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virtualx-engine/modules/chibi/cp_loader_it_info.cpp
Rémi Verschelde 8bf3bc3449 chibi: Move to a module 
(cherry picked from commit e6dc51a0f7)
2016-10-30 14:51:33 +01:00

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7.1 KiB
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/*************************************************************************/
/* cp_loader_it_info.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur. */
/* */
/* 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"
CPLoader::Error CPLoader_IT::load_header(bool p_dont_set) {
char aux_songname[26];
file->get_byte_array((uint8_t*)aux_songname,26);
if (!p_dont_set)
song->set_name( aux_songname );
uint8_t aux_hlmin=file->get_byte();
uint8_t aux_hlmaj=file->get_byte();
if (aux_hlmin==0) aux_hlmin=4;
if (aux_hlmaj==0) aux_hlmaj=16;
if (!p_dont_set) {
song->set_row_highlight_minor( aux_hlmin );
song->set_row_highlight_major( aux_hlmaj );
}
header.ordnum=file->get_word();
header.insnum=file->get_word();
header.smpnum=file->get_word();
header.patnum=file->get_word();
header.cwt=file->get_word(); /* Created with tracker (y.xx = 0x0yxx) */
header.cmwt=file->get_word(); /* Compatible with tracker ver > than val. */
header.flags=file->get_word();
if (!p_dont_set) {
song->set_stereo( header.flags & 1 );
song->set_linear_slides( header.flags & 8 );
song->set_old_effects( header.flags & 16 );
song->set_compatible_gxx( header.flags & 32 );
song->set_instruments( header.flags & 4 );
}
header.special=file->get_word();
if (!p_dont_set) {
song->set_global_volume( file->get_byte() );
song->set_mixing_volume( file->get_byte() );
song->set_speed( file->get_byte() );
song->set_tempo( file->get_byte() );
song->set_stereo_separation( file->get_byte() );
} else {
file->get_byte(); // skip
file->get_byte(); // skip
file->get_byte(); // skip
file->get_byte(); // skip
file->get_byte(); // skip
}
file->get_byte(); // ZERO Byte
header.msglength=file->get_word();
header.msgoffset=file->get_dword();
char chibi[4];
file->get_byte_array((uint8_t*)chibi,4);
header.is_chibi=(chibi[0]=='C' && chibi[1]=='H' && chibi[2]=='B' && chibi[3]=='I');
for (int i=0;i<64;i++) {
uint8_t panbyte=file->get_byte();
uint8_t pan_dst=(panbyte<65) ? panbyte : 32;
bool surround_dst=(panbyte==100);
bool mute_dst=(panbyte>=128);
if (!p_dont_set) {
song->set_channel_pan( i, pan_dst );
song->set_channel_surround( i, surround_dst );
song->set_channel_mute( i, mute_dst );
}
}
for (int i=0;i<64;i++) {
unsigned char cv = file->get_byte();
if (!p_dont_set)
song->set_channel_volume( i, cv );
}
CP_ERR_COND_V( file->eof_reached(),FILE_CORRUPTED );
CP_ERR_COND_V( file->get_error(),FILE_CORRUPTED );
return FILE_OK;
}
CPLoader::Error CPLoader_IT::load_effects() {
if (!header.is_chibi)
return FILE_OK; //no effects, regular IT file
/* GOTO End of IT header */
file->seek(0xC0+header.ordnum+header.insnum*4+header.smpnum*4+header.patnum*4);
if (file->get_byte()>0) //not made with this version, ignore extended info
return FILE_OK;
/* Chibitracker Extended info */
switch(file->get_byte()) {
case CPSong::REVERB_MODE_ROOM: {
song->set_reverb_mode( CPSong::REVERB_MODE_ROOM );
} break;
case CPSong::REVERB_MODE_STUDIO_SMALL: {
song->set_reverb_mode( CPSong::REVERB_MODE_STUDIO_SMALL );
} break;
case CPSong::REVERB_MODE_STUDIO_MEDIUM: {
song->set_reverb_mode( CPSong::REVERB_MODE_STUDIO_MEDIUM );
} break;
case CPSong::REVERB_MODE_STUDIO_LARGE: {
song->set_reverb_mode( CPSong::REVERB_MODE_STUDIO_LARGE );
} break;
case CPSong::REVERB_MODE_HALL: {
song->set_reverb_mode( CPSong::REVERB_MODE_HALL );
} break;
case CPSong::REVERB_MODE_SPACE_ECHO: {
song->set_reverb_mode( CPSong::REVERB_MODE_SPACE_ECHO );
} break;
case CPSong::REVERB_MODE_ECHO: {
song->set_reverb_mode( CPSong::REVERB_MODE_ECHO );
} break;
case CPSong::REVERB_MODE_DELAY: {
song->set_reverb_mode( CPSong::REVERB_MODE_DELAY );
} break;
case CPSong::REVERB_MODE_HALF_ECHO: {
song->set_reverb_mode( CPSong::REVERB_MODE_HALF_ECHO );
} break;
}
//chorus
song->set_chorus_speed_hz10( file->get_byte() );
song->set_chorus_delay_ms( file->get_byte() );
song->set_chorus_depth_ms10( file->get_byte() );
song->set_chorus_separation_ms( file->get_byte() );
for (int i=0;i<CPPattern::WIDTH;i++) {
song->set_channel_reverb(i,file->get_byte());
}
for (int i=0;i<CPPattern::WIDTH;i++) {
song->set_channel_chorus(i,file->get_byte());
}
return FILE_OK;
}
CPLoader::Error CPLoader_IT::load_message() {
if (!(header.special & 1)) {
return FILE_OK;
}
file->seek(header.msgoffset);
//(void*)tmpmsg=malloc(header.msglength+1);
char message[8000];
char *tmpmsg = message;
file->get_byte_array((uint8_t*)tmpmsg,header.msglength);
tmpmsg[header.msglength]=0;
for (int i=0;i<header.msglength;i++) if (tmpmsg[i]=='\r') tmpmsg[i]='\n';
song->set_message(tmpmsg);
return FILE_OK;
}
CPLoader::Error CPLoader_IT::load_orders() {
file->seek(0xC0);
for (int i=0;i<header.ordnum;i++) {
uint8_t aux_order=file->get_byte();
CPOrder order=CP_ORDER_NONE;
if (i>=CPSong::MAX_ORDERS)
continue;
if (aux_order==254) {
order=CP_ORDER_BREAK;
} else if (aux_order<200) {
order=aux_order;
//nothing!
}
song->set_order(i,order);
}
if (file->eof_reached() || file->get_error()) {
return FILE_CORRUPTED;
}
return FILE_OK;
}
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