diff options
Diffstat (limited to 'src/cube.c')
| -rw-r--r-- | src/cube.c | 270 |
1 files changed, 74 insertions, 196 deletions
| @@ -42,6 +42,78 @@ | |||
| 42 | #define _eflip 0x10U | 42 | #define _eflip 0x10U |
| 43 | #define _error 0xFFU | 43 | #define _error 0xFFU |
| 44 | 44 | ||
| 45 | move_t inverse_move[] = { | ||
| 46 | [U] = U3, | ||
| 47 | [U2] = U2, | ||
| 48 | [U3] = U, | ||
| 49 | [D] = D3, | ||
| 50 | [D2] = D2, | ||
| 51 | [D3] = D, | ||
| 52 | [R] = R3, | ||
| 53 | [R2] = R2, | ||
| 54 | [R3] = R, | ||
| 55 | [L] = L3, | ||
| 56 | [L2] = L2, | ||
| 57 | [L3] = L, | ||
| 58 | [F] = F3, | ||
| 59 | [F2] = F2, | ||
| 60 | [F3] = F, | ||
| 61 | [B] = B3, | ||
| 62 | [B2] = B2, | ||
| 63 | [B3] = B, | ||
| 64 | }; | ||
| 65 | |||
| 66 | trans_t inverse_trans[] = { | ||
| 67 | [UFr] = UFr, | ||
| 68 | [ULr] = URr, | ||
| 69 | [UBr] = UBr, | ||
| 70 | [URr] = URr, | ||
| 71 | [DFr] = DFr, | ||
| 72 | [DLr] = DLr, | ||
| 73 | [DRr] = DRr, | ||
| 74 | [DBr] = DBr, | ||
| 75 | [RUr] = FRr, | ||
| 76 | [RFr] = LFr, | ||
| 77 | [RDr] = BLr, | ||
| 78 | [RBr] = RBr, | ||
| 79 | [LUr] = FLr, | ||
| 80 | [LFr] = RFr, | ||
| 81 | [LDr] = BRr, | ||
| 82 | [LBr] = LBr, | ||
| 83 | [FUr] = FUr, | ||
| 84 | [FRr] = RUr, | ||
| 85 | [FDr] = BUr, | ||
| 86 | [FLr] = LUr, | ||
| 87 | [BUr] = FDr, | ||
| 88 | [BLr] = RDr, | ||
| 89 | [BDr] = BDr, | ||
| 90 | [BRr] = LDr, | ||
| 91 | [UFm] = UFm, | ||
| 92 | [ULm] = ULm, | ||
| 93 | [UBm] = UBm, | ||
| 94 | [URm] = ULm, | ||
| 95 | [DFm] = DFm, | ||
| 96 | [DLm] = DRm, | ||
| 97 | [DRm] = DLm, | ||
| 98 | [DBm] = DBm, | ||
| 99 | [RUm] = FLm, | ||
| 100 | [RFm] = RFm, | ||
| 101 | [RDm] = BRm, | ||
| 102 | [RBm] = LBm, | ||
| 103 | [LUm] = FRm, | ||
| 104 | [LFm] = LFm, | ||
| 105 | [LDm] = BLm, | ||
| 106 | [LBm] = RBm, | ||
| 107 | [FUm] = FUm, | ||
| 108 | [FRm] = LUm, | ||
| 109 | [FDm] = BUm, | ||
| 110 | [FLm] = RUm, | ||
| 111 | [BUm] = FDm, | ||
| 112 | [BLm] = LDm, | ||
| 113 | [BDm] = BDm, | ||
| 114 | [BRm] = RDm, | ||
| 115 | }; | ||
| 116 | |||
| 45 | static char *cornerstr[] = { | 117 | static char *cornerstr[] = { |
| 46 | [_c_ufr] = "UFR", | 118 | [_c_ufr] = "UFR", |
| 47 | [_c_ubl] = "UBL", | 119 | [_c_ubl] = "UBL", |
| @@ -894,200 +966,7 @@ flipallcorners(cube_t c) | |||
| 894 | cube_t | 966 | cube_t |
| 895 | transform(cube_t c, trans_t t) | 967 | transform(cube_t c, trans_t t) |
| 896 | { | 968 | { |
| 897 | static cube_t trans_move_cube[] = { | 969 | #include "trans_move_arr.h" |
| 898 | [UFr] = { | ||
| 899 | .c = {0, 1, 2, 3, 4, 5, 6, 7}, | ||
| 900 | .e = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11} | ||
| 901 | }, | ||
| 902 | [ULr] = { | ||
| 903 | .c = {4, 5, 7, 6, 1, 0, 2, 3}, | ||
| 904 | .e = {5, 4, 7, 6, 0, 1, 2, 3, 25, 26, 27, 24} | ||
| 905 | }, | ||
| 906 | [UBr] = { | ||
| 907 | .c = {1, 0, 3, 2, 5, 4, 7, 6}, | ||
| 908 | .e = {1, 0, 3, 2, 5, 4, 7, 6, 10, 11, 8, 9} | ||
| 909 | }, | ||
| 910 | [URr] = { | ||
| 911 | .c = {5, 4, 6, 7, 0, 1, 3, 2}, | ||
| 912 | .e = {4, 5, 6, 7, 1, 0, 3, 2, 27, 24, 25, 26} | ||
| 913 | }, | ||
| 914 | [DFr] = { | ||
| 915 | .c = {2, 3, 0, 1, 6, 7, 4, 5}, | ||
| 916 | .e = {3, 2, 1, 0, 6, 7, 4, 5, 9, 8, 11, 10} | ||
| 917 | }, | ||
| 918 | [DLr] = { | ||
| 919 | .c = {7, 6, 4, 5, 2, 3, 1, 0}, | ||
| 920 | .e = {6, 7, 4, 5, 2, 3, 0, 1, 26, 25, 24, 27} | ||
| 921 | }, | ||
| 922 | [DBr] = { | ||
| 923 | .c = {3, 2, 1, 0, 7, 6, 5, 4}, | ||
| 924 | .e = {2, 3, 0, 1, 7, 6, 5, 4, 11, 10, 9, 8} | ||
| 925 | }, | ||
| 926 | [DRr] = { | ||
| 927 | .c = {6, 7, 5, 4, 3, 2, 0, 1}, | ||
| 928 | .e = {7, 6, 5, 4, 3, 2, 1, 0, 24, 27, 26, 25} | ||
| 929 | }, | ||
| 930 | [RUr] = { | ||
| 931 | .c = {64, 67, 65, 66, 37, 38, 36, 39}, | ||
| 932 | .e = {20, 23, 22, 21, 24, 27, 26, 25, 0, 1, 2, 3} | ||
| 933 | }, | ||
| 934 | [RFr] = { | ||
| 935 | .c = {38, 37, 36, 39, 64, 67, 66, 65}, | ||
| 936 | .e = {24, 27, 26, 25, 23, 20, 21, 22, 19, 16, 17, 18} | ||
| 937 | }, | ||
| 938 | [RDr] = { | ||
| 939 | .c = {67, 64, 66, 65, 38, 37, 39, 36}, | ||
| 940 | .e = {23, 20, 21, 22, 27, 24, 25, 26, 2, 3, 0, 1} | ||
| 941 | }, | ||
| 942 | [RBr] = { | ||
| 943 | .c = {37, 38, 39, 36, 67, 64, 65, 66}, | ||
| 944 | .e = {27, 24, 25, 26, 20, 23, 22, 21, 17, 18, 19, 16} | ||
| 945 | }, | ||
| 946 | [LUr] = { | ||
| 947 | .c = {65, 66, 64, 67, 36, 39, 37, 38}, | ||
| 948 | .e = {21, 22, 23, 20, 26, 25, 24, 27, 1, 0, 3, 2} | ||
| 949 | }, | ||
| 950 | [LFr] = { | ||
| 951 | .c = {36, 39, 38, 37, 66, 65, 64, 67}, | ||
| 952 | .e = {25, 26, 27, 24, 21, 22, 23, 20, 16, 19, 18, 17} | ||
| 953 | }, | ||
| 954 | [LDr] = { | ||
| 955 | .c = {66, 65, 67, 64, 39, 36, 38, 37}, | ||
| 956 | .e = {22, 21, 20, 23, 25, 26, 27, 24, 3, 2, 1, 0} | ||
| 957 | }, | ||
| 958 | [LBr] = { | ||
| 959 | .c = {39, 36, 37, 38, 65, 66, 67, 64}, | ||
| 960 | .e = {26, 25, 24, 27, 22, 21, 20, 23, 18, 17, 16, 19} | ||
| 961 | }, | ||
| 962 | [FUr] = { | ||
| 963 | .c = {68, 70, 69, 71, 32, 34, 33, 35}, | ||
| 964 | .e = {16, 19, 18, 17, 9, 8, 11, 10, 5, 4, 7, 6} | ||
| 965 | }, | ||
| 966 | [FRr] = { | ||
| 967 | .c = {32, 34, 35, 33, 70, 68, 69, 71}, | ||
| 968 | .e = {8, 9, 10, 11, 16, 19, 18, 17, 20, 23, 22, 21} | ||
| 969 | }, | ||
| 970 | [FDr] = { | ||
| 971 | .c = {70, 68, 71, 69, 34, 32, 35, 33}, | ||
| 972 | .e = {19, 16, 17, 18, 8, 9, 10, 11, 7, 6, 5, 4} | ||
| 973 | }, | ||
| 974 | [FLr] = { | ||
| 975 | .c = {34, 32, 33, 35, 68, 70, 71, 69}, | ||
| 976 | .e = {9, 8, 11, 10, 19, 16, 17, 18, 22, 21, 20, 23} | ||
| 977 | }, | ||
| 978 | [BUr] = { | ||
| 979 | .c = {69, 71, 68, 70, 33, 35, 32, 34}, | ||
| 980 | .e = {17, 18, 19, 16, 11, 10, 9, 8, 4, 5, 6, 7} | ||
| 981 | }, | ||
| 982 | [BRr] = { | ||
| 983 | .c = {35, 33, 32, 34, 69, 71, 70, 68}, | ||
| 984 | .e = {11, 10, 9, 8, 18, 17, 16, 19, 23, 20, 21, 22} | ||
| 985 | }, | ||
| 986 | [BDr] = { | ||
| 987 | .c = {71, 69, 70, 68, 35, 33, 34, 32}, | ||
| 988 | .e = {18, 17, 16, 19, 10, 11, 8, 9, 6, 7, 4, 5} | ||
| 989 | }, | ||
| 990 | [BLr] = { | ||
| 991 | .c = {33, 35, 34, 32, 71, 69, 68, 70}, | ||
| 992 | .e = {10, 11, 8, 9, 17, 18, 19, 16, 21, 22, 23, 20} | ||
| 993 | }, | ||
| 994 | [UFm] = { | ||
| 995 | .c = {4, 5, 6, 7, 0, 1, 2, 3}, | ||
| 996 | .e = {0, 1, 2, 3, 5, 4, 7, 6, 9, 8, 11, 10} | ||
| 997 | }, | ||
| 998 | [ULm] = { | ||
| 999 | .c = {0, 1, 3, 2, 5, 4, 6, 7}, | ||
| 1000 | .e = {4, 5, 6, 7, 0, 1, 2, 3, 24, 27, 26, 25} | ||
| 1001 | }, | ||
| 1002 | [UBm] = { | ||
| 1003 | .c = {5, 4, 7, 6, 1, 0, 3, 2}, | ||
| 1004 | .e = {1, 0, 3, 2, 4, 5, 6, 7, 11, 10, 9, 8} | ||
| 1005 | }, | ||
| 1006 | [URm] = { | ||
| 1007 | .c = {1, 0, 2, 3, 4, 5, 7, 6}, | ||
| 1008 | .e = {5, 4, 7, 6, 1, 0, 3, 2, 26, 25, 24, 27} | ||
| 1009 | }, | ||
| 1010 | [DFm] = { | ||
| 1011 | .c = {6, 7, 4, 5, 2, 3, 0, 1}, | ||
| 1012 | .e = {3, 2, 1, 0, 7, 6, 5, 4, 8, 9, 10, 11} | ||
| 1013 | }, | ||
| 1014 | [DLm] = { | ||
| 1015 | .c = {3, 2, 0, 1, 6, 7, 5, 4}, | ||
| 1016 | .e = {7, 6, 5, 4, 2, 3, 0, 1, 27, 24, 25, 26} | ||
| 1017 | }, | ||
| 1018 | [DBm] = { | ||
| 1019 | .c = {7, 6, 5, 4, 3, 2, 1, 0}, | ||
| 1020 | .e = {2, 3, 0, 1, 6, 7, 4, 5, 10, 11, 8, 9} | ||
| 1021 | }, | ||
| 1022 | [DRm] = { | ||
| 1023 | .c = {2, 3, 1, 0, 7, 6, 4, 5}, | ||
| 1024 | .e = {6, 7, 4, 5, 3, 2, 1, 0, 25, 26, 27, 24} | ||
| 1025 | }, | ||
| 1026 | [RUm] = { | ||
| 1027 | .c = {68, 71, 69, 70, 33, 34, 32, 35}, | ||
| 1028 | .e = {21, 22, 23, 20, 25, 26, 27, 24, 0, 1, 2, 3} | ||
| 1029 | }, | ||
| 1030 | [RFm] = { | ||
| 1031 | .c = {34, 33, 32, 35, 68, 71, 70, 69}, | ||
| 1032 | .e = {25, 26, 27, 24, 22, 21, 20, 23, 19, 16, 17, 18} | ||
| 1033 | }, | ||
| 1034 | [RDm] = { | ||
| 1035 | .c = {71, 68, 70, 69, 34, 33, 35, 32}, | ||
| 1036 | .e = {22, 21, 20, 23, 26, 25, 24, 27, 2, 3, 0, 1} | ||
| 1037 | }, | ||
| 1038 | [RBm] = { | ||
| 1039 | .c = {33, 34, 35, 32, 71, 68, 69, 70}, | ||
| 1040 | .e = {26, 25, 24, 27, 21, 22, 23, 20, 17, 18, 19, 16} | ||
| 1041 | }, | ||
| 1042 | [LUm] = { | ||
| 1043 | .c = {69, 70, 68, 71, 32, 35, 33, 34}, | ||
| 1044 | .e = {20, 23, 22, 21, 27, 24, 25, 26, 1, 0, 3, 2} | ||
| 1045 | }, | ||
| 1046 | [LFm] = { | ||
| 1047 | .c = {32, 35, 34, 33, 70, 69, 68, 71}, | ||
| 1048 | .e = {24, 27, 26, 25, 20, 23, 22, 21, 16, 19, 18, 17} | ||
| 1049 | }, | ||
| 1050 | [LDm] = { | ||
| 1051 | .c = {70, 69, 71, 68, 35, 32, 34, 33}, | ||
| 1052 | .e = {23, 20, 21, 22, 24, 27, 26, 25, 3, 2, 1, 0} | ||
| 1053 | }, | ||
| 1054 | [LBm] = { | ||
| 1055 | .c = {35, 32, 33, 34, 69, 70, 71, 68}, | ||
| 1056 | .e = {27, 24, 25, 26, 23, 20, 21, 22, 18, 17, 16, 19} | ||
| 1057 | }, | ||
| 1058 | [FUm] = { | ||
| 1059 | .c = {64, 66, 65, 67, 36, 38, 37, 39}, | ||
| 1060 | .e = {16, 19, 18, 17, 8, 9, 10, 11, 4, 5, 6, 7} | ||
| 1061 | }, | ||
| 1062 | [FRm] = { | ||
| 1063 | .c = {36, 38, 39, 37, 66, 64, 65, 67}, | ||
| 1064 | .e = {9, 8, 11, 10, 16, 19, 18, 17, 21, 22, 23, 20} | ||
| 1065 | }, | ||
| 1066 | [FDm] = { | ||
| 1067 | .c = {66, 64, 67, 65, 38, 36, 39, 37}, | ||
| 1068 | .e = {19, 16, 17, 18, 9, 8, 11, 10, 6, 7, 4, 5} | ||
| 1069 | }, | ||
| 1070 | [FLm] = { | ||
| 1071 | .c = {38, 36, 37, 39, 64, 66, 67, 65}, | ||
| 1072 | .e = {8, 9, 10, 11, 19, 16, 17, 18, 23, 20, 21, 22} | ||
| 1073 | }, | ||
| 1074 | [BUm] = { | ||
| 1075 | .c = {65, 67, 64, 66, 37, 39, 36, 38}, | ||
| 1076 | .e = {17, 18, 19, 16, 10, 11, 8, 9, 5, 4, 7, 6} | ||
| 1077 | }, | ||
| 1078 | [BRm] = { | ||
| 1079 | .c = {39, 37, 36, 38, 65, 67, 66, 64}, | ||
| 1080 | .e = {10, 11, 8, 9, 18, 17, 16, 19, 22, 21, 20, 23} | ||
| 1081 | }, | ||
| 1082 | [BDm] = { | ||
| 1083 | .c = {67, 65, 66, 64, 39, 37, 38, 36}, | ||
| 1084 | .e = {18, 17, 16, 19, 11, 10, 9, 8, 7, 6, 5, 4} | ||
| 1085 | }, | ||
| 1086 | [BLm] = { | ||
| 1087 | .c = {37, 39, 38, 36, 67, 65, 64, 66}, | ||
| 1088 | .e = {11, 10, 9, 8, 17, 18, 19, 16, 20, 23, 22, 21} | ||
| 1089 | }, | ||
| 1090 | }; | ||
| 1091 | 970 | ||
| 1092 | cube_t ret; | 971 | cube_t ret; |
| 1093 | 972 | ||
| @@ -1104,8 +983,7 @@ transform(cube_t c, trans_t t) | |||
| 1104 | 983 | ||
| 1105 | ret = compose(solvedcube, trans_move_cube[t]); | 984 | ret = compose(solvedcube, trans_move_cube[t]); |
| 1106 | ret = compose(ret, c); | 985 | ret = compose(ret, c); |
| 1107 | /* TODO: pre-compute inverse for performance */ | 986 | ret = compose(ret, trans_move_cube_inverse[t]); |
| 1108 | ret = compose(ret, inverse(trans_move_cube[t])); | ||
| 1109 | 987 | ||
| 1110 | /* TODO: work out a better way to do this */ | 988 | /* TODO: work out a better way to do this */ |
| 1111 | if (t >= 24) | 989 | if (t >= 24) |
