288 lines
6.6 KiB
JavaScript
288 lines
6.6 KiB
JavaScript
|
|
var Mine = function() {
|
|
var ALIVE = 0, LOST = 1, ABORTED = 2, WON = 3;
|
|
|
|
function defaultMeta() {
|
|
return {
|
|
Water: 0,
|
|
Flooding: 0,
|
|
Waterproof: 10,
|
|
}
|
|
}
|
|
|
|
function repeat(str, n) {
|
|
return new Array(n+1).join(str);
|
|
}
|
|
|
|
function Mine(map) {
|
|
this.parse(map)
|
|
};
|
|
Mine.ALIVE = ALIVE;
|
|
Mine.LOST = LOST;
|
|
Mine.ABORTED = ABORTED;
|
|
Mine.WON = WON;
|
|
|
|
Mine.prototype.parse = function(map) {
|
|
var lines, i, width, height, pair, x, line;
|
|
this.orig_map = map;
|
|
lines = map.split(/\r\n?|\r?\n/);
|
|
|
|
width = 0;
|
|
height = lines.length;
|
|
for (i = 0; i < lines.length; ++i) {
|
|
if (0 == lines[i].length) {
|
|
height = i;
|
|
lines.splice(i, 1);
|
|
break;
|
|
}
|
|
width = Math.max(width, lines[i].length);
|
|
}
|
|
this.height = height;
|
|
this.width = width;
|
|
this.map = map = lines.splice(0, height).reverse();
|
|
this.lambdas = 0;
|
|
this.found_lambdas = 0;
|
|
this.moves = 0;
|
|
this.score = 0;
|
|
this.moves_below_water = 0;
|
|
this.lift = this.robot = false;
|
|
for (i = 0; i < height; ++i) {
|
|
// padding
|
|
if (map[i].length < width) map[i] += repeat(' ', width - map[i].length);
|
|
line = map[i] = map[i].split('');
|
|
|
|
// scan
|
|
for (x = 0; x < width; ++x) {
|
|
switch (line[x]) {
|
|
case ' ':
|
|
case '*':
|
|
case '#':
|
|
case '.':
|
|
break;
|
|
case '\\':
|
|
this.lambdas++;
|
|
break;
|
|
case 'L':
|
|
if (this.lift !== false) throw "Only one lift is allowed";
|
|
this.lift = { x: x, y: i };
|
|
break;
|
|
case 'R':
|
|
if (this.robot !== false) throw "Only one robot is allowed";
|
|
this.robot = { x: x, y: i };
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// if (this.lift === false) throw "Need a lift";
|
|
if (this.robot === false) throw "Need a robot";
|
|
|
|
// meta data
|
|
this.meta = defaultMeta();
|
|
for (i = 0; i < lines.length; ++i) {
|
|
if (0 == lines[i].length) continue;
|
|
pair = lines[i].split(/ +/);
|
|
this.meta[pair[0]] = pair.splice(1).join(" ");
|
|
}
|
|
this.state = ALIVE;
|
|
};
|
|
|
|
Mine.prototype.get = function (x, y) {
|
|
if (x < 0 || y < 0 || x >= this.width || y >= this.height) return '#';
|
|
return this.map[y][x];
|
|
}
|
|
|
|
Mine.prototype.validMove = function (command) {
|
|
if (this.state != ALIVE) return false;
|
|
var n;
|
|
command = command.toUpperCase();
|
|
switch (command) {
|
|
case 'L':
|
|
case 'R':
|
|
n = (command == 'L' ? -1 : 1);
|
|
if (this.robot.x + n < 0) return false;
|
|
if (this.robot.x + n >= this.width) return false;
|
|
switch (this.map[this.robot.y][this.robot.x+n]) {
|
|
case '#': return false;
|
|
case ' ':
|
|
case '.':
|
|
case '\\': return true;
|
|
case 'L': return 0 == this.lambdas;
|
|
case '*':
|
|
if (this.robot.x + 2*n < 0) return false;
|
|
if (this.robot.x + 2*n >= this.width) return false;
|
|
if (' ' == this.map[this.robot.y][this.robot.x+2*n]) return true;
|
|
}
|
|
break;
|
|
case 'U':
|
|
case 'D':
|
|
n = (command == 'D' ? -1 : 1);
|
|
if (this.robot.y + n < 0) return false;
|
|
if (this.robot.y + n >= this.height) return false;
|
|
switch (this.map[this.robot.y+n][this.robot.x]) {
|
|
case '#': return false;
|
|
case ' ':
|
|
case '.':
|
|
case '\\': return true;
|
|
case 'L': return 0 == this.lambdas;
|
|
case '*': return false;
|
|
" style="}
|
|
break;
|
|
case 'W':
|
|
case 'A':
|
|
return true;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
Mine.prototype.move = function(command) {
|
|
if (this.state != ALIVE) return false;
|
|
var n;
|
|
command = command.toUpperCase();
|
|
if (this.validMove(command)) {
|
|
switch (command.toUpperCase()) {
|
|
case 'L':
|
|
case 'R':
|
|
n = (command == 'L' ? -1 : 1);
|
|
this.map[this.robot.y][this.robot.x] = ' ';
|
|
switch (this.map[this.robot.y][this.robot.x+n]) {
|
|
case '*':
|
|
this.map[this.robot.y][this.robot.x+2*n] = '*';
|
|
break;
|
|
case '\\':
|
|
this.lambdas--;
|
|
this.found_lambdas++;
|
|
break;
|
|
case 'L':
|
|
this._foundLift();
|
|
break;
|
|
}
|
|
this.robot.x += n;
|
|
this.map[this.robot.y][this.robot.x] = 'R';
|
|
break;
|
|
case 'U':
|
|
case 'D':
|
|
n = (command == 'D' ? -1 : 1);
|
|
this.map[this.robot.y][this.robot.x] = ' ';
|
|
switch (this.map[this.robot.y+n][this.robot.x]) {
|
|
case '\\':
|
|
this.lambdas--;
|
|
this.found_lambdas++;
|
|
break;
|
|
case 'L':
|
|
this._foundLift();
|
|
break;
|
|
}
|
|
this.robot.y += n;
|
|
this.map[this.robot.y][this.robot.x] = 'R';
|
|
break;
|
|
case 'A':
|
|
this._abort();
|
|
return;
|
|
}
|
|
}
|
|
this.moves++;
|
|
|
|
var newMap = [], x, y, below;
|
|
for (y = 0; y < this.height; ++y) { newMap[y] = this.map[y].slice(); }
|
|
|
|
for (y = 0; y < this.height; ++y) {
|
|
for (x = 0; x < this.width; ++x) {
|
|
if ('*' == this.map[y][x]) {
|
|
below = this.get(x, y-1);
|
|
if (' ' == below) {
|
|
// fall down
|
|
newMap[y-1][x] = '*';
|
|
newMap[y][x] = ' ';
|
|
if ('R' == this.get(x, y-2)) this._crushed();
|
|
} else if ((below == '*' || below == '\\') && ' ' == this.get(x+1, y-1) && ' ' == this.map[y][x+1]) {
|
|
// fall right
|
|
newMap[y-1][x+1] = '*';
|
|
newMap[y][x] = ' ';
|
|
if ('R' == this.get(x+1, y-2)) this._crushed();
|
|
} else if ((below == '*') && ' ' == this.get(x-1, y-1) && ' ' == this.map[y][x-1]) {
|
|
// fall left
|
|
newMap[y-1][x-1] = '*';
|
|
newMap[y][x] = ' ';
|
|
if ('R' == this.get(x-1, y-2)) this._crushed();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
this.map = newMap;
|
|
|
|
if (this.robot.y < this.meta['Water']) {
|
|
this.moves_below_water++;
|
|
if (this.moves_below_water > this.meta['Waterproof']) this._drown();
|
|
} else {
|
|
this.moves_below_water = 0;
|
|
}
|
|
if (this.meta['Flooding'] > 0 && 0 == (this.moves % this.meta['Flooding'])) {
|
|
this.meta['Water']++;
|
|
}
|
|
|
|
switch (this.state) {
|
|
case LOST:
|
|
this.score = 25*this.found_lambdas - this.moves;
|
|
break;
|
|
case WON:
|
|
this.score = 75*this.found_lambdas - this.moves;
|
|
break;
|
|
case ALIVE:
|
|
case ABORTED:
|
|
this.score = 50*this.found_lambdas - this.moves;
|
|
break;
|
|
}
|
|
};
|
|
|
|
Mine.prototype._drown = function() {
|
|
if (this.state < LOST) {
|
|
this.state = LOST;
|
|
this.reason = "Drowned";
|
|
}
|
|
};
|
|
|
|
Mine.prototype._crushed = function() {
|
|
if (this.state < LOST) {
|
|
this.state = LOST;
|
|
this.reason = "Crushed by rock";
|
|
}
|
|
};
|
|
|
|
Mine.prototype._foundLift = function() {
|
|
if (this.state < WON) {
|
|
this.state = WON;
|
|
this.reason = "Found lift";
|
|
}
|
|
};
|
|
|
|
Mine.prototype._abort = function() {
|
|
if (this.state < ABORTED) {
|
|
this.state = ABORTED;
|
|
this.reason = "Aborted";
|
|
}
|
|
};
|
|
|
|
Mine.prototype.toString = function() {
|
|
return this.map.map(function(l) { return l.join(''); }).reverse().join("\n");
|
|
};
|
|
|
|
Mine.prototype.metaText = function() {
|
|
var k, keys = [], lines = [];
|
|
for (k in this.meta) {
|
|
if (this.meta.hasOwnProperty(k)) keys.push(k);
|
|
}
|
|
keys.sort();
|
|
for (k = 0; k < keys.length; ++k) {
|
|
lines[k] = keys[k] + " " + this.meta[keys[k]];
|
|
}
|
|
return lines.join("\n");
|
|
};
|
|
|
|
return Mine;
|
|
}();
|
|
|
|
if (typeof exports !== "undefined") {
|
|
exports.Mine = Mine;
|
|
}
|