TwistyPuzzleLib

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

// Copyright 2020 Leszek Koltunski                                                               //

//                                                                                               //

// This file is part of Magic Cube.                                                              //

//                                                                                               //

// along with the code. If not, check https://distorted.org/magic/License-Magic-Cube.html        //

package org.distorted.objectlib.main;

import java.io.IOException;

import java.io.InputStream;

import java.util.Random;

import android.graphics.Canvas;

import android.graphics.Paint;

import org.distorted.library.effect.Effect;

import org.distorted.library.effect.MatrixEffectMove;

import org.distorted.library.effect.MatrixEffectQuaternion;

import org.distorted.library.effect.MatrixEffectScale;

import org.distorted.library.effect.VertexEffectQuaternion;

import org.distorted.library.effect.VertexEffectRotate;

import org.distorted.library.main.DistortedLibrary;

import org.distorted.library.main.DistortedNode;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.mesh.MeshFile;

import org.distorted.library.mesh.MeshJoined;

import org.distorted.library.message.EffectListener;

import org.distorted.library.type.Dynamic1D;

import org.distorted.library.type.Static1D;

import org.distorted.library.type.Static3D;

import org.distorted.library.type.Static4D;

import org.distorted.objectlib.helpers.FactorySticker;

import org.distorted.objectlib.tablebases.TablebasesAbstract;

  public static final int MESH_FAST = 1;

  public static final int MODE_NORM = 1;

  public static final int COLOR_WHITE    = 0xffffffff;

  public static final int COLOR_BLUE     = 0xff0000ff;

  public static final int COLOR_GREEN    = 0xff00bb00;

  public static final int COLOR_RED      = 0xff990000;

  public static final int COLOR_ORANGE   = 0xffff6200;

  public static final int COLOR_GREY     = 0xff727c7b;

  public static final int COLOR_VIOLET   = 0xff7700bb;

  public static final int COLOR_STROKE   = 0xff000000;

  private static final int STATE_ROTATE  = 1;

  private static final int STATE_FINISH  = 2;

  static final int NUM_STICKERS_IN_ROW = 4;

  public static final float SQ2 = (float)Math.sqrt(2);

  public static final float SQ3 = (float)Math.sqrt(3);

  public static final float SQ5 = (float)Math.sqrt(5);

  public static final float SQ6 = (float)Math.sqrt(6);

  private static final float MAX_SIZE_CHANGE = 1.35f;

  private static final float MIN_SIZE_CHANGE = 0.75f;

  private static final Static3D CENTER = new Static3D(0,0,0);

  private static final int POST_ROTATION_MILLISEC = 500;

  private float[] mStickerScales;

  private TwistyObjectSolved mSolved;

  private float[][] mCuts;

  private int[] mNumCuts;

  private float[][] mOrigPos;

  private boolean mIsInMixupMode;

  private float mSize;

  private VertexEffectRotate mRotateEffect;

  private Dynamic1D mRotationAngle;

  private Static3D mRotationAxis;

  private Static3D mObjectScale;

  private int[] mQuatDebug;

  private Static1D mRotationAngleStatic, mRotationAngleMiddle, mRotationAngleFinal;

  private DistortedTexture mTexture;

  private float mInitScreenRatio;

  private boolean mIsBandaged;

  private int mNumTexRows, mNumTexCols;

  private int mRotRowBitmap;

  private int mNumCubitVariants;

  private boolean[] mBelongs;

  private float[] mTmp;

  private String mErrorString;

  private int mNumAxis;

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

      {

      setReader(reader);

      mNumLayers = reader.getNumLayers();

      mSize      = reader.getSize();

      mInitData  = null;

      if( asset!=null ) asset.close();

      mErrorString=null;

      }

    catch(Exception ex)

      {

      mError = true;

      mErrorString = ex.getMessage();

      }

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

    if( asset!=null ) asset.close();

    mErrorString = null;

  private void debugQuat(Static4D quat, int cubitIndex, float axisX, float axisY, float axisZ, float angle, int place)

    {

    float[] tracking = mCubits[cubitIndex].getTrackingPoint();

    mInterface.reportProblem(problem,true);

    }

    mInitScreenRatio = getScreenRatio();

    mNumQuats = mObjectQuats.length;

    mOrigPos = getCubitPositions(mNumLayers);

    mRowOffsets = new float[mNumPuzzleFaces][3];

    mMaxNumLayers = -1;

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

      }

    mNumFaceColors = getNumFaceColors();

    int[][] algorithms = getScrambleAlgorithms();

    TablebasesAbstract tablebase = res!=null ? getTablebase(res) : null;

    mScrambler = new ObjectScrambler(scramblingType,mNumAxis,mNumLayers,algorithms,edges,tablebase);

    boolean bandaged=false;

      if( mOrigPos[c].length>3 )

        {

        bandaged=true;

        break;

        }

      }

    mIsBandaged = bandaged;

    mRotationAngle= new Dynamic1D();

    mRotationAxis = new Static3D(1,0,0);

    mRotateEffect = new VertexEffectRotate(mRotationAngle, mRotationAxis, CENTER);

    mRotationAngleStatic = new Static1D(0);

    mRotationAngleMiddle = new Static1D(0);

    mRotationAngleFinal  = new Static1D(0);

    setObjectRatioNow(scale,720);

    createQuaternionEffects();

    int index = getSolvedFunctionIndex();

    mSolved = new TwistyObjectSolved(this,mOrigPos,index);

    mEffects.apply(mRotateEffect);

    mEffects.apply(quatEffect);

    mEffects.apply(scaleEffect);

  private TablebasesAbstract getTablebase(Resources res)

    {

    ObjectSignature signature = getSignature();

    long[] array = signature.getArray();

    int len = array.length;

    int sig = (int)array[len-1];

    return ImplementedTablebasesList.createPacked(res,sig);

    }

  private void createQuaternionEffects()

    {

    if( mNumQuats<=ObjectControl.MAX_QUATS )

      {

      mIsInMixupMode = false;

      for( int q=0; q<mNumQuats; q++)

        {

        VertexEffectQuaternion vq = new VertexEffectQuaternion(mObjectQuats[q],CENTER);

        vq.setMeshAssociation(0,q);

        mEffects.apply(vq);

        }

      }

    else if( mNumCubits<=ObjectControl.MAX_QUATS )

      {

      mIsInMixupMode = true;

      mMixupModeQuats = new Static4D[mNumCubits];

      for( int q=0; q<mNumCubits; q++)

        {

        mMixupModeQuats[q] = new Static4D(mObjectQuats[0]);

        VertexEffectQuaternion vq = new VertexEffectQuaternion(mMixupModeQuats[q],CENTER);

        vq.setMeshAssociation(0,q);

        mEffects.apply(vq);

        }

      }

    else

      {

      android.util.Log.e("D", "object has too many quaternions ("+mNumQuats+") or too many cubits ("+mNumCubits+")");

      }

    }

  private Static3D getPos(float[] origPos)

    {

    int len = origPos.length/3;

    float sumX = 0.0f;

    float sumY = 0.0f;

    float sumZ = 0.0f;

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

      {

      sumX += origPos[3*i  ];

      sumY += origPos[3*i+1];

      sumZ += origPos[3*i+2];

      }

    sumX /= len;

    sumY /= len;

    sumZ /= len;

    return new Static3D(sumX,sumY,sumZ);

    }

  private void createOuterFaces()

    {

    for(int v=0; v<mNumCubitVariants; v++)

      {

      int[][] indices = mShapes[v].getVertIndices();

      int faces = indices.length;

      mVariantFaceIsOuter[v] = new int[faces];

      }

      int variant = getCubitVariant(cubit,mNumLayers);

      int[][] indices = mShapes[variant].getVertIndices();

      int numFaces = indices.length;

      for(int face=0; face<numFaces; face++)

          mVariantFaceIsOuter[variant][face] = 1;

          }

      }

    }

  private void getQuatsAndShapes(boolean fromDMESH, boolean fromJSON)

    {

    mNumCubitVariants = getNumCubitVariants(mNumLayers);

    if( !fromDMESH || !fromJSON )

      {

      FactoryCubit factory = FactoryCubit.getInstance();

      factory.clear();

      mShapes = new ObjectShape[mNumCubitVariants];

      for(int i=0; i<mNumCubitVariants; i++) mShapes[i] = getObjectShape(i);

      mNumCubitFaces = ObjectShape.computeNumComponents(mShapes);

      for(int i=0; i<mNumCubits; i++) mOrigQuat[i] = getCubitQuats(i,mNumLayers);

        createOuterFaces();

    }

      try

        {

      catch(IOException e)

        {

      }

    else

      {

        cubitMesh[i].apply(new MatrixEffectMove(pos),1,0);

        }

      mMesh = new MeshJoined(cubitMesh);

      float pillowCoeff = getPillowCoeff();

      if( pillowCoeff!=1.0f )

        {

        float radius = getCircumscribedRadius();

        Static1D coeff = new Static1D(pillowCoeff);

        Static4D region= new Static4D(0,0,0,radius);

        VertexEffectSink sink = new VertexEffectSink(coeff,CENTER,region);

        mMesh.apply(sink);

        }

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

      {

      }

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

    int variant = getCubitVariant(cubit,numLayers);

    if( mMeshes[variant]==null )

      {

    MeshBase mesh = mMeshes[variant].copy(true);

    return mesh;

    }

  private void setUpTextures(boolean fromDMESH, boolean fromJSON)

    {

    mTexture = new DistortedTexture();

    if( fromJSON )

      {

      mNumStickerTypes = getNumStickerTypes();

      mNumCubitFaces = getNumCubitFaces();

      }

    else

      {

      FactoryCubit factory = FactoryCubit.getInstance();

    mNumOverrides = mStickerOverrides==null ? 0 : mStickerOverrides.length;

    mNumTextures= mNumFaceColors*mNumStickerTypes + mNumOverrides;

    if( mNumTexCols*mNumTexRows < mNumTextures+1 ) mNumTexRows++;

    if( !fromDMESH || shouldResetTextureMaps() ) resetAllTextureMaps();

    }

  public InitData getInitData()

    {

    return mInitData;

    }

  public boolean isInIconMode()

    {

    return mIconMode==MODE_ICON;

    }

    return face>=mStickerVariants[variant].length ? -1 : mStickerVariants[variant][face];

    }

  public boolean shouldResetTextureMaps()

    {

    return false;

    }

  public int[][] getScrambleAlgorithms()

    {

  private boolean sticksOut(Static3D[] faceAxis, float[] dist, float x, float y, float z )

    {

    final float MAXERR = 0.05f;

    int numAxis = dist.length;

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

      {

      Static3D ax = faceAxis[i];

      float len = ax.get0()*x + ax.get1()*y + ax.get2()*z;

    return false;

    }

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

    float[] dist3D = getDist3D(mNumLayers);

    for( float[] vertex : vertices)

      {

      float x = vertex[0];

      float y = vertex[1];

      float z = vertex[2];

      QuatHelper.rotateVectorByQuat(tmp, x, y, z, 1, quat);

      float my = tmp[1] + py;

      float mz = tmp[2] + pz;

      if( sticksOut(axis, dist3D, mx,my,mz) ) return false;

      }

    return true;

    }

  private float computeAvg(float[] pos, int offset)

    {

    int len = pos.length/3;

    float ret=0.0f;

    for(int i=0; i<len; i++) ret += pos[3*i+offset];

    ret /= len;

    return ret;

    }

  protected void displayCubitQuats()

    {

    StringBuilder builder = new StringBuilder();

    float[] tmp = new float[4];

    for(int cubit=0; cubit<mNumCubits; cubit++)

      {

      builder.append(" : ");

      for(refCubit=0; refCubit<mNumCubits; refCubit++)

        {

        if( getCubitVariant(refCubit,mNumLayers)==variant ) break;

        }

      float[] curpos = mOrigPos[cubit];