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Ported ONE CHECK to Javascript

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nanochess
2021-03-01 22:16:39 -06:00
parent 7fb1849aa4
commit fbfb41f5fa
2 changed files with 160 additions and 0 deletions
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67 One Check/javascript/onecheck.html Normal file
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<html>
<head>
<title>ONE CHECK</title>
</head>
<body>
<pre id="output" style="font-size: 12pt;"></pre>
<script src="onecheck.js"></script>
</body>
</html>

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67 One Check/javascript/onecheck.js Normal file
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// ONE CHECK
//
// 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 a = [];
// Main program
async function main()
{
print(tab(30) + "ONE CHECK\n");
print(tab(15) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n");
print("\n");
print("\n");
print("\n");
for (i = 0; i <= 64; i++)
a[i] = 0;
print("SOLITAIRE CHECKER PUZZLE BY DAVID AHL\n");
print("\n");
print("48 CHECKERS ARE PLACED ON THE 2 OUTSIDE SPACES OF A\n");
print("STANDARD 64-SQUARE CHECKERBOARD. THE OBJECT IS TO\n");
print("REMOVE AS MANY CHECKERS AS POSSIBLE BY DIAGONAL JUMPS\n");
print("(AS IN STANDARD CHECKERS). USE THE NUMBERED BOARD TO\n");
print("INDICATE THE SQUARE YOU WISH TO JUMP FROM AND TO. ON\n");
print("THE BOARD PRINTED OUT ON EACH TURN '1' INDICATES A\n");
print("CHECKER AND '0' AN EMPTY SQUARE. WHEN YOU HAVE NO\n");
print("POSSIBLE JUMPS REMAINING, INPUT A '0' IN RESPONSE TO\n");
print("QUESTION 'JUMP FROM ?'\n");
print("\n");
print("HERE IS THE NUMERICAL BOARD:\n");
print("\n");
while (1) {
for (j = 1; j <= 57; j += 8) {
str = "";
for (i = 0; i <= 7; i++) {
while (str.length < 4 * i)
str += " ";
str += " " + (j + i);
}
print(str + "\n");
}
print("\n");
print("AND HERE IS THE OPENING POSITION OF THE CHECKERS.\n");
print("\n");
for (j = 1; j <= 64; j++)
a[j] = 1;
for (j = 19; j <= 43; j += 8)
for (i = j; i <= j + 3; i++)
a[i] = 0;
m = 0;
while (1) {
// Print board
for (j = 1; j <= 57; j += 8) {
str = "";
for (i = j; i <= j + 7; i++) {
str += " " + a[i] + " ";
}
print(str + "\n");
}
print("\n");
while (1) {
print("JUMP FROM");
f = parseInt(await input());
if (f == 0)
break;
print("TO");
t = parseInt(await input());
print("\n");
// Check legality of move
f1 = Math.floor((f - 1) / 8);
f2 = f - 8 * f1;
t1 = Math.floor((t - 1) / 8);
t2 = t - 8 * t1;
if (f1 > 7 || t1 > 7 || f2 > 8 || t2 > 8 || Math.abs(f1 - t1) != 2 || Math.abs(f2 - t2) != 2 || a[(t + f) / 2] == 0 || a[f] == 0 || a[t] == 1) {
print("ILLEGAL MOVE. TRY AGAIN...\n");
continue;
}
break;
}
if (f == 0)
break;
// Update board
a[t] = 1;
a[f] = 0;
a[(t + f) / 2] = 0;
m++;
}
// End game summary
s = 0;
for (i = 1; i <= 64; i++)
s += a[i];
print("\n");
print("YOU MADE " + m + " JUMPS AND HAD " + s + " PIECES\n");
print("REMAINING ON THE BOARD.\n");
print("\n");
while (1) {
print("TRY AGAIN");
str = await input();
if (str == "YES")
break;
if (str == "NO")
break;
print("PLEASE ANSWER 'YES' OR 'NO'.\n");
}
if (str == "NO")
break;
}
print("\n");
print("O.K. HOPE YOU HAD FUN!!\n");
}
main();