godot/modules/chibi/cp_loader_it.cpp

210 lines
5.5 KiB
C++

/*************************************************************************/
/* cp_loader_it.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2017 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_loader_it.h"
bool CPLoader_IT::can_load_song() {
return true;
}
bool CPLoader_IT::can_load_sample() {
return true;
}
bool CPLoader_IT::can_load_instrument() {
return true;
}
CPLoader::Error CPLoader_IT::load_song(const char *p_file, CPSong *p_song, bool p_sampleset) {
song = p_song;
if (file->open(p_file, CPFileAccessWrapper::READ) != CPFileAccessWrapper::OK)
return CPLoader::FILE_CANNOT_OPEN;
Error err;
char aux_identifier[4];
file->get_byte_array((uint8_t *)aux_identifier, 4);
if (aux_identifier[0] != 'I' ||
aux_identifier[1] != 'M' ||
aux_identifier[2] != 'P' ||
aux_identifier[3] != 'M') {
CP_PRINTERR("IT CPLoader CPSong: Failed Identifier");
return FILE_UNRECOGNIZED;
}
if (p_sampleset) {
song->reset(false, true, true, false);
if ((err = load_header(true))) {
file->close();
return err;
}
if ((err = load_samples())) {
file->close();
return err;
}
if ((err = load_instruments())) {
file->close();
return err;
}
return FILE_OK;
}
song->reset();
if ((err = load_header(false))) {
file->close();
return err;
}
if ((err = load_orders())) {
file->close();
return err;
}
if ((err = load_patterns())) {
file->close();
return err;
}
if ((err = load_samples())) {
file->close();
return err;
}
if ((err = load_effects())) {
file->close();
return err;
}
if ((err = load_instruments())) {
file->close();
return err;
}
if ((err = load_message())) {
file->close();
return err;
}
file->close();
return FILE_OK;
}
CPLoader::Error CPLoader_IT::load_sample(const char *p_file, CPSample *p_sample) {
if (file->open(p_file, CPFileAccessWrapper::READ) != CPFileAccessWrapper::OK)
return CPLoader::FILE_CANNOT_OPEN;
p_sample->reset();
CPLoader::Error res = load_sample(p_sample);
file->close();
return res;
}
CPLoader::Error CPLoader_IT::load_instrument(const char *p_file, CPSong *p_song, int p_instr_idx) {
CP_FAIL_INDEX_V(p_instr_idx, CPSong::MAX_INSTRUMENTS, CPLoader::FILE_CANNOT_OPEN);
if (file->open(p_file, CPFileAccessWrapper::READ) != CPFileAccessWrapper::OK)
return CPLoader::FILE_CANNOT_OPEN;
p_song->get_instrument(p_instr_idx)->reset();
int samples = 0;
CPLoader::Error res = load_instrument(p_song->get_instrument(p_instr_idx), &samples);
if (res) {
file->close();
return res;
}
char exchange[CPSong::MAX_SAMPLES];
for (int i = 0; i < CPSong::MAX_SAMPLES; i++)
exchange[i] = 0;
for (int i = 0; i < samples; i++) {
file->seek(554 + i * 80); //i think this should work?! seems to.. but i'm not sure
/* find free sample */
int free_idx = -1;
for (int s = 0; s < CPSong::MAX_SAMPLES; s++) {
if (p_song->get_sample(s)->get_sample_data().is_null()) {
free_idx = s;
break;
}
}
if (free_idx == -1)
break; //can't seem to be able to load more samples
exchange[i] = free_idx;
res = load_sample(p_song->get_sample(free_idx));
if (res) {
file->close();
return res;
}
}
for (int i = 0; i < CPNote::NOTES; i++) {
int smp = song->get_instrument(p_instr_idx)->get_sample_number(i);
if (smp >= CPSong::MAX_SAMPLES)
continue;
if (smp < 0)
continue;
smp = exchange[smp];
song->get_instrument(p_instr_idx)->set_sample_number(i, smp);
}
file->close();
return res;
}
CPLoader_IT::CPLoader_IT(CPFileAccessWrapper *p_file) {
file = p_file;
}