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#include "game_state.h"
#include <iostream>
#include <fstream>
#include <limits>
const int OPENING_LINES = 6;
const int GAME_AREA_LINES = 25;
void moveToNextChar(int &x, int &y, int &width, char &nextChar, std::istream &mapFile)
{
if (nextChar == '\n')
{
x = 0;
++y;
}
else
{
x += width;
}
if (width > 1)
{
mapFile.ignore(width-1);
}
nextChar = mapFile.get();
}
GameState::GameState(std::istream &&mapFile)
{
for (int i=0; i<OPENING_LINES; ++i)
{
mapFile.ignore(std::numeric_limits<std::streamsize>::max(), '\n');
}
char nextChar = mapFile.get();
for (int x=0, y=0, width=1;
y < GAME_AREA_LINES && nextChar != EOF;
moveToNextChar(x, y, width, nextChar, mapFile))
{
width = addEntity(x, y, nextChar);
}
}
int GameState::addEntity(int x, int y, char type)
{
switch (type)
{
case Alien::MAP_CHAR:
_aliens.push_back(Alien(x,y));
return 1;
case EnemyBullet::ALIEN_MAP_CHAR:
case EnemyBullet::ENEMY_MISSILE_MAP_CHAR:
_bullets.push_back(EnemyBullet(x,y));
return 1;
case PlayerMissile::MAP_CHAR:
_missiles.push_back(PlayerMissile(x,y));
return 1;
case Shield::MAP_CHAR:
_shields.push_back(Shield(x,y));
return 1;
case Spaceship::ENEMY_MAP_CHAR:
case Spaceship::PLAYER_MAP_CHAR:
_spaceships.push_back(Spaceship(x+1,y));
return 3;
}
return 1;
}
void GameState::logState()
{
for (auto alien : _aliens)
{
std::cout << "Alien " << alien.coords() << std::endl;
}
for (auto bullet : _bullets)
{
std::cout << "Enemy Bullet" << bullet.coords() << std::endl;
}
for (auto missile : _missiles)
{
std::cout << "Player Missile" << missile.coords() << std::endl;
}
for (auto shield : _shields)
{
std::cout << "Shield" << shield.coords() << std::endl;
}
for (auto spaceship : _spaceships)
{
std::cout << "Spaceship" << spaceship.coords() << std::endl;
}
}
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