Added Help() and About() panels.

space-ace.go

@@ -333,7 +333,7 @@ func DeckColorMenu() door.Menu {
 		"GREEN":   door.ColorText("BRI GREEN ON BLUE"),
 		"MAGENTA": door.ColorText("BRI MAGENTA ON BLUE"),
 		"WHITE":   door.ColorText("BRI WHITE ON BLUE"),
-		"ALL":     door.ColorText("WHITE ON BLUE")}
+		"ALL":     door.ColorText("BRI WHITE ON BLUE")}
 	selectMap := map[string]string{"BLUE": door.ColorText("BRI BLUE ON BLACK"),
 		"BROWN":   door.ColorText("BROWN ON BLACK"),
 		"RED":     door.ColorText("BRI RED ON BLACK"),
@@ -341,7 +341,7 @@ func DeckColorMenu() door.Menu {
 		"GREEN":   door.ColorText("BRI GREEN ON BLACK"),
 		"MAGENTA": door.ColorText("BRI MAGENTA ON BLACK"),
 		"WHITE":   door.ColorText("BRI WHITE ON BLACK"),
-		"ALL":     door.ColorText("WHITE ON BLACK")}
+		"ALL":     door.ColorText("BRI WHITE ON BLACK")}
 
 	m.SelectedR = MakeColorsRender(door.ColorText("BOLD CYAN"),
 		door.ColorText("BOLD BLUE"),
@@ -384,6 +384,7 @@ func DisplaySettings(d *door.Door) {
 		if key[0] == '_' {
 			continue
 		}
+		key = strings.Replace(key, "_", " ", -1)
 		l = door.Line{Text: fmt.Sprintf("%20s : %*s", key, -(W - 23), value), RenderF: renderF}
 		panel.Lines = append(panel.Lines, l)
 	}
@@ -422,6 +423,68 @@ func Configure(d *door.Door, db *DBData) {
 	}
 }
 
+func Help() door.Panel {
+	W := 60
+	center_x := (door.Width - W) / 2
+	center_y := (door.Height - 16) / 2
+	help := door.Panel{X: center_x,
+		Y:           center_y,
+		Width:       W,
+		Style:       door.DOUBLE,
+		BorderColor: door.ColorText("BOLD YELLOW ON BLUE")}
+	help.Lines = append(help.Lines, door.Line{Text: fmt.Sprintf("%*s", -W, "Help"),
+		DefaultColor: door.ColorText("BOLD CYAN ON BLUE")})
+	help.Lines = append(help.Lines, help.Spacer())
+	copyright := fmt.Sprintf("Space-Ace (C) 2022 Red Green Software")
+	help.Lines = append(help.Lines,
+		door.Line{Text: fmt.Sprintf("%*s", -W, copyright),
+			DefaultColor: door.ColorText("BOLD WHITE ON BLUE")})
+	for _, text := range []string{"",
+		"Use Left/Right arrow keys, or 4/6 keys to move marker.",
+		"The marker wraps around the sides of the screen.", "",
+		"Select card to play with Space or 5.",
+		"A card can play if it is higher or lower in rank by 1.",
+		"",
+		"Enter draws another card.",
+		"",
+		"Example: A Jack could play either a Ten or a Queen.",
+		"Example: A King could play either an Ace or a Queen.",
+		"",
+		"The more cards in your streak, the more points earn.",
+	} {
+		help.Lines = append(help.Lines, door.Line{Text: fmt.Sprintf("%*s", -W, text)})
+	}
+	return help
+}
+
+func About() door.Panel {
+	W := 60
+	center_x := (door.Width - W) / 2
+	center_y := (door.Height - 16) / 2
+	about := door.Panel{X: center_x,
+		Y:           center_y,
+		Width:       W,
+		Style:       door.SINGLE_DOUBLE,
+		BorderColor: door.ColorText("BOLD YELLOW ON BLUE"),
+	}
+	about.Lines = append(about.Lines, door.Line{Text: fmt.Sprintf("%*s", -W, "About This Door"),
+		DefaultColor: door.ColorText("BOLD CYAN ON BLUE")})
+	about.Lines = append(about.Lines, about.Spacer())
+	copyright := fmt.Sprintf("Space-Ace (C) 2022 Red Green Software")
+	about.Lines = append(about.Lines,
+		door.Line{Text: fmt.Sprintf("%*s", -W, copyright),
+			DefaultColor: door.ColorText("BOLD WHITE ON BLUE")})
+	for _, text := range []string{"",
+		"This door was written by Bugz.",
+		"",
+		"It is written in Go, understands CP437 and unicode, adapts",
+		"to screen sizes, uses door32.sys, and runs on Linux and",
+		"Windows."} {
+		about.Lines = append(about.Lines, door.Line{Text: fmt.Sprintf("%*s", -W, text)})
+	}
+	return about
+}
+
 func main() {
 	var message string
 
@@ -480,10 +543,10 @@ func main() {
 		SaveConfig(config_filename, Config)
 	}
 
-	s := StarField{}
-	s.Regenerate()
+	starfield := StarField{}
+	starfield.Regenerate(rng)
 
-	s.Display(&d)
+	starfield.Display(&d)
 	d.Write(door.Goto(1, 1) + door.Reset)
 
 	// Get the last call value (if they have called before)
@@ -522,7 +585,7 @@ func main() {
 
 	for choice >= 0 {
 		d.Write(door.Clrscr)
-		s.Display(&d)
+		starfield.Display(&d)
 		choice = mainmenu.Choose(&d)
 
 		if choice < 0 {
@@ -542,9 +605,13 @@ func main() {
 			Configure(&d, &db)
 		case 'H':
 			// Help
+			h := Help()
+			d.Write(door.Clrscr + h.Output() + door.Reset + door.CRNL)
 			press_a_key(&d)
 		case 'A':
 			// About
+			a := About()
+			d.Write(door.Clrscr + a.Output() + door.Reset + door.CRNL)
 			press_a_key(&d)
 		case 'Q':
 			choice = -1

starfield.go

@@ -5,9 +5,6 @@ import (
 	"math/rand"
 	"red-green/door"
 	"strings"
-	"time"
-
-	"github.com/seehuhn/mt19937"
 )
 
 type StarPos struct {
@@ -21,15 +18,14 @@ type StarInfo struct {
 }
 
 type StarField struct {
-	RNG *rand.Rand
 	MX  int
 	MY  int
 	Sky map[StarPos]StarInfo
 }
 
-func (s *StarField) make_pos() StarPos {
+func (s *StarField) make_pos(RNG *rand.Rand) StarPos {
 	for {
-		pos := StarPos{X: s.RNG.Intn(s.MX), Y: s.RNG.Intn(s.MY)}
+		pos := StarPos{X: RNG.Intn(s.MX), Y: RNG.Intn(s.MY)}
 		_, found := (*s).Sky[pos]
 		if !found {
 			return pos
@@ -37,18 +33,15 @@ func (s *StarField) make_pos() StarPos {
 	}
 }
 
-func (s *StarField) Regenerate() {
+func (s *StarField) Regenerate(RNG *rand.Rand) {
 	s.MX = door.Width
 	s.MY = door.Height
 
-	s.RNG = rand.New(mt19937.New())
-	s.RNG.Seed(time.Now().UnixNano())
-
 	max_stars := ((s.MX * s.MY) / 40)
 	s.Sky = make(map[StarPos]StarInfo, max_stars)
 
 	for i := 0; i < max_stars; i++ {
-		pos := s.make_pos()
+		pos := s.make_pos(RNG)
 		info := StarInfo{Symbol: i % 2, Color: i%5 < 2}
 		s.Sky[pos] = info
 	}