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package combat
import "sync"
// State captures a single player's active combat engagement.
type State struct {
PlayerName string
MobID string
Active bool
DamageWarningShown bool
}
// Tracker holds all in-progress combat engagements. One player fights one mob
// at a time; one mob is fought by one player at a time (the IsMobInCombat lock
// is reused by task/labor mobs too). Safe for concurrent use.
type Tracker struct {
mu sync.Mutex
combatants map[string]*State // player name -> state
mobTargets map[string]string // mob instance ID -> player name
}
// NewTracker returns an empty combat tracker.
func NewTracker() *Tracker {
return &Tracker{
combatants: make(map[string]*State),
mobTargets: make(map[string]string),
}
}
// Enter records that playerName is now fighting mobID.
func (t *Tracker) Enter(playerName, mobID string) {
t.mu.Lock()
defer t.mu.Unlock()
t.combatants[playerName] = &State{
PlayerName: playerName,
MobID: mobID,
Active: true,
}
t.mobTargets[mobID] = playerName
}
// Leave ends playerName's combat, freeing their target mob.
func (t *Tracker) Leave(playerName string) {
t.mu.Lock()
defer t.mu.Unlock()
state, ok := t.combatants[playerName]
if !ok {
return
}
delete(t.mobTargets, state.MobID)
delete(t.combatants, playerName)
}
// Get returns the player's combat state, or nil if not in combat.
func (t *Tracker) Get(playerName string) *State {
t.mu.Lock()
defer t.mu.Unlock()
return t.combatants[playerName]
}
// IsMobInCombat reports whether the mob instance is currently engaged.
func (t *Tracker) IsMobInCombat(mobID string) bool {
t.mu.Lock()
defer t.mu.Unlock()
_, ok := t.mobTargets[mobID]
return ok
}
// MobTarget returns the name of the player fighting the mob, or "".
func (t *Tracker) MobTarget(mobID string) string {
t.mu.Lock()
defer t.mu.Unlock()
return t.mobTargets[mobID]
}
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