song.hpp

00001 #ifndef __included_song_hpp
00002 #define __included_song_hpp
00003 
00004 #include <DirHandle.h>
00005 
00006 #include "billybass.hpp"
00007 #include "config.hpp"
00008 #include "action.hpp"
00009 
00010 class Song
00011 {
00012 public:
00013     typedef Action actions_t[ MAX_ACTIONS_PER_SONG ];
00014 
00015     // _name is relative to BASS_DIRECTORY
00016     // return a pointer to a fully read-in Song if valid
00017     static Song *newSong(char const *_name);
00018 
00019 
00020     void reset() {
00021         sequenceNumber = 0;
00022         whichFish = NO_FISH;
00023         basename = 0;
00024         extension = 0;
00025         numActions = 0;
00026     }
00027 
00028     BillyBass * myFish() {
00029         return BillyBass::bassNumber(whichFish);
00030     }
00031     bool isValid() const {
00032         return basename != 0 && whichFish != NO_FISH;
00033     }
00034     bool parseFilename(char const *_name);
00035     bool readActions();
00036 
00037     unsigned getSequenceNumber() const {
00038         return sequenceNumber;
00039     }
00040     unsigned getWhichFish() const {
00041         return whichFish;
00042     }
00043     char const *getSampleFileName() {
00044         if (!extension) return 0;
00045         strcpy(extension, sampleExtension);
00046         return fullname;
00047     }
00048     char const *getTextFileName() {
00049         if (!extension) return 0;
00050         strcpy(extension, textExtension);
00051         return fullname;
00052     }
00053     Action *getActions() {
00054         return actions;
00055     }
00056     bool addAction(float _time, int _state, DigitalOut* _out, char _code);
00057     
00058     unsigned getNumActions() const {
00059         return numActions;
00060     }
00061 
00062     void print(FILE *f) {
00063         fprintf(f, "%s fish=%u seq=%u\r\n", getSampleFileName(), whichFish, sequenceNumber);
00064         Action *lastAction = actions + numActions;
00065         for (Action *action = actions; action < lastAction; action++) {
00066             fprintf(f, "%0.02f %s %d\r\n", action->actionTime, myFish()->outputName(action->output), action->desiredState);
00067         }
00068     }
00069 
00070 protected:
00071     Song() {
00072         reset();
00073     }
00074     ~Song() {}
00075 
00076     static char const directoryName[ BASS_DIRECTORY_LENGTH + 1 ];
00077     static unsigned const NO_FISH;
00078     static char const *textExtension;
00079     static char const *sampleExtension;
00080     static Song theSong;
00081 
00082     unsigned sequenceNumber;    // 0-relative
00083     unsigned whichFish;         // 0-relative
00084     char fullname[ MAX_PATH_LEN ];  // with directory name
00085     char *basename;     // points into fullname
00086     char *extension;    // points into fullname
00087     actions_t actions;
00088     unsigned numActions;
00089 };
00090 
00091 #endif                                 // __included_song_hpp