Walking sound logic moved to PlayerMovementSystem and makes use of "wishDirection" to alleviate the problem where m_DistanceMoved were reset when it was not supposed to.

include/Game/Systems/PlayerMovementSystem.h

@@ -5,6 +5,7 @@
 #include "Input/FirstPersonInputController.h"
 #include <imgui/imgui.h>
 #include "Events/EDoubleJump.h"
+#include "../Engine/Sound/EPlaySoundOnEntity.h"
 
 class PlayerMovementSystem : public ImpureSystem, PureSystem
 {
@@ -19,6 +20,19 @@ private:
     // State
     std::unordered_map<EntityWrapper, FirstPersonInputController<PlayerMovementSystem>*> m_PlayerInputControllers;
 
+    EntityWrapper m_LocalPlayer = EntityWrapper::Invalid;
+    // Walking logic
+    // Keeps track of how far the player has walked within this "key press session".
+    float m_DistanceMoved = 0.0f;
+    // How far a step is (How often the step sound will be played).
+    const float m_PlayerStepLength = 1.75f;
+    // Determine what sound file to play.
+    bool m_LeftFoot = false;
+    // To get a difference when calculating the walking state.
+    glm::vec3 m_LastPosition = glm::vec3();
+    // The logic for making the sound play when player is moving
+    void playerStep(double dt);
+
     EventRelay<PlayerMovementSystem, Events::PlayerSpawned> m_EPlayerSpawned;
     bool OnPlayerSpawned(Events::PlayerSpawned& e);