1 |
420eb96d
|
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.solvers;
|
11 |
|
|
|
12 |
|
|
import android.content.res.Resources;
|
13 |
|
|
|
14 |
|
|
import org.distorted.main.R;
|
15 |
|
|
import org.distorted.objectlib.main.TwistyObject;
|
16 |
|
|
import org.distorted.screens.RubikScreenSolver;
|
17 |
|
|
import org.distorted.solvers.cube3.SolverSearch;
|
18 |
|
|
|
19 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
20 |
|
|
|
21 |
|
|
public class SolverCube3
|
22 |
|
|
{
|
23 |
|
|
private final Resources mRes;
|
24 |
|
|
private final TwistyObject mObject;
|
25 |
|
|
private int mColorID;
|
26 |
|
|
|
27 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
28 |
|
|
|
29 |
|
|
private int mapCubitToFace(int cubit, int face)
|
30 |
|
|
{
|
31 |
|
|
if( cubit<8 )
|
32 |
|
|
{
|
33 |
|
|
switch(face)
|
34 |
|
|
{
|
35 |
|
|
case 0: return 1;
|
36 |
|
|
case 1: if( cubit==2 ) return 5;
|
37 |
|
|
if( cubit==1 ) return 3;
|
38 |
|
|
return 1;
|
39 |
|
|
case 2: return cubit==7 ? 5 : 3;
|
40 |
|
|
case 3: if( cubit==1 ) return 1;
|
41 |
|
|
return cubit==4 ? 5 : 3;
|
42 |
|
|
case 4: return cubit==7 ? 3 : 5;
|
43 |
|
|
case 5: if( cubit==2 ) return 1;
|
44 |
|
|
if( cubit==4 ) return 3;
|
45 |
|
|
return 5;
|
46 |
|
|
}
|
47 |
|
|
}
|
48 |
|
|
|
49 |
|
|
if( cubit>19 ) return 4;
|
50 |
|
|
|
51 |
|
|
switch(face)
|
52 |
|
|
{
|
53 |
|
|
case 0: return cubit==15 || cubit==18 ? 3 : 5;
|
54 |
|
|
case 1: return cubit==13 || cubit==16 ? 3 : 5;
|
55 |
|
|
case 2: return cubit==10 ? 5 : 3;
|
56 |
|
|
case 3: return cubit== 8 ? 3 : 5;
|
57 |
|
|
case 4: return cubit== 9 ? 3 : 5;
|
58 |
|
|
case 5: return cubit== 8 ? 5 : 3;
|
59 |
|
|
}
|
60 |
|
|
|
61 |
|
|
return -1;
|
62 |
|
|
}
|
63 |
|
|
|
64 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
65 |
|
|
|
66 |
|
|
private int checkPosition(String position)
|
67 |
|
|
{
|
68 |
|
|
int[] numColors = new int[6];
|
69 |
|
|
int len = position.length();
|
70 |
|
|
|
71 |
|
|
for(int i=0; i<len; i++)
|
72 |
|
|
{
|
73 |
|
|
char ch = position.charAt(i);
|
74 |
|
|
|
75 |
|
|
switch(ch)
|
76 |
|
|
{
|
77 |
|
|
case 'R': numColors[0]++; break;
|
78 |
|
|
case 'L': numColors[1]++; break;
|
79 |
|
|
case 'U': numColors[2]++; break;
|
80 |
|
|
case 'D': numColors[3]++; break;
|
81 |
|
|
case 'F': numColors[4]++; break;
|
82 |
|
|
case 'B': numColors[5]++; break;
|
83 |
|
|
}
|
84 |
|
|
}
|
85 |
|
|
|
86 |
ca278d11
|
Leszek Koltunski
|
if( numColors[0]<9 ) { mColorID = R.string.color_yellow1; return numColors[0]; }
|
87 |
|
|
if( numColors[1]<9 ) { mColorID = R.string.color_white1 ; return numColors[1]; }
|
88 |
|
|
if( numColors[2]<9 ) { mColorID = R.string.color_blue1 ; return numColors[2]; }
|
89 |
|
|
if( numColors[3]<9 ) { mColorID = R.string.color_green1 ; return numColors[3]; }
|
90 |
|
|
if( numColors[4]<9 ) { mColorID = R.string.color_red1 ; return numColors[4]; }
|
91 |
|
|
if( numColors[5]<9 ) { mColorID = R.string.color_orange1; return numColors[5]; }
|
92 |
420eb96d
|
Leszek Koltunski
|
|
93 |
|
|
return -1;
|
94 |
|
|
}
|
95 |
|
|
|
96 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
97 |
|
|
// order: Up --> Right --> Front --> Down --> Left --> Back
|
98 |
|
|
// (because the first implemented Solver - the two-phase Cube3 one - expects such order)
|
99 |
|
|
//
|
100 |
|
|
// Solved 3x3x3 Cube maps to "UUUUUUUUURRRRRRRRRFFFFFFFFFDDDDDDDDDLLLLLLLLLBBBBBBBBB"
|
101 |
|
|
|
102 |
|
|
private String preparePosition()
|
103 |
|
|
{
|
104 |
|
|
StringBuilder objectString = new StringBuilder();
|
105 |
|
|
|
106 |
|
|
final int R = 0;
|
107 |
|
|
final int L = 1;
|
108 |
|
|
final int U = 2;
|
109 |
|
|
final int D = 3;
|
110 |
|
|
final int F = 4;
|
111 |
|
|
final int B = 5;
|
112 |
|
|
|
113 |
|
|
// 'I' - interior, theoretically can happen
|
114 |
|
|
final char[] FACE_NAMES = { 'R', 'L', 'U', 'D', 'F', 'B', 'I'};
|
115 |
|
|
|
116 |
|
|
final int[] U_INDEX = { 2,10, 6,17,22,19, 3,11, 7};
|
117 |
|
|
final int[] R_INDEX = { 7,19, 6,15,20,14, 5,18, 4};
|
118 |
|
|
final int[] F_INDEX = { 3,11, 7,13,24,15, 1, 9, 5};
|
119 |
|
|
final int[] D_INDEX = { 1, 9, 5,16,23,18, 0, 8, 4};
|
120 |
|
|
final int[] L_INDEX = { 2,17, 3,12,21,13, 0,16, 1};
|
121 |
|
|
final int[] B_INDEX = { 6,10, 2,14,25,12, 4, 8, 0};
|
122 |
|
|
|
123 |
|
|
for(int i=0; i<9; i++)
|
124 |
|
|
{
|
125 |
|
|
int face = mapCubitToFace(U_INDEX[i],U);
|
126 |
5da7a80b
|
Leszek Koltunski
|
int color = mObject.getCubitFaceStickerIndex(U_INDEX[i], face);
|
127 |
420eb96d
|
Leszek Koltunski
|
objectString.append(FACE_NAMES[color]);
|
128 |
|
|
}
|
129 |
|
|
for(int i=0; i<9; i++)
|
130 |
|
|
{
|
131 |
|
|
int face = mapCubitToFace(R_INDEX[i],R);
|
132 |
5da7a80b
|
Leszek Koltunski
|
int color = mObject.getCubitFaceStickerIndex(R_INDEX[i], face);
|
133 |
420eb96d
|
Leszek Koltunski
|
objectString.append(FACE_NAMES[color]);
|
134 |
|
|
}
|
135 |
|
|
for(int i=0; i<9; i++)
|
136 |
|
|
{
|
137 |
|
|
int face = mapCubitToFace(F_INDEX[i],F);
|
138 |
5da7a80b
|
Leszek Koltunski
|
int color = mObject.getCubitFaceStickerIndex(F_INDEX[i], face);
|
139 |
420eb96d
|
Leszek Koltunski
|
objectString.append(FACE_NAMES[color]);
|
140 |
|
|
}
|
141 |
|
|
for(int i=0; i<9; i++)
|
142 |
|
|
{
|
143 |
|
|
int face = mapCubitToFace(D_INDEX[i],D);
|
144 |
5da7a80b
|
Leszek Koltunski
|
int color = mObject.getCubitFaceStickerIndex(D_INDEX[i], face);
|
145 |
420eb96d
|
Leszek Koltunski
|
objectString.append(FACE_NAMES[color]);
|
146 |
|
|
}
|
147 |
|
|
for(int i=0; i<9; i++)
|
148 |
|
|
{
|
149 |
|
|
int face = mapCubitToFace(L_INDEX[i],L);
|
150 |
5da7a80b
|
Leszek Koltunski
|
int color = mObject.getCubitFaceStickerIndex(L_INDEX[i], face);
|
151 |
420eb96d
|
Leszek Koltunski
|
objectString.append(FACE_NAMES[color]);
|
152 |
|
|
}
|
153 |
|
|
for(int i=0; i<9; i++)
|
154 |
|
|
{
|
155 |
|
|
int face = mapCubitToFace(B_INDEX[i],B);
|
156 |
5da7a80b
|
Leszek Koltunski
|
int color = mObject.getCubitFaceStickerIndex(B_INDEX[i], face);
|
157 |
420eb96d
|
Leszek Koltunski
|
objectString.append(FACE_NAMES[color]);
|
158 |
|
|
}
|
159 |
|
|
|
160 |
|
|
return objectString.toString();
|
161 |
|
|
}
|
162 |
|
|
|
163 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
164 |
|
|
// PUBLIC API
|
165 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
166 |
|
|
|
167 |
|
|
public SolverCube3(Resources res, TwistyObject object)
|
168 |
|
|
{
|
169 |
|
|
mRes = res;
|
170 |
|
|
mObject= object;
|
171 |
|
|
}
|
172 |
|
|
|
173 |
|
|
///////////////////////////////////////////////////////////////////////////////////////////////////
|
174 |
|
|
|
175 |
|
|
public void solve(RubikScreenSolver solver)
|
176 |
|
|
{
|
177 |
|
|
String result;
|
178 |
|
|
|
179 |
|
|
SolverSearch.prepare(mRes);
|
180 |
|
|
String objectPosition = preparePosition();
|
181 |
|
|
int check = checkPosition(objectPosition);
|
182 |
|
|
|
183 |
|
|
if( check<0 )
|
184 |
|
|
{
|
185 |
|
|
result = SolverSearch.solution(objectPosition, 24, 20);
|
186 |
|
|
|
187 |
|
|
if (result.contains("Error"))
|
188 |
|
|
{
|
189 |
|
|
switch (result.charAt(result.length() - 1))
|
190 |
|
|
{
|
191 |
|
|
case '1': result = mRes.getString(R.string.solver_cube3_error1); break;
|
192 |
|
|
case '2': result = mRes.getString(R.string.solver_cube3_error2); break;
|
193 |
7dbbda72
|
Leszek Koltunski
|
case '3': result = mRes.getString(R.string.solver_generic_edge_twist); break;
|
194 |
420eb96d
|
Leszek Koltunski
|
case '4': result = mRes.getString(R.string.solver_cube3_error4); break;
|
195 |
ca278d11
|
Leszek Koltunski
|
case '5': result = mRes.getString(R.string.solver_generic_corner_twist); break;
|
196 |
420eb96d
|
Leszek Koltunski
|
case '6': result = mRes.getString(R.string.solver_cube3_error6); break;
|
197 |
|
|
case '7': result = mRes.getString(R.string.solver_cube3_error7); break;
|
198 |
|
|
case '8': result = mRes.getString(R.string.solver_cube3_error8); break;
|
199 |
|
|
case '9': result = mRes.getString(R.string.solver_cube3_error9); break;
|
200 |
|
|
}
|
201 |
|
|
|
202 |
|
|
solver.displayErrorDialog(result);
|
203 |
|
|
}
|
204 |
|
|
else
|
205 |
|
|
{
|
206 |
|
|
solver.setSolved(result);
|
207 |
|
|
}
|
208 |
|
|
}
|
209 |
|
|
else
|
210 |
|
|
{
|
211 |
|
|
String color = mRes.getString(mColorID);
|
212 |
|
|
result = mRes.getString(R.string.solver_cube3_error1,check,color);
|
213 |
|
|
solver.displayErrorDialog(result);
|
214 |
|
|
}
|
215 |
|
|
}
|
216 |
|
|
}
|