/*************************************************************************/
/*  immediate_geometry.h                                               */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                    http://www.godotengine.org                         */
/*************************************************************************/
/* Copyright (c) 2007-2017 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:                                             */
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/* The above copyright notice and this permission notice shall be        */
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/*************************************************************************/
#ifndef IMMEDIATE_GEOMETRY_H
#define IMMEDIATE_GEOMETRY_H

#include "scene/3d/visual_instance.h"
#include "scene/resources/mesh.h"

class ImmediateGeometry : public GeometryInstance {

	OBJ_TYPE(ImmediateGeometry,GeometryInstance);


	RID im;
	//a list of texures drawn need to be kept, to avoid references
	// in VisualServer from becoming invalid if the texture is no longer used
	List<Ref<Texture> > cached_textures;
	bool empty;
	AABB aabb;
protected:

	static void _bind_methods();
public:


	void begin(Mesh::PrimitiveType p_primitive,const Ref<Texture>& p_texture=Ref<Texture>());
	void set_normal(const Vector3& p_normal);
	void set_tangent(const Plane& p_tangent);
	void set_color(const Color& p_color);
	void set_uv(const Vector2& tex_uv);
	void set_uv2(const Vector2& tex_uv);

	void add_vertex(const Vector3& p_vertex);

	void end();
	void clear();


	void add_sphere(int p_lats,int p_lons,float p_radius,bool p_add_uv=true);



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

	ImmediateGeometry();
	~ImmediateGeometry();
};

#endif // IMMEDIATE_GEOMETRY_H