diff options
Diffstat (limited to 'core/math/static_raycaster.h')
| -rw-r--r-- | core/math/static_raycaster.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/core/math/static_raycaster.h b/core/math/static_raycaster.h new file mode 100644 index 0000000000..3759c788a7 --- /dev/null +++ b/core/math/static_raycaster.h @@ -0,0 +1,111 @@ +/*************************************************************************/ +/* static_raycaster.h */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ +/* */ +/* 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. */ +/*************************************************************************/ + +#ifndef STATIC_RAYCASTER_H +#define STATIC_RAYCASTER_H + +#include "core/object/ref_counted.h" + +#if !defined(__aligned) + +#if defined(_WIN32) && defined(_MSC_VER) +#define __aligned(...) __declspec(align(__VA_ARGS__)) +#else +#define __aligned(...) __attribute__((aligned(__VA_ARGS__))) +#endif + +#endif + +class StaticRaycaster : public RefCounted { + GDCLASS(StaticRaycaster, RefCounted) +protected: + static StaticRaycaster *(*create_function)(); + +public: + // compatible with embree3 rays + struct __aligned(16) Ray { + const static unsigned int INVALID_GEOMETRY_ID = ((unsigned int)-1); // from rtcore_common.h + + /*! Default construction does nothing. */ + _FORCE_INLINE_ Ray() : + geomID(INVALID_GEOMETRY_ID) {} + + /*! Constructs a ray from origin, direction, and ray segment. Near + * has to be smaller than far. */ + _FORCE_INLINE_ Ray(const Vector3 &org, + const Vector3 &dir, + float tnear = 0.0f, + float tfar = INFINITY) : + org(org), + tnear(tnear), + dir(dir), + time(0.0f), + tfar(tfar), + mask(-1), + u(0.0), + v(0.0), + primID(INVALID_GEOMETRY_ID), + geomID(INVALID_GEOMETRY_ID), + instID(INVALID_GEOMETRY_ID) {} + + /*! Tests if we hit something. */ + _FORCE_INLINE_ explicit operator bool() const { return geomID != INVALID_GEOMETRY_ID; } + + public: + Vector3 org; //!< Ray origin + tnear + float tnear; //!< Start of ray segment + Vector3 dir; //!< Ray direction + tfar + float time; //!< Time of this ray for motion blur. + float tfar; //!< End of ray segment + unsigned int mask; //!< used to mask out objects during traversal + unsigned int id; //!< ray ID + unsigned int flags; //!< ray flags + + Vector3 normal; //!< Not normalized geometry normal + float u; //!< Barycentric u coordinate of hit + float v; //!< Barycentric v coordinate of hit + unsigned int primID; //!< primitive ID + unsigned int geomID; //!< geometry ID + unsigned int instID; //!< instance ID + }; + + virtual bool intersect(Ray &p_ray) = 0; + virtual void intersect(Vector<Ray> &r_rays) = 0; + + virtual void add_mesh(const PackedVector3Array &p_vertices, const PackedInt32Array &p_indices, unsigned int p_id) = 0; + virtual void commit() = 0; + + virtual void set_mesh_filter(const Set<int> &p_mesh_ids) = 0; + virtual void clear_mesh_filter() = 0; + + static Ref<StaticRaycaster> create(); +}; + +#endif // STATIC_RAYCASTER_H |