47 lines
1.4 KiB
C++
47 lines
1.4 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 eggUtilities.cxx
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* @author drose
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* @date 1999-01-28
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*/
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#include "eggUtilities.h"
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#include "eggPrimitive.h"
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#include "eggGroupNode.h"
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#include "pt_EggTexture.h"
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#include "dcast.h"
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/**
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* Extracts from the egg subgraph beginning at the indicated node a set of all
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* the texture objects referenced, grouped together by filename. Texture
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* objects that share a common filename (but possibly differ in other
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* properties) are returned together in the same element of the map.
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*/
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void
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get_textures_by_filename(const EggNode *node, EggTextureFilenames &result) {
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if (node->is_of_type(EggPrimitive::get_class_type())) {
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const EggPrimitive *prim = DCAST(EggPrimitive, node);
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int num_textures = prim->get_num_textures();
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for (int i = 0; i < num_textures; i++) {
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PT_EggTexture tex = prim->get_texture(i);
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result[tex->get_filename()].insert(tex);
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}
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} else if (node->is_of_type(EggGroupNode::get_class_type())) {
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const EggGroupNode *group = DCAST(EggGroupNode, node);
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EggGroupNode::const_iterator ci;
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for (ci = group->begin(); ci != group->end(); ++ci) {
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get_textures_by_filename(*ci, result);
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}
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}
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}
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