diff --git a/hscript/CustomClassHandler.hx b/hscript/CustomClassHandler.hx
index f70cece..10b399c 100644
--- a/hscript/CustomClassHandler.hx
+++ b/hscript/CustomClassHandler.hx
@@ -22,7 +22,7 @@ class CustomClassHandler implements IHScriptCustomConstructor {
 		this.extend = extend;
 		this.interfaces = interfaces;
 
-		this.cl = extend == null ? TemplateClass : Type.resolveClass('${extend}_HSX');
+		this.cl = extend == null ? CustomTemplateClass : Type.resolveClass('${extend}_HSX');
 		if(cl == null)
 			ogInterp.error(EInvalidClass(extend));
 	}
@@ -153,7 +153,7 @@ class CustomClassHandler implements IHScriptCustomConstructor {
 	}
 }
 
-class TemplateClass implements IHScriptCustomClassBehaviour implements IHScriptCustomBehaviour {
+class CustomTemplateClass implements IHScriptCustomClassBehaviour implements IHScriptCustomAccessBehaviour {
 	public var __interp:Interp;
 	public var __allowSetGet:Bool = true;
 	public var __custom__variables:Map<String, Dynamic>;
@@ -198,6 +198,45 @@ class TemplateClass implements IHScriptCustomClassBehaviour implements IHScriptC
 	}
 }
 
+
+/**
+ * This is for backwards compatibility with old hscript-improved, since some scripts use it
+**/
+@:dox(hide)
+@:keep
+class TemplateClass implements IHScriptCustomBehaviour implements IHScriptCustomAccessBehaviour {
+	public var __interp:Interp;
+	public var __allowSetGet:Bool = true;
+
+	public function hset(name:String, val:Dynamic):Dynamic {
+		var variables = __interp.variables;
+		if(__allowSetGet && variables.exists("set_" + name))
+			return __callSetter(name, val);
+		variables.set(name, val);
+		return val;
+	}
+	public function hget(name:String):Dynamic {
+		var variables = __interp.variables;
+		if(__allowSetGet && variables.exists("get_" + name))
+			return __callGetter(name);
+		return variables.get(name);
+	}
+
+	public function __callGetter(name:String):Dynamic {
+		__allowSetGet = false;
+		var v = __interp.variables.get("get_" + name)();
+		__allowSetGet = true;
+		return v;
+	}
+
+	public function __callSetter(name:String, val:Dynamic):Dynamic {
+		__allowSetGet = false;
+		var v = __interp.variables.get("set_" + name)(val);
+		__allowSetGet = true;
+		return v;
+	}
+}
+
 final class StaticHandler {
 	public function new() {}
 }
\ No newline at end of file
diff --git a/hscript/IHScriptCustomAccessBehaviour.hx b/hscript/IHScriptCustomAccessBehaviour.hx
new file mode 100644
index 0000000..12e982a
--- /dev/null
+++ b/hscript/IHScriptCustomAccessBehaviour.hx
@@ -0,0 +1,11 @@
+package hscript;
+
+interface IHScriptCustomAccessBehaviour {
+	var __allowSetGet:Bool;
+
+	public function hset(name:String, val:Dynamic):Dynamic;
+	public function hget(name:String):Dynamic;
+
+	public function __callGetter(name:String):Dynamic;
+	public function __callSetter(name:String, val:Dynamic):Dynamic;
+}
\ No newline at end of file
diff --git a/hscript/Interp.hx b/hscript/Interp.hx
index 23e61a5..e97eb3f 100644
--- a/hscript/Interp.hx
+++ b/hscript/Interp.hx
@@ -48,6 +48,7 @@ enum abstract ScriptObjectType(UInt8) {
 	var SStaticClass;
 	var SCustomClass; // custom classes
 	var SBehaviourClass; // hget and hset
+	var SAccessBehaviourObject; // hget and hset with __allowSetGet
 	var SNull;
 }
 
@@ -79,6 +80,8 @@ class Interp {
 					if(classFields != null)
 						__instanceFields = __instanceFields.concat(classFields);
 					_scriptObjectType = SCustomClass;
+				} else if(v is IHScriptCustomAccessBehaviour) {
+					_scriptObjectType = SAccessBehaviourObject;
 				} else if(v is IHScriptCustomBehaviour) {
 					_scriptObjectType = SBehaviourClass;
 				} else {
@@ -109,6 +112,7 @@ class Interp {
 	public var publicVariables:Map<String, Dynamic>;
 	public var staticVariables:Map<String, Dynamic>;
 
+	// warning can be null
 	public var locals:Map<String, DeclaredVar>;
 	var binops:Map<String, Expr->Expr->Dynamic>;
 
@@ -240,7 +244,8 @@ class Interp {
 		var v = expr(e2);
 		switch (Tools.expr(e1)) {
 			case EIdent(id):
-				if (!locals.exists(id)) {
+				var l = locals.get(id);
+				if (l == null) {
 					if (_hasScriptObject && !varExists(id)) {
 						var instanceHasField = __instanceFields.contains(id);
 
@@ -256,7 +261,17 @@ class Interp {
 								return res;
 							}
 							return obj.hset(id, v);
-						} else if (_scriptObjectType == SBehaviourClass) {
+						} else if(_scriptObjectType == SAccessBehaviourObject) {
+							var obj:IHScriptCustomAccessBehaviour = cast scriptObject;
+							if(isBypassAccessor) {
+								obj.__allowSetGet = false;
+								var res = obj.hset(id, v);
+								obj.__allowSetGet = true;
+								return res;
+							}
+							return obj.hset(id, v);
+						}
+						else if (_scriptObjectType == SBehaviourClass) {
 							var obj:IHScriptCustomBehaviour = cast scriptObject;
 							return obj.hset(id, v);
 						}
@@ -278,7 +293,6 @@ class Interp {
 						setVar(id, v);
 					}
 				} else {
-					var l = locals.get(id);
 					l.r = v;
 					if (l.depth == 0) {
 						setVar(id, v);
@@ -313,8 +327,9 @@ class Interp {
 		var v;
 		switch (Tools.expr(e1)) {
 			case EIdent(id):
+				var l = locals.get(id);
 				v = fop(expr(e1), expr(e2));
-				if (!locals.exists(id)) {
+				if (l == null) {
 					if(_hasScriptObject && !varExists(id)) {
 						var instanceHasField = __instanceFields.contains(id);
 
@@ -330,7 +345,17 @@ class Interp {
 								return res;
 							}
 							return obj.hset(id, v);
-						} else if (_scriptObjectType == SBehaviourClass) {
+						} else if(_scriptObjectType == SAccessBehaviourObject) {
+							var obj:IHScriptCustomAccessBehaviour = cast scriptObject;
+							if(isBypassAccessor) {
+								obj.__allowSetGet = false;
+								var res = obj.hset(id, v);
+								obj.__allowSetGet = true;
+								return res;
+							}
+							return obj.hset(id, v);
+						}
+						else if (_scriptObjectType == SBehaviourClass) {
 							var obj:IHScriptCustomBehaviour = cast scriptObject;
 							return obj.hset(id, v);
 						}
@@ -389,8 +414,8 @@ class Interp {
 		#end
 		switch (e) {
 			case EIdent(id):
-				if(locals.exists(id)) {
-					var l = locals.get(id);
+				var l = locals.get(id);
+				if(l != null) {
 					var v:Dynamic = l.r;
 					if (prefix) {
 						v += delta;
@@ -452,6 +477,8 @@ class Interp {
 		return exprReturn(expr);
 	}
 
+	public var printCallStack:Bool = true;
+
 	function exprReturn(e):Dynamic {
 		try {
 			try {
@@ -468,7 +495,10 @@ class Interp {
 						return v;
 				}
 			} catch(e) {
-				error(ECustom('${e.toString()}'));
+				if(printCallStack)
+					error(ECustom('${e.toString()}\n${CallStack.toString(CallStack.exceptionStack(true))}'));
+				else
+					error(ECustom(e.toString()));
 				return null;
 			}
 		} catch(e:Error) {
@@ -525,8 +555,12 @@ class Interp {
 		if (id == null)
 			return null;
 		id = StringTools.trim(id);
-		if (locals.exists(id))
-			return locals.get(id).r;
+
+		if (locals.exists(id)) {
+			var l = locals.get(id);
+			if(l != null)
+				return l.r;
+		}
 
 		if(variables.exists(id))
 			return variables.get(id);
@@ -555,6 +589,15 @@ class Interp {
 					return res;
 				}
 				return obj.hget(id);
+			} else if(_scriptObjectType == SAccessBehaviourObject) {
+				var obj:IHScriptCustomAccessBehaviour = cast scriptObject;
+				if(isBypassAccessor) {
+					obj.__allowSetGet = false;
+					var res = obj.hget(id);
+					obj.__allowSetGet = true;
+					return res;
+				}
+				return obj.hget(id);
 			} else if(_scriptObjectType == SBehaviourClass) {
 				var obj:IHScriptCustomBehaviour = cast scriptObject;
 				return obj.hget(id);
@@ -1171,6 +1214,17 @@ class Interp {
 			return obj.hget(f);
 		}
 
+		if (o is IHScriptCustomAccessBehaviour) {
+			var obj:IHScriptCustomAccessBehaviour = cast o;
+			if(isBypassAccessor) {
+				obj.__allowSetGet = false;
+				var res = obj.hget(f);
+				obj.__allowSetGet = true;
+				return res;
+			}
+			return obj.hget(f);
+		}
+
 		if (o is IHScriptCustomBehaviour) {
 			var obj:IHScriptCustomBehaviour = cast o;
 			return obj.hget(f);
@@ -1209,6 +1263,17 @@ class Interp {
 			return obj.hset(f, v);
 		}
 
+		if (o is IHScriptCustomAccessBehaviour) {
+			var obj:IHScriptCustomAccessBehaviour = cast o;
+			if(isBypassAccessor) {
+				obj.__allowSetGet = false;
+				var res = obj.hset(f, v);
+				obj.__allowSetGet = true;
+				return res;
+			}
+			return obj.hset(f, v);
+		}
+
 		if (o is IHScriptCustomBehaviour) {
 			var obj:IHScriptCustomBehaviour = cast o;
 			return obj.hset(f, v);
diff --git a/hscript/macros/ClassExtendMacro.hx b/hscript/macros/ClassExtendMacro.hx
index 9c7ec92..18e5c59 100644
--- a/hscript/macros/ClassExtendMacro.hx
+++ b/hscript/macros/ClassExtendMacro.hx
@@ -60,6 +60,7 @@ class ClassExtendMacro {
 			if(key == "away3d.tools.commands.SphereMaker") return fields; // Error: Unknown identifier
 			if(key == "away3d.tools.commands.Weld") return fields; // Error: Unknown identifier
 			if(fkey == "hscript.CustomClassHandler.TemplateClass") return fields; // Error: Redefined
+			if(fkey == "hscript.CustomClassHandler.CustomTemplateClass") return fields; // Error: Redefined
 			if(key == "sys.thread.EventLoop") return fields; // Error: cant override force inlined
 			if(Config.DISALLOW_CUSTOM_CLASSES.contains(cl.module) || Config.DISALLOW_CUSTOM_CLASSES.contains(fkey)) return fields;
 			if(cl.module.contains("_")) return fields; // Weird issue, sorry
@@ -330,7 +331,7 @@ class ClassExtendMacro {
 				pack: cl.pack.copy(),
 				name: cl.name
 			}, [
-				{name: "IHScriptCustomBehaviour", pack: ["hscript"]},
+				{name: "IHScriptCustomAccessBehaviour", pack: ["hscript"]},
 				{name: "IHScriptCustomClassBehaviour", pack: ["hscript"]}
 			], false, true, false);
 			shadowClass.name = '${cl.name}$CLASS_SUFFIX';