added interaction component

include/InteractionComponent.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include "Component.h"
+#include "Entity.h"
+
+#include <vector>
+
+class InteractionComponent : public Component
+{
+public:
+    InteractionComponent(bool canInteract, bool isInteractable);
+    ~InteractionComponent();
+
+    void init() override;
+    void update() override;
+
+    Entity* getClosestInteractableEntity(/*last direction key input*/ std::vector<Entity*> entities);
+    bool interact(Entity* interactee);
+    
+private:
+    bool canInteract;
+    bool isInteractable;
+};

src/InteractionComponent.cpp

@@ -0,0 +1,46 @@
+#include "InteractionComponent.h"
+
+InteractionComponent::InteractionComponent(bool canInteract, bool isInteractable)
+{
+    this->canInteract = canInteract;
+    this->isInteractable = isInteractable;
+}
+
+InteractionComponent::~InteractionComponent() = default;
+
+void InteractionComponent::init()
+{
+
+}
+
+void InteractionComponent::update()
+{
+
+}
+
+Entity* getClosestInteractableEntity(/*last direction key input*/ std::vector<Entity*> entities)
+{
+    // code to compare and find closest entity
+
+
+}
+
+bool InteractionComponent::interact(Entity* interactee)
+{
+    if(!interactee->hasComponent<InteractionComponent> || !interactee->getComponent<InteractionComponent>.isInteractable)
+    {
+        return false;
+    }
+
+    return true;
+
+    // code to interact, basically 
+}
+
+// TODO:
+// - find a way to determine which entities are interactible (bool, map?)
+// - get the last saved key input => if two interactible entities, favour the one closer to last input/m
+//   maybe only make the one in direction of last input interactible
+// - add toggleable marker to show last direction => like stardew? (probably only possible once tmx + layers properly implemented)
+// - add key input e for interact/maybe alt gr for other person?
+