diff options
Diffstat (limited to 'modules/chibi/cp_loader_xm.cpp')
-rw-r--r-- | modules/chibi/cp_loader_xm.cpp | 766 |
1 files changed, 0 insertions, 766 deletions
diff --git a/modules/chibi/cp_loader_xm.cpp b/modules/chibi/cp_loader_xm.cpp deleted file mode 100644 index ccf1eef0e5..0000000000 --- a/modules/chibi/cp_loader_xm.cpp +++ /dev/null @@ -1,766 +0,0 @@ -/*************************************************************************/ -/* cp_loader_xm.cpp */ -/*************************************************************************/ -/* This file is part of: */ -/* GODOT ENGINE */ -/* http://www.godotengine.org */ -/*************************************************************************/ -/* Copyright (c) 2007-2017 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_xm.h" -#include "cp_tables.h" - -#define ABORT_LOAD { file->close(); return FILE_CORRUPTED; } - - - - -CPLoader::Error CPLoader_XM::load_song(const char *p_file,CPSong *p_song,bool p_sampleset) { - - song=p_song; - - if (file->open(p_file,CPFileAccessWrapper::READ)) { - - return FILE_CANNOT_OPEN; - }; - - - /************************************** - LOAD HEADER - ***************************************/ - - file->get_byte_array(header.idtext,17); - header.idtext[17]=0; - - file->get_byte_array(header.songname,20); - - - - header.songname[20]=0; - header.hex1a=file->get_byte(); - if (header.hex1a!=0x1A) { //XM "magic" byte.. this sucks :) - - file->close(); - return FILE_UNRECOGNIZED; - - } - - - //magic byte sucks, but can't do much about it.. - - song->reset(); //must reset the song - - song->set_name( (const char*)header.songname ); - - file->get_byte_array(header.trackername,20); - header.trackername[20]=0; - - - header.version=file->get_word(); - - header.headersize=file->get_dword(); - - header.songlength=file->get_word(); - - header.restart_pos=file->get_word(); - - header.channels_used=file->get_word(); - - header.patterns_used=file->get_word(); - - header.instruments_used=file->get_word(); - - song->set_linear_slides( file->get_word() ); - - song->set_speed( file->get_word() ); - - song->set_tempo( file->get_word() ); - song->set_instruments( true ); - - file->get_byte_array(header.orderlist,256); - - for (int i=0;i<header.songlength;i++) { - - if (i>199) - break; - song->set_order(i,header.orderlist[i]); - } - - /************************************** - LOAD PATTERNS - ***************************************/ - - for (int i=0;i<header.patterns_used;i++) { - - uint32_t aux,rows; - - aux=file->get_dword(); //length - aux=file->get_byte(); //packing type - rows=aux=file->get_word(); //rows! - - song->get_pattern(i)->set_length( aux ); - - aux=file->get_word(); //packed size - if (aux==0) - continue; - //unpaaack! - for(int j=0;j<(int)rows;j++) - for(int k=0;k<header.channels_used;k++) { - - CPNote aux_note; - uint8_t aux_byte; - //uint8_t field; - aux_byte=file->get_byte(); //packing type - if (!(aux_byte&0x80)) { - - aux_note.note=aux_byte; - aux_byte=0xFE; //if bit 7 not set, read all of them except the note - } - - if (aux_byte&1) aux_note.note=file->get_byte(); - if (aux_byte&2) aux_note.instrument=file->get_byte(); - if (aux_byte&4) aux_note.volume=file->get_byte(); - if (aux_byte&8) aux_note.command=file->get_byte(); - if (aux_byte&16) aux_note.parameter=file->get_byte(); - - if (aux_note.note!=CPNote::EMPTY) { - - if (aux_note.note==97) aux_note.note=CPNote::OFF; - else { - aux_note.note+=11; //octave minus one (XM C-0 is 1, not zero ) - } - } - if (aux_note.instrument!=CPNote::EMPTY) { - - if ((aux_note.instrument>0) && (aux_note.instrument<100)) - aux_note.instrument--; - else - aux_note.instrument=CPNote::EMPTY; - } - if (aux_note.volume!=CPNote::EMPTY) { - - if (aux_note.volume<0x10) {} - else if (aux_note.volume<0x50) { - - aux_note.volume-=0x10; - - } else if (aux_note.volume<0x60) { - // - aux_note.volume=CPNote::EMPTY; - - } else if (aux_note.volume<0x70) { - //60 -- volume slide down - aux_note.volume-=0x60; - if (aux_note.volume>9) aux_note.volume=9; - aux_note.volume+=95; - - } else if (aux_note.volume<0x80) { - //70 -- volume slide up - aux_note.volume-=0x70; - if (aux_note.volume>9) aux_note.volume=9; - aux_note.volume+=85; - - - } else if (aux_note.volume<0x90) { - //80 -- fine volume slide down - aux_note.volume-=0x80; - if (aux_note.volume>9) aux_note.volume=9; - aux_note.volume+=75; - - - } else if (aux_note.volume<0xA0) { - //9 -- fine volume slide up - - aux_note.volume-=0x90; - if (aux_note.volume>9) aux_note.volume=9; - - aux_note.volume+=65; - - - - } else if (aux_note.volume<0xB0) { - //A -- set vibrato speed - aux_note.volume=CPNote::EMPTY; - - } else if (aux_note.volume<0xC0) { - //B -- vibrato - aux_note.volume-=0xB0; - if (aux_note.volume>9) aux_note.volume=9; - aux_note.volume+=203; - - - } else if (aux_note.volume<0xD0) { - //C -- set panning - int aux=aux_note.volume-=0xC0; - aux=aux*65/0xF; - aux_note.volume=128+aux; - - } else if (aux_note.volume<0xE0) { - aux_note.volume=CPNote::EMPTY; - - - } else if (aux_note.volume<0xF0) { - aux_note.volume=CPNote::EMPTY; - - - } else { - //F -- tone porta - aux_note.volume-=0xF0; - aux_note.volume*=9; - aux_note.volume/=0xF; - aux_note.volume+=193; - } - } - if (aux_note.command!=CPNote::EMPTY) { - - switch(aux_note.command) { - - case 0x0: - aux_note.command='J'-'A'; - break; - case 0x1: - aux_note.command='F'-'A'; - break; - case 0x2: - aux_note.command='E'-'A'; - break; - case 0x3: - aux_note.command='G'-'A'; - break; - case 0x4: - aux_note.command='H'-'A'; - break; - case 0x5: - aux_note.command='L'-'A'; - break; - case 0x6: - aux_note.command='K'-'A'; - break; - case 0x7: - aux_note.command='R'-'A'; - break; - case 0x8: - aux_note.command='X'-'A'; - break; - case 0x9: - aux_note.command='O'-'A'; - break; - case 0xa: - aux_note.command='D'-'A'; - break; - case 0xb: - aux_note.command='B'-'A'; - break; - case 0xc: - //printf("XM Import: Warning! effect C (set volume) not implemented!\n"); - break; - case 0xd: - aux_note.command='C'-'A'; - break; - - case 0xe: /* Extended effects */ - - aux_note.command='S'-'A'; - switch(aux_note.parameter>>4) { - case 0x1: /* XM fine porta up */ - if (!(aux_note.parameter&0xF)) { aux_note.command=CPNote::EMPTY; aux_note.parameter=0; break; } - aux_note.command='F'-'A'; - aux_note.parameter=0xF0|(aux_note.parameter&0xF); - break; - case 0x2: /* XM fine porta down */ - if (!(aux_note.parameter&0xF)) { aux_note.command=CPNote::EMPTY; aux_note.parameter=0; break; } - aux_note.command='E'-'A'; - aux_note.parameter=0xF0|(aux_note.parameter&0xF); - break; - case 0xa: /* XM fine volume up */ - if (!(aux_note.parameter&0xF)) { aux_note.command=CPNote::EMPTY; aux_note.parameter=0; break; } - aux_note.command='D'-'A'; - aux_note.parameter=0x0F|((aux_note.parameter&0xF)<<4); - - break; - case 0xb: /* XM fine volume down */ - if (!(aux_note.parameter&0xF)) { aux_note.command=CPNote::EMPTY; aux_note.parameter=0; break; } - aux_note.command='D'-'A'; - aux_note.parameter=0xF0|(aux_note.parameter&0xF); - - break; - case 0x9: /* XM fine volume down */ - if (!(aux_note.parameter&0xF)) { aux_note.command=CPNote::EMPTY; aux_note.parameter=0; break; } - aux_note.command='Q'-'A'; - aux_note.parameter=0x00|(aux_note.parameter&0xF); - break; - - case 0xc: //notecut - - aux_note.parameter=0xC0|(aux_note.parameter&0xF); - break; - - case 0xd: //notedelay - - aux_note.parameter=0xD0|(aux_note.parameter&0xF); - break; - - case 0xe: //patterndelay - - aux_note.parameter=0xE0|(aux_note.parameter&0xF); - break; - } - - break; - case 0xf: - if (aux_note.parameter<32) { - aux_note.command='A'-'A'; - } else { - aux_note.command='T'-'A'; - } - break; - case 'G'-55: - aux_note.command='V'-'A'; - break; - case 'H'-55: - aux_note.command='W'-'A'; - break; - case 'K'-55: - if (aux_note.note!=CPNote::EMPTY) break; - aux_note.note=CPNote::OFF; - break; - case 'P'-55: - aux_note.command='P'-'A'; - break; - case 'R'-55: - aux_note.command='Q'-'A'; - break; - case 'T'-55: - aux_note.command='I'-'A'; - break; - default: { - - aux_note.command=CPNote::EMPTY; - } - } - - - } - - song->get_pattern( i)->set_note( k,j,aux_note ); - } - } - - /************************************** - LOAD INSTRUMENTS! - ***************************************/ - - for (int i=0;i<header.instruments_used;i++) { - - - uint32_t aux; - int sampnum; - - CPInstrument &instrument=*song->get_instrument(i); - uint32_t cpos=file->get_pos(); - //printf("pos is %i\n",cpos); - - /* +4 */ - uint32_t hsize=file->get_dword(); //header length - - char instrname[23]; - instrname[22]=0; - - file->get_byte_array((uint8_t*)instrname,22); - //XM_LOAD_DEBUG printf("name is %s\n",instrname); - - /* +27 */ - aux=file->get_byte(); //byte that must be ignored - //XM_LOAD_DEBUG printf("header size is %i\n",hsize); - - /* +29 */ - sampnum=file->get_word(); - - //XM_LOAD_DEBUG printf("samples %i\n",sampnum); - - - instrument.set_name( instrname ); - //printf("Header Len: %i, CPInstrument %i, %i samples , name: s,\n",hsize,i,sampnum,instrname); - - if (sampnum==0) { - //aux=file->get_dword(); //Why is this for? -- for nothing, skipped - if (hsize) { - - file->seek( cpos+hsize ); //skip header if size has been specified - } - continue; - } - - /* +33 */ - file->get_dword(); - - if (Error result=load_instrument_internal(&instrument,false,cpos,hsize,sampnum)) { - - CP_PRINTERR("Error loading instrument"); - file->close(); - return result; - } - } - - file->close(); - return FILE_OK; -} - -CPLoader::Error CPLoader_XM::load_instrument_internal(CPInstrument *p_instr,bool p_xi,int p_cpos, int p_hsize, int p_sampnum) { - - int sampnum; - uint32_t aux; - uint8_t notenumb[96]; - uint16_t panenv[24],volenv[24]; - int volpoints,panpoints; - int vol_loop_begin,vol_loop_end,vol_sustain_loop; - int pan_loop_begin,pan_loop_end,pan_sustain_loop; - char instrname[23]; - int sample_index[16]={-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1}; //-1 means no index! - - instrname[22]=0; - - - /* +129 */ - file->get_byte_array((uint8_t*)notenumb,96); - for (int j=0;j<24;j++) { - volenv[j]=file->get_word(); - } - for (int j=0;j<24;j++) { - panenv[j]=file->get_word(); - } - - /* +177 */ - /* +225 */ - /* +226 */ - volpoints=file->get_byte(); - /* +227 */ - panpoints=file->get_byte(); - /* +230 */ - vol_sustain_loop=file->get_byte(); - /* +228 */ - vol_loop_begin=file->get_byte(); - /* +229 */ - vol_loop_end=file->get_byte(); - - //XM_LOAD_DEBUG printf("1- volpoints: %i, panpoints: %i, susloop: %i, loop begin: %i, loop end %i\n",volpoints,panpoints,vol_sustain_loop,vol_loop_begin,vol_loop_end); - pan_sustain_loop=file->get_byte(); - /* +231 */ - pan_loop_begin=file->get_byte(); - /* +232 */ - pan_loop_end=file->get_byte(); - - - - /* +234 */ - aux=file->get_byte(); - p_instr->get_volume_envelope()->reset(); - p_instr->get_volume_envelope()->set_enabled(aux&1); - p_instr->get_volume_envelope()->set_sustain_loop_enabled((aux&2)?true:false); - p_instr->get_volume_envelope()->set_loop_enabled((aux&4)?true:false); - /* +235 */ - aux=file->get_byte(); - p_instr->get_pan_envelope()->reset(); - p_instr->get_pan_envelope()->set_enabled(aux&1); - p_instr->get_pan_envelope()->set_sustain_loop_enabled((aux&2)?true:false); - p_instr->get_pan_envelope()->set_loop_enabled((aux&4)?true:false); - - /* +239 */ - aux=file->get_dword(); // sadly, cant use those - /* +241 */ - p_instr->set_volume_fadeout( file->get_word() >> 4 ); - /* +243 */ - aux=file->get_word(); // reserved! - - - - for (int j=0;j<volpoints;j++) { - int ofs=volenv[j*2]; - int val=volenv[j*2+1]; - p_instr->get_volume_envelope()->add_position(ofs,val); - - } - - //make sure minimum is 2 - while (p_instr->get_volume_envelope()->get_node_count()<2) { - - p_instr->get_volume_envelope()->add_position( p_instr->get_volume_envelope()->get_node_count()*20,64 ); - } - - for (int j=0;j<panpoints;j++) { - int ofs=panenv[j*2]; - int val=panenv[j*2+1]; - p_instr->get_pan_envelope()->add_position(ofs,val-32); - } - - //make sure minimum is 2 - while (p_instr->get_pan_envelope()->get_node_count()<2) { - - p_instr->get_pan_envelope()->add_position( p_instr->get_pan_envelope()->get_node_count()*20,0 ); - } - - - p_instr->get_volume_envelope()->set_loop_begin(vol_loop_begin); - p_instr->get_volume_envelope()->set_loop_end(vol_loop_end); - p_instr->get_volume_envelope()->set_sustain_loop_end(vol_sustain_loop); - p_instr->get_volume_envelope()->set_sustain_loop_begin(vol_sustain_loop); - p_instr->get_pan_envelope()->set_loop_begin(pan_loop_begin); - p_instr->get_pan_envelope()->set_loop_end(pan_loop_end); - p_instr->get_pan_envelope()->set_sustain_loop_end(pan_sustain_loop); - p_instr->get_pan_envelope()->set_sustain_loop_begin(pan_sustain_loop); - - - if (!p_xi) { - - if ((file->get_pos()-p_cpos)<p_hsize) { - - uint8_t junkbuster[500]; - - //printf("extra junk XM instrument in header! hsize is %i, extra junk: %i\n",p_hsize,(file->get_pos()-p_cpos)); - //printf("extra: %i\n",p_hsize-(file->get_pos()-p_cpos)); - file->get_byte_array((uint8_t*)junkbuster,p_hsize-(file->get_pos()-p_cpos)); - } - - sampnum=p_sampnum; - } else { - - uint8_t junkbuster[500]; - file->get_byte_array((uint8_t*)junkbuster,20); //14 bytes? - - sampnum=file->get_word(); - - } - - - CPSampleManager *sm=CPSampleManager::get_singleton(); - - /*SAMPLE!!*/ - - for (int j=0;j<sampnum;j++) { - - if (j>16) ABORT_LOAD; - - - int s_idx=-1; - for (int s=0;s<CPSong::MAX_SAMPLES;s++) { - - if (song->get_sample(s)->get_sample_data().is_null()) { - //empty sample! - s_idx=s; - break; - } - } - - if (s_idx==-1) ABORT_LOAD; - //printf("free sample: %i\n",s_idx); - - - CPSample& sample=*song->get_sample(s_idx); - - int sample_size=file->get_dword(); - int tmp_loop_begin=file->get_dword(); - - int tmp_loop_end=file->get_dword(); - - sample.set_default_volume(file->get_byte()); - - uint8_t ftb=file->get_byte(); - int8_t *fts=(int8_t*)&ftb; - int finetune=*fts; - uint32_t flags=file->get_byte(); - - if (flags&16) { // is 16 bits.. at flag 16.. fun :) - - tmp_loop_end/=2; - tmp_loop_begin/=2; - sample_size/=2; - } - - - CPSample_ID sample_data=sm->create( flags&16, false, sample_size ); - - sample.set_sample_data(sample_data); - sm->set_loop_begin(sample_data,tmp_loop_begin); - sm->set_loop_end(sample_data,tmp_loop_end+tmp_loop_begin); - - sm->set_loop_type( sample_data, (flags&3)?( (flags&2) ? CP_LOOP_BIDI : CP_LOOP_FORWARD ):CP_LOOP_NONE ); - - - - sample.set_pan_enabled(true); - sample.set_pan(file->get_byte()*64/255); - uint8_t noteb=file->get_byte(); - int8_t *notes=(int8_t*)¬eb; - int note_offset=*notes; - note_offset+=48; - //note_offset+=60; - - - - //int linear_period=10*12*16*4 - (note_offset)*16*4 - finetune/2; - //int freq=(int)(8363*pow(2.0,(double)(6*12*16*4 - linear_period) / (double)(12*16*4))); - - //sm->set_c5_freq( sample_data, freq); - sm->set_c5_freq( sample_data, CPTables::get_linear_frequency(CPTables::get_linear_period(note_offset<<1,finetune)) ); - //printf("NOTE %i,fine %i\n",note_offset,finetune); - - char auxb; - auxb=file->get_byte(); //reserved? - file->get_byte_array((uint8_t*)instrname,22); - sample.set_name(instrname); - - sample_index[j]=s_idx; - } - - /*SAMPLE __DATA__!!*/ - - for (int j=0;j<sampnum;j++) { - - if (sample_index[j]==-1) continue; - - CPSample *sample=song->get_sample(sample_index[j]); - CPSample_ID sid=sample->get_sample_data(); - - sm->lock_data(sid); - - void*dataptr=sm->get_data(sid); - - if (sm->is_16bits( sid)) { - - int16_t old=0; - - - for (int k=0;k<sm->get_size(sid);k++) { - - int16_t newsample; - int16_t sampleval=file->get_word(); - newsample=sampleval+old; - old=newsample; - - ((int16_t*)dataptr)[k]=newsample; - //sm->set_data( sid, k, newsample ); - } - } else { - - int8_t old=0; - - - for (int k=0;k<sm->get_size(sid);k++) { - - int8_t newsample; - int8_t sampleval=file->get_byte(); - newsample=sampleval+old; - old=newsample; - - ((int8_t*)dataptr)[k]=newsample; - - //sm->set_data( sid, k, (int16_t)newsample << 8 ); - - } - } - - sm->unlock_data(sid); - - } - - for (int j=0;j<96;j++) { - - int val=notenumb[j]; - if ((val<0) || (val>15)) continue; - else val=sample_index[val]; - if (val==-1) continue; - p_instr->set_sample_number( 12+j,val ); - } - - - return FILE_OK; -} - - - -CPLoader::Error CPLoader_XM::load_sample(const char *p_file,CPSample *p_sample) { - - return FILE_UNRECOGNIZED; -} - - -/* Compute CPInstrument Info */ -CPLoader::Error CPLoader_XM::load_instrument(const char *p_file,CPSong *p_song,int p_instr_idx) { - - if ( file->open(p_file,CPFileAccessWrapper::READ) ) return FILE_CANNOT_OPEN; - //int i; - song=p_song; - CPInstrument& instr=*p_song->get_instrument( p_instr_idx ); - int aux; - - - char buffer[500]; - file->get_byte_array((uint8_t*)buffer,0x15); - buffer[8]=0; - if ( buffer[0]!='E' || - buffer[1]!='x' || - buffer[2]!='t' || - buffer[3]!='e' || - buffer[4]!='n' || - buffer[5]!='d' || - buffer[6]!='e' || - buffer[7]!='d') { - file->close(); - return FILE_UNRECOGNIZED; - } - - file->get_byte_array((uint8_t*)buffer,0x16); - buffer[0x16]=0; - instr.set_name(buffer); - aux=file->get_byte(); //says ignore ti - /*if(aux!=0x1a) { I'm not sure. this is supposed to be ignored... - - file->close(); - return FILE_UNRECOGNIZED; - } */ - - file->get_byte_array((uint8_t*)buffer,0x14); //somethingaboutthename - aux=file->get_word(); //version or blahblah - - if (load_instrument_internal(&instr,true,0,0)) { - - file->close(); - return FILE_CORRUPTED; - } - - file->close(); //ook, we got it.. - - - return FILE_OK; - -} - - - -CPLoader_XM::CPLoader_XM(CPFileAccessWrapper *p_file){ - - file=p_file; -} -CPLoader_XM::~CPLoader_XM(){ -} - |