Revision a76bb8f6
Added by Leszek Koltunski about 1 year ago
| src/main/java/org/distorted/objectlib/tablebases/TBDino6.java | ||
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package org.distorted.objectlib.tablebases; |
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import static org.distorted.objectlib.main.TwistyObject.SQ3; |
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import android.content.res.Resources; |
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import org.distorted.library.type.Static3D; |
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import org.distorted.objectlib.R; |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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public class TBDino6 extends TablebasesPruning
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public class TBDino6 extends TBDino
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{
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private static final int INDEX_INVERTED = 13379863; // quats (0,10,0,10, 11,11,11,11, 0,10,0,10) |
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private static final int[][] QUATS = |
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{
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{0,2,10,8, 1,3,5,7, 11,6,9,4},
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{1,0,5,10, 2,6,8,4, 7,9,3,11},
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{10,6,0,4, 7,5,3,1, 9,2,11,8},
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{7,10,3,0, 6,2,4,8, 1,11,5,9},
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{2,1,8,5, 0,9,10,11, 4,3,6,7 },
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{4,5,6,1, 9,0,11,10, 2,7,8,3 },
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{6,7,4,3, 10,11,0,9, 8,5,2,1 },
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{8,3,2,7, 11,10,9,0, 6,1,4,5 },
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{11,8,9,2, 3,1,7,5, 0,4,10,6},
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{5,9,1,11, 4,8,6,2, 3,0,7,10},
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{9,4,11,6, 5,7,1,3, 10,8,0,2},
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{3,11,7,9, 8,4,2,6, 5,10,1,0}
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}; |
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private int[][] mAngles; |
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private static final int SOLVED1 = 0; |
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private static final int SOLVED2 = 13379863; // quats (0,10,0,10, 11,11,11,11, 0,10,0,10) |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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|
| ... | ... | |
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super(res,new int[] {R.raw.dino_3_pruning3,R.raw.dino_3_pruning4},new int[] {R.raw.dino_3_pruning10});
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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int[][] getBasicAngles() |
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{
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if( mAngles==null ) |
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{
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int[] tmp = {3,3,3};
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mAngles = new int[][] { tmp,tmp,tmp,tmp };
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} |
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return mAngles; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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Static3D[] getRotationAxis() |
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{
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return new Static3D[] |
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{
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new Static3D( SQ3/3, SQ3/3, SQ3/3), |
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new Static3D(-SQ3/3,-SQ3/3, SQ3/3), |
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new Static3D(-SQ3/3, SQ3/3,-SQ3/3), |
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new Static3D( SQ3/3,-SQ3/3,-SQ3/3), |
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}; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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float[][] getPosition() |
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{
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return new float[][] |
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{
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{ 0.0f, 1.5f, 1.5f },
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{ 1.5f, 0.0f, 1.5f },
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{ 0.0f,-1.5f, 1.5f },
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{-1.5f, 0.0f, 1.5f },
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{ 1.5f, 1.5f, 0.0f },
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{ 1.5f,-1.5f, 0.0f },
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{-1.5f,-1.5f, 0.0f },
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{-1.5f, 1.5f, 0.0f },
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{ 0.0f, 1.5f,-1.5f },
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{ 1.5f, 0.0f,-1.5f },
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{ 0.0f,-1.5f,-1.5f },
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{-1.5f, 0.0f,-1.5f }
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}; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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float[][] getCuts() |
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{
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float[] cut = new float[] { -SQ3/3, SQ3/3 };
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return new float[][] { cut,cut,cut,cut };
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// exclude the middle layer |
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boolean[][] getRotatable() |
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{
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boolean[] tmp = {true,false,true};
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return new boolean[][] { tmp,tmp,tmp,tmp };
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// specifically for the tablebase |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
| ... | ... | |
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@Override |
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int[] getSolvedIndices() |
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{
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return new int[] {0,INDEX_INVERTED};
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return new int[] {SOLVED1,SOLVED2};
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
| ... | ... | |
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@Override |
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boolean isSolved(int index) |
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{
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return index==0 || index==INDEX_INVERTED; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// we can never really move the top-front edge, because if we do so, we would also rotate the |
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// rotation axis themselves! (see getIndex() where the cubit quats are normalized so that quat[0] |
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// - i.e. the front-top edge - is always 0). |
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// That's why map the moves (0,2,X) to (0,0&1,-X) and (3,0,X) to (3,1&2,-X) |
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@Override |
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int[] newMove(int axis, int layer, int angle) |
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{
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if( axis==0 && layer==2 ) return new int[] { axis, 3, angle==1 ? 1:-1};
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if( axis==3 && layer==0 ) return new int[] { axis, 6, angle==1 ? 1:-1};
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int maxAngle = mAngles[axis][layer]; |
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angle = maxAngle-angle; |
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if( angle> 0.5f*maxAngle ) angle -= maxAngle; |
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return new int[] { axis, (1<<layer), angle };
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// here we change back the mapping introduced by 'newMove()' |
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@Override |
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void convertMoves(int[][] moves) |
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{
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for(int[] move : moves ) |
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{
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int[] newMove = newMove(move[0],move[1],move[2]); |
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move[0] = newMove[0]; |
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move[1] = newMove[1]; |
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move[2] = newMove[2]; |
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} |
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/* |
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int len = moves.length; |
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for(int i=0; i<len; i++) |
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{
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int[] move = moves[i]; |
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if( move[1]==3 || move[1]==6 ) unrollMoves(moves,i); |
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} |
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*/ |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private void unrollMoves(int[][] moves, int index) |
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{
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int[] move = moves[index]; |
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int len = moves.length; |
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if( move[0]==0 && move[1]==3 ) |
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{
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move[1] = 4; |
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move[2] = -move[2]; |
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for(int i=index+1; i<len; i++) unrollMove(moves[i],move[2]>0 ? 0:1); |
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} |
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else if( move[0]==3 && move[1]==6 ) |
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{
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move[1] = 1; |
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move[2] = -move[2]; |
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for(int i=index+1; i<len; i++) unrollMove(moves[i],move[2]>0 ? 0:1); |
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} |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private void printMoves(String s, int[][] moves) |
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{
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StringBuilder sb = new StringBuilder(); |
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for(int[] move: moves) |
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{
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sb.append('(');
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sb.append(move[0]); |
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sb.append(' ');
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sb.append(move[1]); |
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sb.append(' ');
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sb.append(move[2]); |
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sb.append(')');
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} |
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android.util.Log.e("D", s+" : "+sb);
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private void unrollMove(int[] move, int caseUnroll) |
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{
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int ax = move[0]; |
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int la = move[1]; |
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switch(caseUnroll) |
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{
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case 0: android.util.Log.e("D", "case 0 ax "+ax);
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switch(ax) |
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{
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case 0: break; |
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case 1: move[0]=3; move[1]=negate(la); move[2] = -move[2]; break; |
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case 2: move[0]=1; break; |
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case 3: move[0]=2; move[1]=negate(la); move[2] = -move[2]; break; |
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} |
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break; |
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case 1: android.util.Log.e("D", "case 1 ax "+ax);
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switch(ax) |
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{
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case 0: break; |
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case 1: move[0]=2; break; |
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case 2: move[0]=3; move[1]=negate(la); move[2] = -move[2]; break; |
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case 3: move[0]=1; move[1]=negate(la); move[2] = -move[2]; break; |
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} |
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break; |
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case 2: android.util.Log.e("D", "case 2 ax "+ax);
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switch(ax) |
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{
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case 0: move[0]=1; move[1]=negate(la); move[2] = -move[2]; break; |
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case 1: move[0]=2; break; |
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case 2: move[0]=0; move[1]=negate(la); move[2] = -move[2]; break; |
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case 3: break; |
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} |
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break; |
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case 3: android.util.Log.e("D", "case 3 ax "+ax);
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switch(ax) |
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{
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case 0: move[0]=2; move[1]=negate(la); move[2] = -move[2]; break; |
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case 1: move[0]=0; move[1]=negate(la); move[2] = -move[2]; break; |
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case 2: move[0]=1; break; |
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case 3: break; |
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} |
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break; |
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} |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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private int negate(int layer) |
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{
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switch(layer) |
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{
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case 1: return 4; |
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case 3: return 6; |
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case 4: return 1; |
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case 6: return 3; |
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} |
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return layer; |
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return index==SOLVED1 || index==SOLVED2; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
| ... | ... | |
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return 10; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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boolean moveCanProceed(int lastA, int lastR, int currA, int currR) |
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{
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return (lastA!=currA) || (lastR!=currR); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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public static int getIndexFromPerm(int[] perm) |
| ... | ... | |
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return TablebaseHelpers.computeEvenPermutationNum(perm11); |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// in-place! |
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public static int[] getPermFromQuats(int[] quats) |
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{
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for(int i=0; i<12; i++) |
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{
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int[] Q = QUATS[i]; |
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int quat = quats[i]; |
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for(int j=0; j<12; j++) |
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if( Q[j]==quat ) |
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{
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quats[i] = j; |
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break; |
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} |
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} |
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return quats; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// in-place! |
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public static int[] getQuatsFromPerm(int[] perm) |
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{
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for(int i=0; i<12; i++) |
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{
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int p = perm[i]; |
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perm[i] = QUATS[i][p]; |
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} |
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return perm; |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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// we rotate the whole thing so that quat[0] is always 0. |
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private void normalizeQuats(int[] quats) |
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{
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if( quats[0]!=0 ) |
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{
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int inverted = getInvertedQuat(quats[0]); |
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quats[0] = 0; |
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for(int i=1; i<12; i++) |
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{
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int index = quats[i]; |
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quats[i] = getMultQuat(inverted,index); |
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} |
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} |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////////////// |
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int[] getQuats(int index) |
Also available in: Unified diff
Dino solvers: unroll moves!