Files
basic-computer-games/27_Civil_War/javascript/civilwar.js
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529 lines
20 KiB
JavaScript

// CIVIL WAR
//
// Converted from BASIC to Javascript by Oscar Toledo G. (nanochess)
//
function print(str)
{
document.getElementById("output").appendChild(document.createTextNode(str));
}
function input()
{
var input_element;
var input_str;
return new Promise(function (resolve) {
input_element = document.createElement("INPUT");
print("? ");
input_element.setAttribute("type", "text");
input_element.setAttribute("length", "50");
document.getElementById("output").appendChild(input_element);
input_element.focus();
input_str = undefined;
input_element.addEventListener("keydown", function (event) {
if (event.keyCode == 13) {
input_str = input_element.value;
document.getElementById("output").removeChild(input_element);
print(input_str);
print("\n");
resolve(input_str);
}
});
});
}
function tab(space)
{
var str = "";
while (space-- > 0)
str += " ";
return str;
}
// Historical data...can add more (strat., etc) by inserting
// data statements after appro. info, and adjusting read
// 0 - C$ 1-M1 2-M2 3-C1 4-C2 5-D
var historical_data = [,
["BULL RUN",18000,18500,1967,2708,1],
["SHILOH",40000.,44894.,10699,13047,3],
["SEVEN DAYS",95000.,115000.,20614,15849,3],
["SECOND BULL RUN",54000.,63000.,10000,14000,2],
["ANTIETAM",40000.,50000.,10000,12000,3],
["FREDERICKSBURG",75000.,120000.,5377,12653,1],
["MURFREESBORO",38000.,45000.,11000,12000,1],
["CHANCELLORSVILLE",32000,90000.,13000,17197,2],
["VICKSBURG",50000.,70000.,12000,19000,1],
["GETTYSBURG",72500.,85000.,20000,23000,3],
["CHICKAMAUGA",66000.,60000.,18000,16000,2],
["CHATTANOOGA",37000.,60000.,36700.,5800,2],
["SPOTSYLVANIA",62000.,110000.,17723,18000,2],
["ATLANTA",65000.,100000.,8500,3700,1]];
var sa = [];
var da = [];
var fa = [];
var ha = [];
var ba = [];
var oa = [];
// Main program
async function main()
{
print(tab(26) + "CIVIL WAR\n");
print(tab(15) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n");
print("\n");
print("\n");
print("\n");
// Original game design: Cram, Goodie, Hibbard Lexington H.S.
// Modifications: G. Paul, R. Hess (Ties), 1973
// Union info on likely confederate strategy
sa[1] = 25;
sa[2] = 25;
sa[3] = 25;
sa[4] = 25;
d = Math.random();
print("\n");
print("DO YOU WANT INSTRUCTIONS");
while (1) {
str = await input();
if (str == "YES" || str == "NO")
break;
print("YES OR NO -- \n");
}
if (str == "YES") {
print("\n");
print("\n");
print("\n");
print("\n");
print("THIS IS A CIVIL WAR SIMULATION.\n");
print("TO PLAY TYPE A RESPONSE WHEN THE COMPUTER ASKS.\n");
print("REMEMBER THAT ALL FACTORS ARE INTERRELATED AND THAT YOUR\n");
print("RESPONSES COULD CHANGE HISTORY. FACTS AND FIGURES USED ARE\n");
print("BASED ON THE ACTUAL OCCURRENCE. MOST BATTLES TEND TO RESULT\n");
print("AS THEY DID IN THE CIVIL WAR, BUT IT ALL DEPENDS ON YOU!!\n");
print("\n");
print("THE OBJECT OF THE GAME IS TO WIN AS MANY BATTLES AS ");
print("POSSIBLE.\n");
print("\n");
print("YOUR CHOICES FOR DEFENSIVE STRATEGY ARE:\n");
print(" (1) ARTILLERY ATTACK\n");
print(" (2) FORTIFICATION AGAINST FRONTAL ATTACK\n");
print(" (3) FORTIFICATION AGAINST FLANKING MANEUVERS\n");
print(" (4) FALLING BACK\n");
print(" YOUR CHOICES FOR OFFENSIVE STRATEGY ARE:\n");
print(" (1) ARTILLERY ATTACK\n");
print(" (2) FRONTAL ATTACK\n");
print(" (3) FLANKING MANEUVERS\n");
print(" (4) ENCIRCLEMENT\n");
print("YOU MAY SURRENDER BY TYPING A '5' FOR YOUR STRATEGY.\n");
}
print("\n");
print("\n");
print("\n");
print("ARE THERE TWO GENERALS PRESENT ");
while (1) {
print("(ANSWER YES OR NO)");
bs = await input();
if (bs == "YES") {
d = 2;
break;
} else if (bs == "NO") {
print("\n");
print("YOU ARE THE CONFEDERACY. GOOD LUCK!\n");
print("\n");
d = 1;
break;
}
}
print("SELECT A BATTLE BY TYPING A NUMBER FROM 1 TO 14 ON\n");
print("REQUEST. TYPE ANY OTHER NUMBER TO END THE SIMULATION.\n");
print("BUT '0' BRINGS BACK EXACT PREVIOUS BATTLE SITUATION\n");
print("ALLOWING YOU TO REPLAY IT\n");
print("\n");
print("NOTE: A NEGATIVE FOOD$ ENTRY CAUSES THE PROGRAM TO \n");
print("USE THE ENTRIES FROM THE PREVIOUS BATTLE\n");
print("\n");
print("AFTER REQUESTING A BATTLE, DO YOU WISH ");
print("BATTLE DESCRIPTIONS ");
while (1) {
print("(ANSWER YES OR NO)");
xs = await input();
if (xs == "YES" || xs == "NO")
break;
}
l = 0;
w = 0;
r1 = 0;
q1 = 0;
m3 = 0;
m4 = 0;
p1 = 0;
p2 = 0;
t1 = 0;
t2 = 0;
for (i = 1; i <= 2; i++) {
da[i] = 0;
fa[i] = 0;
ha[i] = 0;
ba[i] = 0;
oa[i] = 0;
}
r2 = 0;
q2 = 0;
c6 = 0;
f = 0;
w0 = 0;
y = 0;
y2 = 0;
u = 0;
u2 = 0;
while (1) {
print("\n");
print("\n");
print("\n");
print("WHICH BATTLE DO YOU WISH TO SIMULATE");
a = parseInt(await input());
if (a < 1 || a > 14)
break;
if (a != 0 || r == 0) {
cs = historical_data[a][0];
m1 = historical_data[a][1];
m2 = historical_data[a][2];
c1 = historical_data[a][3];
c2 = historical_data[a][4];
m = historical_data[a][5];
u = 0;
// Inflation calc
i1 = 10 + (l - w) * 2;
i2 = 10 + (w - l) * 2;
// Money available
da[1] = 100 * Math.floor((m1 * (100 - i1) / 2000) * (1 + (r1 - q1) / (r1 + 1)) + 0.5);
da[2] = 100 * Math.floor(m2 * (100 - i2) / 2000 + 0.5);
if (bs == "YES") {
da[2] = 100 * Math.floor((m2 * (100 - i2) / 2000) * (1 + (r2 - q2) / (r2 + 1)) + 0.5);
}
// Men available
m5 = Math.floor(m1 * (1 + (p1 - t1) / (m3 + 1)));
m6 = Math.floor(m2 * (1 + (p2 - t2) / (m4 + 1)));
f1 = 5 * m1 / 6;
print("\n");
print("\n");
print("\n");
print("\n");
print("\n");
print("THIS IS THE BATTLE OF " + cs + "\n");
if (xs != "NO") {
switch (a) {
case 1:
print("JULY 21, 1861. GEN. BEAUREGARD, COMMANDING THE SOUTH, MET\n");
print("UNION FORCES WITH GEN. MCDOWELL IN A PREMATURE BATTLE AT\n");
print("BULL RUN. GEN. JACKSON HELPED PUSH BACK THE UNION ATTACK.\n");
break;
case 2:
print("APRIL 6-7, 1862. THE CONFEDERATE SURPRISE ATTACK AT\n");
print("SHILOH FAILED DUE TO POOR ORGANIZATION.\n");
break;
case 3:
print("JUNE 25-JULY 1, 1862. GENERAL LEE (CSA) UPHELD THE\n");
print("OFFENSIVE THROUGHOUT THE BATTLE AND FORCED GEN. MCCLELLAN\n");
print("AND THE UNION FORCES AWAY FROM RICHMOND.\n");
break;
case 4:
print("AUG 29-30, 1862. THE COMBINED CONFEDERATE FORCES UNDER LEE\n");
print("AND JACKSON DROVE THE UNION FORCES BACK INTO WASHINGTON.\n");
break;
case 5:
print("SEPT 17, 1862. THE SOUTH FAILED TO INCORPORATE MARYLAND\n");
print("INTO THE CONFEDERACY.\n");
break;
case 6:
print("DEC 13, 1862. THE CONFEDERACY UNDER LEE SUCCESSFULLY\n");
print("REPULSED AN ATTACK BY THE UNION UNDER GEN. BURNSIDE.\n");
break;
case 7:
print("DEC 31, 1862. THE SOUTH UNDER GEN. BRAGG WON A CLOSE BATTLE.\n");
break;
case 8:
print("MAY 1-6, 1863. THE SOUTH HAD A COSTLY VICTORY AND LOST\n");
print("ONE OF THEIR OUTSTANDING GENERALS, 'STONEWALL' JACKSON.\n");
break;
case 9:
print("JULY 4, 1863. VICKSBURG WAS A COSTLY DEFEAT FOR THE SOUTH\n");
print("BECAUSE IT GAVE THE UNION ACCESS TO THE MISSISSIPPI.\n");
break;
case 10:
print("JULY 1-3, 1863. A SOUTHERN MISTAKE BY GEN. LEE AT GETTYSBURG\n");
print("COST THEM ONE OF THE MOST CRUCIAL BATTLES OF THE WAR.\n");
break;
case 11:
print("SEPT. 15, 1863. CONFUSION IN A FOREST NEAR CHICKAMAUGA LED\n");
print("TO A COSTLY SOUTHERN VICTORY.\n");
break;
case 12:
print("NOV. 25, 1863. AFTER THE SOUTH HAD SIEGED GEN. ROSENCRANS'\n");
print("ARMY FOR THREE MONTHS, GEN. GRANT BROKE THE SIEGE.\n");
break;
case 13:
print("MAY 5, 1864. GRANT'S PLAN TO KEEP LEE ISOLATED BEGAN TO\n");
print("FAIL HERE, AND CONTINUED AT COLD HARBOR AND PETERSBURG.\n");
break;
case 14:
print("AUGUST, 1864. SHERMAN AND THREE VETERAN ARMIES CONVERGED\n");
print("ON ATLANTA AND DEALT THE DEATH BLOW TO THE CONFEDERACY.\n");
break;
}
}
} else {
print(cs + " INSTANT REPLAY\n");
}
print("\n");
print(" \tCONFEDERACY\t UNION\n"),
print("MEN\t " + m5 + "\t\t " + m6 + "\n");
print("MONEY\t $" + da[1] + "\t\t$" + da[2] + "\n");
print("INFLATION\t " + (i1 + 15) + "%\t " + i2 + "%\n");
print("\n");
// ONLY IN PRINTOUT IS CONFED INFLATION = I1 + 15%
// IF TWO GENERALS, INPUT CONFED, FIRST
for (i = 1; i <= d; i++) {
if (bs == "YES" && i == 1)
print("CONFEDERATE GENERAL---");
print("HOW MUCH DO YOU WISH TO SPEND FOR\n");
while (1) {
print(" - FOOD......");
f = parseInt(await input());
if (f < 0) {
if (r1 == 0) {
print("NO PREVIOUS ENTRIES\n");
continue;
}
print("ASSUME YOU WANT TO KEEP SAME ALLOCATIONS\n");
print("\n");
break;
}
fa[i] = f;
while (1) {
print(" - SALARIES..");
ha[i] = parseInt(await input());
if (ha[i] >= 0)
break;
print("NEGATIVE VALUES NOT ALLOWED.\n");
}
while (1) {
print(" - AMMUNITION");
ba[i] = parseInt(await input());
if (ba[i] >= 0)
break;
print("NEGATIVE VALUES NOT ALLOWED.\n");
}
print("\n");
if (fa[i] + ha[i] + ba[i] > da[i]) {
print("THINK AGAIN! YOU HAVE ONLY $" + da[i] + "\n");
} else {
break;
}
}
if (bs != "YES" || i == 2)
break;
print("UNION GENERAL---");
}
for (z = 1; z <= d; z++) {
if (bs == "YES") {
if (z == 1)
print("CONFEDERATE ");
else
print(" UNION ");
}
// Find morale
o = ((2 * Math.pow(fa[z], 2) + Math.pow(ha[z], 2)) / Math.pow(f1, 2) + 1);
if (o >= 10) {
print("MORALE IS HIGH\n");
} else if (o >= 5) {
print("MORALE IS FAIR\n");
} else {
print("MORALE IS POOR\n");
}
if (bs != "YES")
break;
oa[z] = o;
}
o2 = oa[2];
o = oa[1];
print("CONFEDERATE GENERAL---");
// Actual off/def battle situation
if (m == 3) {
print("YOU ARE ON THE OFFENSIVE\n");
} else if (m == 1) {
print("YOU ARE ON THE DEFENSIVE\n");
} else {
print("BOTH SIDES ARE ON THE OFFENSIVE \n");
}
print("\n");
// Choose strategies
if (bs != "YES") {
print("YOUR STRATEGY ");
while (1) {
y = parseInt(await input());
if (Math.abs(y - 3) < 3)
break;
print("STRATEGY " + y + " NOT ALLOWED.\n");
}
if (y == 5) {
print("THE CONFEDERACY HAS SURRENDERED.\n");
break;
}
// Union strategy is computer choesn
print("UNION STRATEGY IS ");
if (a == 0) {
while (1) {
y2 = parseInt(await input());
if (y2 > 0 && y2 < 5)
break;
print("ENTER 1, 2, 3, OR 4 (USUALLY PREVIOUS UNION STRATEGY)\n");
}
} else {
s0 = 0;
r = Math.random() * 100;
for (i = 1; i <= 4; i++) {
s0 += sa[i];
// If actual strategy info is in program data statements
// then r-100 is extra weight given to that strategy.
if (r < s0)
break;
}
y2 = i;
print(y2 + "\n");
}
} else {
for (i = 1; i <= 2; i++) {
if (i == 1)
print("CONFEDERATE STRATEGY ");
while (1) {
y = parseInt(await input());
if (Math.abs(y - 3) < 3)
break;
print("STRATEGY " + y + " NOT ALLOWED.\n");
}
if (i == 2) {
y2 = y;
y = y1;
if (y2 != 5)
break;
} else {
y1 = y;
}
print("UNION STRATEGY ");
}
// Simulated losses - North
c6 = (2 * c2 / 5) * (1 + 1 / (2 * (Math.abs(y2 - y) + 1)));
c6 = c6 * (1.28 + (5 * m2 / 6) / (ba[2] + 1));
c6 = Math.floor(c6 * (1 + 1 / o2) + 0.5);
// If loss > men present, rescale losses
e2 = 100 / o2;
if (Math.floor(c6 + e2) >= m6) {
c6 = Math.floor(13 * m6 / 20);
e2 = 7 * c6 / 13;
u2 = 1;
}
}
// Calculate simulated losses
print("\n");
print("\n");
print("\n");
print("\t\tCONFEDERACY\tUNION\n");
c5 = (2 * c1 / 5) * (1 + 1 / (2 * (Math.abs(y2 - y) + 1)));
c5 = Math.floor(c5 * (1 + 1 / o) * (1.28 + f1 / (ba[1] + 1)) + 0.5);
e = 100 / o;
if (c5 + 100 / o >= m1 * (1 + (p1 - t1) / (m3 + 1))) {
c5 = Math.floor(13 * m1 / 20 * (1 + (p1 - t1) / (m3 + 1)));
e = 7 * c5 / 13;
u = 1;
}
if (d == 1) {
c6 = Math.floor(17 * c2 * c1 / (c5 * 20));
e2 = 5 * o;
}
print("CASUALTIES\t" + c5 + "\t\t" + c6 + "\n");
print("DESERTIONS\t" + Math.floor(e) + "\t\t" + Math.floor(e2) + "\n");
print("\n");
if (bs == "YES") {
print("COMPARED TO THE ACTUAL CASUALTIES AT " + cs + "\n");
print("CONFEDERATE: " + Math.floor(100 * (c5 / c1) + 0.5) + "% OF THE ORIGINAL\n");
print("UNION: " + Math.floor(100 * (c6 / c2) + 0.5) + "% OF THE ORIGINAL\n");
}
print("\n");
// 1 Who one
if (u == 1 && u2 == 1 || (u != 1 && u2 != 1 && c5 + e == c6 + e2)) {
print("BATTLE OUTCOME UNRESOLVED\n");
w0++;
} else if (u == 1 || (u != 1 && u2 != 1 && c5 + e > c6 + e2)) {
print("THE UNION WINS " + cs + "\n");
if (a != 0)
l++;
} else {
print("THE CONFEDERACY WINS " + cs + "\n");
if (a != 0)
w++;
}
// Lines 2530 to 2590 from original are unreachable.
if (a != 0) {
t1 += c5 + e;
t2 += c6 + e2;
p1 += c1;
p2 += c2;
q1 += fa[1] + ha[1] + ba[1];
q2 += fa[2] + ha[2] + ba[2];
r1 += m1 * (100 - i1) / 20;
r2 += m2 * (100 - i2) / 20;
m3 += m1;
m4 += m2;
// Learn present strategy, start forgetting old ones
// present startegy of south gains 3*s, others lose s
// probability points, unless a strategy falls below 5%.
s = 3;
s0 = 0;
for (i = 1; i <= 4; i++) {
if (sa[i] <= 5)
continue;
sa[i] -= 5;
s0 += s;
}
sa[y] += s0;
}
u = 0;
u2 = 0;
print("---------------");
continue;
}
print("\n");
print("\n");
print("\n");
print("\n");
print("\n");
print("\n");
print("THE CONFEDERACY HAS WON " + w + " BATTLES AND LOST " + l + "\n");
if (y == 5 || (y2 != 5 && w <= l)) {
print("THE UNION HAS WON THE WAR\n");
} else {
print("THE CONFEDERACY HAS WON THE WAR\n");
}
print("\n");
if (r1) {
print("FOR THE " + (w + l + w0) + " BATTLES FOUGHT (EXCLUDING RERUNS)\n");
print(" \t \t ");
print("CONFEDERACY\t UNION\n");
print("HISTORICAL LOSSES\t" + Math.floor(p1 + 0.5) + "\t" + Math.floor(p2 + 0.5) + "\n");
print("SIMULATED LOSSES\t" + Math.floor(t1 + 0.5) + "\t" + Math.floor(t2 + 0.5) + "\n");
print("\n");
print(" % OF ORIGINAL\t" + Math.floor(100 * (t1 / p1) + 0.5) + "\t" + Math.floor(100 * (t2 / p2) + 0.5) + "\n");
if (bs != "YES") {
print("\n");
print("UNION INTELLIGENCE SUGGEST THAT THE SOUTH USED \n");
print("STRATEGIES 1, 2, 3, 4 IN THE FOLLOWING PERCENTAGES\n");
print(sa[1] + " " + sa[2] + " " + sa[3] + " " + sa[4] + "\n");
}
}
}
main();