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#define _USE_MATH_DEFINES
#include <math.h>
#include "Game.h"
#include "AIController.h"
#include "KeyboardController.h"
Game::Game(int width, int height): m_width(width), m_height(height)
{
initField(width, height);
m_vpPlayers.clear();
}
void Game::setSize(int width, int height)
{
m_width =width;
m_height =height;
initField(width, height);
}
Game::~Game(void)
{
while(m_vpPlayers.size() > 0)
{
delete m_vpPlayers.back();
m_vpPlayers.pop_back();
}
}
void Game::initField(int width, int height) {
m_Field.init(width, height);
}
Player* Game::addPlayer()
{
PlayerNumber numPlayers = m_vpPlayers.size();
m_vpPlayers.push_back(new Player());
initPlayer(m_vpPlayers.back(), numPlayers);
return m_vpPlayers.back();
}
void Game::initPlayer(Player* pPlayer, PlayerNumber playerID)
{
pPlayer->setNumber(playerID);
pPlayer->revive();
if (pPlayer->getController())
{
pPlayer->getController()->reset();
}
}
void Game::start()
{
placePlayers();
m_gameRunning = false;
}
void Game::placePlayers()
{
PlayerNumber num = m_vpPlayers.size();
for(PlayerNumber i = 0; i<num; ++i)
{
int x = (int)(m_width * (0.5f + 0.3f*cosf((2.f*(float) M_PI*i)/num+(float)M_PI)));
int y = (int)(m_height * (0.5f + 0.3f*sinf((2.f*(float) M_PI*i)/num+(float)M_PI)));
VelocityVector velocity;
if (abs(x-m_width/2) >= abs(y-m_height/2)) {
if (x-m_width/2 >= 0) {
velocity = VelocityVector(-1,0);
} else {
velocity = VelocityVector(1,0);
}
} else {
if (y-m_height/2 >= 0) {
velocity = VelocityVector(0,-1);
} else {
velocity = VelocityVector(0,1);
}
}
m_vpPlayers[i]->setCoordinates(Coordinates(x,y));
m_vpPlayers[i]->setVelocity(velocity);
m_Field.getCell(Coordinates(x,y)).setState(PLAYER);
m_Field.getCell(Coordinates(x,y)).setPlayer(m_vpPlayers[i]);
}
}
void Game::restart()
{
initField(m_width, m_height);
PlayerNumber num = m_vpPlayers.size();
for(PlayerNumber i = 0; i<num; ++i)
{
initPlayer(m_vpPlayers[i], i);
}
placePlayers();
m_gameRunning = true;
}
Player* Game::getPlayerByID(PlayerNumber id) {
return(m_vpPlayers[id]);
}
Field& Game::getField() {
return(m_Field);
}
void Game::pauseGame() {
m_gameRunning = false;
}
void Game::resumeGame() {
m_gameRunning = true;
}
void Game::toggleGame() {
m_gameRunning = ! m_gameRunning;
}
bool Game::isRunning() {
return m_gameRunning;
}
// main function to be called within glut loop
void Game::updateGame(uint timeElapsedMs) {
if (m_gameRunning) {
// ask the AI if they wanna change something?
for(std::vector<Player*>::iterator it = m_vpPlayers.begin(); it != m_vpPlayers.end(); ++it) {
if ((*it)->isAlive()) {
if ((*it)->getController()) {
(*it)->getController()->think();
}
}
}
// move everyone and update cells
std::vector<Coordinates> path;
std::vector< std::vector<Coordinates> > secondPassPath;
for(std::vector<Player*>::iterator it = m_vpPlayers.begin(); it != m_vpPlayers.end(); ++it) {
if ((*it)->isAlive()) {
path = (*it)->move();
secondPassPath.push_back(path);
std::vector<Coordinates>::iterator coord = path.begin();
if (m_Field.getCell(*coord).getState() == PLAYER) // someone else could have gone BOOM
m_Field.getCell(*coord).setState(PLAYER_WALL);
++coord;
for( coord; coord != path.end(); ++coord) {
try {
Cell& cell = m_Field.getCell(*coord);
if (!(cell.getState() == EMPTY_CELL || (cell.getState() == PLAYER && (cell.getPlayer()->getNumber() == (*it)->getNumber())))) {
killPlayer(*it);
cell.setState(BOOM);
if (cell.getState() == PLAYER_JUST_MOVED) {
killPlayer((cell.getPlayer()));
}
} else {
cell.setState(PLAYER_JUST_MOVED);
cell.setPlayer(*it);
}
} catch (std::out_of_range e) {
killPlayer(*it);
m_Field.getCell(*(coord-1)).setState(BOOM);
}
}
}
}
// second pass to cleanup PLAYER_JUST_MOVED cells
bool boomed = false;
for(std::vector< std::vector<Coordinates> >::iterator it = secondPassPath.begin(); it != secondPassPath.end(); ++it) {
boomed = false;
try {
for(std::vector<Coordinates>::iterator coord = it->begin(); coord != it->end(); ++coord) {
Cell& cell = m_Field.getCell(*coord);
if (cell.getState() == BOOM)
boomed = true;
else if (boomed)
cell.setState(EMPTY_CELL);
else if (coord == it->end() - 1)
cell.setState(PLAYER);
else
cell.setState(PLAYER_WALL);
}
} catch (std::exception out_of_bounds) {} // don't do anything
}
}
}
void Game::killPlayer(Player *player)
{
player->kill();
PlayerNumber alivePlayers = 0;
for(std::vector<Player*>::iterator it = m_vpPlayers.begin(); it != m_vpPlayers.end(); ++it) {
if ((*it)->isAlive()) {
alivePlayers ++;
}
}
if (alivePlayers <= 1)
{
pauseGame();
}
}
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