/*************************************************************************/ /* cp_loader_it_instruments.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2014 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" enum EnvFlags { ENV_ON=1, ENV_LOOP=2, ENV_SUSLOOP=4, ENV_CARRY=8, ENV_FILTER=128 }; void CPLoader_IT::load_envelope(CPEnvelope *p_envelope,bool*p_has_filter_flag) { uint8_t flags=file->get_byte(); uint8_t points=file->get_byte(); uint8_t begin=file->get_byte(); uint8_t end=file->get_byte(); uint8_t susbegin=file->get_byte(); uint8_t susend=file->get_byte(); p_envelope->reset(); for (int i=0;i<25;i++) { uint8_t height=file->get_byte(); int8_t &signed_height=(int8_t&)height; uint16_t tick=file->get_word(); if (i>=points) continue; p_envelope->add_position( tick, signed_height ); } p_envelope->set_enabled( flags & ENV_ON ); p_envelope->set_carry_enabled( flags & ENV_CARRY); p_envelope->set_loop_enabled( flags & ENV_LOOP ); p_envelope->set_loop_begin( begin ); p_envelope->set_loop_end( end ); p_envelope->set_sustain_loop_enabled( flags & ENV_SUSLOOP ); p_envelope->set_sustain_loop_begin( susbegin ); p_envelope->set_sustain_loop_end( susend ); if (p_has_filter_flag) *p_has_filter_flag=flags&ENV_FILTER; file->get_byte(); //zerobyte //fill with stuff if the envelope hass less than 2 points while(p_envelope->get_node_count()<2) { p_envelope->add_position( 30*p_envelope->get_node_count(), p_envelope->get_min()==0 ? 64 : 0, false ); } } CPLoader::Error CPLoader_IT::load_instrument(CPInstrument *p_instrument,int *p_samples) { char aux_header[4]; file->get_byte_array((uint8_t*)aux_header,4); if ( aux_header[0]!='I' || aux_header[1]!='M' || aux_header[2]!='P' || aux_header[3]!='I') { CP_PRINTERR("IT CPLoader CPInstrument: Failed Identifier"); return FILE_UNRECOGNIZED; } // Ignore deprecated 8.3 filename field for (int i=0;i<12;i++) file->get_byte(); //Ignore zerobyte file->get_byte(); /* (byte) CPInstrument type (always 0) */ switch( file->get_byte() ) { /* New CPNote Action [0,1,2,3] */ case 0: p_instrument->set_NNA_type( CPInstrument::NNA_NOTE_CUT ) ; break; case 1: p_instrument->set_NNA_type( CPInstrument::NNA_NOTE_CONTINUE ) ; break; case 2: p_instrument->set_NNA_type( CPInstrument::NNA_NOTE_OFF ) ; break; case 3: p_instrument->set_NNA_type( CPInstrument::NNA_NOTE_FADE ) ; break; }; switch( file->get_byte() ) { // Duplicate Check Type case 0: p_instrument->set_DC_type( CPInstrument::DCT_DISABLED ); break ; case 1: p_instrument->set_DC_type( CPInstrument::DCT_NOTE ); break ; case 2: p_instrument->set_DC_type( CPInstrument::DCT_SAMPLE ); break ; case 3: p_instrument->set_DC_type( CPInstrument::DCT_INSTRUMENT ); break ; } switch( file->get_byte() ) { //Duplicate Check Action case 0: p_instrument->set_DC_action( CPInstrument::DCA_NOTE_CUT ); break ; case 1: p_instrument->set_DC_action( CPInstrument::DCA_NOTE_OFF ); break ; case 2: p_instrument->set_DC_action( CPInstrument::DCA_NOTE_FADE ); break ; } int fade = file->get_word(); //intf("AFADE: %i\n",fade); if (fade>CPInstrument::MAX_FADEOUT) //needs to be clipped because of horrible modplug doings fade=CPInstrument::MAX_FADEOUT; p_instrument->set_volume_fadeout( fade ); p_instrument->set_pan_pitch_separation( file->get_byte() ); p_instrument->set_pan_pitch_center( file->get_byte() ); p_instrument->set_volume_global_amount( file->get_byte() ); uint8_t pan=file->get_byte(); p_instrument->set_pan_default_amount(pan&0x7F); p_instrument->set_pan_default_enabled( !(pan&0x80) ); p_instrument->set_volume_random_variation( file->get_byte() ); p_instrument->set_pan_random_variation( file->get_byte() ); file->get_word(); //empty (version) uint8_t samples=file->get_byte(); if (p_samples) *p_samples=samples; file->get_byte(); //empty char aux_name[26]; file->get_byte_array((uint8_t*)aux_name,26); p_instrument->set_name(aux_name); uint8_t cutoff=file->get_byte(); p_instrument->set_filter_default_cutoff(cutoff&0x7F); p_instrument->set_filter_use_default_cutoff(cutoff&0x80); uint8_t resonance=file->get_byte(); p_instrument->set_filter_default_resonance(resonance&0x7F); p_instrument->set_filter_use_default_resonance(resonance&0x80); file->get_dword(); //MIDI, IGNORED! /* CPNote -> CPSample table */ for (uint8_t i=0;iget_byte(); if (note>=CPNote::NOTES) note=0; p_instrument->set_note_number(i,note); uint8_t samp=file->get_byte(); if (samp==0 || samp>99) samp=CPNote::EMPTY; else samp--; p_instrument->set_sample_number(i,samp); } load_envelope( p_instrument->get_volume_envelope() ); load_envelope( p_instrument->get_pan_envelope() ); bool use_as_filter; load_envelope( p_instrument->get_pitch_filter_envelope(), &use_as_filter ); p_instrument->set_pitch_use_as_filter( use_as_filter ); return FILE_OK; } CPLoader::Error CPLoader_IT::load_instruments() { for (int i=0;iseek(0xC0+header.ordnum+i*4); uint32_t final_location=file->get_dword(); file->seek( final_location ); Error err=load_instrument( song->get_instrument( i ) ); if (err) return err; } return FILE_OK; if (file->eof_reached() || file->get_error()) return FILE_CORRUPTED; }