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/* 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 "scumm/imuse_digi/dimuse_engine.h"
#include "scumm/imuse_digi/dimuse_groups.h"
namespace Scumm {
IMuseDigiGroupsHandler::IMuseDigiGroupsHandler(IMuseDigital *engine) {
_engine = engine;
}
IMuseDigiGroupsHandler::~IMuseDigiGroupsHandler() {}
int IMuseDigiGroupsHandler::init() {
for (int i = 0; i < DIMUSE_MAX_GROUPS; i++) {
_effVols[i] = 127;
_vols[i] = 127;
}
return 0;
}
int IMuseDigiGroupsHandler::setGroupVol(int id, int volume) {
int l;
if (id >= DIMUSE_MAX_GROUPS) {
return -5;
}
if (volume == -1) {
return _vols[id];
}
if (volume > 127)
return -5;
if (id) {
_vols[id] = volume;
_effVols[id] = (_vols[0] * (volume + 1)) / 128;
} else {
_effVols[0] = volume;
_vols[0] = volume;
for (l = 1; l < DIMUSE_MAX_GROUPS; l++) {
_effVols[l] = (volume * (_vols[l] + 1)) / 128;
}
}
_engine->diMUSEUpdateGroupVolumes();
return _vols[id];
}
int IMuseDigiGroupsHandler::getGroupVol(int id) {
if (id >= DIMUSE_MAX_GROUPS) {
return -5;
}
return _effVols[id];
}
} // End of namespace Scumm
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