#pragma once

#include "opengl/shader_program_variable.hpp"
#include "util/enum_bitfield_operators.hpp"
#include <array>

namespace zgl::shading::uniforms::point_cloud
{

enum class flags : std::uint8_t
{
	none = 0,
	mvp_matrix = 1 << 0,
	point_size = 1 << 1,
	color = 1 << 2,
	model_matrix = 1 << 3,
	camera_position = 1 << 4,
	rainbow_offset_y = 1 << 5,
	rainbow_scale_y = 1 << 6
};

constexpr inline auto mvp_matrix = shader_program_variable({ GL_FLOAT_MAT4, 0 }, "mvp_matrix");
constexpr inline auto point_size = shader_program_variable({ GL_FLOAT, 1 }, "point_size");
constexpr inline auto color = shader_program_variable({ GL_FLOAT_VEC4, 2 }, "color");
constexpr inline auto model_matrix = shader_program_variable({ GL_FLOAT_MAT4, 3 }, "model_matrix");
constexpr inline auto camera_position = shader_program_variable({ GL_FLOAT_VEC3, 4 }, "camera_position");
constexpr inline auto rainbow_offset_y = shader_program_variable({ GL_FLOAT, 5 }, "rainbow_offset_y");
constexpr inline auto rainbow_scale_y = shader_program_variable({ GL_FLOAT, 6 }, "rainbow_scale_y");

constexpr inline auto all = std::array{
	mvp_matrix,
	point_size,
	color,
	model_matrix,
	camera_position,
	rainbow_offset_y,
	rainbow_scale_y
};

constexpr inline auto names = std::array{
	"mvp_matrix",
	"point_size",
	"color",
	"model_matrix",
	"camera_position",
	"rainbow_offset_y",
	"rainbow_scale_y"
};

}

DEFINE_ENUM_BITFIELD_OPERATORS(zgl::shading::uniforms::point_cloud::flags)