internal ZScriptActorStructure(ZDTextParser zdparser, DecorateCategoryInfo catinfo, string _classname, string _replacesname, string _parentname)
        {
            this.catinfo = catinfo; //mxd

            parser           = (ZScriptParser)zdparser;
            stream           = parser.DataStream;
            tokenizer        = new ZScriptTokenizer(parser.DataReader);
            parser.tokenizer = tokenizer;

            classname    = _classname;
            replaceclass = _replacesname;
            //baseclass = parser.GetArchivedActorByName(_parentname); // this is not guaranteed to work here

            mixins = new List <string>();

            ZScriptToken cls_open = tokenizer.ExpectToken(ZScriptTokenType.OpenCurly);

            if (cls_open == null || !cls_open.IsValid)
            {
                parser.ReportError("Expected {, got " + ((Object)cls_open ?? "<null>").ToString());
                return;
            }

            // this dict holds temporary user settings per field (function, etc)
            Dictionary <string, List <string> > var_props = new Dictionary <string, List <string> >();

            // in the class definition, we can have the following:
            // - Defaults block
            // - States block
            // - method signature: [native] [action] <type [, type [...]]> <name> (<arguments>);
            // - method: <method signature (except native)> <block>
            // - field declaration: [native] <type> <name>;
            // - enum definition: enum <name> <block>;
            // we are skipping everything, except Defaults and States.
            while (true)
            {
                var_props.Clear();
                while (true)
                {
                    ZScriptToken tt = tokenizer.ExpectToken(ZScriptTokenType.Whitespace, ZScriptTokenType.BlockComment, ZScriptTokenType.LineComment, ZScriptTokenType.Newline);
                    if (tt == null || !tt.IsValid)
                    {
                        break;
                    }

                    if (tt.Type == ZScriptTokenType.LineComment)
                    {
                        ParseGZDBComment(var_props, tt.Value);
                    }
                }

                //tokenizer.SkipWhitespace();
                long         ocpos = stream.Position;
                ZScriptToken token = tokenizer.ExpectToken(ZScriptTokenType.Identifier, ZScriptTokenType.CloseCurly);
                if (token == null || !token.IsValid)
                {
                    parser.ReportError("Expected identifier, got " + ((Object)cls_open ?? "<null>").ToString());
                    return;
                }
                if (token.Type == ZScriptTokenType.CloseCurly) // end of class
                {
                    break;
                }

                string b_lower = token.Value.ToLowerInvariant();
                switch (b_lower)
                {
                case "default":
                    if (!ParseDefaultBlock())
                    {
                        return;
                    }
                    continue;

                case "states":
                    if (!ParseStatesBlock())
                    {
                        return;
                    }
                    continue;

                case "enum":
                    if (!parser.ParseEnum())
                    {
                        return;
                    }
                    continue;

                case "const":
                    if (!parser.ParseConst())
                    {
                        return;
                    }
                    continue;

                // apparently we can have a struct inside a class, but not another class.
                case "struct":
                    if (!parser.ParseClassOrStruct(true, false, false, null))
                    {
                        return;
                    }
                    continue;

                // new properties syntax
                case "property":
                    if (!ParseProperty())
                    {
                        return;
                    }
                    continue;

                // new flags syntax
                case "flagdef":
                    if (!ParseFlagdef())
                    {
                        return;
                    }
                    continue;

                // mixins
                case "mixin":
                    if (!ParseMixin())
                    {
                        return;
                    }
                    continue;

                default:
                    stream.Position = ocpos;
                    break;
                }

                // try to read in a variable/method.
                bool                bmethod            = false;
                string[]            availablemodifiers = new string[] { "static", "native", "action", "readonly", "protected", "private", "virtual", "override", "meta", "transient", "deprecated", "final", "play", "ui", "clearscope", "virtualscope", "version", "const" };
                string[]            versionedmodifiers = new string[] { "version", "deprecated" };
                string[]            methodmodifiers    = new string[] { "action", "virtual", "override", "final" };
                HashSet <string>    modifiers          = new HashSet <string>();
                List <string>       types         = new List <string>();
                List <List <int> >  typearraylens = new List <List <int> >();
                List <string>       names         = new List <string>();
                List <List <int> >  arraylens     = new List <List <int> >();
                List <ZScriptToken> args          = null; // this is for the future
                //List<ZScriptToken> body = null;

                while (true)
                {
                    tokenizer.SkipWhitespace();
                    long cpos = stream.Position;
                    token = tokenizer.ExpectToken(ZScriptTokenType.Identifier);
                    if (token == null || !token.IsValid)
                    {
                        parser.ReportError("Expected modifier or name, got " + ((Object)cls_open ?? "<null>").ToString());
                        return;
                    }

                    b_lower = token.Value.ToLowerInvariant();
                    if (availablemodifiers.Contains(b_lower))
                    {
                        if (modifiers.Contains(b_lower))
                        {
                            parser.ReportError("Field/method modifier '" + b_lower + "' was specified twice");
                            return;
                        }

                        if (methodmodifiers.Contains(b_lower))
                        {
                            bmethod = true;
                        }

                        if (versionedmodifiers.Contains(b_lower))
                        {
                            string version = ParseVersion(b_lower == "version"); // deprecated doesn't require version string for historical reasons. (compatibility with old gzdoom.pk3)
                            if (version == null && b_lower == "version")
                            {
                                return;
                            }
                        }

                        modifiers.Add(b_lower);
                    }
                    else
                    {
                        stream.Position = cpos;
                        break;
                    }
                }

                // read in the type name(s)
                // type name can be:
                //  - identifier
                //  - identifier<identifier>
                while (true)
                {
                    tokenizer.SkipWhitespace();
                    string typename = ParseTypeName();
                    if (typename == null)
                    {
                        return;
                    }

                    types.Add(typename.ToLowerInvariant());
                    typearraylens.Add(null);
                    long cpos = stream.Position;
                    tokenizer.SkipWhitespace();
                    token = tokenizer.ExpectToken(ZScriptTokenType.Comma, ZScriptTokenType.Identifier, ZScriptTokenType.OpenSquare);

                    if (token != null && !token.IsValid)
                    {
                        parser.ReportError("Expected comma, identifier or array dimensions, got " + ((Object)token ?? "<null>").ToString());
                        return;
                    }

                    if (token == null || token.Type != ZScriptTokenType.Comma)
                    {
                        stream.Position = cpos;
                        if (token.Type == ZScriptTokenType.OpenSquare)
                        {
                            List <int> typelens = ParseArrayDimensions();
                            if (typelens == null) // error
                            {
                                return;
                            }
                            typearraylens[typearraylens.Count - 1] = typelens;
                        }
                        break;
                    }
                }

                while (true)
                {
                    string     name = null;
                    List <int> lens = null;

                    // read in the method/field name
                    tokenizer.SkipWhitespace();
                    token = tokenizer.ExpectToken(ZScriptTokenType.Identifier);
                    if (token == null || !token.IsValid)
                    {
                        parser.ReportError("Expected field/method name, got " + ((Object)token ?? "<null>").ToString());
                        return;
                    }
                    name = token.Value.ToLowerInvariant();

                    // check the token. if it's a (, then it's a method. if it's a ;, then it's a field, if it's a [ it's an array field.
                    // if it's a field and bmethod=true, report error.
                    tokenizer.SkipWhitespace();
                    long cpos = stream.Position;
                    token = tokenizer.ExpectToken(ZScriptTokenType.Comma, ZScriptTokenType.OpenParen, ZScriptTokenType.OpenSquare, ZScriptTokenType.Semicolon);
                    if (token == null || !token.IsValid)
                    {
                        parser.ReportError("Expected comma, ;, [, or argument list, got " + ((Object)token ?? "<null>").ToString());
                        return;
                    }

                    if (token.Type == ZScriptTokenType.OpenParen)
                    {
                        // if we have multiple names
                        if (names.Count > 0)
                        {
                            parser.ReportError("Cannot have multiple names in a method");
                            return;
                        }

                        bmethod = true;
                        // now, I could parse this properly, but it won't be used anyway, so I'll do it as a fake expression.
                        args  = parser.ParseExpression(true);
                        token = tokenizer.ExpectToken(ZScriptTokenType.CloseParen);
                        if (token == null || !token.IsValid)
                        {
                            parser.ReportError("Expected ), got " + ((Object)token ?? "<null>").ToString());
                            return;
                        }

                        // also get the body block, if any.
                        tokenizer.SkipWhitespace();
                        cpos  = stream.Position;
                        token = tokenizer.ExpectToken(ZScriptTokenType.Semicolon, ZScriptTokenType.OpenCurly, ZScriptTokenType.Identifier);
                        if (token == null || !token.IsValid)
                        {
                            parser.ReportError("Expected 'const', ; or {, got " + ((Object)token ?? "<null>").ToString());
                            return;
                        }

                        //
                        if (token.Type == ZScriptTokenType.Identifier)
                        {
                            if (token.Value.ToLowerInvariant() != "const")
                            {
                                parser.ReportError("Expected 'const', got " + ((Object)token ?? "<null>").ToString());
                                return;
                            }

                            tokenizer.SkipWhitespace();
                            cpos  = stream.Position;
                            token = tokenizer.ExpectToken(ZScriptTokenType.Semicolon, ZScriptTokenType.OpenCurly);
                            if (token == null || !token.IsValid)
                            {
                                parser.ReportError("Expected ; or {, got " + ((Object)token ?? "<null>").ToString());
                                return;
                            }
                        }

                        if (token.Type == ZScriptTokenType.OpenCurly)
                        {
                            stream.Position = cpos;
                            parser.SkipBlock();
                            //body = parser.ParseBlock(false);
                        }

                        break; // end method parsing
                    }
                    else
                    {
                        if (bmethod)
                        {
                            parser.ReportError("Cannot have virtual, override or action fields");
                            return;
                        }

                        // array
                        if (token.Type == ZScriptTokenType.OpenSquare)
                        {
                            stream.Position = cpos;
                            lens            = ParseArrayDimensions();
                            if (lens == null) // error
                            {
                                return;
                            }


                            tokenizer.SkipWhitespace();
                            ZScriptTokenType[] expectTokens;
                            if (modifiers.Contains("static"))
                            {
                                expectTokens = new ZScriptTokenType[] { ZScriptTokenType.Semicolon, ZScriptTokenType.Comma, ZScriptTokenType.OpAssign }
                            }
                            ;
                            else
                            {
                                expectTokens = new ZScriptTokenType[] { ZScriptTokenType.Semicolon, ZScriptTokenType.Comma }
                            };
                            token = tokenizer.ExpectToken(expectTokens);
                            if (token == null || !token.IsValid)
                            {
                                parser.ReportError("Expected ;, =, or comma, got " + ((Object)token ?? "<null>").ToString());
                                return;
                            }

                            // "static int A[] = {1, 2, 3};"
                            if (token.Type == ZScriptTokenType.OpAssign)
                            {
                                // read in array data
                                tokenizer.SkipWhitespace();
                                parser.SkipBlock(false);
                                tokenizer.SkipWhitespace();
                                token = tokenizer.ExpectToken(ZScriptTokenType.Semicolon, ZScriptTokenType.Comma);
                                if (token == null || !token.IsValid)
                                {
                                    parser.ReportError("Expected ; or comma, got " + ((Object)token ?? "<null>").ToString());
                                    return;
                                }
                            }
                        }
                    }

                    names.Add(name);
                    arraylens.Add(lens);

                    if (token.Type != ZScriptTokenType.Comma) // next name
                    {
                        break;
                    }
                }

                // validate modifiers here.
                // protected and private cannot be combined.
                if (bmethod)
                {
                    if (modifiers.Contains("protected") && modifiers.Contains("private"))
                    {
                        parser.ReportError("Cannot have protected and private on the same method");
                        return;
                    }
                    // virtual and override cannot be combined.
                    int cvirtual = modifiers.Contains("virtual") ? 1 : 0;
                    cvirtual += modifiers.Contains("override") ? 1 : 0;
                    cvirtual += modifiers.Contains("final") ? 1 : 0;
                    if (cvirtual > 1)
                    {
                        parser.ReportError("Cannot have virtual, override and final on the same method");
                        return;
                    }
                    // meta (what the f**k is that?) probably cant be on a method
                    if (modifiers.Contains("meta"))
                    {
                        parser.ReportError("Cannot have meta on a method");
                        return;
                    }
                }

                // finished method or field parsing.

                /*for (int i = 0; i < names.Count; i++)
                 * {
                 *  string name = names[i];
                 *  int arraylen = arraylens[i];
                 *
                 *  string _args = "";
                 *  if (args != null) _args = " (" + ZScriptTokenizer.TokensToString(args) + ")";
                 *  else if (arraylen != -1) _args = " [" + arraylen.ToString() + "]";
                 *  parser.LogWarning(string.Format("{0} {1} {2}{3}", string.Join(" ", modifiers.ToArray()), string.Join(", ", types.ToArray()), name, _args));
                 * }*/

                // update 08.02.17: add user variables from ZScript actors.
                if (args == null && types.Count == 1) // it's a field
                {
                    // we support:
                    //  - float
                    //  - int
                    //  - double
                    //  - bool
                    string        type = types[0];
                    UniversalType utype;
                    object        udefault = null;
                    switch (type)
                    {
                    case "int":
                    case "int8":
                    case "int16":
                    case "uint":
                    case "uint8":
                    case "uint16":
                        utype = UniversalType.Integer;
                        break;

                    case "float":
                    case "double":
                        utype = UniversalType.Float;
                        break;

                    case "bool":
                        utype = UniversalType.Boolean;
                        break;

                    case "string":
                        utype = UniversalType.String;
                        break;

                    // todo test if class names and colors will work
                    default:
                        continue;     // go read next field
                    }

                    UniversalType utype_reinterpret = utype;
                    if (var_props.ContainsKey("$userreinterpret"))
                    {
                        string sp = var_props["$userreinterpret"][0].Trim().ToLowerInvariant();
                        switch (sp)
                        {
                        case "color":
                            if (utype != UniversalType.Integer)
                            {
                                parser.LogWarning("Cannot use $UserReinterpret Color with non-integers");
                                break;
                            }
                            utype_reinterpret = UniversalType.Color;
                            break;
                        }
                    }

                    if (var_props.ContainsKey("$userdefaultvalue"))
                    {
                        string sp = var_props["$userdefaultvalue"][0];
                        switch (utype)
                        {
                        case UniversalType.String:
                            if (sp[0] == '"' && sp[sp.Length - 1] == '"')
                            {
                                sp = sp.Substring(1, sp.Length - 2);
                            }
                            udefault = sp;
                            break;

                        case UniversalType.Float:
                            double d;
                            if (!double.TryParse(sp, out d))
                            {
                                parser.LogWarning("Incorrect float default from string \"" + sp + "\"");
                                break;
                            }
                            udefault = d;
                            break;

                        case UniversalType.Integer:
                            int i;
                            if (!int.TryParse(sp, out i))
                            {
                                if (utype_reinterpret == UniversalType.Color)
                                {
                                    sp = sp.ToLowerInvariant();
                                    Rendering.PixelColor pc;
                                    if (!ZDTextParser.GetColorFromString(sp, out pc))
                                    {
                                        parser.LogWarning("Incorrect color default from string \"" + sp + "\"");
                                        break;
                                    }
                                    udefault = pc.ToInt() & 0xFFFFFF;
                                    break;
                                }
                            }
                            udefault = i;
                            break;

                        case UniversalType.Boolean:
                            sp = sp.ToLowerInvariant();
                            if (sp == "true")
                            {
                                udefault = true;
                            }
                            else if (sp == "false")
                            {
                                udefault = false;
                            }
                            else
                            {
                                parser.LogWarning("Incorrect boolean default from string \"" + sp + "\"");
                            }
                            break;
                        }
                    }

                    for (int i = 0; i < names.Count; i++)
                    {
                        string name = names[i];
                        if (arraylens[i] != null || typearraylens[0] != null)
                        {
                            continue; // we don't process arrays
                        }
                        if (!name.StartsWith("user_"))
                        {
                            continue; // we don't process non-user_ fields (because ZScript won't pick them up anyway)
                        }
                        // parent class is not guaranteed to be loaded already, so handle collisions later
                        uservars.Add(name, utype_reinterpret);
                        if (udefault != null)
                        {
                            uservar_defaults.Add(name, udefault);
                        }
                    }
                }
            }

            // parsing done, process thing arguments
            ParseCustomArguments();
        }
    }
Exemplo n.º 2
0
        }                                                 //mxd

        #endregion

        #region ================== Constructor / Disposer

        // Constructor
        internal PatchStructure(TexturesParser parser)
        {
            // Initialize
            alpha       = 1.0f;
            renderstyle = TexturePathRenderStyle.COPY;           //mxd
            blendstyle  = TexturePathBlendStyle.NONE;            //mxd

            // There should be 3 tokens separated by 2 commas now:
            // Name, Width, Height

            // First token is the class name
            parser.SkipWhitespace(true);
            name = parser.StripTokenQuotes(parser.ReadToken(false));             //mxd. Don't skip newline
            if (string.IsNullOrEmpty(name))
            {
                parser.ReportError("Expected patch name");
                return;
            }

            //mxd. Skip what must be skipped
            skip = (name.ToUpperInvariant() == IGNORE_SPRITE);

            //mxd
            name = name.Replace(Path.AltDirectorySeparatorChar, Path.DirectorySeparatorChar);

            // Now we should find a comma
            if (!parser.NextTokenIs(","))
            {
                return;                                      //mxd
            }
            // Next is the patch width
            parser.SkipWhitespace(true);
            string tokenstr = parser.ReadToken();

            if (string.IsNullOrEmpty(tokenstr) || !int.TryParse(tokenstr, NumberStyles.Integer, CultureInfo.InvariantCulture, out offsetx))
            {
                parser.ReportError("Expected offset in pixels");
                return;
            }

            // Now we should find a comma again
            if (!parser.NextTokenIs(","))
            {
                return;                                      //mxd
            }
            // Next is the patch height
            parser.SkipWhitespace(true);
            tokenstr = parser.ReadToken();
            if (string.IsNullOrEmpty(tokenstr) || !int.TryParse(tokenstr, NumberStyles.Integer, CultureInfo.InvariantCulture, out offsety))
            {
                parser.ReportError("Expected offset in pixels");
                return;
            }

            // Next token is the beginning of the texture scope. If not, then the patch info ends here.
            if (!parser.NextTokenIs("{", false))
            {
                return;                                             //mxd
            }
            // Now parse the contents of texture structure
            bool done = false;             //mxd

            while (!done && parser.SkipWhitespace(true))
            {
                string token = parser.ReadToken();
                token = token.ToLowerInvariant();

                switch (token)
                {
                case "flipx":
                    flipx = true;
                    break;

                case "flipy":
                    flipy = true;
                    break;

                case "alpha":
                    if (!ReadTokenFloat(parser, token, out alpha))
                    {
                        return;
                    }
                    alpha = General.Clamp(alpha, 0.0f, 1.0f);
                    break;

                case "rotate":
                    if (!ReadTokenInt(parser, token, out rotation))
                    {
                        return;
                    }
                    rotation = rotation % 360;                             //Coalesce multiples
                    if (rotation < 0)
                    {
                        rotation += 360;                                          //Force positive
                    }
                    if (rotation != 0 && rotation != 90 && rotation != 180 && rotation != 270)
                    {
                        parser.LogWarning("Unsupported rotation (" + rotation + ") in patch \"" + name + "\"");
                        rotation = 0;
                    }
                    break;

                case "style":                         //mxd
                    string s;
                    if (!ReadTokenString(parser, token, out s))
                    {
                        return;
                    }
                    int index = Array.IndexOf(renderStyles, s.ToLowerInvariant());
                    renderstyle = index == -1 ? TexturePathRenderStyle.COPY : (TexturePathRenderStyle)index;
                    break;

                case "blend":                         //mxd
                    parser.SkipWhitespace(false);
                    PixelColor color = new PixelColor();

                    // Blend <string color>[,<float alpha>] block?
                    token = parser.ReadToken(false);
                    if (!parser.ReadByte(token, ref color.r))
                    {
                        if (!ZDTextParser.GetColorFromString(token, ref color))
                        {
                            parser.ReportError("Unsupported patch blend definition");
                            return;
                        }
                    }
                    // That's Blend <int r>,<int g>,<int b>[,<float alpha>] block
                    else
                    {
                        if (!parser.SkipWhitespace(false) ||
                            !parser.NextTokenIs(",", false) || !parser.SkipWhitespace(false) || !parser.ReadByte(ref color.g) ||
                            !parser.NextTokenIs(",", false) || !parser.SkipWhitespace(false) || !parser.ReadByte(ref color.b))
                        {
                            parser.ReportError("Unsupported patch blend definition");
                            return;
                        }
                    }

                    // Alpha block?
                    float blendalpha = -1f;
                    parser.SkipWhitespace(false);
                    if (parser.NextTokenIs(",", false))
                    {
                        parser.SkipWhitespace(false);
                        if (!ReadTokenFloat(parser, token, out blendalpha))
                        {
                            parser.ReportError("Unsupported patch blend alpha value");
                            return;
                        }
                    }

                    // Blend may never be 0 when using the Tint effect
                    if (blendalpha > 0.0f)
                    {
                        color.a    = (byte)General.Clamp((int)(blendalpha * 255), 1, 254);
                        blendstyle = TexturePathBlendStyle.TINT;
                    }
                    else if (blendalpha < 0.0f)
                    {
                        color.a    = 255;
                        blendstyle = TexturePathBlendStyle.BLEND;
                    }
                    else
                    {
                        // Ignore Blend when alpha == 0
                        parser.LogWarning("Blend with zero alpha will be ignored by ZDoom");
                        break;
                    }

                    // Store the color
                    blendcolor = color;
                    break;

                case "}":
                    // Patch scope ends here,
                    // break out of this parse loop
                    done = true;
                    break;
                }
            }
        }