61 lines
3 KiB
C++
61 lines
3 KiB
C++
/*************************************************************************/
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/* octree.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef OCTREE_H
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#define OCTREE_H
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#define OCTREE_ELEMENT_INVALID_ID 0
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#define OCTREE_SIZE_LIMIT 1e15
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#define OCTREE_DEFAULT_OCTANT_LIMIT 0
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// We want 2 versions of the octree, Octree
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// and Octree_CL which uses cached lists (optimized).
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// we don't want to use the extra memory of cached lists on
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// the non cached list version, so we use macros
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// to avoid duplicating the code which is in octree_definition.
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// The name of the class is overridden and the changes with the define
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// OCTREE_USE_CACHED_LISTS.
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// The two classes can be used identically but one contains the cached
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// list optimization.
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// standard octree
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#define OCTREE_CLASS_NAME Octree
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#undef OCTREE_USE_CACHED_LISTS
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#include "octree_definition.inc"
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#undef OCTREE_CLASS_NAME
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// cached lists octree
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#define OCTREE_CLASS_NAME Octree_CL
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#define OCTREE_USE_CACHED_LISTS
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#include "octree_definition.inc"
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#undef OCTREE_CLASS_NAME
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#endif // OCTREE_H
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