#ifndef SHADER_MATERIAL_H
#define SHADER_MATERIAL_H

/*************************************************************************/
/*  shader_material.h                                                    */
/*************************************************************************/
/*                         This file is part of:                         */
/*                          PANDEMONIUM ENGINE                           */
/*             https://github.com/Relintai/pandemonium_engine            */
/*************************************************************************/
/* Copyright (c) 2022-present Péter Magyar.                              */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
/* Copyright (c) 2007-2022 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.                */
/*************************************************************************/

#include "core/containers/self_list.h"
#include "core/object/resource.h"

#include "scene/resources/material/material.h"

#include "scene/resources/shader.h"
#include "servers/rendering_server.h"

class Texture;

class ShaderMaterial : public Material {
	GDCLASS(ShaderMaterial, Material);
	Ref<Shader> shader;

protected:
	bool _set(const StringName &p_name, const Variant &p_value);
	bool _get(const StringName &p_name, Variant &r_ret) const;
	void _get_property_list(List<PropertyInfo> *p_list) const;
	bool property_can_revert(const String &p_name);
	Variant property_get_revert(const String &p_name);

	static void _bind_methods();

	void get_argument_options(const StringName &p_function, int p_idx, List<String> *r_options, const String &quote_style) const;

	virtual bool _can_do_next_pass() const;

	void _shader_changed();

public:
	void set_shader(const Ref<Shader> &p_shader);
	Ref<Shader> get_shader() const;

	void set_shader_param(const StringName &p_param, const Variant &p_value);
	Variant get_shader_param(const StringName &p_param) const;

	virtual Shader::Mode get_shader_mode() const;

	ShaderMaterial();
	~ShaderMaterial();
};

#endif