improve binary varset parsing

ParkanPlayground/Program.cs

@@ -18,8 +18,20 @@ using VarsetLib;
 // converter.Convert("E:\\ParkanUnpacked\\bases.rlb\\25_MESH_R_H_02.msh");
 
 
-var fs = new FileStream("E:\\ParkanUnpacked\\behpsp.res\\31_00 00 00 00_prof_generator.var", FileMode.Open, FileAccess.Read, FileShare.Read);
+foreach (var path in Directory.EnumerateFiles("E:\\ParkanUnpacked\\behpsp.res"))
+{
+    using var fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
 
-var file = BinaryVarsetFileParser.Parse(fs);
+    var file = BinaryVarsetFileParser.Parse(fs);
 
-_ = 5;
+    _ = 5;
+}
+
+{
+    var fs = new FileStream("E:\\ParkanUnpacked\\behpsp.res\\31_00 00 00 00_prof_generator.var", FileMode.Open,
+        FileAccess.Read, FileShare.Read);
+
+    var file = BinaryVarsetFileParser.Parse(fs);
+
+    _ = 5;
+}

VarsetLib/BinaryVarsetFileParser.cs

@@ -14,21 +14,21 @@ public class BinaryVarsetFileParser
     public static BinaryVarsetFile Parse(Stream fs)
     {
         var count = fs.ReadInt32LittleEndian();
-        
+
         var items = new List<BinaryVarsetItem>(count);
 
         Span<byte> buf4 = stackalloc byte[4];
         for (int i = 0; i < count; i++)
         {
-            var magic1 = fs.ReadInt32LittleEndian();
-            fs.ReadExactly(buf4);
-            var magic2 = new IntFloatValue(buf4);
+            var valueLength = fs.ReadInt32LittleEndian();
+
+            var valueType = (BinaryVarsetValueType)fs.ReadInt32LittleEndian();
 
             fs.ReadExactly(buf4);
             var magic3 = new IntFloatValue(buf4);
             var name = fs.ReadLengthPrefixedString();
             var string2 = fs.ReadLengthPrefixedString();
-            
+
             fs.ReadExactly(buf4);
             var magic4 = new IntFloatValue(buf4);
             fs.ReadExactly(buf4);
@@ -37,8 +37,55 @@ public class BinaryVarsetFileParser
             var magic6 = new IntFloatValue(buf4);
             fs.ReadExactly(buf4);
             var magic7 = new IntFloatValue(buf4);
+
+            if(string2.Length != 0)
+            {
+                _ = 5;
+            }
             
-            items.Add(new BinaryVarsetItem(magic1, magic2, magic3, name, string2, magic4, magic5, magic6, magic7));
+            if (valueType is BinaryVarsetValueType.Bool)
+            {
+                items.Add(new BinaryVarsetItem<bool>(
+                    valueLength,
+                    valueType,
+                    magic3.AsInt != 0,
+                    name,
+                    string2,
+                    magic4.AsInt != 0,
+                    magic5.AsInt != 0,
+                    magic6.AsInt != 0,
+                    magic7.AsInt != 0));
+            }
+            else if (valueType is BinaryVarsetValueType.Dword)
+            {
+                items.Add(new BinaryVarsetItem<uint>(
+                    valueLength,
+                    valueType,
+                    (uint)magic3.AsInt,
+                    name,
+                    string2,
+                    (uint)magic4.AsInt,
+                    (uint)magic5.AsInt,
+                    (uint)magic6.AsInt,
+                    (uint)magic7.AsInt));
+            }
+            else if (valueType is BinaryVarsetValueType.Float)
+            {
+                items.Add(new BinaryVarsetItem<float>(
+                    valueLength,
+                    valueType,
+                    magic3.AsFloat,
+                    name,
+                    string2,
+                    magic4.AsFloat,
+                    magic5.AsFloat,
+                    magic6.AsFloat,
+                    magic7.AsFloat));
+            }
+            else
+            {
+                throw new InvalidOperationException($"Unknown value type {valueType}");
+            }
         }
 
         return new BinaryVarsetFile(count, items);

VarsetLib/BinaryVarsetItem.cs

@@ -1,15 +1,34 @@
-using Common;
+using System.Diagnostics;
+using Common;
 
 namespace VarsetLib;
 
-public record BinaryVarsetItem(
-    int Magic1, // length of something
-    IntFloatValue Magic2,
-    IntFloatValue Magic3,
-    string Name,
-    string String2,
-    IntFloatValue Magic4,
-    IntFloatValue Magic5,
-    IntFloatValue Magic6,
-    IntFloatValue Magic7
-);
+[DebuggerDisplay("{DebugDisplay}")]
+public abstract record BinaryVarsetItem()
+{
+    protected abstract string DebugDisplay { get; }
+}
+
+public record BinaryVarsetItem<TValue>(
+    int ValueLength, // длина значения
+    BinaryVarsetValueType ValueType, // тип значения
+    TValue Magic3, // кажется 0 всегда
+    string Name, // имя переменной
+    string String2, // кажется всегда пусто
+    TValue Magic4,
+    TValue Magic5,
+    TValue Magic6, // минимум
+    TValue Magic7 // максимум
+) : BinaryVarsetItem
+{
+    protected override string DebugDisplay => $"{typeof(TValue).Name}, {ValueLength} bytes. magic3: {Magic3}. {Name,-30} {String2} - {Magic4} {Magic5} {Magic6} {Magic7}";
+};
+
+public enum BinaryVarsetValueType
+{
+    Int = 1,
+    Bool = 2,
+    Float = 3,
+    CharPtr = 4,
+    Dword = 5
+}