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83 lines
2.3 KiB
Go
83 lines
2.3 KiB
Go
// Resident hero policy (engine memory):
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// - After the last WebSocket disconnect, the hero stays in Engine.movements; the world keeps ticking.
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// - Cold start: ListHeroesForEngineBootstrap loads rows with ws_disconnected_at set (cap 500 default in main).
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// - Full hero row is saved every offlineDisconnectedFullSaveInterval while heroSubscriber reports false.
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package game
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import (
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"context"
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"log/slog"
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"time"
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"github.com/denisovdennis/autohero/internal/model"
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"github.com/denisovdennis/autohero/internal/storage"
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)
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// BootstrapResidentHeroes loads heroes whose WebSocket session had ended before this process started,
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// catches up wall time using the same batch path as server-downtime recovery, then registers them
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// in the engine so movement and combat continue without a live subscriber.
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func BootstrapResidentHeroes(ctx context.Context, e *Engine, heroStore *storage.HeroStore, sim *OfflineSimulator, limit int, logger *slog.Logger) {
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if e == nil || heroStore == nil || sim == nil {
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return
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}
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heroes, err := heroStore.ListHeroesForEngineBootstrap(ctx, limit)
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if err != nil {
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if logger != nil {
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logger.Error("engine bootstrap: list heroes", "error", err)
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}
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return
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}
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now := time.Now()
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for _, h := range heroes {
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if h == nil {
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continue
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}
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e.mu.Lock()
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_, already := e.movements[h.ID]
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rg := e.roadGraph
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e.mu.Unlock()
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if already || rg == nil {
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continue
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}
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e.mergeTownSessionFromRedis(h)
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if err := sim.SimulateHeroAt(ctx, h, now, true); err != nil {
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if logger != nil {
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logger.Error("engine bootstrap: catch-up sim", "hero_id", h.ID, "error", err)
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}
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continue
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}
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e.mu.Lock()
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if e.roadGraph == nil {
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e.mu.Unlock()
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return
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}
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if _, taken := e.movements[h.ID]; taken {
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e.mu.Unlock()
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continue
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}
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hm := NewHeroMovement(h, e.roadGraph, now)
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e.movements[h.ID] = hm
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hm.MarkTownPausePersisted(hm.townPausePersistSignature())
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hm.SyncToHero()
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if hm.State == model.StateFighting {
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if _, exists := e.combats[h.ID]; !exists {
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en := PickEnemyForLevel(h.Level)
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if en.Slug != "" {
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e.startCombatLocked(hm.Hero, &en)
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} else {
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hm.State = model.StateWalking
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hm.Hero.State = model.StateWalking
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}
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}
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}
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e.mu.Unlock()
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if logger != nil {
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logger.Info("engine bootstrap: resident hero registered", "hero_id", h.ID)
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}
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}
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}
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