| 1 |
29b82486
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 2 |
|
|
// Copyright 2021 Leszek Koltunski //
|
| 3 |
|
|
// //
|
| 4 |
|
|
// This file is part of Magic Cube. //
|
| 5 |
|
|
// //
|
| 6 |
babb7b08
|
Leszek Koltunski
|
// Magic Cube is proprietary software licensed under an EULA which you should have received //
|
| 7 |
|
|
// along with the code. If not, check https://distorted.org/magic/License-Magic-Cube.html //
|
| 8 |
29b82486
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 9 |
|
|
|
| 10 |
10b7e306
|
Leszek Koltunski
|
package org.distorted.objectlib.scrambling;
|
| 11 |
198c5bf0
|
Leszek Koltunski
|
|
| 12 |
0e311558
|
Leszek Koltunski
|
import java.util.ArrayList;
|
| 13 |
29b82486
|
Leszek Koltunski
|
import java.util.Random;
|
| 14 |
|
|
|
| 15 |
1d581993
|
Leszek Koltunski
|
import org.distorted.objectlib.helpers.ObjectSignature;
|
| 16 |
|
|
|
| 17 |
29b82486
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 18 |
|
|
|
| 19 |
10b7e306
|
Leszek Koltunski
|
public class ObjectScrambler
|
| 20 |
29b82486
|
Leszek Koltunski
|
{
|
| 21 |
|
|
private final ScrambleState[] mStates;
|
| 22 |
|
|
private final int mType;
|
| 23 |
|
|
private final int mNumAxis;
|
| 24 |
a57e6870
|
Leszek Koltunski
|
private final int[] mNumLayers;
|
| 25 |
9ba7f3f6
|
Leszek Koltunski
|
private final int[][] mAlgorithms;
|
| 26 |
29b82486
|
Leszek Koltunski
|
|
| 27 |
|
|
// type=0, i.e. main
|
| 28 |
|
|
private int mCurrState;
|
| 29 |
9ba7f3f6
|
Leszek Koltunski
|
private int mAxisExcluded;
|
| 30 |
29b82486
|
Leszek Koltunski
|
private int[][] mScrambleTable;
|
| 31 |
|
|
private int[] mNumOccurences;
|
| 32 |
e9ec2e9d
|
Leszek Koltunski
|
private int[] mResult;
|
| 33 |
1b5f9f0e
|
Leszek Koltunski
|
private int mCurrAlgorithm;
|
| 34 |
|
|
private int mCurrStep;
|
| 35 |
29b82486
|
Leszek Koltunski
|
|
| 36 |
|
|
// type=1, i.e. the exception: Square-1
|
| 37 |
|
|
private static final int BASIC_ANGLE = 12;
|
| 38 |
|
|
private static final int LAST_SL = 0; // automatic rotations: last rot was a 'slash' i.e. along ROT_AXIS[1]
|
| 39 |
|
|
private static final int LAST_UP = 1; // last rot was along ROT_AXIS[0], upper layer and forelast was a slash
|
| 40 |
|
|
private static final int LAST_LO = 2; // last rot was along ROT_AXIS[0], lower layer and forelast was a slash
|
| 41 |
|
|
private static final int LAST_UL = 3; // two last rots were along ROT_AXIS[0] (so the next must be a slash)
|
| 42 |
|
|
|
| 43 |
|
|
private int[][] mPermittedAngles;
|
| 44 |
|
|
private int[] mCornerQuat;
|
| 45 |
|
|
private int mPermittedUp, mPermittedDo;
|
| 46 |
|
|
private int[][] mBadCornerQuats;
|
| 47 |
|
|
private int mLastRot;
|
| 48 |
|
|
private int[][] mQuatMult;
|
| 49 |
|
|
|
| 50 |
95123ad0
|
Leszek Koltunski
|
// type=2 , i.e. locally created bandaged cuboids
|
| 51 |
e342c3f7
|
Leszek Koltunski
|
private ArrayList<ScrambleStateBandagedCuboid> mStatesHistory;
|
| 52 |
|
|
private BlacklistedSignatures mBlacklisted;
|
| 53 |
0e311558
|
Leszek Koltunski
|
|
| 54 |
29b82486
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 55 |
|
|
|
| 56 |
9ba7f3f6
|
Leszek Koltunski
|
public ObjectScrambler(int type, int numAxis, int[] numLayers, int[][] algorithms, int[][] edges)
|
| 57 |
29b82486
|
Leszek Koltunski
|
{
|
| 58 |
9ba7f3f6
|
Leszek Koltunski
|
mType = type;
|
| 59 |
|
|
mNumAxis = numAxis;
|
| 60 |
|
|
mNumLayers = numLayers;
|
| 61 |
|
|
mAlgorithms = algorithms;
|
| 62 |
|
|
|
| 63 |
e9ec2e9d
|
Leszek Koltunski
|
if( mType==0 )
|
| 64 |
|
|
{
|
| 65 |
|
|
mResult = new int[2];
|
| 66 |
|
|
}
|
| 67 |
|
|
|
| 68 |
9ba7f3f6
|
Leszek Koltunski
|
if( edges!=null )
|
| 69 |
|
|
{
|
| 70 |
|
|
int numEdges = edges.length;
|
| 71 |
|
|
mStates = new ScrambleState[numEdges];
|
| 72 |
|
|
for(int i=0; i<numEdges; i++) mStates[i] = new ScrambleState(edges[i],algorithms);
|
| 73 |
|
|
}
|
| 74 |
|
|
else mStates = null;
|
| 75 |
29b82486
|
Leszek Koltunski
|
|
| 76 |
|
|
if( mType==1 )
|
| 77 |
|
|
{
|
| 78 |
|
|
mPermittedAngles = new int[2][BASIC_ANGLE];
|
| 79 |
|
|
mCornerQuat = new int[8];
|
| 80 |
|
|
mLastRot = LAST_SL;
|
| 81 |
|
|
}
|
| 82 |
|
|
}
|
| 83 |
|
|
|
| 84 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 85 |
|
|
|
| 86 |
|
|
private void initializeScrambling()
|
| 87 |
|
|
{
|
| 88 |
9ba7f3f6
|
Leszek Koltunski
|
if( mScrambleTable==null )
|
| 89 |
29b82486
|
Leszek Koltunski
|
{
|
| 90 |
a57e6870
|
Leszek Koltunski
|
mScrambleTable = new int[mNumAxis][];
|
| 91 |
29b82486
|
Leszek Koltunski
|
}
|
| 92 |
9ba7f3f6
|
Leszek Koltunski
|
if( mNumOccurences==null )
|
| 93 |
29b82486
|
Leszek Koltunski
|
{
|
| 94 |
|
|
int max=0;
|
| 95 |
|
|
|
| 96 |
|
|
for (ScrambleState mState : mStates)
|
| 97 |
|
|
{
|
| 98 |
9ba7f3f6
|
Leszek Koltunski
|
int tmp = mState.getTotal();
|
| 99 |
29b82486
|
Leszek Koltunski
|
if (max < tmp) max = tmp;
|
| 100 |
|
|
}
|
| 101 |
|
|
|
| 102 |
|
|
mNumOccurences = new int[max];
|
| 103 |
|
|
}
|
| 104 |
|
|
|
| 105 |
|
|
for(int i=0; i<mNumAxis; i++)
|
| 106 |
a57e6870
|
Leszek Koltunski
|
{
|
| 107 |
|
|
int len = mNumLayers[i];
|
| 108 |
|
|
mScrambleTable[i] = new int[len];
|
| 109 |
|
|
for(int j=0; j<len; j++) mScrambleTable[i][j] = 0;
|
| 110 |
|
|
}
|
| 111 |
29b82486
|
Leszek Koltunski
|
}
|
| 112 |
|
|
|
| 113 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 114 |
|
|
// PUBLIC API
|
| 115 |
|
|
|
| 116 |
a72a4b6a
|
Leszek Koltunski
|
private void randomizeNewScramble0(int[][] scramble, Random rnd, int curr)
|
| 117 |
29b82486
|
Leszek Koltunski
|
{
|
| 118 |
|
|
if( curr==0 )
|
| 119 |
|
|
{
|
| 120 |
9ba7f3f6
|
Leszek Koltunski
|
mCurrState = 0;
|
| 121 |
|
|
mAxisExcluded =-1;
|
| 122 |
29b82486
|
Leszek Koltunski
|
initializeScrambling();
|
| 123 |
|
|
}
|
| 124 |
|
|
|
| 125 |
1b5f9f0e
|
Leszek Koltunski
|
if( mCurrStep+6 <= mAlgorithms[mCurrAlgorithm].length )
|
| 126 |
|
|
{
|
| 127 |
|
|
mCurrStep += 3;
|
| 128 |
|
|
}
|
| 129 |
|
|
else
|
| 130 |
|
|
{
|
| 131 |
|
|
mStates[mCurrState].getRandom(rnd, mAlgorithms, mAxisExcluded, mScrambleTable, mNumOccurences, mResult);
|
| 132 |
|
|
mCurrAlgorithm = mResult[0];
|
| 133 |
|
|
mCurrState = mResult[1];
|
| 134 |
|
|
mCurrStep = 0;
|
| 135 |
|
|
}
|
| 136 |
29b82486
|
Leszek Koltunski
|
|
| 137 |
1b5f9f0e
|
Leszek Koltunski
|
int[] algorithm = mAlgorithms[mCurrAlgorithm];
|
| 138 |
|
|
scramble[curr][0] = algorithm[mCurrStep ];
|
| 139 |
|
|
scramble[curr][1] = algorithm[mCurrStep+1];
|
| 140 |
|
|
scramble[curr][2] = algorithm[mCurrStep+2];
|
| 141 |
29b82486
|
Leszek Koltunski
|
|
| 142 |
9ba7f3f6
|
Leszek Koltunski
|
mAxisExcluded = algorithm[0];
|
| 143 |
29b82486
|
Leszek Koltunski
|
}
|
| 144 |
|
|
|
| 145 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 146 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
| 147 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 148 |
|
|
// QUATS[i]*QUATS[j] = QUATS[QUAT_MULT[i][j]]
|
| 149 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 150 |
|
|
|
| 151 |
|
|
void initializeQuatMult()
|
| 152 |
|
|
{
|
| 153 |
|
|
mQuatMult = new int[][]
|
| 154 |
|
|
{
|
| 155 |
|
|
{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,},
|
| 156 |
|
|
{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 12,},
|
| 157 |
|
|
{ 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0, 1, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 12, 13,},
|
| 158 |
|
|
{ 3, 4, 5, 6, 7, 8, 9, 10, 11, 0, 1, 2, 15, 16, 17, 18, 19, 20, 21, 22, 23, 12, 13, 14,},
|
| 159 |
|
|
{ 4, 5, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 16, 17, 18, 19, 20, 21, 22, 23, 12, 13, 14, 15,},
|
| 160 |
|
|
{ 5, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 17, 18, 19, 20, 21, 22, 23, 12, 13, 14, 15, 16,},
|
| 161 |
|
|
{ 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5, 18, 19, 20, 21, 22, 23, 12, 13, 14, 15, 16, 17,},
|
| 162 |
|
|
{ 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5, 6, 19, 20, 21, 22, 23, 12, 13, 14, 15, 16, 17, 18,},
|
| 163 |
|
|
{ 8, 9, 10, 11, 0, 1, 2, 3, 4, 5, 6, 7, 20, 21, 22, 23, 12, 13, 14, 15, 16, 17, 18, 19,},
|
| 164 |
|
|
{ 9, 10, 11, 0, 1, 2, 3, 4, 5, 6, 7, 8, 21, 22, 23, 12, 13, 14, 15, 16, 17, 18, 19, 20,},
|
| 165 |
|
|
{ 10, 11, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 22, 23, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,},
|
| 166 |
|
|
{ 11, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 23, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22,},
|
| 167 |
|
|
{ 12, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1,},
|
| 168 |
|
|
{ 13, 12, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2,},
|
| 169 |
|
|
{ 14, 13, 12, 23, 22, 21, 20, 19, 18, 17, 16, 15, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4, 3,},
|
| 170 |
|
|
{ 15, 14, 13, 12, 23, 22, 21, 20, 19, 18, 17, 16, 3, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5, 4,},
|
| 171 |
|
|
{ 16, 15, 14, 13, 12, 23, 22, 21, 20, 19, 18, 17, 4, 3, 2, 1, 0, 11, 10, 9, 8, 7, 6, 5,},
|
| 172 |
|
|
{ 17, 16, 15, 14, 13, 12, 23, 22, 21, 20, 19, 18, 5, 4, 3, 2, 1, 0, 11, 10, 9, 8, 7, 6,},
|
| 173 |
|
|
{ 18, 17, 16, 15, 14, 13, 12, 23, 22, 21, 20, 19, 6, 5, 4, 3, 2, 1, 0, 11, 10, 9, 8, 7,},
|
| 174 |
|
|
{ 19, 18, 17, 16, 15, 14, 13, 12, 23, 22, 21, 20, 7, 6, 5, 4, 3, 2, 1, 0, 11, 10, 9, 8,},
|
| 175 |
|
|
{ 20, 19, 18, 17, 16, 15, 14, 13, 12, 23, 22, 21, 8, 7, 6, 5, 4, 3, 2, 1, 0, 11, 10, 9,},
|
| 176 |
|
|
{ 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 23, 22, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 11, 10,},
|
| 177 |
|
|
{ 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 23, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0, 11,},
|
| 178 |
|
|
{ 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0,}
|
| 179 |
|
|
};
|
| 180 |
|
|
}
|
| 181 |
|
|
|
| 182 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 183 |
|
|
// TYPE 1
|
| 184 |
29b82486
|
Leszek Koltunski
|
|
| 185 |
|
|
private boolean cornerIsUp(int index)
|
| 186 |
|
|
{
|
| 187 |
|
|
return ((index<4) ^ (mCornerQuat[index]>=12));
|
| 188 |
|
|
}
|
| 189 |
|
|
|
| 190 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 191 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
| 192 |
29b82486
|
Leszek Koltunski
|
|
| 193 |
|
|
private boolean cornerIsLeft(int index)
|
| 194 |
|
|
{
|
| 195 |
|
|
int q = mCornerQuat[index];
|
| 196 |
|
|
|
| 197 |
|
|
switch(index)
|
| 198 |
|
|
{
|
| 199 |
|
|
case 0:
|
| 200 |
|
|
case 4: return ((q>=3 && q<= 7) || (q>=18 && q<=22));
|
| 201 |
|
|
case 1:
|
| 202 |
|
|
case 5: return ((q>=6 && q<=10) || (q>=15 && q<=19));
|
| 203 |
|
|
case 2:
|
| 204 |
|
|
case 6: return ((q==0 || q==1 || (q>=9 && q<=11)) || (q>=12 && q<=16));
|
| 205 |
|
|
case 3:
|
| 206 |
|
|
case 7: return ((q>=0 && q<=4) || (q==12 || q==13 || (q>=21 && q<=23)));
|
| 207 |
|
|
}
|
| 208 |
|
|
|
| 209 |
|
|
return false;
|
| 210 |
|
|
}
|
| 211 |
|
|
|
| 212 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 213 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
| 214 |
29b82486
|
Leszek Koltunski
|
|
| 215 |
|
|
private boolean quatIsBad(int quatIndex, int corner)
|
| 216 |
|
|
{
|
| 217 |
|
|
if( mBadCornerQuats ==null )
|
| 218 |
|
|
{
|
| 219 |
|
|
// quat indices that make corner cubits bandage the puzzle.
|
| 220 |
|
|
mBadCornerQuats = new int[][] { { 2, 8,17,23}, { 5,11,14,20} };
|
| 221 |
|
|
}
|
| 222 |
|
|
|
| 223 |
|
|
int index = (corner%2);
|
| 224 |
|
|
|
| 225 |
|
|
return ( quatIndex== mBadCornerQuats[index][0] ||
|
| 226 |
|
|
quatIndex== mBadCornerQuats[index][1] ||
|
| 227 |
|
|
quatIndex== mBadCornerQuats[index][2] ||
|
| 228 |
|
|
quatIndex== mBadCornerQuats[index][3] );
|
| 229 |
|
|
}
|
| 230 |
|
|
|
| 231 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 232 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
| 233 |
29b82486
|
Leszek Koltunski
|
|
| 234 |
|
|
private boolean isPermittedDo(int angle)
|
| 235 |
|
|
{
|
| 236 |
|
|
if( mQuatMult==null ) initializeQuatMult();
|
| 237 |
|
|
|
| 238 |
|
|
for(int corner=0; corner<8; corner++)
|
| 239 |
|
|
{
|
| 240 |
|
|
if( !cornerIsUp(corner) )
|
| 241 |
|
|
{
|
| 242 |
|
|
int currQuat = mCornerQuat[corner];
|
| 243 |
|
|
int finalQuat= mQuatMult[angle][currQuat];
|
| 244 |
|
|
if( quatIsBad(finalQuat,corner) ) return false;
|
| 245 |
|
|
}
|
| 246 |
|
|
}
|
| 247 |
|
|
|
| 248 |
|
|
return true;
|
| 249 |
|
|
}
|
| 250 |
|
|
|
| 251 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 252 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
| 253 |
29b82486
|
Leszek Koltunski
|
|
| 254 |
|
|
private boolean isPermittedUp(int angle)
|
| 255 |
|
|
{
|
| 256 |
|
|
if( mQuatMult==null ) initializeQuatMult();
|
| 257 |
|
|
|
| 258 |
|
|
for(int corner=0; corner<8; corner++)
|
| 259 |
|
|
{
|
| 260 |
|
|
if( cornerIsUp(corner) )
|
| 261 |
|
|
{
|
| 262 |
|
|
int currQuat = mCornerQuat[corner];
|
| 263 |
|
|
int finalQuat= mQuatMult[angle][currQuat];
|
| 264 |
|
|
if( quatIsBad(finalQuat,corner) ) return false;
|
| 265 |
|
|
}
|
| 266 |
|
|
}
|
| 267 |
|
|
|
| 268 |
|
|
return true;
|
| 269 |
|
|
}
|
| 270 |
|
|
|
| 271 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 272 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
| 273 |
29b82486
|
Leszek Koltunski
|
|
| 274 |
|
|
private void computePermittedAngles()
|
| 275 |
|
|
{
|
| 276 |
|
|
mPermittedDo = 0;
|
| 277 |
|
|
|
| 278 |
|
|
for(int angle=0; angle<BASIC_ANGLE; angle++)
|
| 279 |
|
|
{
|
| 280 |
|
|
if( isPermittedDo(angle ) ) mPermittedAngles[0][mPermittedDo++] = angle;
|
| 281 |
|
|
}
|
| 282 |
|
|
|
| 283 |
|
|
mPermittedUp = 0;
|
| 284 |
|
|
|
| 285 |
|
|
for(int angle=0; angle<BASIC_ANGLE; angle++)
|
| 286 |
|
|
{
|
| 287 |
|
|
if( isPermittedUp(angle ) ) mPermittedAngles[1][mPermittedUp++] = angle;
|
| 288 |
|
|
}
|
| 289 |
|
|
}
|
| 290 |
|
|
|
| 291 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 292 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
| 293 |
29b82486
|
Leszek Koltunski
|
|
| 294 |
|
|
private int getNextAngle(Random rnd, int layer)
|
| 295 |
|
|
{
|
| 296 |
|
|
int num = layer==0 ? mPermittedDo:mPermittedUp;
|
| 297 |
|
|
int index = rnd.nextInt(num);
|
| 298 |
|
|
int angle = mPermittedAngles[layer][index];
|
| 299 |
|
|
return angle<BASIC_ANGLE/2 ? -angle : BASIC_ANGLE-angle;
|
| 300 |
|
|
}
|
| 301 |
|
|
|
| 302 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 303 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
| 304 |
29b82486
|
Leszek Koltunski
|
|
| 305 |
|
|
private int getNextAngleNotZero(Random rnd, int layer)
|
| 306 |
|
|
{
|
| 307 |
|
|
int num = layer==0 ? mPermittedDo:mPermittedUp;
|
| 308 |
|
|
int index = rnd.nextInt(num-1);
|
| 309 |
|
|
int angle = mPermittedAngles[layer][index+1];
|
| 310 |
|
|
return angle<BASIC_ANGLE/2 ? -angle : BASIC_ANGLE-angle;
|
| 311 |
|
|
}
|
| 312 |
|
|
|
| 313 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 314 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
| 315 |
29b82486
|
Leszek Koltunski
|
|
| 316 |
|
|
private int makeQuat(int axis,int index)
|
| 317 |
|
|
{
|
| 318 |
|
|
if( axis==1 ) return 13;
|
| 319 |
|
|
if( index<0 ) index+=12;
|
| 320 |
|
|
return index;
|
| 321 |
|
|
}
|
| 322 |
|
|
|
| 323 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 324 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
| 325 |
29b82486
|
Leszek Koltunski
|
|
| 326 |
|
|
private boolean cornerBelongs(int index, int axis, int layer)
|
| 327 |
|
|
{
|
| 328 |
|
|
if( axis==0 )
|
| 329 |
|
|
{
|
| 330 |
|
|
boolean up = cornerIsUp(index);
|
| 331 |
|
|
return ((up && layer==2) || (!up && layer==0));
|
| 332 |
|
|
}
|
| 333 |
|
|
else
|
| 334 |
|
|
{
|
| 335 |
|
|
boolean le = cornerIsLeft(index);
|
| 336 |
|
|
return ((le && layer==0) || (!le && layer==1));
|
| 337 |
|
|
}
|
| 338 |
|
|
}
|
| 339 |
|
|
|
| 340 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 341 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
| 342 |
29b82486
|
Leszek Koltunski
|
|
| 343 |
|
|
private void updateCornerQuats(int[] rotInfo)
|
| 344 |
|
|
{
|
| 345 |
|
|
if( mQuatMult==null ) initializeQuatMult();
|
| 346 |
|
|
|
| 347 |
|
|
int axis = rotInfo[0];
|
| 348 |
|
|
int layer= rotInfo[1];
|
| 349 |
|
|
int index=-rotInfo[2];
|
| 350 |
|
|
|
| 351 |
|
|
int quat = makeQuat(axis,index);
|
| 352 |
|
|
|
| 353 |
|
|
for(int corner=0; corner<8; corner++)
|
| 354 |
|
|
{
|
| 355 |
|
|
if( cornerBelongs(corner,axis,layer) )
|
| 356 |
|
|
{
|
| 357 |
|
|
int curr = mCornerQuat[corner];
|
| 358 |
|
|
mCornerQuat[corner] = mQuatMult[quat][curr];
|
| 359 |
|
|
}
|
| 360 |
|
|
}
|
| 361 |
|
|
}
|
| 362 |
|
|
|
| 363 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 364 |
4a5157a1
|
Leszek Koltunski
|
// TYPE 1
|
| 365 |
29b82486
|
Leszek Koltunski
|
|
| 366 |
a72a4b6a
|
Leszek Koltunski
|
private void randomizeNewScramble1(int[][] scramble, Random rnd, int curr)
|
| 367 |
29b82486
|
Leszek Koltunski
|
{
|
| 368 |
|
|
int layer, nextAngle;
|
| 369 |
|
|
|
| 370 |
|
|
if( curr==0 )
|
| 371 |
|
|
{
|
| 372 |
|
|
for(int corner=0; corner<8; corner++) mCornerQuat[corner] = 0;
|
| 373 |
|
|
mLastRot = rnd.nextInt(4);
|
| 374 |
|
|
computePermittedAngles();
|
| 375 |
|
|
}
|
| 376 |
|
|
|
| 377 |
|
|
switch(mLastRot)
|
| 378 |
|
|
{
|
| 379 |
|
|
case LAST_SL: layer = rnd.nextInt(2);
|
| 380 |
|
|
nextAngle = getNextAngle(rnd,layer);
|
| 381 |
|
|
|
| 382 |
|
|
if( nextAngle==0 )
|
| 383 |
|
|
{
|
| 384 |
|
|
layer = 1-layer;
|
| 385 |
|
|
nextAngle = getNextAngleNotZero(rnd,layer);
|
| 386 |
|
|
}
|
| 387 |
|
|
|
| 388 |
|
|
scramble[curr][0] = 0;
|
| 389 |
|
|
scramble[curr][1] = 2*layer;
|
| 390 |
|
|
scramble[curr][2] = nextAngle;
|
| 391 |
|
|
mLastRot = layer==0 ? LAST_LO : LAST_UP;
|
| 392 |
|
|
updateCornerQuats(scramble[curr]);
|
| 393 |
|
|
break;
|
| 394 |
|
|
case LAST_LO:
|
| 395 |
|
|
case LAST_UP: layer = mLastRot==LAST_LO ? 1:0;
|
| 396 |
|
|
nextAngle = getNextAngle(rnd,layer);
|
| 397 |
|
|
|
| 398 |
|
|
if( nextAngle!=0 )
|
| 399 |
|
|
{
|
| 400 |
|
|
scramble[curr][0] = 0;
|
| 401 |
|
|
scramble[curr][1] = 2*layer;
|
| 402 |
|
|
scramble[curr][2] = nextAngle;
|
| 403 |
|
|
updateCornerQuats(scramble[curr]);
|
| 404 |
|
|
mLastRot = LAST_UL;
|
| 405 |
|
|
}
|
| 406 |
|
|
else
|
| 407 |
|
|
{
|
| 408 |
|
|
scramble[curr][0] = 1;
|
| 409 |
|
|
scramble[curr][1] = rnd.nextInt(2);
|
| 410 |
|
|
scramble[curr][2] = 1;
|
| 411 |
|
|
mLastRot = LAST_SL;
|
| 412 |
|
|
updateCornerQuats(scramble[curr]);
|
| 413 |
|
|
computePermittedAngles();
|
| 414 |
|
|
}
|
| 415 |
|
|
|
| 416 |
|
|
break;
|
| 417 |
|
|
case LAST_UL: scramble[curr][0] = 1;
|
| 418 |
|
|
scramble[curr][1] = rnd.nextInt(2);
|
| 419 |
|
|
scramble[curr][2] = 1;
|
| 420 |
|
|
mLastRot = LAST_SL;
|
| 421 |
|
|
updateCornerQuats(scramble[curr]);
|
| 422 |
|
|
computePermittedAngles();
|
| 423 |
|
|
break;
|
| 424 |
|
|
}
|
| 425 |
|
|
}
|
| 426 |
|
|
|
| 427 |
0e311558
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 428 |
|
|
// TYPE 2
|
| 429 |
|
|
|
| 430 |
|
|
private void buildMoveForced(int[][] scramble, Random rnd, int curr)
|
| 431 |
|
|
{
|
| 432 |
e342c3f7
|
Leszek Koltunski
|
ScrambleStateBandagedCuboid currState = mStatesHistory.get(curr);
|
| 433 |
95123ad0
|
Leszek Koltunski
|
int indexExcluded = curr>0 ? scramble[curr-1][0] : ScrambleStateBandagedCuboid.AXIS_NONE;
|
| 434 |
0e311558
|
Leszek Koltunski
|
int numMoves = currState.numMoves(indexExcluded);
|
| 435 |
a72a4b6a
|
Leszek Koltunski
|
ObjectSignature signature;
|
| 436 |
0e311558
|
Leszek Koltunski
|
|
| 437 |
|
|
if( numMoves==0 )
|
| 438 |
|
|
{
|
| 439 |
95123ad0
|
Leszek Koltunski
|
indexExcluded = ScrambleStateBandagedCuboid.AXIS_NONE;
|
| 440 |
0e311558
|
Leszek Koltunski
|
numMoves = currState.numMoves(indexExcluded);
|
| 441 |
|
|
}
|
| 442 |
|
|
|
| 443 |
c60d98c4
|
Leszek Koltunski
|
if( numMoves==0 )
|
| 444 |
|
|
{
|
| 445 |
|
|
scramble[curr][0] = 0;
|
| 446 |
|
|
scramble[curr][1] = 0;
|
| 447 |
|
|
scramble[curr][2] = 0;
|
| 448 |
a72a4b6a
|
Leszek Koltunski
|
signature = currState.getSignature();
|
| 449 |
c60d98c4
|
Leszek Koltunski
|
}
|
| 450 |
|
|
else
|
| 451 |
|
|
{
|
| 452 |
|
|
int randMove = rnd.nextInt(numMoves);
|
| 453 |
|
|
int moveIndex = currState.getNthMove(randMove,indexExcluded);
|
| 454 |
a72a4b6a
|
Leszek Koltunski
|
signature = currState.getMove(moveIndex);
|
| 455 |
338e42aa
|
Leszek Koltunski
|
currState.fillOutScramble(scramble[curr],moveIndex);
|
| 456 |
0e311558
|
Leszek Koltunski
|
}
|
| 457 |
|
|
|
| 458 |
e342c3f7
|
Leszek Koltunski
|
ScrambleStateBandagedCuboid nextState = new ScrambleStateBandagedCuboid(mNumLayers[0], mNumLayers[1], mNumLayers[2], signature, mBlacklisted);
|
| 459 |
|
|
mStatesHistory.add(nextState);
|
| 460 |
0e311558
|
Leszek Koltunski
|
}
|
| 461 |
|
|
|
| 462 |
3a5aa558
|
Leszek Koltunski
|
|
| 463 |
0e311558
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 464 |
|
|
// TYPE 2
|
| 465 |
|
|
|
| 466 |
3a5aa558
|
Leszek Koltunski
|
private boolean buildMove2Cons(int[][] scramble, Random rnd, int curr)
|
| 467 |
0e311558
|
Leszek Koltunski
|
{
|
| 468 |
e342c3f7
|
Leszek Koltunski
|
ScrambleStateBandagedCuboid currState = mStatesHistory.get(curr);
|
| 469 |
3a5aa558
|
Leszek Koltunski
|
boolean lock= (curr>=2 && scramble[curr-2][0]==scramble[curr-1][0] );
|
| 470 |
|
|
int axisExcluded = lock ? scramble[curr-1][0] : ScrambleStateBandagedCuboid.AXIS_NONE;
|
| 471 |
|
|
int layerExcluded= !lock && curr>=1 ? scramble[curr-1][1] : -1;
|
| 472 |
|
|
int numMoves = currState.numMoves(axisExcluded,layerExcluded);
|
| 473 |
0e311558
|
Leszek Koltunski
|
|
| 474 |
|
|
while( numMoves==0 )
|
| 475 |
|
|
{
|
| 476 |
|
|
if( curr>0 )
|
| 477 |
|
|
{
|
| 478 |
e342c3f7
|
Leszek Koltunski
|
mStatesHistory.remove(curr);
|
| 479 |
|
|
ScrambleStateBandagedCuboid prevState = mStatesHistory.get(curr-1);
|
| 480 |
1d581993
|
Leszek Koltunski
|
ObjectSignature signature = currState.getSignature();
|
| 481 |
0e311558
|
Leszek Koltunski
|
prevState.removeMoves(signature);
|
| 482 |
e342c3f7
|
Leszek Koltunski
|
mBlacklisted.add(signature);
|
| 483 |
3a5aa558
|
Leszek Koltunski
|
boolean result = buildMove2Cons(scramble,rnd,curr-1);
|
| 484 |
0e311558
|
Leszek Koltunski
|
if( !result ) return false;
|
| 485 |
e342c3f7
|
Leszek Koltunski
|
currState = mStatesHistory.get(curr);
|
| 486 |
3a5aa558
|
Leszek Koltunski
|
lock= (curr>=2 && scramble[curr-2][0]==scramble[curr-1][0] );
|
| 487 |
|
|
axisExcluded = lock ? scramble[curr-1][0] : ScrambleStateBandagedCuboid.AXIS_NONE;
|
| 488 |
|
|
layerExcluded= lock ? -1 : scramble[curr-1][1];
|
| 489 |
|
|
numMoves = currState.numMoves(axisExcluded,layerExcluded);
|
| 490 |
|
|
}
|
| 491 |
|
|
else return false;
|
| 492 |
|
|
}
|
| 493 |
|
|
|
| 494 |
|
|
int randMove = rnd.nextInt(numMoves);
|
| 495 |
|
|
int moveIndex = currState.getNthMove(randMove,axisExcluded,layerExcluded);
|
| 496 |
|
|
ObjectSignature signature = currState.getMove(moveIndex);
|
| 497 |
|
|
currState.fillOutScramble(scramble[curr],moveIndex);
|
| 498 |
|
|
|
| 499 |
e342c3f7
|
Leszek Koltunski
|
ScrambleStateBandagedCuboid nextState = new ScrambleStateBandagedCuboid(mNumLayers[0], mNumLayers[1], mNumLayers[2], signature, mBlacklisted);
|
| 500 |
|
|
mStatesHistory.add(nextState);
|
| 501 |
3a5aa558
|
Leszek Koltunski
|
|
| 502 |
|
|
return true;
|
| 503 |
|
|
}
|
| 504 |
|
|
|
| 505 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 506 |
|
|
// TYPE 2
|
| 507 |
|
|
|
| 508 |
|
|
private boolean buildMove1Cons(int[][] scramble, Random rnd, int curr)
|
| 509 |
|
|
{
|
| 510 |
e342c3f7
|
Leszek Koltunski
|
ScrambleStateBandagedCuboid currState = mStatesHistory.get(curr);
|
| 511 |
3a5aa558
|
Leszek Koltunski
|
int axisExcluded = curr>=1 ? scramble[curr-1][0] : ScrambleStateBandagedCuboid.AXIS_NONE;
|
| 512 |
|
|
int numMoves = currState.numMoves(axisExcluded);
|
| 513 |
|
|
|
| 514 |
|
|
while( numMoves==0 )
|
| 515 |
|
|
{
|
| 516 |
|
|
if( curr>0 )
|
| 517 |
|
|
{
|
| 518 |
e342c3f7
|
Leszek Koltunski
|
mStatesHistory.remove(curr);
|
| 519 |
|
|
ScrambleStateBandagedCuboid prevState = mStatesHistory.get(curr-1);
|
| 520 |
3a5aa558
|
Leszek Koltunski
|
ObjectSignature signature = currState.getSignature();
|
| 521 |
|
|
prevState.removeMoves(signature);
|
| 522 |
e342c3f7
|
Leszek Koltunski
|
mBlacklisted.add(signature);
|
| 523 |
3a5aa558
|
Leszek Koltunski
|
boolean result = buildMove1Cons(scramble,rnd,curr-1);
|
| 524 |
|
|
if( !result ) return false;
|
| 525 |
e342c3f7
|
Leszek Koltunski
|
currState = mStatesHistory.get(curr);
|
| 526 |
3a5aa558
|
Leszek Koltunski
|
axisExcluded = scramble[curr-1][0];
|
| 527 |
|
|
numMoves = currState.numMoves(axisExcluded);
|
| 528 |
0e311558
|
Leszek Koltunski
|
}
|
| 529 |
|
|
else
|
| 530 |
|
|
{
|
| 531 |
|
|
return false;
|
| 532 |
|
|
}
|
| 533 |
|
|
}
|
| 534 |
|
|
|
| 535 |
|
|
int randMove = rnd.nextInt(numMoves);
|
| 536 |
3a5aa558
|
Leszek Koltunski
|
int moveIndex = currState.getNthMove(randMove,axisExcluded);
|
| 537 |
a72a4b6a
|
Leszek Koltunski
|
ObjectSignature signature = currState.getMove(moveIndex);
|
| 538 |
338e42aa
|
Leszek Koltunski
|
currState.fillOutScramble(scramble[curr],moveIndex);
|
| 539 |
0e311558
|
Leszek Koltunski
|
|
| 540 |
e342c3f7
|
Leszek Koltunski
|
ScrambleStateBandagedCuboid nextState = new ScrambleStateBandagedCuboid(mNumLayers[0], mNumLayers[1], mNumLayers[2], signature, mBlacklisted);
|
| 541 |
|
|
mStatesHistory.add(nextState);
|
| 542 |
0e311558
|
Leszek Koltunski
|
|
| 543 |
|
|
return true;
|
| 544 |
|
|
}
|
| 545 |
|
|
|
| 546 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 547 |
|
|
// TYPE 2
|
| 548 |
|
|
|
| 549 |
a72a4b6a
|
Leszek Koltunski
|
private void initializeType2Scrambling(int[][] scramble, Random rnd, int total, ObjectSignature signature)
|
| 550 |
0e311558
|
Leszek Koltunski
|
{
|
| 551 |
e342c3f7
|
Leszek Koltunski
|
if( mStatesHistory==null ) mStatesHistory = new ArrayList<>();
|
| 552 |
|
|
else mStatesHistory.clear();
|
| 553 |
0e311558
|
Leszek Koltunski
|
|
| 554 |
e342c3f7
|
Leszek Koltunski
|
if( mBlacklisted==null ) mBlacklisted = BlacklistedSignatures.getInstance();
|
| 555 |
|
|
else mBlacklisted.clear();
|
| 556 |
|
|
|
| 557 |
|
|
ScrambleStateBandagedCuboid state = new ScrambleStateBandagedCuboid(mNumLayers[0], mNumLayers[1], mNumLayers[2], signature, mBlacklisted);
|
| 558 |
|
|
mStatesHistory.add(state);
|
| 559 |
0e311558
|
Leszek Koltunski
|
boolean success = true;
|
| 560 |
|
|
|
| 561 |
|
|
for(int curr=0; curr<total; curr++)
|
| 562 |
|
|
{
|
| 563 |
3a5aa558
|
Leszek Koltunski
|
boolean result = buildMove1Cons(scramble,rnd,curr);
|
| 564 |
0e311558
|
Leszek Koltunski
|
if( !result )
|
| 565 |
|
|
{
|
| 566 |
|
|
success = false;
|
| 567 |
|
|
break;
|
| 568 |
|
|
}
|
| 569 |
|
|
}
|
| 570 |
|
|
|
| 571 |
3a5aa558
|
Leszek Koltunski
|
if( !success )
|
| 572 |
|
|
{
|
| 573 |
|
|
success = true;
|
| 574 |
e342c3f7
|
Leszek Koltunski
|
mStatesHistory.clear();
|
| 575 |
2d7aea5b
|
Leszek Koltunski
|
mBlacklisted.clear();
|
| 576 |
e342c3f7
|
Leszek Koltunski
|
state = new ScrambleStateBandagedCuboid(mNumLayers[0], mNumLayers[1], mNumLayers[2], signature, mBlacklisted);
|
| 577 |
|
|
mStatesHistory.add(state);
|
| 578 |
3a5aa558
|
Leszek Koltunski
|
|
| 579 |
|
|
for(int curr=0; curr<total; curr++)
|
| 580 |
|
|
{
|
| 581 |
|
|
boolean result = buildMove2Cons(scramble,rnd,curr);
|
| 582 |
|
|
if( !result )
|
| 583 |
|
|
{
|
| 584 |
|
|
success = false;
|
| 585 |
|
|
break;
|
| 586 |
|
|
}
|
| 587 |
|
|
}
|
| 588 |
|
|
}
|
| 589 |
|
|
|
| 590 |
0e311558
|
Leszek Koltunski
|
if( !success )
|
| 591 |
|
|
{
|
| 592 |
e342c3f7
|
Leszek Koltunski
|
mStatesHistory.clear();
|
| 593 |
1a7bab14
|
Leszek Koltunski
|
mBlacklisted.clear();
|
| 594 |
e342c3f7
|
Leszek Koltunski
|
state = new ScrambleStateBandagedCuboid(mNumLayers[0], mNumLayers[1], mNumLayers[2], signature, mBlacklisted);
|
| 595 |
|
|
mStatesHistory.add(state);
|
| 596 |
0e311558
|
Leszek Koltunski
|
|
| 597 |
|
|
for(int curr=0; curr<total; curr++)
|
| 598 |
|
|
{
|
| 599 |
|
|
buildMoveForced(scramble,rnd,curr);
|
| 600 |
|
|
}
|
| 601 |
|
|
}
|
| 602 |
|
|
}
|
| 603 |
|
|
|
| 604 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 605 |
95123ad0
|
Leszek Koltunski
|
// TYPE 2 (locally-created bandaged cuboids)
|
| 606 |
0e311558
|
Leszek Koltunski
|
|
| 607 |
a72a4b6a
|
Leszek Koltunski
|
private void randomizeNewScramble2(int[][] scramble, Random rnd, int curr, int total, ObjectSignature signature)
|
| 608 |
0e311558
|
Leszek Koltunski
|
{
|
| 609 |
a72a4b6a
|
Leszek Koltunski
|
if( curr==0 ) initializeType2Scrambling(scramble,rnd,total,signature);
|
| 610 |
0e311558
|
Leszek Koltunski
|
}
|
| 611 |
|
|
|
| 612 |
29b82486
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 613 |
|
|
// PUBLIC API
|
| 614 |
|
|
|
| 615 |
a72a4b6a
|
Leszek Koltunski
|
public void randomizeNewScramble(int[][] scramble, Random rnd, int curr, int total, ObjectSignature signature)
|
| 616 |
29b82486
|
Leszek Koltunski
|
{
|
| 617 |
a72a4b6a
|
Leszek Koltunski
|
switch(mType)
|
| 618 |
|
|
{
|
| 619 |
|
|
case 0: randomizeNewScramble0(scramble, rnd, curr); break;
|
| 620 |
|
|
case 1: randomizeNewScramble1(scramble, rnd, curr); break;
|
| 621 |
|
|
case 2: randomizeNewScramble2(scramble, rnd, curr, total, signature); break;
|
| 622 |
|
|
}
|
| 623 |
29b82486
|
Leszek Koltunski
|
}
|
| 624 |
|
|
}
|