Show tooltips when hovering

internal/assetstore/assetstore.go

@@ -6,6 +6,8 @@ import (
 	"os"
 	"path/filepath"
 	"strings"
+
+	"code.ur.gs/lupine/ordoor/internal/data"
 )
 
 const (
@@ -32,11 +34,12 @@ type AssetStore struct {
 	entries entryMap
 
 	// These members are used to store things we've already loaded
-	maps   map[string]*Map
-	menus  map[string]*Menu
-	objs   map[string]*Object
-	sets   map[string]*Set
-	sounds map[string]*Sound
+	maps    map[string]*Map
+	menus   map[string]*Menu
+	objs    map[string]*Object
+	sets    map[string]*Set
+	sounds  map[string]*Sound
+	strings *data.I18n
 }
 
 // New returns a new AssetStore
@@ -86,6 +89,7 @@ func (a *AssetStore) Refresh() error {
 	a.objs = make(map[string]*Object)
 	a.sets = make(map[string]*Set)
 	a.sounds = make(map[string]*Sound)
+	a.strings = nil
 
 	return nil
 }

internal/assetstore/i18n.go

@@ -0,0 +1,29 @@
+package assetstore
+
+import (
+	"code.ur.gs/lupine/ordoor/internal/data"
+)
+
+// Internationalisation is completely hidden inside the asset store. Everything
+// comes out already converted.
+//
+// FIXME: Allow the language to be set. Right now, it's hardcoded to USEng
+// because that's the only copy of Chaos Gate I have.
+func (a *AssetStore) i18n() (*data.I18n, error) {
+	if a.strings != nil {
+		return a.strings, nil
+	}
+
+	filename, err := a.lookup(data.I18nFile, "", "Data")
+	if err != nil {
+		return nil, err
+	}
+
+	i18n, err := data.LoadI18n(filename)
+	if err != nil {
+		return nil, err
+	}
+
+	a.strings = i18n
+	return i18n, nil
+}

internal/assetstore/menu.go

@@ -54,6 +54,13 @@ func (a *AssetStore) Menu(name string) (*Menu, error) {
 		return nil, err
 	}
 
+	i18n, err := a.i18n()
+	if err != nil {
+		return nil, err
+	}
+
+	raw.Internationalize(i18n)
+
 	obj, err := a.loadMenuObject(raw) // TODO: multiple objects
 	if err != nil {
 		return nil, err

internal/ui/interface.go

@@ -6,6 +6,7 @@ import (
 	"reflect" // For DeepEqual
 
 	"github.com/hajimehoshi/ebiten"
+	"github.com/hajimehoshi/ebiten/ebitenutil"
 
 	"code.ur.gs/lupine/ordoor/internal/assetstore"
 	"code.ur.gs/lupine/ordoor/internal/menus"
@@ -93,6 +94,11 @@ func (i *Interface) Draw(screen *ebiten.Image) error {
 			return err
 		}
 		do.GeoM = geo
+
+		if widget.hoverState && widget.Tooltip != "" {
+			mouseX, mouseY := ebiten.CursorPosition()
+			ebitenutil.DebugPrintAt(screen, widget.Tooltip, mouseX+16, mouseY-16)
+		}
 	}
 
 	return nil
@@ -167,10 +173,11 @@ func (i *Interface) widgetFromRecord(record *menus.Record) (*Widget, error) {
 	}
 
 	widget := &Widget{
-		Bounds: sprite.Rect,
-		path:   path,
-		record: record,
-		sprite: sprite,
+		Bounds:  sprite.Rect,
+		Tooltip: record.Desc,
+		path:    path,
+		record:  record,
+		sprite:  sprite,
 	}
 
 	switch record.Type {

internal/ui/widget.go

@@ -13,8 +13,8 @@ import (
 // non-interactive areas are not widgets.
 type Widget struct {
 	// Position on the screen in original (i.e., unscaled) coordinates
-	Bounds image.Rectangle
-	// Tooltip string // TODO: show the tooltip when hovering?
+	Bounds  image.Rectangle
+	Tooltip string
 
 	OnHoverEnter func()
 	OnHoverLeave func()