working controller input

-> does not work for main menu navigation

include/Constants.h

@@ -11,6 +11,7 @@ constexpr std::size_t MAX_COMPONENTS = 32;
 constexpr std::size_t MAX_GROUPS = 32;
 constexpr std::size_t MAX_STATS = 8;
 constexpr std::size_t MAX_TEAMS = 8;
+constexpr std::size_t MAX_GAME_CONTROLLERS = 4;
 
 constexpr int SCREEN_SIZE_HEIGHT = 640;
 constexpr int SCREEN_SIZE_WIDTH = 800;

include/KeyboardController.h

@@ -2,10 +2,13 @@
 #include <SDL.h>
 
 #include "Component.h"
+#include "SDL_gamecontroller.h"
 #include "Vector2D.h"
 #include "Constants.h"
 #include "SoundManager.h"
 
+#define MIN_JOYSTICK_INPUT 4096 // dpad stuck as -129 after input
+
 class TransformComponent;
 class SpriteComponent;
 
@@ -13,12 +16,16 @@ class KeyboardController : public Component
 {
 public:
 	TransformComponent* transform;
+
+	SDL_GameController* gameController;
+	/*
 	const uint8_t* keystates = SDL_GetKeyboardState(NULL);
 	SDL_Scancode up;
 	SDL_Scancode down;
 	SDL_Scancode left;
 	SDL_Scancode right;
 	SDL_Scancode fire;
+	*/
 
 	SpriteComponent* sprite;
 
@@ -27,7 +34,7 @@ public:
 	uint32_t fireCooldown = 1000; //in ms can be adjusted to change possible attack-speed
 	
 	KeyboardController() = default;
-	KeyboardController(SDL_Scancode up, SDL_Scancode down, SDL_Scancode left, SDL_Scancode right, SDL_Scancode fire, Vector2D fireVelocity);
+	KeyboardController(SDL_GameController* gameController, Vector2D fireVelocity);
 	~KeyboardController() = default;
 
 	void init() override;

src/Game.cpp

@@ -9,6 +9,8 @@
 #include "Entity.h"
 #include "HealthComponent.h"
 #include "Map.h"
+#include "SDL_gamecontroller.h"
+#include "SDL_joystick.h"
 #include "TextureManager.h"
 #include "StatEffectsComponent.h"
 #include "Constants.h"
@@ -21,6 +23,7 @@ TextureManager* Game::textureManager = new TextureManager();
 SoundManager* Game::soundManager = new SoundManager();
 
 CollisionHandler* Game::collisionHandler = new CollisionHandler(manager);
+std::array<SDL_GameController*, MAX_GAME_CONTROLLERS> gameControllers;
 
 SDL_Renderer* Game::renderer = nullptr;
 
@@ -37,6 +40,7 @@ Game::~Game() = default;
 
 void Game::init(const char* title, int xpos, int ypos, int width, int height, bool fullscreen)
 {
+	SDL_SetHint(SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS,"1");
 	int flags = 0;
 	if (fullscreen)
 	{
@@ -50,6 +54,15 @@ void Game::init(const char* title, int xpos, int ypos, int width, int height, bo
 		return;
 	}
 
+	for (int i = 0, c = 0; i < SDL_NumJoysticks(); i++) {
+		if (SDL_IsGameController(i)) {
+			gameControllers.at(c++) = SDL_GameControllerOpen(i);
+		}
+		if (c > MAX_GAME_CONTROLLERS) {
+			break;
+		}
+	}
+
 	if (Mix_Init(MIX_INIT_MP3) != MIX_INIT_MP3) {
 		std::cout << "ERROR. Subsystem couldnt be initialized!" << std::endl;
 		return;
@@ -162,7 +175,7 @@ void Game::init(const char* title, int xpos, int ypos, int width, int height, bo
 	player1.setTeam(TeamLabel::BLUE);
 	player1.addComponent<TransformComponent>(80,80,2); //posx, posy, scale
 	player1.addComponent<SpriteComponent>(player1Sprite, true); //adds sprite (32x32px), path needed
-	player1.addComponent<KeyboardController>(SDL_SCANCODE_W, SDL_SCANCODE_S, SDL_SCANCODE_A, SDL_SCANCODE_D, SDL_SCANCODE_E, Vector2D(2, 0));//custom keycontrols can be added
+	player1.addComponent<KeyboardController>(gameControllers.at(0), Vector2D(2, 0));//custom keycontrols can be added
 	player1.addComponent<ColliderComponent>("player", 0.8f); //adds tag (for further use, reference tag)
 	player1.addComponent<HealthComponent>(5, Direction::LEFT);
 	player1.addComponent<StatEffectsComponent>();
@@ -172,7 +185,7 @@ void Game::init(const char* title, int xpos, int ypos, int width, int height, bo
 	player2.setTeam(TeamLabel::RED);
 	player2.addComponent<TransformComponent>(600, 500, 2);
 	player2.addComponent<SpriteComponent>(player2Sprite, true);
-	player2.addComponent<KeyboardController>(SDL_SCANCODE_UP, SDL_SCANCODE_DOWN, SDL_SCANCODE_LEFT, SDL_SCANCODE_RIGHT, SDL_SCANCODE_RCTRL, Vector2D(-2, 0));
+	player2.addComponent<KeyboardController>(gameControllers.at(1), Vector2D(-2, 0));
 	player2.addComponent<ColliderComponent>("enemy", 0.8f);
 	player2.addComponent<HealthComponent>(5, Direction::RIGHT);
 	player2.addComponent<StatEffectsComponent>();

src/KeyboardController.cpp

@@ -3,15 +3,12 @@
 #include "Game.h"
 #include "Components.h"
 #include "AssetManager.h"
+#include "SDL_gamecontroller.h"
 #include "SpriteComponent.h"
 
-KeyboardController::KeyboardController(SDL_Scancode up, SDL_Scancode down, SDL_Scancode left, SDL_Scancode right, SDL_Scancode fire, Vector2D fireVelocity)
+KeyboardController::KeyboardController(SDL_GameController* gameController, Vector2D fireVelocity)
 {
-	this->up = up;
+	this->gameController = gameController;
-	this->down = down;
-	this->left = left;
-	this->right = right;
-	this->fire = fire;
 	this->fireVelocity = fireVelocity;
 }
 
@@ -27,30 +24,30 @@ void KeyboardController::update()
 	transform->direction.y = 0;
 	sprite->playAnimation(IDLE);
 
-	if (keystates[this->up]) {
+	if (SDL_JoystickGetAxis(SDL_GameControllerGetJoystick(this->gameController), 1) < MIN_JOYSTICK_INPUT * -1) { // 
 		transform->direction.y = -1;
 		sprite->playAnimation(WALK);
 		SoundManager::playSound(STEPS);
 	}
-	if (keystates[this->left]) {
+	if (SDL_JoystickGetAxis(SDL_GameControllerGetJoystick(this->gameController), 0) < MIN_JOYSTICK_INPUT * -1) {
 		transform->direction.x = -1;
 		sprite->playAnimation(WALK);
 		sprite->setDirection(Direction::LEFT);
 		SoundManager::playSound(STEPS);
 	}
-	if (keystates[this->down]) {
+	if (SDL_JoystickGetAxis(SDL_GameControllerGetJoystick(this->gameController), 1) > MIN_JOYSTICK_INPUT) {
 		transform->direction.y = 1;
 		sprite->playAnimation(WALK);
 		SoundManager::playSound(STEPS);
 	}
-	if (keystates[this->right]) {
+	if (SDL_JoystickGetAxis(SDL_GameControllerGetJoystick(this->gameController), 0) > MIN_JOYSTICK_INPUT) {
 		transform->direction.x = 1;
 		sprite->playAnimation(WALK);
 		sprite->setDirection(Direction::RIGHT);
 		SoundManager::playSound(STEPS);
 	}
 
-	if (keystates[this->fire]) {
+	if (SDL_GameControllerGetButton(this->gameController, SDL_GameControllerButton::SDL_CONTROLLER_BUTTON_A)) {
 
 		Uint32 currentTicks = SDL_GetTicks();