func DamageUnit(attacker *Unit, index int, defender *Unit) (bool, error) {
if len(attacker.attacks) > index {
alive, err := defender.receiveDamage(calculateDamage(attacker.attacks[index], defender.armor))
logger.Info("Defender is %t still alive with %d health", alive, defender.health)
return alive, err
} else {
logger.Warn("Player does not have %d attacks (has %d)", index, len(attacker.attacks))
return true, errors.New("Player does not have that many attacks")
}
}
func (gh *game_hub) processNewGameRequests() {
for ng := range gh.gameRequests {
// look for an existing game to satisfy the new request
gm, err := gh.findGame(ng)
// an error here implies duplicate player ids in game requests
if err != nil {
logger.Warnf("Player with id %d attempted a \"self\" game", ng.cconn.info.id)
return
}
// create a game if one can't be found
if gm == nil {
logger.Info("Couldn't find an available game. Creating a new one")
gm = gh.makeGame(ng.NumPlayers)
} else {
logger.Info("Found existing game. Slotting in")
}
gm.proxy.slotClientConnection(gm.currentPlayers, ng.cconn)
gm.currentPlayers += 1
if gm.currentPlayers == gm.numPlayers {
gh.commitGame(gm)
}
}
}
func (gh *game_hub) commitGame(game *game) {
delete(gh.uncommittedGames, game.numPlayers)
// make connection to server
conn, err := connectToServer()
if err != nil {
logger.Errorf("Could not connect to server, this game is going to hang...")
return
}
game.proxy.server = &serverConnection{conn: conn}
game.channelInHandler(game.proxy)
go game.proxy.serverReadPump()
game.proxy.sendInitialGameInfo()
logger.Info("Committed a game, proxying its messages")
gh.committedGames.PushBack(game)
}
func (gh *game_hub) handleDisconnection(message string, cconn *clientConnection) {
// Find the connection and kill it, cleaning up its game if necessary
logger.Info("Client Disconnected. Cleaning up...")
for np, game := range gh.uncommittedGames {
for i := 0; i < game.currentPlayers; i++ {
if game.proxy.proxyConns[i].info.id == cconn.info.id {
game.proxy.removeClientConnection(i)
game.currentPlayers -= 1
if game.currentPlayers == 0 {
logger.Infof("%d player uncommitted game empty. Dropping", np)
delete(gh.uncommittedGames, np)
}
break
}
}
}
}