mirror of
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217 lines
5.4 KiB
C++
217 lines
5.4 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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/* http://www.godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
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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() { return true; }
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bool CPLoader_IT::can_load_sample() { return true; }
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bool CPLoader_IT::can_load_instrument() { return true; }
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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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