The open source repository for the action RPG game in development by Sig Productions titled 'Adventures in Lestoria'!
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127 lines
4.5 KiB
127 lines
4.5 KiB
#pragma region License
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/*
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License (OLC-3)
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~~~~~~~~~~~~~~~
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Copyright 2024 Joshua Sigona <sigonasr2@gmail.com>
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions or derivations of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions or derivative works in binary form must reproduce the above
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copyright notice. This list of conditions and the following disclaimer must be
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reproduced in the documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors may
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be used to endorse or promote products derived from this software without specific
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prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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Portions of this software are copyright © 2023 The FreeType
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Project (www.freetype.org). Please see LICENSE_FT.txt for more information.
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All rights reserved.
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*/
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#pragma endregion
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#pragma once
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#include "olcPGEX_MiniAudio.h"
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#include "config.h"
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#include <set>
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#include "safemap.h"
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using SongName=std::string;
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using Event=std::string;
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using ChannelName=std::string;
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using ChannelID=int;
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using ChannelIDList=std::vector<ChannelID>;
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using Volume=float;
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using VolumeList=std::vector<Volume>;
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class Audio{
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friend class AiL;
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public:
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static Audio&Self();
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static MiniAudio&Engine();
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static void Initialize();
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static void Update();
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static void Play(const std::string_view sound);
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[[nodiscard]]
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static const size_t LoadAndPlay(const std::string_view sound,const bool loop=true);
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//Play a BGM given a name found in bgm.txt configuration file.
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static void PlayBGM(const std::string_view sound,const bool loop=true);
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static void StopBGM();
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static const Event&GetAudioEvent();
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static const SongName&GetTrackName();
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static void SetAudioEvent(const Event&eventName);
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static const bool BGMIsPlaying();
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static const bool BGMFullyLoaded(); //Fully loaded means when the audio buffer has finished filling up, which means sound is now playing.
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static void SetBGMVolume(float vol);
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static void SetSFXVolume(float vol);
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static float&GetBGMVolume();
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static float&GetSFXVolume();
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private:
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struct BGMPlayParams{
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std::string sound;
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bool loop;
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};
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class EventData{
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public:
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void AddEventInfo(const Event&eventName,const VolumeList&volumes);
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const VolumeList&GetVolumes(const Event&event)const;
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private:
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std::map<Event,VolumeList>eventInfo;
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};
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static float bgmVol;
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static float sfxVol;
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class BGM{
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public:
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void Load();
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const size_t GetChannelCount()const;
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const std::vector<ChannelName>&GetChannels()const;
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const SongName&GetName()const;
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const Volume&GetVolume(const Event&eventName,const ChannelID&id)const;
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void SetName(std::string_view name);
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void SetFileName(std::string_view name);
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void AddChannel(const ChannelName&name);
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void AddEventVolumes(const Event&eventName,const VolumeList&volumes);
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void SetFadeTime(const float fadeTime);
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const ChannelID&GetChannelID(const int index);
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const ChannelIDList&GetChannelIDs()const;
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const float&GetFadeTime()const;
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private:
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std::string songName; //Name of the track.
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std::string songFileName; //Name of the key in bgm.
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ChannelIDList channels;
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std::vector<ChannelName>channelNames;
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EventData eventVolumes;
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float fadeTime="BGM.Default Fade Time"_F;
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void Unload();
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};
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private:
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MiniAudio audioEngine;
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SongName currentBGM="";
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safemap<SongName,BGM>bgm;
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std::set<Event>events;
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static float defaultFadeTime;
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Event currentAudioEvent="Default Volume";
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std::vector<float>prevVolumes;
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std::vector<float>targetVolumes;
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float fadeToTargetVolumeTime=0.f;
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bool fullyLoaded=true;
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float playBGMWaitTime=0.0f;
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BGMPlayParams playParams;
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};
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std::string operator""_SFX(const char*key,size_t length); |