Files
scummvm-cursorfix/engines/ultima/nuvie/sound/adplug/adplug_player.cpp
2026-02-02 04:50:13 +01:00

72 lines
1.9 KiB
C++

/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "ultima/nuvie/sound/adplug/adplug_player.h"
#include "ultima/nuvie/sound/adplug/silent_opl.h"
namespace Ultima {
namespace Nuvie {
/***** CPlayer *****/
const unsigned short CPlayer::note_table[12] =
{363, 385, 408, 432, 458, 485, 514, 544, 577, 611, 647, 686};
const unsigned char CPlayer::op_table[9] =
{0x00, 0x01, 0x02, 0x08, 0x09, 0x0a, 0x10, 0x11, 0x12};
CPlayer::CPlayer(Copl *newopl)
: opl(newopl) {
}
CPlayer::~CPlayer() {
}
unsigned long CPlayer::songlength(int subsong) {
CSilentopl tempopl;
Copl *saveopl = opl;
float slength = 0.0f;
// save original OPL from being overwritten
opl = &tempopl;
// get song length
rewind(subsong);
while (update() && slength < 600000) // song length limit: 10 minutes
slength += 1000.0f / getrefresh();
rewind(subsong);
// restore original OPL and return
opl = saveopl;
return (unsigned long)slength;
}
void CPlayer::seek(unsigned long ms) {
float pos = 0.0f;
rewind();
while (pos < ms && update()) // seek to new position
pos += 1000 / getrefresh();
}
} // End of namespace Nuvie
} // End of namespace Ultima