUI()
{
path = target as EnemyPath;
// Resize arrays expandItem and usePolarCoord to match the amount of points
if (expandItem.Length != path.pathingPoints.Length)
{
int oldSize = expandItem.Length;
Array.Resize(ref expandItem, path.pathingPoints.Length);
Array.Resize(ref usePolarCoord, path.pathingPoints.Length);
for (int i = oldSize - 1; i < expandItem.Length; i++)
{
expandItem[i] = false;
usePolarCoord[i] = false;
}
}
// Use for tooltip for point timings in point foldout
float ElaspedTravelTime = 0.0f;
EditorGUILayout.LabelField("Enemy Path");
for (int i = 0; i < path.pathingPoints.Length; i++)
{
// The foldout for the currently selected point will be bold
if (i == selectedIndex.x)
{
GUIStyle style = EditorStyles.foldout;
FontStyle previousStyle = style.fontStyle;
style.fontStyle = FontStyle.Bold;
expandItem[i] = EditorGUILayout.Foldout(expandItem[i], "Point " + i + "\tArrival Time: " + ElaspedTravelTime + "\tDepature Time: " + (ElaspedTravelTime + path.pathingPoints[i].GetDelayTime()), style);
style.fontStyle = previousStyle;
}
else
{
expandItem[i] = EditorGUILayout.Foldout(expandItem[i], "Point " + i + "\tArrival Time: " + ElaspedTravelTime + "\tDepatureTime: " + (ElaspedTravelTime + path.pathingPoints[i].GetDelayTime()));
}
// Add the total time the point will take for the next points timing tooltip
ElaspedTravelTime += path.pathingPoints[i].GetDelayTime() + path.pathingPoints[i].GetTravelTime();
if (expandItem[i])
{
EditorGUI.indentLevel++;
EditorGUI.BeginChangeCheck();
Vector3 point = EditorGUILayout.Vector2Field("Location", path.GetPointLocation(i));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(path, "Move Point");
path.SetPointLocation(i, point);
EditorUtility.SetDirty(path);
}
// Inspector Control Points
EditorGUILayout.LabelField("Control Points", EditorStyles.boldLabel);
// Toggle to display control points as Cartesian Coordinates(Default) or Polar Coordinates
usePolarCoord[i] = EditorGUILayout.Toggle("As Polar Coordinates", usePolarCoord[i]);
EditorGUI.indentLevel++;
EditorGUI.BeginChangeCheck();
Vector3 controlPoint0;
// If using polar coordinates convert to polar coordinates
if (usePolarCoord[i])
{
controlPoint0 = EditorGUILayout.Vector2Field("Control Point 0", CartesianToPolar(path.GetControlPoint(i, 0)));
}
else // Carry on using Cartesian as normal
{
controlPoint0 = EditorGUILayout.Vector2Field("Control Point 0", path.GetControlPoint(i, 0));
}
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(path, "Move Point");
// If using Polar Coordinates convert back to Cartesian
if (usePolarCoord[i])
{
controlPoint0 = PolarToCartesian(controlPoint0);
}
path.SetControlPoint(i, 0, controlPoint0);
EditorUtility.SetDirty(path);
}
// Second Control Point
EditorGUI.BeginChangeCheck();
Vector3 controlPoint1;
if (usePolarCoord[i])
{
controlPoint1 = EditorGUILayout.Vector2Field("Control Point 1", CartesianToPolar(path.GetControlPoint(i, 1)));
}
else
{
controlPoint1 = EditorGUILayout.Vector2Field("Control Point 1", path.GetControlPoint(i, 1));
}
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(path, "Move Point");
if (usePolarCoord[i])
{
controlPoint1 = PolarToCartesian(controlPoint1);
}
path.SetControlPoint(i, 1, controlPoint1);
EditorUtility.SetDirty(path);
}
EditorGUI.indentLevel--;
// Inspector Control Point Mode
EditorGUI.BeginChangeCheck();
BezierControlPointMode mode = (BezierControlPointMode)EditorGUILayout.EnumPopup("Mode", path.GetPointMode(i));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(path, "Change Point Mode");
path.SetPointMode(i, mode);
path.EnforceMode(i, 0);
EditorUtility.SetDirty(path);
}
// Travel Time
EditorGUI.BeginChangeCheck();
float travelTime = EditorGUILayout.FloatField("Travel Time", path.GetTravelTime(i));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(path, "Change Travel Time");
path.SetTravelTime(i, travelTime);
EditorUtility.SetDirty(path);
}
// Delay Time
EditorGUI.BeginChangeCheck();
float delayTime = EditorGUILayout.FloatField("Delay Time", path.GetDelayTime(i));
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(path, "Change Travel Time");
path.SetDelayTime(i, delayTime);
EditorUtility.SetDirty(path);
}
}
// Reset indent Level
EditorGUI.indentLevel = 0;
}
if (GUILayout.Button("Add Point"))
{
Undo.RecordObject(path, "Add Point");
path.AddCurve();
EditorUtility.SetDirty(path);
}
if (path.pathingPoints.Length > 2)
{
if (GUILayout.Button("Remove Point"))
{
Undo.RecordObject(path, "Remove Point");
path.RemoveCurve();
EditorUtility.SetDirty(path);
}
}
}