Separate project from Il2Cpp2Proto

2017-03-17 11:29:54 +01:00
parent 75fb3d6c67
commit 9ced0b6c56
21 changed files with 1588 additions and 1 deletions
--- a/Il2CppInspector/Il2CppReader.cs
+++ b/Il2CppInspector/Il2CppReader.cs
@@ -0,0 +1,68 @@
+/*
+    Copyright 2017 Perfare - https://github.com/Perfare/Il2CppDumper
+    Copyright 2017 Katy Coe - http://www.hearthcode.org - http://www.djkaty.com
+
+    All rights reserved.
+*/
+
+namespace Il2CppInspector
+{
+    public abstract class Il2CppReader
+    {
+        public IFileFormatReader Image { get; }
+
+        protected Il2CppReader(IFileFormatReader stream) {
+            Image = stream;
+        }
+
+        protected Il2CppReader(IFileFormatReader stream, uint codeRegistration, uint metadataRegistration) {
+            Image = stream;
+            Configure(codeRegistration, metadataRegistration);
+        }
+
+        public Il2CppCodeRegistration PtrCodeRegistration { get; protected set; }
+        public Il2CppMetadataRegistration PtrMetadataRegistration { get; protected set; }
+
+        // Architecture-specific search function
+        protected abstract (uint, uint) Search(uint loc, uint globalOffset);
+
+        // Check all search locations
+        public bool Load() {
+            var addrs = Image.GetSearchLocations();
+            foreach (var loc in addrs)
+                if (loc != 0) {
+                    var (code, metadata) = Search(loc, Image.GlobalOffset);
+                    if (code != 0) {
+                        Configure(code, metadata);
+                        return true;
+                    }
+                }
+            return false;
+        }
+
+        private void Configure(uint codeRegistration, uint metadataRegistration) {
+            PtrCodeRegistration = Image.ReadMappedObject<Il2CppCodeRegistration>(codeRegistration);
+            PtrMetadataRegistration = Image.ReadMappedObject<Il2CppMetadataRegistration>(metadataRegistration);
+            PtrCodeRegistration.methodPointers = Image.ReadMappedArray<uint>(PtrCodeRegistration.pmethodPointers,
+                (int) PtrCodeRegistration.methodPointersCount);
+            PtrMetadataRegistration.fieldOffsets = Image.ReadMappedArray<int>(PtrMetadataRegistration.pfieldOffsets,
+                PtrMetadataRegistration.fieldOffsetsCount);
+            var types = Image.ReadMappedArray<uint>(PtrMetadataRegistration.ptypes, PtrMetadataRegistration.typesCount);
+            PtrMetadataRegistration.types = new Il2CppType[PtrMetadataRegistration.typesCount];
+            for (int i = 0; i < PtrMetadataRegistration.typesCount; ++i) {
+                PtrMetadataRegistration.types[i] = Image.ReadMappedObject<Il2CppType>(types[i]);
+                PtrMetadataRegistration.types[i].Init();
+            }
+        }
+
+        public Il2CppType GetTypeFromTypeIndex(int idx) {
+            return PtrMetadataRegistration.types[idx];
+        }
+
+        public int GetFieldOffsetFromIndex(int typeIndex, int fieldIndexInType) {
+            var ptr = PtrMetadataRegistration.fieldOffsets[typeIndex];
+            Image.Stream.Position = Image.MapVATR((uint) ptr) + 4 * fieldIndexInType;
+            return Image.Stream.ReadInt32();
+        }
+    }
+}