From be03011f21865dae534bc0048ecc535ab7b46687 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Tue, 11 May 2021 10:31:03 +0200
Subject: [PATCH] rplight: PSSMCameraRig::update() should accept cam node
 directly

Previously it would always use the first child of the given node (presumably expecting that `base.camera` is passed in), which is inconvenient when dealing with multiple cameras.
---
 contrib/src/rplight/pssmCameraRig.cxx | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/contrib/src/rplight/pssmCameraRig.cxx b/contrib/src/rplight/pssmCameraRig.cxx
index 8b8c22fd20..f9744e2129 100644
--- a/contrib/src/rplight/pssmCameraRig.cxx
+++ b/contrib/src/rplight/pssmCameraRig.cxx
@@ -369,8 +369,16 @@ void PSSMCameraRig::update(NodePath cam_node, const LVecBase3 &light_vector) {
   LMatrix4 transform = cam_node.get_transform()->get_mat();
 
   // Get Camera and Lens pointers
-  Camera* cam = DCAST(Camera, cam_node.get_child(0).node());
-  nassertv(cam != nullptr);
+  Camera *cam;
+  PandaNode *node = cam_node.node();
+  if (node->is_of_type(Camera::get_class_type())) {
+    cam = (Camera *)node;
+  }
+  else {
+    // Perhaps we passed in something like base.camera ?
+    cam = DCAST(Camera, cam_node.get_child(0).node());
+    nassertv(cam != nullptr);
+  }
   Lens* lens = cam->get_lens();
 
   // Extract near and far points: