63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
/**
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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 lwoSurfaceBlockOpacity.h
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* @author drose
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* @date 2001-04-24
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*/
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#ifndef LWOSURFACEBLOCKOPACITY_H
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#define LWOSURFACEBLOCKOPACITY_H
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#include "pandatoolbase.h"
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#include "lwoChunk.h"
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/**
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* Indicates how transparent or opaque this particular layer is in relation to
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* the layers beneath it. This is a subchunk of LwoSurfaceBlockHeader.
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*/
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class LwoSurfaceBlockOpacity : public LwoChunk {
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public:
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enum Type {
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T_additive = 0,
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T_subtractive = 1,
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T_difference = 2,
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T_multiply = 3,
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T_divide = 4,
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T_alpha = 5,
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T_texture_displacement = 6
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};
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Type _type;
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PN_stdfloat _opacity;
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int _envelope;
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public:
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virtual bool read_iff(IffInputFile *in, size_t stop_at);
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virtual void write(std::ostream &out, int indent_level = 0) const;
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public:
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virtual TypeHandle get_type() const {
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return get_class_type();
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}
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virtual TypeHandle force_init_type() {init_type(); return get_class_type();}
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static TypeHandle get_class_type() {
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return _type_handle;
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}
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static void init_type() {
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LwoChunk::init_type();
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register_type(_type_handle, "LwoSurfaceBlockOpacity",
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LwoChunk::get_class_type());
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}
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private:
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static TypeHandle _type_handle;
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};
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#endif
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