Merge pull request #17 from devZoGok/ft-16-sound-manager

Ft 16 sound manager

.gitmodules

@@ -7,3 +7,6 @@
 [submodule "external/sol2"]
 	path = external/sol2
 	url = https://github.com/ThePhD/sol2
+[submodule "external/SFML"]
+	path = external/SFML
+	url = [email protected]:SFML/SFML.git

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.2)
+cmake_minimum_required(VERSION 3.5)
 project(gameBase)
 
 set(CMAKE_BUILD_TYPE Debug)
@@ -6,7 +6,7 @@ cmake_policy(SET CMP0015 NEW)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 set(states abstractAppState.cpp)
-set(core inputManager.cpp mapping.h stateManager.cpp)
+set(core inputManager.cpp mapping.h stateManager.cpp soundManager.cpp)
 set(util solUtil.cpp util.cpp)
 
 set(LIB_NAME gameBase)
@@ -25,4 +25,10 @@ set(SOL_DIR external/sol2)
 add_subdirectory(${SOL_DIR})
 target_include_directories(${LIB_NAME} PUBLIC ${SOL_DIR}/include)
 
-target_link_libraries(${LIB_NAME} glfw lua::lib)
+set(SFML_DIR external/SFML)
+add_subdirectory(${SFML_DIR})
+set(SFML_LIB_DIR build/${SFML_DIR}/src)
+target_include_directories(${LIB_NAME} PUBLIC ${SFML_DIR}/include)
+target_link_directories(${LIB_NAME} PUBLIC ${SFML_LIB_DIR})
+
+target_link_libraries(${LIB_NAME} sfml-system sfml-audio glfw lua::lib)

soundManager.cpp

@@ -0,0 +1,94 @@
+#include "soundManager.h"
+
+#include <SFML/Audio.hpp>
+
+#include <algorithm>
+#include <random>
+
+namespace gameBase{
+	using namespace std;
+
+	SoundManager::Track::Track(string p) : path(p){
+		soundObj = new sf::Music(p);
+		soundObj->openFromFile(p.c_str());
+	}
+
+	static SoundManager* soundManager = nullptr;
+
+	SoundManager* SoundManager::getSingleton(){
+		if(soundManager == nullptr)
+			soundManager = new SoundManager();
+
+		return soundManager;
+	}
+
+	void SoundManager::update(){
+		if(!currentPlaylistTracks.empty()){
+			sf::SoundSource::Status status = currentPlaylistTracks[currentTrackId].soundObj->getStatus();
+
+			if(status == sf::SoundSource::Status::Stopped){
+				if(getTime() - lastPlayTime < trackDelay) return;
+
+				bool lastTrack = (currentTrackId == currentPlaylistTracks.size() - 1);
+
+				if(lastTrack && loop)
+					currentTrackId = 0;
+				else if(lastTrack && !loop)
+					clearPlaylist();
+				else if(!lastTrack)
+					currentTrackId++;
+
+				if(!currentPlaylistTracks.empty()){
+					currentPlaylistTracks[currentTrackId].soundObj->play();
+					currentPlaylistTracks[currentTrackId].soundObj->setVolume(volume);
+					currentPlaylistTracks[currentTrackId].soundObj->setLooping(false);
+				}
+			}
+			else if(status == sf::SoundSource::Status::Playing)
+				lastPlayTime = getTime();
+		}
+	}
+
+	void SoundManager::clearPlaylist(){
+		for(Track &track : currentPlaylistTracks)
+			delete track.soundObj;
+		
+		currentPlaylistTracks.clear();
+		originalPlaylist.clear();
+	}
+
+	void SoundManager::play(vector<string> playlist, int volume, int trackDelay, bool loop, bool shuffle){
+		bool samePlaylist = (playlist.size() == originalPlaylist.size());
+
+		if(samePlaylist)
+			for(int i = 0; i < originalPlaylist.size(); i++)
+				if(originalPlaylist[i] != playlist[i]){
+					samePlaylist = false;
+					break;
+				}
+
+		if(samePlaylist) return;
+
+		this->loop = loop;
+		this->shuffle = shuffle;
+		this->volume = volume;
+		this->trackDelay = trackDelay;
+
+		clearPlaylist();
+
+		for(string path : playlist)
+			currentPlaylistTracks.push_back(Track(path));
+
+		if(shuffle){
+			random_device rd;
+    		mt19937 g(rd());
+			std::shuffle(currentPlaylistTracks.begin(), currentPlaylistTracks.end(), g);
+		}
+
+		originalPlaylist = playlist;
+		currentTrackId = 0;
+		currentPlaylistTracks[currentTrackId].soundObj->play();
+		currentPlaylistTracks[currentTrackId].soundObj->setVolume(volume);
+		currentPlaylistTracks[currentTrackId].soundObj->setLooping(false);
+	}
+}

soundManager.h

@@ -0,0 +1,37 @@
+#ifndef SOUND_MANAGER_H
+#define SOUND_MANAGER_H
+
+#include <string>
+#include <vector>
+
+#include "util.h"
+
+namespace sf{
+	class Music;
+}
+
+namespace gameBase{
+	class SoundManager{
+		public:
+			static SoundManager* getSingleton();
+			void update();
+			void play(std::vector<std::string>, int, int, bool, bool);
+			void clearPlaylist();
+		private:
+			struct Track{
+				std::string path = ""; 
+				sf::Music *soundObj = nullptr;
+
+				Track(std::string);
+			};
+			SoundManager(){}
+			
+			int currentTrackId = 0, volume, trackDelay;
+			bool loop, shuffle;
+			s64 lastPlayTime = 0;
+			std::vector<Track> currentPlaylistTracks;
+			std::vector<std::string> originalPlaylist;
+	};
+}
+
+#endif