CoalescedSceneObjects.cs

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 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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using System;
using System.Collections.Generic;
using System.Linq;
using OpenMetaverse;

namespace OpenSim.Region.Framework.Scenes
{
    public class CoalescedSceneObjects
    {   
        public UUID CreatorId { get; set; }
        
        public int Count
        {
            get
            {
                lock (m_memberObjects)
                    return m_memberObjects.Count;
            }
        }
        
        public bool HasObjects { get { return Count > 0; } }
        
        public List<SceneObjectGroup> Objects
        {
            get
            {
                lock (m_memberObjects)
                    return new List<SceneObjectGroup>(m_memberObjects);
            }
        }               
        
        public Scene Scene 
        { 
            get
            {
                if (!HasObjects)
                    return null;
                else
                    return Objects[0].Scene;
            }
        }
        
        protected List<SceneObjectGroup> m_memberObjects = new List<SceneObjectGroup>();
        
        public CoalescedSceneObjects(UUID creatorId) 
        {
            CreatorId = creatorId;
        }
        
        public CoalescedSceneObjects(UUID creatorId, params SceneObjectGroup[] objs) : this(creatorId)
        {            
            foreach (SceneObjectGroup obj in objs)
                Add(obj);
        }
            
        public void Add(SceneObjectGroup obj)
        {
            lock (m_memberObjects)
                m_memberObjects.Add(obj);
        }
        
        public bool Remove(SceneObjectGroup obj)
        {
            lock (m_memberObjects)
                return m_memberObjects.Remove(obj);
        }
        
        public Vector3[] GetSizeAndOffsets(out Vector3 size)
        {
            float minX, minY, minZ;
            float maxX, maxY, maxZ;

            Vector3[] offsets 
                = Scene.GetCombinedBoundingBox(
                    Objects, out minX, out maxX, out minY, out maxY, out minZ, out maxZ);
            
            float sizeX = maxX - minX;
            float sizeY = maxY - minY;
            float sizeZ = maxZ - minZ;
            
            size = new Vector3(sizeX, sizeY, sizeZ);
            
            return offsets;
        }
    }
}