package doodle import ( "errors" "fmt" "io/ioutil" "os" "strings" "git.kirsle.net/apps/doodle/lib/events" "git.kirsle.net/apps/doodle/lib/render" "git.kirsle.net/apps/doodle/pkg/doodads" "git.kirsle.net/apps/doodle/pkg/enum" "git.kirsle.net/apps/doodle/pkg/level" "git.kirsle.net/apps/doodle/pkg/log" "git.kirsle.net/apps/doodle/pkg/userdir" ) // EditorScene manages the "Edit Level" game mode. type EditorScene struct { // Configuration for the scene initializer. DrawingType enum.DrawingType OpenFile bool Filename string DoodadSize int UI *EditorUI d *Doodle // The current level or doodad object being edited, based on the // DrawingType. Level *level.Level Doodad *doodads.Doodad // Custom debug overlay values. debTool *string debSwatch *string debWorldIndex *string // Last saved filename by the user. filename string } // Name of the scene. func (s *EditorScene) Name() string { return "Edit" } // Setup the editor scene. func (s *EditorScene) Setup(d *Doodle) error { // Debug overlay values. s.debTool = new(string) s.debSwatch = new(string) s.debWorldIndex = new(string) customDebugLabels = []debugLabel{ {"Pixel:", s.debWorldIndex}, {"Tool:", s.debTool}, {"Swatch:", s.debSwatch}, } // Initialize the user interface. It references the palette and such so it // must be initialized after those things. s.d = d s.UI = NewEditorUI(d, s) // Were we given configuration data? if s.Filename != "" { log.Debug("EditorScene.Setup: Set filename to %s", s.Filename) s.filename = s.Filename s.Filename = "" } // Loading a Level or a Doodad? switch s.DrawingType { case enum.LevelDrawing: if s.Level != nil { log.Debug("EditorScene.Setup: received level from scene caller") s.UI.Canvas.LoadLevel(d.Engine, s.Level) s.UI.Canvas.InstallActors(s.Level.Actors) } else if s.filename != "" && s.OpenFile { log.Debug("EditorScene.Setup: Loading map from filename at %s", s.filename) if err := s.LoadLevel(s.filename); err != nil { d.Flash("LoadLevel error: %s", err) } else { s.UI.Canvas.InstallActors(s.Level.Actors) } } // No level? if s.Level == nil { log.Debug("EditorScene.Setup: initializing a new Level") s.Level = level.New() s.Level.Palette = level.DefaultPalette() s.UI.Canvas.LoadLevel(d.Engine, s.Level) s.UI.Canvas.ScrollTo(render.Origin) s.UI.Canvas.Scrollable = true } case enum.DoodadDrawing: // No Doodad? if s.filename != "" && s.OpenFile { log.Debug("EditorScene.Setup: Loading doodad from filename at %s", s.filename) if err := s.LoadDoodad(s.filename); err != nil { d.Flash("LoadDoodad error: %s", err) } } // No Doodad? if s.Doodad == nil { log.Debug("EditorScene.Setup: initializing a new Doodad") s.Doodad = doodads.New(s.DoodadSize) s.UI.Canvas.LoadDoodad(s.Doodad) } // TODO: move inside the UI. Just an approximate position for now. s.UI.Canvas.Resize(render.NewRect(int32(s.DoodadSize), int32(s.DoodadSize))) s.UI.Canvas.ScrollTo(render.Origin) s.UI.Canvas.Scrollable = false s.UI.Workspace.Compute(d.Engine) } d.Flash("Editor Mode. Press 'P' to play this map.") return nil } // Loop the editor scene. func (s *EditorScene) Loop(d *Doodle, ev *events.State) error { // Update debug overlay values. *s.debTool = s.UI.Canvas.Tool.String() *s.debSwatch = s.UI.Canvas.Palette.ActiveSwatch.Name *s.debWorldIndex = s.UI.Canvas.WorldIndexAt(s.UI.cursor).String() // Has the window been resized? if resized := ev.Resized.Read(); resized { w, h := d.Engine.WindowSize() if w != d.width || h != d.height { // Not a false alarm. d.width = w d.height = h s.UI.Resized(d) return nil } } s.UI.Loop(ev) // Switching to Play Mode? if ev.KeyName.Read() == "p" { log.Info("Play Mode, Go!") d.Goto(&PlayScene{ Filename: s.filename, Level: s.Level, }) return nil } return nil } // Draw the current frame. func (s *EditorScene) Draw(d *Doodle) error { // Clear the canvas and fill it with magenta so it's clear if any spots are missed. d.Engine.Clear(render.Magenta) s.UI.Present(d.Engine) return nil } // LoadLevel loads a level from disk. func (s *EditorScene) LoadLevel(filename string) error { s.filename = filename level, err := level.LoadJSON(filename) fmt.Printf("%+v\n", level) if err != nil { return fmt.Errorf("EditorScene.LoadLevel(%s): %s", filename, err) } s.DrawingType = enum.LevelDrawing s.Level = level s.UI.Canvas.LoadLevel(s.d.Engine, s.Level) log.Info("Installing %d actors into the drawing", len(level.Actors)) if err := s.UI.Canvas.InstallActors(level.Actors); err != nil { return fmt.Errorf("EditorScene.LoadLevel: InstallActors: %s", err) } return nil } // SaveLevel saves the level to disk. // TODO: move this into the Canvas? func (s *EditorScene) SaveLevel(filename string) error { if s.DrawingType != enum.LevelDrawing { return errors.New("SaveLevel: current drawing is not a Level type") } if !strings.HasSuffix(filename, enum.LevelExt) { filename += enum.LevelExt } s.filename = filename m := s.Level if m.Title == "" { m.Title = "Alpha" } if m.Author == "" { m.Author = os.Getenv("USER") } m.Palette = s.UI.Canvas.Palette m.Chunker = s.UI.Canvas.Chunker() json, err := m.ToJSON() if err != nil { return fmt.Errorf("SaveLevel error: %s", err) } // Save it to their profile directory. filename = userdir.LevelPath(filename) log.Info("Write Level: %s", filename) err = ioutil.WriteFile(filename, json, 0644) if err != nil { return fmt.Errorf("Create map file error: %s", err) } return nil } // LoadDoodad loads a doodad from disk. func (s *EditorScene) LoadDoodad(filename string) error { s.filename = filename doodad, err := doodads.LoadJSON(filename) if err != nil { return fmt.Errorf("EditorScene.LoadDoodad(%s): %s", filename, err) } s.DrawingType = enum.DoodadDrawing s.Doodad = doodad s.DoodadSize = doodad.Layers[0].Chunker.Size s.UI.Canvas.LoadDoodad(s.Doodad) return nil } // SaveDoodad saves the doodad to disk. func (s *EditorScene) SaveDoodad(filename string) error { if s.DrawingType != enum.DoodadDrawing { return errors.New("SaveDoodad: current drawing is not a Doodad type") } if !strings.HasSuffix(filename, enum.DoodadExt) { filename += enum.DoodadExt } s.filename = filename d := s.Doodad if d.Title == "" { d.Title = "Untitled Doodad" } if d.Author == "" { d.Author = os.Getenv("USER") } // TODO: is this copying necessary? d.Palette = s.UI.Canvas.Palette d.Layers[0].Chunker = s.UI.Canvas.Chunker() // Save it to their profile directory. filename = userdir.DoodadPath(filename) log.Info("Write Doodad: %s", filename) err := d.WriteJSON(filename) return err } // Destroy the scene. func (s *EditorScene) Destroy() error { return nil }