From 2450f31ef541772613459733c66eab37d93a73e8 Mon Sep 17 00:00:00 2001
From: rdb <git@rdb.name>
Date: Tue, 27 Feb 2018 15:06:12 +0100
Subject: [PATCH] interrogate: remove deprecated and unneeded downcastTo*()
 functions

They have not been needed for a very long time, and they create an awkward reverse dependency of base classes on derived classes.
---
 dtool/src/interrogate/interfaceMakerPythonNative.cxx | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/dtool/src/interrogate/interfaceMakerPythonNative.cxx b/dtool/src/interrogate/interfaceMakerPythonNative.cxx
index 3a861a4844..96420ef663 100644
--- a/dtool/src/interrogate/interfaceMakerPythonNative.cxx
+++ b/dtool/src/interrogate/interfaceMakerPythonNative.cxx
@@ -3500,6 +3500,10 @@ write_function_for_name(ostream &out, Object *obj,
 
   out << " */\n";
 
+  if (has_this && obj == nullptr) {
+    assert(obj != nullptr);
+  }
+
   out << function_name << " {\n";
 
   if (has_this) {
@@ -7007,7 +7011,7 @@ record_object(TypeIndex type_index) {
           object->_methods.push_back(function);
         }
       }
-      if (itype.derivation_has_downcast(di)) {
+      /*if (itype.derivation_has_downcast(di)) {
         // Downcasts are methods of the base class, not the child class.
         TypeIndex base_type_index = itype.get_derivation(di);
 
@@ -7020,7 +7024,7 @@ record_object(TypeIndex type_index) {
             pobject->_methods.push_back(function);
           }
         }
-      }
+      }*/
     }
   }