rocket.cpp

/*
 * rocket.cpp
 *
 *  Created on: 2013-09-02
 *      Author: Liam
 */
#include "rocket.h"
#include "player.h"

Rocket::Rocket() {
	m_properties = PROJECTILE;
	fillImage();
}

Rocket::Rocket(const vec2d &pos, const vec2d &direction):m_direction(direction.normalize()) {
	m_properties = PROJECTILE;
	m_pos = pos;
	m_inputvel = m_direction * 20;
	fillImage();
}

void Rocket::update(float dt) {
	if (m_pSubject) {
		vec2d dir = static_cast<Player *>(m_pSubject)->getPos() - m_pos;
		m_direction = dir.normalize();
	}

	m_inputvel = m_direction * 20;
}

bool Rocket::write(std::ofstream &file) {
	if (file.is_open()) {
		int id = ROCKETCREATOR;
		file << std::dec << id << ' ';

		Entity::write(file);

		file << std::hex << static_cast<Player *>(m_pSubject) << std::endl;

		return true;
	} else return false;
}

bool Rocket::read(std::ifstream &file) {
	if (file.is_open()) {
		Entity::read(file);

		unsigned int i;
		char c = ' ';

		while (c != 'x' && c != '\n')
			c = file.get();

		if (c != '\n') {
			file >> std::hex >> i;
			m_pSubject = (Subject *)i;
		}

		return true;
	} else return false;
}

void Rocket::fixup() {
	Subject *pSubject = static_cast<Player *>(AddressTranslator::FindAddress((unsigned int)m_pSubject));
	setSubject(pSubject);
}

void Rocket::fillImage() {
	CHAR chars[1];
	COL colours[1];

	chars[0] = 232;
	colours[0] = 12 | BACKGROUND_BLUE;

	Image image(1, 1, chars, colours);
	setImage(image);
}

Entity *_RocketCreator::create(const vec2d &pos, const vec2d &dir, const int &dummy) const {
	return new Rocket(pos, dir);
}