Files
basic-computer-games/37_Football/javascript/ftball.js
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2022-03-05 09:29:23 +01:00

509 lines
16 KiB
JavaScript

// FTBALL
//
// 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;
}
var os = [];
var sa = [];
var ls = [, "KICK","RECEIVE"," YARD ","RUN BACK FOR ","BALL ON ",
"YARD LINE"," SIMPLE RUN"," TRICKY RUN"," SHORT PASS",
" LONG PASS","PUNT"," QUICK KICK "," PLACE KICK"," LOSS ",
" NO GAIN","GAIN "," TOUCHDOWN "," TOUCHBACK ","SAFETY***",
"JUNK"];
var p;
var x;
var x1;
function fnf(x)
{
return 1 - 2 * p;
}
function fng(z)
{
return p * (x1 - x) + (1 - p) * (x - x1);
}
function show_score()
{
print("\n");
print("SCORE: " + sa[0] + " TO " + sa[1] + "\n");
print("\n");
print("\n");
}
function show_position()
{
if (x <= 50) {
print(ls[5] + os[0] + " " + x + " " + ls[6] + "\n");
} else {
print(ls[5] + os[1] + " " + (100 - x) + " " + ls[6] + "\n");
}
}
function offensive_td()
{
print(ls[17] + "***\n");
if (Math.random() <= 0.8) {
sa[p] = sa[p] + 7;
print("KICK IS GOOD.\n");
} else {
print("KICK IS OFF TO THE SIDE\n");
sa[p] = sa[p] + 6;
}
show_score();
print(os[p] + " KICKS OFF\n");
p = 1 - p;
}
// Main program
async function main()
{
print(tab(33) + "FTBALL\n");
print(tab(15) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n");
print("\n");
print("\n");
print("THIS IS DARTMOUTH CHAMPIONSHIP FOOTBALL.\n");
print("\n");
print("YOU WILL QUARTERBACK DARTMOUTH. CALL PLAYS AS FOLLOWS:\n");
print("1= SIMPLE RUN; 2= TRICKY RUN; 3= SHORT PASS;\n");
print("4= LONG PASS; 5= PUNT; 6= QUICK KICK; 7= PLACE KICK.\n");
print("\n");
print("CHOOSE YOUR OPPONENT");
os[1] = await input();
os[0] = "DARMOUTH";
print("\n");
sa[0] = 0;
sa[1] = 0;
p = Math.floor(Math.random() * 2);
print(os[p] + " WON THE TOSS\n");
if (p != 0) {
print(os[1] + " ELECTS TO RECEIVE.\n");
print("\n");
} else {
print("DO YOU ELECT TO KICK OR RECEIVE");
while (1) {
str = await input();
print("\n");
if (str == ls[1] || str == ls[2])
break;
print("INCORRECT ANSWER. PLEASE TYPE 'KICK' OR 'RECEIVE'");
}
e = (str == ls[1]) ? 1 : 2;
if (e == 1)
p = 1;
}
t = 0;
start = 1;
while (1) {
if (start <= 1) {
x = 40 + (1 - p) * 20;
}
if (start <= 2) {
y = Math.floor(200 * Math.pow((Math.random() - 0.5), 3) + 55);
print(" " + y + " " + ls[3] + " KICKOFF\n");
x = x - fnf(1) * y;
if (Math.abs(x - 50) >= 50) {
print("TOUCHBACK FOR " + os[p] + ".\n");
x = 20 + p * 60;
start = 4;
} else {
start = 3;
}
}
if (start <= 3) {
y = Math.floor(50 * Math.pow(Math.random(), 2)) + (1 - p) * Math.floor(50 * Math.pow(Math.random(), 4));
x = x + fnf(1) * y;
if (Math.abs(x - 50) < 50) {
print(" " + y + " " + ls[3] + " RUNBACK\n");
} else {
print(ls[4]);
offensive_td();
start = 1;
continue;
}
}
if (start <= 4) {
// First down
show_position();
}
if (start <= 5) {
x1 = x;
d = 1;
print("\n");
print("FIRST DOWN " + os[p] + "***\n");
print("\n");
print("\n");
}
// New play
t++;
if (t == 30) {
if (Math.random() <= 1.3) {
print("GAME DELAYED. DOG ON FIELD.\n");
print("\n");
}
}
if (t >= 50 && Math.random() <= 0.2)
break;
if (p != 1) {
// Opponent's play
if (d <= 1) {
z = Math.random() > 1 / 3 ? 1 : 3;
} else if (d != 4) {
if (10 + x - x1 < 5 || x < 5) {
z = Math.random() > 1 / 3 ? 1 : 3;
} else if (x <= 10) {
a = Math.floor(2 * Math.random());
z = 2 + a;
} else if (x <= x1 || d < 3 || x < 45) {
a = Math.floor(2 * Math.random());
z = 2 + a * 2;
} else {
if (Math.random() > 1 / 4)
z = 4;
else
z = 6;
}
} else {
if (x <= 30) {
z = 5;
} else if (10 + x - x1 < 3 || x < 3) {
z = Math.random() > 1 / 3 ? 1 : 3;
} else {
z = 7;
}
}
} else {
print("NEXT PLAY");
while (1) {
z = parseInt(await input());
if (Math.abs(z - 4) <= 3)
break;
print("ILLEGAL PLAY NUMBER, RETYPE");
}
}
f = 0;
print(ls[z + 6] + ". ");
r = Math.random() * (0.98 + fnf(1) * 0.02);
r1 = Math.random();
switch (z) {
case 1: // Simple run
case 2: // Tricky run
if (z == 1) {
y = Math.floor(24 * Math.pow(r - 0.5, 3) + 3);
if (Math.random() >= 0.05) {
routine = 1;
break;
}
} else {
y = Math.floor(20 * r - 5);
if (Math.random() > 0.1) {
routine = 1;
break;
}
}
f = -1;
x3 = x;
x = x + fnf(1) * y;
if (Math.abs(x - 50) < 50) {
print("*** FUMBLE AFTER ");
routine = 2;
break;
} else {
print("*** FUMBLE.\n");
routine = 4;
break;
}
case 3: // Short pass
case 4: // Long pass
if (z == 3) {
y = Math.floor(60 * Math.pow(r1 - 0.5, 3) + 10);
} else {
y = Math.floor(160 * Math.pow((r1 - 0.5), 3) + 30);
}
if (z == 3 && r < 0.05 || z == 4 && r < 0.1) {
if (d != 4) {
print("INTERCEPTED.\n");
f = -1;
x = x + fnf(1) * y;
if (Math.abs(x - 50) >= 50) {
routine = 4;
break;
}
routine = 3;
break;
} else {
y = 0;
if (Math.random() < 0.3) {
print("BATTED DOWN. ");
} else {
print("INCOMPLETE. ");
}
routine = 1;
break;
}
} else if (z == 4 && r < 0.3) {
print("PASSER TACKLED. ");
y = -Math.floor(15 * r1 + 3);
routine = 1;
break;
} else if (z == 3 && r < 0.15) {
print("PASSER TACLKED. ");
y = -Math.floor(10 * r1);
routine = 1;
break;
} else if (z == 3 && r < 0.55 || z == 4 && r < 0.75) {
y = 0;
if (Math.random() < 0.3) {
print("BATTED DOWN. ");
} else {
print("INCOMPLETE. ");
}
routine = 1;
break;
} else {
print("COMPLETE. ");
routine = 1;
break;
}
case 5: // Punt
case 6: // Quick kick
y = Math.floor(100 * Math.pow((r - 0.5), 3) + 35);
if (d != 4)
y = Math.floor(y * 1.3);
print(" " + y + " " + ls[3] + " PUNT\n");
if (Math.abs(x + y * fnf(1) - 50) < 50 && d >= 4) {
y1 = Math.floor(Math.pow(r1, 2) * 20);
print(" " + y1 + " " + ls[3] + " RUN BACK\n");
y = y - y1;
}
f = -1;
x = x + fnf(1) * y;
if (Math.abs(x - 50) >= 50) {
routine = 4;
break;
}
routine = 3;
break;
case 7: // Place kick
y = Math.floor(100 * Math.pow((r - 0.5), 3) + 35);
if (r1 <= 0.15) {
print("KICK IS BLOCKED ***\n");
x = x - 5 * fnf(1);
p = 1 - p;
start = 4;
continue;
}
x = x + fnf(1) * y;
if (Math.abs(x - 50) >= 60) {
if (r1 <= 0.5) {
print("KICK IS OFF TO THE SIDE.\n");
print(ls[18] + "\n");
p = 1 - p;
x = 20 + p * 60;
start = 4;
continue;
} else {
print("FIELD GOAL ***\n");
sa[p] = sa[p] + 3;
show_score();
print(os[p] + " KICKS OFF\n");
p = 1 - p;
start = 1;
continue;
}
} else {
print("KICK IS SHORT.\n");
if (Math.abs(x - 50) >= 50) {
// Touchback
print(ls[18] + "\n");
p = 1 - p;
x = 20 + p * 60;
start = 4;
continue;
}
p = 1 - p;
start = 3;
continue;
}
}
// Gain or loss
if (routine <= 1) {
x3 = x;
x = x + fnf(1) * y;
if (Math.abs(x - 50) >= 50) {
routine = 4;
}
}
if (routine <= 2) {
if (y != 0) {
print(" " + Math.abs(y) + " " + ls[3]);
if (y < 0)
yt = -1;
else if (y > 0)
yt = 1;
else
yt = 0;
print(ls[15 + yt]);
if (Math.abs(x3 - 50) <= 40 && Math.random() < 0.1) {
// Penalty
p3 = Math.floor(2 * Math.random());
print(os[p3] + " OFFSIDES -- PENALTY OF 5 YARDS.\n");
print("\n");
print("\n");
if (p3 != 0) {
print("DO YOU ACCEPT THE PENALTY");
while (1) {
str = await input();
if (str == "YES" || str == "NO")
break;
print("TYPE 'YES' OR 'NO'");
}
if (str == "YES") {
f = 0;
d = d - 1;
if (p != p3)
x = x3 + fnf(1) * 5;
else
x = x3 - fnf(1) * 5;
}
} else {
// Opponent's strategy on penalty
if ((p != 1 && (y <= 0 || f < 0 || fng(1) < 3 * d - 2))
|| (p == 1 && ((y > 5 && f >= 0) || d < 4 || fng(1) >= 10))) {
print("PENALTY REFUSED.\n");
} else {
print("PENALTY ACCEPTED.\n");
f = 0;
d = d - 1;
if (p != p3)
x = x3 + fnf(1) * 5;
else
x = x3 - fnf(1) * 5;
}
}
routine = 3;
}
}
}
if (routine <= 3) {
show_position();
if (f != 0) {
p = 1 - p;
start = 5;
continue;
} else if (fng(1) >= 10) {
start = 5;
continue;
} else if (d == 4) {
p = 1 - p;
start = 5;
continue;
} else {
d++;
print("DOWN: " + d + " ");
if ((x1 - 50) * fnf(1) >= 40) {
print("GOAL TO GO\n");
} else {
print("YARDS TO GO: " + (10 - fng(1)) + "\n");
}
print("\n");
print("\n");
start = 6;
continue;
}
}
if (routine <= 4) {
// Ball in end-zone
e = (x >= 100) ? 1 : 0;
switch (1 + e - f * 2 + p * 4) {
case 1:
case 5:
// Safety
sa[1 - p] = sa[1 - p] + 2;
print(ls[19] + "\n");
show_score();
print(os[p] + " KICKS OFF FROM ITS 20 YARD LINE.\n");
x = 20 + p * 60;
p = 1 - p;
start = 2;
continue;
case 3:
case 6:
// Defensive TD
print(ls[17] + "FOR " + os[1 - p] + "***\n");
p = 1 - p;
// Fall-thru
case 2:
case 8:
// Offensive TD
print(ls[17] + "***\n");
if (Math.random() <= 0.8) {
sa[p] = sa[p] + 7;
print("KICK IS GOOD.\n");
} else {
print("KICK IS OFF TO THE SIDE\n");
sa[p] = sa[p] + 6;
}
show_score();
print(os[p] + " KICKS OFF\n");
p = 1 - p;
start = 1;
continue;
case 4:
case 7:
// Touchback
print(ls[18] + "\n");
p = 1 - p;
x = 20 + p * 60;
start = 4;
continue;
}
}
}
print("END OF GAME ***\n");
print("FINAL SCORE: " + os[0] + ": " + sa[0] + " " + os[1] + ": " + sa[1] + "\n");
}
main();