Update

client.go

@@ -16,7 +16,8 @@ type Client struct {
 	reader       *telnet.Reader
 	match        *Match
 	isHost       bool
-	hp           int
+	HP           int
+	items        []Item
 	// Add more fields as needed
 }
 
@@ -34,7 +35,7 @@ func NewClient(context *telnet.Context, writer *telnet.Writer, reader *telnet.Re
 	clients[clientID].writer = writer
 	clients[clientID].reader = reader
 	clients[clientID].isHost = false
-	clients[clientID].hp = -1
+	clients[clientID].HP = -1
 	return clientID
 }
 

commands.go

@@ -7,47 +7,85 @@ import (
 	"sync"
 )
 
+type Command struct {
+	commandHandlerFunc CommandHandlerFunc
+	description        string
+}
+
 type CommandHandlerFunc func(args []string, clientID int) string
 
 type CommandRegistry struct {
-	commands map[string]CommandHandlerFunc
+	commands map[string]Command
 	mutex    sync.Mutex // Mutex to safely access commands map
 }
 
 func NewCommandRegistry() *CommandRegistry {
 	return &CommandRegistry{
-		commands: make(map[string]CommandHandlerFunc),
+		commands: make(map[string]Command),
 	}
 }
 
-func (cr *CommandRegistry) RegisterCommand(command string, handler CommandHandlerFunc) {
+func (cr *CommandRegistry) RegisterCommand(command string, handler CommandHandlerFunc, desc string) {
 	cr.mutex.Lock()
 	defer cr.mutex.Unlock()
-	cr.commands[command] = handler
+	cr.commands[command] = Command{
+		commandHandlerFunc: handler,
+		description:        desc,
+	}
 }
 
 func (cr *CommandRegistry) GetCommandHandler(command string, clientID int) (CommandHandlerFunc, bool, int) {
 	cr.mutex.Lock()
 	defer cr.mutex.Unlock()
-	handler, ok := cr.commands[command]
+	commandEntry, ok := cr.commands[command]
+	handler := commandEntry.commandHandlerFunc
 	return handler, ok, clientID
 }
 
 func RegisterCommands(registry *CommandRegistry) {
-	registry.RegisterCommand("help", HelpCommand)
+	registry.RegisterCommand("clear", ClearCommand, `Clears your screen (clear)`)
-	registry.RegisterCommand("setname", SetNameCommand)
+	registry.RegisterCommand("setname", SetNameCommand, `Sets your name (setname yourname[string])`)
-	registry.RegisterCommand("list", ListClientsCommand)
+	registry.RegisterCommand("list", ListClientsCommand, `Lists clients (list)`)
-	registry.RegisterCommand("tell", TellClientCommand)
+	registry.RegisterCommand("rng", RandomCommand, `Generates a random integer (rng from[int] to[int{bigger than from}], both need to be above zero)`)
-	registry.RegisterCommand("clear", ClearCommand)
+	registry.RegisterCommand("tell", TellClientCommand, `Tell a client (tell client[id or string{username}])`)
-	registry.RegisterCommand("rng", RandomCommand)
+	registry.RegisterCommand("challenge", StartCommand, `Challenge a client (challenge client[id or string{username}])`)
-	registry.RegisterCommand("challenge", StartCommand)
+	registry.RegisterCommand("accept", AcceptCommand, `Accepts a challenge (accept)`)
-	registry.RegisterCommand("accept", AcceptCommand)
+	registry.RegisterCommand("shoot", ShootCommand, `Shoots at a client (shoot target[int or string], accepts self as a parameter) {Shooting self with a blank keeps your turn}`)
-	registry.RegisterCommand("shoot", ShootCommand)
+	registry.RegisterCommand("useitem", UseItemCommand, `Uses an item in a match (useitem index[number])`)
 	// Add more commands here...
 }
 
+func UseItemCommand(args []string, clientID int) string {
+	param := -1
+	itemID := -1
+	if len(args) >= 2 {
+		var err error
+		param, err = strconv.Atoi(args[1])
+		if err != nil {
+			param = -1
+		}
+	}
+	if len(args) >= 1 {
+		var err error
+		itemID, err = strconv.Atoi(args[0])
+		if err != nil {
+			itemID = -1
+		}
+	}
+	if itemID >= 0 && itemID < clients[clientID].match.itemCount {
+		clients[clientID].items[itemID].useItem(param)
+		clients[clientID].match.SendMessage("\r\nUsing item "+clients[clientID].items[itemID].name(), clients[clientID])
+		return "Used"
+	} else {
+		return "ERROR using item"
+	}
+}
+
 func ShootCommand(args []string, clientID int) string {
-	if clients[clientID].match.round >= 0 {
+	if clients[clientID].match != nil && clients[clientID].match.round > 0 && clients[clientID].match.Guestturn != clients[clientID].isHost {
+		defer clients[clientID].match.CheckStatus()
+		defer clients[clientID].match.announceHP()
+		defer clients[clientID].match.announceRounds()
 		self := false
 		if len(args) == 1 {
 			if strings.ToLower(args[0]) == "self" {
@@ -56,26 +94,33 @@ func ShootCommand(args []string, clientID int) string {
 				self = true
 			}
 		}
-		var fired bool
+		var fired int
+		var target *Client
 		if self {
-			fired = clients[clientID].match.gun.Shoot(clients[clientID])
+			target = clients[clientID]
-			if fired {
+			fired, clients[clientID].match.gun.magazine = clients[clientID].match.gun.Shoot(target)
-				return "Shot self with a live"
+			if fired == 1 {
+				clients[clientID].match.Guestturn = clients[clientID].isHost
+				clients[clientID].match.SendMessage("Shot myself with a live", clients[clientID])
 			} else {
-				return "Shot self with a blank"
+				clients[clientID].match.SendMessage("Shot myself with a blank", clients[clientID])
 			}
 		} else {
 			if clients[clientID].isHost {
-				fired = clients[clientID].match.gun.Shoot(clients[clientID].match.guest)
+				target = clients[clientID].match.guest
 			} else {
-				fired = clients[clientID].match.gun.Shoot(clients[clientID].match.host)
+				target = clients[clientID].match.host
 			}
-			if fired {
+			fired, clients[clientID].match.gun.magazine = clients[clientID].match.gun.Shoot(target)
-				return "Shot " + args[0] + "with a live"
+			if fired == 1 {
+				clients[clientID].match.Guestturn = clients[clientID].isHost
+				clients[clientID].match.SendMessage("Shot "+target.Username+"("+strconv.Itoa(target.ID)+")"+"with a live", clients[clientID])
 			} else {
-				return "Shot " + args[0] + "with a blank"
+				clients[clientID].match.Guestturn = clients[clientID].isHost
+				clients[clientID].match.SendMessage("Shot "+target.Username+"("+strconv.Itoa(target.ID)+")"+"with a blank", clients[clientID])
 			}
 		}
+		return "SHOT"
 	}
 	return "Error"
 }
@@ -85,11 +130,11 @@ func AcceptCommand(args []string, clientID int) string {
 	defer clientsMutex.Unlock()
 	matchesMutex.Lock()
 	defer matchesMutex.Unlock()
-	if clients[clientID].match.guest == clients[clientID] {
+	if clients[clientID].match != nil && clients[clientID].match.guest == clients[clientID] {
-		clients[clientID].match.round = 0
 		clients[clientID].match.host.sendMessage("Accepted", clients[clientID])
 		clients[clientID].isHost = false
-		clients[clientID].match.gun.Reload(8)
+		clients[clientID].match.Guestturn = false
+		clients[clientID].match.Start()
 		return "Accepted"
 	}
 	return "No match to accept"
@@ -98,11 +143,11 @@ func AcceptCommand(args []string, clientID int) string {
 func StartCommand(args []string, clientID int) string {
 	if len(args) == 1 {
 		targetID := getByIDOrName(args[0])
-		if targetID >= 0 {
+		if targetID >= 0 && targetID != clientID && (clients[clientID].match == nil || clients[clientID].match.round <= 0) {
 			match := Match{
 				host:  clients[clientID],
 				guest: clients[targetID],
-				round: -1,
+				round: 0,
 				gun: Gun{
 					doubled: false,
 				},
@@ -110,11 +155,13 @@ func StartCommand(args []string, clientID int) string {
 			clientsMutex.Lock()
 			clients[clientID].match = &match
 			clients[targetID].match = &match
+			clients[clientID].isHost = true
 			clients[targetID].sendMessage("Type \"accept\" to accept a match.", clients[clientID])
 			clientsMutex.Unlock()
 			matchesMutex.Lock()
 			matches = append(matches, &match)
 			matchesMutex.Unlock()
+			return "Successfully challenged"
 		} else {
 			return "Unknown user"
 		}
@@ -122,14 +169,6 @@ func StartCommand(args []string, clientID int) string {
 	return "Invalid argument"
 }
 
-func HelpCommand(args []string, clientID int) string {
-	// Handle help command
-	if len(clients) > 0 {
-		return "Just help yourself, " + clients[clientID].Username
-	}
-	return "No clients available"
-}
-
 func RandomCommand(args []string, clientID int) string {
 	// Handle help command
 	if len(args) == 2 {
@@ -153,7 +192,7 @@ func ClearCommand(args []string, clientID int) string {
 
 func SetNameCommand(args []string, clientID int) string {
 	// Handle help command
-	if len(args) == 1 {
+	if len(args) >= 1 {
 		newName := args[0]
 		clients[clientID].Username = newName
 		return "Name set to " + newName

gun.go

@@ -8,25 +8,38 @@ type Gun struct {
 }
 
 // fire
-func (g Gun) Shoot(target *Client) bool {
+func (g Gun) Shoot(target *Client) (int, []bool) {
-	shot := false
+	shot := 2
+	if len(g.magazine) == 0 {
+		return shot, g.magazine
+	}
+	shot = 0
 	if g.magazine[len(g.magazine)-1] {
-		shot = true
+		shot = 1
 		if g.doubled {
-			target.hp -= 2
+			target.HP -= 2
 		} else {
-			target.hp -= 1
+			target.HP -= 1
 		}
+		target.send("\a")
+		target.match.Send("")
 	}
-	g.magazine = g.magazine[:len(g.magazine)-1]
+
+	g.magazine = g.Rack()
 
 	g.doubled = false
-	return shot
+	return shot, g.magazine
 }
 
-func (g Gun) Reload(count int) {
+func (g Gun) Rack() []bool {
+	g.magazine = g.magazine[:len(g.magazine)-1]
+	return g.magazine
+}
+
+func (g Gun) Reload(count int) []bool {
 	g.magazine = make([]bool, count)
 	for i := 0; i < count; i++ {
-		g.magazine[i] = rand.Intn(2) == 1
+		g.magazine[i] = rand.Intn(6) <= 2
 	}
+	return g.magazine
 }

item.go

@@ -3,12 +3,15 @@ package main
 type Item struct {
 	kind  int
 	match *Match
+	owner *Client
 }
 
 func (i Item) name() string {
 	switch i.kind {
 	case 0:
 		return "Doubler"
+	case 1:
+		return "Beer"
 	default:
 		return "None"
 	}
@@ -18,5 +21,13 @@ func (i Item) useItem(param1 int) {
 	switch i.kind {
 	case 0:
 		i.match.gun.doubled = true
+		i.match.SendMessage("I doubled the damage for 1 round", i.owner)
+		break
+	case 1:
+		i.match.gun.Rack()
+		i.match.SendMessage("I rack the magazine", i.owner)
+		i.match.announceRounds()
+		break
+
 	}
 }

match.go

@@ -1,8 +1,179 @@
 package main
 
+import (
+	"math/rand"
+	"strconv"
+)
+
 type Match struct {
 	host      *Client
 	guest     *Client
 	round     int
+	itemCount int
 	gun       Gun
+	Guestturn bool
+}
+
+func (m *Match) LoadGun() {
+	switch m.round {
+	case 1:
+		m.gun.magazine = m.gun.Reload(4)
+		break
+	case 2:
+		m.gun.magazine = m.gun.Reload(8)
+		break
+	case 3:
+		m.gun.magazine = m.gun.Reload(16)
+		break
+	default:
+		m.gun.magazine = m.gun.Reload(1)
+		break
+	}
+}
+
+func (m *Match) Start() {
+	m.NextRound()
+}
+
+func (m *Match) resetHP() {
+	switch m.round {
+	case 1:
+		m.host.HP = 5
+		m.guest.HP = 5
+		break
+	case 2:
+		m.host.HP = 2
+		m.guest.HP = 2
+		break
+	case 3:
+		m.host.HP = 4
+		m.guest.HP = 4
+		break
+	default:
+		m.host.HP = 1
+		m.guest.HP = 1
+		break
+	}
+}
+
+func (m *Match) announceRounds() {
+	live := 0
+	blank := 0
+	for _, round := range m.gun.magazine {
+		if round {
+			live++
+		} else {
+			blank++
+		}
+	}
+
+	doubled := "Shotgun is normal"
+
+	if m.gun.doubled {
+		doubled = "Shotgun is doubled"
+	}
+
+	m.Send("\r\nRounds are:\r\nLive - " + strconv.Itoa(live) + "\r\nBlank - " + strconv.Itoa(blank) + "\r\n" + doubled)
+}
+
+func (m *Match) announceHP() {
+	m.Send("\r\nHPs are:\r\n" +
+		m.host.Username + "(" + strconv.Itoa(m.host.ID) + ")" + " - " + strconv.Itoa(m.host.HP) + "\r\n" +
+		m.guest.Username + "(" + strconv.Itoa(m.guest.ID) + ")" + " - " + strconv.Itoa(m.guest.HP))
+}
+
+func (m *Match) giveItems() {
+	count := 0
+	switch m.round {
+	case 2:
+		count = 2
+		break
+	case 3:
+		count = 3
+		break
+	}
+
+	for i := 0; i < count; i++ {
+		m.host.items = append(m.host.items, Item{
+			kind:  rand.Intn(m.itemCount), //currently only item 0 exists
+			match: m,
+			owner: m.host,
+		})
+		m.guest.items = append(m.host.items, Item{
+			kind:  rand.Intn(m.itemCount), //currently only item 0 exists
+			match: m,
+			owner: m.guest,
+		})
+	}
+}
+
+func (m *Match) announceItems() {
+	out := ""
+	for i := 0; i < len(m.host.items); i++ {
+		name := m.host.items[i].name()
+		out += strconv.Itoa(i) + " - " + name + "\r\n"
+	}
+	m.SendMessage("My items:\r\n"+out, m.host)
+
+	out = ""
+	for i := 0; i < len(m.guest.items); i++ {
+		name := m.guest.items[i].name()
+		out += strconv.Itoa(i) + " - " + name + "\r\n"
+	}
+	m.SendMessage("My items:\r\n"+out, m.guest)
+}
+
+func (m *Match) NextRound() bool {
+	defer m.announceItems()
+	defer m.announceRounds()
+	defer m.announceHP()
+	defer m.LoadGun()
+	defer m.resetHP()
+	defer m.giveItems()
+	if m.round < 3 {
+		m.round++
+	} else if m.round == 3 {
+		return true //final
+	}
+	return false
+}
+
+func (m *Match) Send(message string) {
+	m.host.sendMessage(message, m.host)
+	m.guest.sendMessage(message, m.guest)
+}
+
+func (m *Match) SendMessage(message string, sender *Client) {
+	m.host.sendMessage(message, sender)
+	m.guest.sendMessage(message, sender)
+}
+
+func (m *Match) announceTurn() {
+	if m.Guestturn {
+		m.guest.sendMessage("It is your turn to shoot", m.host)
+	} else {
+		m.host.sendMessage("It is your turn to shoot", m.guest)
+	}
+}
+
+func (m *Match) CheckStatus() {
+	if m.host.HP < 1 {
+		m.SendMessage("I died", m.host)
+		m.SendMessage("I won", m.guest)
+	}
+	if m.guest.HP < 1 {
+		m.SendMessage("I died", m.guest)
+		m.SendMessage("I won", m.host)
+	}
+	if m.host.HP > 0 && m.guest.HP > 0 {
+		if m.round >= 3 {
+			m.SendMessage("I won", m.host)
+			m.SendMessage("I won", m.guest)
+		} else {
+			m.announceTurn()
+		}
+	}
+	if len(m.gun.magazine) == 0 {
+		m.NextRound()
+	}
 }

terminal_handler.go

@@ -85,13 +85,29 @@ func (handler *InternalTerminalHandler) ServeTELNET(ctx telnet.Context, w telnet
 
 				if len(args) > 0 {
 					cmd := args[0]
+					internalCommand := false
 					if cmd == "exit" {
+						internalCommand = true
 						return
+					} else if cmd == "help" {
+						internalCommand = true
+						commands := ""
+						for command, commandEntry := range handler.CommandRegistry.commands {
+							commands += command + " - " + commandEntry.description + "\r\n"
+						}
+						// Handle help command
+						if len(clients) > 0 {
+							clients[clientID].send("Just help yourself, " + clients[clientID].Username + "\r\nCommands:\r\n" + commands)
+						} else {
+							clients[clientID].send("No clients available" + "\r\nCommands:\r\n" + commands)
+						}
 					}
 					handlerFunc, ok, clientID := handler.CommandRegistry.GetCommandHandler(cmd, clientID)
 					clients[clientID].HistoryIndex = 0
+					if ok || internalCommand {
 						if ok {
 							message = handlerFunc(args[1:], clientID)
+						}
 						clients[clientID].History = append(clients[clientID].History, command)
 					} else {
 						message = "Command not found"