alex-frida/agent/il2cpp/struct/Il2CppImage.js

import {NativeStruct} from "./NativeStruct";
import {il2cppApi} from "../il2cppApi";
import {getStructOffset, StructItem} from "./structItem";
import {FromTypeDefinition_Addr, soName, UNITY_VER, UnityVer} from "../../config";
import {Il2CppClass} from "./Il2CppClass";
import {log} from "../../logger";

let il2CppImage_struct = new Array();
il2CppImage_struct.push(new StructItem("name", Process.pointerSize));
il2CppImage_struct.push(new StructItem("nameNoExt", Process.pointerSize));

    il2CppImage_struct.push(new StructItem("assemblyIndex", Process.pointerSize));

il2CppImage_struct.push(new StructItem("typeStart", 4));
il2CppImage_struct.push(new StructItem("typeCount", 4));
il2CppImage_struct.push(new StructItem("exportedTypeStart", 4));

export class Il2CppImage extends NativeStruct {


    name() {
        return il2cppApi.il2cpp_image_get_name(this).readCString();
    }

    nameNoExt() {
        let name1 = this.name();
        return name1.replace(".dll", "");
    }

    typeStart() {
        return this.get("typeStart").readPointer().toInt32();
    }

    typeCount() {
       return il2cppApi.il2cpp_image_get_class_count(this);
      // return  this.getOffsetTypeCount();
    }
    getOffsetTypeCount(){

        if (UNITY_VER===UnityVer.V_2020){
            return this.add(24).readPointer().toInt32();
        }else {
            return this.get("typeCount").readPointer().toInt32();
        }

    }

    getClass(index) {

        return il2cppApi.il2cpp_image_get_class(this, index);

    }

    get(params) {
        return this.add(getStructOffset(il2CppImage_struct, params));
    }
}