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77 lines
3.4 KiB
C++
77 lines
3.4 KiB
C++
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/**************************************************************************/
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/* openxr_structure.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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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#pragma once
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#include "core/object/gdvirtual.gen.inc"
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#include "core/object/ref_counted.h"
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#include "openxr_util.h"
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#include "util.h"
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// Base class for XrStructureType based headers
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class OpenXRStructureBase : public RefCounted {
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GDCLASS(OpenXRStructureBase, RefCounted);
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public:
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/*
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* get_header should return a pointer to a proper XrStructureType structure.
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* The pointer should remain valid as long as this object is not destructed.
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*
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* This function should be implemented based on the following template:
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* void *get_header(void *p_next = nullptr) {
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* my_xr_struct.type = XR_TYPE_XYZ;
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* if (get_next().is_valid()) {
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* my_xr_struct.next = get_next()->get_header(p_next);
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* } else {
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* my_xr_struct.next = p_next
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* }
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*
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* // add further setup of the struct here
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*
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* return &my_xr_struct;
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* }
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*/
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virtual void *get_header(void *p_next = nullptr);
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virtual XrStructureType get_structure_type();
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void set_next(const Ref<OpenXRStructureBase> p_next);
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Ref<OpenXRStructureBase> get_next() const;
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GDVIRTUAL1R(uint64_t, _get_header, uint64_t);
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protected:
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static void _bind_methods();
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private:
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Ref<OpenXRStructureBase> next;
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uint64_t _get_structure_type();
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};
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