| 1 |
68b59ec3
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 2 |
|
|
// Copyright 2023 Leszek Koltunski //
|
| 3 |
|
|
// //
|
| 4 |
|
|
// This file is part of Magic Cube. //
|
| 5 |
|
|
// //
|
| 6 |
|
|
// 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 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 9 |
|
|
|
| 10 |
|
|
package org.distorted.objectlib.tablebases;
|
| 11 |
|
|
|
| 12 |
|
|
import org.distorted.library.type.Static3D;
|
| 13 |
feceac2f
|
Leszek Koltunski
|
import org.distorted.objectlib.R;
|
| 14 |
68b59ec3
|
Leszek Koltunski
|
import org.distorted.objectlib.helpers.OperatingSystemInterface;
|
| 15 |
|
|
|
| 16 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 17 |
|
|
|
| 18 |
45dc5cd7
|
Leszek Koltunski
|
public class TBCuboid323 extends TablebasesPruning
|
| 19 |
68b59ec3
|
Leszek Koltunski
|
{
|
| 20 |
6ab0bce9
|
Leszek Koltunski
|
private static final int[][] CORNER_MAP = new int[][]
|
| 21 |
|
|
{
|
| 22 |
|
|
{0,4,7,1,2,3,5,6},
|
| 23 |
|
|
{2,0,1,6,3,4,7,5},
|
| 24 |
|
|
{7,1,0,4,5,6,2,3},
|
| 25 |
|
|
{1,6,2,0,7,5,3,4},
|
| 26 |
|
|
{4,3,5,7,0,2,6,1},
|
| 27 |
|
|
{3,2,6,5,4,0,1,7},
|
| 28 |
|
|
{5,7,4,3,6,1,0,2},
|
| 29 |
|
|
{6,5,3,2,1,7,4,0}
|
| 30 |
|
|
};
|
| 31 |
|
|
private static final int[][] EDGE_MAP = new int[][]
|
| 32 |
|
|
{
|
| 33 |
|
|
{0,3,5,1,4,7,2,6},
|
| 34 |
|
|
{3,0,1,5,2,6,4,7},
|
| 35 |
|
|
{5,1,0,3,7,4,6,2},
|
| 36 |
|
|
{1,5,3,0,6,2,7,4},
|
| 37 |
|
|
{2,4,7,6,0,1,3,5},
|
| 38 |
|
|
{7,6,2,4,1,0,5,3},
|
| 39 |
|
|
{4,2,6,7,3,5,0,1},
|
| 40 |
|
|
{6,7,4,2,5,3,1,0}
|
| 41 |
|
|
};
|
| 42 |
|
|
|
| 43 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 44 |
5b9e0ba4
|
Leszek Koltunski
|
// remove perm[1] which is always equal to 1.
|
| 45 |
6ab0bce9
|
Leszek Koltunski
|
|
| 46 |
08451d7f
|
Leszek Koltunski
|
public static int[] edgePermTo7(int[] perm)
|
| 47 |
6ab0bce9
|
Leszek Koltunski
|
{
|
| 48 |
|
|
int[] ret = new int[7];
|
| 49 |
|
|
|
| 50 |
5b9e0ba4
|
Leszek Koltunski
|
ret[0] = perm[0]; if( ret[0]>1 ) ret[0]--;
|
| 51 |
|
|
ret[1] = perm[2]; if( ret[1]>1 ) ret[1]--;
|
| 52 |
|
|
ret[2] = perm[3]; if( ret[2]>1 ) ret[2]--;
|
| 53 |
|
|
ret[3] = perm[4]; if( ret[3]>1 ) ret[3]--;
|
| 54 |
|
|
ret[4] = perm[5]; if( ret[4]>1 ) ret[4]--;
|
| 55 |
|
|
ret[5] = perm[6]; if( ret[5]>1 ) ret[5]--;
|
| 56 |
|
|
ret[6] = perm[7]; if( ret[6]>1 ) ret[6]--;
|
| 57 |
6ab0bce9
|
Leszek Koltunski
|
|
| 58 |
|
|
return ret;
|
| 59 |
|
|
}
|
| 60 |
|
|
|
| 61 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 62 |
c64217f7
|
Leszek Koltunski
|
// reverse the above
|
| 63 |
6ab0bce9
|
Leszek Koltunski
|
|
| 64 |
5b9e0ba4
|
Leszek Koltunski
|
private static int[] edgePermTo8(int[] perm)
|
| 65 |
6ab0bce9
|
Leszek Koltunski
|
{
|
| 66 |
|
|
int[] ret = new int[8];
|
| 67 |
|
|
|
| 68 |
5b9e0ba4
|
Leszek Koltunski
|
ret[0] = perm[0]; if( ret[0]>=1 ) ret[0]++;
|
| 69 |
|
|
ret[1] = 1;
|
| 70 |
|
|
ret[2] = perm[1]; if( ret[2]>=1 ) ret[2]++;
|
| 71 |
|
|
ret[3] = perm[2]; if( ret[3]>=1 ) ret[3]++;
|
| 72 |
|
|
ret[4] = perm[3]; if( ret[4]>=1 ) ret[4]++;
|
| 73 |
|
|
ret[5] = perm[4]; if( ret[5]>=1 ) ret[5]++;
|
| 74 |
|
|
ret[6] = perm[5]; if( ret[6]>=1 ) ret[6]++;
|
| 75 |
|
|
ret[7] = perm[6]; if( ret[7]>=1 ) ret[7]++;
|
| 76 |
6ab0bce9
|
Leszek Koltunski
|
|
| 77 |
|
|
return ret;
|
| 78 |
|
|
}
|
| 79 |
|
|
|
| 80 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 81 |
|
|
|
| 82 |
68b59ec3
|
Leszek Koltunski
|
public TBCuboid323()
|
| 83 |
|
|
{
|
| 84 |
|
|
super();
|
| 85 |
|
|
}
|
| 86 |
|
|
|
| 87 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 88 |
|
|
|
| 89 |
|
|
public TBCuboid323(OperatingSystemInterface os)
|
| 90 |
|
|
{
|
| 91 |
5b9e0ba4
|
Leszek Koltunski
|
super(os,new int[] {R.raw.cu_323_pruning7,R.raw.cu_323_pruning8}, new int[] {R.raw.cu_323_pruning18});
|
| 92 |
68b59ec3
|
Leszek Koltunski
|
}
|
| 93 |
|
|
|
| 94 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 95 |
|
|
|
| 96 |
|
|
int[][] getBasicAngles()
|
| 97 |
|
|
{
|
| 98 |
5b9e0ba4
|
Leszek Koltunski
|
int[] tmp2 = {2,2,2};
|
| 99 |
|
|
int[] tmp4 = {4,4};
|
| 100 |
|
|
return new int[][] { tmp2,tmp4,tmp2 };
|
| 101 |
68b59ec3
|
Leszek Koltunski
|
}
|
| 102 |
|
|
|
| 103 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 104 |
|
|
|
| 105 |
|
|
Static3D[] getRotationAxis()
|
| 106 |
|
|
{
|
| 107 |
|
|
return new Static3D[]
|
| 108 |
|
|
{
|
| 109 |
|
|
new Static3D(1,0,0),
|
| 110 |
|
|
new Static3D(0,1,0),
|
| 111 |
|
|
new Static3D(0,0,1)
|
| 112 |
|
|
};
|
| 113 |
|
|
}
|
| 114 |
|
|
|
| 115 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 116 |
|
|
|
| 117 |
|
|
float[][] getPosition()
|
| 118 |
|
|
{
|
| 119 |
|
|
return new float[][]
|
| 120 |
|
|
{
|
| 121 |
|
|
{ -1.0f, -0.5f, -1.0f },
|
| 122 |
|
|
{ -1.0f, -0.5f, 1.0f },
|
| 123 |
|
|
{ -1.0f, 0.5f, -1.0f },
|
| 124 |
|
|
{ -1.0f, 0.5f, 1.0f },
|
| 125 |
|
|
{ 1.0f, -0.5f, -1.0f },
|
| 126 |
|
|
{ 1.0f, -0.5f, 1.0f },
|
| 127 |
|
|
{ 1.0f, 0.5f, -1.0f },
|
| 128 |
|
|
{ 1.0f, 0.5f, 1.0f },
|
| 129 |
|
|
|
| 130 |
|
|
{ 0.0f, -0.5f, -1.0f },
|
| 131 |
|
|
{ 0.0f, -0.5f, 1.0f },
|
| 132 |
|
|
{ 0.0f, 0.5f, -1.0f },
|
| 133 |
|
|
{ 0.0f, 0.5f, 1.0f },
|
| 134 |
|
|
{ -1.0f, -0.5f, 0.0f },
|
| 135 |
|
|
{ -1.0f, 0.5f, 0.0f },
|
| 136 |
|
|
{ 1.0f, -0.5f, 0.0f },
|
| 137 |
|
|
{ 1.0f, 0.5f, 0.0f },
|
| 138 |
|
|
|
| 139 |
|
|
{ 0.0f, 0.5f, 0.0f },
|
| 140 |
|
|
{ 0.0f, -0.5f, 0.0f },
|
| 141 |
|
|
};
|
| 142 |
|
|
}
|
| 143 |
|
|
|
| 144 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 145 |
|
|
|
| 146 |
|
|
float[][] getCuts()
|
| 147 |
|
|
{
|
| 148 |
|
|
return new float[][] { {-0.5f,0.5f}, {0.0f}, {-0.5f,0.5f} };
|
| 149 |
|
|
}
|
| 150 |
|
|
|
| 151 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 152 |
|
|
|
| 153 |
|
|
boolean[][] getRotatable()
|
| 154 |
|
|
{
|
| 155 |
5b9e0ba4
|
Leszek Koltunski
|
return new boolean[][] { {true,false,true},{false,true},{true,true,false} };
|
| 156 |
68b59ec3
|
Leszek Koltunski
|
}
|
| 157 |
|
|
|
| 158 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 159 |
|
|
// specifically for the tablebase
|
| 160 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 161 |
|
|
// 8!*8!/4 --> https://www.jaapsch.net/puzzles/domino.htm
|
| 162 |
|
|
|
| 163 |
|
|
int getSize()
|
| 164 |
|
|
{
|
| 165 |
|
|
return 406425600;
|
| 166 |
|
|
}
|
| 167 |
|
|
|
| 168 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 169 |
|
|
|
| 170 |
|
|
int getMinScramble()
|
| 171 |
|
|
{
|
| 172 |
|
|
return 13;
|
| 173 |
|
|
}
|
| 174 |
|
|
|
| 175 |
45dc5cd7
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 176 |
|
|
|
| 177 |
|
|
int[] getMidPruningLevels()
|
| 178 |
|
|
{
|
| 179 |
5b9e0ba4
|
Leszek Koltunski
|
return new int[] {7,8};
|
| 180 |
45dc5cd7
|
Leszek Koltunski
|
}
|
| 181 |
|
|
|
| 182 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 183 |
|
|
|
| 184 |
|
|
int[] getHighPruningLevels()
|
| 185 |
|
|
{
|
| 186 |
5b9e0ba4
|
Leszek Koltunski
|
return new int[] {18};
|
| 187 |
45dc5cd7
|
Leszek Koltunski
|
}
|
| 188 |
|
|
|
| 189 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 190 |
|
|
|
| 191 |
|
|
int getGodsNumber()
|
| 192 |
|
|
{
|
| 193 |
|
|
return 18;
|
| 194 |
|
|
}
|
| 195 |
|
|
|
| 196 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 197 |
|
|
|
| 198 |
|
|
boolean moveCanProceed(int lastA, int lastR, int currA, int currR)
|
| 199 |
|
|
{
|
| 200 |
|
|
return (lastA!=currA) || (lastR!=currR);
|
| 201 |
|
|
}
|
| 202 |
|
|
|
| 203 |
6ab0bce9
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 204 |
|
|
|
| 205 |
398f2870
|
Leszek Koltunski
|
private static int findIndex(int[] table, int value)
|
| 206 |
6ab0bce9
|
Leszek Koltunski
|
{
|
| 207 |
|
|
for(int i=0; i<8; i++)
|
| 208 |
|
|
if( table[i]==value ) return i;
|
| 209 |
|
|
|
| 210 |
|
|
return -1;
|
| 211 |
|
|
}
|
| 212 |
|
|
|
| 213 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 214 |
|
|
|
| 215 |
5b9e0ba4
|
Leszek Koltunski
|
private int centersInverted(int[] quats)
|
| 216 |
6ab0bce9
|
Leszek Koltunski
|
{
|
| 217 |
5b9e0ba4
|
Leszek Koltunski
|
int q = quats[16];
|
| 218 |
|
|
return (q==0 || q==2 || q==3 || q==4) ? 0 : 1;
|
| 219 |
6ab0bce9
|
Leszek Koltunski
|
}
|
| 220 |
|
|
|
| 221 |
398f2870
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 222 |
|
|
|
| 223 |
5b9e0ba4
|
Leszek Koltunski
|
public static int[] quatsFromPermutations(int[] corner, int[] edge8, int centers)
|
| 224 |
398f2870
|
Leszek Koltunski
|
{
|
| 225 |
|
|
int[] quats = new int[18];
|
| 226 |
|
|
|
| 227 |
|
|
for(int i=0; i<8; i++)
|
| 228 |
|
|
{
|
| 229 |
|
|
int q = CORNER_MAP[i][corner[i]];
|
| 230 |
|
|
quats[i] = q;
|
| 231 |
|
|
}
|
| 232 |
|
|
for(int i=0; i<8; i++)
|
| 233 |
|
|
{
|
| 234 |
|
|
int q = EDGE_MAP[i][edge8[i]];
|
| 235 |
|
|
quats[i+8] = q;
|
| 236 |
|
|
}
|
| 237 |
|
|
|
| 238 |
5b9e0ba4
|
Leszek Koltunski
|
if( centers==0 )
|
| 239 |
|
|
{
|
| 240 |
|
|
quats[16]=0;
|
| 241 |
|
|
quats[17]=0;
|
| 242 |
|
|
}
|
| 243 |
|
|
else
|
| 244 |
|
|
{
|
| 245 |
|
|
quats[16]=5;
|
| 246 |
|
|
quats[17]=5;
|
| 247 |
|
|
}
|
| 248 |
|
|
|
| 249 |
398f2870
|
Leszek Koltunski
|
return quats;
|
| 250 |
|
|
}
|
| 251 |
|
|
|
| 252 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 253 |
|
|
|
| 254 |
|
|
public static void cornerFromQuats(int[] corner_perm, int[] quats)
|
| 255 |
|
|
{
|
| 256 |
|
|
for(int i=0; i<8; i++) corner_perm[i] = findIndex( CORNER_MAP[i], quats[i]);
|
| 257 |
|
|
}
|
| 258 |
|
|
|
| 259 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 260 |
|
|
|
| 261 |
|
|
public static void edgeFromQuats(int[] edge_perm, int[] quats)
|
| 262 |
|
|
{
|
| 263 |
|
|
for(int i=0; i<8; i++) edge_perm[i] = findIndex( EDGE_MAP[i], quats[i+8]);
|
| 264 |
|
|
}
|
| 265 |
|
|
|
| 266 |
68b59ec3
|
Leszek Koltunski
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 267 |
|
|
|
| 268 |
|
|
public int[] getQuats(int index)
|
| 269 |
|
|
{
|
| 270 |
5b9e0ba4
|
Leszek Koltunski
|
int cornerPermNum = (index%40320);
|
| 271 |
45dc5cd7
|
Leszek Koltunski
|
index /= 40320;
|
| 272 |
5b9e0ba4
|
Leszek Koltunski
|
int centers = (index%2);
|
| 273 |
6ab0bce9
|
Leszek Koltunski
|
int edgePermNum = index/2;
|
| 274 |
|
|
|
| 275 |
|
|
int[] corner_perm = new int[8];
|
| 276 |
|
|
TablebaseHelpers.getPermutationFromNum(corner_perm,8,cornerPermNum);
|
| 277 |
|
|
int[] edge_perm7 = new int[7];
|
| 278 |
|
|
TablebaseHelpers.getPermutationFromNum(edge_perm7,7,edgePermNum);
|
| 279 |
5b9e0ba4
|
Leszek Koltunski
|
int[] edge_perm8 = edgePermTo8(edge_perm7);
|
| 280 |
c64217f7
|
Leszek Koltunski
|
/*
|
| 281 |
|
|
TablebaseHelpers.displayTable(corner_perm, "CORNER");
|
| 282 |
|
|
TablebaseHelpers.displayTable(edge_perm8, "EDGE8");
|
| 283 |
|
|
TablebaseHelpers.displayTable(edge_perm7, "EDGE7");
|
| 284 |
|
|
android.util.Log.e("D", "inPlace="+inPlace);
|
| 285 |
|
|
*/
|
| 286 |
6ab0bce9
|
Leszek Koltunski
|
|
| 287 |
5b9e0ba4
|
Leszek Koltunski
|
return quatsFromPermutations(corner_perm,edge_perm8,centers);
|
| 288 |
68b59ec3
|
Leszek Koltunski
|
}
|
| 289 |
|
|
|
| 290 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
| 291 |
|
|
|
| 292 |
|
|
public int getIndex(int[] quats)
|
| 293 |
|
|
{
|
| 294 |
6ab0bce9
|
Leszek Koltunski
|
int[] corner_perm = new int[8];
|
| 295 |
398f2870
|
Leszek Koltunski
|
cornerFromQuats(corner_perm,quats);
|
| 296 |
6ab0bce9
|
Leszek Koltunski
|
int[] edge_perm8 = new int[8];
|
| 297 |
398f2870
|
Leszek Koltunski
|
edgeFromQuats(edge_perm8,quats);
|
| 298 |
|
|
int[] edge_perm7 = edgePermTo7(edge_perm8);
|
| 299 |
6ab0bce9
|
Leszek Koltunski
|
|
| 300 |
|
|
int corner_perm_num = TablebaseHelpers.computePermutationNum(corner_perm);
|
| 301 |
|
|
int edge_perm_num = TablebaseHelpers.computePermutationNum(edge_perm7);
|
| 302 |
5b9e0ba4
|
Leszek Koltunski
|
int centers = centersInverted(quats);
|
| 303 |
6ab0bce9
|
Leszek Koltunski
|
|
| 304 |
5b9e0ba4
|
Leszek Koltunski
|
return corner_perm_num + 40320*( centers + 2*edge_perm_num);
|
| 305 |
68b59ec3
|
Leszek Koltunski
|
}
|
| 306 |
|
|
}
|