*拷贝lua object到另一个lua state

1 files changed, 43 insertions, 4 deletions

diff --git a/src/lua/common/je_lua.cpp b/src/lua/common/je_lua.cpp
index b09004f..21d3fa6 100644
--- a/src/lua/common/je_lua.cpp
+++ b/src/lua/common/je_lua.cpp
@@ -2,6 +2,7 @@
 
 #include "je_lua.h"
 
+using namespace std;
 using namespace JinEngine::Math;
 
 namespace JinEngine
@@ -17,16 +18,54 @@ namespace JinEngine
 
         LuaObject* luax_newinstance(lua_State* L, const char* type, SharedBase* shared)
         {
-            LuaObject* luaObj = static_cast<LuaObject*>(luax_newinstance(L, type, sizeof(LuaObject)));
-            luaObj->state = L;
-            luaObj->bind(shared);
+            LuaObject* obj = static_cast<LuaObject*>(luax_newinstance(L, type, sizeof(LuaObject)));
+            obj->state = L;
+            obj->bind(shared);
             // Add to objects_table, objects_table[shared] = luaObj
             luax_getobjectstable(L);
             luax_pushlightuserdata(L, shared);
             luax_pushvalue(L, -3);
             luax_settable(L, -3);
             luax_pop(L, 1); // Pop objects table.
-            return luaObj;
+            return obj;
+        }
+
+        LuaObject* luax_newinstance(lua_State* L, LuaObject* src)
+        {
+            bool another = L != src->state;
+            if(another)
+            {
+                // Copy dependencies.
+                map<uint, SharedBase*>::iterator it = (*src->dependencies).begin();
+                for (; it != (*src->dependencies).end(); ++it)
+                {
+                    SharedBase* shr = it->second;
+                    // Try get lua object.
+                    luax_getobject(src->state, shr);
+                    LuaObject* luaObj = (LuaObject*)luax_checktype(src->state, -1, shr->getType());
+                    luax_newinstance(L, luaObj);
+                }
+            }
+            SharedBase * shr = src->getSharedBase();
+            LuaObject* obj = luax_newinstance(L, src->getObjectType(), shr);
+            (*obj->dependencies) = (*src->dependencies);
+            // Add to objects_table
+            luax_getobjectstable(L);
+            luax_pushlightuserdata(L, shr);
+            luax_pushvalue(L, -3);
+            luax_settable(L, -3);
+            luax_pop(L, 1); // Pop objects table.
+            // Set dependencies.
+            if (another)
+            {
+                map<uint, SharedBase*>::iterator it = (*obj->dependencies).begin();
+                for (; it != (*obj->dependencies).end(); ++it)
+                {
+                    SharedBase* dep = it->second;
+                    luax_addreference(L, shr, dep);
+                }
+            }
+            return obj;
         }
 
         int luax_getobject(lua_State* L, SharedBase* shared)