/*
SystemMove applies makes every entity with movement try to move in the map
*/
func SystemMove(db *engine.EntityDB) {
for _, eid := range db.Search("movement", "position") {
pos := db.Get(eid, "position").(*Position)
mov := db.Get(eid, "movement").(*Movement)
emap := db.Get(pos.R, "map").(*EntityMap)
// Prevent entities from moving on top of each other, temporarily
if emap.Get(pos.X+mov.Dx, pos.Y+mov.Dy, pos.Z+mov.Dz) != 0 {
continue
}
// Move and update the map
emap.Set(pos.X, pos.Y, pos.Z, 0)
pos.X += mov.Dx
pos.Y += mov.Dy
pos.Z += mov.Dz
emap.Set(pos.X, pos.Y, pos.Z, eid)
}
}
/*
SystemAct allows each entity with an AI to attempt to act
*/
func SystemAct(db *engine.EntityDB) {
for _, eid := range db.Search("ai", "position") {
ai := db.Get(eid, "ai").(*AI)
ai.Controller.Act(db, eid)
}
}