From ba7c06e5fd3b4e55fe57a2c0211b0d9e4f4bc677 Mon Sep 17 00:00:00 2001
From: Nick Thomas <me@ur.gs>
Date: Sun, 22 Mar 2020 15:37:48 +0000
Subject: [PATCH] Show tooltips when hovering

---
 cmd/view-menu/main.go             |  8 --------
 internal/assetstore/assetstore.go | 14 +++++++++-----
 internal/assetstore/i18n.go       | 29 +++++++++++++++++++++++++++++
 internal/assetstore/menu.go       |  7 +++++++
 internal/ui/interface.go          | 15 +++++++++++----
 internal/ui/widget.go             |  4 ++--
 6 files changed, 58 insertions(+), 19 deletions(-)
 create mode 100644 internal/assetstore/i18n.go

diff --git a/cmd/view-menu/main.go b/cmd/view-menu/main.go
index ccb0850..f459efa 100644
--- a/cmd/view-menu/main.go
+++ b/cmd/view-menu/main.go
@@ -47,18 +47,10 @@ func main() {
 		log.Fatalf("Couldn't load menu %s: %v", *menuName, err)
 	}
 
-	/* TODO: move i18n, fonts into assetstore
-	if i18n, err := data.LoadI18n(filepath.Join(*gamePath, "Data", data.I18nFile)); err != nil {
-		log.Printf("Failed to load i18n data, skipping internationalization: %v", err)
-	} else {
-		menu.Internationalize(i18n)
-	}
-
 	// loadedFonts, err := loadFonts(menu.FontNames...)
 	// if err != nil {
 	// 	log.Fatalf("Failed to load font: %v", err)
 	// }
-	*/
 
 	iface, err := ui.NewInterface(menu)
 	if err != nil {
diff --git a/internal/assetstore/assetstore.go b/internal/assetstore/assetstore.go
index ac512e3..775d8ca 100644
--- a/internal/assetstore/assetstore.go
+++ b/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
 }
diff --git a/internal/assetstore/i18n.go b/internal/assetstore/i18n.go
new file mode 100644
index 0000000..2a3b960
--- /dev/null
+++ b/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
+}
diff --git a/internal/assetstore/menu.go b/internal/assetstore/menu.go
index 388a5fe..fb6e608 100644
--- a/internal/assetstore/menu.go
+++ b/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
diff --git a/internal/ui/interface.go b/internal/ui/interface.go
index b56cf57..ddb692a 100644
--- a/internal/ui/interface.go
+++ b/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 {
diff --git a/internal/ui/widget.go b/internal/ui/widget.go
index 397689d..e0e7f39 100644
--- a/internal/ui/widget.go
+++ b/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()