From 85fb2bff38b2ef6cb17e86c5f602ee09a365b117 Mon Sep 17 00:00:00 2001
From: Andy Belle-Isle <drumsetmonkey@gmail.com>
Date: Wed, 28 Aug 2019 00:57:57 -0400
Subject: Added LuaBridge support

---
 src/Script/entityx/EntityLua.hpp |  2 +-
 src/main.cpp                     | 31 +++++++++++++++++++++++++------
 2 files changed, 26 insertions(+), 7 deletions(-)

(limited to 'src')

diff --git a/src/Script/entityx/EntityLua.hpp b/src/Script/entityx/EntityLua.hpp
index c957252..780f051 100644
--- a/src/Script/entityx/EntityLua.hpp
+++ b/src/Script/entityx/EntityLua.hpp
@@ -48,7 +48,7 @@ namespace entityx
                 // Now the ComponentHandler should be at #-2 of stack (-1 is the metatable), this will be used as up-values
                 lua_pushvalue(L, -2);
                 // Also remember the offset
-                int offset = ComponentHelper<C>::offset(ptr);
+                int offset = typename ComponentHelper<C>::offset(ptr);
                 lua_pushinteger(L, offset);
                 lua_pushcclosure(L, [](lua_State* L){
                     // This function is used as both getter and setter:
diff --git a/src/main.cpp b/src/main.cpp
index b3d4744..266519c 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -21,6 +21,7 @@
 #include <lua.hpp>
 #include <entityx/entityx.h>
 #include <Script/entityx/entity_lua.hpp>
+#include <LuaBridge/LuaBridge.h>
 
 #include <SDL2/SDL.h>
 
@@ -142,7 +143,8 @@ void logicLoop(void)
 struct Position : entityx::Component<Position>
 {
     Position(float _x, float _y): x(_x), y(_y) {}
-
+    Position(void){x = y = 0.0;}
+    
     float x,y;
 };
 
@@ -151,11 +153,15 @@ void LuaTest(void)
 {
     using namespace entityx;
     using namespace entityx::lua;
+    namespace lb = luabridge;
+    
+    std::function<Position(float, float)> ctor = [](float x, float y) {
+        return Position(x, y);
+    };
+
+    ctor(6,7);
 
-    //export_component<Position>("Position",
-    //        wrap_ctor<Position, float, float>([](float x, float y) {
-    //            return Position(x, y);
-    //        }),
+    //export_component<Position>("Position", ctor,
     //        [](MemberRegister<Position>& m) {
     //            m.add("x", &Position::x);
     //            m.add("y", &Position::y);
@@ -164,13 +170,26 @@ void LuaTest(void)
 
     lua_State* L = luaL_newstate();
     luaL_openlibs(L);
+
+    lb::getGlobalNamespace(L).
+        beginNamespace("comp")
+            .beginClass<Position>("Position")
+                .addConstructor<void(*)(float, float)>()
+                .addProperty("x", &Position::x)
+                .addProperty("y", &Position::y)
+            .endClass()
+        .endNamespace();
+
     setup_entityx_api(L);
 
     std::shared_ptr<EventManager> events(new EventManager());
     std::shared_ptr<EntityManager> entities(new EntityManager(*events));
     new_entity_manager(L, entities, "manager");
 
-    luaL_dofile(L, "Scripts/init.lua");
+    if (luaL_dofile(L, "Scripts/init.lua")) {
+        std::cout << "Lua Error: " << lua_tostring(L, -1) << std::endl;
+    }
+
 
     lua_close(L);
 }
-- 
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