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Commit 05febd39 authored by cyan's avatar cyan
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I've had this sitting around forever, so I may as well add it so that Deuce 

can look at it and tell me how wrong the algorithms are ;)
* "Kingdom Gold", based on the good ole 'Sumer Game' or 'Hamurabi'
* The idea was to add some nice ANSI screens for various events (earthquake,
  food riots, rain, etc.)  But it's pretty tough to find an ANSI artist willing
  to do that kind of thing these days.
* I also wanted to add in high score tracking ability and perhaps some kind of
  multi-player element. Alas.
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/* $Id$
Kingdom Gold - Ported to JavaScript by Randolph E. Sommerfeld <sysop@rrx.ca>
A simple game based on 'Sumer Game' or 'Hamurabi'
This software is released into the public domain.
*/
/* Constants */
const QUIT = -1;
const CR = -2;
console.clear();
printf("\r\n\r\n");
printf("\1gWelcome to \1h\1yKingdom Gold\1n\1g v0.9b, ");
printf("a simple door game for Synchronet BBS.\r\n\r\n");
printf("This game was ported by Randy E. Sommerfeld from original ");
printf("Commodore 64 software\r\n");
printf("found to be in the public domain. Hence, this game is also ");
printf("released into the\r\n");
printf("public domain. The original 'Kingdom' game was released in ");
printf("1973 by T. Voros\r\n");
printf("and L. Schneider for the 8K Commodore PET. That game was ");
printf("based on a game\r\n");
printf("called 'Sumer Game', created by Richard Merrill in 1969, and ");
printf("is one of the\r\n");
printf("oldest computer games in existence.\r\n");
printf("\r\n");
printf("You can press 'Q' at any prompt to exit the game.\r\n");
printf("\r\n\r\n");
var instr=(console.noyes("\1n\1mWould you like instructions"));
if (!instr)
instructions();
/* Globals */
citizens = random(75)+75;
acres = random(250)+250;
bushels = random(3000)+2000;
year = 0;
price = 3;
/* End Globals */
var game_over = false;
while (!game_over) {
console.clear();
printf("\r\n\r\n\1n\1g");
if (!year)
printf("In the beginning of your reign:");
else
printf("Report for \1h\1gYear %d\1n", year);
printf("\r\n\r\n");
printf("\1n\1g Citizens in your kingdom: \1h\1y%d\r\n", citizens);
printf("\1n\1g Acres of land owned: \1h\1y%d\r\n", acres);
printf("\1n\1g Bushels of grain in storage: \1h\1y%d\r\n", bushels);
printf("\r\n");
printf("\1n\1gThe price of land is \1h\1y%d\1n\1g ", price);
printf("bushels per acre.\r\n");
printf("\r\n");
var maxacres = Math.round((bushels/price)-1);
if (maxacres < 0)
maxacres = 0;
var buyacres = get_input("\1n\1mHow many acres to buy "
+ "[\1h\1y" + maxacres + "\1n\1m]? ", maxacres);
if (buyacres == QUIT)
break;
acres += buyacres;
bushels -= buyacres * price;
if (buyacres <= 0) {
var sellacres = get_input("\1n\1mHow many acres to sell "
+ "[\1h\1y" + acres + "\1n\1m]? ",acres);
if (sellacres == QUIT)
break;
acres -= sellacres;
bushels += sellacres * price;
}
printf("\r\n");
if ( (buyacres > 0) || (sellacres > 0) ) {
printf("\1n\1h\1cTransaction Results:\1n\r\n");
printf("\1n\1g You now own \1h\1y%d\1n\1g acres of land, and "
,acres);
printf("\1h\1y%d\1n\1g bushels of grain.\r\n",bushels);
printf("\r\n");
}
var feed = get_input("\1n\1mHow many bushels of grain to feed to \1h\1y"
+ citizens + "\1n\1m people [\1h\1y" + bushels + "\1n\1m]? ",bushels);
if (feed == QUIT)
break;
bushels -= feed;
var bushels_for_seeding = Math.round(bushels / 3);
var citizens_for_seeding = Math.round(citizens / 2);
var max_seed = citizens_for_seeding;
if (bushels_for_seeding < citizens_for_seeding)
max_seed = bushels_for_seeding;
max_seed = Math.round(max_seed-1);
if (max_seed < 0)
max_seed = 0;
printf("\r\n");
seedacres = get_input("\1n\1mHow many acres do you wish to seed [\1h\1y"
+ max_seed + "\1n\1m]? ",max_seed);
if (seedacres == QUIT)
break;
bushels -= seedacres * 3;
printf("\r\n");
printf("\1n\1h\1cProduction Costs:\1n\r\n");
printf("\1g A total of \1n\1h\1y%d\1n\1g ", seedacres);
printf("acres of land have been planted.\r\n");
printf("\r\n");
console.pause();
year++;
var arrived = 0;
var starving = Math.round(citizens - (feed/10));
var died = 0;
if (starving > 0) {
food_riots(starving);
} else if (starving < 0) {
arrived += food_surplus(starving);
starving = 0;
}
if ((random(100) - 10) <= 0)
died += plague();
if ((random(100) - 10) <= 0)
died += huns();
if ((random(100) - 15) <= 0)
arrived += border_expansion();
citizens = citizens + arrived - died - starving;
if (citizens <= 0) {
console.clear();
printf("\r\n\r\n");
printf("\1h\1rDisaster!\1n\r\n\r\n");
printf("\1gThe population went zip!\r\n");
break;
}
var change = arrived - died - starving;
console.clear();
printf("\r\n\r\n\1n\1g");
printf("\1n\1h\1cVital Statistics:\1n\r\n");
printf("\1g Births and Immigration: \1n\1h\1y%d\1n\r\n", arrived);
printf("\1g Starved to Death: \1n\1h\1y%d\1n\r\n", starving);
printf("\1g Died of Natural Causes: \1n\1h\1y%d\1n\r\n", died);
printf("\r\n");
printf("\1g Census Change: \1n\1h");
if (change >= 0)
printf("\1g+");
else
printf("\1r");
printf("%d\1n\r\n\r\n",change);
console.pause();
if ((random(100) - 10) <= 0)
theft();
if ((random(100) - 10) <= 0)
earthquake();
if ((random(100) - 15) <= 0)
grain_shipment();
if ((random(100) - 15) <= 0)
drought();
if ((random(100) - 15) <= 0)
rain();
var hbush = price * seedacres;
var rats = Math.round(random(hbush/2));
var hnet = hbush - rats;
if (hnet > 0) {
printf("\1n\1h\1cHarvest Results:\1n\r\n");
printf("\1g The Harvest Was: \1n\1h\1y%d\1n\1g ",price);
printf("bushels per planted acre.\r\n");
printf("\1g For a Total of: \1n\1h\1y%d\1n\1g bushels.\r\n"
,hbush);
printf("\1g Lost to Rats: \1n\1h\1y%d\1n\1g bushels.\r\n"
,rats);
printf("\r\n");
printf("\1g Total Net Harvest Was: \1n\1h\1g%d\1n\1g bushels.\r\n"
,hnet);
bushels += hnet;
console.pause();
}
}
printf("\1n\1gYour reign lasted \1h\1y%d\1n\1g year", year);
if (year != 1)
printf("s");
printf(".\r\n\r\n");
exit();
/* End of main() */
function border_expansion() {
console.clear();
printf("\r\n\r\n");
printf("\1h\1gBorder Expansion\1n\r\n\r\n");
var cit_gain = random(20)+10;
var acre_gain = random(citizens+250)+50;
acres += acre_gain;
printf("\1n\1gPopulation increase! ");
printf("You gained %d citizens and %d acres of land.\r\n"
,cit_gain,acre_gain);
printf("\r\n\r\n");
console.pause();
return(cit_gain);
}
function drought() {
console.clear();
printf("\r\n\r\n");
printf("\1h\1rDrought\1n\r\n\r\n");
price = random(3)+7;
printf("\1n\1g%d weeks of no water ",0);
printf("and the river is dry like the moat!\r\n");
printf("\r\n\r\n");
console.pause();
}
function earthquake() {
console.clear();
printf("\r\n\r\n");
printf("\1h\1rEarthquake!\1n\r\n\r\n");
var destroyed = Math.round(random(acres/10) + (acres/20));
printf("\1n\1g%d acres of land destroyed.\r\n",destroyed);
printf("\r\n\r\n");
console.pause();
}
function food_riots(starving) {
if ( (random(100) - (5*(starving-2))) > 0 )
return 0; /* No Riot */
console.clear();
printf("\r\n\r\n");
printf("\1h\1rFood Riots\1n\r\n\r\n");
var lost = Math.round(random( (starving * bushels) / (2 * citizens) ));
bushels -= lost;
printf("\1n\1g%d bushels of food lost.\r\n",lost);
printf("\r\n\r\n");
console.pause();
}
function food_surplus(starving) {
console.clear();
printf("\r\n\r\n");
printf("\1h\1gFood Surplus!\1n\r\n\r\n");
var increase = Math.round(random(3 - (starving/2)));
printf("\1gPopulation increase of \1h\1y%d\1n\1g.\r\n", increase);
printf("\r\n\r\n");
console.pause();
return(increase);
}
function grain_shipment() {
console.clear();
printf("\r\n\r\n");
printf("\1h\1gGrain Shipment Arrives!\1n\r\n\r\n");
var shipment = Math.round(random(100+(acres/100))+500);
printf("The shipment contains %d bushels of grain.\r\n",shipment);
bushels += shipment;
price = random(2)+1;
printf("\r\n\r\n");
console.pause();
}
function huns() {
console.clear();
printf("\r\n\r\n");
printf("\1h\1rHun Pillage!\1n\r\n\r\n");
var lost_cits = Math.round(random(citizens/5) + (citizens/5));
var lost_bush = Math.round(random(bushels/20) + (bushels/20));
var lost_acre = Math.round(random(acres/50));
bushels -= lost_bush;
acres -= lost_acre;
printf("\1n\1g%d citizens killed, %d bushels taken, %d acres destroyed.\r\n"
,lost_cits,lost_bush,lost_acre);
printf("\r\n\r\n");
console.pause();
return(lost_cits);
}
function plague() {
console.clear();
printf("\r\n\r\n");
printf("\1h\1rPlague\1n\r\n\r\n");
var died = Math.round((citizens/3) + random((citizens/2)+2));
printf("\1n\1gIn memory of the %d citizens who died in the plague.\r\n",died);
printf("\r\n\r\n");
console.pause();
return(died);
}
function rain() {
console.clear();
printf("\r\n\r\n");
printf("\1h\1gRain\1n\r\n\r\n");
price = random(4)+3;
printf("\1n\1gYour kingdom is blessed with %d days of rain.\r\n",price-3);
printf("\r\n\r\n");
console.pause();
}
function theft() {
console.clear();
printf("\r\n\r\n");
printf("\1h\1rTheft!\1n\r\n\r\n");
var stolen = Math.round(random(bushels/20) + (bushels/20));
printf("\1n\1g%d bushels of grain were stolen!\r\n",stolen);
bushels -= stolen;
printf("\r\n\r\n");
console.pause();
}
function get_input(str,max) {
var valid_keys = "0123456789";
var input_is_valid = false;
var myinput = "";
var myinput_int = 0;
while (!input_is_valid) {
printf("%s", str);
myinput = console.getstr("", 5);
if (myinput == "")
return max;
var fc = myinput[0].toUpperCase();
if ( (fc == "Q") || (fc == "X") )
return QUIT;
for (k in myinput) {
var myregexp = new RegExp('['+ myinput[k] +']', "g");
if (!valid_keys.match(myregexp)) {
break;
} else if (k == myinput.length-1) {
myinput_int = parseInt(myinput);
if ( (myinput_int < max) && (myinput_int > -1) )
input_is_valid = true;
}
}
}
return parseInt(myinput_int);
}
function instructions() {
console.clear();
printf("\r\n\r\n\1n\1g");
printf("In this game, you control a kingdom with three major resources:");
printf("\r\n \1h\1yBUSHELS\1n\1g of food, used to feed your citizens ");
printf("and barter with other kingdoms\r\n");
printf(" to buy more acres of land.");
printf("\r\n \1h\1yACRES\1n\1g of land, which you will use to grow ");
printf("bushels of food. Land can also\r\n");
printf(" be traded to other kingdoms for bushels.");
printf("\r\n \1h\1yCITIZENS\1n\1g, who work your acres of land.");
printf("\r\n\r\n");
printf("The object of the game is twofold: retain as many citizens and ");
printf("resources as\r\n");
printf("possible while making your kingdom last as long as it possibly ");
printf("can. Natural\r\n");
printf("disasters, barbarian raids, fluctuating land prices, and citizen ");
printf("revolts will\r\n");
printf("make this somewhat difficult.\r\n");
printf("\r\n");
printf("Numbers to remember are that it takes a minimum of 10 bushels of ");
printf("food to feed\r\n");
printf("one citizen per year. Optimally, a citizen should be fed 20 ");
printf("bushels of food\r\n");
printf("per year to encourage population growth. An acre requires a ");
printf("minimum of 3\r\n");
printf("bushels to 'seed' properly for growth, and a single citizen is ");
printf("capable of\r\n");
printf("seeding 2 acres of land per year. Starving your population will ");
printf("cause riots.\r\n");
printf("\r\n");
printf("Good luck!\r\n\r\n\1p");
}
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