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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2019 Leszek Koltunski //
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// //
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// This file is part of Distorted. //
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// //
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// Distorted is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Distorted is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.library.main;
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import java.util.ArrayList;
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import java.util.HashMap;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/**
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* This is a member of DistortedNode. Makes sure two isomorphic Nodes only get rendered once.
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*/
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class InternalNodeData
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{
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private static HashMap<ArrayList<Long>, InternalNodeData> mMapNodeID = new HashMap<>();
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private static long mNextNodeID =0;
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private final ArrayList<Long> key;
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private int numPointingNodes;
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private long currTime;
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final long ID;
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DistortedFramebuffer mFBO;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private InternalNodeData(long id, ArrayList<Long> k)
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{
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ID = id;
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key = k;
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numPointingNodes= 1;
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currTime =-1;
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mFBO = null;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static synchronized void onDestroy()
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{
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mNextNodeID = 0;
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mMapNodeID.clear();
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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@SuppressWarnings("unused")
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static void debugMap()
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{
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InternalNodeData tmp;
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for(ArrayList<Long> key: mMapNodeID.keySet())
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{
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tmp = mMapNodeID.get(key);
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android.util.Log.e("NodeData", "NodeID: "+tmp.ID+" <-- "+key);
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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static InternalNodeData returnData(ArrayList<Long> list)
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{
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InternalNodeData newData = mMapNodeID.get(list);
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if( newData!=null )
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{
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newData.numPointingNodes++;
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}
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else
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{
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newData = new InternalNodeData(++mNextNodeID,list);
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mMapNodeID.put(list,newData);
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}
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return newData;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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boolean removeData()
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{
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if( --numPointingNodes==0 )
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{
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mMapNodeID.remove(key);
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if( mFBO!=null ) return true;
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}
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return false;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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boolean notRenderedYetAtThisTime(long time)
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{
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if( currTime!=time )
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{
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currTime = time;
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return true;
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}
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return false;
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}
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}
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