func (self *Region) GetEvent(evt_type events.EventType, body string, origin entities.Entity) *events.Event {
str_origin := ""
if origin != nil {
str_origin = origin.ID()
}
return &events.Event{self.ID(), evt_type, str_origin, body}
}
func (self *Region) RemoveEntity(entity entities.Entity) {
// Tell everyone else that the entity is leaving.
self.Broadcast(self.GetEvent(events.REGION_EXIT, entity.ID(), entity))
// Find the entity
location := -1
for i, e := range self.entities {
if *e == entity {
location = i
break
}
}
if location == -1 {
log.Println("Could not find entity to remove!")
return
}
// ...and remove it
self.entities = append(self.entities[:location], self.entities[location+1:]...)
}
func (self *Region) AddEntity(entity entities.Entity) {
// Add the entity to the list of entities.
self.entities = append(self.entities, &entity)
// Tell everyone else that the entity is here.
x, y := entity.BlockingPosition()
self.Broadcast(
self.GetEvent(
events.REGION_ENTRANCE,
fmt.Sprintf(
"%s\n%f %f",
entity.BlockingString(),
x, y,
),
entity,
),
)
// Tell the entity about everyone else.
for _, regEnt := range self.entities {
if regEnt == &entity {
continue
}
x, y := (*regEnt).BlockingPosition()
entity.Receive() <- self.GetEvent(
events.REGION_ENTRANCE,
fmt.Sprintf(
"%s\n%f %f",
<-((*regEnt).String()),
x, y,
),
*regEnt,
)
}
}