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Mis parser start
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RandomityGuy
parent
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4 changed files with 520 additions and 0 deletions
62
src/Util.hx
62
src/Util.hx
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@ -77,4 +77,66 @@ class Util {
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}
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bitmap.unlock();
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}
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public static function splitIgnoreStringLiterals(str:String, splitter:String, strLiteralToken = '"') {
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var indices = [];
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var inString = false;
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for (i in 0...str.length) {
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var c = str.charAt(i);
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if (inString) {
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if (c == strLiteralToken && str.charAt(i - 1) != '\\')
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inString = false;
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continue;
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}
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if (c == strLiteralToken)
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inString = true;
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else if (c == splitter)
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indices.push(i);
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}
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var parts = [];
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var remaining = str;
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for (i in 0...indices.length) {
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var index = indices[i] - (str.length - remaining.length);
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var part = remaining.substring(0, index);
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remaining = remaining.substring(index + 1);
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parts.push(part);
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}
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parts.push(remaining);
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return parts;
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}
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public static function unescape(str:String) {
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var specialCases = [
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'\\t' => '\t',
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'\\v' => '\x0B',
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'\\0' => '\x00',
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'\\f' => '\x0C',
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'\\n' => '\n',
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'\\r' => '\r'
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];
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for (obj => esc in specialCases) {
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str = StringTools.replace(str, obj, esc);
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}
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return str;
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}
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/** Gets the index of a substring like String.prototype.indexOf, but only if that index lies outside of string literals. */
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public static function indexOfIgnoreStringLiterals(str:String, searchString:String, position = 0, strLiteralToken = '"') {
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var inString = false;
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for (i in position...str.length) {
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var c = str.charAt(i);
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if (inString) {
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if (c == strLiteralToken && str.charAt(i - 1) != '\\')
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inString = false;
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continue;
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}
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if (c == strLiteralToken)
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inString = true;
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else if (StringTools.startsWith(str.substr(i), searchString))
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return i;
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}
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return -1;
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}
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}
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3
src/mis/MisFile.hx
Normal file
3
src/mis/MisFile.hx
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@ -0,0 +1,3 @@
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package mis;
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class MisFile {}
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178
src/mis/MisParser.hx
Normal file
178
src/mis/MisParser.hx
Normal file
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@ -0,0 +1,178 @@
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package mis;
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import mis.MissionElement.MissionElementType;
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import mis.MissionElement.MissionElementScriptObject;
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import src.Util;
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import h3d.Vector;
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import h3d.Quat;
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final elementHeadRegEx = ~/new (\w+)\((\w*)\) *{/g;
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final blockCommentRegEx = ~/\/\*(.|\n)*?\*\//g;
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final lineCommentRegEx = ~/\/\/.*/g;
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final assignmentRegEx = ~/(\$(?:\w|\d)+)\s*=\s*(.+?);/g;
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final marbleAttributesRegEx = ~/setMarbleAttributes\("(\w+)",\s*(.+?)\);/g;
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final activatePackageRegEx = ~/activatePackage\((.+?)\);/g;
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class MisParser {
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var text:String;
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var index = 0;
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var currentElementId = 0;
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var variables:Map<String, String>;
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public function new(text:String) {
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this.text = text;
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}
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public function parse() {}
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function readValues() {
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// Values are either strings or string arrays.
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var obj:Map<String, Array<String>> = new Map();
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var endingBraceIndex = Util.indexOfIgnoreStringLiterals(this.text, '};', this.index);
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if (endingBraceIndex == -1)
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endingBraceIndex = this.text.length;
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var section = StringTools.trim(this.text.substring(this.index, endingBraceIndex));
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var statements = Util.splitIgnoreStringLiterals(section, ';').map(x -> StringTools.trim(x)); // Get a list of all statements
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for (statement in statements) {
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if (statement == null || statement == "")
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continue;
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var splitIndex = statement.indexOf('=');
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if (splitIndex == -1)
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continue;
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var parts = [statement.substring(0, splitIndex), statement.substring(splitIndex + 1)].map((part) -> StringTools.trim(part));
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if (parts.length != 2)
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continue;
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var key = parts[0];
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key = key.toLowerCase(); // TorqueScript is case-insensitive here
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if (StringTools.endsWith(key, ']')) {
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// The key is specifying array data, so handle that case.
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var openingIndex = key.indexOf('[');
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var arrayName = key.substring(0, openingIndex);
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var array:Array<String>;
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if (obj.exists(arrayName))
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array = obj.get(arrayName);
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else {
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array = [];
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obj.set(arrayName, array);
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} // Create a new array or use the existing one
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var index = Std.parseInt(key.substring(openingIndex + 1, -1));
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array[index] = this.resolveExpression(parts[1]);
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} else {
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obj.set(key, [this.resolveExpression(parts[1])]);
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}
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}
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this.index = endingBraceIndex + 2;
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return obj;
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}
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function readScriptObject(name:String) {
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var obj = new MissionElementScriptObject();
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obj._type = MissionElementType.ScriptObject;
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obj._name = name;
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var values = this.readValues();
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for (key => value in values) {
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if (value.length > 1) {
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for (i in 0...value.length) {
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Reflect.setField(obj, '${key}${i}', value[i]);
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}
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} else {
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Reflect.setField(obj, key, value[0]);
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}
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}
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return obj;
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}
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/** Resolves a TorqueScript rvalue expression. Currently only supports the concatenation @ operator. */
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function resolveExpression(expr:String) {
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var parts = Util.splitIgnoreStringLiterals(expr, ' @ ').map(x -> {
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x = StringTools.trim(x);
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if (StringTools.startsWith(x, '$ ') && this.variables[x] != null) {
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// Replace the variable with its value
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x = this.resolveExpression(this.variables[x]);
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} else if (StringTools.startsWith(x, ' "') && StringTools.endsWith(x, '" ')) {
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x = Util.unescape(x.substring(1, x.length - 2)); // It' s a string literal, so remove " "
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}
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return x;
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});
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return parts.join('');
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}
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/** Parses a 4-component vector from a string of four numbers. */
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public static function parseVector3(string:String) {
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if (string == null)
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return new Vector();
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var parts = string.split(' ').map((part) -> Std.parseFloat(part));
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if (parts.length < 3)
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return new Vector();
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if (parts.filter(x -> !Math.isFinite(x)).length != 0)
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return new Vector();
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return new Vector(parts[0], parts[1], parts[2]);
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}
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/** Parses a 4-component vector from a string of four numbers. */
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public static function parseVector4(string:String) {
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if (string == null)
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return new Vector();
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var parts = string.split(' ').map((part) -> Std.parseFloat(part));
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if (parts.length < 4)
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return new Vector();
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if (parts.filter(x -> !Math.isFinite(x)).length != 0)
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return new Vector();
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return new Vector(parts[0], parts[1], parts[2], parts[3]);
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}
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/** Returns a quaternion based on a rotation specified from 4 numbers. */
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public static function parseRotation(string:String) {
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if (string == null)
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return new Quat();
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var parts = string.split(' ').map((part) -> Std.parseFloat(part));
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if (parts.length < 4)
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return new Quat();
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if (parts.filter(x -> !Math.isFinite(x)).length != 0)
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return new Quat();
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var quaternion = new Quat();
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// The first 3 values represent the axis to rotate on, the last represents the negative angle in degrees.
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quaternion.initRotateAxis(parts[0], parts[1], parts[2], -parts[3] * Math.PI / 180);
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return quaternion;
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}
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/** Parses a numeric value. */
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public static function parseNumber(string:String):Float {
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if (string == null)
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return 0;
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// Strange thing here, apparently you can supply lists of numbers. In this case tho, we just take the first value.
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var val = Std.parseFloat(string.split(',')[0]);
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if (Math.isNaN(val))
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return 0;
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return val;
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}
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/** Parses a list of space-separated numbers. */
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public static function parseNumberList(string:String) {
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var parts = string.split(' ');
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var result = [];
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for (part in parts) {
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var number = Std.parseFloat(part);
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if (!Math.isNaN(number)) {
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// The number parsed without issues; simply add it to the array.
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result.push(number);
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} else {
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// Since we got NaN, we assume the number did not parse correctly and we have a case where the space between multiple numbers are missing. So "0.0000000 1.0000000" turning into "0.00000001.0000000".
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final assumedDecimalPlaces = 7; // Reasonable assumption
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// Scan the part to try to find all numbers contained in it
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while (part.length > 0) {
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var dotIndex = part.indexOf('.');
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if (dotIndex == -1)
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break;
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var section = part.substring(0, cast Math.min(dotIndex + assumedDecimalPlaces + 1, part.length));
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result.push(Std.parseFloat(section));
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part = part.substring(dotIndex + assumedDecimalPlaces + 1);
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}
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}
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}
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return result;
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}
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}
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277
src/mis/MissionElement.hx
Normal file
277
src/mis/MissionElement.hx
Normal file
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@ -0,0 +1,277 @@
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package mis;
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enum MissionElementType {
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SimGroup;
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ScriptObject;
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MissionArea;
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Sky;
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Sun;
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InteriorInstance;
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StaticShape;
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Item;
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Path;
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Marker;
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PathedInterior;
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Trigger;
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AudioProfile;
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MessageVector;
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TSStatic;
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ParticleEmitterNode;
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}
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@:publicFields
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class MissionElementBase {
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// Underscore prefix to avoid name clashes
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/** The general type of the element. */
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var _type:MissionElementType; /** The object name; specified in the () of the "constructor". */
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var _name:String;
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/** Is unique for every element in the mission file. */
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var _id:Int;
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}
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@:publicFields
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class MissionElementSimGroup extends MissionElementBase {
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var elements:Array<MissionElementBase>;
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public function new() {
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_type = MissionElementType.SimGroup;
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}
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}
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@:publicFields
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/** Stores metadata about the mission. */
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class MissionElementScriptObject extends MissionElementBase {
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var time:String;
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var name:String;
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var desc:String;
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var type:String;
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var starthelptext:String;
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var level:String;
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var artist:String;
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var goldtime:String;
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public function new() {
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_type = MissionElementType.ScriptObject;
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}
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}
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@:publicFields
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class MissionElementMissionArea extends MissionElementBase {
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var area:String;
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var flightceiling:String;
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var flightceilingRange:String;
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var locked:String;
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public function new() {
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_type = MissionElementType.MissionArea;
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}
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}
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@:publicFields
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class MissionElementSky extends MissionElementBase {
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var position:String;
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var rotation:String;
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var scale:String;
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var cloudheightper:Array<String>;
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var cloudspeed1:String;
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var cloudspeed2:String;
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var cloudspeed3:String;
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var visibledistance:String;
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var useskytextures:String;
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var renderbottomtexture:String;
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var skysolidcolor:String;
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var fogdistance:String;
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var fogcolor:String;
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var fogvolume1:String;
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var fogvolume2:String;
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var fogvolume3:String;
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var materiallist:String;
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var windvelocity:String;
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var windeffectprecipitation:String;
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var norenderbans:String;
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var fogvolumecolor1:String;
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var fogvolumecolor2:String;
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var fogvolumecolor3:String;
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public function new() {
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_type = MissionElementType.Sky;
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}
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}
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@:publicFields
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/** Stores information about the lighting direction and color. */
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class MissionElementSun extends MissionElementBase {
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var direction:String;
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var color:String;
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var ambient:String;
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public function new() {
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_type = MissionElementType.Sun;
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}
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}
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@:publicFields
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/** Represents a static (non-moving) interior instance. */
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class MissionElementInteriorInstance extends MissionElementBase {
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var position:String;
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var rotation:String;
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var scale:String;
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var interiorfile:String;
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var showterraininside:String;
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public function new() {
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_type = MissionElementType.InteriorInstance;
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}
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}
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@:publicFields
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/** Represents a static shape. */
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class MissionElementStaticShape extends MissionElementBase {
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var position:String;
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var rotation:String;
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var scale:String;
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var datablock:String;
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var resettime:Null<String>;
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var timeout:Null<String>;
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public function new() {
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_type = MissionElementType.StaticShape;
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}
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}
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@:publicFields
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/** Represents an item. */
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class MissionElementItem extends MissionElementBase {
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var position:String;
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var rotation:String;
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var scale:String;
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var datablock:String;
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var collideable:String;
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var isStatic:String;
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var rotate:String;
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var showhelponpickup:String;
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var timebonus:Null<String>;
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public function new() {
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_type = MissionElementType.Item;
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}
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}
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@:publicFields
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/** Holds the markers used for the path of a pathed interior. */
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class MissionElementPath extends MissionElementBase {
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var markers:Array<MissionElementMarker>;
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public function new() {
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_type = MissionElementType.Path;
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}
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}
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@:publicFields
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/** One keyframe in a pathed interior path. */
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class MissionElementMarker extends MissionElementBase {
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var position:String;
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var rotation:String;
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var scale:String;
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var seqnum:String;
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var mstonext:String;
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||||
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/** Either Linear; Accelerate or Spline. */
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var smoothingtype:String;
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||||
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public function new() {
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_type = MissionElementType.Marker;
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}
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}
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||||
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||||
@:publicFields
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/** Represents a moving interior. */
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class MissionElementPathedInterior extends MissionElementBase {
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var position:String;
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var rotation:String;
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||||
var scale:String;
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||||
var datablock:String;
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||||
var interiorresource:String;
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var interiorindex:String;
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var baseposition:String;
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var baserotation:String;
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var basescale:String;
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||||
// These two following values are a bit weird. See usage for more explanation.
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var initialtargetposition:String;
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var initialposition:String;
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||||
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||||
public function new() {
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||||
_type = MissionElementType.PathedInterior;
|
||||
}
|
||||
}
|
||||
|
||||
@:publicFields
|
||||
/** Represents a trigger area used for out-of-bounds and help. */
|
||||
class MissionElementTrigger extends MissionElementBase {
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var position:String;
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var rotation:String;
|
||||
var scale:String;
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||||
var datablock:String;
|
||||
|
||||
/** A list of 12 Strings representing 4 vectors. The first vector corresponds to the origin point of the cuboid; the other three are the side vectors. */
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||||
var polyhedron:String;
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||||
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var text:Null<String>;
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||||
var targettime:Null<String>;
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||||
var instant:Null<String>;
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||||
var icontinuetottime:Null<String>;
|
||||
|
||||
public function new() {
|
||||
_type = MissionElementType.Trigger;
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||||
}
|
||||
}
|
||||
|
||||
@:publicFields
|
||||
/** Represents the song choice. */
|
||||
class MissionElementAudioProfile extends MissionElementBase {
|
||||
var filename:String;
|
||||
var description:String;
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var preload:String;
|
||||
|
||||
public function new() {
|
||||
_type = MissionElementType.AudioProfile;
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}
|
||||
}
|
||||
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@:publicFields
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||||
class MissionElementMessageVector extends MissionElementBase {
|
||||
public function new() {
|
||||
_type = MissionElementType.MessageVector;
|
||||
}
|
||||
}
|
||||
|
||||
@:publicFields
|
||||
/** Represents a static; unmoving; unanimated DTS shape. They're pretty dumb; tbh. */
|
||||
class MissionElementTSStatic extends MissionElementBase {
|
||||
var position:String;
|
||||
var rotation:String;
|
||||
var scale:String;
|
||||
var shapename:String;
|
||||
|
||||
public function new() {
|
||||
_type = MissionElementType.TSStatic;
|
||||
}
|
||||
}
|
||||
|
||||
@:publicFields
|
||||
/** Represents a particle emitter. Currently unused by this port (these are really niche). */
|
||||
class MissionElementParticleEmitterNode extends MissionElementBase {
|
||||
var position:String;
|
||||
var rotation:String;
|
||||
var scale:String;
|
||||
var datablock:String;
|
||||
var emitter:String;
|
||||
var velocity:String;
|
||||
|
||||
public function new() {
|
||||
_type = MissionElementType.ParticleEmitterNode;
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Reference in a new issue