51 lines
1.3 KiB
Go
51 lines
1.3 KiB
Go
package level
|
|
|
|
import "git.kirsle.net/SketchyMaze/doodle/pkg/log"
|
|
|
|
// Maintenance functions for the file format on disk.
|
|
|
|
// Vacuum runs any maintenance or migration tasks for the level at time of save.
|
|
//
|
|
// It will prune broken links between actors, or migrate internal data structures
|
|
// to optimize storage on disk of its binary data.
|
|
func (m *Level) Vacuum() error {
|
|
if links := m.PruneLinks(); links > 0 {
|
|
log.Debug("Vacuum: removed %d broken links between actors in this level.")
|
|
}
|
|
|
|
// Let the Chunker optimize accessor types.
|
|
m.Chunker.OptimizeChunkerAccessors()
|
|
|
|
return nil
|
|
}
|
|
|
|
// PruneLinks cleans up any Actor Links that can not be resolved in the
|
|
// level data. For example, if actors were linked in Edit Mode and one
|
|
// actor is deleted leaving a broken link.
|
|
//
|
|
// Returns the number of broken links pruned.
|
|
//
|
|
// This is called automatically in WriteFile.
|
|
func (m *Level) PruneLinks() int {
|
|
var count int
|
|
for id, actor := range m.Actors {
|
|
var newLinks []string
|
|
|
|
for _, linkID := range actor.Links {
|
|
if _, ok := m.Actors[linkID]; !ok {
|
|
log.Warn("Level.PruneLinks: actor %s (%s) was linked to unresolved actor %s",
|
|
id,
|
|
actor.Filename,
|
|
linkID,
|
|
)
|
|
count++
|
|
continue
|
|
}
|
|
newLinks = append(newLinks, linkID)
|
|
}
|
|
|
|
actor.Links = newLinks
|
|
}
|
|
return count
|
|
}
|