add $rand command

2022-07-11 11:04:26 -07:00
parent abe64af17b
commit 0a115427a1
17 changed files with 159 additions and 80 deletions
@@ -14,11 +14,11 @@ RareItemSet::RareItemSet(const char* filename, uint8_t episode,
  preadx(fd, this, sizeof(*this), offset);
 }

-bool sample_rare_item(uint8_t pc) {
+bool sample_rare_item(mt19937& random, uint8_t pc) {
  int8_t shift = ((pc >> 3) & 0x1F) - 4;
  if (shift < 0) {
    shift = 0;
  }
  uint32_t rate = ((2 << shift) * ((pc & 7) + 7));
-  return (random_object<uint32_t>() < rate);
+  return (random() < rate);
 }