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<!DOCTYPE html> |
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<html> |
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<head> |
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<title>Reglike</title> |
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<style> |
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*, *::before, *::after { |
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margin: 0; |
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padding: 0; |
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box-sizing: border-box; |
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} |
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html, body { |
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width: 100%; |
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height: 100%; |
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background: #333; |
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color: #bbb; |
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font-family: sans-serif; |
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} |
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.game > .display { |
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white-space: pre; |
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font-family: monospace; |
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font-size: 2rem; |
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} |
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.instructions { |
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font-size: 1.2rem; |
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padding: 0.5em; |
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} |
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</style> |
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</head> |
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<body> |
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<div class="game"> |
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<div class="display"></div> |
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<form action="#" data-controls> |
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<input type="text" name="action" /> |
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<button type="submit">Submit</button> |
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</form> |
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</div> |
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<div class="instructions"> |
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Use the R, L, U, and D commands to move yourself (@) and attack monsters (1 and 2). |
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</div> |
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<script> |
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"use strict"; |
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var gameEl = document.querySelector(".game"); |
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var display = document.querySelector(".display"); |
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var controls = gameEl.querySelector("form[data-controls]"); |
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var input = controls.querySelector("input[name=\"action\"]"); |
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var BASE_BOARD = ` |
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████████████████ |
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█.2..1112..██.1█ |
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█.@.████2████2.█ |
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█1.████1.2.1...█ |
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████████████████ |
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▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄▄ |
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▌HP:3 │ LV:1▐ |
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▌XP: <▐ |
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▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ |
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`.trim(); |
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var state = { |
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board: BASE_BOARD |
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}; |
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var code = [ |
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[/@\.((?:.|\n)+)R$/gi, "\.@$1"], // move right |
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[/\.@((?:.|\n)+)L$/gi, "@\.$1"], // move left |
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[/\.((?:.|\n){16})@((?:.|\n)+)U$/gi, "@$1\.$2"], // move up |
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[/@((?:.|\n){16})\.((?:.|\n)+)D$/gi, "\.$1@$2"], // move down |
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[/@2((?:.|\n)+)R$/gi, "@1$1"], // attack right, 2 -> 1 |
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[/@1((?:.|\n)+?)XP:(\|*) ((?:.|\n)+)R$/gi, "\.@$1XP:$2|$3"], // kill monster R, add XP |
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[/2@((?:.|\n)+)L$/gi, "1@$1"], // attack left, 2 -> 1 |
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[/1@((?:.|\n)+?)XP:(\|*) ((?:.|\n)+)L$/gi, "@\.$1XP:$2|$3"], // kill monster L, add XP |
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[/2((?:.|\n){16})@((?:.|\n)+)U$/gi, "1$1@$2"], // attack up, 2 -> 1 |
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[/1((?:.|\n){16})@((?:.|\n)+?)XP:(\|*) ((?:.|\n)+)U$/gi, "@$1\.$2XP:$3|$4"], // kill monster U, add XP |
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[/@((?:.|\n){16})2((?:.|\n)+)D$/gi, "@$11$2"], // attack down, 2 -> 1 |
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[/@((?:.|\n){16})1((?:.|\n)+?)XP:(\|*) ((?:.|\n)+)D$/gi, "\.$1@$2XP:$3|$4"], // kill monster D, add XP |
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[/LV:1((?:.|\n)+?)XP:\|{10}/, "LV:2$1XP: "], // level up (1 -> 2) |
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[/LV:2((?:.|\n)+?)XP:\|{10}/, "LV:3$1XP: "], // level up (1 -> 2) |
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[/[^\n]+$/, ""] // remove command from buffer |
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]; |
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var colors = [ |
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[/[▄▐▌▀│<]+|█/g, "#fff"], |
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[/HP:(\d)/, "#0d0"], |
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[/LV:(\d)/, "#77e"], |
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[/@/, "#ddf"], |
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]; |
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function harvest() { |
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return state.board + "\n" + input.value; |
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} |
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function step() { |
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var value = harvest(); |
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code.forEach(function(pair) { |
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value = value.replace(pair[0], pair[1]); |
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}); |
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state.board = value.trim(); |
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show(); |
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} |
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function colorize(board) { |
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colors.forEach(function(pair) { |
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var a = pair[0]; |
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var b = pair[1]; |
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board = board.replace(a, `<span style="color: ${ b }">$&</span>`); |
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}); |
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return board; |
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} |
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function show() { |
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display.innerHTML = colorize(state.board); |
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input.value = ""; |
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} |
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controls.addEventListener("submit", function(e) { |
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e.preventDefault(); |
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step(); |
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return false; |
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}); |
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show(); |
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</script> |
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</body> |
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</html> |