public Object2ObjectSnapData GetObject2ObjectSnapData(GameObject gameObject)
{
if (_objectToSnapData.ContainsKey(gameObject))
{
return(_objectToSnapData[gameObject]);
}
Object2ObjectSnapData snapData = new Object2ObjectSnapData();
if (!snapData.Initialize(gameObject))
{
return(null);
}
_objectToSnapData.Add(gameObject, snapData);
return(snapData);
}
public static SnapResult CalculateSnapResult(GameObject root, Config snapConfig)
{
if (snapConfig.IgnoreDestObjects == null)
{
snapConfig.IgnoreDestObjects = new List <GameObject>();
}
List <GameObject> sourceObjects = root.GetAllChildrenAndSelf();
if (sourceObjects.Count > MaxSourceObjects)
{
return(new SnapResult(SnapFailReson.MaxObjectsExceeded));
}
List <GameObject> sourceMeshObjects = root.GetMeshObjectsInHierarchy();
List <GameObject> sourceSpriteObjects = root.GetSpriteObjectsInHierarchy();
if (sourceMeshObjects.Count == 0 && sourceSpriteObjects.Count == 0)
{
return(new SnapResult(SnapFailReson.InvalidSourceObjects));
}
ObjectBounds.QueryConfig boundsQConfig = new ObjectBounds.QueryConfig();
boundsQConfig.ObjectTypes = GameObjectType.Mesh | GameObjectType.Sprite;
Vector3 overlapSizeAdd = Vector3.one * snapConfig.SnapRadius * 2.0f;
List <BoxFace> allSnapFaces = BoxMath.AllBoxFaces;
bool tryMatchAreas = (snapConfig.Prefs & Prefs.TryMatchArea) != 0;
bool foundMatchingAreas = false;
List <SnapSortData> sortedSnapData = new List <SnapSortData>(10);
SnapSortData sortData = new SnapSortData();
foreach (GameObject sourceObject in sourceObjects)
{
OBB overlapOBB = ObjectBounds.CalcWorldOBB(sourceObject, boundsQConfig);
overlapOBB.Size = overlapOBB.Size + overlapSizeAdd;
List <GameObject> nearbyObjects = RTScene.Get.OverlapBox(overlapOBB);
nearbyObjects.RemoveAll(item => item.transform.IsChildOf(root.transform) ||
snapConfig.IgnoreDestObjects.Contains(item) || !LayerEx.IsLayerBitSet(snapConfig.DestinationLayers, item.layer));
if (nearbyObjects.Count == 0)
{
continue;
}
Object2ObjectSnapData sourceSnapData = Object2ObjectSnapDataDb.Get.GetObject2ObjectSnapData(sourceObject);
if (sourceSnapData == null)
{
continue;
}
sortData.SrcObject = sourceObject;
foreach (BoxFace srcSnapFace in allSnapFaces)
{
BoxFaceAreaDesc srcAreaDesc = sourceSnapData.GetWorldSnapAreaDesc(srcSnapFace);
OBB srcAreaBounds = sourceSnapData.GetWorldSnapAreaBounds(srcSnapFace);
List <Vector3> srcAreaPts = srcAreaBounds.GetCenterAndCornerPoints();
sortData.SrcSnapFace = srcSnapFace;
foreach (GameObject destObject in nearbyObjects)
{
Object2ObjectSnapData destSnapData = Object2ObjectSnapDataDb.Get.GetObject2ObjectSnapData(destObject);
if (destSnapData == null)
{
continue;
}
sortData.DestObject = destObject;
foreach (BoxFace destSnapFace in allSnapFaces)
{
sortData.DestSnapFace = destSnapFace;
BoxFaceAreaDesc destAreaDesc = destSnapData.GetWorldSnapAreaDesc(destSnapFace);
sortData.FaceAreasMatch = false;
if (tryMatchAreas && destAreaDesc.AreaType == srcAreaDesc.AreaType)
{
sortData.FaceAreaDiff = Mathf.Abs(destAreaDesc.Area - srcAreaDesc.Area);
if (sortData.FaceAreaDiff <= 1000.0f)
{
sortData.FaceAreasMatch = true;
}
}
OBB destAreaBounds = destSnapData.GetWorldSnapAreaBounds(destSnapFace);
List <Vector3> destAreaPts = destAreaBounds.GetCenterAndCornerPoints();
foreach (Vector3 srcPt in srcAreaPts)
{
sortData.SnapPivot = srcPt;
foreach (Vector3 destPt in destAreaPts)
{
sortData.SnapDistance = (destPt - srcPt).magnitude;
if (sortData.SnapDistance < snapConfig.SnapRadius)
{
sortData.SnapDest = destPt;
sortedSnapData.Add(sortData);
if (sortData.FaceAreasMatch)
{
foundMatchingAreas = true;
}
}
}
}
}
}
}
}
if (sortedSnapData.Count != 0)
{
if (!tryMatchAreas || !foundMatchingAreas)
{
sortedSnapData.Sort(delegate(SnapSortData s0, SnapSortData s1)
{
return(s0.SnapDistance.CompareTo(s1.SnapDistance));
});
}
else
{
while (true)
{
if (!sortedSnapData[0].FaceAreasMatch)
{
sortedSnapData.RemoveAt(0);
}
else
{
break;
}
}
sortedSnapData.Sort(delegate(SnapSortData s0, SnapSortData s1)
{
return(s0.FaceAreaDiff.CompareTo(s1.FaceAreaDiff));
});
}
return(new SnapResult(sortedSnapData[0].SnapPivot, sortedSnapData[0].SnapDest, sortedSnapData[0].SnapDistance));
}
return(new SnapResult(SnapFailReson.NoDestinationFound));
}