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