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godot/modules/chibi/cp_song.cpp
Rémi Verschelde b97401f304 Update copyright statements to 2020 
And apply clang-format 10 to the codebase.
2020-08-13 22:58:13 +02:00

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/*************************************************************************/
/* cp_song.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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_song.h"
void CPSong::set_name(const char *p_name) {
if (p_name == NULL) {
variables.name[0] = 0;
return;
}
bool done = false;
for (int i = 0; i < MAX_SONG_NAME; i++) {
variables.name[i] = done ? 0 : p_name[i];
if (!done && p_name[i] == 0)
done = true;
}
variables.name[MAX_SONG_NAME - 1] = 0; /* just in case */
}
const char *CPSong::get_name() {
return variables.name;
}
void CPSong::set_message(const char *p_message) {
if (p_message == NULL) {
variables.message[0] = 0;
return;
}
bool done = false;
for (int i = 0; i < MAX_MESSAGE_LEN; i++) {
variables.message[i] = done ? 0 : p_message[i];
if (!done && p_message[i] == 0)
done = true;
}
variables.message[MAX_MESSAGE_LEN - 1] = 0; /* just in case */
}
const char *CPSong::get_message() {
return variables.message;
}
void CPSong::set_row_highlight_minor(int p_hl_minor) {
variables.row_highlight_minor = p_hl_minor;
}
int CPSong::get_row_highlight_minor() {
return variables.row_highlight_minor;
}
void CPSong::set_row_highlight_major(int p_hl_major) {
variables.row_highlight_major = p_hl_major;
} /* 0 .. 256 */
int CPSong::get_row_highlight_major() {
return variables.row_highlight_major;
} /* 0 .. 256 */
void CPSong::set_mixing_volume(int p_mix_volume) {
variables.mixing_volume = p_mix_volume;
} /* 0 .. 128 */
int CPSong::get_mixing_volume() {
return variables.mixing_volume;
} /* 0 .. 128 */
void CPSong::set_global_volume(int p_global_volume) {
initial_variables.global_volume = p_global_volume;
} /* 0 .. 128 */
int CPSong::get_global_volume() {
return initial_variables.global_volume;
} /* 0 .. 128 */
void CPSong::set_stereo_separation(int p_separation) {
variables.stereo_separation = p_separation;
} /* 0 .. 128 */
int CPSong::get_stereo_separation() {
return variables.stereo_separation;
} /* 0 .. 128 */
void CPSong::set_stereo(bool p_stereo) {
variables.use_stereo = p_stereo;
}
bool CPSong::is_stereo() {
return variables.use_stereo;
}
void CPSong::set_instruments(bool p_instruments) {
variables.use_instruments = p_instruments;
}
bool CPSong::has_instruments() {
return variables.use_instruments;
}
void CPSong::set_linear_slides(bool p_linear_slides) {
variables.use_linear_slides = p_linear_slides;
}
bool CPSong::has_linear_slides() {
return variables.use_linear_slides;
}
void CPSong::set_old_effects(bool p_old_effects) {
variables.old_effects = p_old_effects;
}
bool CPSong::has_old_effects() {
return variables.old_effects;
}
void CPSong::set_compatible_gxx(bool p_compatible_gxx) {
variables.compatible_gxx = p_compatible_gxx;
}
bool CPSong::has_compatible_gxx() {
return variables.compatible_gxx;
}
void CPSong::set_speed(int p_speed) {
CP_ERR_COND(p_speed < MIN_SPEED);
CP_ERR_COND(p_speed > MAX_SPEED);
initial_variables.speed = p_speed;
} /* 1 .. 255 */
int CPSong::get_speed() {
return initial_variables.speed;
} /* 1 .. 255 */
void CPSong::set_tempo(int p_tempo) {
CP_ERR_COND(p_tempo < MIN_TEMPO);
CP_ERR_COND(p_tempo > MAX_TEMPO);
initial_variables.tempo = p_tempo;
} /* MIN_TEMPO .. MAX_TEMPO */
int CPSong::get_tempo() {
return initial_variables.tempo;
} /* MIN_TEMPO .. MAX_TEMPO */
void CPSong::set_channel_pan(int p_channel, int p_pan) {
CP_FAIL_INDEX(p_channel, CPPattern::WIDTH);
CP_FAIL_INDEX(p_pan, CHANNEL_MAX_PAN + 1);
initial_variables.channel[p_channel].pan = p_pan;
} /* 0 .. CHANNEL_MAX_PAN */
int CPSong::get_channel_pan(int p_channel) {
CP_FAIL_INDEX_V(p_channel, CPPattern::WIDTH, -1);
return initial_variables.channel[p_channel].pan;
}
void CPSong::set_channel_volume(int p_channel, int p_volume) {
CP_FAIL_INDEX(p_channel, CPPattern::WIDTH);
CP_FAIL_INDEX(p_volume, CHANNEL_MAX_VOLUME + 1);
initial_variables.channel[p_channel].volume = p_volume;
} /* 0 .. CHANNEL_MAX_VOLUME */
int CPSong::get_channel_volume(int p_channel) {
CP_FAIL_INDEX_V(p_channel, CPPattern::WIDTH, -1);
return initial_variables.channel[p_channel].volume;
}
void CPSong::set_channel_chorus(int p_channel, int p_chorus) {
CP_FAIL_INDEX(p_channel, CPPattern::WIDTH);
CP_FAIL_INDEX(p_chorus, CHANNEL_MAX_CHORUS + 1);
initial_variables.channel[p_channel].chorus = p_chorus;
} /* 0 .. CHANNEL_MAX_CHORUS */
int CPSong::get_channel_chorus(int p_channel) {
CP_FAIL_INDEX_V(p_channel, CPPattern::WIDTH, -1);
return initial_variables.channel[p_channel].chorus;
}
void CPSong::set_channel_reverb(int p_channel, int p_reverb) {
CP_FAIL_INDEX(p_channel, CPPattern::WIDTH);
CP_FAIL_INDEX(p_reverb, CHANNEL_MAX_REVERB + 1);
initial_variables.channel[p_channel].reverb = p_reverb;
} /* 0 .. CHANNEL_MAX_CHORUS */
int CPSong::get_channel_reverb(int p_channel) {
CP_FAIL_INDEX_V(p_channel, CPPattern::WIDTH, -1);
return initial_variables.channel[p_channel].reverb;
}
void CPSong::set_channel_surround(int p_channel, bool p_surround) {
CP_FAIL_INDEX(p_channel, CPPattern::WIDTH);
initial_variables.channel[p_channel].surround = p_surround;
}
bool CPSong::is_channel_surround(int p_channel) {
CP_FAIL_INDEX_V(p_channel, CPPattern::WIDTH, false);
return initial_variables.channel[p_channel].surround;
}
void CPSong::set_channel_mute(int p_channel, bool p_mute) {
CP_FAIL_INDEX(p_channel, CPPattern::WIDTH);
initial_variables.channel[p_channel].mute = p_mute;
}
bool CPSong::is_channel_mute(int p_channel) {
CP_FAIL_INDEX_V(p_channel, CPPattern::WIDTH, false);
return initial_variables.channel[p_channel].mute;
}
/* arrays of stuff */
CPPattern *CPSong::get_pattern(int p_pattern) {
CP_FAIL_INDEX_V(p_pattern, MAX_PATTERNS, NULL);
return &pattern[p_pattern];
}
CPSample *CPSong::get_sample(int p_sample) {
CP_FAIL_INDEX_V(p_sample, MAX_SAMPLES, NULL);
return &sample[p_sample];
}
CPInstrument *CPSong::get_instrument(int p_instrument) {
CP_FAIL_INDEX_V(p_instrument, MAX_INSTRUMENTS, NULL);
return &instrument[p_instrument];
}
int CPSong::get_order(int p_order) {
CP_FAIL_INDEX_V(p_order, MAX_ORDERS, CP_ORDER_NONE);
return order[p_order];
}
void CPSong::set_order(int p_order, int p_pattern) {
CP_FAIL_INDEX(p_order, MAX_ORDERS);
order[p_order] = p_pattern;
}
void CPSong::clear_instrument_with_samples(int p_instrument) {
CPInstrument *ins = get_instrument(p_instrument);
if (!ins)
return;
for (int i = 0; i < CPNote::NOTES; i++) {
CPSample *s = get_sample(ins->get_sample_number(i));
if (!s)
continue;
if (s->get_sample_data().is_null())
continue;
s->reset();
}
ins->reset();
}
void CPSong::make_instrument_from_sample(int p_sample) {
if (!has_instruments())
return;
CP_ERR_COND(!get_sample(p_sample));
for (int i = 0; i < MAX_INSTRUMENTS; i++) {
CPInstrument *ins = get_instrument(i);
bool empty_slot = true;
for (int n = 0; n < CPNote::NOTES; n++) {
if (ins->get_sample_number(n) < MAX_SAMPLES) {
empty_slot = false;
break;
}
}
if (!empty_slot)
continue;
for (int n = 0; n < CPNote::NOTES; n++) {
ins->set_sample_number(n, p_sample);
ins->set_note_number(n, n);
}
ins->set_name(get_sample(p_sample)->get_name());
break;
}
}
void CPSong::make_instruments_from_samples() {
for (int i = 0; i < MAX_SAMPLES; i++) {
CPInstrument *ins = get_instrument(i);
if (!ins)
continue;
ins->reset();
CPSample *s = get_sample(i);
if (!s)
continue;
ins->set_name(s->get_name());
if (s->get_sample_data().is_null())
continue;
for (int j = 0; j < CPNote::NOTES; j++)
ins->set_sample_number(j, i);
}
}
void CPSong::reset(bool p_clear_patterns, bool p_clear_samples, bool p_clear_instruments, bool p_clear_variables) {
if (p_clear_variables) {
variables.name[0] = 0;
variables.message[0] = 0;
variables.row_highlight_major = 16;
variables.row_highlight_minor = 4;
variables.mixing_volume = 48;
variables.old_effects = false;
if (p_clear_instruments) //should not be cleared, if not clearing instruments!!
variables.use_instruments = false;
variables.stereo_separation = 128;
variables.use_linear_slides = true;
variables.use_stereo = true;
initial_variables.global_volume = 128;
initial_variables.speed = 6;
initial_variables.tempo = 125;
for (int i = 0; i < CPPattern::WIDTH; i++) {
initial_variables.channel[i].pan = 32;
initial_variables.channel[i].volume = CHANNEL_MAX_VOLUME;
initial_variables.channel[i].mute = false;
initial_variables.channel[i].surround = false;
initial_variables.channel[i].chorus = 0;
initial_variables.channel[i].reverb = 0;
}
effects.chorus.delay_ms = 6;
effects.chorus.separation_ms = 3;
effects.chorus.depth_ms10 = 6,
effects.chorus.speed_hz10 = 5;
effects.reverb_mode = REVERB_MODE_ROOM;
}
if (p_clear_samples) {
for (int i = 0; i < MAX_SAMPLES; i++)
get_sample(i)->reset();
}
if (p_clear_instruments) {
for (int i = 0; i < MAX_INSTRUMENTS; i++)
get_instrument(i)->reset();
}
if (p_clear_patterns) {
for (int i = 0; i < MAX_PATTERNS; i++)
get_pattern(i)->clear();
for (int i = 0; i < MAX_ORDERS; i++)
set_order(i, CP_ORDER_NONE);
}
}
CPSong::ReverbMode CPSong::get_reverb_mode() {
return effects.reverb_mode;
}
void CPSong::set_reverb_mode(ReverbMode p_mode) {
effects.reverb_mode = p_mode;
}
void CPSong::set_chorus_delay_ms(int p_amount) {
effects.chorus.delay_ms = p_amount;
}
void CPSong::set_chorus_separation_ms(int p_amount) {
effects.chorus.separation_ms = p_amount;
}
void CPSong::set_chorus_depth_ms10(int p_amount) {
effects.chorus.depth_ms10 = p_amount;
}
void CPSong::set_chorus_speed_hz10(int p_amount) {
effects.chorus.speed_hz10 = p_amount;
}
int CPSong::get_chorus_delay_ms() {
return effects.chorus.delay_ms;
}
int CPSong::get_chorus_separation_ms() {
return effects.chorus.separation_ms;
}
int CPSong::get_chorus_depth_ms10() {
return effects.chorus.depth_ms10;
}
int CPSong::get_chorus_speed_hz10() {
return effects.chorus.speed_hz10;
}
void CPSong::cleanup_unused_patterns() {
for (int i = 0; i < MAX_PATTERNS; i++) {
bool used = false;
if (get_pattern(i)->is_empty())
continue;
for (int j = 0; j < MAX_ORDERS; j++) {
if (get_order(j) == i) {
used = true;
}
}
if (!used)
get_pattern(i)->clear();
}
}
void CPSong::cleanup_unused_instruments() {
if (!has_instruments())
return;
bool instr_found[MAX_INSTRUMENTS];
for (int i = 0; i < MAX_INSTRUMENTS; i++)
instr_found[i] = false;
for (int i = 0; i < MAX_PATTERNS; i++) {
if (get_pattern(i)->is_empty())
continue;
for (int row = 0; row < get_pattern(i)->get_length(); row++) {
for (int col = 0; col < CPPattern::WIDTH; col++) {
CPNote n;
n = get_pattern(i)->get_note(col, row);
if (n.instrument < MAX_INSTRUMENTS)
instr_found[n.instrument] = true;
}
}
}
for (int i = 0; i < MAX_INSTRUMENTS; i++)
if (!instr_found[i])
get_instrument(i)->reset();
}
void CPSong::cleanup_unused_samples() {
if (!has_instruments())
return;
bool sample_found[MAX_SAMPLES];
for (int i = 0; i < MAX_INSTRUMENTS; i++)
sample_found[i] = false;
for (int i = 0; i < MAX_PATTERNS; i++) {
if (get_pattern(i)->is_empty())
continue;
for (int row = 0; row < get_pattern(i)->get_length(); row++) {
for (int col = 0; col < CPPattern::WIDTH; col++) {
CPNote n;
n = get_pattern(i)->get_note(col, row);
if (n.instrument >= MAX_SAMPLES)
continue;
if (has_instruments()) {
for (int nt = 0; nt < CPNote::NOTES; nt++) {
int smp = get_instrument(n.instrument)->get_sample_number(nt);
if (smp < MAX_SAMPLES)
sample_found[smp] = true;
}
} else {
if (n.instrument < MAX_SAMPLES)
sample_found[n.instrument] = true;
}
}
}
}
for (int i = 0; i < MAX_SAMPLES; i++)
if (!sample_found[i])
get_sample(i)->reset();
}
void CPSong::cleanup_unused_orders() {
bool finito = false;
for (int j = 0; j < MAX_ORDERS; j++) {
if (get_order(j) == CP_ORDER_NONE)
finito = true;
if (finito)
set_order(j, CP_ORDER_NONE);
}
}
void CPSong::clear_all_default_pan() {
for (int i = 0; i < MAX_INSTRUMENTS; i++)
get_instrument(i)->set_pan_default_enabled(false); //die!
for (int i = 0; i < MAX_SAMPLES; i++)
get_sample(i)->set_pan_enabled(false); //die!
}
void CPSong::clear_all_default_vol() {
for (int i = 0; i < MAX_SAMPLES; i++)
get_sample(i)->set_default_volume(64); //die!
for (int i = 0; i < MAX_INSTRUMENTS; i++)
get_instrument(i)->set_volume_global_amount(CPInstrument::MAX_VOLUME);
}
int CPSong::get_order_in_use_count() {
int order_count = 0;
for (int i = (MAX_ORDERS - 1); i >= 0; i--) {
if (get_order(i) != CP_ORDER_NONE) {
order_count = i + 1;
break;
}
}
return order_count;
}
int CPSong::get_pattern_in_use_count() {
int pattern_count = 0;
for (int i = (CPSong::MAX_PATTERNS - 1); i >= 0; i--) {
if (!get_pattern(i)->is_empty()) {
pattern_count = i + 1;
break;
}
}
return pattern_count;
}
int CPSong::get_instrument_in_use_count() {
int instrument_count = 0;
for (int i = (CPSong::MAX_INSTRUMENTS - 1); i >= 0; i--) {
CPInstrument *ins = get_instrument(i);
bool in_use = false;
for (int s = 0; s < CPNote::NOTES; s++) {
int smp_idx = ins->get_sample_number(s);
if (smp_idx < 0 || smp_idx >= CPSong::MAX_SAMPLES)
continue;
if (!get_sample(smp_idx)->get_sample_data().is_null()) {
in_use = true;
break;
}
}
if (in_use) {
instrument_count = i + 1;
break;
}
}
return instrument_count;
}
#include <stdio.h>
int CPSong::get_channels_in_use() {
int max = 0;
for (int p = 0; p < CPSong::MAX_PATTERNS; p++) {
CPPattern *pat = get_pattern(p);
if (pat->is_empty())
continue;
for (int c = (CPPattern::WIDTH - 1); c >= 0; c--) {
if (c < max)
break;
bool has_note = false;
for (int r = 0; r < pat->get_length(); r++) {
CPNote n = pat->get_note(c, r);
if (!n.is_empty()) {
has_note = true;
break;
}
}
if (has_note) {
max = c + 1;
}
}
}
return max;
}
void CPSong::separate_in_one_sample_instruments(int p_instrument) {
CP_ERR_COND(!variables.use_instruments);
CP_FAIL_INDEX(p_instrument, MAX_INSTRUMENTS);
int remapped_count = 0;
signed char remap[MAX_SAMPLES];
for (int i = 0; i < MAX_SAMPLES; i++) {
remap[i] = -1;
}
/* Find remaps */
CPInstrument *ins = get_instrument(p_instrument);
for (int i = 0; i < CPNote::NOTES; i++) {
int sn = ins->get_sample_number(i);
// check for unusable sample
if (sn < 0 || sn >= MAX_SAMPLES || get_sample(sn)->get_sample_data().is_null())
continue;
printf("sample %i\n", sn);
if (remap[sn] != -1) {
printf("already mapped to %i\n", remap[sn]);
continue;
}
printf("isn't remapped\n");
// find remap
for (int j = 0; j < MAX_INSTRUMENTS; j++) {
if (!get_instrument(j)->is_empty())
continue;
printf("map to %i\n", j);
//copy
*get_instrument(j) = *ins;
// assign samples
for (int k = 0; k < CPNote::NOTES; k++) {
get_instrument(j)->set_note_number(k, k);
get_instrument(j)->set_sample_number(k, sn);
}
remap[sn] = j;
remapped_count++;
break;
}
CP_ERR_COND(remap[sn] == -1); // no more free instruments
}
printf("remapped %i\n", remapped_count);
if (remapped_count < 2) {
//undo if only one is remapped
for (int i = 0; i < MAX_SAMPLES; i++) {
if (remap[i] != -1) {
get_instrument(remap[i])->reset();
}
}
return;
}
/* remap all song */
for (int p = 0; p < CPSong::MAX_PATTERNS; p++) {
CPPattern *pat = get_pattern(p);
if (pat->is_empty())
continue;
for (int c = 0; c < CPPattern::WIDTH; c++) {
for (int r = 0; r < pat->get_length(); r++) {
CPNote n = pat->get_note(c, r);
if (n.note < CPNote::NOTES && n.instrument == p_instrument) {
int sn = ins->get_sample_number(n.note);
if (remap[sn] == -1)
pat->set_note(c, r, CPNote());
else {
n.instrument = remap[sn];
pat->set_note(c, r, n);
}
}
}
}
}
ins->reset();
}
CPSong::CPSong() {
reset();
}
CPSong::~CPSong() {
}
int get_song_next_order_idx(CPSong *p_song, int p_order_idx) {
int baseorder, order_counter;
order_counter = -1;
baseorder = p_order_idx;
do {
baseorder++;
if (baseorder > (CPSong::MAX_ORDERS - 1)) baseorder = 0;
order_counter++;
} while ((p_song->get_order(baseorder) >= (CPSong::MAX_PATTERNS)) && (order_counter < CPSong::MAX_ORDERS));
if (order_counter == CPSong::MAX_ORDERS) {
return -1;
} else {
return baseorder;
}
}
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