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