Chris Taylor
Platform game written for the GHI/OutrageousCircuits RETRO game device. Navigate the caves collecting all the pickups and avoiding the creatures and haunted mine carts that patrol the caves. Oh and remember to watch out for the poisonous plants... This game demonstrates the ability to have multiple animated sprites where the sprites can overlap the background environment. See how the player moves past the fence and climbs the wall in the 3rd screen.
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SoundChannel.h
00001 #ifndef __SOUNDCHANNEL_H__ 00002 #define __SOUNDCHANNEL_H__ 00003 class SoundChannel 00004 { 00005 public: 00006 SoundChannel(); 00007 00008 protected: 00009 void play(const SoundBlock soundBlocks[], int count); 00010 bool update(bool &pinState); 00011 00012 private: 00013 void updateTone(); 00014 void updateNoise(); 00015 00016 void startSoundBlock(); 00017 bool updateCounters(); 00018 void updateAudioCounters(); 00019 00020 static uint16_t lfsr_rand(); 00021 00022 private: 00023 int _state; 00024 uint16_t _stepCounter; 00025 uint16_t _stepDurationCounter; 00026 fix16_t _basePitchHighCount; 00027 fix16_t _basePitchLowCount; 00028 fix16_t _pitchHighCounter; 00029 fix16_t _pitchLowCounter; 00030 fix16_t _pitchOffset; 00031 fix16_t _dutyOffset; 00032 00033 const SoundBlock *_soundBlocks; 00034 int _count; 00035 int _index; 00036 bool _pinState; 00037 00038 SoundBlock _currentSoundBlock; 00039 00040 friend class OneBitSound; 00041 }; 00042 #endif //__SOUNDCHANNEL_H__
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