Adventures in Lestoria/AdventuresInLestoria.cpp

@@ -137,8 +137,9 @@ AiL::AiL()
 	std::string ITEM_STATS_CONFIG = CONFIG_PATH + "item_stats_config"_S;
 	utils::datafile::Read(DATA,ITEM_STATS_CONFIG);
 
-	for(auto&[key,value]:DATA.GetProperty("ItemConfiguration").GetKeys()){
-		std::string config = DATA["ItemConfiguration"][key].GetString();
+	auto keys=DATA.GetProperty("ItemConfiguration");
+	for(auto&[key,value]:keys){
+		std::string config=DATA["ItemConfiguration"][key].GetString();
 		utils::datafile::Read(DATA,CONFIG_PATH + "item_directory"_S + config);
 	}
 
@@ -150,6 +151,12 @@ AiL::AiL()
 		utils::datafile::Read(DATA,CONFIG_PATH + "class_directory"_S + cl + ".txt");
 	}
 
+	std::string BGM_CONFIG = CONFIG_PATH + "bgm_config"_S;
+	utils::datafile::Read(DATA,BGM_CONFIG);
+
+	std::string BGM_EVENTS_CONFIG = CONFIG_PATH + "event_config"_S;
+	utils::datafile::Read(DATA,BGM_EVENTS_CONFIG);
+
 	utils::datafile::DEBUG_ACCESS_OPTIONS="debug_access_options"_I;
 
 	sAppName = "GAME_NAME"_S;
@@ -236,6 +243,8 @@ bool AiL::OnUserCreate(){
 
 	Stats::InitializeDamageReductionTable();
 
+	Audio::Initialize();
+
 	utils::datafile::INITIAL_SETUP_COMPLETE=true;
 
 	ValidateGameStatus(); //Checks to make sure everything has been initialized properly.

Adventures in Lestoria/Audio.cpp

@@ -40,6 +40,64 @@ All rights reserved.
 #include "DEFINES.h"
 
 INCLUDE_game
+INCLUDE_DATA
+
+float Audio::defaultFadeTime;
+
+void Audio::Initialize(){
+	Self().events.insert("Default Volume");
+	for(auto&[key,data]:DATA["Events"]){
+		Self().events.insert(key);
+	}
+	for(auto&[songFileName,size]:DATA["BGM"]){
+		auto&data=DATA["BGM"][songFileName];
+		if(songFileName!="Default Fade Time"){
+			int channelCounter=0;
+
+			BGM&bgm=Self().bgm[songFileName];
+
+			bgm.SetFileName(songFileName);
+			bgm.SetName(data["Track Name"].GetString());
+
+			while(data.HasProperty(std::format("channel[{}]",channelCounter))){
+				std::string channelName=data[std::format("channel[{}]",channelCounter)].GetString();
+				if(!std::filesystem::exists("bgm_directory"_S+channelName))ERR(std::format("WARNING! Could not load file {} for track {}",channelName,songFileName));
+				bgm.AddChannel(channelName);
+				channelCounter++;
+			}
+
+			if(!data.HasProperty("Default Volume"))ERR(std::format("WARNING! Track {} does not have a Default Volume parameter!",bgm.GetName()));
+			if(data["Default Volume"].GetValueCount()!=bgm.GetChannelCount())ERR(std::format("WARNING! Default Volume parameters do not match channel count. {} != {}",data["Default Volume"].GetValueCount(),bgm.GetChannelCount()));
+		
+			VolumeList volumes;
+			for(int i=0;i<data["Default Volume"].GetValueCount();i++){
+				volumes.push_back(data["Default Volume"].GetInt(i)/100.f);
+			}
+			bgm.AddEventVolumes("Default Volume",volumes);
+
+			if(data.HasProperty("Fade Time")){
+				bgm.SetFadeTime(data["Fade Time"].GetReal());
+			}else{
+				bgm.SetFadeTime(defaultFadeTime);
+			}
+
+
+			if(data.HasProperty("Events")){
+				for(auto&[eventName,size]:DATA["Events"]){
+					auto&eventData=data["Events"][eventName];
+					if(eventData.GetValueCount()!=bgm.GetChannelCount())ERR(std::format("WARNING! {} parameters do not match channel count. {} != {}",eventName,eventData.GetValueCount(),bgm.GetChannelCount()));
+					VolumeList volumes;
+					for(int i=0;i<eventData.GetValueCount();i++){
+						volumes.push_back(eventData.GetInt(i)/100.f);
+					}
+					bgm.AddEventVolumes(eventName,volumes);
+				}
+			}
+		}else{
+			defaultFadeTime=data.GetReal();
+		}
+	}
+}
 
 MiniAudio&Audio::Engine(){
 	return game->audioEngine.audioEngine;
@@ -47,14 +105,127 @@ MiniAudio&Audio::Engine(){
 void Audio::Play(const std::string_view sound){
 	Engine().Play(std::string(sound));
 };
-void Audio::PlayBGM(const std::string_view sound,const bool loop=true){
-	if(Engine().LoadS)
-	Engine().Play(std::string(sound));	
+void Audio::PlayBGM(const std::string_view sound,const bool loop){
+	BGM&track=Self().bgm[std::string(sound)];
+	StopBGM(); //Stop any currently playing track.
+	track.Load();
+	for(int channelListIndex=0;int trackID:track.GetChannelIDs()){
+		Engine().SetVolume(trackID,track.GetVolume(Self().currentAudioEvent,channelListIndex));
+		Engine().Play(trackID,loop);
+		channelListIndex++;
+	}
 };
 
+void Audio::StopBGM(){
+	if(Self().BGMIsPlaying()){
+		BGM&currentTrack=Self().bgm[Self().currentBGM];
+		for(int trackID:currentTrack.GetChannelIDs()){
+			Engine().Stop(trackID);
+		}
+	}
+}
+
+const bool Audio::BGMIsPlaying(){
+	return Self().currentBGM.length()>0;
+}
+
+const Volume&Audio::BGM::GetVolume(const Event&eventName,const ChannelID&id)const{
+	return eventVolumes.GetVolumes(eventName).at(id);
+}
+
+void Audio::BGM::Load(){
+	BGM&bgm=Self().bgm[Self().currentBGM];
+	if(Self().BGMIsPlaying()){
+		bgm.Unload();
+	}
+	Self().currentBGM=songFileName;
+	BGM&newBgm=Self().bgm[songFileName];
+	if(newBgm.channels.size()>0)ERR(std::format("WARNING! The size of the channels list is greater than zero! Size: {}",bgm.channels.size()));
+	for(const ChannelName&channel:newBgm.GetChannels()){
+		ChannelID soundID=Engine().LoadSound("bgm_directory"_S+channel);
+		newBgm.channels.push_back(soundID);
+	}
+}
+
+void Audio::BGM::Unload(){
+	BGM&bgm=Self().bgm[Self().currentBGM];
+	for(const ChannelID&id:channels){
+		Engine().UnloadSound(id);
+	}
+	channels.clear();
+	Self().currentBGM="";
+}
+
+const ChannelID&Audio::BGM::GetChannelID(const int index){
+	return channels[index];
+}
+
+const ChannelIDList&Audio::BGM::GetChannelIDs()const{
+	return channels;
+}
+
+const std::vector<ChannelName>&Audio::BGM::GetChannels()const{
+	return channelNames;
+}
+
+void Audio::BGM::SetFadeTime(const float fadeTime){
+	this->fadeTime=fadeTime;
+}
+
+void Audio::BGM::AddEventVolumes(const Event&eventName,const VolumeList&volumes){
+	eventVolumes.AddEventInfo(eventName,volumes);
+}
+
+const size_t Audio::BGM::GetChannelCount()const{
+	return channelNames.size();
+}
+
+const SongName&Audio::BGM::GetName()const{
+	return songName;
+}
+
+void Audio::BGM::SetName(std::string_view name){
+	songName=name;
+}
+
+void Audio::BGM::SetFileName(std::string_view name){
+	songFileName=name;
+}
+
+void Audio::BGM::AddChannel(const ChannelName&name){
+	channelNames.push_back(name);
+}
+
+const VolumeList&Audio::EventData::GetVolumes(const Event&event)const{
+	if(eventInfo.find(event)!=eventInfo.end())return eventInfo.at(event);
+	return eventInfo.at("Default Volume");
+}
+
+void Audio::EventData::AddEventInfo(const Event&eventName,const VolumeList&volumes){
+	eventInfo[eventName]=volumes;
+}
+
+Audio&Audio::Self(){
+	return game->audioEngine;
+}
+
+const Event&Audio::GetAudioEvent(){
+	return Self().currentAudioEvent;
+}
+void Audio::SetAudioEvent(const Event&eventName){
+	if(Self().events.find(eventName)==Self().events.end())ERR(std::format("WARNING! cannot find event {}",eventName));
+
+	Self().currentAudioEvent=eventName;
+	
+	if(Audio::BGMIsPlaying()){
+		BGM&currentBgm=Self().bgm[Self().currentBGM];
+		for(int currentTrackIndex=0;int trackID:currentBgm.GetChannelIDs()){
+			Engine().SetVolume(trackID,currentBgm.GetVolume(eventName,currentTrackIndex));
+			currentTrackIndex++;
+		}
+	}
+}
+
 std::string operator""_SFX(const char*key,size_t length){
 	return "sfx_directory"_S+std::string(key,length);
 }
-std::string operator""_BGM(const char*key,size_t length){
-	return "bgm_directory"_S+std::string(key,length);
-}

Adventures in Lestoria/Audio.h

@@ -38,20 +38,66 @@ All rights reserved.
 #pragma once
 #include "olcPGEX_MiniAudio.h"
 #include "config.h"
+#include <set>
+
+using SongName=std::string;
+using Event=std::string;
+using ChannelName=std::string;
+using ChannelID=int;
+using ChannelIDList=std::vector<ChannelID>;
+using Volume=float;
+using VolumeList=std::vector<Volume>;
 
 class Audio{
-	class BGM{
-		std::vector<int>channels;
-		public:
-		Load();
-		Unload();
-	};
-	MiniAudio audioEngine;
 public:
+	static Audio&Self();
 	static MiniAudio&Engine();
+	static void Initialize();
 	static void Play(const std::string_view sound);
+	//Play a BGM given a name found in bgm.txt configuration file.
 	static void PlayBGM(const std::string_view sound,const bool loop=true);
+	static void StopBGM();
+	static const Event&GetAudioEvent();
+	static void SetAudioEvent(const Event&eventName);
+	static const bool BGMIsPlaying();
+private:
+	class EventData{
+	public:
+		void AddEventInfo(const Event&eventName,const VolumeList&volumes);
+		const VolumeList&GetVolumes(const Event&event)const;
+	private:
+		std::map<Event,VolumeList>eventInfo;
+	};
+	class BGM{
+	public:
+		void Load();
+		const size_t GetChannelCount()const;
+		const std::vector<ChannelName>&GetChannels()const;
+		const SongName&GetName()const;
+		const Volume&GetVolume(const Event&eventName,const ChannelID&id)const;
+		void SetName(std::string_view name);
+		void SetFileName(std::string_view name);
+		void AddChannel(const ChannelName&name);
+		void AddEventVolumes(const Event&eventName,const VolumeList&volumes);
+		void SetFadeTime(const float fadeTime);
+		const ChannelID&GetChannelID(const int index);
+		const ChannelIDList&GetChannelIDs()const;
+	private:
+		std::string songName; //Name of the track.
+		std::string songFileName; //Name of the key in bgm.
+		ChannelIDList channels;
+		std::vector<ChannelName>channelNames;
+		EventData eventVolumes;
+		float fadeTime="BGM.Default Fade Time"_F;
+		void Unload();
+	};
+private:
+	MiniAudio audioEngine;
+	SongName currentBGM="";
+	std::map<SongName,BGM>bgm;
+	std::set<Event>events;
+	static float defaultFadeTime;
+	Event currentAudioEvent="Default Volume";
 };
 
 std::string operator""_SFX(const char*key,size_t length);
-std::string operator""_BGM(const char*key,size_t length);

Adventures in Lestoria/State_OverworldMap.cpp

@@ -109,6 +109,24 @@ void State_OverworldMap::OnUserUpdate(AiL*game){
 	if(game->GetKey(K1).bPressed){
 		Audio::Play("sfx100v2_loop_water_01.mp3"_SFX);
 	}
+	if(game->GetKey(F1).bPressed){
+		Audio::PlayBGM("foresty1_1");
+	}else
+	if(game->GetKey(F2).bPressed){
+		Audio::PlayBGM("foresty0");
+	}
+	if(game->GetKey(K2).bPressed){
+		Audio::SetAudioEvent("Default Volume");
+	}
+	if(game->GetKey(K3).bPressed){
+		Audio::SetAudioEvent("LowHealth");
+	}
+	if(game->GetKey(K4).bPressed){
+		Audio::SetAudioEvent("InCombat");
+	}
+	if(game->GetKey(K5).bPressed){
+		Audio::SetAudioEvent("Underwater");
+	}
 
 	#pragma region Handle Connection Point Clicking and Movement
 		for(ConnectionPoint&cp:connections){

Adventures in Lestoria/TODO.txt

@@ -18,7 +18,7 @@ Settings Menu
 		-Upon pressing a key, check if the key is bound to another option, if so,
 			remove that bind from the list. Up to two keys may be binded per action.
 		-We have to save keybinds to the save file.
-
+-Smooth Movement
 
 January 31st
 ============
@@ -42,3 +42,5 @@ Story proofreading/correcting/storyboarding
 - Title Screen setpieces
 
 - Export/Import Save Files Online/Offline
+
+- Consider controls for fine-tuning music and how they sound during events.

Adventures in Lestoria/Version.h

@@ -39,7 +39,7 @@ All rights reserved.
 #define VERSION_MAJOR 0
 #define VERSION_MINOR 2
 #define VERSION_PATCH 1
-#define VERSION_BUILD 5353
+#define VERSION_BUILD 5379
 
 #define stringify(a) stringify_(a)
 #define stringify_(a) #a

Adventures in Lestoria/assets/config/bgm/bgm.txt

@@ -1,6 +1,12 @@
-#Song title followed by filenames for individual parts
-foresty1_1
+BGM
 {
+	Default Fade Time = 1.0
+
+	#Song title followed by filenames for individual parts
+	foresty1_1
+	{
+		Track Name = Foresty
+
 		# High
 		channel[0]=foresty1_1_1.mp3
 		# Low
@@ -14,7 +20,7 @@ foresty1_1
 		Default Volume = 70%,50%,0%,0%
 
 		# Transition time between one phase to the next.
-	Fade Speed = 2.0
+		Fade Time = 2.0
 
 		Events
 		{
@@ -22,4 +28,24 @@ foresty1_1
 			InCombat = 90%,100%,0%,0%
 			Underwater = 0%,0%,100%,100%
 		}
+	}
+	foresty0
+	{
+		Track Name = Foresty Preview
+
+		channel[0]=foresty0.mp3
+		channel[1]=foresty0_alt.mp3
+
+		Default Volume = 70%,0%
+
+		# Transition time between one phase to the next.
+		Fade Time = 2.0
+
+		Events
+		{
+			LowHealth = 50%,20%
+			InCombat = 100%,0%
+			Underwater = 0%,100%
+		}
+	}
 }

Adventures in Lestoria/assets/config/configuration.txt

@@ -66,10 +66,10 @@ sfx_directory = assets/sounds/
 bgm_directory = assets/music/
 
 # Path to bgm configuration
-bgm_config = bgm.txt
+bgm_config = bgm/bgm.txt
 
 # Path to bgm events configuration
-event_config = events.txt
+event_config = bgm/events.txt
 
 # Path to character images
 character_image_location = characters/