2022 day22 part2

1 files changed, 29 insertions, 19 deletions

diff --git a/src/2022/day22/aoc.cpp b/src/2022/day22/aoc.cpp
index fc8589c..91c1957 100644
--- a/src/2022/day22/aoc.cpp
+++ b/src/2022/day22/aoc.cpp
@@ -195,8 +195,8 @@ void cube_up(int s, person* p, cube_map** pcm) {
       facing f = (*pcm)->sides[facing::up].f;
       person p0 = wrap(p, pcm, cm, f);
 
-      char fs[] = {'>', 'v', '<', '^'};
-      printf("wrap up p0[%d, %d, %c]\n", p0.x, p0.y, fs[p0.f]);
+      // char fs[] = {'>', 'v', '<', '^'};
+      // printf("wrap up p0[%d, %d, %c]\n", p0.x, p0.y, fs[p0.f]);
 
       if (cube_get(&p0, cm) == '.') {
         *p = p0;
@@ -227,8 +227,8 @@ void cube_down(int s, person* p, cube_map** pcm) {
       facing f = (*pcm)->sides[facing::down].f;
       person p0 = wrap(p, pcm, cm, f);
 
-      char fs[] = {'>', 'v', '<', '^'};
-      printf("wrap down p0[%d, %d, %c]\n", p0.x, p0.y, fs[p0.f]);
+      // char fs[] = {'>', 'v', '<', '^'};
+      // printf("wrap down p0[%d, %d, %c]\n", p0.x, p0.y, fs[p0.f]);
 
       if (cube_get(&p0, cm) == '.') {
         *p = p0;
@@ -259,8 +259,8 @@ void cube_left(int s, person* p, cube_map** pcm) {
       facing f = (*pcm)->sides[facing::left].f;
       person p0 = wrap(p, pcm, cm, f);
 
-      char fs[] = {'>', 'v', '<', '^'};
-      printf("wrap left p0[%d, %d, %c]\n", p0.x, p0.y, fs[p0.f]);
+      // char fs[] = {'>', 'v', '<', '^'};
+      // printf("wrap left p0[%d, %d, %c]\n", p0.x, p0.y, fs[p0.f]);
 
       if (cube_get(&p0, cm) == '.') {
         *p = p0;
@@ -291,8 +291,8 @@ void cube_right(int s, person* p, cube_map** pcm) {
       facing f = (*pcm)->sides[facing::right].f;
       person p0 = wrap(p, pcm, cm, f);
 
-      char fs[] = {'>', 'v', '<', '^'};
-      printf("wrap right p0[%d, %d, %c]\n", p0.x, p0.y, fs[p0.f]);
+      // char fs[] = {'>', 'v', '<', '^'};
+      // printf("wrap right p0[%d, %d, %c]\n", p0.x, p0.y, fs[p0.f]);
 
       if (cube_get(&p0, cm) == '.') {
         *p = p0;
@@ -308,13 +308,23 @@ void cube_right(int s, person* p, cube_map** pcm) {
   }
 }
 
+facing wrap_facing(facing f, char lr) {
+  switch(f) {
+    case right: return lr == 'L' ? up : down;
+    case down:  return lr == 'L' ? right : left;
+    case left: return lr == 'L' ? down : up;
+    case up: return lr == 'L' ? left : right;
+  }
+  return f;
+}
+
 void travel_cube(person* p, cube_map** pcm, const route& r) {
-  char fs[] = {'>', 'v', '<', '^'};
+  // char fs[] = {'>', 'v', '<', '^'};
   if (r.is_step == false) {
-    printf("%c", fs[r.ins.f]);
-    p->f = r.ins.f;
+    // printf("%c", fs[r.ins.f]);
+    p->f = wrap_facing(p->f, r.lr);
   } else {
-    printf("%d\n", r.ins.steps);
+    // printf("%d\n", r.ins.steps);
     switch (p->f) {
     case up:
       cube_up(r.ins.steps, p, pcm);
@@ -525,8 +535,8 @@ std::pair<int64_t, int64_t> day22(line_view file) {
   }
 
   cube_map cubs[6];
-  cube_sample(cubs);
-  // cube_input(cubs);
+  // cube_sample(cubs);
+  cube_input(cubs);
 
   // facing f = right;
   // for(auto& r: routes) {
@@ -546,12 +556,12 @@ std::pair<int64_t, int64_t> day22(line_view file) {
     travel_cube(&pc, &cm, r);
   }
   int64_t n2 = (cm->y + pc.y + 1) * 1000 + 4 * (cm->x + pc.x + 1) + (int)pc.f;
-  char fs[] = {'>', 'v', '<', '^'};
-  printf("person is at x[%d %d] y[%d %d] facing[%c]\n", cm->x, pc.x, cm->y, pc.y, fs[pc.f]);
+  // char fs[] = {'>', 'v', '<', '^'};
+  // printf("person is at x[%d %d] y[%d %d] facing[%c]\n", cm->x, pc.x, cm->y, pc.y, fs[pc.f]);
 
-  for(auto&tm : tmaps) {
-    tm.print();
-  }
+  // for(auto&tm : tmaps) {
+  //   tm.print();
+  // }
 
   return {n1, n2};
 }