Output replays

racing.h

@@ -145,6 +145,52 @@ void LCR_replayInitPlaying(void)
   LCR_replay.currentFrame = 0;
 }
 
+char _LCR_hexDigit(int i)
+{
+  return i < 10 ? '0' + i : ('a' - 10 + i);
+}
+
+/**
+  Outputs current replay using provided character printing function. The string
+  will be zero terminated.
+*/
+void LCR_replayOutputStr(void (*printChar)(char))
+{
+  LCR_LOG1("outputting replay");
+
+  const char *s = LCR_currentMap.name;
+
+  while (*s)
+  {
+    printChar(*s);
+    s++;
+  }
+
+  printChar(';');
+
+  uint32_t hash = LCR_currentMap.hash;
+
+  for (int i = 0; i < 8; ++i)
+  {
+    printChar(_LCR_hexDigit(hash % 16));
+    hash /= 16;
+  }
+
+  for (int i = 0; i < LCR_replay.eventCount; ++i)
+  {
+    uint16_t e = LCR_replay.events[i];
+    printChar(' ');
+
+    for (int j = 0; j < 4; ++j)
+    {
+      printChar(_LCR_hexDigit(e % 16));
+      e /= 16;
+    }
+  }
+
+  printChar('\n');
+}
+
 /**
   During playing of a replay returns the next input and shifts to next frame.
 */