throwing projectile makes sound

include/AssetManager.h

@@ -24,7 +24,6 @@ public:
     SDL_Texture* getTexture(std::string id);
     Mix_Chunk* getSound(std::string id);
 
-
 private:
 
     Manager* man;

include/KeyboardController.h

@@ -3,6 +3,7 @@
 
 #include "Component.h"
 #include "Vector2D.h"
+#include "SoundManager.h"
 
 class TransformComponent;
 class SpriteComponent;
@@ -35,4 +36,6 @@ private:
 	//for creation of projectiles
 	TransformComponent* player; //for starting position of projectile
 	Vector2D fireVelocity; //decide source of projectile and flying direction
+	// SoundManager* soundEffect = Game::assets->getSound;
+	//SoundManager* soundEffect = new SoundManager();
 };

include/SoundManager.h

@@ -6,6 +6,12 @@
 
 #include "TextureManager.h"
 
+enum SoundTypes
+{
+	STEPS,
+	THROW_EGG,
+};
+
 class SoundManager
 {
 	public:
@@ -15,8 +21,8 @@ class SoundManager
 			return instance;
 		}
 
-	private:
 		SoundManager() {}
+	private:
 		~SoundManager() {
 			for (auto& it : this->sound_cache) {
 				Mix_FreeChunk(it.second);
@@ -27,7 +33,8 @@ class SoundManager
 		SoundManager(SoundManager const&) = delete;
 		void operator=(SoundManager const&) = delete;
 
-		std::map<const char*, Mix_Chunk*, cmp_str> sound_cache;
+		std::map<const char*, Mix_Chunk*> sound_cache;
 
 		Mix_Chunk* loadSound(const char* fileName);
+		static void playSound(SoundTypes sound);
 };

src/Game.cpp

@@ -41,6 +41,11 @@ void Game::init(const char* title, int xpos, int ypos, int width, int height, bo
 		return;
 	}
 
+	if (Mix_Init(MIX_INIT_MP3) != MIX_INIT_MP3) {
+		std::cout << "ERROR. Subsystem couldnt be initialized!" << std::endl;
+		return;
+	}
+
 	window = SDL_CreateWindow(title, xpos, ypos, width, height, flags);
 	if (!window)
 	{
@@ -68,6 +73,9 @@ void Game::init(const char* title, int xpos, int ypos, int width, int height, bo
 		return;
 	}
 
+	Mix_Volume(-1, MIX_MAX_VOLUME);
+	Mix_AllocateChannels(16);
+
 	//SDL_Event event;
 	bool hasQuit = false;
 

src/KeyboardController.cpp

@@ -69,6 +69,5 @@ void KeyboardController::update()
 
 			lastFireTime = currentTicks;
 		}
-
 	}
 }

src/ProjectileComponent.cpp

@@ -5,6 +5,7 @@
 void ProjectileComponent::init() 
 {
 	transformComponent = &entity->getComponent<TransformComponent>();
+    SoundManager::playSound(THROW_EGG);
 }
 
 void ProjectileComponent::update() 

src/SoundManager.cpp

@@ -2,18 +2,45 @@
 
 #include <stdexcept>
 #include <string>
+#include <iostream>
 
 #include "Game.h"
+#include "AssetManager.h"
 
 Mix_Chunk* SoundManager::loadSound(const char* fileName)
 {
 	auto it = this->sound_cache.find(fileName);
+
 	if (it != this->sound_cache.end()) {
 		return it->second;
 	}
+
 	auto sound = Mix_LoadWAV(fileName);
-	if (sound == NULL) throw std::runtime_error(std::string("Couldn't load sound '") + fileName + "'");
+
+	if (sound == NULL) 
+		throw std::runtime_error(std::string("Couldn't load sound '") + fileName + "'");
+	
 	this->sound_cache.emplace(fileName, sound);
+	
 	printf("Loaded sound at '%s'\n", fileName);
+	
 	return sound;
-}
+}
+
+void SoundManager::playSound(SoundTypes sound)
+{
+	switch (sound)
+	{
+		case SoundTypes::STEPS:
+			if (Mix_PlayChannel(-1, Game::assets->getSound("steps"), 0) == -1) {
+				std::cerr << "Error playing sound 'steps': " << Mix_GetError() << std::endl;
+			}
+			break;
+
+		case SoundTypes::THROW_EGG:
+			if (Mix_PlayChannel(-1, Game::assets->getSound("throw_egg"), 0) == -1) {
+				std::cerr << "Error playing sound 'throw_egg': " << Mix_GetError() << std::endl;
+			}
+			break;
+	}
+}

src/TransformComponent.cpp

@@ -1,6 +1,8 @@
 #include "TransformComponent.h"
 #include "Constants.h"
 
+#include "SoundManager.h"
+
 TransformComponent::TransformComponent()
 {
 	position.zero();