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Diffstat (limited to 'modules/chibi/cp_player_data_events.cpp')
-rw-r--r--modules/chibi/cp_player_data_events.cpp679
1 files changed, 679 insertions, 0 deletions
diff --git a/modules/chibi/cp_player_data_events.cpp b/modules/chibi/cp_player_data_events.cpp
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+++ b/modules/chibi/cp_player_data_events.cpp
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+/*************************************************************************/
+/* cp_player_data_events.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* http://www.godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2016 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. */
+/*************************************************************************/
+
+#include "cp_player_data.h"
+#include "cp_sample_manager.h"
+#include "stdio.h"
+/*
+ setup_voices():
+
+This will go throught all the REAL channels, if it finds a channel
+that needs to be restarted or assigned a new VIRTUAL channel, then it
+will just find one and do it.
+
+*/
+
+
+#define C5FREQ 261.6255653006
+static const int32_t C5FREQ_MIXER = ((int32_t)(C5FREQ*(float)(1<<CPMixer::FREQUENCY_BITS)));
+
+
+void CPPlayer::setup_voices() {
+
+ int i,voice_index;
+
+
+
+
+ for (i=0;i<CPPattern::WIDTH;i++) {
+
+ voice_index=-1;
+
+ if (control.channel[i].note_delay) continue;
+
+
+ // check if we need a new empty voice
+ if (control.channel[i].kick==KICK_NOTE) {
+
+ /* if no channel was cut above, find an empty or quiet channel
+ here */
+ if ( song->has_instruments() && !control.force_no_nna) {
+
+ if (control.channel[i].slave_voice==NULL) { // no slave??
+
+ int newchn;
+ if ((newchn=find_empty_voice())!=-1) {
+
+ control.channel[i].slave_voice_index=newchn;
+ control.channel[i].slave_voice=&voice[newchn];
+ }
+ }
+
+ } else {
+ if (i<control.max_voices) {
+
+ control.channel[i].slave_voice_index=i;
+ control.channel[i].slave_voice=&voice[i];
+ } else {
+ //This is a _DIRTY_ hack, but i cant think a better way.
+ control.channel[i].slave_voice_index=control.max_voices-1;
+ control.channel[i].slave_voice=&voice[control.max_voices-1];
+ }
+
+ }
+
+
+ /* assign parts of MP_VOICE only done for a KICK_NOTE */
+ if ( ( control.channel[i].slave_voice!=NULL ) ) {
+
+ voice_index=control.channel[i].slave_voice_index;
+ Voice_Control &v=voice[voice_index];
+
+ if (v.has_master_channel && (v.master_channel!=NULL) ) {
+ // If this voice already has a master channel, make sure to remove the reference to it.
+ v.master_channel->slave_voice=NULL;
+
+ }
+ //notify the voice that the current channel is the master
+ v.master_channel=&control.channel[i];
+ //set the voice as slave of the current channel
+ control.channel[i].slave_voice=&v;
+ //master channel index of the voice
+ v.master_channel_index=i;
+ v.has_master_channel=true;
+ }
+
+ } else {
+ // nope..
+ // so if we DO have a slave voice then use it.
+ if ( control.channel[i].slave_voice!=NULL ) {
+
+ voice_index=control.channel[i].slave_voice_index;
+ }
+ }
+ //assuming this channel has a slave voice..
+ if (voice_index>=0) {
+
+ // IMPROVE: Code a method for this:
+ voice[voice_index].update_info_from_master_channel();
+ }
+
+ control.channel[i].kick=KICK_NOTHING;
+ }
+}
+void CPPlayer::Voice_Control::reset() {
+
+ cp_memzero(this,sizeof(*this));
+
+ instrument_ptr=NULL;
+ sample_ptr=NULL;
+ has_master_channel=false;
+ instrument_index=-1;
+ reverb_send=0;
+ chorus_send=0;
+ filter.it_cutoff=255;
+ filter.it_reso=0;
+ display_volume=0;
+
+
+}
+
+void CPPlayer::Channel_Control::reset() {
+
+ int prev_gv =channel_global_volume;
+ cp_memzero(this,sizeof(*this));
+
+ slave_voice=NULL;
+ slave_voice_index=255;
+
+ mute=false;
+ old_note=255;
+ real_note=255;
+ instrument_index=255;
+ filter.it_cutoff=255;
+ filter.it_reso=0;
+ reverb_send=0;
+ chorus_send=0;
+ reserved=false;
+ carry.maybe=false;
+ last_event_usecs=-1;
+ channel_global_volume=prev_gv;
+}
+
+void CPPlayer::Voice_Control::update_info_from_master_channel() {
+
+ instrument_ptr=master_channel->instrument_ptr;
+ sample_ptr=master_channel->sample_ptr;
+
+ instrument_index=master_channel->instrument_index;
+ sample_index=master_channel->sample_index;
+
+ note=master_channel->note;
+ output_volume=master_channel->output_volume;
+
+ channel_volume=master_channel->channel_volume;
+
+ panning=master_channel->panning;
+
+ kick=master_channel->kick;
+ note_end_flags=master_channel->note_end_flags;
+ period=master_channel->period;
+
+ volume_envelope_ctrl.active=master_channel->volume_envelope_on;
+ panning_envelope_ctrl.active=master_channel->panning_envelope_on;
+ pitch_envelope_ctrl.active=master_channel->pitch_envelope_on;
+
+
+ NNA_type=master_channel->NNA_type;
+ reverb_send=master_channel->reverb_send;
+ chorus_send=master_channel->chorus_send;
+
+// last_note_type=master_channel->last_note_type;
+
+ sample_start_index=master_channel->sample_start_index;
+ filter=master_channel->filter;
+
+}
+
+
+void CPPlayer::update_mixer() {
+
+ int tmp_mixer_period;
+ int32_t tmp_vibrato_value,tmp_vibrato_depth,tmp_volenv_value;
+ uint64_t tmpvol; // 64bits should be the only way to avoid getting notes raped out
+ int i;
+
+
+ control.voices_used=0;
+
+ for (i=0;i<control.max_voices;i++) {
+
+
+ int filter_env=-1;
+ Voice_Control &v=voice[i];
+
+ if ( !((v.kick==KICK_NOTE)||(v.kick==KICK_NOTEOFF)) && !is_voice_active(i))
+ continue;
+
+ //if voice doesnt have a sample set or size is 0.. forget it
+ if ( v.sample_ptr==NULL) continue;
+
+
+ //TODO set limits somewhere else
+
+ if (v.period<40) {
+
+ v.period=40;
+
+ } else if (v.period>50000) {
+
+ v.period=50000;
+ }
+
+
+ if ((v.kick==KICK_NOTE)||(v.kick==KICK_NOTEOFF)) {
+
+ int real_start_index;
+
+ if (v.sample_start_index==-1) {
+
+ real_start_index=0;
+
+ } else {
+
+ real_start_index=v.sample_start_index;
+ }
+
+ mixer->setup_voice(i,v.sample_ptr->get_sample_data(),real_start_index);
+ v.fadeout_volume=1024; //IT Docs it is 1024 internally
+ v.auto_vibrato_sweep_pos=0;
+
+
+
+ }
+
+
+ /* Start Envelopes */
+ if ( song->has_instruments() && ((v.kick==KICK_NOTE)||(v.kick==KICK_ENVELOPE))) {
+
+// Voice_Control *carry=0;
+
+
+ if (v.has_master_channel && v.master_channel->carry.maybe) {
+
+ v.start_envelope(v.instrument_ptr->get_volume_envelope(),&v.volume_envelope_ctrl,&v.master_channel->carry.vol);
+ v.start_envelope(v.instrument_ptr->get_pan_envelope(),&v.panning_envelope_ctrl,&v.master_channel->carry.pan);
+ v.start_envelope(v.instrument_ptr->get_pitch_filter_envelope(),&v.pitch_envelope_ctrl,&v.master_channel->carry.pitch);
+
+ } else {
+
+ v.start_envelope(v.instrument_ptr->get_volume_envelope(),&v.volume_envelope_ctrl,NULL);
+ v.start_envelope(v.instrument_ptr->get_pan_envelope(),&v.panning_envelope_ctrl,NULL);
+ v.start_envelope(v.instrument_ptr->get_pitch_filter_envelope(),&v.pitch_envelope_ctrl,NULL);
+
+ }
+
+
+ }
+
+ v.kick=KICK_NOTHING;
+
+ if (song->has_instruments()) {
+
+ if (!v.process_envelope(v.instrument_ptr->get_volume_envelope(),&v.volume_envelope_ctrl))
+ v.volume_envelope_ctrl.value=64;
+
+ if (!v.process_envelope(v.instrument_ptr->get_pan_envelope(),&v.panning_envelope_ctrl))
+ v.panning_envelope_ctrl.value=0;
+
+ if (!v.process_envelope(v.instrument_ptr->get_pitch_filter_envelope(),&v.pitch_envelope_ctrl))
+ v.pitch_envelope_ctrl.value=0;
+
+
+ if (v.volume_envelope_ctrl.terminated) {
+
+ if (v.volume_envelope_ctrl.kill) {
+
+ v.fadeout_volume=0;
+ } else {
+
+ v.note_end_flags|=END_NOTE_FADE;
+ }
+ }
+
+ }
+
+ if (song->has_instruments()) {
+
+ tmp_volenv_value=v.volume_envelope_ctrl.value;
+ } else {
+
+ tmp_volenv_value=64;
+
+ }
+
+ /*printf("fadeout %i\n",(int)v.fadeout_volume);
+ printf("channel %i\n",(int)v.channel_volume);
+ printf("output %i\n",(int)v.output_volume);
+ printf("env %i\n",(int)tmp_volenv_value);
+ printf("cgb %i\n",(int)v.master_channel->channel_global_volume);
+*/
+
+
+ tmpvol=(uint64_t)v.fadeout_volume; /* max 1024 - 10 bits */
+ tmpvol*=(uint64_t)v.channel_volume; /* * max 64 - 6 bits */
+ tmpvol*=(uint64_t)v.output_volume; /* * max 256 - 8 bits */
+ tmpvol*=(uint64_t)tmp_volenv_value; /* max 64 - 6 bits*/
+ tmpvol*=(uint64_t)v.master_channel->channel_global_volume;
+ v.display_volume=tmpvol>>22; //volume used for display purposes , 0 -- 256
+
+ tmpvol*=(uint64_t)song->get_mixing_volume(); /* max 128 - 7 bits */
+ tmpvol*=(uint64_t)control.global_volume; /* max 128 - 7 bits*/
+ /* total 10+6+8+6+7+7=44 bits */
+
+ tmpvol>>=43; /* Move back to 8 bits range , 44-19+8=43*/
+
+ if (tmpvol>CP_VOL_MAX)
+ tmpvol=CP_VOL_MAX;
+
+ //printf("volume check - fade %i, channel %i, output %i, env %i, mix %i, global %i -- final %i\n",v.fadeout_volume, v.channel_volume,v.output_volume,tmp_volenv_value, song->get_mixing_volume(),control.global_volume,tmpvol);
+
+ v.total_volume=tmpvol;
+
+
+ if ((v.master_channel!=NULL) && song->is_channel_mute( v.master_channel_index ) && !v.master_channel->reserved) {
+
+ mixer->set_voice_volume(i,0);
+ } else {
+ mixer->set_voice_volume(i,tmpvol);
+ if (v.fadeout_volume>0) control.voices_used++;
+ }
+
+
+ if (!song->is_stereo()) {
+
+ mixer->set_voice_panning(i,PAN_CENTER);
+
+ } else if (v.panning==PAN_SURROUND) {
+
+ mixer->set_voice_panning(i,PAN_SURROUND);
+ } else if (song->has_instruments()) {
+
+ int newpan,real_modifier;
+
+
+ real_modifier=(v.panning_envelope_ctrl.value*(PAN_CENTER-cp_intabs(v.panning-PAN_CENTER)))/32;
+
+ newpan=v.panning+real_modifier;
+
+ newpan=(newpan<PAN_LEFT)?PAN_LEFT:(newpan>PAN_RIGHT)?PAN_RIGHT:newpan;
+ //printf("panenv val: %i, finalpan val %i\n",v.panning_envelope_ctrl.value,newpan);
+
+ mixer->set_voice_panning(i,newpan);
+ } else {
+ mixer->set_voice_panning(i,v.panning);
+ }
+
+
+
+ /* VIBRATO */
+
+ if ( (v.period>0) && (v.sample_ptr->get_vibrato_depth()>0) ) {
+
+ switch (v.sample_ptr->get_vibrato_type()) {
+ case CPSample::VIBRATO_SINE:
+ tmp_vibrato_value=auto_vibrato_table[v.auto_vibrato_pos&127];
+ if (v.auto_vibrato_pos & 0x80) tmp_vibrato_value=-tmp_vibrato_value;
+ break;
+ case CPSample::VIBRATO_SQUARE:
+ tmp_vibrato_value=64;
+ if (v.auto_vibrato_pos & 0x80) tmp_vibrato_value=-tmp_vibrato_value;
+ break;
+ case CPSample::VIBRATO_SAW:
+ tmp_vibrato_value=63-(((v.auto_vibrato_pos+128)&255)>>1);
+ break;
+ default:
+ tmp_vibrato_value=(((v.auto_vibrato_pos+128)&255)>>1)-64;
+ break;
+ }
+ } else {
+
+ tmp_vibrato_value=0;
+ }
+
+ if ((v.auto_vibrato_sweep_pos>>8)<v.sample_ptr->get_vibrato_depth()) {
+
+ v.auto_vibrato_sweep_pos+=v.sample_ptr->get_vibrato_speed(); //FIXME - speed? i think so
+ tmp_vibrato_depth=v.auto_vibrato_sweep_pos;
+
+ } else {
+
+ tmp_vibrato_depth=v.sample_ptr->get_vibrato_depth()<<8;
+ }
+
+ tmp_vibrato_value=(tmp_vibrato_value*tmp_vibrato_depth)>>16;
+ if (song->has_linear_slides())
+ tmp_vibrato_value>>=1;
+ v.period-=tmp_vibrato_value;
+
+
+ /* update vibrato position */
+ v.auto_vibrato_pos=(v.auto_vibrato_pos+v.sample_ptr->get_vibrato_rate())&0xff;
+
+
+ /* process pitch envelope */
+ tmp_mixer_period=v.period;
+
+ if (v.pitch_envelope_ctrl.active) {
+
+ long aux_pitch_diff;
+ int pe_value=v.pitch_envelope_ctrl.value;
+
+ if (!v.instrument_ptr->is_pitch_use_as_filter()) {
+
+
+ if (((uint16_t)v.note<<1)+pe_value<=0)
+ pe_value=-(v.note<<1);
+
+ int smp_c5=CPSampleManager::get_singleton()->get_c5_freq( v.sample_ptr->get_sample_data());
+
+ int base=get_period(((uint16_t)v.note<<1),smp_c5);
+ int env=get_period(((uint16_t)v.note<<1)+pe_value,smp_c5);
+ /*
+ int env_next=(pe_value<0)?get_period(((uint16_t)(v.note-1)<<1)+pe_value,smp_c5):get_period(((uint16_t)(v.note+1)<<1)+pe_value,smp_c5);
+
+ env=env+(abs(v.pitch_envelope_ctrl.value)&((1<<CPEnvelope::FX_HEIGHT_BITS)-1))*(env_next-env)/(1<<CPEnvelope::FX_HEIGHT_BITS);
+
+ printf("env %i\n",env);
+ */
+ aux_pitch_diff=env-base;
+
+
+ if ( ((int)tmp_mixer_period-aux_pitch_diff)<0 ) aux_pitch_diff=0;
+
+ tmp_mixer_period+=aux_pitch_diff;
+
+ } else {
+
+ filter_env=pe_value+32; //max 64
+// printf("pitch envelope at %i",filter_env);
+
+ }
+ }
+
+ if (v.fadeout_volume==0 || (v.note_end_flags & END_NOTE_KILL)) { /* check for a dead note (fadevol=0) */
+
+ mixer->stop_voice(i);
+
+ } else {
+
+
+ int32_t freq=get_frequency(tmp_mixer_period);
+ int32_t tracker_c5=get_frequency(get_period(60<<1,CPSampleManager::get_singleton()->get_c5_freq( v.sample_ptr->get_sample_data())));
+
+ freq=(int32_t)((uint64_t)freq*(uint64_t)C5FREQ_MIXER/(uint64_t)tracker_c5); //numbers may become very high
+ mixer->set_voice_frequency(i,freq);
+
+ /* if keyfade, start substracting fadeoutspeed from fadevol: */
+ if ((song->has_instruments())&&(v.note_end_flags & END_NOTE_FADE)) {
+
+ if (v.fadeout_volume>=(v.instrument_ptr->get_volume_fadeout())) {
+
+ v.fadeout_volume-=(v.instrument_ptr->get_volume_fadeout());
+ } else {
+
+ v.fadeout_volume=0;
+ }
+ }
+
+ /*FILTARSSSSSSSS*/
+
+
+
+ v.filter.envelope_cutoff=filter_env;
+ v.filter.process();
+
+ if ((v.filter.final_cutoff<0xFF) && (control.filters)) {
+
+ //int final_cutoff;
+ //uint8_t final_reso;
+
+ //v.filter.set_filter_parameters( &final_cutoff, &final_reso );
+
+ mixer->set_voice_filter(i,true,v.filter.final_cutoff,v.filter.it_reso);
+ } else {
+
+
+ mixer->set_voice_filter(i,false,0,0);
+ }
+
+ /* RAIVERV */
+
+ mixer->set_voice_reverb_send(i,v.reverb_send);
+
+ /* CHAURUZ */
+
+ mixer->set_voice_chorus_send(i,v.chorus_send);
+
+ }
+ }
+
+
+ switch(song->get_reverb_mode()) {
+
+ case CPSong::REVERB_MODE_ROOM: {
+
+ mixer->set_reverb_mode( CPMixer::REVERB_MODE_ROOM );
+ } break;
+ case CPSong::REVERB_MODE_STUDIO_SMALL: {
+
+ mixer->set_reverb_mode( CPMixer::REVERB_MODE_STUDIO_SMALL );
+
+ } break;
+ case CPSong::REVERB_MODE_STUDIO_MEDIUM: {
+
+ mixer->set_reverb_mode( CPMixer::REVERB_MODE_STUDIO_MEDIUM );
+
+ } break;
+ case CPSong::REVERB_MODE_STUDIO_LARGE: {
+
+ mixer->set_reverb_mode( CPMixer::REVERB_MODE_STUDIO_LARGE );
+
+ } break;
+ case CPSong::REVERB_MODE_HALL: {
+
+ mixer->set_reverb_mode( CPMixer::REVERB_MODE_HALL );
+
+ } break;
+ case CPSong::REVERB_MODE_SPACE_ECHO: {
+
+ mixer->set_reverb_mode( CPMixer::REVERB_MODE_SPACE_ECHO );
+
+ } break;
+ case CPSong::REVERB_MODE_ECHO: {
+
+ mixer->set_reverb_mode( CPMixer::REVERB_MODE_ECHO );
+
+ } break;
+ case CPSong::REVERB_MODE_DELAY: {
+
+ mixer->set_reverb_mode( CPMixer::REVERB_MODE_DELAY );
+
+ } break;
+ case CPSong::REVERB_MODE_HALF_ECHO: {
+
+ mixer->set_reverb_mode( CPMixer::REVERB_MODE_HALF_ECHO );
+
+ } break;
+
+ }
+
+ mixer->set_chorus_params(song->get_chorus_delay_ms(),song->get_chorus_separation_ms(),song->get_chorus_depth_ms10(),song->get_chorus_speed_hz10() );
+
+
+}
+
+
+
+
+
+
+
+
+void CPPlayer::handle_tick() {
+
+ int i;
+
+
+ if ( mixer==NULL ) return;
+ if ( song==NULL ) return;
+
+
+ /* update time counter (sngtime is in milliseconds (in fact 2^-10)) */
+
+ if (control.ticks_counter>=control.speed) { // time to process... ***THE ROW***!
+
+ /* process pattern-delay. pf->patdly2 is the counter and pf->patdly is
+ the command memory. */
+
+// if (control.pattern_delay_1) {
+
+// control.pattern_delay_2=control.pattern_delay_1;
+// control.pattern_delay_1=0;
+// }
+// if (control.pattern_delay_2) {
+// patterndelay active
+// if (--control.pattern_delay_2)
+// so turn back pf->patpos by 1
+// if (pf->patpos) pf->patpos--;
+// }
+
+ if (control.play_mode!=PLAY_NOTHING) {
+
+ control.ticks_counter=0;
+
+
+ if (control.position.force_next_order>=0) {
+
+ control.position.current_order=control.position.force_next_order;
+ }
+
+ control.position.force_next_order=-1;
+
+ control.previous_position=control.position; // for those special cases...
+ control.position.forbid_jump=false;
+
+ for (i=0;i<CPPattern::WIDTH;i++) {
+
+ process_note(i,song->get_pattern(control.position.current_pattern)->get_note(i,control.position.current_row));
+ }
+
+ control.position.current_row++;
+
+ if ( control.position.current_row>=song->get_pattern(control.position.current_pattern)->get_length() ) {
+
+ if (control.play_mode==PLAY_SONG) {
+
+ int next_order;
+
+ next_order=get_song_next_order_idx(song,control.position.current_order);
+
+ if (next_order!=-1) {
+ // Do we have a "next order?"
+ control.position.current_pattern=song->get_order(next_order);
+ if (next_order<=control.position.current_order)
+ control.reached_end=true;
+ control.position.current_order=next_order;
+
+ } else {
+ // no, probably the user deleted the orderlist.
+ control.play_mode=PLAY_NOTHING;
+ reset();
+ control.reached_end=true;
+ }
+ }
+ control.position.current_row=0;
+ }
+
+ }
+
+
+ }
+
+
+
+ pre_process_effects();
+ process_NNAs();
+ setup_voices();
+
+ /* now set up the actual hardware channel playback information */
+ update_mixer();
+
+ control.ticks_counter++;
+}