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-rw-r--r--src/adplug/core/dtm.cc317
1 files changed, 0 insertions, 317 deletions
diff --git a/src/adplug/core/dtm.cc b/src/adplug/core/dtm.cc
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--- a/src/adplug/core/dtm.cc
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@@ -1,317 +0,0 @@
-/*
- Adplug - Replayer for many OPL2/OPL3 audio file formats.
- Copyright (C) 1999 - 2006 Simon Peter, <dn.tlp@gmx.net>, et al.
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-
- dtm.cpp - DTM loader by Riven the Mage <riven@ok.ru>
-*/
-/*
- NOTE: Panning (Ex) effect is ignored.
-*/
-
-#include <cstring>
-#include "dtm.h"
-
-/* -------- Public Methods -------------------------------- */
-
-CPlayer *CdtmLoader::factory(Copl *newopl)
-{
- return new CdtmLoader(newopl);
-}
-
-bool CdtmLoader::load(const std::string &filename, const CFileProvider &fp)
-{
- binistream *f = fp.open(filename); if(!f) return false;
- const unsigned char conv_inst[11] = { 2,1,10,9,4,3,6,5,0,8,7 };
- const unsigned short conv_note[12] = { 0x16B, 0x181, 0x198, 0x1B0, 0x1CA, 0x1E5, 0x202, 0x220, 0x241, 0x263, 0x287, 0x2AE };
- int i,j,k,t=0;
-
- // read header
- f->readString(header.id, 12);
- header.version = f->readInt(1);
- f->readString(header.title, 20); f->readString(header.author, 20);
- header.numpat = f->readInt(1); header.numinst = f->readInt(1);
-
- // signature exists ? good version ?
- if(memcmp(header.id,"DeFy DTM ",9) || header.version != 0x10)
- { fp.close (f); return false; }
-
- header.numinst++;
-
- // load description
- memset(desc,0,80*16);
-
- char bufstr[80];
-
- for (i=0;i<16;i++)
- {
- // get line length
- unsigned char bufstr_length = f->readInt(1);
-
- if(bufstr_length > 80) {
- fp.close(f);
- return false;
- }
-
- // read line
- if (bufstr_length)
- {
- f->readString(bufstr,bufstr_length);
-
- for (j=0;j<bufstr_length;j++)
- if (!bufstr[j])
- bufstr[j] = 0x20;
-
- bufstr[bufstr_length] = 0;
-
- strcat(desc,bufstr);
- }
-
- strcat(desc,"\n");
- }
-
- // init CmodPlayer
- realloc_instruments(header.numinst);
- realloc_order(100);
- realloc_patterns(header.numpat,64,9);
- init_notetable(conv_note);
- init_trackord();
-
- // load instruments
- for (i=0;i<header.numinst;i++)
- {
- unsigned char name_length = f->readInt(1);
-
- if (name_length)
- f->readString(instruments[i].name, name_length);
-
- instruments[i].name[name_length] = 0;
-
- for(j = 0; j < 12; j++)
- instruments[i].data[j] = f->readInt(1);
-
- for (j=0;j<11;j++)
- inst[i].data[conv_inst[j]] = instruments[i].data[j];
- }
-
- // load order
- for(i = 0; i < 100; i++) order[i] = f->readInt(1);
-
- nop = header.numpat;
-
- unsigned char *pattern = new unsigned char [0x480];
-
- // load tracks
- for (i=0;i<nop;i++)
- {
- unsigned short packed_length;
-
- packed_length = f->readInt(2);
-
- unsigned char *packed_pattern = new unsigned char [packed_length];
-
- for(j = 0; j < packed_length; j++)
- packed_pattern[j] = f->readInt(1);
-
- long unpacked_length = unpack_pattern(packed_pattern,packed_length,pattern,0x480);
-
- delete [] packed_pattern;
-
- if (!unpacked_length)
- {
- delete [] pattern;
- fp.close(f);
- return false;
- }
-
- // convert pattern
- for (j=0;j<9;j++)
- {
- for (k=0;k<64;k++)
- {
- dtm_event *event = (dtm_event *)&pattern[(k*9+j)*2];
-
- // instrument
- if (event->byte0 == 0x80)
- {
- if (event->byte1 <= 0x80)
- tracks[t][k].inst = event->byte1 + 1;
- }
-
- // note + effect
- else
- {
- tracks[t][k].note = event->byte0;
-
- if ((event->byte0 != 0) && (event->byte0 != 127))
- tracks[t][k].note++;
-
- // convert effects
- switch (event->byte1 >> 4)
- {
- case 0x0: // pattern break
- if ((event->byte1 & 15) == 1)
- tracks[t][k].command = 13;
- break;
-
- case 0x1: // freq. slide up
- tracks[t][k].command = 28;
- tracks[t][k].param1 = event->byte1 & 15;
- break;
-
- case 0x2: // freq. slide down
- tracks[t][k].command = 28;
- tracks[t][k].param2 = event->byte1 & 15;
- break;
-
- case 0xA: // set carrier volume
- case 0xC: // set instrument volume
- tracks[t][k].command = 22;
- tracks[t][k].param1 = (0x3F - (event->byte1 & 15)) >> 4;
- tracks[t][k].param2 = (0x3F - (event->byte1 & 15)) & 15;
- break;
-
- case 0xB: // set modulator volume
- tracks[t][k].command = 21;
- tracks[t][k].param1 = (0x3F - (event->byte1 & 15)) >> 4;
- tracks[t][k].param2 = (0x3F - (event->byte1 & 15)) & 15;
- break;
-
- case 0xE: // set panning
- break;
-
- case 0xF: // set speed
- tracks[t][k].command = 13;
- tracks[t][k].param2 = event->byte1 & 15;
- break;
- }
- }
- }
-
- t++;
- }
- }
-
- delete [] pattern;
- fp.close(f);
-
- // order length
- for (i=0;i<100;i++)
- {
- if (order[i] >= 0x80)
- {
- length = i;
-
- if (order[i] == 0xFF)
- restartpos = 0;
- else
- restartpos = order[i] - 0x80;
-
- break;
- }
- }
-
- // initial speed
- initspeed = 2;
-
- rewind(0);
-
- return true;
-}
-
-void CdtmLoader::rewind(int subsong)
-{
- CmodPlayer::rewind(subsong);
-
- // default instruments
- for (int i=0;i<9;i++)
- {
- channel[i].inst = i;
-
- channel[i].vol1 = 63 - (inst[i].data[10] & 63);
- channel[i].vol2 = 63 - (inst[i].data[9] & 63);
- }
-}
-
-float CdtmLoader::getrefresh()
-{
- return 18.2f;
-}
-
-std::string CdtmLoader::gettype()
-{
- return std::string("DeFy Adlib Tracker");
-}
-
-std::string CdtmLoader::gettitle()
-{
- return std::string(header.title);
-}
-
-std::string CdtmLoader::getauthor()
-{
- return std::string(header.author);
-}
-
-std::string CdtmLoader::getdesc()
-{
- return std::string(desc);
-}
-
-std::string CdtmLoader::getinstrument(unsigned int n)
-{
- return std::string(instruments[n].name);
-}
-
-unsigned int CdtmLoader::getinstruments()
-{
- return header.numinst;
-}
-
-/* -------- Private Methods ------------------------------- */
-
-long CdtmLoader::unpack_pattern(unsigned char *ibuf, long ilen, unsigned char *obuf, long olen)
-{
- unsigned char *input = ibuf;
- unsigned char *output = obuf;
-
- long input_length = 0;
- long output_length = 0;
-
- unsigned char repeat_byte, repeat_counter;
-
- // RLE
- while (input_length < ilen)
- {
- repeat_byte = input[input_length++];
-
- if ((repeat_byte & 0xF0) == 0xD0)
- {
- repeat_counter = repeat_byte & 15;
- repeat_byte = input[input_length++];
- }
- else
- repeat_counter = 1;
-
- for (int i=0;i<repeat_counter;i++)
- {
- if (output_length < olen)
- output[output_length++] = repeat_byte;
- }
- }
-
- return output_length;
-}