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145 lines
2.9 KiB
Go
145 lines
2.9 KiB
Go
package main
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import (
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"fmt"
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"time"
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)
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type Game struct {
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id Id
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start time.Time
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end time.Time
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done chan interface{}
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winner string
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winMethod string
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connections map[*Connection]bool
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frame int64
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elems map[GameElement]bool
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}
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func gamesTable() {
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stmnt := `create table if not exists games (
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id text not null,
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start text not null,
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end text,
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winner text,
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win_method text
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);`
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if _, err := db.Exec(stmnt); err != nil {
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log_error("couldn't create games table: %v", err)
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}
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}
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func NewGame() *Game {
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game := &Game{
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id: NewId(),
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start: time.Now(),
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done: make(chan interface{}),
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connections: make(map[*Connection]bool, 32),
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elems: make(map[GameElement]bool, 32),
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}
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if err := game.Create(); err != nil {
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log_error("unable to create game: %v", err)
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}
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for _, system := range index {
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game.Register(system)
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}
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if currentGame != nil {
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log_info("passing %d connections...", len(currentGame.connections))
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for conn, _ := range currentGame.connections {
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log_info("moving player %s to new game", conn.PlayerName())
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currentGame.Quit(conn)
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game.Join(conn)
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}
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}
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return game
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}
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func (g *Game) Create() error {
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_, err := db.Exec(`
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insert into games
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(id, start)
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values
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(?, ?)
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;`, g.id.String(), g.start)
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if err != nil {
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return fmt.Errorf("error writing sqlite insert statement to create game: %v")
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}
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return nil
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}
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func (g *Game) Store() error {
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_, err := db.Exec(`
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update games
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set end = ?, winner = ?, win_method = ?
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where id = ?
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;`, g.end, g.winner, g.winMethod, g.id)
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return err
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}
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func (g *Game) Join(conn *Connection) {
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g.connections[conn] = true
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}
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func (g *Game) Quit(conn *Connection) {
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delete(g.connections, conn)
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}
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func (g *Game) Win(winner *Connection, method string) {
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defer close(g.done)
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g.end = time.Now()
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g.winner = winner.PlayerName()
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g.winMethod = method
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g.Store()
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log_info("player %s has won by %s victory", winner.PlayerName(), method)
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for conn, _ := range g.connections {
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fmt.Fprintf(conn, "player %s has won by %s victory.\n", winner.PlayerName(), method)
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}
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}
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func (g *Game) Reset() {
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connections := g.connections
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fresh := NewGame()
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*g = *fresh
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g.connections = connections
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}
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func (g *Game) Run() {
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ticker := time.Tick(time.Second / time.Duration(options.frameRate))
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for {
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select {
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case <-ticker:
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g.tick()
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case <-g.done:
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for conn, _ := range g.connections {
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conn.Close()
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}
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return
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}
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}
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}
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func (g *Game) Register(elem GameElement) {
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g.elems[elem] = true
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}
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func (g *Game) tick() {
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g.frame += 1
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for elem := range g.elems {
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elem.Tick(g.frame)
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}
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for elem := range g.elems {
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if elem.Dead() {
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log_info("delete game object: %v", elem)
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delete(g.elems, elem)
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}
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}
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}
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type GameElement interface {
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Tick(frame int64)
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Dead() bool
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}
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