From 16d5c27a57aa34fa07b764d2ab5323b5611ebbfa Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Mon, 4 Feb 2019 23:37:47 +0100
Subject: [PATCH] collide: remove unused legacy_to_3d method

---
 panda/src/collide/collisionBox.h       |  1 -
 panda/src/collide/collisionPolygon.cxx | 31 --------------------------
 panda/src/collide/collisionPolygon.h   |  1 -
 3 files changed, 33 deletions(-)

diff --git a/panda/src/collide/collisionBox.h b/panda/src/collide/collisionBox.h
index db9d2c2aa9..3baa77d152 100644
--- a/panda/src/collide/collisionBox.h
+++ b/panda/src/collide/collisionBox.h
@@ -139,7 +139,6 @@ public:
   INLINE void calc_to_3d_mat(LMatrix4 &to_3d_mat, int plane) const;
   INLINE void rederive_to_3d_mat(LMatrix4 &to_3d_mat, int plane) const;
   INLINE static LPoint3 to_3d(const LVecBase2 &point2d, const LMatrix4 &to_3d_mat);
-  LPoint3 legacy_to_3d(const LVecBase2 &point2d, int axis) const;
   bool clip_polygon(Points &new_points, const Points &source_points,
                     const LPlane &plane,int plane_no) const;
   bool apply_clip_plane(Points &new_points, const ClipPlaneAttrib *cpa,
diff --git a/panda/src/collide/collisionPolygon.cxx b/panda/src/collide/collisionPolygon.cxx
index 24c8230d2f..59914c25e1 100644
--- a/panda/src/collide/collisionPolygon.cxx
+++ b/panda/src/collide/collisionPolygon.cxx
@@ -1335,37 +1335,6 @@ setup_points(const LPoint3 *begin, const LPoint3 *end) {
   compute_vectors(_points);
 }
 
-/**
- * Converts the indicated point to 3-d space according to the way
- * CollisionPolygons used to be stored in bam files prior to 4.9.
- */
-LPoint3 CollisionPolygon::
-legacy_to_3d(const LVecBase2 &point2d, int axis) const {
-  nassertr(!point2d.is_nan(), LPoint3(0.0f, 0.0f, 0.0f));
-
-  LVector3 normal = get_normal();
-  PN_stdfloat D = get_plane()[3];
-
-  nassertr(!normal.is_nan(), LPoint3(0.0f, 0.0f, 0.0f));
-  nassertr(!cnan(D), LPoint3(0.0f, 0.0f, 0.0f));
-
-  switch (axis) {
-  case 0:  // AT_x:
-    return LPoint3(-(normal[1]*point2d[0] + normal[2]*point2d[1] + D)/normal[0],                    point2d[0], point2d[1]);
-
-  case 1:  // AT_y:
-    return LPoint3(point2d[0],
-                    -(normal[0]*point2d[0] + normal[2]*point2d[1] + D)/normal[1],                    point2d[1]);
-
-  case 2:  // AT_z:
-    return LPoint3(point2d[0], point2d[1],
-                    -(normal[0]*point2d[0] + normal[1]*point2d[1] + D)/normal[2]);
-  }
-
-  nassertr(false, LPoint3(0.0f, 0.0f, 0.0f));
-  return LPoint3(0.0f, 0.0f, 0.0f);
-}
-
 /**
  * Clips the source_points of the polygon by the indicated clipping plane, and
  * modifies new_points to reflect the new set of clipped points (but does not
diff --git a/panda/src/collide/collisionPolygon.h b/panda/src/collide/collisionPolygon.h
index f7fa771bfa..81dd37fdc7 100644
--- a/panda/src/collide/collisionPolygon.h
+++ b/panda/src/collide/collisionPolygon.h
@@ -131,7 +131,6 @@ private:
   INLINE void calc_to_3d_mat(LMatrix4 &to_3d_mat) const;
   INLINE void rederive_to_3d_mat(LMatrix4 &to_3d_mat) const;
   INLINE static LPoint3 to_3d(const LVecBase2 &point2d, const LMatrix4 &to_3d_mat);
-  LPoint3 legacy_to_3d(const LVecBase2 &point2d, int axis) const;
 
   bool clip_polygon(Points &new_points, const Points &source_points,
                     const LPlane &plane) const;