344 lines
14 KiB
C#
344 lines
14 KiB
C#
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namespace Dreamteck.Splines.Editor
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{
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using UnityEngine;
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using UnityEditor;
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public class SplineSampleModifierEditor : SplineUserSubEditor
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{
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protected int selected = -1;
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protected bool drawAllKeys = false;
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protected virtual SerializedProperty _keysProperty => _keys;
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protected SerializedProperty _keys;
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protected SerializedProperty _blend;
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protected SerializedProperty _useClipped;
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protected SerializedProperty _modifier;
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protected virtual string _keysPropertyName => "keys";
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private int _deleteElement = -1;
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protected SerializedObject _serializedObject;
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public SplineSampleModifierEditor(SplineUser user, SplineUserEditor editor, string modifierPropertyPath = "") : base(user, editor)
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{
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title = "Sample Modifier";
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_serializedObject = new SerializedObject(user);
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string[] propertyPath = modifierPropertyPath.Split('/');
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var property = _serializedObject.FindProperty(propertyPath[0]);
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for (int i = 1; i < propertyPath.Length; i++)
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{
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if(propertyPath[i].StartsWith("[") && propertyPath[i].EndsWith("]"))
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{
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var num = propertyPath[i].Substring(1, propertyPath[i].Length - 2);
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property = property.GetArrayElementAtIndex(int.Parse(num));
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continue;
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}
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property = property.FindPropertyRelative(propertyPath[i]);
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}
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_modifier = property;
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_keys = _modifier.FindPropertyRelative(_keysPropertyName);
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_blend = _modifier.FindPropertyRelative("blend");
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_useClipped = _modifier.FindPropertyRelative("useClippedPercent");
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}
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public override void DrawInspector()
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{
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base.DrawInspector();
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if (!isOpen) return;
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if (_keysProperty.arraySize > 0)
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{
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drawAllKeys = EditorGUILayout.Toggle("Draw all Modules", drawAllKeys);
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}
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_serializedObject.Update();
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EditorGUI.BeginChangeCheck();
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for (int i = 0; i < _keysProperty.arraySize; i++)
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{
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EditorGUILayout.BeginVertical(EditorStyles.helpBox);
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SerializedProperty keyProperty = _keysProperty.GetArrayElementAtIndex(i);
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if (selected == i)
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{
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EditorGUI.BeginChangeCheck();
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KeyGUI(keyProperty);
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if (EditorGUI.EndChangeCheck()) user.Rebuild();
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}
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else
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{
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SerializedProperty start = keyProperty.FindPropertyRelative("_featherStart");
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SerializedProperty end = keyProperty.FindPropertyRelative("_featherEnd");
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EditorGUILayout.LabelField(i + " [" + (Mathf.Round(start.floatValue * 10) / 10f) + " - " + (Mathf.Round(end.floatValue * 10) / 10f) + "]");
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}
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EditorGUILayout.EndVertical();
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Rect lastRect = GUILayoutUtility.GetLastRect();
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if (lastRect.Contains(Event.current.mousePosition))
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{
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if(Event.current.type == EventType.MouseDown)
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{
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if(Event.current.button == 0)
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{
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selected = i;
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editor.Repaint();
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} else if (Event.current.button == 1)
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{
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int index = i;
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GenericMenu menu = new GenericMenu();
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menu.AddItem(new GUIContent("Delete"), false, delegate
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{
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_deleteElement = index;
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});
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menu.ShowAsContext();
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UpdateValues();
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_serializedObject.Update();
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}
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}
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}
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}
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EditorGUILayout.Space();
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if (_keysProperty.arraySize > 0)
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{
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EditorGUILayout.PropertyField(_blend);
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EditorGUILayout.PropertyField(_useClipped, new GUIContent("Use Clipped Percents", "Whether the percentages relate to the clip range of the user or not."));
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}
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if(_deleteElement >= 0)
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{
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_keysProperty.DeleteArrayElementAtIndex(_deleteElement);
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_deleteElement = -1;
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UpdateValues();
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} else
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{
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if (EditorGUI.EndChangeCheck())
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{
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UpdateValues();
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}
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}
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}
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public override void DrawScene()
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{
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base.DrawScene();
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_serializedObject.Update();
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bool changed = false;
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for (int i = 0; i < _keysProperty.arraySize; i++)
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{
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if (selected == i || drawAllKeys)
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{
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if(KeyHandles(_keysProperty.GetArrayElementAtIndex(i), selected == i))
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{
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changed = true;
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}
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}
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}
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if (changed)
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{
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UpdateValues();
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}
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}
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protected void UpdateValues()
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{
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if (_serializedObject != null)
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{
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_serializedObject.ApplyModifiedProperties();
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}
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user.Rebuild();
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editor.Repaint();
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}
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protected virtual SerializedProperty AddKey(float f, float t)
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{
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_keys.InsertArrayElementAtIndex(_keys.arraySize);
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var key = _keys.GetArrayElementAtIndex(_keys.arraySize - 1);
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SerializedProperty start = key.FindPropertyRelative("_featherStart");
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SerializedProperty end = key.FindPropertyRelative("_featherEnd");
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SerializedProperty centerStart = key.FindPropertyRelative("_centerStart");
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SerializedProperty centerEnd = key.FindPropertyRelative("_centerEnd");
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SerializedProperty blend = key.FindPropertyRelative("blend");
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SerializedProperty interpolation = key.FindPropertyRelative("interpolation");
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start.floatValue = Mathf.Clamp01(f);
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end.floatValue = Mathf.Clamp01(t);
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blend.floatValue = 1f;
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interpolation.animationCurveValue = AnimationCurve.Linear(0f, 0f, 1f, 1f);
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centerStart.floatValue = 0.1f;
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centerEnd.floatValue = 0.9f;
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return key;
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}
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protected virtual void KeyGUI(SerializedProperty keyProperty)
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{
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SerializedProperty start = keyProperty.FindPropertyRelative("_featherStart");
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SerializedProperty end = keyProperty.FindPropertyRelative("_featherEnd");
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SerializedProperty centerStart = keyProperty.FindPropertyRelative("_centerStart");
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SerializedProperty centerEnd = keyProperty.FindPropertyRelative("_centerEnd");
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SerializedProperty interpolation = keyProperty.FindPropertyRelative("interpolation");
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SerializedProperty blend = keyProperty.FindPropertyRelative("blend");
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EditorGUILayout.BeginHorizontal();
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EditorGUIUtility.labelWidth = 50f;
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start.floatValue = EditorGUILayout.Slider("Start", start.floatValue, 0f, 1f);
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end.floatValue = EditorGUILayout.Slider("End", end.floatValue, 0f, 1f);
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EditorGUILayout.EndHorizontal();
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EditorGUIUtility.labelWidth = 0f;
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float cs = centerStart.floatValue;
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float ce = centerEnd.floatValue;
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EditorGUILayout.MinMaxSlider("Center", ref cs, ref ce, 0f, 1f);
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centerStart.floatValue = cs;
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centerEnd.floatValue = ce;
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EditorGUILayout.PropertyField(interpolation);
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EditorGUILayout.PropertyField(blend);
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}
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protected static float GlobalToLocalPercent(float start, float end, float t)
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{
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if (start > end)
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{
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if (t > start) return Mathf.InverseLerp(start, start + (1f - start) + end, t);
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else if (t < end) return Mathf.InverseLerp(-(1f - start), end, t);
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else return 0f;
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}
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return Mathf.InverseLerp(start, end, t);
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}
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protected static float LocalToGlobalPercent(float start, float end, float t)
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{
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if (start > end)
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{
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t = Mathf.Lerp(start, start + (1f - start) + end, t);
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if (t > 1f)
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{
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t -= Mathf.Floor(t);
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}
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return t;
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}
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return Mathf.Lerp(start, end, t);
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}
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protected static float GetPosition(float start, float end, float centerStart, float centerEnd)
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{
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float center = Mathf.Lerp(centerStart, centerEnd, 0.5f);
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if (start > end)
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{
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float fromToEndDistance = 1f - start;
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float centerDistance = center * (fromToEndDistance + end);
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float pos = start + centerDistance;
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if (pos > 1f)
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{
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pos -= Mathf.Floor(pos);
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}
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return pos;
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}
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return Mathf.Lerp(start, end, center);
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}
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protected virtual bool KeyHandles(SerializedProperty key, bool edit)
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{
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if (!isOpen) return false;
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bool useClip = _useClipped.boolValue;
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SerializedProperty start = key.FindPropertyRelative("_featherStart");
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SerializedProperty end = key.FindPropertyRelative("_featherEnd");
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SerializedProperty centerStart = key.FindPropertyRelative("_centerStart");
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SerializedProperty centerEnd = key.FindPropertyRelative("_centerEnd");
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bool changed = false;
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double value = start.floatValue;
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if (useClip)
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{
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user.UnclipPercent(ref value);
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}
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SplineComputerEditorHandles.Slider(user.spline, ref value, user.spline.editorPathColor, "Start", SplineComputerEditorHandles.SplineSliderGizmo.ForwardTriangle, 0.8f);
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if (useClip)
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{
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user.ClipPercent(ref value);
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}
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if (start.floatValue != value)
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{
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start.floatValue = (float)value;
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changed = true;
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}
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value = LocalToGlobalPercent(start.floatValue, end.floatValue, centerStart.floatValue);
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if (useClip)
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{
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user.UnclipPercent(ref value);
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}
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SplineComputerEditorHandles.Slider(user.spline, ref value, user.spline.editorPathColor, "", SplineComputerEditorHandles.SplineSliderGizmo.Rectangle, 0.6f);
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if (useClip)
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{
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user.ClipPercent(ref value);
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}
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if (LocalToGlobalPercent(start.floatValue, end.floatValue, centerStart.floatValue) != value)
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{
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centerStart.floatValue = GlobalToLocalPercent(start.floatValue, end.floatValue, (float)value);
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changed = true;
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}
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value = LocalToGlobalPercent(start.floatValue, end.floatValue, centerEnd.floatValue);
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if (useClip)
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{
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user.UnclipPercent(ref value);
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}
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SplineComputerEditorHandles.Slider(user.spline, ref value, user.spline.editorPathColor, "", SplineComputerEditorHandles.SplineSliderGizmo.Rectangle, 0.6f);
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if (useClip)
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{
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user.ClipPercent(ref value);
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}
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if (LocalToGlobalPercent(start.floatValue, end.floatValue, centerEnd.floatValue) != value)
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{
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centerEnd.floatValue = GlobalToLocalPercent(start.floatValue, end.floatValue, (float)value);
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changed = true;
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}
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value = end.floatValue;
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if (useClip)
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{
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user.UnclipPercent(ref value);
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}
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SplineComputerEditorHandles.Slider(user.spline, ref value, user.spline.editorPathColor, "End", SplineComputerEditorHandles.SplineSliderGizmo.BackwardTriangle, 0.8f);
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if (useClip)
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{
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user.ClipPercent(ref value);
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}
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if (end.floatValue != value)
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{
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end.floatValue = (float)value;
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changed = true;
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}
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if (Event.current.control)
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{
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value = GetPosition(start.floatValue, end.floatValue, centerStart.floatValue, centerEnd.floatValue);
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double lastValue = value;
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if (useClip)
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{
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user.UnclipPercent(ref value);
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}
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SplineComputerEditorHandles.Slider(user.spline, ref value, user.spline.editorPathColor, "", SplineComputerEditorHandles.SplineSliderGizmo.Circle, 0.4f);
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if (useClip)
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{
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user.ClipPercent(ref value);
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}
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if (value != lastValue)
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{
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double delta = value - lastValue;
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start.floatValue += (float)delta;
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end.floatValue += (float)delta;
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start.floatValue = Mathf.Clamp01(start.floatValue);
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end.floatValue = Mathf.Clamp(end.floatValue, start.floatValue, 1f);
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changed = true;
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}
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}
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return changed;
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}
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}
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}
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