OnReload event added

Author: igor725

README.md

@@ -35,7 +35,7 @@ RedLua uses the [**Easylogging++**](https://github.com/amrayn/easyloggingpp#conf
 
 ## Scripting
 
-RedLua searches for scripts in the `<Your game directory>\RedLua\Scripts\`. Each script located in this folder will be loaded automatically (If the `Autorun feature` is enabled). Every script should return a `table` (can be empty) with functions `OnLoad`, `OnTick`, `OnStop`. Almost every function of the RDR2's RAGE is described [here](https://alloc8or.re/rdr3/nativedb/) and [here](https://www.rdr2mods.com/nativedb/index/builtin/).
+RedLua searches for scripts in the `<Your game directory>\RedLua\Scripts\`. Each script located in this folder will be loaded automatically (If the `Autorun feature` is enabled). Every script should return a `table` (can be empty) with functions `OnLoad`, `OnTick`, `OnStop`, `OnReload`. Almost every function of the RDR2's RAGE is described [here](https://alloc8or.re/rdr3/nativedb/) and [here](https://www.rdr2mods.com/nativedb/index/builtin/).
 
 Example:
 ```lua

src/constants.hpp

@@ -1,8 +1,8 @@
 #pragma once
 
 #define REDLUA_NAME "RedLua"
-#define REDLUA_VERSION "v0.2.0"
-#define REDLUA_VERSION_NUM 020
+#define REDLUA_VERSION "v0.2.1"
+#define REDLUA_VERSION_NUM 021
 #define REDLUA_FULLNAME REDLUA_NAME " " REDLUA_VERSION
 
 #define REDLUA_TAGS_URL "https://api.github.com/repos/igor725/RedLua/tags"

src/redlua.hpp

@@ -99,7 +99,12 @@ class LuaScript {
 	}
 
 	bool Load(void) {
-		if(m_modref != LUA_REFNIL) luaL_unref(L, LUA_REGISTRYINDEX, m_modref);
+		if(m_modref != LUA_REFNIL) {
+			if(LookForFunc("OnReload") && !CallFunc(0, 0, false))
+				return false;
+
+			luaL_unref(L, LUA_REGISTRYINDEX, m_modref);
+		}
 		if(luaL_loadfile(L, m_path.c_str()) != 0) {
 			LogLuaError();
 			return false;