Distorted Android

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// Copyright 2016 Leszek Koltunski                                                               //

//                                                                                               //

// This file is part of Distorted.                                                               //

//                                                                                               //

// Distorted is free software: you can redistribute it and/or modify                             //

// it under the terms of the GNU General Public License as published by                          //

// the Free Software Foundation, either version 2 of the License, or                             //

// (at your option) any later version.                                                           //

//                                                                                               //

// Distorted is distributed in the hope that it will be useful,                                  //

// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                                 //

// GNU General Public License for more details.                                                  //

//                                                                                               //

// You should have received a copy of the GNU General Public License                             //

// along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //

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package org.distorted.library;

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/**

 * Keep all objects created in a static LinkedList. The point: we need to be able to mark

 * Objects for deletion, and delete all marked Objects later at a convenient time (that's

 * because we can only delete from a thread that holds the OpenGL context so here we provide a

 * framework where one is able to mark for deletion at any time and actual deletion takes place

 * on the next render).

*/

abstract class DistortedSurface

  {

  static final int NOT_CREATED_YET  = 2;

  static final int DONT_CREATE      = 3;

  static final int CREATED          = 4;

  static final int TYPE_TREE = 1;

  static final int TYPE_SYST = 2;

  private static final int JOB_DELETE = 1;

  private class Job

    {

    DistortedSurface surface;

    int action;

    Job(DistortedSurface s, int a)

      {

      surface = s;

      action  = a;

      }

    }

  private static LinkedList<DistortedSurface> mDoneList = new LinkedList<>();

  private static long mNextSystemID = 0;

  int mSizeX, mSizeY;  // in screen space

///////////////////////////////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////////////////////////

// must be called form a thread holding OpenGL Context

        if( job.action==JOB_CREATE )

          mDoneList.add(surface);

          {

          surface.delete();

          }

    }

    {

    int num = mDoneList.size();

    for(int i=0; i<num; i++)

      {

  static void debugLists()

    {

    android.util.Log.e("Surface", "Done list:");

    DistortedSurface surface;

    int num = mDoneList.size();

    for(int i=0; i<num; i++)

      {

      surface = mDoneList.get(i);

      surface.print(i, "");

      }

    Job job;

    int i=0;

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

    String str;

    else if( this instanceof DistortedTexture) str = (i+": Texture     ");

    else if( this instanceof DistortedScreen ) str = (i+": Screen      ");

    else                                       str = (i+": UNKNOWN     ");

      {

      case TYPE_SYST: str+=" SYSTEM"; break;

      case TYPE_USER: str+=" USER"  ; break;

      case TYPE_TREE: str+=" TREE"  ; break;

      default       : str+=" ERROR??";

    android.util.Log.e("Surface", str+extra);

///////////////////////////////////////////////////////////////////////////////////////////////////

    mSizeY        = height;

    mColorCreated = create;

    mColorH[0]    = 0;

    mType         = type;

    if( create!=DONT_CREATE )

      }

  synchronized void markForCreation()

    {

    mDoneList.remove(this);

    }

// PUBLIC API

///////////////////////////////////////////////////////////////////////////////////////////////////

    {

///////////////////////////////////////////////////////////////////////////////////////////////////

    {

    return mSizeX;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

    {

    return mSizeY;

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

 * Admittedly quite a strange method. Why do we need to pass a Mesh to it? Because one cannot determine

 * 'depth' of a Surface (bitmap really!) when rendered based only on the texture itself, that depends

 * on the Mesh it is rendered with.

 *

 * @return depth of the Object, in pixels.

    {

    return mesh==null ? 0 : (int)(mSizeX*mesh.zFactor);

    }

  }