Play around with menus some more

We now display the buttons in Main.mnu, but a lot remains unknown.

cmd/view-menu/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"flag"
+	"fmt"
 	"log"
 	"os"
 	"path/filepath"
@@ -27,13 +28,14 @@ type env struct {
 	objects []*conv.Object
 	batch   *pixel.Batch
 
-	fonts     []*fonts.Font
+	fonts     []*conv.Font
 	fontObjs  []*conv.Object
 	fontBatch *pixel.Batch
 }
 
 type state struct {
 	env *env
+	cam pixel.Matrix
 
 	step int
 	// Redraw the window if these change
@@ -80,26 +82,36 @@ func main() {
 		menu.Internationalize(i18n)
 	}
 
-	var loadedFonts []*fonts.Font
-	for _, name := range menu.FontNames {
-		font, err := fonts.LoadFont(filepath.Join(*gamePath, "Fonts", name+".fnt"))
+	loadedFonts, err := loadFonts(menu.FontNames...)
 	if err != nil {
-			log.Fatalf("Failed to load font %v: %v", name, err)
-		}
-		loadedFonts = append(loadedFonts, font)
+		log.Fatalf("Failed to load font: %v", err)
 	}
 
 	menuObjs, menuBatch := loadObjects(menu.ObjectFiles...)
 
 	env := &env{
 		menu: menu, objects: menuObjs, batch: menuBatch,
-		fonts: loadedFonts, // TODO: load the objects and start displaying text
+		fonts: loadedFonts,
 	}
 
 	// The main thread now belongs to pixelgl
 	pixelgl.Run(env.run)
 }
 
+func loadFonts(names ...string) ([]*conv.Font, error) {
+	var out []*conv.Font
+	for _, name := range names {
+		fnt, err := fonts.LoadFont(filepath.Join(*gamePath, "Fonts", name+".fnt"))
+		if err != nil {
+			return nil, fmt.Errorf("%v: %v", name, err)
+		}
+
+		out = append(out, conv.ConvertFont(fnt))
+	}
+
+	return out, nil
+}
+
 func (e *env) run() {
 	win, err := ui.NewWindow("View Menu: " + *menuFile)
 	if err != nil {
@@ -151,22 +163,40 @@ func (s *state) present(pWin *pixelgl.Window) {
 	cam = cam.ScaledXY(pixel.ZV, pixel.Vec{1.0, -1.0}) // invert the Y axis
 	cam = cam.Moved(pixel.Vec{origX / 2, origY / 2})
 	cam = cam.ScaledXY(pixel.ZV, scaleFactor)
+	s.cam = cam
 	s.env.batch.SetMatrix(cam)
 
+	textCanvas := pixelgl.NewCanvas(pWin.Bounds())
+	textCanvas.SetMatrix(pixel.IM.ScaledXY(pixel.ZV, scaleFactor))
+
 	for _, record := range s.env.menu.Records {
-		s.drawRecord(record, s.env.batch)
+		s.drawRecord(record, s.env.batch, textCanvas)
 	}
 
 	s.env.batch.Draw(pWin)
+	textCanvas.Draw(pWin, pixel.IM)
 }
 
-func (s *state) drawRecord(record *menus.Record, target pixel.Target) {
+func (s *state) drawRecord(record *menus.Record, target, textTarget pixel.Target) {
 	// Draw this record if it's valid to do so. FIXME: lots to learn
-	if record.SpriteId >= 0 {
+	if len(record.SpriteId) >= 0 {
+		spriteId := record.SpriteId[0]
 		x := float64(record.X)
 		y := float64(record.Y)
 
-		// FIXME: some are set at -1, -1. No idea why
+		// Theory: we either give spriteid, or y,x,spriteId
+		if len(record.SpriteId) == 3 {
+			x = x + float64(record.SpriteId[1])
+			y = y + float64(record.SpriteId[0]*2) // FIXME: *2 works, no idea
+			spriteId = record.SpriteId[2]
+		}
+
+		// FIXME: some here are set at -1. Presume that means don't draw.
+		if spriteId < 0 {
+			goto out
+		}
+
+		// FIXME: some are set at -1, -1. No idea why. Origin?
 		if x < 0.0 {
 			x = 0.0
 		}
@@ -176,22 +206,36 @@ func (s *state) drawRecord(record *menus.Record, target pixel.Target) {
 
 		log.Printf(
 			"Drawing id=%v type=%v spriteid=%v x=%v y=%v desc=%q parent=%p",
-			record.Id, record.Type, record.SpriteId, record.X, record.Y, record.Desc, record.Parent,
+			record.Id, record.Type, spriteId, record.X, record.Y, record.Desc, record.Parent,
 		)
 
 		// FIXME: Need to handle multiple objects
+		offset := pixel.V(x, y)
 		obj := s.env.objects[0]
-		sprite := obj.Sprites[record.SpriteId]
-		sprite.Spr.Draw(target, pixel.IM.Moved(pixel.V(x, y)))
-	}
+		sprite := obj.Sprites[spriteId]
+		sprite.Spr.Draw(target, pixel.IM.Moved(offset))
 
+		// FIXME: we probably shouldn't draw everything?
+		// FIXME: handle multiple fonts
+		if len(s.env.fonts) > 0 && record.Desc != "" {
+			s.env.fonts[0].Output(textTarget, pixel.IM.Moved(offset), record.Desc)
+		}
+	}
+out:
 	// Draw all children of this record
 	for _, child := range record.Children {
-		s.drawRecord(child, target)
+		s.drawRecord(child, target, textTarget)
 	}
 }
 
 func (s *state) handleKeys(pWin *pixelgl.Window) {
+	if pWin.JustPressed(pixelgl.MouseButton1) {
+		log.Printf("cam: %#v", s.cam)
+
+		pos := s.cam.Unproject(pWin.MousePosition())
+		log.Printf("X=%v Y=%v", pos.X, pos.Y)
+	}
+
 	/*
 		if pWin.JustPressed(pixelgl.KeyLeft) {
 			if s.objIdx > 0 {

internal/conv/font.go

@@ -0,0 +1,37 @@
+package conv
+
+import (
+	"fmt"
+
+	"github.com/faiface/pixel"
+	"github.com/faiface/pixel/text"
+	"golang.org/x/image/colornames"
+	"golang.org/x/image/font/basicfont"
+
+	"ur.gs/ordoor/internal/fonts"
+)
+
+type Font struct {
+	Name string
+	Atlas *text.Atlas
+	Text *text.Text
+}
+
+func (f *Font) Output(to pixel.Target, m pixel.Matrix, format string, args ...interface{}) {
+	text := text.New(pixel.V(0.0, 0.0), f.Atlas)
+	text.Color = colornames.White
+
+	fmt.Fprintf(text, format, args...)
+
+	text.Draw(to, m)
+}
+
+func ConvertFont(font *fonts.Font) *Font {
+	// FIXME: actually use the pixel data in font
+	atlas := text.NewAtlas(basicfont.Face7x13, text.ASCII)
+
+	return &Font{
+		Name: font.Name,
+		Atlas: atlas,
+	}
+}

internal/menus/menus.go

@@ -16,8 +16,9 @@ type Record struct {
 
 	Id       int
 	Type     int
+	FontType int
 	Active   bool
-	SpriteId int
+	SpriteId []int
 	X        int
 	Y        int
 	Desc     string
@@ -161,7 +162,14 @@ func (r *Record) Toplevel() *Record {
 }
 
 func setProperty(r *Record, k, v string) {
+	vSplit := strings.Split(v, ",")
 	vInt, _ := strconv.Atoi(v)
+	vSplitInt := make([]int, len(vSplit))
+
+	for i, subV := range vSplit {
+		vSplitInt[i], _ = strconv.Atoi(subV)
+	}
+
 	switch k {
 	case "MENUID", "SUBMENUID":
 		r.Id = vInt
@@ -170,13 +178,15 @@ func setProperty(r *Record, k, v string) {
 	case "ACTIVE":
 		r.Active = (vInt != 0)
 	case "SPRITEID":
-		r.SpriteId = vInt
+		r.SpriteId = vSplitInt
 	case "X-CORD":
 		r.X = vInt
 	case "Y-CORD":
 		r.Y = vInt
 	case "DESC":
 		r.Desc = v
+	case "FONTTYPE":
+		r.FontType = vInt
 	default:
 		r.properties[k] = v
 	}