1 files changed, 57 insertions, 0 deletions

diff --git a/old/2020-unknown-date/moves.c b/old/2020-unknown-date/moves.c
new file mode 100644
index 0000000..de293ed
--- /dev/null
+++ b/old/2020-unknown-date/moves.c
@@ -0,0 +1,57 @@
+#include <stdbool.h>
+#include "pieces.h"
+#include "moves.h"
+#include "utils.h"
+
+/* Transition tables */
+int eofb_ttable[pow2to11][NULLMOVE];
+int eorl_ttable[pow2to11][NULLMOVE];
+int eoud_ttable[pow2to11][NULLMOVE];
+int coud_ttable[pow3to7][NULLMOVE];
+int cofb_ttable[pow3to7][NULLMOVE];
+int corl_ttable[pow3to7][NULLMOVE];
+int epose_ttable[factorial12/factorial8][NULLMOVE];
+int eposs_ttable[factorial12/factorial8][NULLMOVE];
+int eposm_ttable[factorial12/factorial8][NULLMOVE];
+int cp_ttable[factorial8][NULLMOVE];
+int centerpos_ttable[factorial6][NULLMOVE];
+
+void apply_move_ep(Move m, int a[12]) {
+  int aux[12];
+  intarrcopy(a, aux, 12);
+  for (int i = 0; i < 12; i++)
+    a[i] = aux[edge_cycle[m][i]];
+}
+
+void apply_move_cp(Move m, int a[8]) {
+  int aux[8];
+  intarrcopy(a, aux, 8);
+  for (int i = 0; i < 8; i++)
+    a[i] = aux[corner_cycle[m][i]];
+}
+
+void apply_move_centerpos(Move m, int a[6]) {
+  int aux[6];
+  intarrcopy(a, aux, 6);
+  for (int i = 0; i < 6; i++)
+    a[i] = aux[center_cycle[m][i]];
+}
+
+void init_ttables() {
+  /* TODO */
+}
+
+void apply_move(Move m, Cube *cube) {
+  cube->eofb = eofb_ttable[cube->eofb][m];
+  cube->eorl = eorl_ttable[cube->eorl][m];
+  cube->eoud = eoud_ttable[cube->eoud][m];
+  cube->coud = coud_ttable[cube->coud][m];
+  cube->cofb = cofb_ttable[cube->cofb][m];
+  cube->corl = corl_ttable[cube->corl][m];
+  cube->epose = epose_ttable[cube->epose][m];
+  cube->eposs = eposs_ttable[cube->eposs][m];
+  cube->eposm = eposm_ttable[cube->eposm][m];
+  cube->cp = cp_ttable[cube->cp][m];
+  cube->centerpos = centerpos_ttable[cube->centerpos][m];
+}
+