/**************************************************************************/
/* openxr_structure.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#pragma once
#include "core/object/gdvirtual.gen.h"
#include "core/object/ref_counted.h"
#include <openxr/openxr.h>
// Base class for XrStructureType based headers
class OpenXRStructureBase : public RefCounted {
GDCLASS(OpenXRStructureBase, RefCounted);
public:
/*
* get_header should return a pointer to a proper XrStructureType structure.
* The pointer should remain valid as long as this object is not destructed.
*
* This function should be implemented based on the following template:
* void *get_header(void *p_next = nullptr) {
* my_xr_struct.type = XR_TYPE_XYZ;
* if (get_next().is_valid()) {
* my_xr_struct.next = get_next()->get_header(p_next);
* } else {
* my_xr_struct.next = p_next
* }
*
* // add further setup of the struct here
*
* return &my_xr_struct;
* }
*/
virtual void *get_header(void *p_next = nullptr);
virtual XrStructureType get_structure_type();
void set_next(const Ref<OpenXRStructureBase> p_next);
Ref<OpenXRStructureBase> get_next() const;
GDVIRTUAL1R(uint64_t, _get_header, uint64_t);
protected:
static void _bind_methods();
private:
Ref<OpenXRStructureBase> next;
uint64_t _get_structure_type();
};