func updateBarsWin(msg currentBars, barsWin *gc.Window, colors colorsDefined, scale int64) {
whiteOnBlack := colors.whiteOnBlack
redOnBlack := colors.redOnBlack
greenOnBlack := colors.greenOnBlack
barsWin.Erase()
barsWin.Box(0, 0)
edibleCopy := make([]int64, len(msg.cols))
copy(edibleCopy, msg.cols)
barsHeight, barsWidth := barsWin.MaxYX()
startI := len(edibleCopy) - barsWidth
if startI < 0 {
startI = 0
}
currentSec := time.Now().Second()
prevSec := currentSec - 1
if prevSec < 0 {
prevSec = 59
}
for row := 0; row < barsHeight-2; row++ {
for col := range edibleCopy[startI:len(edibleCopy)] {
if edibleCopy[col]/scale > 0 {
turnOffColor := int16(0)
currChar := "="
// row is an int--32-bit, right?
if shouldShowFail(msg.failCols[col], scale, row) {
barsWin.ColorOff(whiteOnBlack)
barsWin.ColorOn(redOnBlack)
currChar = "x"
turnOffColor = redOnBlack
} else if col == currentSec ||
col == currentSec-1 {
// current second is still in progress, so make the previous second
// green too--not precisely correct, but close enough here
barsWin.ColorOff(whiteOnBlack)
barsWin.ColorOn(greenOnBlack)
turnOffColor = greenOnBlack
}
barsWin.MovePrint(barsHeight-2-row, col+1, currChar)
if turnOffColor != 0 {
barsWin.ColorOff(turnOffColor)
barsWin.ColorOn(whiteOnBlack)
}
edibleCopy[col] = edibleCopy[col] - scale
}
}
}
barsWin.NoutRefresh()
}
