feat (interaction): Add PressurePlateButton and WallInteractButton classes with interaction logic

Assets/Code/Scripts/Interaction/TestBlock.cs

@@ -0,0 +1,148 @@
+using UnityEngine;
+using UnityEngine.Events;
+
+public class TestBlock : MonoBehaviour
+{
+    [Header("Visual")]
+    [SerializeField] private Renderer targetRenderer;
+    [SerializeField] private Color offColor = Color.red;
+    [SerializeField] private Color onColor = Color.green;
+
+    [Header("Material")]
+    [SerializeField] private string colorPropertyName = "_BaseColor";
+
+    [Header("Optional Auto Wiring")]
+    [Tooltip("If assigned, block turns ON while plate is pressed and OFF when released.")]
+    [SerializeField] private PressurePlateButton[] pressurePlates;
+
+    [Tooltip("If assigned, block toggles every time the wall button is interacted with.")]
+    [SerializeField] private WallInteractButton[] wallButtons;
+
+    private MaterialPropertyBlock m_propertyBlock;
+    private bool m_isOn;
+
+    private void Awake()
+    {
+        if (targetRenderer == null)
+        {
+            targetRenderer = GetComponentInChildren<Renderer>();
+        }
+
+        m_propertyBlock = new MaterialPropertyBlock();
+    }
+
+    private void Start()
+    {
+        SetOff();
+    }
+
+    private void OnEnable()
+    {
+        RegisterEvents();
+    }
+
+    private void OnDisable()
+    {
+        UnregisterEvents();
+    }
+
+    public void SetOn()
+    {
+        m_isOn = true;
+        Debug.Log($"{gameObject.name} turned ON");
+        ApplyColor(onColor);
+    }
+
+    public void SetOff()
+    {
+        m_isOn = false;
+        Debug.Log($"{gameObject.name} turned OFF");
+        ApplyColor(offColor);
+    }
+
+    public void Toggle()
+    {
+        if (m_isOn)
+            SetOff();
+        else
+            SetOn();
+    }
+
+    // Generic interaction entry point for UnityEvents from any interactable.
+    public void TriggerInteraction()
+    {
+        Toggle();
+    }
+
+    public void Activate()
+    {
+        SetOn();
+    }
+
+    public void Deactivate()
+    {
+        SetOff();
+    }
+
+    private void ApplyColor(Color color)
+    {
+        if (targetRenderer == null)
+            return;
+
+        targetRenderer.GetPropertyBlock(m_propertyBlock);
+        m_propertyBlock.SetColor(colorPropertyName, color);
+        targetRenderer.SetPropertyBlock(m_propertyBlock);
+    }
+
+    private void RegisterEvents()
+    {
+        if (pressurePlates != null)
+        {
+            for (int i = 0; i < pressurePlates.Length; i++)
+            {
+                if (pressurePlates[i] == null)
+                    continue;
+
+                pressurePlates[i].OnPressed.AddListener(SetOn);
+                pressurePlates[i].OnReleased.AddListener(SetOff);
+            }
+        }
+
+        if (wallButtons != null)
+        {
+            for (int i = 0; i < wallButtons.Length; i++)
+            {
+                if (wallButtons[i] == null)
+                    continue;
+
+                wallButtons[i].OnInteract.AddListener(Toggle);
+            }
+        }
+    }
+
+    private void UnregisterEvents()
+    {
+        if (pressurePlates != null)
+        {
+            for (int i = 0; i < pressurePlates.Length; i++)
+            {
+                if (pressurePlates[i] == null)
+                    continue;
+
+                pressurePlates[i].OnPressed.RemoveListener(SetOn);
+                pressurePlates[i].OnReleased.RemoveListener(SetOff);
+            }
+        }
+
+        if (wallButtons != null)
+        {
+            for (int i = 0; i < wallButtons.Length; i++)
+            {
+                if (wallButtons[i] == null)
+                    continue;
+
+                wallButtons[i].OnInteract.RemoveListener(Toggle);
+            }
+        }
+    }
+}