Added Rust version of 43_Hammurabi

43_Hammurabi/rust/Cargo.toml

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+[package]
+name = "rust"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.8.5"

43_Hammurabi/rust/README.md

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+Original source downloaded [from Vintage Basic](http://www.vintage-basic.net/games.html)
+
+Conversion to [Rust](https://www.rust-lang.org/)

43_Hammurabi/rust/src/main.rs

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+use std::io;
+use rand::Rng;
+
+fn run() {
+    let mut year = 0;
+    let mut population = 95;
+    let mut immigrants = 5;
+    let mut starved = 0;
+    let mut total_starved = 0;
+    let mut plague = false;
+    let mut grain = 2800;
+    let mut bushels_fed;
+    let mut harvest;
+    let mut planted;
+    let mut yield_acre = 3;
+    let mut eaten_rats = 200;
+    let mut acres = 1000;
+    let mut land_price;
+    let mut bought_land;
+    let mut perc_starved = 0.0;
+    let mut game_failed = false;
+
+    'main: loop {
+        year += 1;
+        if year > 11 {
+            break;
+        }
+        println!("\n\n\nHAMURABI: I BEG TO REPORT TO YOU,");
+        println!("IN YEAR {year}, {starved} PEOPLE STARVED, {immigrants} CAME TO THE CITY,");
+        population = population + immigrants;
+        if plague{
+            population = population / 2;
+            plague = false;
+            println!("A HORRIBLE PLAGUE STRUCK! HALF THE PEOPLE DIED.");
+        }
+        println!("POPULATION IS NOW {population}");
+        println!("THE CITY NOW OWNS {acres} ACRES.");
+        println!("YOU HARVESTED {yield_acre} BUSHELS PER ACRE.");
+        println!("THE RATS ATE {eaten_rats} BUSHELS.");
+        println!("YOU NOW HAVE {grain} BUSHELS IN STORE.\n");
+        let r = rand::thread_rng().gen_range(1..10);
+        land_price = r + 17;
+        println!("LAND IS TRADING AT {land_price} BUSHELS PER ACRE.");
+
+        loop {  
+            println!("HOW MANY ACRES DO YOU WISH TO BUY? ");
+            if let Some(qty) = get_input() {
+                if qty < 0 {
+                    impossible_task();
+                    game_failed = true;
+                    break 'main;
+                }
+                if qty == 0 {
+                    bought_land = false;
+                    break;
+                }
+                if land_price * qty as u32 > grain {
+                    insufficient_grain(grain);
+                    continue;
+                }
+                if land_price * qty as u32 <= grain {
+                    acres += qty as u32;
+                    grain -= land_price * qty as u32;
+                    bought_land = true;
+                    break;
+                }
+            }
+        }
+
+        if bought_land == false {
+            loop {  
+                println!("HOW MANY ACRES DO YOU WISH TO SELL? ");
+                if let Some(qty) = get_input() {
+                    if qty < 0 {
+                        impossible_task();
+                        game_failed = true;
+                        break 'main;
+                    }
+                    if qty as u32 <= acres {
+                        acres -= qty as u32;
+                        grain += land_price * qty as u32;
+                        break;
+                    }
+                    insufficient_land(acres);
+                }
+            }
+        }
+
+        loop {  
+            println!("HOW MANY BUSHELS DO YOU WISH TO FEED YOUR PEOPLE? ");
+            if let Some(qty) = get_input() {
+                if qty < 0 {
+                    impossible_task();
+                    game_failed = true;
+                    break 'main;
+                }
+                // Trying to use more grain than is in silos?
+                if qty as u32 > grain {
+                    insufficient_grain(grain);
+                    continue;
+                }
+                bushels_fed = qty as u32;
+                grain -= bushels_fed;
+                break;
+            }
+        }
+
+        loop {  
+            println!("HOW MANY ACRES DO YOU WISH TO PLANT WITH SEED? ");
+            if let Some(qty) = get_input() {
+                if qty < 0 {
+                    impossible_task();
+                    game_failed = true;
+                    break 'main;
+                }
+                // Trying to plant more acres than you own?
+                if qty as u32 > acres {
+                    insufficient_land(acres);
+                    continue;
+                }
+                // Enough grain for seed?
+                if qty as u32 / 2 > grain {
+                    insufficient_grain(grain);
+                    continue;
+                }
+                // Enough people to tend the crops?
+                if qty as u32 > (10 * population) {
+                    insufficient_people(population);
+                    continue;
+                }
+                planted = qty as u32;
+                grain = grain - (planted / 2);
+                break;
+            }
+        }
+
+        // A bountiful harvest!
+        yield_acre = gen_random();
+        harvest = planted * yield_acre;
+        eaten_rats = 0;
+
+        // Determine if any grain was eaten by rats
+        let mut c = gen_random();
+        if c % 2 == 0 { // If c is even...
+            // Rats are running wild!
+            eaten_rats = grain / c;
+        }
+        // Update the amount of grain held
+        grain = grain - eaten_rats + harvest;
+
+        // Let's have some babies
+        c = gen_random();
+        immigrants = c * (20 * acres + grain) / population / 100 + 1;
+
+        // How many people had full tummies?
+        c = bushels_fed / 20;
+        // Horrors, a 15% chance of plague
+        let rf: f32 = rand::thread_rng().gen();
+        let plague_chance = (10. * ((2. * rf) - 0.3)) as i32;
+        if plague_chance == 0 {
+            plague = true;
+        }
+        if population >= c {
+            // Starve enough for impeachment?
+            starved = population - c;
+            if starved > (0.45 * population as f32) as u32 {
+                println!("YOU STARVED {starved} PEOPLE IN ONE YEAR!!!");
+                national_fink();
+                game_failed = true;
+                break;
+            }
+            // Calculate percentages here
+            perc_starved = ((year - 1) as f32 * perc_starved + starved as f32 * 100. / population as f32) / year as f32;
+            population = c;
+            total_starved = total_starved + starved;
+        }
+    }
+
+    if game_failed == false {
+        println!("IN YOUR 10-YEAR TERM OF OFFICE {perc_starved} PERCENT OF THE");
+        println!("POPULATION STARVED PER YEAR ON THE AVERAGE, I.E. A TOTAL OF");
+        println!("{total_starved} PEOPLE DIED!!");
+        let acres_head = acres / population;
+        println!("YOU STARTED WITH 10 ACRES PER PERSON AND ENDED WITH");
+        println!("{acres_head} ACRES PER PERSON.\n");
+        if perc_starved > 33. || acres_head < 7 {
+            national_fink();
+        }
+        else if perc_starved > 10. || acres_head < 9 {
+            println!("YOUR HEAVY-HANDED PERFORMANCE SMACKS OF NERO AND IVAN IV.");
+            println!("THE PEOPLE (REMAINING) FIND YOU AND UNPLEASANT RULER, AND,");
+            println!("FRANKLY, HATE YOUR GUTS!!");
+        }
+        else if perc_starved > 3. || acres_head < 10 {
+            let haters = (population as f32 * 0.8 * gen_random() as f32) as u32;
+            println!("YOUR PERFORMANCE COULD HAVE BEEN SOMEWHAT BETTER, BUT");
+            println!("REALLY WASN'T TOO BAD AT ALL. {haters} PEOPLE");
+            println!("WOULD DEARLY LIKE TO SEE YOU ASSASSINATED BUT WE ALL HAVE OUR");
+            println!("TRIVIAL PROBLEMS.");
+        } else {
+            println!("A FANTASTIC PERFORMANCE!!! CHARLEMANGE, DISRAELI, AND");
+            println!("JEFFERSON COMBINED COULD NOT HAVE DONE BETTER!\n");
+        }
+        for _ in 1..10 {
+            print!("\n");
+        }
+    }
+            
+    println!("\nSO LONG FOR NOW.\n");
+}
+
+fn get_input() -> Option<i32> {
+    let mut input = String::new();
+    io::stdin().read_line(&mut input).expect("Failed read_line");
+    match input.trim().parse() {
+        Ok(num) => Some(num),
+        Err(_) => None,
+    }
+}
+
+fn gen_random() -> u32 {
+    let r: f32 = rand::thread_rng().gen();
+    (r * 5.0 + 1.0) as u32
+}
+
+fn impossible_task() {
+    println!("HAMURABI:  I CANNOT DO WHAT YOU WISH.");
+    println!("GET YOURSELF ANOTHER STEWARD!!!!!");
+}
+
+fn insufficient_grain(grain: u32) {
+    println!("HAMURABI:  THINK AGAIN.  YOU HAVE ONLY");
+    println!("{grain} BUSHELS OF GRAIN.  NOW THEN,");
+}
+
+fn insufficient_land(acres: u32) {
+    println!("HAMURABI: THINK AGAIN. YOU OWN ONLY {acres} ACRES.  NOW THEN,");
+}
+
+fn insufficient_people(population: u32) {
+    println!("BUT YOU HAVE ONLY {population} PEOPLE TO TEND THE FIELDS!  NOW THEN,");
+}
+
+fn national_fink() {
+    println!("DUE TO THIS EXTREME MISMANAGEMENT YOU HAVE NOT ONLY");
+    println!("BEEN IMPEACHED AND THROWN OUT OF OFFICE BUT YOU HAVE");
+    println!("ALSO BEEN DECLARED NATIONAL FINK!!!!");
+}
+
+fn main() {
+    println!("                 HAMURABI");
+    println!("CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY");
+    print!("\n\n\n\n");
+    println!("TRY YOUR HAND AT GOVERNING ANCIENT SUMERIA");
+    println!("FOR A TEN-YEAR TERM OF OFFICE.\n");
+
+    run();
+}