func endGame() {
teletype.Reset()
n := universe.NKill()
if n >= 64 {
teletype.PrintUpper(grammar.Generate(rune('W')) + "\n")
}
if vanity.IsWorthyScore(records, uint8(n)) {
setMode(modeName)
} else {
setMode(modeVanity)
}
}
func setMode(m mode) {
fourierIsVisible = false
fallIsVisible = false
radarIsVisible = false
scoreIsVisible = false
dividerCount = 0
switch m {
case modeSplash:
teletype.PrintUpper(title + "\n")
teletype.PrintUpper(edition + "\n")
teletype.PrintUpper("By Arch D. Robison\n")
var err error
records, err = vanity.ReadFromFile()
if err != nil {
if devConfig {
teletype.Print(err.Error())
}
}
case modeName:
teletype.Reset()
teletype.PrintUpper(grammar.GenerateWithNumber(rune('H'), universe.NKill()) + "\n")
teletype.PrintUpper("Please enter your name:\n")
teletype.DisplayCursor(true)
case modeTraining, modeGame:
universe.BeginGame(m == modeTraining)
// Temporarily set NLiveMax to 0. End of boot sequence will set it to 1.
universe.SetNLiveMax(0)
startBootSequence()
case modeVanity:
teletype.Reset()
teletype.DisplayCursor(false)
teletype.PrintUpper("Supreme Freqs\n\nScore Player\n")
for _, r := range records {
teletype.PrintUpper(fmt.Sprintf("%5d %s\n", r.Score, r.Name))
}
}
currentMode = m
setMenus(m)
}
/* The "boot sequence" was created in the 1990's to create eye candy while
the program was slowly computing lookup tables. By the mid-2000s machines
were so fast that it has no practical purpose anymore. But to retain
the original look of Frequon Invaders, it's done nonethless, with the
teletype techno-babble. It like the flutes on concrete columnes. */
func advanceBootSequence(dt float32) {
if bootSequenceIndex < 0 || bootSequenceIndex >= 10 {
return
}
bootSequenceFrac += dt
if bootSequenceFrac < bootSequencePeriod {
return
}
bootSequenceFrac = 0
n := bootSequenceIndex
bootSequenceIndex = n + 1
if 1 <= n && n <= 8 {
teletype.PrintUpper(grammar.Generate(rune('0' + n)))
teletype.PrintChar('\n')
}
if 0 < n && n <= 8 {
sound.Play(sound.Wobble, float32(n+1)*0.25)
}
switch n {
case 1:
break
case 2, 3, 4:
dividerCount = n - 1
case 5:
fallIsVisible = true
case 6:
radarIsVisible = true
radarIsRunning = true
case 7:
scoreIsVisible = true
case 9:
// C++ original does following actions for n==8, but that hides the 8th techobabble.
fourierIsVisible = true
setZoom(zoomGrow)
teletype.Reset()
}
}
func startBootSequence() {
bootSequenceIndex = 0
bootSequenceFrac = 0
teletype.DisplayCursor(false)
teletype.Reset()
}
var (
beginGameItem, trainingItem *menu.SimpleItem
exitItem = menu.MakeSimpleItem("Exit", func() {
nimble.Quit()
})
)
// Items for "Display" menu
var autoGain = menu.MakeCheckItem("Autogain", true, nil)
// Items for "Ratings" menu
var (
highScores *menu.SimpleItem
cpuSpeed = menu.MakeSimpleItem("CPU Speed", func() {
teletype.Reset()
teletype.PrintUpper(fmt.Sprintf("HFT SPEED = %.1f GFlops\n", fourier.Benchmark()*1E-9))
})
)
// State of stationary/moving radio buttons on the "Invaders" menu.
var letFrequonsMove = menu.RadioState{OnSelect: func(value int) {
if value == 0 {
universe.SetVelocityMax(0)
} else {
universe.SetVelocityMax(30. / 1440. * math32.Sqrt(float32(screenWidth*screenHeight)))
}
}}
// State of "maximum number of Frequons" buttons on the "Invaders" menu.
var maxFrequon = menu.RadioState{Value: 1, OnSelect: func(value int) {