Panda3D
panda
src
pgraph
renderEffect.I
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file renderEffect.I
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* @author drose
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* @date 2002-03-14
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*/
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/**
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* Provides an arbitrary ordering among all unique RenderEffects, so we can
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* store the essentially different ones in a big set and throw away the rest.
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*
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* This method is not needed outside of the RenderEffect class because all
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* equivalent RenderEffect objects are guaranteed to share the same pointer;
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* thus, a pointer comparison is always sufficient.
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*/
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INLINE
int
RenderEffect::
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compare_to
(
const
RenderEffect
&other)
const
{
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// First, we compare the types; if they are of different types then they
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// sort differently.
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TypeHandle
type = get_type();
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TypeHandle
other_type = other.get_type();
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if
(type != other_type) {
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return
type.
get_index
() - other_type.
get_index
();
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}
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// We only call compare_to_impl() if they have the same type.
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return
compare_to_impl(&other);
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}
RenderEffect
This is the base class for a number of special render effects that may be set on scene graph nodes to...
Definition:
renderEffect.h:48
TypeHandle::get_index
get_index
Returns the integer index associated with this TypeHandle.
Definition:
typeHandle.h:135
TypeHandle
TypeHandle is the identifier used to differentiate C++ class types.
Definition:
typeHandle.h:81
RenderEffect::compare_to
int compare_to(const RenderEffect &other) const
Provides an arbitrary ordering among all unique RenderEffects, so we can store the essentially differ...
Definition:
renderEffect.I:23
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