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|
package casino
import (
"fmt"
"math/rand"
"sort"
"sync"
)
type Manager struct {
mu sync.Mutex
tables map[string]*Table
machines map[string]*Machine
rng *rand.Rand
}
func NewManager(seed int64) *Manager {
return &Manager{
tables: make(map[string]*Table),
machines: make(map[string]*Machine),
rng: rand.New(rand.NewSource(seed)),
}
}
func tableKey(roomID int, tableID string) string {
return fmt.Sprintf("%d:%s", roomID, tableID)
}
func (m *Manager) EnsureMachine(roomID int, cfg MachineConfig) *Machine {
cfg = cfg.Normalize()
key := tableKey(roomID, cfg.ID)
m.mu.Lock()
defer m.mu.Unlock()
if machine := m.machines[key]; machine != nil {
return machine
}
machine := newMachine(roomID, cfg, m.rng)
m.machines[key] = machine
return machine
}
// EnsureTable returns the table for cfg, or nil when cfg.Game has no
// multiplayer table implementation.
func (m *Manager) EnsureTable(roomID int, cfg TableConfig) *Table {
cfg = cfg.Normalize()
key := tableKey(roomID, cfg.ID)
m.mu.Lock()
defer m.mu.Unlock()
if table := m.tables[key]; table != nil {
return table
}
table := newTable(roomID, cfg, m.rng)
if table == nil {
return nil
}
m.tables[key] = table
return table
}
func (m *Manager) Table(roomID int, tableID string) *Table {
m.mu.Lock()
defer m.mu.Unlock()
return m.tables[tableKey(roomID, tableID)]
}
// snapshotTables copies the live table list under the lock so callers can
// iterate without holding it (table methods take their own locks).
func (m *Manager) snapshotTables() []*Table {
m.mu.Lock()
tables := make([]*Table, 0, len(m.tables))
for _, table := range m.tables {
tables = append(tables, table)
}
m.mu.Unlock()
return tables
}
func (m *Manager) snapshotMachines() []*Machine {
m.mu.Lock()
machines := make([]*Machine, 0, len(m.machines))
for _, machine := range m.machines {
machines = append(machines, machine)
}
m.mu.Unlock()
return machines
}
func (m *Manager) Tick() []Event {
tables := m.snapshotTables()
sort.Slice(tables, func(i, j int) bool {
if tables[i].RoomID != tables[j].RoomID {
return tables[i].RoomID < tables[j].RoomID
}
return tables[i].Config.ID < tables[j].Config.ID
})
var events []Event
for _, table := range tables {
events = append(events, table.tick()...)
}
machines := m.snapshotMachines()
sort.Slice(machines, func(i, j int) bool {
if machines[i].RoomID != machines[j].RoomID {
return machines[i].RoomID < machines[j].RoomID
}
return machines[i].Config.ID < machines[j].Config.ID
})
for _, machine := range machines {
events = append(events, machine.tick()...)
}
return events
}
// withMachine runs fn against the named machine when it exists.
func (m *Manager) withMachine(roomID int, machineID string, fn func(*Machine) []Event) []Event {
m.mu.Lock()
machine := m.machines[tableKey(roomID, machineID)]
m.mu.Unlock()
if machine == nil {
return nil
}
return fn(machine)
}
func (m *Manager) JoinMachine(roomID int, cfg MachineConfig, name string) []Event {
return m.EnsureMachine(roomID, cfg).join(name)
}
func (m *Manager) SetMachineBet(roomID int, machineID, name string, amount int, wallet Wallet) []Event {
return m.withMachine(roomID, machineID, func(machine *Machine) []Event {
return machine.setBet(name, amount, wallet)
})
}
func (m *Manager) StartMachine(roomID int, machineID, name string, wallet Wallet) []Event {
return m.withMachine(roomID, machineID, func(machine *Machine) []Event {
return machine.start(name, wallet)
})
}
func (m *Manager) EnableMachineAutoBet(roomID int, machineID, name string, wallet Wallet) []Event {
return m.withMachine(roomID, machineID, func(machine *Machine) []Event {
return machine.enableAutoBet(name, wallet)
})
}
func (m *Manager) StopMachineAutoBet(roomID int, machineID, name string) ([]Event, bool) {
stopped := false
events := m.withMachine(roomID, machineID, func(machine *Machine) []Event {
events, ok := machine.stopAutoBet(name)
stopped = ok
return events
})
return events, stopped
}
func (m *Manager) LeaveMachine(roomID int, machineID, name string) []Event {
return m.withMachine(roomID, machineID, func(machine *Machine) []Event {
return machine.leave(name)
})
}
func (m *Manager) Join(roomID int, cfg TableConfig, name string) []Event {
table := m.EnsureTable(roomID, cfg)
if table == nil {
return []Event{{RoomID: roomID, TableID: cfg.ID, Type: EventResult, PrivateTo: name, Message: "That game is not available here."}}
}
return table.join(name)
}
func (m *Manager) Leave(roomID int, tableID, name string) []Event {
if table := m.Table(roomID, tableID); table != nil {
return table.leave(name)
}
return nil
}
func (m *Manager) Bet(roomID int, tableID, name, spot string, amount int, wallet Wallet) []Event {
if table := m.Table(roomID, tableID); table != nil {
return table.bet(name, spot, amount, wallet)
}
return []Event{{RoomID: roomID, TableID: tableID, Type: EventResult, Player: name, PrivateTo: name, Message: "That game is not available here."}}
}
func (m *Manager) Action(roomID int, tableID, name, action string) []Event {
if table := m.Table(roomID, tableID); table != nil {
return table.action(name, action)
}
return []Event{{RoomID: roomID, TableID: tableID, Type: EventResult, PrivateTo: name, Message: "That game is not available here."}}
}
func (m *Manager) Rebet(roomID int, tableID, name string) (string, int) {
if table := m.Table(roomID, tableID); table != nil {
return table.rebet(name)
}
return "", 0
}
// MarkDisconnected removes the player from every table and machine,
// forfeiting any wager they had committed, so seats free up immediately.
func (m *Manager) MarkDisconnected(name string) []Event {
var events []Event
for _, table := range m.snapshotTables() {
events = append(events, table.markDisconnected(name)...)
}
for _, machine := range m.snapshotMachines() {
events = append(events, machine.markDisconnected(name)...)
}
return events
}
func (m *Manager) Participation(name string) (*Table, bool) {
m.mu.Lock()
defer m.mu.Unlock()
for _, table := range m.tables {
if table.hasParticipant(name) {
return table, true
}
}
for _, machine := range m.machines {
if machine.hasParticipant(name) {
return nil, true
}
}
return nil, false
}
func (m *Manager) MachineFor(name string) (*Machine, bool) {
m.mu.Lock()
defer m.mu.Unlock()
for _, machine := range m.machines {
if machine.hasParticipant(name) {
return machine, true
}
}
return nil, false
}
func (m *Manager) MachineBusy(name string) bool {
m.mu.Lock()
defer m.mu.Unlock()
for _, machine := range m.machines {
if machine.isBusy(name) {
return true
}
}
return false
}
|
