_xiaofang/xiaofang/Assets/Obi/Editor/ObiStitcherEditor.cs
杨号敬 bcc74f0465 add
2024-12-18 02:18:45 +08:00

288 lines
9.5 KiB
C#

using UnityEditor;
using UnityEngine;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
namespace Obi{
/**
* Custom inspector for ObiStitcher component.
*/
[CustomEditor(typeof(ObiStitcher))]
public class ObiStitcherEditor : Editor
{
ObiStitcher stitcher;
static public bool editing = false;
static public Vector3 sewingToolHandle1 = Vector3.zero;
static public Vector3 sewingToolHandle2 = Vector3.one;
static public bool[] selectionStatus = new bool[0];
public void OnEnable(){
stitcher = (ObiStitcher)target;
// initialize sewing tool to sensible values:
if (stitcher.Actor1 != null && stitcher.Actor2 != null){
sewingToolHandle1 = stitcher.Actor1.transform.position;
sewingToolHandle2 = stitcher.Actor2.transform.position;
}
}
public override void OnInspectorGUI() {
serializedObject.UpdateIfRequiredOrScript();
EditorGUI.BeginChangeCheck();
ObiActor actor1 = EditorGUILayout.ObjectField("First actor",stitcher.Actor1, typeof(ObiActor),true) as ObiActor;
if (EditorGUI.EndChangeCheck()){
Undo.RecordObject(stitcher, "Set first actor");
stitcher.Actor1 = actor1;
if (actor1 != null)
sewingToolHandle1 = actor1.transform.position;
PrefabUtility.RecordPrefabInstancePropertyModifications(stitcher);
}
EditorGUI.BeginChangeCheck();
ObiActor actor2 = EditorGUILayout.ObjectField("Second actor",stitcher.Actor2, typeof(ObiActor),true) as ObiActor;
if (EditorGUI.EndChangeCheck()){
Undo.RecordObject(stitcher, "Set second actor");
stitcher.Actor2 = actor2;
if (actor2 != null)
sewingToolHandle2 = actor2.transform.position;
PrefabUtility.RecordPrefabInstancePropertyModifications(stitcher);
}
if (stitcher.Actor1 != null && stitcher.Actor2 != null && stitcher.Actor1.solver != stitcher.Actor2.solver){
EditorGUILayout.HelpBox("Both actors must be managed by the same solver.",MessageType.Error);
}
EditorGUILayout.HelpBox("Stitch count: " + stitcher.StitchCount,MessageType.None);
// edit mode:
GUI.enabled = stitcher.Actor1 != null && stitcher.Actor2 != null;
editing = GUILayout.Toggle(editing,"Edit","LargeButton");
if (editing){
// Clear all stitches
if (GUILayout.Button("Clear all stitches")){
if (EditorUtility.DisplayDialog("Clearing stitches","Are you sure you want to remove all stitches?","Ok","Cancel")){
Undo.RecordObject(stitcher, "Clear all stitches");
stitcher.Clear();
PrefabUtility.RecordPrefabInstancePropertyModifications(stitcher);
}
}
// Remove selected stitches
if (GUILayout.Button("Remove selected stitches")){
List<int> removedStitches = new List<int>();
for(int i = 0; i < selectionStatus.Length; ++i){
if (selectionStatus[i]){
removedStitches.Add(i);
selectionStatus[i] = false;
}
}
if (removedStitches.Count > 0){
Undo.RecordObject(stitcher, "Remove stitches");
// Remove from last to first, to avoid throwing off subsequent indices:
foreach(int i in removedStitches.OrderByDescending(i => i)){
stitcher.RemoveStitch(i);
}
PrefabUtility.RecordPrefabInstancePropertyModifications(stitcher);
}
}
// Add stitch:
if (GUILayout.Button("Add Stitch"))
{
FindClosestParticles(out int particle1, out int particle2);
if (particle1 >= 0 && particle2 >= 0)
{
Undo.RecordObject(stitcher, "Add stitch");
stitcher.AddStitch(particle1, particle2);
PrefabUtility.RecordPrefabInstancePropertyModifications(stitcher);
}
}
}
GUI.enabled = true;
// Apply changes to the serializedProperty
if (GUI.changed){
serializedObject.ApplyModifiedProperties();
//stitcher.PushDataToSolver(ParticleData.NONE);
}
}
public void FindClosestParticles(out int particle1, out int particle2)
{
particle1 = -1;
particle2 = -1;
float minDistance = float.MaxValue;
if (stitcher.Actor1 == null || stitcher.Actor2 == null)
return;
var handle1 = HandleUtility.WorldToGUIPointWithDepth(sewingToolHandle1);
var handle2 = HandleUtility.WorldToGUIPointWithDepth(sewingToolHandle2);
if (stitcher.Actor1 == stitcher.Actor2)
{
float minDistance2 = float.MaxValue;
for (int i = 0; i < stitcher.Actor1.activeParticleCount;++i)
{
Vector3 pos = stitcher.Actor1.GetParticlePosition(stitcher.Actor1.solverIndices[i]);
pos = HandleUtility.WorldToGUIPointWithDepth(pos);
float distance1 = (pos - handle1).sqrMagnitude;
float distance2 = (pos - handle2).sqrMagnitude;
if (distance1 < minDistance){
minDistance = distance1;
particle1 = i;
}
if (distance2 < minDistance2){
minDistance2 = distance2;
particle2 = i;
}
}
}else{
// find closest particle to each end of the sewing tool:
for (int i = 0; i < stitcher.Actor1.activeParticleCount; ++i)
{
Vector3 pos = stitcher.Actor1.GetParticlePosition(stitcher.Actor1.solverIndices[i]);
pos = HandleUtility.WorldToGUIPointWithDepth(pos);
float min = (pos - handle1).sqrMagnitude;
if (min < minDistance)
{
minDistance = min;
particle1 = i;
}
}
minDistance = float.MaxValue;
for (int i = 0; i < stitcher.Actor2.activeParticleCount; ++i)
{
Vector3 pos = stitcher.Actor2.GetParticlePosition(stitcher.Actor2.solverIndices[i]);
pos = HandleUtility.WorldToGUIPointWithDepth(pos);
float min = (pos - handle2).sqrMagnitude;
if (min < minDistance)
{
minDistance = min;
particle2 = i;
}
}
}
}
public void DrawSewingTool()
{
FindClosestParticles(out int particle1, out int particle2);
if (particle1 >= 0 && particle2 >= 0)
{
sewingToolHandle1 = stitcher.Actor1.GetParticlePosition(stitcher.Actor1.solverIndices[particle1]);
sewingToolHandle2 = stitcher.Actor2.GetParticlePosition(stitcher.Actor2.solverIndices[particle2]);
float radius1 = stitcher.Actor1.GetParticleMaxRadius(stitcher.Actor1.solverIndices[particle1]);
float radius2 = stitcher.Actor2.GetParticleMaxRadius(stitcher.Actor2.solverIndices[particle2]);
Handles.color = Color.white;
#if (UNITY_2022_1_OR_NEWER)
sewingToolHandle1 = Handles.FreeMoveHandle(sewingToolHandle1, radius1 * 2, new Vector3(.5f,.5f,.5f),Handles.SphereHandleCap);
sewingToolHandle2 = Handles.FreeMoveHandle(sewingToolHandle2, radius2 * 2, new Vector3(.5f,.5f,.5f),Handles.SphereHandleCap);
#else
sewingToolHandle1 = Handles.FreeMoveHandle(sewingToolHandle1, Quaternion.identity, radius1 * 2, new Vector3(.5f, .5f, .5f), Handles.SphereHandleCap);
sewingToolHandle2 = Handles.FreeMoveHandle(sewingToolHandle2, Quaternion.identity, radius2 * 2, new Vector3(.5f, .5f, .5f), Handles.SphereHandleCap);
#endif
Vector3 direction = Vector3.Normalize(sewingToolHandle2 - sewingToolHandle1);
Handles.color = Color.yellow;
ObiEditorUtils.DrawArrowHandle(sewingToolHandle1 + direction*(radius1 + 0.05f), sewingToolHandle2 - direction*(radius2+0.05f));
}
}
/**
* Draws selected stitches in the scene view and allows their selection.
*/
public void OnSceneGUI(){
Array.Resize(ref selectionStatus,stitcher.StitchCount);
if (!editing)
return;
DrawSewingTool();
if (stitcher.Actor1 != null && stitcher.Actor2 != null){
int controlID = GUIUtility.GetControlID("stitcher".GetHashCode(),FocusType.Passive);
float distanceToClosest = float.MaxValue;
int selectedIndex = -1;
int i = 0;
foreach(ObiStitcher.Stitch stitch in stitcher.Stitches){
Vector3 pos1 = stitcher.Actor1.GetParticlePosition(stitcher.Actor1.solverIndices[stitch.particleIndex1]);
Vector3 pos2 = stitcher.Actor2.GetParticlePosition(stitcher.Actor2.solverIndices[stitch.particleIndex2]);
switch (Event.current.GetTypeForControl(controlID)){
case EventType.MouseDown:
if (Event.current.button != 0) break;
// If the user is pressing shift, accumulate selection.
if ((Event.current.modifiers & EventModifiers.Shift) == 0 && (Event.current.modifiers & EventModifiers.Alt) == 0){
for(int j = 0; j < selectionStatus.Length; j++)
selectionStatus[j] = false;
}
float distance = HandleUtility.DistanceToLine(pos1,pos2);
if (distance < 10 && distance < distanceToClosest){
distanceToClosest = distance;
selectedIndex = i;
// Prevent deselection if we have selected a stitch:
GUIUtility.hotControl = controlID;
Event.current.Use();
}
break;
case EventType.Repaint:
Handles.color = selectionStatus[i]?Color.red:Color.cyan;
Handles.DrawDottedLine(pos1,pos2,2);
break;
}
++i;
}
if (selectedIndex >= 0){
selectionStatus[selectedIndex] = !selectionStatus[selectedIndex];
}
}
}
}
}