mirror of
https://github.com/coding-horror/basic-computer-games.git
synced 2025-12-22 07:10:42 -08:00
Removed spaces from top-level directory names.
Spaces tend to cause annoyances in a Unix-style shell environment. This change fixes that.
This commit is contained in:
Chris Reuter
175
26_Chomp/javascript/chomp.js
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175
26_Chomp/javascript/chomp.js
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// CHOMP
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//
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// Converted from BASIC to Javascript by Oscar Toledo G. (nanochess)
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//
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function print(str)
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{
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document.getElementById("output").appendChild(document.createTextNode(str));
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}
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function input()
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{
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var input_element;
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var input_str;
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return new Promise(function (resolve) {
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input_element = document.createElement("INPUT");
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print("? ");
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input_element.setAttribute("type", "text");
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input_element.setAttribute("length", "50");
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document.getElementById("output").appendChild(input_element);
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input_element.focus();
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input_str = undefined;
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input_element.addEventListener("keydown", function (event) {
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if (event.keyCode == 13) {
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input_str = input_element.value;
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document.getElementById("output").removeChild(input_element);
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print(input_str);
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print("\n");
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resolve(input_str);
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}
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});
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});
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}
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function tab(space)
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{
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var str = "";
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while (space-- > 0)
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str += " ";
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return str;
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}
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var a = [];
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var r;
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var c;
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function init_board()
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{
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for (i = 1; i <= r; i++)
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for (j = 1; j <= c; j++)
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a[i][j] = 1;
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a[1][1] = -1;
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}
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function show_board()
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{
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print("\n");
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print(tab(7) + "1 2 3 4 5 6 7 8 9\n");
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for (i = 1; i <= r; i++) {
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str = i + tab(6);
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for (j = 1; j <= c; j++) {
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if (a[i][j] == -1)
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str += "P ";
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else if (a[i][j] == 0)
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break;
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else
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str += "* ";
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}
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print(str + "\n");
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}
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print("\n");
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}
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// Main program
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async function main()
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{
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print(tab(33) + "CHOMP\n");
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print(tab(15) + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n");
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print("\n");
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print("\n");
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print("\n");
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for (i = 1; i <= 10; i++)
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a[i] = [];
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// *** THE GAME OF CHOMP *** COPYRIGHT PCC 1973 ***
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print("\n");
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print("THIS IS THE GAME OF CHOMP (SCIENTIFIC AMERICAN, JAN 1973)\n");
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print("DO YOU WANT THE RULES (1=YES, 0=NO!)");
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r = parseInt(await input());
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if (r != 0) {
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f = 1;
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r = 5;
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c = 7;
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print("CHOMP IS FOR 1 OR MORE PLAYERS (HUMANS ONLY).\n");
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print("\n");
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print("HERE'S HOW A BOARD LOOKS (THIS ONE IS 5 BY 7):\n");
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init_board();
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show_board();
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print("\n");
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print("THE BOARD IS A BIG COOKIE - R ROWS HIGH AND C COLUMNS\n");
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print("WIDE. YOU INPUT R AND C AT THE START. IN THE UPPER LEFT\n");
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print("CORNER OF THE COOKIE IS A POISON SQUARE (P). THE ONE WHO\n");
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print("CHOMPS THE POISON SQUARE LOSES. TO TAKE A CHOMP, TYPE THE\n");
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print("ROW AND COLUMN OF ONE OF THE SQUARES ON THE COOKIE.\n");
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print("ALL OF THE SQUARES BELOW AND TO THE RIGHT OF THAT SQUARE\n");
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print("INCLUDING THAT SQUARE, TOO) DISAPPEAR -- CHOMP!!\n");
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print("NO FAIR CHOMPING SQUARES THAT HAVE ALREADY BEEN CHOMPED,\n");
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print("OR THAT ARE OUTSIDE THE ORIGINAL DIMENSIONS OF THE COOKIE.\n");
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print("\n");
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}
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while (1) {
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print("HERE WE GO...\n");
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f = 0;
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for (i = 1; i <= 10; i++) {
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a[i] = [];
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for (j = 1; j <= 10; j++) {
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a[i][j] = 0;
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}
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}
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print("\n");
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print("HOW MANY PLAYERS");
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p = parseInt(await input());
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i1 = 0;
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while (1) {
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print("HOW MANY ROWS");
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r = parseInt(await input());
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if (r <= 9)
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break;
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print("TOO MANY ROWS (9 IS MAXIMUM). NOW ");
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}
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while (1) {
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print("HOW MANY COLUMNS");
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c = parseInt(await input());
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if (c <= 9)
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break;
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print("TOO MANY COLUMNS (9 IS MAXIMUM). NOW ");
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}
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print("\n");
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init_board();
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while (1) {
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// Print the board
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show_board();
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// Get chomps for each player in turn
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i1++;
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p1 = i1 - Math.floor(i1 / p) * p;
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if (p1 == 0)
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p1 = p;
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while (1) {
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print("PLAYER " + p1 + "\n");
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print("COORDINATES OF CHOMP (ROW,COLUMN)");
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str = await input();
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r1 = parseInt(str);
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c1 = parseInt(str.substr(str.indexOf(",") + 1));
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if (r1 >= 1 && r1 <= r && c1 >= 1 && c1 <= c && a[r1][c1] != 0)
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break;
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print("NO FAIR. YOU'RE TRYING TO CHOMP ON EMPTY SPACE!\n");
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}
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if (a[r1][c1] == -1)
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break;
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for (i = r1; i <= r; i++)
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for (j = c1; j <= c; j++)
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a[i][j] = 0;
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}
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// End of game detected
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print("YOU LOSE, PLAYER " + p1 + "\n");
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print("\n");
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print("AGAIN (1=YES, 0=NO!)");
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r = parseInt(await input());
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if (r != 1)
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break;
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}
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}
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main();
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