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compiler.js
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compiler.js
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'use strict';
function isColor(str) {
str = str.trim();
if (str in colorPalettes.arnecolors)
return true;
if (/^#([0-9A-F]{3}){1,2}$/i.test(str))
return true;
if (str === "transparent")
return true;
return false;
}
function colorToHex(palette, str) {
str = str.trim();
if (str in palette) {
return palette[str];
}
return str;
}
function generateSpriteMatrix(dat) {
var result = [];
for (var i = 0; i < dat.length; i++) {
var row = [];
for (var j = 0; j < dat.length; j++) {
var ch = dat[i].charAt(j);
if (ch == '.') {
row.push(-1);
} else {
row.push(ch);
}
}
result.push(row);
}
return result;
}
var debugMode;
var colorPalette;
function generateExtraMembers(state) {
if (state.collisionLayers.length === 0) {
logError("No collision layers defined. All objects need to be in collision layers.");
}
//annotate objects with layers
//assign ids at the same time
state.idDict = [];
var idcount = 0;
for (var layerIndex = 0; layerIndex < state.collisionLayers.length; layerIndex++) {
for (var j = 0; j < state.collisionLayers[layerIndex].length; j++) {
var n = state.collisionLayers[layerIndex][j];
if (n in state.objects) {
var o = state.objects[n];
o.layer = layerIndex;
o.id = idcount;
state.idDict[idcount] = n;
idcount++;
}
}
}
//set object count
state.objectCount = idcount;
//calculate blank mask template
var layerCount = state.collisionLayers.length;
var blankMask = [];
for (var i = 0; i < layerCount; i++) {
blankMask.push(-1);
}
// how many words do our bitvecs need to hold?
STRIDE_OBJ = Math.ceil(state.objectCount / 32) | 0;
STRIDE_MOV = Math.ceil(layerCount / 5) | 0;
state.STRIDE_OBJ = STRIDE_OBJ;
state.STRIDE_MOV = STRIDE_MOV;
//get colorpalette name
debugMode = false;
verbose_logging = false;
throttle_movement = false;
colorPalette = colorPalettes.arnecolors;
for (var i = 0; i < state.metadata.length; i += 2) {
var key = state.metadata[i];
var val = state.metadata[i + 1];
if (key === 'color_palette') {
if (val in colorPalettesAliases) {
val = colorPalettesAliases[val];
}
if (colorPalettes[val] === undefined) {
logError('Palette "' + val + '" not found, defaulting to arnecolors.', 0);
} else {
colorPalette = colorPalettes[val];
}
} else if (key === 'debug') {
if (IDE && unitTesting===false){
debugMode = true;
cache_console_messages = true;
}
} else if (key === 'verbose_logging') {
if (IDE && unitTesting===false){
verbose_logging = true;
cache_console_messages = true;
}
} else if (key === 'throttle_movement') {
throttle_movement = true;
}
}
//convert colors to hex
for (var n in state.objects) {
if (state.objects.hasOwnProperty(n)) {
//convert color to hex
var o = state.objects[n];
if (o.colors.length > 10) {
logError("a sprite cannot have more than 10 colors. Why you would want more than 10 is beyond me.", o.lineNumber + 1);
}
for (var i = 0; i < o.colors.length; i++) {
var c = o.colors[i];
if (isColor(c)) {
c = colorToHex(colorPalette, c);
o.colors[i] = c;
} else {
logError('Invalid color specified for object "' + n + '", namely "' + o.colors[i] + '".', o.lineNumber + 1);
o.colors[i] = '#ff00ff'; // magenta error color
}
}
}
}
//generate sprite matrix
for (var n in state.objects) {
if (state.objects.hasOwnProperty(n)) {
var o = state.objects[n];
if (o.colors.length == 0) {
logError('color not specified for object "' + n + '".', o.lineNumber);
o.colors = ["#ff00ff"];
}
if (o.spritematrix.length === 0) {
o.spritematrix = [
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0],
[0, 0, 0, 0, 0]
];
} else {
if (o.spritematrix.length !== 5 || o.spritematrix[0].length !== 5 || o.spritematrix[1].length !== 5 || o.spritematrix[2].length !== 5 || o.spritematrix[3].length !== 5 || o.spritematrix[4].length !== 5) {
logWarning("Sprite graphics must be 5 wide and 5 high exactly.", o.lineNumber);
}
o.spritematrix = generateSpriteMatrix(o.spritematrix);
}
}
}
var glyphOrder = [];
//calculate glyph dictionary
var glyphDict = {};
for (var n in state.objects) {
if (state.objects.hasOwnProperty(n)) {
var o = state.objects[n];
var mask = blankMask.concat([]);
mask[o.layer] = o.id;
glyphDict[n] = mask;
glyphOrder.push([o.lineNumber,n]);
}
}
var added = true;
while (added)
{
added = false;
//then, synonyms
for (var i = 0; i < state.legend_synonyms.length; i++) {
var dat = state.legend_synonyms[i];
var key = dat[0];
var val = dat[1];
if ((!(key in glyphDict) || (glyphDict[key] === undefined)) && (glyphDict[val] !== undefined)) {
added = true;
glyphDict[key] = glyphDict[val];
glyphOrder.push([dat.lineNumber,key]);
}
}
//then, aggregates
for (var i = 0; i < state.legend_aggregates.length; i++) {
var dat = state.legend_aggregates[i];
var key = dat[0];
var vals = dat.slice(1);
var allVallsFound = true;
for (var j = 0; j < vals.length; j++) {
var v = vals[j];
if (glyphDict[v] === undefined) {
allVallsFound = false;
break;
}
}
if ((!(key in glyphDict) || (glyphDict[key] === undefined)) && allVallsFound) {
var mask = blankMask.concat([]);
for (var j = 1; j < dat.length; j++) {
var n = dat[j];
var o = state.objects[n];
if (o == undefined) {
logError('Object not found with name ' + n, state.lineNumber);
}
if (mask[o.layer] == -1) {
mask[o.layer] = o.id;
} else {
if (o.layer === undefined) {
logError('Object "' + n.toUpperCase() + '" has been defined, but not assigned to a layer.', dat.lineNumber);
} else {
var n1 = n.toUpperCase();
var n2 = state.idDict[mask[o.layer]].toUpperCase();
// if (n1 !== n2) {
logError(
'Trying to create an aggregate object (something defined in the LEGEND section using AND) with both "' +
n1 + '" and "' + n2 + '", which are on the same layer and therefore can\'t coexist.',
dat.lineNumber
);
// }
}
}
}
added = true;
glyphDict[dat[0]] = mask;
glyphOrder.push([dat.lineNumber,key]);
}
}
}
//sort glyphs line number
glyphOrder.sort((a,b)=>a[0] - b[0]);
glyphOrder = glyphOrder.map(a=>a[1]);
state.glyphDict = glyphDict;
state.glyphOrder = glyphOrder;
var aggregatesDict = {};
for (var i = 0; i < state.legend_aggregates.length; i++) {
var entry = state.legend_aggregates[i];
aggregatesDict[entry[0]] = entry.slice(1);
}
state.aggregatesDict = aggregatesDict;
var propertiesDict = {};
for (var i = 0; i < state.legend_properties.length; i++) {
var entry = state.legend_properties[i];
propertiesDict[entry[0]] = entry.slice(1);
}
state.propertiesDict = propertiesDict;
//calculate lookup dictionaries
var synonymsDict = {};
for (var i = 0; i < state.legend_synonyms.length; i++) {
var entry = state.legend_synonyms[i];
var key = entry[0];
var value = entry[1];
if (value in aggregatesDict) {
aggregatesDict[key] = aggregatesDict[value];
} else if (value in propertiesDict) {
propertiesDict[key] = propertiesDict[value];
} else if (key !== value) {
synonymsDict[key] = value;
}
}
state.synonymsDict = synonymsDict;
var modified = true;
while (modified) {
modified = false;
for (var n in synonymsDict) {
if (synonymsDict.hasOwnProperty(n)) {
var value = synonymsDict[n];
if (value in propertiesDict) {
delete synonymsDict[n];
propertiesDict[n] = propertiesDict[value];
modified = true;
} else if (value in aggregatesDict) {
delete aggregatesDict[n];
aggregatesDict[n] = aggregatesDict[value];
modified = true;
} else if (value in synonymsDict) {
synonymsDict[n] = synonymsDict[value];
}
}
}
for (var n in propertiesDict) {
if (propertiesDict.hasOwnProperty(n)) {
var values = propertiesDict[n];
for (var i = 0; i < values.length; i++) {
var value = values[i];
if (value in synonymsDict) {
values[i] = synonymsDict[value];
modified = true;
} else if (value in propertiesDict) {
values.splice(i, 1);
var newvalues = propertiesDict[value];
for (var j = 0; j < newvalues.length; j++) {
var newvalue = newvalues[j];
if (values.indexOf(newvalue) === -1) {
values.push(newvalue);
}
}
modified = true;
}
if (value in aggregatesDict) {
logError('Trying to define property "' + n.toUpperCase() + '" in terms of aggregate "' + value.toUpperCase() + '".');
}
}
}
}
for (var n in aggregatesDict) {
if (aggregatesDict.hasOwnProperty(n)) {
var values = aggregatesDict[n];
for (var i = 0; i < values.length; i++) {
var value = values[i];
if (value in synonymsDict) {
values[i] = synonymsDict[value];
modified = true;
} else if (value in aggregatesDict) {
values.splice(i, 1);
var newvalues = aggregatesDict[value];
for (var j = 0; j < newvalues.length; j++) {
var newvalue = newvalues[j];
if (values.indexOf(newvalue) === -1) {
values.push(newvalue);
}
}
modified = true;
}
if (value in propertiesDict) {
logError('Trying to define aggregate "' + n.toUpperCase() + '" in terms of property "' + value.toUpperCase() + '".');
}
}
}
}
}
/* determine which properties specify objects all on one layer */
state.propertiesSingleLayer = {};
for (var key in propertiesDict) {
if (propertiesDict.hasOwnProperty(key)) {
var values = propertiesDict[key];
var sameLayer = true;
for (var i = 1; i < values.length; i++) {
if ((state.objects[values[i - 1]].layer !== state.objects[values[i]].layer)) {
sameLayer = false;
break;
}
}
if (sameLayer) {
state.propertiesSingleLayer[key] = state.objects[values[0]].layer;
}
}
}
if (state.idDict[0] === undefined && state.collisionLayers.length > 0) {
logError('You need to have some objects defined');
}
//set default background object
var backgroundid;
var backgroundlayer;
if (state.objects.background === undefined) {
if ('background' in state.synonymsDict) {
var n = state.synonymsDict['background'];
var o = state.objects[n];
backgroundid = o.id;
backgroundlayer = o.layer;
} else if ('background' in state.propertiesDict) {
var backgrounddef = state.propertiesDict['background'];
var n = backgrounddef[0];
var o = state.objects[n];
backgroundid = o.id;
backgroundlayer = o.layer;
for (var i=1;i<backgrounddef.length;i++){
var nnew = backgrounddef[i];
var onew = state.objects[nnew];
if (onew.layer !== backgroundlayer) {
var lineNumber = state.original_line_numbers['background'];
logError('Background objects must be on the same layer',lineNumber);
}
}
} else if ('background' in state.aggregatesDict) {
var o = state.objects[state.idDict[0]];
backgroundid = o.id;
backgroundlayer = o.layer;
var lineNumber = state.original_line_numbers['background'];
logError("background cannot be an aggregate (declared with 'and'), it has to be a simple type, or property (declared in terms of others using 'or').",lineNumber);
} else {
var o = state.objects[state.idDict[0]];
if (o!=null){
backgroundid = o.id;
backgroundlayer = o.layer;
}
logError("you have to define something to be the background");
}
} else {
backgroundid = state.objects.background.id;
backgroundlayer = state.objects.background.layer;
}
state.backgroundid = backgroundid;
state.backgroundlayer = backgroundlayer;
}
Level.prototype.calcBackgroundMask = function(state) {
if (state.backgroundlayer === undefined) {
logError("you have to have a background layer");
}
var backgroundMask = state.layerMasks[state.backgroundlayer];
for (var i = 0; i < this.n_tiles; i++) {
var cell = this.getCell(i);
cell.iand(backgroundMask);
if (!cell.iszero()) {
return cell;
}
}
cell = new BitVec(STRIDE_OBJ);
cell.ibitset(state.backgroundid);
return cell;
}
function levelFromString(state, level) {
var backgroundlayer = state.backgroundlayer;
var backgroundid = state.backgroundid;
var backgroundLayerMask = state.layerMasks[backgroundlayer];
var o = new Level(level[0], level[1].length, level.length - 1, state.collisionLayers.length, null);
o.objects = new Int32Array(o.width * o.height * STRIDE_OBJ);
for (var i = 0; i < o.width; i++) {
for (var j = 0; j < o.height; j++) {
var ch = level[j + 1].charAt(i);
if (ch.length == 0) {
ch = level[j + 1].charAt(level[j + 1].length - 1);
}
var mask = state.glyphDict[ch];
if (mask == undefined) {
if (state.propertiesDict[ch] === undefined) {
logError('Error, symbol "' + ch + '", used in map, not found.', level[0] + j);
} else {
logError('Error, symbol "' + ch + '" is defined using OR, and therefore ambiguous - it cannot be used in a map. Did you mean to define it in terms of AND?', level[0] + j);
}
return o;
}
var maskint = new BitVec(STRIDE_OBJ);
mask = mask.concat([]);
for (var z = 0; z < o.layerCount; z++) {
if (mask[z] >= 0) {
maskint.ibitset(mask[z]);
}
}
for (var w = 0; w < STRIDE_OBJ; ++w) {
o.objects[STRIDE_OBJ * (i * o.height + j) + w] = maskint.data[w];
}
}
}
var levelBackgroundMask = o.calcBackgroundMask(state);
for (var i = 0; i < o.n_tiles; i++) {
var cell = o.getCell(i);
if (!backgroundLayerMask.anyBitsInCommon(cell)) {
cell.ior(levelBackgroundMask);
o.setCell(i, cell);
}
}
return o;
}
//also assigns glyphDict
function levelsToArray(state) {
var levels = state.levels;
var processedLevels = [];
for (var levelIndex = 0; levelIndex < levels.length; levelIndex++) {
var level = levels[levelIndex];
if (level.length == 0) {
continue;
}
if (level[0] == '\n') {
var o = {
message: level[1]
};
splitMessage = wordwrap(o.message, intro_template[0].length);
if (splitMessage.length > 12) {
logWarning('Message too long to fit on screen.', level[2]);
}
processedLevels.push(o);
} else {
var o = levelFromString(state, level);
processedLevels.push(o);
}
}
state.levels = processedLevels;
}
var directionaggregates = {
'horizontal': ['left', 'right'],
'horizontal_par': ['left', 'right'],
'horizontal_perp': ['left', 'right'],
'vertical': ['up', 'down'],
'vertical_par': ['up', 'down'],
'vertical_perp': ['up', 'down'],
'moving': ['up', 'down', 'left', 'right', 'action'],
'orthogonal': ['up', 'down', 'left', 'right'],
'perpendicular': ['^', 'v'],
'parallel': ['<', '>']
};
var relativeDirections = ['^', 'v', '<', '>', 'perpendicular', 'parallel'];
var simpleAbsoluteDirections = ['up', 'down', 'left', 'right'];
var simpleRelativeDirections = ['^', 'v', '<', '>'];
var reg_directions_only = /^(\>|\<|\^|v|up|down|left|right|moving|stationary|no|randomdir|random|horizontal|vertical|orthogonal|perpendicular|parallel|action)$/;
//redeclaring here, i don't know why
var commandwords = ["sfx0", "sfx1", "sfx2", "sfx3", "sfx4", "sfx5", "sfx6", "sfx7", "sfx8", "sfx9", "sfx10", "cancel", "checkpoint", "restart", "win", "message", "again"];
function directionalRule(rule) {
for (var i = 0; i < rule.lhs.length; i++) {
var cellRow = rule.lhs[i];
if (cellRow.length > 1) {
return true;
}
for (var j = 0; j < cellRow.length; j++) {
var cell = cellRow[j];
for (var k = 0; k < cell.length; k += 2) {
if (relativeDirections.indexOf(cell[k]) >= 0) {
return true;
}
}
}
}
for (var i = 0; i < rule.rhs.length; i++) {
var cellRow = rule.rhs[i];
if (cellRow.length > 1) {
return true;
}
for (var j = 0; j < cellRow.length; j++) {
var cell = cellRow[j];
for (var k = 0; k < cell.length; k += 2) {
if (relativeDirections.indexOf(cell[k]) >= 0) {
return true;
}
}
}
}
return false;
}
function findIndexAfterToken(str, tokens, tokenIndex) {
str = str.toLowerCase();
var curIndex = 0;
for (var i = 0; i <= tokenIndex; i++) {
var token = tokens[i];
curIndex = str.indexOf(token, curIndex) + token.length;
}
return curIndex;
}
function rightBracketToRightOf(tokens,i){
for(;i<tokens.length;i++){
if (tokens[i]==="]"){
return true;
}
}
return false;
}
function processRuleString(rule, state, curRules) {
/*
intermediate structure
dirs: Directions[]
pre : CellMask[]
post : CellMask[]
//pre/post pairs must have same lengths
final rule structure
dir: Direction
pre : CellMask[]
post : CellMask[]
*/
var line = rule[0];
var lineNumber = rule[1];
var origLine = rule[2];
// STEP ONE, TOKENIZE
line = line.replace(/\[/g, ' [ ').replace(/\]/g, ' ] ').replace(/\|/g, ' | ').replace(/\-\>/g, ' -> ');
line = line.trim();
if (line[0] === '+') {
line = line.substring(0, 1) + " " + line.substring(1, line.length);
}
var tokens = line.split(/\s/).filter(function(v) { return v !== '' });
if (tokens.length == 0) {
logError('Spooky error! Empty line passed to rule function.', lineNumber);
}
// STEP TWO, READ DIRECTIONS
/*
STATE
0 - scanning for initial directions
LHS
1 - reading cell contents LHS
2 - reading cell contents RHS
*/
var parsestate = 0;
var directions = [];
var curcell = null; // [up, cat, down mouse]
var curcellrow = []; // [ [up, cat] [ down, mouse ] ]
var incellrow = false;
var appendGroup = false;
var rhs = false;
var lhs_cells = [];
var rhs_cells = [];
var late = false;
var rigid = false;
var groupNumber = lineNumber;
var commands = [];
var randomRule = false;
var has_plus = false;
if (tokens.length === 1) {
if (tokens[0] === "startloop") {
rule_line = {
bracket: 1
}
return rule_line;
} else if (tokens[0] === "endloop") {
rule_line = {
bracket: -1
}
return rule_line;
}
}
if (tokens.indexOf('->') == -1) {
logError("A rule has to have an arrow in it. There's no arrow here! Consider reading up about rules - you're clearly doing something weird", lineNumber);
}
var curcell = [];
var bracketbalance = 0;
for (var i = 0; i < tokens.length; i++) {
var token = tokens[i];
switch (parsestate) {
case 0:
{
//read initial directions
if (token === '+') {
has_plus=true;
if (groupNumber === lineNumber) {
if (curRules.length == 0) {
logError('The "+" symbol, for joining a rule with the group of the previous rule, needs a previous rule to be applied to.', lineNumber);
}
if (i !== 0) {
logError('The "+" symbol, for joining a rule with the group of the previous rule, must be the first symbol on the line ', lineNumber);
}
groupNumber = curRules[curRules.length - 1].groupNumber;
} else {
logError('Two "+"s (the "append to previous rule group" symbol) applied to the same rule.', lineNumber);
}
} else if (token in directionaggregates) {
directions = directions.concat(directionaggregates[token]);
} else if (token === 'late') {
late = true;
} else if (token === 'rigid') {
rigid = true;
} else if (token === 'random') {
randomRule = true;
if (has_plus)
{
logError(`A rule-group can only be marked random by the opening rule in the group (aka, a '+' and 'random' can't appear as rule modifiers on the same line). Why? Well, you see "random" isn't a property of individual rules, but of whole rule groups. It indicates that a single possible application of some rule from the whole group should be applied at random.`, lineNumber)
}
} else if (simpleAbsoluteDirections.indexOf(token) >= 0) {
directions.push(token);
} else if (simpleRelativeDirections.indexOf(token) >= 0) {
logError('You cannot use relative directions (\"^v<>\") to indicate in which direction(s) a rule applies. Use absolute directions indicators (Up, Down, Left, Right, Horizontal, or Vertical, for instance), or, if you want the rule to apply in all four directions, do not specify directions', lineNumber);
} else if (token == '[') {
if (directions.length == 0) {
directions = directions.concat(directionaggregates['orthogonal']);
}
parsestate = 1;
i--;
} else {
logError("The start of a rule must consist of some number of directions (possibly 0), before the first bracket, specifying in what directions to look (with no direction specified, it applies in all four directions). It seems you've just entered \"" + token.toUpperCase() + '\".', lineNumber);
}
break;
}
case 1:
{
if (token == '[') {
bracketbalance++;
if (bracketbalance > 1) {
logWarning("Multiple opening brackets without closing brackets. Something fishy here. Every '[' has to be closed by a ']', and you can't nest them.", lineNumber);
}
if (curcell.length > 0) {
logError('Error, malformed cell rule - encountered a "["" before previous bracket was closed', lineNumber);
}
incellrow = true;
curcell = [];
} else if (reg_directions_only.exec(token)) {
if (curcell.length % 2 == 1) {
logError("Error, an item can only have one direction/action at a time, but you're looking for several at once!", lineNumber);
} else if (!incellrow) {
logWarning("Invalid syntax. Directions should be placed at the start of a rule.", lineNumber);
} else if (late && token!=='no' && token!=='random' && token!=='randomdir') {
logError("Movements cannot appear in late rules.", lineNumber);
} else {
curcell.push(token);
}
} else if (token == '|') {
if (!incellrow) {
logWarning('Janky syntax. "|" should only be used inside cell rows (the square brackety bits).', lineNumber);
} else if (curcell.length % 2 == 1) {
logError('In a rule, if you specify a movement, it has to act on an object.', lineNumber);
} else {
curcellrow.push(curcell);
curcell = [];
}
} else if (token === ']') {
bracketbalance--;
if (bracketbalance < 0) {
logWarning("Multiple closing brackets without corresponding opening brackets. Something fishy here. Every '[' has to be closed by a ']', and you can't nest them.", lineNumber);
}
if (curcell.length % 2 == 1) {
if (curcell[0] === '...') {
logError('Cannot end a rule with ellipses.', lineNumber);
} else {
logError('In a rule, if you specify a movement, it has to act on an object.', lineNumber);
}
} else {
curcellrow.push(curcell);
curcell = [];
}
if (rhs) {
rhs_cells.push(curcellrow);
} else {
lhs_cells.push(curcellrow);
}
curcellrow = [];
incellrow = false;
} else if (token === '->') {
if (groupNumber !== lineNumber) {
var parentrule = curRules[curRules.length - 1];
if (parentrule.late!==late){
logWarning('Oh gosh you can mix late and non-late rules in a rule-group if you really want to, but gosh why would you want to do that? What do you expect to accomplish?', lineNumber);
}
}
if (incellrow) {
logWarning('Encountered an unexpected "->" inside square brackets. It\'s used to separate states, it has no place inside them >:| .', lineNumber);
} else if (rhs) {
logError('Error, you can only use "->" once in a rule; it\'s used to separate before and after states.', lineNumber);
} else {
rhs = true;
}
} else if (state.names.indexOf(token) >= 0) {
if (!incellrow) {
logWarning("Invalid token " + token.toUpperCase() + ". Object names should only be used within cells (square brackets).", lineNumber);
} else if (curcell.length % 2 == 0) {
curcell.push('');
curcell.push(token);
} else if (curcell.length % 2 == 1) {
curcell.push(token);
}
} else if (token === '...') {
if (!incellrow) {
logWarning("Invalid syntax, ellipses should only be used within cells (square brackets).", lineNumber);
} else {
curcell.push(token);
curcell.push(token);
}
} else if (commandwords.indexOf(token) >= 0) {
if (rhs === false) {
logError("Commands should only appear at the end of rules, not in or before the pattern-detection/-replacement sections.", lineNumber);
} else if (incellrow || rightBracketToRightOf(tokens,i)){//only a warning for legacy support reasons.
logWarning("Commands should only appear at the end of rules, not in or before the pattern-detection/-replacement sections.", lineNumber);
}
if (token === 'message') {
var messageIndex = findIndexAfterToken(origLine, tokens, i);
var messageStr = origLine.substring(messageIndex).trim();
if (messageStr === "") {
messageStr = " ";
//needs to be nonempty or the system gets confused and thinks it's a whole level message rather than an interstitial.
}
commands.push([token, messageStr]);
i = tokens.length;
} else {
commands.push([token]);
}
} else {
logError('Error, malformed cell rule - was looking for cell contents, but found "' + token + '". What am I supposed to do with this, eh, please tell me that.', lineNumber);
}
}
}
}
if (late && rigid){
logError("Late rules cannot be marked as rigid (rigid rules are all about dealing with the consequences of unresolvable movements, and late rules can't even have movements).", lineNumber);
}
if (lhs_cells.length != rhs_cells.length) {
if (commands.length > 0 && rhs_cells.length == 0) {
//ok
} else {
logWarning('Error, when specifying a rule, the number of matches (square bracketed bits) on the left hand side of the arrow must equal the number on the right', lineNumber);
}
} else {
for (var i = 0; i < lhs_cells.length; i++) {
if (lhs_cells[i].length != rhs_cells[i].length) {
logError('In a rule, each pattern to match on the left must have a corresponding pattern on the right of equal length (number of cells).', lineNumber);
state.invalid=true;
}
if (lhs_cells[i].length == 0) {
logError("You have an totally empty pattern on the left-hand side. This will match *everything*. You certainly don't want this.");
}
}
}
if (lhs_cells.length == 0) {
logError('This rule refers to nothing. What the heck? :O', lineNumber);
}
var rule_line = {
directions: directions,
lhs: lhs_cells,
rhs: rhs_cells,
lineNumber: lineNumber,
late: late,
rigid: rigid,
groupNumber: groupNumber,
commands: commands,
randomRule: randomRule
};
if (directionalRule(rule_line) === false && rule_line.directions.length>1) {
rule_line.directions.splice(1);
}
//next up - replace relative directions with absolute direction
return rule_line;
}
function deepCloneHS(HS) {
var cloneHS = HS.map(function(arr) { return arr.map(function(deepArr) { return deepArr.slice(); }); });
return cloneHS;
}
function deepCloneRule(rule) {
var clonedRule = {
direction: rule.direction,
lhs: deepCloneHS(rule.lhs),
rhs: deepCloneHS(rule.rhs),
lineNumber: rule.lineNumber,
late: rule.late,
rigid: rule.rigid,
groupNumber: rule.groupNumber,
commands: rule.commands,
randomRule: rule.randomRule
};
return clonedRule;
}
function rulesToArray(state) {
var oldrules = state.rules;
var rules = [];
var loops = [];
for (var i = 0; i < oldrules.length; i++) {
var lineNumber = oldrules[i][1];
var newrule = processRuleString(oldrules[i], state, rules);
if (newrule.bracket !== undefined) {
loops.push([lineNumber, newrule.bracket]);
continue;
}
rules.push(newrule);
}
state.loops = loops;
//now expand out rules with multiple directions
var rules2 = [];
for (var i = 0; i < rules.length; i++) {
var rule = rules[i];
var ruledirs = rule.directions;
for (var j = 0; j < ruledirs.length; j++) {
var dir = ruledirs[j];
if (dir in directionaggregates && directionalRule(rule)) {
var dirs = directionaggregates[dir];
for (var k = 0; k < dirs.length; k++) {
var modifiedrule = deepCloneRule(rule);
modifiedrule.direction = dirs[k];
rules2.push(modifiedrule);
}
} else {
var modifiedrule = deepCloneRule(rule);
modifiedrule.direction = dir;
rules2.push(modifiedrule);
}
}
}
for (var i = 0; i < rules2.length; i++) {
var rule = rules2[i];
//remove relative directions
convertRelativeDirsToAbsolute(rule);
//optional: replace up/left rules with their down/right equivalents
rewriteUpLeftRules(rule);
//replace aggregates with what they mean
atomizeAggregates(state, rule);
if (state.invalid){
return;
}
//replace synonyms with what they mean
rephraseSynonyms(state, rule);
}
var rules3 = [];
//expand property rules
for (var i = 0; i < rules2.length; i++) {
var rule = rules2[i];
rules3 = rules3.concat(concretizeMovingRule(state, rule, rule.lineNumber));
}
var rules4 = [];
for (var i = 0; i < rules3.length; i++) {
var rule = rules3[i];
rules4 = rules4.concat(concretizePropertyRule(state, rule, rule.lineNumber));
}
for (var i=0;i<rules4.length;i++){
makeSpawnedObjectsStationary(state,rules4[i],rule.lineNumber);
}
state.rules = rules4;
}
function containsEllipsis(rule) {
for (var i = 0; i < rule.lhs.length; i++) {
for (var j = 0; j < rule.lhs[i].length; j++) {
if (rule.lhs[i][j][1] === '...')
return true;
}
}
return false;
}
function rewriteUpLeftRules(rule) {
if (containsEllipsis(rule)) {
return;
}
if (rule.direction == 'up') {
rule.direction = 'down';
} else if (rule.direction == 'left') {
rule.direction = 'right';
} else {
return;
}
for (var i = 0; i < rule.lhs.length; i++) {
rule.lhs[i].reverse();
if (rule.rhs.length > 0) {
rule.rhs[i].reverse();
}
}
}
//expands all properties to list of all things it could be, filterio
function getPossibleObjectsFromCell(state, cell) {
var result = [];
for (var j = 0; j < cell.length; j += 2) {
var dir = cell[j];