Expose explicit camera transform to volume programs

packages/org.gamecult.eve.unity-scene/README.md

@@ -79,3 +79,6 @@ requirements without assigning gameplay or product meaning to the layer keys.
 `source=port,scale,offset`. This lets animated native programs consume
 provider-authoritative simulation time without making the client clock an
 authority.
+Native volume programs may advertise a `cameraToWorld` matrix port when their
+procedural passes require an explicit camera transform instead of relying on
+render-pipeline globals.

packages/org.gamecult.eve.unity-scene/Runtime/Fields/EveUnityFieldsVolumeRenderer.cs

@@ -112,6 +112,7 @@ namespace GameCult.Eve.UnityScene.Fields
             var gpuProjection = GL.GetGPUProjectionMatrix(camera.projectionMatrix, true);
             var viewProjection = gpuProjection * camera.worldToCameraMatrix;
             SetMatrixPort("cameraInverseViewProjection", viewProjection.inverse);
+            SetMatrixPort("cameraToWorld", camera.cameraToWorldMatrix);
             SetVectorPort("cameraProjectionExtents", ProjectionExtents(camera));
             SetFloatPort("raymarchOffset", Halton(Time.frameCount & 1023, 3));
 

packages/org.gamecult.eve.unity-scene/package.json

@@ -1,7 +1,7 @@
 {
     "name": "org.gamecult.eve.unity-scene",
     "displayName": "Eve Unity Scene Lowering",
-    "version": "0.3.48",
+    "version": "0.3.49",
     "unity": "6000.0",
     "description": "Provider-agnostic Unity scene shell for gamecult.eve.surface.v1 interactive world surfaces.",
     "dependencies": {