Added level pack selection.

cmd/krampus19/context.go

@@ -27,7 +27,7 @@ type Context struct {
 	ResourcesFs  afero.Fs
 	Textures     map[string]texture
 	Sprites      map[string]sprite
-	Levels       map[string]levelPack
+	Levels       *levelPacks
 	Progress     progress
 	SpriteDrawer SpriteDrawer
 	Settings     settings

cmd/krampus19/game.go

@@ -103,7 +103,7 @@ func (g *game) loadTextures(pathToName map[string]string) error {
 }
 
 func (g *game) loadLevelPacks() error {
-	g.ctx.Levels = map[string]levelPack{}
+	g.ctx.Levels = newLevelPacks()
 
 	var ids []string
 	const root = "levels"
@@ -152,7 +152,7 @@ func (g *game) loadLevelPack(id string) error {
 	if err != nil {
 		return err
 	}
-	g.ctx.Levels[id] = pack
+	g.ctx.Levels.Add(id, pack)
 	return nil
 }
 
@@ -206,7 +206,7 @@ func (g *game) loadAssets() error {
 	if err != nil {
 		return err
 	}
-	log.Printf("Loaded %d levels packs.\n", len(g.ctx.Levels))
+	log.Printf("Loaded %d levels packs (%d levels).\n", g.ctx.Levels.Len(), g.ctx.Levels.LenLevels())
 
 	log.Println("Loading fonts...")
 	err = g.loadFonts()

cmd/krampus19/levelpack.go

@@ -29,6 +29,8 @@ func (p levelPack) FindNext(level string) (string, bool) {
 	return p.order[idx+1], true
 }
 
+func (p levelPack) Len() int { return len(p.order) }
+
 type parseLevelPackContext struct {
 	name   string
 	levels []string

cmd/krampus19/levelpacks.go

@@ -0,0 +1,36 @@
+package main
+
+type levelPacks struct {
+	packs map[string]levelPack
+	order []string
+}
+
+func newLevelPacks() *levelPacks {
+	return &levelPacks{map[string]levelPack{}, nil}
+}
+
+func (p *levelPacks) Add(id string, pack levelPack) {
+	p.order = append(p.order, id)
+	p.packs[id] = pack
+}
+
+func (p *levelPacks) ByID(id string) levelPack { return p.packs[id] }
+
+func (p *levelPacks) FirstPackID() string {
+	if p.Len() == 0 {
+		return ""
+	}
+	return p.order[0]
+}
+
+func (p *levelPacks) Len() int { return len(p.order) }
+
+func (p *levelPacks) LenLevels() int {
+	var cnt int
+	for _, pack := range p.packs {
+		cnt += pack.Len()
+	}
+	return cnt
+}
+
+func (p *levelPacks) MustSelect() bool { return p.Len() != 1 }

cmd/krampus19/levelpackselect.go

@@ -0,0 +1,40 @@
+package main
+
+import (
+	"opslag.de/schobers/allg5"
+
+	"opslag.de/schobers/krampus19/alui"
+)
+
+type levelPackSelect struct {
+	alui.Menu
+
+	ctx *Context
+}
+
+func (s *levelPackSelect) Enter(ctx *Context) error {
+	s.ctx = ctx
+	s.Init()
+	s.AddChild(newHeader("Select a level pack"))
+	for _, id := range s.ctx.Levels.order {
+		var copy = id
+		s.Add(s.ctx.Levels.ByID(id).name, func() {
+			s.ctx.Navigation.SelectLevel(copy)
+		})
+	}
+	s.Add("Back to main menu", func() { s.ctx.Navigation.ShowMainMenu() })
+	return nil
+}
+
+func (s *levelPackSelect) Handle(e allg5.Event) {
+	switch e := e.(type) {
+	case *allg5.KeyDownEvent:
+		switch e.KeyCode {
+		case allg5.KeyEscape:
+			s.ctx.Navigation.ShowMainMenu()
+		}
+	}
+	s.Menu.Handle(e)
+}
+
+func (s *levelPackSelect) Leave() {}

cmd/krampus19/levelselect.go

@@ -19,7 +19,7 @@ type levelSelect struct {
 
 func (s *levelSelect) Enter(ctx *Context) error {
 	s.ctx = ctx
-	s.pack = s.ctx.Levels[s.packID]
+	s.pack = s.ctx.Levels.ByID(s.packID)
 	s.Init()
 	name := func(i int, steps int) string {
 		if steps == 0 {
@@ -27,12 +27,20 @@ func (s *levelSelect) Enter(ctx *Context) error {
 		}
 		return fmt.Sprintf("Level %d (%d)", i, steps)
 	}
+	if s.ctx.Levels.MustSelect() {
+		s.AddChild(newHeader(fmt.Sprintf("Select a '%s' level", s.pack.name)))
+	} else {
+		s.AddChild(newHeader("Select a level"))
+	}
 	for i, id := range s.pack.order {
 		levelID := id
 		s.Add(name(i+1, s.ctx.Progress.Level(s.packID, levelID).Steps), func() {
 			s.ctx.Navigation.PlayLevel(s.packID, levelID)
 		})
 	}
+	if s.ctx.Levels.MustSelect() {
+		s.Add("Select level pack", func() { s.ctx.Navigation.SelectPack() })
+	}
 	s.Add("Back to main menu", func() { s.ctx.Navigation.ShowMainMenu() })
 	return nil
 }

cmd/krampus19/mainmenu.go

@@ -11,11 +11,15 @@ type mainMenu struct {
 	ctx *Context
 }
 
+func newHeader(label string) alui.Control {
+	return alui.NewMargins(&alui.Label{ControlBase: alui.ControlBase{Font: "header"}, Text: label, TextAlign: allg5.AlignCenter}, 3*margin)
+}
+
 func (m *mainMenu) Enter(ctx *Context) error {
 	m.ctx = ctx
 	m.Init()
-	m.AddChild(alui.NewMargins(&alui.Label{ControlBase: alui.ControlBase{Font: "header"}, Text: "Sokodragon", TextAlign: allg5.AlignCenter}, 3*margin))
-	m.Add("Play", func() { m.ctx.Navigation.SelectLevel("1") })
+	m.AddChild(newHeader("Sokodragon"))
+	m.Add("Play", func() { m.ctx.Navigation.SelectPack() })
 	m.Add("Settings", func() { m.ctx.Navigation.ChangeSettings() })
 	m.Add("Quit", func() { m.ctx.Navigation.Quit() })
 	return nil

cmd/krampus19/navigation.go

@@ -28,6 +28,15 @@ func (n *navigation) SelectLevel(packID string) {
 	n.switchTo(&levelSelect{packID: packID})
 }
 
+func (n *navigation) SelectPack() {
+	if n.game.ctx.Levels.MustSelect() {
+		n.switchTo(&levelPackSelect{})
+	} else {
+		packID := n.game.ctx.Levels.FirstPackID()
+		n.SelectLevel(packID)
+	}
+}
+
 func (n *navigation) ShowMainMenu() {
 	n.switchTo(&mainMenu{})
 }

cmd/krampus19/playlevel.go

@@ -82,6 +82,9 @@ func (l *playLevel) onComplete() {
 	if ok {
 		menu.Add("Continue with next", func() { l.ctx.Navigation.PlayLevel(l.packID, nextID) })
 	}
+	if l.ctx.Levels.MustSelect() {
+		menu.Add("Select level pack", func() { l.ctx.Navigation.SelectPack() })
+	}
 	menu.Add("Select level", func() { l.ctx.Navigation.SelectLevel(l.packID) })
 	menu.Add("Go to main menu", func() { l.ctx.Navigation.ShowMainMenu() })
 

cmd/krampus19/playlevelstate.go

@@ -61,7 +61,7 @@ func (s *playLevelState) IsNextToMagma(pos geom.Point) bool {
 
 func (s *playLevelState) Init(ctx *Context, pack, level string, onComplete func()) {
 	s.ctx = ctx
-	s.pack = ctx.Levels[pack]
+	s.pack = ctx.Levels.ByID(pack)
 	s.level = s.pack.levels[level]
 	s.bricks = nil
 	s.sunken = nil