/*************************************************************************/ /* event_stream_chibi.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ /* */ /* Permission is hereby granted, free of charge, to any person obtaining */ /* a copy of this software and associated documentation files (the */ /* "Software"), to deal in the Software without restriction, including */ /* without limitation the rights to use, copy, modify, merge, publish, */ /* distribute, sublicense, and/or sell copies of the Software, and to */ /* permit persons to whom the Software is furnished to do so, subject to */ /* the following conditions: */ /* */ /* The above copyright notice and this permission notice shall be */ /* included in all copies or substantial portions of the Software. */ /* */ /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */ /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */ /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/ /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */ /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */ /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */ /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /*************************************************************************/ #ifndef EVENT_STREAM_CHIBI_H #define EVENT_STREAM_CHIBI_H #include "scene/resources/event_stream.h" #include "cp_sample_manager.h" #include "cp_mixer.h" #include "cp_song.h" #include "cp_file_access_wrapper.h" #include "cp_player_data.h" #include "resource.h" #include "servers/audio_server.h" #include "os/file_access.h" #include "io/resource_loader.h" /** SAMPLE MANAGER **/ class CPSampleManagerImpl : public CPSampleManager { struct SampleData { RID rid; bool stereo; bool is16; int len; int mixfreq; int loop_begin; int loop_end; int locks; DVector lock; DVector::Write w; CPSample_Loop_Type loop_type; }; _FORCE_INLINE_ SampleData* _getsd(CPSample_ID p_id) { return ((SampleData*)p_id._private); } Set valid; public: _FORCE_INLINE_ RID get_rid(CPSample_ID p_id) { return _getsd(p_id)->rid; } virtual CPSample_ID create(bool p_16bits,bool p_stereo,int32_t p_len); virtual void recreate(CPSample_ID p_id,bool p_16bits,bool p_stereo,int32_t p_len); virtual void destroy(CPSample_ID p_id); virtual bool check(CPSample_ID p_id); // return false if invalid virtual void set_c5_freq(CPSample_ID p_id,int32_t p_freq); virtual void set_loop_begin(CPSample_ID p_id,int32_t p_begin); virtual void set_loop_end(CPSample_ID p_id,int32_t p_end); virtual void set_loop_type(CPSample_ID p_id,CPSample_Loop_Type p_type); virtual void set_chunk(CPSample_ID p_id,int32_t p_index,void *p_data,int p_data_len); virtual int32_t get_loop_begin(CPSample_ID p_id); virtual int32_t get_loop_end(CPSample_ID p_id); virtual CPSample_Loop_Type get_loop_type(CPSample_ID p_id); virtual int32_t get_c5_freq(CPSample_ID p_id); virtual int32_t get_size(CPSample_ID p_id); virtual bool is_16bits(CPSample_ID p_id); virtual bool is_stereo(CPSample_ID p_id); virtual bool lock_data(CPSample_ID p_id); virtual void *get_data(CPSample_ID p_id); /* WARNING: Not all sample managers may be able to implement this, it depends on the mixer in use! */ virtual int16_t get_data(CPSample_ID p_id, int p_sample, int p_channel=0); /// Does not need locking virtual void set_data(CPSample_ID p_id, int p_sample, int16_t p_data,int p_channel=0); /// Does not need locking virtual void unlock_data(CPSample_ID p_id); virtual void get_chunk(CPSample_ID p_id,int32_t p_index,void *p_data,int p_data_len); }; /** MIXER **/ class CPMixerImpl : public CPMixer { enum { MAX_VOICES=64 }; struct Voice { AudioMixer::ChannelID channel; CPSample_ID sample; float freq_mult; float reverb; Voice() { reverb=0.0; } }; Voice voices[MAX_VOICES]; int callback_interval; int callback_timeout; void (*callback)(void*); void *userdata; float voice_scale; float tempo_scale; float pitch_scale; AudioMixer::ReverbRoomType reverb_type; AudioMixer *mixer; public: void process_usecs(int p_usec,float p_volume,float p_pitch_scale,float p_tempo_scale); /* Callback */ virtual void set_callback_interval(int p_interval_us); //in usecs, for tracker it's 2500000/tempo virtual void set_callback(void (*p_callback)(void*),void *p_userdata); /* Voice Control */ virtual void setup_voice(int p_voice_index,CPSample_ID p_sample_id,int32_t p_start_index) ; virtual void stop_voice(int p_voice_index) ; virtual void set_voice_frequency(int p_voice_index,int32_t p_freq) ; //in freq*FREQUENCY_BITS virtual void set_voice_panning(int p_voice_index,int p_pan) ; virtual void set_voice_volume(int p_voice_index,int p_vol) ; virtual void set_voice_filter(int p_filter,bool p_enabled,uint8_t p_cutoff, uint8_t p_resonance ); virtual void set_voice_reverb_send(int p_voice_index,int p_reverb); virtual void set_voice_chorus_send(int p_voice_index,int p_chorus); /* 0 - 255 */ virtual void set_reverb_mode(ReverbMode p_mode); virtual void set_chorus_params(unsigned int p_delay_ms,unsigned int p_separation_ms,unsigned int p_depth_ms10,unsigned int p_speed_hz10); /* Info retrieving */ virtual int32_t get_voice_sample_pos_index(int p_voice_index) ; virtual int get_voice_panning(int p_voice_index) ; virtual int get_voice_volume(int p_voice_index) ; virtual CPSample_ID get_voice_sample_id(int p_voice_index) ; virtual bool is_voice_active(int p_voice_index); virtual int get_active_voice_count() { return 0; } virtual int get_total_voice_count() { return MAX_VOICES; } virtual uint32_t get_mix_frequency() { return 0; } /* Methods below only work with software mixers, meant for software-based sound drivers, hardware mixers ignore them */ virtual int32_t process(int32_t p_frames) { return 0; } virtual int32_t *get_mixdown_buffer_ptr() { return NULL; } virtual void set_mix_frequency(int32_t p_mix_frequency) {}; CPMixerImpl(AudioMixer *p_mixer=NULL); virtual ~CPMixerImpl() {} }; /** FILE ACCESS **/ class CPFileAccessWrapperImpl : public CPFileAccessWrapper { FileAccess *f; public: virtual Error open(const char *p_filename, int p_mode_flags); virtual void close(); virtual void seek(uint32_t p_position); virtual void seek_end(); virtual uint32_t get_pos(); virtual bool eof_reached(); virtual uint8_t get_byte(); virtual void get_byte_array(uint8_t *p_dest,int p_elements); virtual void get_word_array(uint16_t *p_dest,int p_elements); virtual uint16_t get_word(); virtual uint32_t get_dword(); virtual void set_endian_conversion(bool p_swap); virtual bool is_open(); virtual Error get_error(); virtual void store_byte(uint8_t p_dest); virtual void store_byte_array(const uint8_t *p_dest,int p_elements); virtual void store_word(uint16_t p_dest); virtual void store_dword(uint32_t p_dest); CPFileAccessWrapperImpl() { f=NULL; } virtual ~CPFileAccessWrapperImpl(){ if (f) memdelete(f); } }; ///////////////////// class EventStreamChibi; class EventStreamPlaybackChibi : public EventStreamPlayback { GDCLASS(EventStreamPlaybackChibi,EventStreamPlayback); CPMixerImpl mixer; uint64_t total_usec; Ref stream; mutable CPPlayer *player; bool loop; int last_order; int loops; virtual Error _play(); virtual bool _update(AudioMixer* p_mixer, uint64_t p_usec); virtual void _stop(); float volume; float tempo_scale; float pitch_scale; public: virtual void set_paused(bool p_paused); virtual bool is_paused() const; virtual void set_loop(bool p_loop); virtual bool is_loop_enabled() const; virtual int get_loop_count() const; virtual float get_pos() const; virtual void seek_pos(float p_time); virtual void set_volume(float p_vol); virtual float get_volume() const; virtual void set_pitch_scale(float p_pitch_scale); virtual float get_pitch_scale() const; virtual void set_tempo_scale(float p_tempo_scale); virtual float get_tempo_scale() const; virtual void set_channel_volume(int p_channel,float p_volume); virtual float get_channel_volume(int p_channel) const; virtual float get_last_note_time(int p_channel) const; EventStreamPlaybackChibi(Ref p_stream=Ref()); ~EventStreamPlaybackChibi(); }; class EventStreamChibi : public EventStream { GDCLASS(EventStreamChibi,EventStream); friend class ResourceFormatLoaderChibi; friend class EventStreamPlaybackChibi; //I think i didn't know what const was when i wrote this more than a decade ago //so it goes mutable :( mutable CPSong song; public: virtual Ref instance_playback(); virtual String get_stream_name() const; virtual float get_length() const; virtual int get_channel_count() const { return 64; } //tracker limit EventStreamChibi(); }; class ResourceFormatLoaderChibi : public ResourceFormatLoader { public: virtual RES load(const String &p_path,const String& p_original_path="",Error *r_error=NULL); virtual void get_recognized_extensions(List *p_extensions) const; virtual bool handles_type(const String& p_type) const; virtual String get_resource_type(const String &p_path) const; }; void initialize_chibi(); void finalize_chibi(); #endif // EVENT_STREAM_CHIBI_H