minetest/src/client/sound.cpp

98 lines
2.6 KiB
C++

/*
Minetest
Copyright (C) 2023 DS
This program 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 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "sound.h"
#include "filesys.h"
#include "log.h"
#include "porting.h"
#include "util/numeric.h"
#include <algorithm>
#include <string>
#include <vector>
std::vector<std::string> SoundFallbackPathProvider::
getLocalFallbackPathsForSoundname(const std::string &name)
{
std::vector<std::string> paths;
// only try each name once
if (m_done_names.count(name))
return paths;
m_done_names.insert(name);
addThePaths(name, paths);
// remove duplicates
std::sort(paths.begin(), paths.end());
auto end = std::unique(paths.begin(), paths.end());
paths.erase(end, paths.end());
return paths;
}
void SoundFallbackPathProvider::addAllAlternatives(const std::string &common,
std::vector<std::string> &paths)
{
paths.reserve(paths.size() + 11);
for (auto &&ext : {".ogg", ".0.ogg", ".1.ogg", ".2.ogg", ".3.ogg", ".4.ogg",
".5.ogg", ".6.ogg", ".7.ogg", ".8.ogg", ".9.ogg", }) {
paths.push_back(common + ext);
}
}
void SoundFallbackPathProvider::addThePaths(const std::string &name,
std::vector<std::string> &paths)
{
addAllAlternatives(porting::path_share + DIR_DELIM + "sounds" + DIR_DELIM + name, paths);
addAllAlternatives(porting::path_user + DIR_DELIM + "sounds" + DIR_DELIM + name, paths);
}
void ISoundManager::reportRemovedSound(sound_handle_t id)
{
if (id <= 0)
return;
freeId(id);
m_removed_sounds.push_back(id);
}
sound_handle_t ISoundManager::allocateId(u32 num_owners)
{
while (m_occupied_ids.find(m_next_id) != m_occupied_ids.end()
|| m_next_id == SOUND_HANDLE_T_MAX) {
m_next_id = static_cast<sound_handle_t>(
myrand() % static_cast<u32>(SOUND_HANDLE_T_MAX - 1) + 1);
}
sound_handle_t id = m_next_id++;
m_occupied_ids.emplace(id, num_owners);
return id;
}
void ISoundManager::freeId(sound_handle_t id, u32 num_owners)
{
auto it = m_occupied_ids.find(id);
if (it == m_occupied_ids.end())
return;
if (it->second <= num_owners)
m_occupied_ids.erase(it);
else
it->second -= num_owners;
}