Fixed OpenAL Clean-up device. Added playBGM-event.

include/Sound/EPlayBGM.h

@@ -0,0 +1,25 @@
+#ifndef EVENTS_EPLAYBGM_H__
+#define EVENTS_EPLAYBGM_H__
+
+#include "Core/EventBroker.h"
+
+namespace dd
+{
+
+namespace Events
+{
+
+struct PlayBGM : public Event
+{
+    std::string path;
+    float volume = 1;
+    //TODO: Rethink this
+    bool SupportBGM;
+};
+
+}
+
+}
+
+#endif
+

include/Sound/SoundSystem.h

@@ -8,6 +8,7 @@
 #include "Core/World.h"
 #include "Sound.h"
 #include "Sound/EPlaySFX.h"
+#include "Sound/EPlayBGM.h"
 #include "Physics/EContact.h"
 #include "Core/EventBroker.h"
 #include "Game/CBall.h"
@@ -36,15 +37,19 @@ private:
     //Events
     dd::EventRelay<SoundSystem, dd::Events::PlaySFX> m_EPlaySFX;
     dd::EventRelay<SoundSystem, dd::Events::Contact> m_EContact;
+    dd::EventRelay<SoundSystem, dd::Events::PlayBGM> m_EPlayBGM;
     bool OnPlaySFX(const dd::Events::PlaySFX &event);
     bool OnContact(const dd::Events::Contact &event);
+    bool OnPlayBGM(const dd::Events::PlayBGM &event);
+
     ALuint CreateSource();
 
-    std::map<Component*, ALuint> m_Sources;
+    std::map<ALuint, ALuint> m_SourcesToBuffers;
+
+    ALCdevice* m_Device;
 
-    //std::list<ALuint>
     //Temp
-    ALuint m_Source;
+    ALuint m_Source, m_BGMSource, m_BGMSupportSource;
 
 };
 }

src/game/Sound/SoundSystem.cpp

@@ -5,15 +5,16 @@ dd::Systems::SoundSystem::~SoundSystem()
 {
     alSourcei(m_Source, AL_BUFFER, 0);
     alDeleteSources(1, &m_Source);
+    alcCloseDevice(m_Device);
 }
 
 void dd::Systems::SoundSystem::Initialize()
 {   //initialize OpenAL
-    ALCdevice* device = alcOpenDevice(NULL);
+    m_Device = alcOpenDevice(NULL);
     ALCcontext* context;
 
-    if (device) {
-        context = alcCreateContext(device, NULL);
+    if (m_Device) {
+        context = alcCreateContext(m_Device, NULL);
         alcMakeContextCurrent(context);
     }
     else {
@@ -22,8 +23,10 @@ void dd::Systems::SoundSystem::Initialize()
 
     alGetError();
 
-    //Create source
+    //Create sources
     m_Source = CreateSource();
+    m_BGMSource = CreateSource();
+    m_BGMSupportSource = CreateSource();
 
     alSpeedOfSound(340.29f); // Speed of sound m/s
     alDistanceModel(AL_INVERSE_DISTANCE_CLAMPED);
@@ -35,6 +38,19 @@ void dd::Systems::SoundSystem::Initialize()
     //Subscribe to events
     EVENT_SUBSCRIBE_MEMBER(m_EContact, &SoundSystem::OnContact);
     EVENT_SUBSCRIBE_MEMBER(m_EPlaySFX, &SoundSystem::OnPlaySFX);
+    EVENT_SUBSCRIBE_MEMBER(m_EPlayBGM, &SoundSystem::OnPlayBGM);
+
+    //Todo: Move this
+    dd::Events::PlayBGM e;
+    e.path = "Sounds/BGM/soft-guitar.wav";
+    e.SupportBGM = false;
+    EventBroker->Publish(e);
+
+    dd::Events::PlayBGM e2;
+    e2.path = "Sounds/BGM/water-flowing.wav";
+    e2.SupportBGM = true;
+    e2.volume = 0.1;
+    EventBroker->Publish(e2);
 }
 
 void dd::Systems::SoundSystem::Update(double dt)
@@ -42,22 +58,40 @@ void dd::Systems::SoundSystem::Update(double dt)
 
 }
 
-bool dd::Systems::SoundSystem::OnPlaySFX(const dd::Events::PlaySFX &event)
+bool dd::Systems::SoundSystem::OnPlayBGM(const dd::Events::PlayBGM &event)
 {
-    //m_Source = CreateSource();
     Sound *sound = ResourceManager::Load<Sound>(event.path);
     ALuint buffer = sound->Buffer();
-    alSourcei(m_Source, AL_BUFFER, buffer);
-    alSourcePlay(m_Source);
+    ALuint source = CreateSource();
+
+    alSourcei(source, AL_BUFFER, buffer);
+    alSourcei(source, AL_LOOPING, AL_TRUE);
+    alSourcef(source, AL_GAIN, event.volume);
+    alSourcePlay(source);
+
+    m_SourcesToBuffers[source] = buffer;
+}
+
+bool dd::Systems::SoundSystem::OnPlaySFX(const dd::Events::PlaySFX &event)
+{
+    Sound *sound = ResourceManager::Load<Sound>(event.path);
+    ALuint buffer = sound->Buffer();
+    ALuint source = CreateSource();
+
+    alSourcei(source, AL_BUFFER, buffer);
+    alSourcei(source, AL_LOOPING, AL_FALSE);
+    alSourcePlay(source);
+
+    m_SourcesToBuffers[source] = buffer;
 }
 
 bool dd::Systems::SoundSystem::OnContact(const dd::Events::Contact &event)
 {
     //Check which entity has the collisionSound component.
     auto collisionSound = m_World->GetComponent<Components::CollisionSound>(event.Entity1);
-    if (collisionSound == NULL) {
+    if (collisionSound == nullptr) {
         collisionSound = m_World->GetComponent<Components::CollisionSound>(event.Entity2);
-        if (collisionSound == NULL) {
+        if (collisionSound == nullptr) {
             //None of the entities had a collisionSound component.
             return false;
         }