charcoal/OpenGLEngine/Util.cpp

#include "Util.h"

#include "stdafx.h"

#include <fstream>
#include <string>
#include <iostream>
#include <iomanip>

#include "Exception.h"

std::string Util::load_file(const std::string& path)
{
	std::ifstream input_stream;
	try
	{
		input_stream.open(path);
	}
	catch (std::ios::failure& e)
	{
		throw Exception(std::string("Error Opening File: ") + e.what(), "class Util");
	}
	if (input_stream.is_open())
	{
		input_stream.seekg(0, std::ios::end);
		std::size_t size = input_stream.tellg();
		std::string buffer(size, ' ');
		input_stream.seekg(std::ios::beg);
		input_stream.read(&buffer[0], size);
		return buffer;
	}
	else
	{
		throw Exception("Unable to access file: " + path, "class Util");
	}
}

void Util::set_console_position(short x, short y)
{
	COORD pos = { x, y }; 
	HANDLE output = GetStdHandle(STD_OUTPUT_HANDLE);
	SetConsoleCursorPosition(output, pos);
}

void Util::print_matrix(const mat4& matrix)
{
	std::cout << std::showpos << std::scientific << std::setprecision(5)
		<< "[ " << matrix[0][0] << " " << matrix[1][0] << " " << matrix[2][0] << " " << matrix[3][0] << " ]" << std::endl
		<< "[ " << matrix[0][1] << " " << matrix[1][1] << " " << matrix[2][1] << " " << matrix[3][1] << " ]" << std::endl
		<< "[ " << matrix[0][2] << " " << matrix[1][2] << " " << matrix[2][2] << " " << matrix[3][2] << " ]" << std::endl
		<< "[ " << matrix[0][3] << " " << matrix[1][3] << " " << matrix[2][3] << " " << matrix[3][3] << " ]" << std::endl;
}

void Util::print_vec(const vec2& v)
{
	std::cout << std::showpos << std::fixed << std::setprecision(5)
		<< "[" << v.x << "]" << std::endl
		<< "[" << v.y << "]" << std::endl;
}

void Util::print_vec(const vec3& v)
{
	std::cout << std::showpos << std::fixed << std::setprecision(5)
		<< "[" << v.x << "]" << std::endl
		<< "[" << v.y << "]" << std::endl
		<< "[" << v.z << "]" << std::endl;
}

void Util::print_vec(const vec4& v)
{
	std::cout << std::showpos << std::fixed << std::setprecision(5)
		<< "[" << v.x << "]" << std::endl
		<< "[" << v.y << "]" << std::endl
		<< "[" << v.z << "]" << std::endl
		<< "[" << v.w << "]" << std::endl;
}