Distorted Android

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

// Copyright 2016 Leszek Koltunski                                                               //

//                                                                                               //

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

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

//                                                                                               //

// 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                             //

import java.nio.ByteOrder;

import java.nio.FloatBuffer;

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

   private static final int POS_DATA_SIZE= 3; // vertex coordinates: x,y,z

   private static final int NOR_DATA_SIZE= 3; // normal vector: x,y,z

   private static final int INF_DATA_SIZE= 3; // 'inflate' vector: x,y,z

   static final int POS_ATTRIB   = 0;

   static final int NOR_ATTRIB   = POS_DATA_SIZE;

   static final int INF_ATTRIB   = POS_DATA_SIZE + NOR_DATA_SIZE;

   private static final int OFFSET_NOR = NOR_ATTRIB*BYTES_PER_FLOAT;

   private static final int OFFSET_INF = INF_ATTRIB*BYTES_PER_FLOAT;

   private static final int OFFSET_TEX = TEX_ATTRIB*BYTES_PER_FLOAT;

   private static final int VERT2_SIZE = VERT2_ATTRIBS*BYTES_PER_FLOAT;

   private InternalBuffer mVBO1, mVBO2, mTFO; // main vertex buffer and transform feedback buffer

   private int[] mAndAssociation;

   private static int[] mAndAssociationH = new int[EffectQueue.MAIN_VARIANTS];

     private int mEndIndex;

       mTextureMap= new Static4D(0,0,1,1);

     Component(Component original)

       {

       mEndIndex = original.mEndIndex;

       float x = original.mTextureMap.get0();

       float y = original.mTextureMap.get1();

       float z = original.mTextureMap.get2();

       float w = original.mTextureMap.get3();

       mTextureMap = new Static4D(x,y,z,w);

     }

   private ArrayList<Component> mComponent;

     mInflate    = 0.0f;

     mComponent  = new ArrayList<>();

     mAndAssociation= new int[MAX_COMPONENTS];

       {

       mAndAssociation[i] = DEFAULT_ASSOCIATION;

       mEquAssociation[i] = i;

       }

     mVBO2= new InternalBuffer(GLES30.GL_ARRAY_BUFFER             , GLES30.GL_STATIC_READ);

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

// copy constructor

     mInflate    = original.mInflate;

     mNumVertices= original.mNumVertices;

     System.arraycopy(original.mAndAssociation, 0, mAndAssociation, 0, MAX_COMPONENTS);

     mEquAssociation= new int[MAX_COMPONENTS];

     System.arraycopy(original.mEquAssociation, 0, mEquAssociation, 0, MAX_COMPONENTS);

       {

       else mJobNode[0] = DeferredJobs.copy(this,original);

     else

       {

       mVBO1         = original.mVBO1;

       mVertAttribs1 = original.mVertAttribs1;

     mVBO1= new InternalBuffer(GLES30.GL_ARRAY_BUFFER, GLES30.GL_STATIC_READ);

     mVertAttribs1= new float[mNumVertices*VERT1_ATTRIBS];

     System.arraycopy(original.mVertAttribs1,0,mVertAttribs1,0,mNumVertices*VERT1_ATTRIBS);

     mVBO1.invalidate();

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

     mComponent = new ArrayList<>();

       {

       Component comp = new Component(original.mComponent.get(i));

       mComponent.add(comp);

       }

     mVertAttribs2= new float[mNumVertices*VERT2_ATTRIBS];

     System.arraycopy(original.mVertAttribs2,0,mVertAttribs2,0,mNumVertices*VERT2_ATTRIBS);

     mVBO2.invalidate();

   void merge()

     {

     int num = mComponent.size();

     if( num>1 )

       {

       mComponent.clear();

       mComponent.add(new Component(mNumVertices-1));

       for(int index=0; index<mNumVertices; index++)

         {

         mVertAttribs2[VERT2_ATTRIBS*index+COM_ATTRIB] = 0;

         }

       mVBO2.invalidate();

       }

     }

   int numComponents()

     {

     return mComponent.size();

     }

     mVertAttribs1= vert1Attribs;

     mVertAttribs2= vert2Attribs;

     mVBO2.invalidate();

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

     int origComponents=0,numComponents,numVertices;

       {

       mNumVertices+= ( mNumVertices%2==1 ? 2:1 );

       mComponent.get(origComponents-1).mEndIndex = mNumVertices-1;

       mesh = meshes[i];

       int extraVerticesAfter  = (i==numMeshes-1) ? 0 : (numVertices%2==1 ? 2:1);

         comp.mEndIndex += (extraVerticesBefore+mNumVertices+extraVerticesAfter);

         mComponent.add(comp);

           mEquAssociation[origComponents] = mesh.mEquAssociation[j];

       }

     if( origVertices>0 )

       {

       System.arraycopy(mVertAttribs1, VERT1_ATTRIBS*(origVertices-1), newAttribs1, VERT1_ATTRIBS*origVertices, VERT1_ATTRIBS    );

       System.arraycopy(mVertAttribs2, VERT2_ATTRIBS*(origVertices-1), newAttribs2, VERT2_ATTRIBS*origVertices, VERT2_ATTRIBS    );

         }

       }

       mesh = meshes[i];

         {

         }

           }

         }

       }

     if( origVertices!=mNumVertices )

       {

       android.util.Log.e("mesh", "join: origVertices: "+origVertices+" numVertices: "+mNumVertices);

       }

     for(int component=0; component<numComp; component++)

       {

       endIndex = mComponent.get(component).mEndIndex;

       for( ; index<=endIndex; index++) newAttribs2[VERT2_ATTRIBS*index+COM_ATTRIB] = component;

       }

// called from MeshJoined

   void join(MeshBase[] meshes)

     {

         {

         immediateJoin = false;

         break;

         }

     else                mJobNode[0] = DeferredJobs.join(this,meshes);

     }

     {

     int num_comp = mComponent.size();

     int num_maps = maps.length;

     int min = Math.min(num_comp, num_maps);

     int vertex = 0;

     Static4D newMap, oldMap;

     Component comp;

     float newW, newH, ratW, ratH, movX, movY;

       {

       newMap = maps[i];

       comp = mComponent.get(i);

       if( newMap!=null )

         newH = newMap.get3();

           ratW = newW/oldMap.get2();

           ratH = newH/oldMap.get3();

           movX = newMap.get0() - ratW*oldMap.get0();

           movY = newMap.get1() - ratH*oldMap.get1();

           for( int index=vertex*VERT2_ATTRIBS+TEX_ATTRIB ; vertex<=comp.mEndIndex; vertex++, index+=VERT2_ATTRIBS)

             {

             mVertAttribs2[index  ] = ratW*mVertAttribs2[index  ] + movX;

             mVertAttribs2[index+1] = ratH*mVertAttribs2[index+1] + movY;

             }

           comp.setMap(newMap);

         }

     }

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

     {

     return MAX_COMPONENTS;

     }

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

   public static void getUniforms(int mProgramH, int variant)

     {

     mAndAssociationH[variant] = GLES30.glGetUniformLocation( mProgramH, "vComAndAssoc");

/**

 * Not part of public API, do not document (public only because has to be used from the main package)

 *

 * @y.exclude

 */

   public void copyTransformToVertex()

     {

                                                              TRAN_SIZE*mNumVertices, GLES30.GL_MAP_READ_BIT);

       {

       feedback.get(mVertAttribs1,0,VERT1_ATTRIBS*mNumVertices);

       mVBO1.update(mVertAttribs1);

     else

       {

       Log.e("mesh", "failed to map tf buffer, error="+error);

/**

 * Not part of public API, do not document (public only because has to be used from the main package)

 *

 * @y.exclude

 */

   public void debug()

     {

     if( mJobNode[0]!=null )

       {

       mJobNode[0].print(0);

       }

     else

       {

       android.util.Log.e("mesh", "JobNode null");

       }

     }

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

/**

 * Not part of public API, do not document (public only because has to be used from the main package)

 *

 * @y.exclude

 */

   public void print()

     {

     StringBuffer sb = new StringBuffer();

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

       {

       sb.append('(');

       sb.append(mVertAttribs1[VERT1_ATTRIBS*i+POS_ATTRIB  ]);

       sb.append(',');

       sb.append(mVertAttribs1[VERT1_ATTRIBS*i+POS_ATTRIB+1]);

       sb.append(',');

       sb.append(mVertAttribs1[VERT1_ATTRIBS*i+POS_ATTRIB+2]);

       sb.append(") ");

       }

     StringBuffer sb2 = new StringBuffer();

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

       {

       sb2.append(mVertAttribs2[VERT2_ATTRIBS*i+COM_ATTRIB]);

       sb2.append(' ');

       }

     Log.d("mesh", sb.toString()+"\n"+sb2.toString());

     }

/**

 *

 * @y.exclude

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

/**

 *

 * @y.exclude

/**

 * Not part of public API, do not document (public only because has to be used from the main package)

 *

 * @y.exclude

 */

   public void send(int variant)

     {

     GLES30.glUniform1iv( mAndAssociationH[variant], MAX_COMPONENTS, mAndAssociation, 0);

 * Not part of public API, do not document (public only because has to be used from the main package)

 *

 * @y.exclude

 */

     int index2 = mVBO2.createImmediately(mNumVertices*VERT2_SIZE, mVertAttribs2);

     GLES30.glVertexAttribPointer(program.mAttribute[0], POS_DATA_SIZE, GLES30.GL_FLOAT, false, VERT1_SIZE, OFFSET_POS);

     GLES30.glVertexAttribPointer(program.mAttribute[1], NOR_DATA_SIZE, GLES30.GL_FLOAT, false, VERT1_SIZE, OFFSET_NOR);

     GLES30.glVertexAttribPointer(program.mAttribute[2], INF_DATA_SIZE, GLES30.GL_FLOAT, false, VERT1_SIZE, OFFSET_INF);

     GLES30.glBindBuffer(GLES30.GL_ARRAY_BUFFER, index2 );

     GLES30.glVertexAttribPointer(program.mAttribute[3], TEX_DATA_SIZE, GLES30.GL_FLOAT, false, VERT2_SIZE, OFFSET_TEX);

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

/**

 * Not part of public API, do not document (public only because has to be used from the main package)

 *

 * @y.exclude

 */

   public void bindTransformAttribs(DistortedProgram program)

     {

     GLES30.glVertexAttribPointer(program.mAttribute[0], POS_DATA_SIZE, GLES30.GL_FLOAT, false, 0, 0);

     GLES30.glBindBuffer(GLES30.GL_ARRAY_BUFFER, 0);

/**

 * Not part of public API, do not document (public only because has to be used from the main package)

 *

 * @y.exclude

 */

   public void setInflate(float inflate)

     {

     mInflate = inflate;

     }

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

/**

 * Not part of public API, do not document (public only because has to be used from the main package)

 *

 * @y.exclude

 */

   public float getInflate()

     {

     return mInflate;

     }

// PUBLIC API

/**

 * When rendering this Mesh, do we want to render the Normal vectors as well?

 * Will work only on OpenGL ES >= 3.0 devices.

 * @param show Controls if we render the Normal vectors or not.

 */

   public void setShowNormals(boolean show)

     {

/**

 * When rendering this mesh, should we also draw the normal vectors?

 *

 * @return <i>true</i> if we do render normal vectors

 */

   public boolean getShowNormals()

     {

     return mShowNormals;

     }

/**

 * Merge all components of this Mesh into a single one.

 */

   public void mergeComponents()

     {

       merge();

       }

     else

       {

       mJobNode[0] = DeferredJobs.merge(this);

       }

     }

/**

 * Release all internal resources.

 */

   public void markForDeletion()

     {

     mVertAttribs2 = null;

     mVBO2.markForDeletion();