617 lines
18 KiB
C++
617 lines
18 KiB
C++
/*************************************************************************/
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/* cp_player_data_events.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2017 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "cp_player_data.h"
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#include "cp_sample_manager.h"
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#include "stdio.h"
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/*
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setup_voices():
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This will go throught all the REAL channels, if it finds a channel
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that needs to be restarted or assigned a new VIRTUAL channel, then it
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will just find one and do it.
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*/
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#define C5FREQ 261.6255653006
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static const int32_t C5FREQ_MIXER = ((int32_t)(C5FREQ * (float)(1 << CPMixer::FREQUENCY_BITS)));
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void CPPlayer::setup_voices() {
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int i, voice_index;
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for (i = 0; i < CPPattern::WIDTH; i++) {
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voice_index = -1;
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if (control.channel[i].note_delay) continue;
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// check if we need a new empty voice
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if (control.channel[i].kick == KICK_NOTE) {
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/* if no channel was cut above, find an empty or quiet channel
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here */
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if (song->has_instruments() && !control.force_no_nna) {
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if (control.channel[i].slave_voice == NULL) { // no slave??
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int newchn;
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if ((newchn = find_empty_voice()) != -1) {
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control.channel[i].slave_voice_index = newchn;
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control.channel[i].slave_voice = &voice[newchn];
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}
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}
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} else {
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if (i < control.max_voices) {
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control.channel[i].slave_voice_index = i;
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control.channel[i].slave_voice = &voice[i];
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} else {
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//This is a _DIRTY_ hack, but i cant think a better way.
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control.channel[i].slave_voice_index = control.max_voices - 1;
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control.channel[i].slave_voice = &voice[control.max_voices - 1];
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}
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}
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/* assign parts of MP_VOICE only done for a KICK_NOTE */
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if ((control.channel[i].slave_voice != NULL)) {
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voice_index = control.channel[i].slave_voice_index;
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Voice_Control &v = voice[voice_index];
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if (v.has_master_channel && (v.master_channel != NULL)) {
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// If this voice already has a master channel, make sure to remove the reference to it.
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v.master_channel->slave_voice = NULL;
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}
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//notify the voice that the current channel is the master
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v.master_channel = &control.channel[i];
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//set the voice as slave of the current channel
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control.channel[i].slave_voice = &v;
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//master channel index of the voice
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v.master_channel_index = i;
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v.has_master_channel = true;
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}
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} else {
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// nope..
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// so if we DO have a slave voice then use it.
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if (control.channel[i].slave_voice != NULL) {
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voice_index = control.channel[i].slave_voice_index;
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}
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}
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//assuming this channel has a slave voice..
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if (voice_index >= 0) {
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// IMPROVE: Code a method for this:
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voice[voice_index].update_info_from_master_channel();
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}
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control.channel[i].kick = KICK_NOTHING;
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}
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}
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void CPPlayer::Voice_Control::reset() {
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cp_memzero(this, sizeof(*this));
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instrument_ptr = NULL;
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sample_ptr = NULL;
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has_master_channel = false;
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instrument_index = -1;
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reverb_send = 0;
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chorus_send = 0;
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filter.it_cutoff = 255;
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filter.it_reso = 0;
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display_volume = 0;
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}
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void CPPlayer::Channel_Control::reset() {
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int prev_gv = channel_global_volume;
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cp_memzero(this, sizeof(*this));
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slave_voice = NULL;
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slave_voice_index = 255;
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mute = false;
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old_note = 255;
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real_note = 255;
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instrument_index = 255;
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filter.it_cutoff = 255;
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filter.it_reso = 0;
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reverb_send = 0;
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chorus_send = 0;
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reserved = false;
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carry.maybe = false;
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last_event_usecs = -1;
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channel_global_volume = prev_gv;
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}
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void CPPlayer::Voice_Control::update_info_from_master_channel() {
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instrument_ptr = master_channel->instrument_ptr;
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sample_ptr = master_channel->sample_ptr;
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instrument_index = master_channel->instrument_index;
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sample_index = master_channel->sample_index;
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note = master_channel->note;
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output_volume = master_channel->output_volume;
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channel_volume = master_channel->channel_volume;
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panning = master_channel->panning;
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kick = master_channel->kick;
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note_end_flags = master_channel->note_end_flags;
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period = master_channel->period;
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volume_envelope_ctrl.active = master_channel->volume_envelope_on;
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panning_envelope_ctrl.active = master_channel->panning_envelope_on;
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pitch_envelope_ctrl.active = master_channel->pitch_envelope_on;
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NNA_type = master_channel->NNA_type;
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reverb_send = master_channel->reverb_send;
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chorus_send = master_channel->chorus_send;
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// last_note_type=master_channel->last_note_type;
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sample_start_index = master_channel->sample_start_index;
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filter = master_channel->filter;
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}
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void CPPlayer::update_mixer() {
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int tmp_mixer_period;
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int32_t tmp_vibrato_value, tmp_vibrato_depth, tmp_volenv_value;
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uint64_t tmpvol; // 64bits should be the only way to avoid getting notes raped out
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int i;
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control.voices_used = 0;
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for (i = 0; i < control.max_voices; i++) {
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int filter_env = -1;
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Voice_Control &v = voice[i];
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if (!((v.kick == KICK_NOTE) || (v.kick == KICK_NOTEOFF)) && !is_voice_active(i))
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continue;
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//if voice doesnt have a sample set or size is 0.. forget it
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if (v.sample_ptr == NULL) continue;
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//TODO set limits somewhere else
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if (v.period < 40) {
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v.period = 40;
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} else if (v.period > 50000) {
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v.period = 50000;
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}
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if ((v.kick == KICK_NOTE) || (v.kick == KICK_NOTEOFF)) {
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int real_start_index;
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if (v.sample_start_index == -1) {
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real_start_index = 0;
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} else {
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real_start_index = v.sample_start_index;
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}
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mixer->setup_voice(i, v.sample_ptr->get_sample_data(), real_start_index);
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v.fadeout_volume = 1024; //IT Docs it is 1024 internally
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v.auto_vibrato_sweep_pos = 0;
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}
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/* Start Envelopes */
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if (song->has_instruments() && ((v.kick == KICK_NOTE) || (v.kick == KICK_ENVELOPE))) {
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// Voice_Control *carry=0;
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if (v.has_master_channel && v.master_channel->carry.maybe) {
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v.start_envelope(v.instrument_ptr->get_volume_envelope(), &v.volume_envelope_ctrl, &v.master_channel->carry.vol);
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v.start_envelope(v.instrument_ptr->get_pan_envelope(), &v.panning_envelope_ctrl, &v.master_channel->carry.pan);
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v.start_envelope(v.instrument_ptr->get_pitch_filter_envelope(), &v.pitch_envelope_ctrl, &v.master_channel->carry.pitch);
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} else {
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v.start_envelope(v.instrument_ptr->get_volume_envelope(), &v.volume_envelope_ctrl, NULL);
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v.start_envelope(v.instrument_ptr->get_pan_envelope(), &v.panning_envelope_ctrl, NULL);
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v.start_envelope(v.instrument_ptr->get_pitch_filter_envelope(), &v.pitch_envelope_ctrl, NULL);
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}
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}
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v.kick = KICK_NOTHING;
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if (song->has_instruments()) {
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if (!v.process_envelope(v.instrument_ptr->get_volume_envelope(), &v.volume_envelope_ctrl))
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v.volume_envelope_ctrl.value = 64;
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if (!v.process_envelope(v.instrument_ptr->get_pan_envelope(), &v.panning_envelope_ctrl))
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v.panning_envelope_ctrl.value = 0;
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if (!v.process_envelope(v.instrument_ptr->get_pitch_filter_envelope(), &v.pitch_envelope_ctrl))
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v.pitch_envelope_ctrl.value = 0;
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if (v.volume_envelope_ctrl.terminated) {
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if (v.volume_envelope_ctrl.kill) {
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v.fadeout_volume = 0;
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} else {
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v.note_end_flags |= END_NOTE_FADE;
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}
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}
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}
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if (song->has_instruments()) {
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tmp_volenv_value = v.volume_envelope_ctrl.value;
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} else {
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tmp_volenv_value = 64;
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}
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/*printf("fadeout %i\n",(int)v.fadeout_volume);
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printf("channel %i\n",(int)v.channel_volume);
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printf("output %i\n",(int)v.output_volume);
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printf("env %i\n",(int)tmp_volenv_value);
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printf("cgb %i\n",(int)v.master_channel->channel_global_volume);
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*/
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tmpvol = (uint64_t)v.fadeout_volume; /* max 1024 - 10 bits */
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tmpvol *= (uint64_t)v.channel_volume; /* * max 64 - 6 bits */
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tmpvol *= (uint64_t)v.output_volume; /* * max 256 - 8 bits */
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tmpvol *= (uint64_t)tmp_volenv_value; /* max 64 - 6 bits*/
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tmpvol *= (uint64_t)v.master_channel->channel_global_volume;
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v.display_volume = tmpvol >> 22; //volume used for display purposes , 0 -- 256
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tmpvol *= (uint64_t)song->get_mixing_volume(); /* max 128 - 7 bits */
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tmpvol *= (uint64_t)control.global_volume; /* max 128 - 7 bits*/
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/* total 10+6+8+6+7+7=44 bits */
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tmpvol >>= 43; /* Move back to 8 bits range , 44-19+8=43*/
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if (tmpvol > CP_VOL_MAX)
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tmpvol = CP_VOL_MAX;
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//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);
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v.total_volume = tmpvol;
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if ((v.master_channel != NULL) && song->is_channel_mute(v.master_channel_index) && !v.master_channel->reserved) {
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mixer->set_voice_volume(i, 0);
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} else {
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mixer->set_voice_volume(i, tmpvol);
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if (v.fadeout_volume > 0) control.voices_used++;
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}
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if (!song->is_stereo()) {
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mixer->set_voice_panning(i, PAN_CENTER);
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} else if (v.panning == PAN_SURROUND) {
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mixer->set_voice_panning(i, PAN_SURROUND);
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} else if (song->has_instruments()) {
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int newpan, real_modifier;
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real_modifier = (v.panning_envelope_ctrl.value * (PAN_CENTER - cp_intabs(v.panning - PAN_CENTER))) / 32;
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newpan = v.panning + real_modifier;
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newpan = (newpan < PAN_LEFT) ? PAN_LEFT : (newpan > PAN_RIGHT) ? PAN_RIGHT : newpan;
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//printf("panenv val: %i, finalpan val %i\n",v.panning_envelope_ctrl.value,newpan);
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mixer->set_voice_panning(i, newpan);
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} else {
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mixer->set_voice_panning(i, v.panning);
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}
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/* VIBRATO */
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if ((v.period > 0) && (v.sample_ptr->get_vibrato_depth() > 0)) {
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switch (v.sample_ptr->get_vibrato_type()) {
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case CPSample::VIBRATO_SINE:
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tmp_vibrato_value = auto_vibrato_table[v.auto_vibrato_pos & 127];
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if (v.auto_vibrato_pos & 0x80) tmp_vibrato_value = -tmp_vibrato_value;
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break;
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case CPSample::VIBRATO_SQUARE:
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tmp_vibrato_value = 64;
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if (v.auto_vibrato_pos & 0x80) tmp_vibrato_value = -tmp_vibrato_value;
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break;
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case CPSample::VIBRATO_SAW:
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tmp_vibrato_value = 63 - (((v.auto_vibrato_pos + 128) & 255) >> 1);
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break;
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default:
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tmp_vibrato_value = (((v.auto_vibrato_pos + 128) & 255) >> 1) - 64;
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break;
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}
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} else {
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tmp_vibrato_value = 0;
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}
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if ((v.auto_vibrato_sweep_pos >> 8) < v.sample_ptr->get_vibrato_depth()) {
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v.auto_vibrato_sweep_pos += v.sample_ptr->get_vibrato_speed(); //FIXME - speed? i think so
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tmp_vibrato_depth = v.auto_vibrato_sweep_pos;
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} else {
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tmp_vibrato_depth = v.sample_ptr->get_vibrato_depth() << 8;
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}
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tmp_vibrato_value = (tmp_vibrato_value * tmp_vibrato_depth) >> 16;
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if (song->has_linear_slides())
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tmp_vibrato_value >>= 1;
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v.period -= tmp_vibrato_value;
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/* update vibrato position */
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v.auto_vibrato_pos = (v.auto_vibrato_pos + v.sample_ptr->get_vibrato_rate()) & 0xff;
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/* process pitch envelope */
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tmp_mixer_period = v.period;
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if (v.pitch_envelope_ctrl.active) {
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long aux_pitch_diff;
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int pe_value = v.pitch_envelope_ctrl.value;
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if (!v.instrument_ptr->is_pitch_use_as_filter()) {
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if (((uint16_t)v.note << 1) + pe_value <= 0)
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pe_value = -(v.note << 1);
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int smp_c5 = CPSampleManager::get_singleton()->get_c5_freq(v.sample_ptr->get_sample_data());
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int base = get_period(((uint16_t)v.note << 1), smp_c5);
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int env = get_period(((uint16_t)v.note << 1) + pe_value, smp_c5);
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/*
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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);
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env=env+(abs(v.pitch_envelope_ctrl.value)&((1<<CPEnvelope::FX_HEIGHT_BITS)-1))*(env_next-env)/(1<<CPEnvelope::FX_HEIGHT_BITS);
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printf("env %i\n",env);
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*/
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aux_pitch_diff = env - base;
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if (((int)tmp_mixer_period - aux_pitch_diff) < 0) aux_pitch_diff = 0;
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tmp_mixer_period += aux_pitch_diff;
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} else {
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filter_env = pe_value + 32; //max 64
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// printf("pitch envelope at %i",filter_env);
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}
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}
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if (v.fadeout_volume == 0 || (v.note_end_flags & END_NOTE_KILL)) { /* check for a dead note (fadevol=0) */
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mixer->stop_voice(i);
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} else {
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int32_t freq = get_frequency(tmp_mixer_period);
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int32_t tracker_c5 = get_frequency(get_period(60 << 1, CPSampleManager::get_singleton()->get_c5_freq(v.sample_ptr->get_sample_data())));
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freq = (int32_t)((uint64_t)freq * (uint64_t)C5FREQ_MIXER / (uint64_t)tracker_c5); //numbers may become very high
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mixer->set_voice_frequency(i, freq);
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/* if keyfade, start substracting fadeoutspeed from fadevol: */
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if ((song->has_instruments()) && (v.note_end_flags & END_NOTE_FADE)) {
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if (v.fadeout_volume >= (v.instrument_ptr->get_volume_fadeout())) {
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v.fadeout_volume -= (v.instrument_ptr->get_volume_fadeout());
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} else {
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v.fadeout_volume = 0;
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}
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}
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/*FILTARSSSSSSSS*/
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v.filter.envelope_cutoff = filter_env;
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v.filter.process();
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if ((v.filter.final_cutoff < 0xFF) && (control.filters)) {
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//int final_cutoff;
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//uint8_t final_reso;
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//v.filter.set_filter_parameters( &final_cutoff, &final_reso );
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mixer->set_voice_filter(i, true, v.filter.final_cutoff, v.filter.it_reso);
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} else {
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mixer->set_voice_filter(i, false, 0, 0);
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}
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/* RAIVERV */
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mixer->set_voice_reverb_send(i, v.reverb_send);
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|
|
/* 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++;
|
|
}
|