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CLK/Machines/Typer.cpp

59 lines
980 B
C++

//
// Typer.cpp
// Clock Signal
//
// Created by Thomas Harte on 19/06/2016.
// Copyright © 2016 Thomas Harte. All rights reserved.
//
#include "Typer.hpp"
#include <stdlib.h>
using namespace Utility;
Typer::Typer(const char *string, int delay, int frequency, Delegate *delegate) :
_counter(-delay), _frequency(frequency), _string(strdup(string)), _string_pointer(0), _delegate(delegate), _phase(0) {}
void Typer::update(int duration)
{
if(_string)
{
if(_counter < 0 && _counter + duration >= 0)
{
type_next_character();
}
_counter += duration;
while(_counter > _frequency)
{
_counter -= _frequency;
type_next_character();
}
}
}
void Typer::type_next_character()
{
if(_delegate->typer_set_next_character(this, _string[_string_pointer], _phase))
{
_phase = 0;
if(!_string[_string_pointer])
{
free(_string);
_string = nullptr;
return;
}
_string_pointer++;
}
else
{
_phase++;
}
}
Typer::~Typer()
{
free(_string);
}