bool Playlist::playAdjacent(int8_t bump, bool chainingPlaylists) {
if( ! isFirst) {
int8_t next = playIndex + bump;
setPlayIndex(next);
if(chainingPlaylists && playIndex != next) { // we've wrapped
// advance playlists until find another list with chirps or we're back where we started
for(int i = 0; i < N_PLAYLISTS; i++) {
Playlist *p = Playlists::useAdjacentPlaylist(bump, false); // false to not store
if(p->nChirps) {
Playlists::useAdjacentPlaylist(0); // use this one & store it this time
p->setPlayIndex(bump > 0 ? 0 : -1); // -1 forces wrap to nChirps - 1
return p->play();
}
}
}
}
return play();
}
bool doCommand(char *command) {
// new commands always turn off immediate autoplay
immediateAutoplayStop();
int length = strlen(command);
if(length == 0) {
return true;
}
char commandChar = toupper(command[0]);
char *parameters = &command[1];
bool noParameters = length == 1;
char firstParameterChar = noParameters ? '\0' : toupper(*parameters);
Serial.println(command);
Playlist *playlist = Playlists::currentPlaylist();
switch(commandChar) {
case '+': // see also default at end of switch for making chirps without preceding with +
if( ! noParameters) {
return makeNewChirp(parameters);
}
break;
case ']':
case ')':
if(noParameters) {
Serial.println(F("next"));
playlist->playAdjacent(1, commandChar == ')'); // ] wraps, ) chains
}
break;
case '[':
case '(':
if(noParameters) {
Serial.println(F("back"));
playlist->playAdjacent(-1, commandChar == '('); // [ wraps, ( chains
}
break;
case ',':
if(noParameters) {
Serial.println(F("step"));
playlist->playSequenced();
}
break;
case '@': // select playlist by index number..
if(noParameters) {
playlist->setPlayIndex(0); // ..or reset play index to 0 in current playlist
}
else {
playlist = Playlists::usePlaylist(number(parameters, playlist->playlistIndex));
}
break;
case '}':
case '{':
if(noParameters) {
playlist = Playlists::useAdjacentPlaylist(commandChar == '}' ? 1 : -1);
}
break;
case '!': // play current or supplied code
if(noParameters) {
playlist->play();
}
else if(isAChirpCode(parameters)) {
playlist->playChirpCode(parameters);
}
else {
playlist->playIndexed(number(parameters, playlist->playIndex));
}
break;
case '?':
if(noParameters) {
Serial.println(F("lookup"));
return ! playerLink.fetchChirpContent(playlist);
}
break;
case '~': // clearing
Serial.println(F("clear"));
if(noParameters) {
playlist->clear(CLEAR_LIST);
}
else if(firstParameterChar == '#') {
playlist->clear(CLEAR_SCRIPT_URL);
}
else if(strcmp(parameters, "!") == 0) {
Playlists::clearAll();
}
else {
playlist->clear(number(parameters));
}
break;
case '.': // autoplay order & chirping interval
if( ! noParameters && strchr("FBRS", firstParameterChar)) {
playlist->setPlayOrder(firstParameterChar);
parameters++;
if(*parameters == '\0') {
return true;
}
}
playlist->setInterval(number(parameters, DEFAULT_INTERVAL));
break;
case ':': // sound
if( ! noParameters && strchr("PNM", firstParameterChar)) {
if(firstParameterChar == 'M') {
muted = ! muted;
Serial.print(F("muting "));
Serial.println(muted ? F("on") : F("off"));
}
else {
playlist->setPortamento(firstParameterChar == 'P');
}
parameters++;
if(*parameters == '\0') {
return true;
}
}
playlist->setVolume(number(parameters, DEFAULT_VOLUME)); // noParam form will set volume to default
break;
case '*': // autoplay
if(noParameters) {
Serial.println(F("autoplay now"));
immediateAutoplayStart();
return false; // don't show prompt
}
else {
doAutoplaySettingsCommand(playlist, parameters);
}
break;
case '|':
Serial.println(F("limit"));
playlist->setAutoplayChirpLimit(number(parameters, PLAYLIST_CAPACITY));
break;
case '^': // times
Serial.println(F("time"));
if(noParameters) {
return ! playerLink.fetchTimeNow();
}
else if(firstParameterChar == '-') {
adjustTimeSeconds(-number(¶meters[1]));
}
else if(firstParameterChar == '+') {
adjustTimeSeconds(number(¶meters[1]));
}
if(stringToSeconds(parameters)) {
setTimeUTC(parameters);
}
break;
case '#': // scripts
if(noParameters) {
if( ! playlist->requestUpdate()) {
Serial.println(F("no script"));
}
}
else {
if(length == 2) {
if(firstParameterChar == '?') { // #? to print current playlist in script format
playlist->printAsScript();
}
else {
playlist->setUpdateFlags(number(parameters));
}
}
else {
playlist->setScriptAddress(parameters);
}
}
break;
case '/': // run named script, or update all playlists with scripts
Serial.println(F("run"));
if(noParameters) {
Playlists::updateAll(false); // false => not conditional on playlist flags
}
else {
return ! playerLink.fetchScript(-1, parameters); // -1 signals is general script, not one for a particular playlist
}
break;
case '=': // invoke trigger from the command line
Trigger::trigger(parameters);
break;
case '-':
inactivityTrigger.setWaitSeconds(number(parameters));
break;
case '%': // comment line; ignore
break;
default:
if(isAChirpCode(command)) {
playlist->add(command);
}
else {
Serial.println(F("uh?"));
}
break;
}
return true;
}