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godot/drivers/chibi/cp_player_data.h
Juan Linietsky 0b806ee0fc GODOT IS OPEN SOURCE
2014-02-09 22:10:30 -03:00

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/*************************************************************************/
/* cp_player_data.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2014 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 CP_PLAYER_DATA_H
#define CP_PLAYER_DATA_H
#include "cp_config.h"
#include "cp_song.h"
#include "cp_mixer.h"
#include "cp_tables.h"
/**CPPlayer Data
*@author Juan Linietsky
*/
/******************************
player_data.h
------------------------
The player and its data.
I hope you dont get sick reading this
********************************/
//Default pan values
class CPPlayer {
enum {
PAN_SURROUND=512,
PAN_RIGHT=255,
PAN_LEFT=0,
PAN_CENTER=128
};
CPSong *song;
CPMixer *mixer;
struct Filter_Control {
int32_t it_reso;
int32_t it_cutoff;
int32_t envelope_cutoff;
int32_t final_cutoff;
void process();
void set_filter_parameters(int *p_cutoff,uint8_t *p_reso);
};
//tells you if a channel is doing
//noteoff/notekill/notefade/etc
enum {
END_NOTE_NOTHING=0,
END_NOTE_OFF=1,
END_NOTE_FADE=2,
END_NOTE_KILL=4
};
//Tells you what should a channel restart
enum {
KICK_NOTHING,
KICK_NOTE,
KICK_NOTEOFF,
KICK_ENVELOPE
};
enum {
MAX_VOICES=256
};
struct Channel_Control;
struct Voice_Control {
struct Envelope_Control {
int pos_index;
int status;
int value;
bool sustain_looping;
bool looping;
bool terminated;
bool active;
bool kill;
};
Filter_Control filter;
uint16_t reverb_send;
uint16_t chorus_send;
CPInstrument* instrument_ptr;
CPSample* sample_ptr;
// Sample_Data *sample_data;
int32_t period;
int32_t sample_start_index; /* The starting byte index in the sample */
bool has_master_channel;
int master_channel_index;
int instruement_index;
int instrument_index;
int sample_index;
int8_t NNA_type;
int note_end_flags;
uint8_t sample; /* which instrument number */
int16_t output_volume; /* output volume (vol + sampcol + instvol) */
int8_t channel_volume; /* channel's "global" volume */
uint16_t fadeout_volume; /* fading volume rate */
int32_t total_volume; /* total volume of channel (before global mixings) */
uint8_t kick; /* if true = sample has to be restarted */
uint8_t note; /* the audible note (as heard, direct rep of period) */
int16_t panning; /* panning position */
uint8_t nna; /* New note action type + master/slave flags */
uint8_t volflg; /* volume envelope settings */
uint8_t panflg; /* panning envelope settings */
uint8_t pitflg; /* pitch envelope settings */
uint8_t keyoff; /* if true = fade out and stuff */
int16_t handle; /* which sample-handle */
int32_t start; /* The start byte index in the sample */
/* Below here is info NOT in MP_CONTROL!! */
//ENVPR venv;
//ENVPR penv;
//ENVPR cenv;
Envelope_Control volume_envelope_ctrl;
Envelope_Control panning_envelope_ctrl;
Envelope_Control pitch_envelope_ctrl;
uint16_t auto_vibrato_pos; /* autovibrato pos */
uint16_t auto_vibrato_sweep_pos; /* autovibrato sweep pos */
int16_t masterchn;
uint16_t masterperiod;
Channel_Control* master_channel; /* index of "master" effects channel */
void start_envelope(CPEnvelope *p_envelope,Envelope_Control *p_envelope_ctrl,Envelope_Control *p_from_env);
bool process_envelope(CPEnvelope *p_envelope,Envelope_Control *p_envelope_ctrl);
uint16_t display_volume;
Voice_Control() {
reset();
}
void reset();
void update_info_from_master_channel();
};
struct Channel_Control {
/* NOTE info */
uint8_t note; /* the audible note as heard, direct rep of period */
uint8_t real_note; /* the note that indexes the audible */
int32_t sample_start_index; /* The starting byte index in the sample */
uint8_t old_note;
uint8_t kick;
Filter_Control filter;
uint16_t reverb_send;
uint16_t chorus_send;
int note_end_flags;
/* INSTRUMENT INFO */
CPInstrument* instrument_ptr;
CPSample* sample_ptr;
uint8_t instrument_index;
uint8_t sample_index;
bool new_instrument;
/* SAMPLE SPECIFIC INFO */
int32_t base_speed; /* what finetune to use */
/* INSTRUMENT SPECIFIC INFO */
int8_t NNA_type;
int8_t duplicate_check_type;
int8_t duplicate_check_action;
bool volume_envelope_on;
bool panning_envelope_on;
bool pitch_envelope_on;
bool has_own_period;
bool row_has_note;
/* VOLUME COLUMN */
int16_t volume; /* amiga volume (0 t/m 64) to play the sample at */
int16_t aux_volume;
bool has_own_volume;
bool mute;
int16_t random_volume_variation; /* 0-100 - 100 has no effect */
/* VOLUME/PAN/PITCH MODIFIERS */
int8_t default_volume; // CHANNEL default volume (0-64)
int16_t channel_volume; // CHANNEL current volume //chanvol - current!
int16_t output_volume; /* output volume (vol + sampcol + instvol) //volume */
int16_t channel_global_volume;
uint16_t fadeout_volume; /* fading volume rate */
int32_t period; /* period to play the sample at */
/* PAN */
int16_t panning; /* panning position */
int16_t channel_panning;
int8_t sliding;
uint16_t aux_period; /* temporary period */
/* TIMING */
uint8_t note_delay; /* (used for note delay) */
/* Slave Voice Control */
Voice_Control *slave_voice; /* Audio Slave of current effects control channel */
struct Carry {
Voice_Control::Envelope_Control vol;
Voice_Control::Envelope_Control pan;
Voice_Control::Envelope_Control pitch;
bool maybe;
} carry;
uint8_t slave_voice_index; /* Audio Slave of current effects control channel */
uint8_t* row; /* row currently playing on this channel */
/* effect memory variables */
uint8_t current_command;
uint8_t current_parameter;
uint8_t current_volume_command;
uint8_t current_volume_parameter;
uint8_t volcol_volume_slide;
/* CPSample Offset */
int32_t lo_offset;
int32_t hi_offset;
/* Panbrello waveform */
uint8_t panbrello_type; /* current panbrello waveform */
uint8_t panbrello_position; /* current panbrello position */
int8_t panbrello_speed; /* "" speed */
uint8_t panbrello_depth; /* "" depth */
uint8_t panbrello_info;
/* Arpegio */
uint8_t arpegio_info;
/* CPPattern Loop */
int pattern_loop_position;
int8_t pattern_loop_count;
/* Vibrato */
bool doing_vibrato;
int8_t vibrato_position; /* current vibrato position */
uint8_t vibrato_speed; /* "" speed */
uint8_t vibrato_depth; /* "" depth */
uint8_t vibrato_type;
/* Tremor */
int8_t tremor_position;
uint8_t tremor_speed; /* s3m tremor ontime/offtime */
uint8_t tremor_depth;
uint8_t tremor_info;
/* Tremolo */
int8_t tremolo_position;
uint8_t tremolo_speed; /* s3m tremor ontime/offtime */
uint8_t tremolo_depth;
uint8_t tremolo_info;
uint8_t tremolo_type;
/* Retrig */
int8_t retrig_counter; /* retrig value (0 means don't retrig) */
uint8_t retrig_speed; /* last used retrig speed */
uint8_t retrig_volslide; /* last used retrig slide */
/* CPSample Offset */
int32_t sample_offset_hi; /* last used high order of sample offset */
uint16_t sample_offset; /* last used low order of sample-offset (effect 9) */
uint16_t sample_offset_fine; /* fine sample offset memory */
/* Portamento */
uint16_t slide_to_period; /* period to slide to (with effect 3 or 5) */
uint8_t portamento_speed;
/* Volume Slide */
uint8_t volume_slide_info;
/* Channel Volume Slide */
uint8_t channel_volume_slide_info;
/* Global Volume Slide */
uint8_t global_volume_slide_info;
/* Channel Pan Slide */
uint8_t channel_pan_slide_info;
/* Pitch Slide */
uint8_t pitch_slide_info;
/* Tempo Slide */
uint8_t tempo_slide_info;
/* S effects memory */
uint8_t current_S_effect;
uint8_t current_S_data;
/* Volume column memory */
uint8_t volume_column_effect_mem;
uint8_t volume_column_data_mem;
int64_t last_event_usecs;
bool reserved;
void reset();
Channel_Control() { channel_global_volume=255; last_event_usecs=-1; }
};
struct Control_Variables { // control variables (dynamic version) of initial variables
bool reached_end;
char play_mode;
bool filters;
int global_volume;
int speed;
int tempo;
int ticks_counter;
int pattern_delay_1;
int pattern_delay_2;
Channel_Control channel[CPPattern::WIDTH];
int max_voices;
int voices_used; /* reference value */
bool force_no_nna;
bool external_vibrato;
struct Position {
int current_order;
int current_pattern;
int current_row;
int force_next_order;
bool forbid_jump;
};
int32_t random_seed;
Position position;
Position previous_position;
};
Voice_Control voice[MAX_VOICES];
Control_Variables control;
/* VOICE SETUP */
void setup_voices();
/* MIXER SETUP */
void handle_tick();
void update_mixer();
/* NOTE / INSTRUMENT PROCESSING */
void process_new_note(int p_track,uint8_t p_note);
bool process_new_instrument(int p_track,uint8_t p_instrument);
bool process_note_and_instrument(int p_track,int p_note,int p_instrument);
/* EFFECT PROCESSING */
void do_effect_S(int p_track);
void do_panbrello(int p_track);
void do_global_volume_slide(int p_track);
void do_tremolo(int p_track);
void do_retrig(int p_track);
void do_pan_slide(int p_track);
void do_channel_volume_slide(int p_track);
void do_volume_slide(int p_track,int inf);
void do_pitch_slide_down(int p_track,uint8_t inf);
void do_pitch_slide_up(int p_track,uint8_t inf);
void do_tremor(int p_track);
void do_vibrato(int p_track,bool fine);
void do_pitch_slide_to_note(int p_track);
void run_effects(int p_track);
void run_volume_column_effects(int p_track);
void pre_process_effects();
void do_arpegio(int p_track);
uint64_t song_usecs;
/* NNA */
void process_NNAs();
/* MISC UTILS */
int find_empty_voice();
void process_volume_column(int p_track,uint8_t p_volume);
void process_note(int p_track,CPNote p_note);
/* CPTables */
static uint8_t auto_vibrato_table[128];
static uint8_t vibrato_table[32];
static int8_t panbrello_table[256];
static void callback_function(void *p_userdata);
public:
//Play modes
enum {
PLAY_NOTHING =0,
PLAY_PATTERN =1,
PLAY_SONG =2
};
int32_t get_frequency(int32_t period);
int32_t get_period(uint16_t note,int32_t p_c5freq);
int get_current_tempo() { return control.tempo; };
int get_current_speed() { return control.speed; };
int get_voices_used() { return control.voices_used;};
int get_voice_envelope_pos(int p_voice,CPEnvelope *p_envelope);
int get_voice_amount_limit() { return control.max_voices; };
void set_voice_amount_limit(int p_limit);
void set_reserved_voices(int p_amount);
int get_reserved_voices_amount();
bool is_voice_active(int p_voice);
int get_channel_voice(int p_channel);
const char* get_voice_sample_name(int p_voice);
const char* get_voice_instrument_name(int p_voice);
CPEnvelope* get_voice_envelope(int p_voice,CPInstrument::EnvelopeType p_env_type);
int get_voice_envelope_pos(int p_voice,CPInstrument::EnvelopeType p_env_type);
int get_voice_volume(int p_voice);
int get_voice_sample_index(int p_voice);
void set_virtual_channels(int p_amount);
int get_virtual_channels() { return control.max_voices; };
/* Play Info/Position */
bool is_playing() { return (control.play_mode>0); };
int get_play_mode() {return (control.play_mode);};
int get_current_order() { return control.position.current_order; };
int get_current_row() { return control.position.current_row; };
int get_current_pattern() { return control.position.current_pattern; };
void goto_next_order();
void goto_previous_order();
void process_tick();
CPMixer* get_mixer_ptr() {
return mixer;
}
void reset();
/* External player control - editor - */
void play_start_pattern(int p_pattern);
void play_start_song();
void play_start_song_from_order(int p_order);
void play_start_song_from_order_and_row(int p_order,int p_row);
void play_start(int p_pattern, int p_order, int p_row,bool p_lock=true);
void play_stop();
void play_note(int p_channel,CPNote note,bool p_reserve=false);
bool reached_end_of_song();
void set_force_no_nna(bool p_force);
void set_force_external_vibratos(bool p_force);
void set_filters_enabled(bool p_enable);
bool are_filters_enabled() { return control.filters; }
void set_channel_global_volume(int p_channel,int p_volume); //0-255
int get_channel_global_volume(int p_channel) const;
int64_t get_channel_last_note_time_usec(int p_channel) const;
CPSong *get_song() { return song; };
CPPlayer(CPMixer *p_mixer,CPSong *p_song);
~CPPlayer();
};
#endif
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