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#include "Game.h"
Game::Game(int width, int height, PlayerNumber num):
m_Field(width, height)
{
//m_vPlayers.resize(num); // is it possible to resize it without trying to fill it? (i.e. fill with null pointers)
for(PlayerNumber i = 0; i<num; ++i)
{
int x = (int)(width * (0.5 + 0.3*cosf(2*M_PI*(float)i/num+M_PI)));
int y = (int)(height * (0.5 + 0.3*sinf(2*M_PI*(float)i/num+M_PI)));
VelocityVector velocity;
if (abs(x-width/2) >= abs(y-height/2)) {
if (x-width/2 >= 0) {
velocity = VelocityVector(-1,0);
} else {
velocity = VelocityVector(1,0);
}
} else {
if (y-height/2 >= 0) {
velocity = VelocityVector(0,-1);
} else {
velocity = VelocityVector(0,1);
}
}
m_vPlayers.push_back(Player(i, Coordinates(x,y), velocity));
m_Field.getCell(Coordinates(x,y)).setState(PLAYER);
m_Field.getCell(Coordinates(x,y)).setPlayer(&m_vPlayers[i]);
}
}
Game::~Game(void)
{
// ~m_Field; ? same for each player ?
// apparently not needed since we contain the object and not a pointer to it, right?
}
Player& Game::getPlayerByID(PlayerNumber id) {
return(m_vPlayers[id]);
}
Field& Game::getField() {
return(m_Field);
}
void Game::startGame() {
m_gameStarted = true;
m_gameRunning = true;
}
void Game::stopGame() {
m_gameStarted = false;
m_gameRunning = false;
}
void Game::pauseGame() {
m_gameRunning = false;
}
void Game::resumeGame() {
m_gameRunning = true;
}
// main function to be called within glut loop
void Game::updateGame(uint timeElapsedMs) {
/* // ask the AI if they wanna change something?
for(std::vector<Player>::iterator player = m_vPlayers.begin(); player != m_vPlayers.end(); ++player) {
if (player->getController()) {
player->getController()->think();
}
}*/
// move everyone and update cells
std::vector<Coordinates> path;
std::vector< std::vector<Coordinates> > secondPassPath;
for(std::vector<Player>::iterator player = m_vPlayers.begin(); player != m_vPlayers.end(); ++player) {
if (player->isAlive()) {
path = player->move();
secondPassPath.push_back(path);
for(std::vector<Coordinates>::iterator coord = path.begin(); coord != path.end(); ++coord) {
try {
Cell& cell = m_Field.getCell(*coord);
if (!(cell.getState() == EMPTY_CELL || (cell.getState() == PLAYER && (cell.getPlayer()->getNumber() == player->getNumber())))) {
player->kill();
cell.setState(BOOM);
if (cell.getState() == PLAYER_JUST_MOVED) {
(cell.getPlayer())->kill();
}
} else {
cell.setState(PLAYER_JUST_MOVED);
cell.setPlayer(&(*player));
}
} catch (std::out_of_range e) {
player->kill();
m_Field.getCell(*(coord-1)).setState(BOOM);
}
}
}
}
// second pass to cleanup PLAYER_JUST_MOVED cells
for(std::vector< std::vector<Coordinates> >::iterator it = secondPassPath.begin(); it != secondPassPath.end(); ++it) {
for(std::vector<Coordinates>::iterator coord = it->begin(); coord != it->end(); ++coord) {
try {
Cell& cell = m_Field.getCell(*coord);
if (cell.getState() == BOOM) break;
if (coord == it->end() -1) {
cell.setState(PLAYER);
} else {
cell.setState(PLAYER_WALL);
}
} catch (std::exception out_of_bounds) {} // don't do anything
}
}
}
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