/*************************************************************************/
/*  reflection_probe.h                                                   */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2020 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 REFLECTIONPROBE_H
#define REFLECTIONPROBE_H

#include "scene/3d/visual_instance_3d.h"
#include "scene/resources/sky.h"
#include "scene/resources/texture.h"
#include "servers/visual_server.h"

class ReflectionProbe : public VisualInstance3D {
	GDCLASS(ReflectionProbe, VisualInstance3D);

public:
	enum UpdateMode {
		UPDATE_ONCE,
		UPDATE_ALWAYS,
	};

private:
	RID probe;
	float intensity;
	float max_distance;
	Vector3 extents;
	Vector3 origin_offset;
	bool box_projection;
	bool enable_shadows;
	bool interior;
	Color interior_ambient;
	float interior_ambient_energy;
	float interior_ambient_probe_contribution;

	uint32_t cull_mask;
	UpdateMode update_mode;

protected:
	static void _bind_methods();
	void _validate_property(PropertyInfo &property) const;

public:
	void set_intensity(float p_intensity);
	float get_intensity() const;

	void set_interior_ambient(Color p_ambient);
	Color get_interior_ambient() const;

	void set_interior_ambient_energy(float p_energy);
	float get_interior_ambient_energy() const;

	void set_interior_ambient_probe_contribution(float p_contribution);
	float get_interior_ambient_probe_contribution() const;

	void set_max_distance(float p_distance);
	float get_max_distance() const;

	void set_extents(const Vector3 &p_extents);
	Vector3 get_extents() const;

	void set_origin_offset(const Vector3 &p_extents);
	Vector3 get_origin_offset() const;

	void set_as_interior(bool p_enable);
	bool is_set_as_interior() const;

	void set_enable_box_projection(bool p_enable);
	bool is_box_projection_enabled() const;

	void set_enable_shadows(bool p_enable);
	bool are_shadows_enabled() const;

	void set_cull_mask(uint32_t p_layers);
	uint32_t get_cull_mask() const;

	void set_update_mode(UpdateMode p_mode);
	UpdateMode get_update_mode() const;

	virtual AABB get_aabb() const;
	virtual Vector<Face3> get_faces(uint32_t p_usage_flags) const;

	ReflectionProbe();
	~ReflectionProbe();
};

VARIANT_ENUM_CAST(ReflectionProbe::UpdateMode);

#endif // REFLECTIONPROBE_H