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https://github.com/godotengine/godot.git
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f7f197c409
-work in progress new graph system (will replace current one) -crash fix in s3m loader (out of bounds acess) -fixed vbox overriding of separation (fixes empty line between section tabs)
410 lines
10 KiB
C++
410 lines
10 KiB
C++
/*************************************************************************/
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/* cp_loader_s3m.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) 2007-2014 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_s3m.h"
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#define BITBOOL(m_exp) ((m_exp)?1:0)
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CPLoader::Error CPLoader_S3M::load_header() {
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int i;
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file->get_byte_array((uint8_t*)header.songname,28);
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header.t1a=file->get_byte();
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header.type=file->get_byte();
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file->get_byte_array((uint8_t*)header.unused1,2);
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header.ordnum=file->get_word();
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header.insnum=file->get_word();
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header.patnum=file->get_word();
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header.flags=file->get_word();
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header.tracker=file->get_word();
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header.fileformat=file->get_word();
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file->get_byte_array((uint8_t*)header.scrm,4);
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header.scrm[4]=0;
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if (header.scrm[0]!='S' || header.scrm[1]!='C' || header.scrm[2]!='R' || header.scrm[3]!='M')
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return FILE_UNRECOGNIZED;
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header.mastervol=file->get_byte();
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header.initspeed=file->get_byte();
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header.inittempo=file->get_byte();
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header.mastermult=file->get_byte();
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header.ultraclick=file->get_byte();
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header.pantable=file->get_byte();
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file->get_byte_array((uint8_t*)header.unused2,8);
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header.special=file->get_word();
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file->get_byte_array((uint8_t*)header.channels,32);
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file->get_byte_array((uint8_t*)header.orderlist,header.ordnum);
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header.scrm[4]=0;
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if (header.scrm[0]!='S' || header.scrm[1]!='C' || header.scrm[2]!='R' || header.scrm[3]!='M') //again?
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return FILE_UNRECOGNIZED;
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//sample parapointers
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for (i=0;i<header.insnum;i++) {
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int parapointer;
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parapointer=file->get_word();
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parapointer=(parapointer*16);
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sample_parapointers[i]=parapointer;
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}
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//pattern
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for (i=0;i<header.patnum;i++) {
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int parapointer;
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parapointer=file->get_word();
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parapointer=(parapointer*16);
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pattern_parapointers[i]=parapointer;
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}
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if (header.pantable==252) {
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file->get_byte_array((uint8_t*)header.pannings,32);
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}
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return FILE_OK;
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}
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void CPLoader_S3M::set_header() {
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song->set_name( header.songname );
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// song->variables.filename=
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song->set_row_highlight_minor( 4 );
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song->set_row_highlight_major( 16 );
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song->set_mixing_volume( header.mastervol );
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song->set_linear_slides( false );
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song->set_old_effects( !(header.flags&64) );
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song->set_compatible_gxx( true );
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song->set_global_volume( header.mastermult );
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song->set_speed( header.initspeed );
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song->set_tempo( header.inittempo );
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//[TODO] Set Panning Positions.. ?
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for (int i=0;i<header.ordnum;i++) song->set_order(i,header.orderlist[i]);
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}
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CPLoader::Error CPLoader_S3M::load_sample(CPSample *p_sample) {
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int type=file->get_byte();
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char filename[13];
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file->get_byte_array((uint8_t*)filename,12);
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filename[12]=0;
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uint32_t samplepos=(uint32_t)file->get_byte() << 16;
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samplepos|=file->get_word();
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samplepos*=16;
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// printf("sample at %i\n",samplepos);
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/**/
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int sample_size=file->get_dword();
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int loop_begin=file->get_dword();
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int loop_end=file->get_dword();
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int def_volume=file->get_byte();;
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int dsk=file->get_byte();
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int pack=file->get_byte();
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int flags=file->get_byte();
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int c2speed=file->get_dword();
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file->get_dword(); //useless crap
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file->get_dword();
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file->get_dword();
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char name[29];
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file->get_byte_array((uint8_t*)name,28);
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name[28]=0;
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p_sample->set_default_volume(def_volume);
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p_sample->set_name(name);
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char scrs[5];
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file->get_byte_array((uint8_t*)scrs,4);
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scrs[4]=0;
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bool data_is_16bits=flags&4;
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bool data_is_stereo=flags&2;
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if (type==0) {
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//empty sample
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return FILE_OK;
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}
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if ((type!=1) || scrs[0]!='S' || scrs[1]!='C' || scrs[2]!='R' || scrs[3]!='S' ) {
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// printf("type: %i, %c%c%c%c\n",type,scrs[0],scrs[1],scrs[2],scrs[3]);
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CP_PRINTERR("Not an S3M CPSample!");
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return FILE_CORRUPTED;
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}
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//p_sample->data.set_c5_freq(p_sample->c2spd<<1);
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file->seek(samplepos);
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int real_sample_size=sample_size<<BITBOOL(data_is_16bits);
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real_sample_size<<=BITBOOL(data_is_stereo);
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CPSampleManager *sm=CPSampleManager::get_singleton();
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CPSample_ID id =sm->create( data_is_16bits, data_is_stereo, sample_size );
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if (id.is_null())
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return FILE_OUT_OF_MEMORY;
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for (int c=0;c<(data_is_stereo?2:1);c++) {
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for (int i=0;i<sample_size;i++) {
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if (data_is_16bits) {
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uint16_t s=file->get_word();
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s-=32768; //toggle sign
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int16_t *v=(int16_t*)&s;
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sm->set_data(id,i,*v,c);
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} else {
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int8_t *v;
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uint8_t s=file->get_byte();
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s-=128; //toggle sign
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v=(int8_t*)&s;
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int16_t v16=*v;
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v16<<=8;
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sm->set_data(id,i,v16,c);
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}
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}
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}
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sm->set_loop_begin( id, loop_begin );
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sm->set_loop_end( id, loop_end );
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sm->set_loop_type( id, (flags&1) ? CP_LOOP_FORWARD : CP_LOOP_NONE );
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sm->set_c5_freq( id, c2speed << 1 );
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p_sample->set_sample_data(id);
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/* Scream tracker previous to 3.10 seems to be buggy, as in, wont save what is after the sample loop, including the loop end point. Because of this I must fix it by habd */
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if (flags&1) {
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for (int c=0;c<(data_is_stereo?2:1);c++) {
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sm->set_data( id, loop_end, sm->get_data( id, loop_begin,c ),c );
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}
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}
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return FILE_OK;
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}
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CPLoader::Error CPLoader_S3M::load_pattern(CPPattern *p_pattern) {
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int row=0,flag,ch;
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CPNote n;
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int length,accum=0;
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length=file->get_word();
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p_pattern->set_length(64);
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/* clear pattern data */
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while((row<64) && (accum<=length) ) {
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flag=file->get_byte();
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accum++;
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n.clear();
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if(flag) {
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// ch=remap[flag&31];
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// ch=remap[flag&31];
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// if(ch!=-1)
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// n=s3mbuf[(64U*ch)+row];
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// else
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// n=&dummy;
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ch=flag&31;
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if(flag&32) {
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n.note=file->get_byte();
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if (n.note==255) {
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n.note=CPNote::EMPTY;
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} else if (n.note==254) {
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n.note=CPNote::CUT;
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} else {
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n.note=((n.note>>4)*12)+(n.note&0xF);
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}
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n.instrument=file->get_byte()-1;
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accum+=2;
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}
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if(flag&64) {
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n.volume=file->get_byte();
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if (n.volume>64) n.volume=64;
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accum++;
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}
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if(flag&128) {
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n.command=file->get_byte()-1;
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n.parameter=file->get_byte();
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accum+=2;
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}
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p_pattern->set_note(ch,row,n);
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} else row++;
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}
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return FILE_OK;
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}
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CPLoader::Error CPLoader_S3M::load_sample(const char *p_file,CPSample *p_sample) {
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return FILE_UNRECOGNIZED;
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}
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CPLoader::Error CPLoader_S3M::load_instrument(const char *p_file,CPSong *p_song,int p_instr_idx) {
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return FILE_UNRECOGNIZED;
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}
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CPLoader::Error CPLoader_S3M::load_samples() {
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int i;
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for(i=0;i<header.insnum;i++) {
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file->seek(sample_parapointers[i]);
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load_sample(song->get_sample(i));
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sample_count++;
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}
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return FILE_OK;
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}
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CPLoader::Error CPLoader_S3M::load_patterns() {
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int i;
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Error err;
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for(i=0;i<header.patnum;i++) {
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file->seek(pattern_parapointers[i]);
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err=load_pattern(song->get_pattern(i) );
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CP_ERR_COND_V(err,err);
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pattern_count++;
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}
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return FILE_OK;
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}
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CPLoader::Error CPLoader_S3M::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)) {
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//printf("Can't open file! %s\n",p_file);
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return FILE_CANNOT_OPEN;
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};
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sample_count=0;
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pattern_count=0;
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//printf("LOADING HEADER\n");
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CPLoader::Error err;
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if ((err=load_header())) {
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file->close();
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CP_ERR_COND_V(err,err);
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}
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song->reset(); //file type recognized, reset song!
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set_header();
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//printf("LOADING SAMPLES\n");
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if ((err=load_samples())) {
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file->close();
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CP_ERR_COND_V(err,err);
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}
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//printf("LOADING PATTERNS\n");
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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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file->close();
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return FILE_OK;
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}
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CPLoader_S3M::CPLoader_S3M(CPFileAccessWrapper *p_file){
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file=p_file;
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}
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CPLoader_S3M::~CPLoader_S3M(){
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}
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