feat: trigger system for scripted events added.

1 files changed, 45 insertions, 0 deletions

diff --git a/internal/world/mob.go b/internal/world/mob.go
index f11d6fe..d3ea05b 100644
--- a/internal/world/mob.go
+++ b/internal/world/mob.go
@@ -127,6 +127,14 @@ type MobInstance struct {
 	CompleteMessage string
 
 	TalkConfig *behavior.TalkConfig
+
+	Owner             string
+	OwnerOnly         bool
+	SpawnedByTrigger  bool
+	DespawnOnLeave    bool
+	DespawnRooms      []int
+	DespawnTicks      float64
+	DespawnCounter    int
 }
 
 func (m *MobInstance) IsTalkable() bool { return m.TalkConfig != nil }
@@ -215,6 +223,20 @@ func (m *MobInstance) StartRegen() {
 	}
 }
 
+func (m *MobInstance) DespawnTickCount() int {
+	return m.DespawnCounter
+}
+
+func (m *MobInstance) DecrementDespawnCounter() {
+	if m.DespawnCounter > 0 {
+		m.DespawnCounter--
+	}
+}
+
+func (m *MobInstance) ResetDespawnCounter(ticks int) {
+	m.DespawnCounter = ticks
+}
+
 type MobStore struct {
 	dataDir   string
 	mu        sync.Mutex
@@ -326,6 +348,29 @@ func (s *MobStore) RollIdleDescription(inst *MobInstance) {
 	inst.WanderTickCounter = 0
 }
 
+func (s *MobStore) SpawnTransient(def *MobDef, cfg *SpawnMobConfig, roomID int, owner string) *MobInstance {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	instID := fmt.Sprintf("trigger_%s_%d_%d", cfg.ID, roomID, len(s.instances))
+	inst := NewMobInstance(def, instID, roomID, nil, 0)
+	inst.Owner = owner
+	inst.OwnerOnly = cfg.OwnerOnly
+	inst.SpawnedByTrigger = true
+	inst.DespawnOnLeave = cfg.DespawnOnLeave
+	inst.DespawnRooms = cfg.DespawnRooms
+	inst.DespawnTicks = cfg.DespawnTicks
+	inst.IdleDescription = pickIdleDescription(def.IdleDescriptions)
+	s.instances[instID] = inst
+	return inst
+}
+
+func (s *MobStore) RemoveInstance(instanceID string) {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	delete(s.instances, instanceID)
+}
+
 func (s *MobStore) SeedMobs(roomID int, entries []RoomMob) {
 	type defWrapper struct {
 		def *MobDef