Sound.cpp

#include "../headers/Sound.h"

bool Sound::getFileNames(string directory_path, vector<string>& file_names)
{
	HANDLE hFind;
	WIN32_FIND_DATA win32fd;
	string serch_name = directory_path + "\\*";

	hFind = FindFirstFile(serch_name.c_str(), &win32fd);

	if (hFind == INVALID_HANDLE_VALUE) {
		return false;
	}

	do {
		if (!(win32fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
			file_names.push_back(win32fd.cFileName);
		}
	} while (FindNextFile(hFind, &win32fd));

	FindClose(hFind);

	return true;
}

bool Sound::isNotFullWidthChar(string file_name)
{
	for (int i = 0; file_name.size(); i++) {
		if (file_name.c_str()[i] > 128) {
			return false;
		}
	}
	return true;
}

int Sound::add(string handle_name, string file_path)
{
	int handle = LoadSoundMem(file_path.c_str());
	mp[handle_name] = handle;

	return 0;
}

int Sound::addFromDirectory(string directory_path)
{
	vector<string> file_names;
	smatch m;


	if (!getFileNames(directory_path, file_names)) {
		return -1;
	}
	for (string name : file_names) {
		if (isNotFullWidthChar(name)) {
			regex_match(name, m, regex(R"((\w+)(\.))"));
			add(m[0].str(), m[0].str());
		}
	}

	return 0;
}

/// <summary>
/// Mapに格納した音声データを再生
/// </summary>
/// <param name="handle_name"></param>
/// <param name="playmode">
/// DX_PLAYTYPE_NORMAL : ノーマル再生,
/// DX_PLAYTYPE_BACK : バックグラウンド再生, 
/// DX_PLAYTYPE_LOOP : ループ再生
/// </param>
/// <returns></returns>
int Sound::play(string handle_name, int play_type)
{
	PlaySoundMem(mp[handle_name], play_type);
	return 0;
}

int Sound::stop(string handle_name)
{
	StopSoundMem(mp[handle_name]);
	return 0;
}

/// <summary>
/// Soundの音量を調整
/// </summary>
/// <param name="handle_name"></param>
/// <param name="volume">音量（0~100）</param>
/// <returns></returns>
int Sound::changeVolume(string handle_name, int volume)
{
	if (volume <= 100 && volume >= 0) {
		ChangeVolumeSoundMem(255 * volume / 100, mp[handle_name]);
		return 0;
	}
	else {
		return -1;
	}
}

int Sound::changeAllSoundVolume(int volume)
{
	if (volume <= 100 && volume >= 0) {
		for (auto itr = mp.begin(); itr != mp.end(); ++itr) {
			ChangeVolumeSoundMem(255 * volume / 100, itr->second);
		}
		return 0;
	}
	else {
		return -1;
	}
}

void Sound::finalize()
{
	InitSoundMem();
}