72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "ultima/nuvie/sound/adplug/adplug_player.h"
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#include "ultima/nuvie/sound/adplug/silent_opl.h"
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namespace Ultima {
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namespace Nuvie {
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/***** CPlayer *****/
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const unsigned short CPlayer::note_table[12] =
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{363, 385, 408, 432, 458, 485, 514, 544, 577, 611, 647, 686};
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const unsigned char CPlayer::op_table[9] =
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{0x00, 0x01, 0x02, 0x08, 0x09, 0x0a, 0x10, 0x11, 0x12};
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CPlayer::CPlayer(Copl *newopl)
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: opl(newopl) {
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}
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CPlayer::~CPlayer() {
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}
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unsigned long CPlayer::songlength(int subsong) {
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CSilentopl tempopl;
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Copl *saveopl = opl;
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float slength = 0.0f;
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// save original OPL from being overwritten
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opl = &tempopl;
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// get song length
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rewind(subsong);
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while (update() && slength < 600000) // song length limit: 10 minutes
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slength += 1000.0f / getrefresh();
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rewind(subsong);
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// restore original OPL and return
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opl = saveopl;
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return (unsigned long)slength;
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}
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void CPlayer::seek(unsigned long ms) {
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float pos = 0.0f;
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rewind();
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while (pos < ms && update()) // seek to new position
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pos += 1000 / getrefresh();
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}
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} // End of namespace Nuvie
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} // End of namespace Ultima
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