#pragma once


class Buffer
{
public:
	unsigned char* buffer = nullptr;
	int taken = 0;
	int size = 0;
	Buffer(int size)
	{
		this->size = size;
		this->buffer = new unsigned char[size];
	}

	Buffer() {
		size = 0;
		buffer = nullptr;
	}

	~Buffer()
	{
		if (buffer)	delete[] buffer;
	}

	void resize(int new_size)
	{
		unsigned char* new_buffer = (unsigned char*)realloc(buffer, new_size);
		if (!new_buffer)
		{
			printf_s("Error resizing buffer\n");
			return;
		}

		buffer = new_buffer;
		size = new_size;
	}

	void add(void* data, int data_size)
	{
		if (taken + data_size > size)
		{
			resize(size + data_size);
		}
		memcpy_s(buffer + taken, size - taken, data, data_size);
		taken += data_size;
	}

};