diff --git a/53_King/README.md b/53_King/README.md index 206202f0..0687224d 100644 --- a/53_King/README.md +++ b/53_King/README.md @@ -1,4 +1,4 @@ -### King +## King This is one of the most comprehensive, difficult, and interesting games. (If you’ve never played one of these games, start with HAMMURABI.) @@ -8,7 +8,9 @@ The money system is Rollods; each person needs 100 Rallods per year to survive. The author of this program is James A. Storer who wrote it while a student at Lexington High School. -## Bugs +⚠️ This game includes references to suicide or self-harm. + +### Bugs Implementers should be aware that this game contains at least one bug. diff --git a/53_King/kotlin/King.kt b/53_King/kotlin/King.kt index 01558c99..71e6d505 100644 --- a/53_King/kotlin/King.kt +++ b/53_King/kotlin/King.kt @@ -3,7 +3,8 @@ import kotlin.random.Random import kotlin.system.exitProcess lateinit var gameState: GameState -const val INCLUDE_BUGS_FROM_ORIGINAL = false +const val KEEP_ORIGINAL_BUGS = false +const val KEEP_ORIGINAL_SUICIDE_REFERENCE = false val rnd: Double get() = Random.nextDouble() fun tab(i: Int) = " ".repeat(i) @@ -19,29 +20,25 @@ fun main() { } ?: throw EndOfInputException() - try { - with(gameState) { - while(currentYear < yearsRequired) { - recalculateLandCost() - displayStatus() - inputLandSale() - performLandSale() - inputWelfare() - performWelfare() - inputPlantingArea() - performPlanting() - inputPollutionControl() - if (zeroInput()) { - displayExitMessage() - exitProcess(0) - } - simulateOneYear() - currentYear ++ + with(gameState) { + do { + recalculateLandCost() + displayStatus() + inputLandSale() + performLandSale() + inputWelfare() + performWelfare() + inputPlantingArea() + performPlanting() + inputPollutionControl() + if (zeroInput()) { + displayExitMessage() + exitProcess(0) } - } - win(gameState.yearsRequired) - } catch (e: GameEndingException) { - e.displayConsequences() + val yearResult = simulateOneYear().also { + it.displayConsequences() + } + } while (yearResult == YearOutcome.ContinueNextYear) } } @@ -54,7 +51,8 @@ private fun header() { } fun instructions(yearsRequired: Int) { - println(""" + println( + """ CONGRATULATIONS! YOU'VE JUST BEEN ELECTED PREMIER OF SETATS @@ -80,10 +78,7 @@ fun loadOldGame(): GameState = GameState().apply { do { var retry = false print("HOW MANY YEARS HAD YOU BEEN IN OFFICE WHEN INTERRUPTED? ") - currentYear = numberInput() - - if (currentYear <= 0) - throw GameEndingException.DataEntryValidation() + currentYear = validatedInput { it > 0 } if (currentYear >= yearsRequired) { println(" COME ON, YOUR TERM IN OFFICE IS ONLY $yearsRequired YEARS.") @@ -92,21 +87,19 @@ fun loadOldGame(): GameState = GameState().apply { } while (retry) print("HOW MUCH DID YOU HAVE IN THE TREASURY? ") - rallods = numberInput() - if (rallods < 0) - throw GameEndingException.DataEntryValidation() + rallods = validatedInput { it >= 0 } + + print("HOW MANY COUNTRYMEN? ") + countrymen = validatedInput { it >= 0 } print("HOW MANY WORKERS? ") - foreignWorkers = numberInput() - if (foreignWorkers < 0) - throw GameEndingException.DataEntryValidation() + foreignWorkers = validatedInput { it >= 0 } do { var retry = false print("HOW MANY SQUARE MILES OF LAND? ") - landArea = numberInput() - if (landArea<0) - throw GameEndingException.DataEntryValidation() + landArea = validatedInput { it >= 0 } + if (landArea > 2000 || landArea <= 1000) { println(" COME ON, YOU STARTED WITH 1000 SQ. MILES OF FARM LAND") println(" AND 10,000 SQ. MILES OF FOREST LAND.") @@ -118,11 +111,13 @@ fun loadOldGame(): GameState = GameState().apply { /** - * All exceptions which indicate the premature ending of the game, due - * to mismanagement, starvation, revolution, or mis-entry of a game state. + * Possible outcomes for a year. */ -sealed class GameEndingException : Throwable() { - abstract fun displayConsequences() +sealed class YearOutcome { + + open fun displayConsequences() { + // Default display nothing + } fun finalFate() { if (rnd < .5) { @@ -135,7 +130,28 @@ sealed class GameEndingException : Throwable() { println() } - class ExtremeMismanagement(private val death: Int) : GameEndingException() { + object ContinueNextYear : YearOutcome() + + class Win(val yearsRequired: Int) : YearOutcome() { + override fun displayConsequences() { + // The misspelling of "successfully" is in the original code. + println( + """ + + CONGRATULATIONS!!!!!!!!!!!!!!!!!! + YOU HAVE SUCCESFULLY COMPLETED YOUR $yearsRequired YEAR TERM + OF OFFICE. YOU WERE, OF COURSE, EXTREMELY LUCKY, BUT + NEVERTHELESS, IT'S QUITE AN ACHIEVEMENT. GOODBYE AND GOOD + LUCK - YOU'LL PROBABLY NEED IT IF YOU'RE THE TYPE THAT + PLAYS THIS GAME. + + + """.trimIndent() + ) + } + } + + class ExtremeMismanagement(private val death: Int) : YearOutcome() { override fun displayConsequences() { println() println("$death COUNTRYMEN DIED IN ONE YEAR!!!!!") @@ -151,74 +167,68 @@ sealed class GameEndingException : Throwable() { } } - class TooManyPeopleDead : GameEndingException() { + object TooManyPeopleDead : YearOutcome() { // The mistyping of "population" is in the original game. override fun displayConsequences() { - println(""" + println( + """ OVER ONE THIRD OF THE POPULTATION HAS DIED SINCE YOU WERE ELECTED TO OFFICE. THE PEOPLE (REMAINING) HATE YOUR GUTS. - """.trimIndent()) + """.trimIndent() + ) finalFate() } } - class AntiImmigrationRevolution : GameEndingException() { + object AntiImmigrationRevolution : YearOutcome() { override fun displayConsequences() { - println(""" + println( + """ THE NUMBER OF FOREIGN WORKERS HAS EXCEEDED THE NUMBER OF COUNTRYMEN. AS A MINORITY, THEY HAVE REVOLTED AND TAKEN OVER THE COUNTRY. - """.trimIndent()) + """.trimIndent() + ) finalFate() } } - class StarvationWithFullTreasury : GameEndingException() { + object StarvationWithFullTreasury : YearOutcome() { override fun displayConsequences() { - println(""" - MONEY WAS LEFT OVER IN THE TREASURY WHICH YOU DID - NOT SPEND. AS A RESULT, SOME OF YOUR COUNTRYMEN DIED - OF STARVATION. THE PUBLIC IS ENRAGED AND YOU HAVE - BEEN FORCED TO EITHER RESIGN OR COMMIT SUICIDE. - THE CHOICE IS YOURS. - IF YOU CHOOSE THE LATTER, PLEASE TURN OFF YOUR COMPUTER - BEFORE PROCEEDING. - """.trimIndent()) + println( + if (KEEP_ORIGINAL_SUICIDE_REFERENCE) { + """ + MONEY WAS LEFT OVER IN THE TREASURY WHICH YOU DID + NOT SPEND. AS A RESULT, SOME OF YOUR COUNTRYMEN DIED + OF STARVATION. THE PUBLIC IS ENRAGED AND YOU HAVE + BEEN FORCED TO EITHER RESIGN OR COMMIT SUICIDE. + THE CHOICE IS YOURS. + IF YOU CHOOSE THE LATTER, PLEASE TURN OFF YOUR COMPUTER + BEFORE PROCEEDING. + """.trimIndent() + } else { + """ + MONEY WAS LEFT OVER IN THE TREASURY WHICH YOU DID + NOT SPEND. AS A RESULT, SOME OF YOUR COUNTRYMEN DIED + OF STARVATION. THE PUBLIC IS ENRAGED AND YOU HAVE + BEEN FORCED TO RESIGN. + PLEASE TURN OFF YOUR COMPUTER AND SURRENDER IT TO + THE NEAREST POLICE STATION. + """.trimIndent() + } + ) } } - class DataEntryValidation : GameEndingException() { - override fun displayConsequences() { - // no action - } - } - - -} - -fun win(yearsRequired: Int) { - // The misspelling of "successfully" is in the original code. - println(""" - - CONGRATULATIONS!!!!!!!!!!!!!!!!!! - YOU HAVE SUCCESFULLY COMPLETED YOUR $yearsRequired YEAR TERM - OF OFFICE. YOU WERE, OF COURSE, EXTREMELY LUCKY, BUT - NEVERTHELESS, IT'S QUITE AN ACHIEVEMENT. GOODBYE AND GOOD - LUCK - YOU'LL PROBABLY NEED IT IF YOU'RE THE TYPE THAT - PLAYS THIS GAME. - - - """.trimIndent()) } /** * Record data, allow data input, and process the simulation for the game. */ class GameState(val yearsRequired: Int = 8) { - /** * The current year. Years start with zero, but we never * output the current year. @@ -240,8 +250,8 @@ class GameState(val yearsRequired: Int = 8) { private var tourists = 0 private var moneySpentOnPollutionControl = 0 - private var moneySpentOnPlanting = 0 + private var moneySpentOnPlanting = 0 /** * Current stock of rallods. * Player starts with between 59000 and 61000 rallods, but @@ -252,10 +262,10 @@ class GameState(val yearsRequired: Int = 8) { /** * Population. - * Initial population is about to 500. + * Initial population is about 500. * 75% of the time it's between 495 and 505. */ - private var countrymen = (500 + (10 * rnd) - (10 * rnd)).toInt() + var countrymen = (500 + (10 * rnd) - (10 * rnd)).toInt() /** * Land sale price is evenly between 95 and 104 rallods per @@ -265,8 +275,8 @@ class GameState(val yearsRequired: Int = 8) { private var landPrice = (10 * rnd + 95).toInt() private var plantingArea = 0 - private var welfareThisYear = 0 + private var welfareThisYear = 0 /** * Land area in square miles. Arable land is 1000 square miles less. * Almost all calculations use landArea-1000 because only arable @@ -339,7 +349,6 @@ class GameState(val yearsRequired: Int = 8) { rallods -= welfareThisYear } - /** * Ask how much land we want to sell. Immediately get the money. * The player has to do the calculations to work out how much @@ -362,6 +371,7 @@ class GameState(val yearsRequired: Int = 8) { } while (sellThisYear < 0 || sellThisYear > landArea - 1000) } + /** * Input the value of `welfareThisYear` */ @@ -444,7 +454,7 @@ class GameState(val yearsRequired: Int = 8) { plantingArea == 0 && moneySpentOnPollutionControl == 0 - fun simulateOneYear() { + fun simulateOneYear(): YearOutcome { rallods -= moneySpentOnPollutionControl val rallodsAfterPollutionControl = rallods @@ -460,7 +470,7 @@ class GameState(val yearsRequired: Int = 8) { https://github.com/coding-horror/basic-computer-games/blob/main/53_King/king.bas#:~:text=1105%20IF%20I/100%3C50%20THEN%201700 */ if (welfareThisYear / 100.0 < 50) - throw GameEndingException.TooManyPeopleDead() + return YearOutcome.TooManyPeopleDead starvationDeaths = (countrymen - (welfareThisYear / 100.0)).toInt() println("$starvationDeaths COUNTRYMEN DIED OF STARVATION") @@ -568,33 +578,37 @@ class GameState(val yearsRequired: Int = 8) { https://github.com/coding-horror/basic-computer-games/blob/main/53_King/king.bas#:~:text=1450%20V3%3DINT,INT(A%2BV3) */ - if (INCLUDE_BUGS_FROM_ORIGINAL) { + if (KEEP_ORIGINAL_BUGS) { tourists += rallods } else { tourists = abs(v1 - v2) } rallods += tourists - if (death > 200) - throw GameEndingException.ExtremeMismanagement(death) - if (countrymen < 343) - throw GameEndingException.TooManyPeopleDead() - if (rallodsAfterPollutionControl / 100 > 5 && death - pollutionDeaths >= 2) - throw GameEndingException.StarvationWithFullTreasury() - if (foreignWorkers > countrymen) - throw GameEndingException.AntiImmigrationRevolution() + return if (death > 200) + YearOutcome.ExtremeMismanagement(death) + else if (countrymen < 343) + YearOutcome.TooManyPeopleDead + else if (rallodsAfterPollutionControl / 100 > 5 && death - pollutionDeaths >= 2) + YearOutcome.StarvationWithFullTreasury + else if (foreignWorkers > countrymen) + YearOutcome.AntiImmigrationRevolution + else { + if (currentYear++ > yearsRequired) + YearOutcome.Win(yearsRequired) + else + YearOutcome.ContinueNextYear + } } } - private fun numberInput() = try { readLine()?.toInt() ?: throw EndOfInputException() } catch (r: NumberFormatException) { 0 } - - - - +class DataEntryValidationException : Throwable() +private fun validatedInput(predicate : (Int)->Boolean) = + numberInput().apply { if (!predicate(this)) throw DataEntryValidationException() } diff --git a/76_Russian_Roulette/README.md b/76_Russian_Roulette/README.md index cf1b64fc..5ec8148e 100644 --- a/76_Russian_Roulette/README.md +++ b/76_Russian_Roulette/README.md @@ -4,6 +4,8 @@ In this game, you are given by the computer a revolver loaded with one bullet an Tom Adametx wrote this program while a student at Curtis Jr. High School in Sudbury, Massachusetts. +⚠️ This game includes EXPLICT references to suicide, and should not be included in most distributions, especially considering the extreme simplicity of the program. + --- As published in Basic Computer Games (1978):