From ff8ac9f0a41dc35c22d585cc5371c6a2c0eca545 Mon Sep 17 00:00:00 2001
From: David Rose <david@ddrose.com>
Date: Wed, 2 Jun 2004 21:15:20 +0000
Subject: [PATCH] const

---
 panda/src/pgraph/portalClipper.cxx | 6 +++---
 panda/src/pgraph/portalClipper.h   | 6 +++---
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/panda/src/pgraph/portalClipper.cxx b/panda/src/pgraph/portalClipper.cxx
index 238613600c..4eb3367fab 100755
--- a/panda/src/pgraph/portalClipper.cxx
+++ b/panda/src/pgraph/portalClipper.cxx
@@ -227,7 +227,7 @@ draw_lines()
 //               for now. More functionalities coming up
 ////////////////////////////////////////////////////////////////////
 void PortalClipper::
-prepare_portal(NodePath &node_path)
+prepare_portal(const NodePath &node_path)
 {
   SegmentList segs;
 
@@ -290,7 +290,7 @@ prepare_portal(NodePath &node_path)
 //               and form the new planes of the reduced view frustum
 ////////////////////////////////////////////////////////////////////
 void PortalClipper::
-clip_portal(NodePath &node_path)
+clip_portal(const NodePath &node_path)
 {
   int num_planes = _hex_frustum->get_num_planes();
 
@@ -331,7 +331,7 @@ clip_portal(NodePath &node_path)
 //               fill in the new frustum. Return true if success
 ////////////////////////////////////////////////////////////////////
 PT(BoundingVolume) PortalClipper::
-get_reduced_frustum(NodePath &node_path)
+get_reduced_frustum(const NodePath &node_path)
 {
   int num_planes = 6;
   LPoint3f intersect_points[4];
diff --git a/panda/src/pgraph/portalClipper.h b/panda/src/pgraph/portalClipper.h
index eb716fe2c9..7fab00a3e1 100755
--- a/panda/src/pgraph/portalClipper.h
+++ b/panda/src/pgraph/portalClipper.h
@@ -62,11 +62,11 @@ public:
   ~PortalClipper();
 
   INLINE bool is_facing_camera();
-  void prepare_portal(NodePath &node_path);
+  void prepare_portal(const NodePath &node_path);
 
-  void clip_portal(NodePath &node_path);
+  void clip_portal(const NodePath &node_path);
 
-  PT(BoundingVolume) get_reduced_frustum(NodePath &node_path);
+  PT(BoundingVolume) get_reduced_frustum(const NodePath &node_path);
 
   void draw_lines();
   INLINE void draw_camera_frustum();