making bombs costs time and money

bomb.go

@@ -53,11 +53,15 @@ type MakeBombState struct {
 
 func MakeBomb(s *System) ConnectionState {
 	m := &MakeBombState{System: s}
+	m.CommandSuite = CommandSet{
+		balCommand,
+	}
 	return m
 }
 
 func (m *MakeBombState) Enter(c *Connection) {
 	c.Printf("Making a bomb...\n")
+	c.money -= options.bombCost
 }
 
 func (m *MakeBombState) Tick(c *Connection, frame int64) ConnectionState {

idle.go

@@ -140,6 +140,10 @@ func (i *IdleState) scan(c *Connection, args ...string) {
 func (i *IdleState) maek(c *Connection, args ...string) {
 	switch args[0] {
 	case "bomb":
+		if c.money < options.bombCost {
+			c.Printf("Not enough money!  Bombs costs %v but you only have %v space duckets.  Mine more space duckets!\n", options.bombCost, c.money)
+			return
+		}
 		c.SetState(MakeBomb(i.System))
 	default:
 		c.Printf("I don't know how to make a %v.\n", args[0])

main.go

@@ -11,18 +11,19 @@ import (
 )
 
 var options struct {
+	bombCost      int
 	bombSpeed     float64
 	debug         bool
 	economic      int
-	frameRate     int
 	frameLength   time.Duration
+	frameRate     int
 	lightSpeed    float64
 	makeBombTime  time.Duration
 	moneyMean     float64
 	moneySigma    float64
 	playerSpeed   float64
-	respawnTime   time.Duration
 	respawnFrames int64
+	respawnTime   time.Duration
 	speckPath     string
 }
 
@@ -116,4 +117,5 @@ func init() {
 	flag.StringVar(&options.speckPath, "speck-path", "/projects/exo/expl.speck", "path to exoplanet speck file")
 	flag.DurationVar(&options.respawnTime, "respawn-time", 60*time.Second, "time for player respawn")
 	flag.DurationVar(&options.makeBombTime, "bomb-time", 5*time.Second, "time it takes to make a bomb")
+	flag.IntVar(&options.bombCost, "bomb-cost", 500, "price of a bomb")
 }