psst

Runtime/PSXPortalLink.cs

@@ -0,0 +1,59 @@
+using UnityEngine;
+
+namespace SplashEdit.RuntimeCode
+{
+    /// <summary>
+    /// Defines a portal connecting two PSXRoom volumes.
+    /// Place this object between two rooms and drag-and-drop the PSXRoom references
+    /// into RoomA and RoomB.  The transform position becomes the portal center used
+    /// for the camera-forward visibility test at runtime on PS1.
+    ///
+    /// This is independent of the navigation portal system (PSXNavRegion).
+    /// </summary>
+    [ExecuteInEditMode]
+    public class PSXPortalLink : MonoBehaviour
+    {
+        [Tooltip("First room connected by this portal.")]
+        public PSXRoom RoomA;
+
+        [Tooltip("Second room connected by this portal.")]
+        public PSXRoom RoomB;
+
+        [Tooltip("Size of the portal opening (width, height) in world units. " +
+                 "Used for the gizmo visualization and the screen-space margin " +
+                 "when checking portal visibility at runtime.")]
+        public Vector2 PortalSize = new Vector2(2f, 3f);
+
+        void OnDrawGizmos()
+        {
+            Gizmos.color = new Color(1f, 0.5f, 0f, 0.3f);
+            Gizmos.matrix = transform.localToWorldMatrix; 
+            Gizmos.DrawCube(Vector3.zero, new Vector3(PortalSize.x, PortalSize.y, 0.05f));
+            Gizmos.color = new Color(1f, 0.5f, 0f, 0.8f);
+            Gizmos.DrawWireCube(Vector3.zero, new Vector3(PortalSize.x, PortalSize.y, 0.05f));
+            Gizmos.matrix = Matrix4x4.identity;
+
+            // Draw lines to connected rooms.
+            if (RoomA != null)
+            {
+                Gizmos.color = Color.green;
+                Gizmos.DrawLine(transform.position, RoomA.transform.position);
+            }
+            if (RoomB != null)
+            {
+                Gizmos.color = Color.cyan;
+                Gizmos.DrawLine(transform.position, RoomB.transform.position);
+            }
+        }
+
+        void OnDrawGizmosSelected()
+        {
+            Gizmos.color = new Color(1f, 0.7f, 0.2f, 0.6f);
+            Gizmos.matrix = transform.localToWorldMatrix;
+            Gizmos.DrawCube(Vector3.zero, new Vector3(PortalSize.x, PortalSize.y, 0.05f));
+            Gizmos.color = Color.yellow;
+            Gizmos.DrawWireCube(Vector3.zero, new Vector3(PortalSize.x, PortalSize.y, 0.05f));
+            Gizmos.matrix = Matrix4x4.identity;
+        }
+    }
+}