38 files changed, 2334 insertions, 0 deletions

diff --git a/tolua++-1.0.93/src/bin/SCsub b/lib/tolua++/src/bin/SCsub
index 35ccd7a24..35ccd7a24 100644
--- a/tolua++-1.0.93/src/bin/SCsub
+++ b/lib/tolua++/src/bin/SCsub
diff --git a/tolua++-1.0.93/src/bin/lua/all.lua b/lib/tolua++/src/bin/lua/all.lua
index 83f8a3cb9..83f8a3cb9 100644
--- a/tolua++-1.0.93/src/bin/lua/all.lua
+++ b/lib/tolua++/src/bin/lua/all.lua
diff --git a/tolua++-1.0.93/src/bin/lua/array.lua b/lib/tolua++/src/bin/lua/array.lua
index f35aa98ce..f35aa98ce 100644
--- a/tolua++-1.0.93/src/bin/lua/array.lua
+++ b/lib/tolua++/src/bin/lua/array.lua
diff --git a/tolua++-1.0.93/src/bin/lua/basic.lua b/lib/tolua++/src/bin/lua/basic.lua
index f651f1fe6..f651f1fe6 100644
--- a/tolua++-1.0.93/src/bin/lua/basic.lua
+++ b/lib/tolua++/src/bin/lua/basic.lua
diff --git a/tolua++-1.0.93/src/bin/lua/class.lua b/lib/tolua++/src/bin/lua/class.lua
index 592705282..592705282 100644
--- a/tolua++-1.0.93/src/bin/lua/class.lua
+++ b/lib/tolua++/src/bin/lua/class.lua
diff --git a/tolua++-1.0.93/src/bin/lua/clean.lua b/lib/tolua++/src/bin/lua/clean.lua
index fd5b7b635..fd5b7b635 100644
--- a/tolua++-1.0.93/src/bin/lua/clean.lua
+++ b/lib/tolua++/src/bin/lua/clean.lua
diff --git a/tolua++-1.0.93/src/bin/lua/code.lua b/lib/tolua++/src/bin/lua/code.lua
index 5e19b6bbf..5e19b6bbf 100644
--- a/tolua++-1.0.93/src/bin/lua/code.lua
+++ b/lib/tolua++/src/bin/lua/code.lua
diff --git a/tolua++-1.0.93/src/bin/lua/compat-5.1.lua b/lib/tolua++/src/bin/lua/compat-5.1.lua
index 7a2c60b69..7a2c60b69 100644
--- a/tolua++-1.0.93/src/bin/lua/compat-5.1.lua
+++ b/lib/tolua++/src/bin/lua/compat-5.1.lua
diff --git a/tolua++-1.0.93/src/bin/lua/compat.lua b/lib/tolua++/src/bin/lua/compat.lua
index 45d6ae1ba..45d6ae1ba 100644
--- a/tolua++-1.0.93/src/bin/lua/compat.lua
+++ b/lib/tolua++/src/bin/lua/compat.lua
diff --git a/tolua++-1.0.93/src/bin/lua/container.lua b/lib/tolua++/src/bin/lua/container.lua
index 2d11db7df..2d11db7df 100644
--- a/tolua++-1.0.93/src/bin/lua/container.lua
+++ b/lib/tolua++/src/bin/lua/container.lua
diff --git a/tolua++-1.0.93/src/bin/lua/custom.lua b/lib/tolua++/src/bin/lua/custom.lua
index de5912fb3..de5912fb3 100644
--- a/tolua++-1.0.93/src/bin/lua/custom.lua
+++ b/lib/tolua++/src/bin/lua/custom.lua
diff --git a/tolua++-1.0.93/src/bin/lua/declaration.lua b/lib/tolua++/src/bin/lua/declaration.lua
index 73bbe910e..73bbe910e 100644
--- a/tolua++-1.0.93/src/bin/lua/declaration.lua
+++ b/lib/tolua++/src/bin/lua/declaration.lua
diff --git a/tolua++-1.0.93/src/bin/lua/define.lua b/lib/tolua++/src/bin/lua/define.lua
index 96a28d878..96a28d878 100644
--- a/tolua++-1.0.93/src/bin/lua/define.lua
+++ b/lib/tolua++/src/bin/lua/define.lua
diff --git a/tolua++-1.0.93/src/bin/lua/doit.lua b/lib/tolua++/src/bin/lua/doit.lua
index 51dd0cf3c..51dd0cf3c 100644
--- a/tolua++-1.0.93/src/bin/lua/doit.lua
+++ b/lib/tolua++/src/bin/lua/doit.lua
diff --git a/tolua++-1.0.93/src/bin/lua/enumerate.lua b/lib/tolua++/src/bin/lua/enumerate.lua
index 99fe74629..99fe74629 100644
--- a/tolua++-1.0.93/src/bin/lua/enumerate.lua
+++ b/lib/tolua++/src/bin/lua/enumerate.lua
diff --git a/tolua++-1.0.93/src/bin/lua/feature.lua b/lib/tolua++/src/bin/lua/feature.lua
index 042b5d28e..042b5d28e 100644
--- a/tolua++-1.0.93/src/bin/lua/feature.lua
+++ b/lib/tolua++/src/bin/lua/feature.lua
diff --git a/tolua++-1.0.93/src/bin/lua/function.lua b/lib/tolua++/src/bin/lua/function.lua
index 2358e9ff7..2358e9ff7 100644
--- a/tolua++-1.0.93/src/bin/lua/function.lua
+++ b/lib/tolua++/src/bin/lua/function.lua
diff --git a/tolua++-1.0.93/src/bin/lua/module.lua b/lib/tolua++/src/bin/lua/module.lua
index 57dceb7d5..57dceb7d5 100644
--- a/tolua++-1.0.93/src/bin/lua/module.lua
+++ b/lib/tolua++/src/bin/lua/module.lua
diff --git a/tolua++-1.0.93/src/bin/lua/namespace.lua b/lib/tolua++/src/bin/lua/namespace.lua
index 6ca80e6e3..6ca80e6e3 100644
--- a/tolua++-1.0.93/src/bin/lua/namespace.lua
+++ b/lib/tolua++/src/bin/lua/namespace.lua
diff --git a/tolua++-1.0.93/src/bin/lua/operator.lua b/lib/tolua++/src/bin/lua/operator.lua
index 675027cd7..675027cd7 100644
--- a/tolua++-1.0.93/src/bin/lua/operator.lua
+++ b/lib/tolua++/src/bin/lua/operator.lua
diff --git a/tolua++-1.0.93/src/bin/lua/package.lua b/lib/tolua++/src/bin/lua/package.lua
index eec136904..eec136904 100644
--- a/tolua++-1.0.93/src/bin/lua/package.lua
+++ b/lib/tolua++/src/bin/lua/package.lua
diff --git a/tolua++-1.0.93/src/bin/lua/template_class.lua b/lib/tolua++/src/bin/lua/template_class.lua
index b1ed05abe..b1ed05abe 100644
--- a/tolua++-1.0.93/src/bin/lua/template_class.lua
+++ b/lib/tolua++/src/bin/lua/template_class.lua
diff --git a/tolua++-1.0.93/src/bin/lua/typedef.lua b/lib/tolua++/src/bin/lua/typedef.lua
index a78a84155..a78a84155 100644
--- a/tolua++-1.0.93/src/bin/lua/typedef.lua
+++ b/lib/tolua++/src/bin/lua/typedef.lua
diff --git a/tolua++-1.0.93/src/bin/lua/variable.lua b/lib/tolua++/src/bin/lua/variable.lua
index fbc705dd8..fbc705dd8 100644
--- a/tolua++-1.0.93/src/bin/lua/variable.lua
+++ b/lib/tolua++/src/bin/lua/variable.lua
diff --git a/tolua++-1.0.93/src/bin/lua/verbatim.lua b/lib/tolua++/src/bin/lua/verbatim.lua
index fd3b29b35..fd3b29b35 100644
--- a/tolua++-1.0.93/src/bin/lua/verbatim.lua
+++ b/lib/tolua++/src/bin/lua/verbatim.lua
diff --git a/lib/tolua++/src/bin/tolua.c b/lib/tolua++/src/bin/tolua.c
new file mode 100644
index 000000000..fd8e1ed1e
--- /dev/null
+++ b/lib/tolua++/src/bin/tolua.c
@@ -0,0 +1,169 @@
+/* tolua
+** Support code for Lua bindings.
+** Written by Waldemar Celes
+** TeCGraf/PUC-Rio
+** Aug 2003
+** $Id:$
+*/
+
+/* This code is free software; you can redistribute it and/or modify it.
+** The software provided hereunder is on an "as is" basis, and
+** the author has no obligation to provide maintenance, support, updates,
+** enhancements, or modifications.
+*/
+
+#include "../../include/tolua++.h"
+
+#include "../../../lua/src/lua.h"
+#include "../../../lua/src/lualib.h"
+#include "../../../lua/src/lauxlib.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+static void help (void)
+{
+ fprintf(stderr,"\n"
+         "usage: tolua++ [options] input_file\n"
+         "\n"
+         "Command line options are:\n"
+         "  -v       : print version information.\n"
+         "  -o  file : set output file; default is stdout.\n"
+         "  -H  file : create include file.\n"
+         "  -n  name : set package name; default is input file root name.\n"
+         "  -p       : parse only.\n"
+         "  -P       : parse and print structure information (for debug).\n"
+         "  -S       : disable support for c++ strings.\n"
+         "  -1       : substract 1 to operator[] index (for compatibility with tolua5).\n"
+         "  -L  file : run lua file (with dofile()) before doing anything.\n"
+         "  -D       : disable automatic exporting of destructors for classes that have\n"
+         "             constructors (for compatibility with tolua5)\n"
+         "  -W       : disable warnings for unsupported features (for compatibility\n"
+         "             with tolua5)\n"
+         "  -C       : disable cleanup of included lua code (for easier debugging)\n"
+         "  -E  value[=value] : add extra values to the luastate\n"
+         "  -t       : export a list of types asociates with the C++ typeid name\n"
+         "  -q       : don't print warnings to the console\n"
+         "  -h       : print this message.\n"
+         "Should the input file be omitted, stdin is assumed;\n"
+         "in that case, the package name must be explicitly set.\n\n"
+        );
+}
+
+static void version (void)
+{
+ fprintf(stderr, "%s (written by W. Celes, A. Manzur)\n",TOLUA_VERSION);
+}
+
+static void setfield (lua_State* L, int table, char* f, char* v)
+{
+ lua_pushstring(L,f);
+ lua_pushstring(L,v);
+ lua_settable(L,table);
+}
+
+static void add_extra (lua_State* L, char* value) {
+	int len;
+	lua_getglobal(L, "_extra_parameters");
+	len = luaL_getn(L, -1);
+	lua_pushstring(L, value);
+	lua_rawseti(L, -2, len+1);
+	lua_pop(L, 1);
+};
+
+static void error (char* o)
+{
+ fprintf(stderr,"tolua: unknown option '%s'\n",o);
+ help();
+ exit(1);
+}
+
+int main (int argc, char* argv[])
+{
+ #ifdef LUA_VERSION_NUM /* lua 5.1 */
+ lua_State* L = luaL_newstate();
+ luaL_openlibs(L);
+ #else
+ lua_State* L = lua_open();
+ luaopen_base(L);
+ luaopen_io(L);
+ luaopen_string(L);
+ luaopen_table(L);
+ luaopen_math(L);
+ luaopen_debug(L);
+ #endif
+
+ lua_pushstring(L,TOLUA_VERSION); lua_setglobal(L,"TOLUA_VERSION");
+ lua_pushstring(L,LUA_VERSION); lua_setglobal(L,"TOLUA_LUA_VERSION");
+
+ if (argc==1)
+ {
+  help();
+  return 0;
+ }
+ else
+ {
+  int i, t;
+  lua_newtable(L);
+  lua_setglobal(L, "_extra_parameters");
+  lua_newtable(L);
+  lua_pushvalue(L,-1);
+  lua_setglobal(L,"flags");
+  t = lua_gettop(L);
+  for (i=1; i<argc; ++i)
+  {
+   if (*argv[i] == '-')
+   {
+    switch (argv[i][1])
+    {
+     case 'v': version(); return 0;
+     case 'h': help(); return 0;
+     case 'p': setfield(L,t,"p",""); break;
+     case 'P': setfield(L,t,"P",""); break;
+     case 'o': setfield(L,t,"o",argv[++i]); break;
+     case 'n': setfield(L,t,"n",argv[++i]); break;
+     case 'H': setfield(L,t,"H",argv[++i]); break;
+     case 'S': setfield(L,t,"S",""); break;
+     case '1': setfield(L,t,"1",""); break;
+     case 'L': setfield(L,t,"L",argv[++i]); break;
+     case 'D': setfield(L,t,"D",""); break;
+     case 'W': setfield(L,t,"W",""); break;
+     case 'C': setfield(L,t,"C",""); break;
+     case 'E': add_extra(L,argv[++i]); break;
+     case 't': setfield(L,t,"t",""); break;
+     case 'q': setfield(L,t,"q",""); break;
+     default: error(argv[i]); break;
+    }
+   }
+   else
+   {
+    setfield(L,t,"f",argv[i]);
+    break;
+   }
+  }
+  lua_pop(L,1);
+ }
+/* #define TOLUA_SCRIPT_RUN */
+#ifndef TOLUA_SCRIPT_RUN
+ {
+  int tolua_tolua_open (lua_State* L);
+  tolua_tolua_open(L);
+ }
+#else
+ {
+  char* p;
+  char  path[BUFSIZ];
+  strcpy(path,argv[0]);
+  p = strrchr(path,'/');
+  if (p==NULL) p = strrchr(path,'\\');
+  p = (p==NULL) ? path : p+1;
+  sprintf(p,"%s","../src/bin/lua/");
+  lua_pushstring(L,path); lua_setglobal(L,"path");
+		strcat(path,"all.lua");
+  lua_dofile(L,path);
+ }
+#endif
+ return 0;
+}
diff --git a/tolua++-1.0.93/src/bin/tolua_scons.pkg b/lib/tolua++/src/bin/tolua_scons.pkg
index da458ea7c..da458ea7c 100644
--- a/tolua++-1.0.93/src/bin/tolua_scons.pkg
+++ b/lib/tolua++/src/bin/tolua_scons.pkg
diff --git a/tolua++-1.0.93/src/bin/toluabind.c b/lib/tolua++/src/bin/toluabind.c
index bf71cf158..bf71cf158 100644
--- a/tolua++-1.0.93/src/bin/toluabind.c
+++ b/lib/tolua++/src/bin/toluabind.c
diff --git a/tolua++-1.0.93/src/bin/toluabind.h b/lib/tolua++/src/bin/toluabind.h
index 7f1f018c9..7f1f018c9 100644
--- a/tolua++-1.0.93/src/bin/toluabind.h
+++ b/lib/tolua++/src/bin/toluabind.h
diff --git a/tolua++-1.0.93/src/bin/toluabind_default.c b/lib/tolua++/src/bin/toluabind_default.c
index b5db813bf..b5db813bf 100644
--- a/tolua++-1.0.93/src/bin/toluabind_default.c
+++ b/lib/tolua++/src/bin/toluabind_default.c
diff --git a/tolua++-1.0.93/src/bin/toluabind_default.h b/lib/tolua++/src/bin/toluabind_default.h
index c31a14875..c31a14875 100644
--- a/tolua++-1.0.93/src/bin/toluabind_default.h
+++ b/lib/tolua++/src/bin/toluabind_default.h
diff --git a/tolua++-1.0.93/src/lib/SCsub b/lib/tolua++/src/lib/SCsub
index 2f9a24691..2f9a24691 100644
--- a/tolua++-1.0.93/src/lib/SCsub
+++ b/lib/tolua++/src/lib/SCsub
diff --git a/lib/tolua++/src/lib/tolua_event.c b/lib/tolua++/src/lib/tolua_event.c
new file mode 100644
index 000000000..3075a60b3
--- /dev/null
+++ b/lib/tolua++/src/lib/tolua_event.c
@@ -0,0 +1,536 @@
+/* tolua: event functions
+** Support code for Lua bindings.
+** Written by Waldemar Celes
+** TeCGraf/PUC-Rio
+** Apr 2003
+** $Id: $
+*/
+
+/* This code is free software; you can redistribute it and/or modify it.
+** The software provided hereunder is on an "as is" basis, and
+** the author has no obligation to provide maintenance, support, updates,
+** enhancements, or modifications.
+*/
+
+#include <stdio.h>
+
+#include "../../include/tolua++.h"
+
+/* Store at ubox
+	* It stores, creating the corresponding table if needed,
+	* the pair key/value in the corresponding ubox table
+*/
+static void storeatubox (lua_State* L, int lo)
+{
+	#ifdef LUA_VERSION_NUM
+		lua_getfenv(L, lo);
+		if (lua_rawequal(L, -1, TOLUA_NOPEER)) {
+			lua_pop(L, 1);
+			lua_newtable(L);
+			lua_pushvalue(L, -1);
+			lua_setfenv(L, lo);	/* stack: k,v,table  */
+		};
+		lua_insert(L, -3);
+		lua_settable(L, -3); /* on lua 5.1, we trade the "tolua_peers" lookup for a settable call */
+		lua_pop(L, 1);
+	#else
+	 /* stack: key value (to be stored) */
+		lua_pushstring(L,"tolua_peers");
+		lua_rawget(L,LUA_REGISTRYINDEX);        /* stack: k v ubox */
+		lua_pushvalue(L,lo);
+		lua_rawget(L,-2);                       /* stack: k v ubox ubox[u] */
+		if (!lua_istable(L,-1))
+		{
+			lua_pop(L,1);                          /* stack: k v ubox */
+			lua_newtable(L);                       /* stack: k v ubox table */
+			lua_pushvalue(L,1);
+			lua_pushvalue(L,-2);                   /* stack: k v ubox table u table */
+			lua_rawset(L,-4);                      /* stack: k v ubox ubox[u]=table */
+		}
+		lua_insert(L,-4);                       /* put table before k */
+		lua_pop(L,1);                           /* pop ubox */
+		lua_rawset(L,-3);                       /* store at table */
+		lua_pop(L,1);                           /* pop ubox[u] */
+	#endif
+}
+
+/* Module index function
+*/
+static int module_index_event (lua_State* L)
+{
+	lua_pushstring(L,".get");
+	lua_rawget(L,-3);
+	if (lua_istable(L,-1))
+	{
+		lua_pushvalue(L,2);  /* key */
+		lua_rawget(L,-2);
+		if (lua_iscfunction(L,-1))
+		{
+			lua_call(L,0,1);
+			return 1;
+		}
+		else if (lua_istable(L,-1))
+			return 1;
+	}
+	/* call old index meta event */
+	if (lua_getmetatable(L,1))
+	{
+		lua_pushstring(L,"__index");
+		lua_rawget(L,-2);
+		lua_pushvalue(L,1);
+		lua_pushvalue(L,2);
+		if (lua_isfunction(L,-1))
+		{
+			lua_call(L,2,1);
+			return 1;
+		}
+		else if (lua_istable(L,-1))
+		{
+			lua_gettable(L,-3);
+			return 1;
+		}
+	}
+	lua_pushnil(L);
+	return 1;
+}
+
+/* Module newindex function
+*/
+static int module_newindex_event (lua_State* L)
+{
+	lua_pushstring(L,".set");
+	lua_rawget(L,-4);
+	if (lua_istable(L,-1))
+	{
+		lua_pushvalue(L,2);  /* key */
+		lua_rawget(L,-2);
+		if (lua_iscfunction(L,-1))
+		{
+			lua_pushvalue(L,1); /* only to be compatible with non-static vars */
+			lua_pushvalue(L,3); /* value */
+			lua_call(L,2,0);
+			return 0;
+		}
+	}
+	/* call old newindex meta event */
+	if (lua_getmetatable(L,1) && lua_getmetatable(L,-1))
+	{
+		lua_pushstring(L,"__newindex");
+		lua_rawget(L,-2);
+		if (lua_isfunction(L,-1))
+		{
+		 lua_pushvalue(L,1);
+		 lua_pushvalue(L,2);
+		 lua_pushvalue(L,3);
+			lua_call(L,3,0);
+		}
+	}
+	lua_settop(L,3);
+	lua_rawset(L,-3);
+	return 0;
+}
+
+/* Class index function
+	* If the object is a userdata (ie, an object), it searches the field in
+	* the alternative table stored in the corresponding "ubox" table.
+*/
+static int class_index_event (lua_State* L)
+{
+ int t = lua_type(L,1);
+	if (t == LUA_TUSERDATA)
+	{
+		/* Access alternative table */
+		#ifdef LUA_VERSION_NUM /* new macro on version 5.1 */
+		lua_getfenv(L,1);
+		if (!lua_rawequal(L, -1, TOLUA_NOPEER)) {
+			lua_pushvalue(L, 2); /* key */
+			lua_gettable(L, -2); /* on lua 5.1, we trade the "tolua_peers" lookup for a gettable call */
+			if (!lua_isnil(L, -1))
+				return 1;
+		};
+		#else
+		lua_pushstring(L,"tolua_peers");
+		lua_rawget(L,LUA_REGISTRYINDEX);        /* stack: obj key ubox */
+		lua_pushvalue(L,1);
+		lua_rawget(L,-2);                       /* stack: obj key ubox ubox[u] */
+		if (lua_istable(L,-1))
+		{
+			lua_pushvalue(L,2);  /* key */
+			lua_rawget(L,-2);                      /* stack: obj key ubox ubox[u] value */
+			if (!lua_isnil(L,-1))
+				return 1;
+		}
+		#endif
+		lua_settop(L,2);                        /* stack: obj key */
+		/* Try metatables */
+		lua_pushvalue(L,1);                     /* stack: obj key obj */
+		while (lua_getmetatable(L,-1))
+		{                                       /* stack: obj key obj mt */
+			lua_remove(L,-2);                      /* stack: obj key mt */
+			if (lua_isnumber(L,2))                 /* check if key is a numeric value */
+			{
+				/* try operator[] */
+				lua_pushstring(L,".geti");
+				lua_rawget(L,-2);                      /* stack: obj key mt func */
+				if (lua_isfunction(L,-1))
+				{
+					lua_pushvalue(L,1);
+					lua_pushvalue(L,2);
+					lua_call(L,2,1);
+					return 1;
+				}
+			}
+			else
+			{
+			 lua_pushvalue(L,2);                    /* stack: obj key mt key */
+				lua_rawget(L,-2);                      /* stack: obj key mt value */
+				if (!lua_isnil(L,-1))
+					return 1;
+				else
+					lua_pop(L,1);
+				/* try C/C++ variable */
+				lua_pushstring(L,".get");
+				lua_rawget(L,-2);                      /* stack: obj key mt tget */
+				if (lua_istable(L,-1))
+				{
+					lua_pushvalue(L,2);
+					lua_rawget(L,-2);                      /* stack: obj key mt value */
+					if (lua_iscfunction(L,-1))
+					{
+						lua_pushvalue(L,1);
+						lua_pushvalue(L,2);
+						lua_call(L,2,1);
+						return 1;
+					}
+					else if (lua_istable(L,-1))
+					{
+						/* deal with array: create table to be returned and cache it in ubox */
+						void* u = *((void**)lua_touserdata(L,1));
+						lua_newtable(L);                /* stack: obj key mt value table */
+						lua_pushstring(L,".self");
+						lua_pushlightuserdata(L,u);
+						lua_rawset(L,-3);               /* store usertype in ".self" */
+						lua_insert(L,-2);               /* stack: obj key mt table value */
+						lua_setmetatable(L,-2);         /* set stored value as metatable */
+						lua_pushvalue(L,-1);            /* stack: obj key met table table */
+						lua_pushvalue(L,2);             /* stack: obj key mt table table key */
+						lua_insert(L,-2);               /*  stack: obj key mt table key table */
+						storeatubox(L,1);               /* stack: obj key mt table */
+						return 1;
+					}
+				}
+			}
+			lua_settop(L,3);
+		}
+		lua_pushnil(L);
+		return 1;
+	}
+	else if (t== LUA_TTABLE)
+	{
+		module_index_event(L);
+		return 1;
+	}
+	lua_pushnil(L);
+	return 1;
+}
+
+/* Newindex function
+	* It first searches for a C/C++ varaible to be set.
+	* Then, it either stores it in the alternative ubox table (in the case it is
+	* an object) or in the own table (that represents the class or module).
+*/
+static int class_newindex_event (lua_State* L)
+{
+ int t = lua_type(L,1);
+	if (t == LUA_TUSERDATA)
+	{
+	 /* Try accessing a C/C++ variable to be set */
+		lua_getmetatable(L,1);
+		while (lua_istable(L,-1))                /* stack: t k v mt */
+		{
+			if (lua_isnumber(L,2))                 /* check if key is a numeric value */
+			{
+				/* try operator[] */
+				lua_pushstring(L,".seti");
+				lua_rawget(L,-2);                      /* stack: obj key mt func */
+				if (lua_isfunction(L,-1))
+				{
+					lua_pushvalue(L,1);
+					lua_pushvalue(L,2);
+					lua_pushvalue(L,3);
+					lua_call(L,3,0);
+					return 0;
+				}
+			}
+			else
+			{
+				lua_pushstring(L,".set");
+				lua_rawget(L,-2);                      /* stack: t k v mt tset */
+				if (lua_istable(L,-1))
+				{
+					lua_pushvalue(L,2);
+					lua_rawget(L,-2);                     /* stack: t k v mt tset func */
+					if (lua_iscfunction(L,-1))
+					{
+						lua_pushvalue(L,1);
+						lua_pushvalue(L,3);
+						lua_call(L,2,0);
+						return 0;
+					}
+					lua_pop(L,1);                          /* stack: t k v mt tset */
+				}
+				lua_pop(L,1);                           /* stack: t k v mt */
+				if (!lua_getmetatable(L,-1))            /* stack: t k v mt mt */
+					lua_pushnil(L);
+				lua_remove(L,-2);                       /* stack: t k v mt */
+			}
+		}
+	 lua_settop(L,3);                          /* stack: t k v */
+
+		/* then, store as a new field */
+		storeatubox(L,1);
+	}
+	else if (t== LUA_TTABLE)
+	{
+		module_newindex_event(L);
+	}
+	return 0;
+}
+
+static int class_call_event(lua_State* L) {
+
+	if (lua_istable(L, 1)) {
+		lua_pushstring(L, ".call");
+		lua_rawget(L, 1);
+		if (lua_isfunction(L, -1)) {
+
+			lua_insert(L, 1);
+			lua_call(L, lua_gettop(L)-1, 1);
+
+			return 1;
+		};
+	};
+	tolua_error(L,"Attempt to call a non-callable object.",NULL);
+	return 0;
+};
+
+static int do_operator (lua_State* L, const char* op)
+{
+	if (lua_isuserdata(L,1))
+	{
+		/* Try metatables */
+		lua_pushvalue(L,1);                     /* stack: op1 op2 */
+		while (lua_getmetatable(L,-1))
+		{                                       /* stack: op1 op2 op1 mt */
+			lua_remove(L,-2);                      /* stack: op1 op2 mt */
+			lua_pushstring(L,op);                  /* stack: op1 op2 mt key */
+			lua_rawget(L,-2);                      /* stack: obj key mt func */
+			if (lua_isfunction(L,-1))
+			{
+				lua_pushvalue(L,1);
+				lua_pushvalue(L,2);
+				lua_call(L,2,1);
+				return 1;
+			}
+			lua_settop(L,3);
+		}
+	}
+	tolua_error(L,"Attempt to perform operation on an invalid operand",NULL);
+	return 0;
+}
+
+static int class_add_event (lua_State* L)
+{
+	return do_operator(L,".add");
+}
+
+static int class_sub_event (lua_State* L)
+{
+	return do_operator(L,".sub");
+}
+
+static int class_mul_event (lua_State* L)
+{
+	return do_operator(L,".mul");
+}
+
+static int class_div_event (lua_State* L)
+{
+	return do_operator(L,".div");
+}
+
+static int class_lt_event (lua_State* L)
+{
+	return do_operator(L,".lt");
+}
+
+static int class_le_event (lua_State* L)
+{
+	return do_operator(L,".le");
+}
+
+static int class_eq_event (lua_State* L)
+{
+	/* copying code from do_operator here to return false when no operator is found */
+	if (lua_isuserdata(L,1))
+	{
+		/* Try metatables */
+		lua_pushvalue(L,1);                     /* stack: op1 op2 */
+		while (lua_getmetatable(L,-1))
+		{                                       /* stack: op1 op2 op1 mt */
+			lua_remove(L,-2);                      /* stack: op1 op2 mt */
+			lua_pushstring(L,".eq");                  /* stack: op1 op2 mt key */
+			lua_rawget(L,-2);                      /* stack: obj key mt func */
+			if (lua_isfunction(L,-1))
+			{
+				lua_pushvalue(L,1);
+				lua_pushvalue(L,2);
+				lua_call(L,2,1);
+				return 1;
+			}
+			lua_settop(L,3);
+		}
+	}
+
+	lua_settop(L, 3);
+	lua_pushboolean(L, 0);
+	return 1;
+}
+
+/*
+static int class_gc_event (lua_State* L)
+{
+	void* u = *((void**)lua_touserdata(L,1));
+	fprintf(stderr, "collecting: looking at %p\n", u);
+	lua_pushstring(L,"tolua_gc");
+	lua_rawget(L,LUA_REGISTRYINDEX);
+	lua_pushlightuserdata(L,u);
+	lua_rawget(L,-2);
+	if (lua_isfunction(L,-1))
+	{
+		lua_pushvalue(L,1);
+		lua_call(L,1,0);
+ 		lua_pushlightuserdata(L,u);
+		lua_pushnil(L);
+		lua_rawset(L,-3);
+	}
+	lua_pop(L,2);
+	return 0;
+}
+*/
+TOLUA_API int class_gc_event (lua_State* L)
+{
+	void* u = *((void**)lua_touserdata(L,1));
+	int top;
+	/*fprintf(stderr, "collecting: looking at %p\n", u);*/
+	/*
+	lua_pushstring(L,"tolua_gc");
+	lua_rawget(L,LUA_REGISTRYINDEX);
+	*/
+	lua_pushvalue(L, lua_upvalueindex(1));
+	lua_pushlightuserdata(L,u);
+	lua_rawget(L,-2);            /* stack: gc umt    */
+	lua_getmetatable(L,1);       /* stack: gc umt mt */
+	/*fprintf(stderr, "checking type\n");*/
+	top = lua_gettop(L);
+	if (tolua_fast_isa(L,top,top-1, lua_upvalueindex(2))) /* make sure we collect correct type */
+	{
+		/*fprintf(stderr, "Found type!\n");*/
+		/* get gc function */
+		lua_pushliteral(L,".collector");
+		lua_rawget(L,-2);           /* stack: gc umt mt collector */
+		if (lua_isfunction(L,-1)) {
+			/*fprintf(stderr, "Found .collector!\n");*/
+		}
+		else {
+			lua_pop(L,1);
+			/*fprintf(stderr, "Using default cleanup\n");*/
+			lua_pushcfunction(L,tolua_default_collect);
+		}
+
+		lua_pushvalue(L,1);         /* stack: gc umt mt collector u */
+		lua_call(L,1,0);
+
+		lua_pushlightuserdata(L,u); /* stack: gc umt mt u */
+		lua_pushnil(L);             /* stack: gc umt mt u nil */
+		lua_rawset(L,-5);           /* stack: gc umt mt */
+	}
+	lua_pop(L,3);
+	return 0;
+}
+
+
+/* Register module events
+	* It expects the metatable on the top of the stack
+*/
+TOLUA_API void tolua_moduleevents (lua_State* L)
+{
+	lua_pushstring(L,"__index");
+	lua_pushcfunction(L,module_index_event);
+	lua_rawset(L,-3);
+	lua_pushstring(L,"__newindex");
+	lua_pushcfunction(L,module_newindex_event);
+	lua_rawset(L,-3);
+}
+
+/* Check if the object on the top has a module metatable
+*/
+TOLUA_API int tolua_ismodulemetatable (lua_State* L)
+{
+	int r = 0;
+	if (lua_getmetatable(L,-1))
+	{
+		lua_pushstring(L,"__index");
+		lua_rawget(L,-2);
+		r = (lua_tocfunction(L,-1) == module_index_event);
+		lua_pop(L,2);
+	}
+	return r;
+}
+
+/* Register class events
+	* It expects the metatable on the top of the stack
+*/
+TOLUA_API void tolua_classevents (lua_State* L)
+{
+	lua_pushstring(L,"__index");
+	lua_pushcfunction(L,class_index_event);
+	lua_rawset(L,-3);
+	lua_pushstring(L,"__newindex");
+	lua_pushcfunction(L,class_newindex_event);
+	lua_rawset(L,-3);
+
+	lua_pushstring(L,"__add");
+	lua_pushcfunction(L,class_add_event);
+	lua_rawset(L,-3);
+	lua_pushstring(L,"__sub");
+	lua_pushcfunction(L,class_sub_event);
+	lua_rawset(L,-3);
+	lua_pushstring(L,"__mul");
+	lua_pushcfunction(L,class_mul_event);
+	lua_rawset(L,-3);
+	lua_pushstring(L,"__div");
+	lua_pushcfunction(L,class_div_event);
+	lua_rawset(L,-3);
+
+	lua_pushstring(L,"__lt");
+	lua_pushcfunction(L,class_lt_event);
+	lua_rawset(L,-3);
+	lua_pushstring(L,"__le");
+	lua_pushcfunction(L,class_le_event);
+	lua_rawset(L,-3);
+	lua_pushstring(L,"__eq");
+	lua_pushcfunction(L,class_eq_event);
+	lua_rawset(L,-3);
+
+	lua_pushstring(L,"__call");
+	lua_pushcfunction(L,class_call_event);
+	lua_rawset(L,-3);
+
+	lua_pushstring(L,"__gc");
+	lua_pushstring(L, "tolua_gc_event");
+	lua_rawget(L, LUA_REGISTRYINDEX);
+	/*lua_pushcfunction(L,class_gc_event);*/
+	lua_rawset(L,-3);
+}
+
diff --git a/tolua++-1.0.93/src/lib/tolua_event.h b/lib/tolua++/src/lib/tolua_event.h
index 898f33dfc..898f33dfc 100644
--- a/tolua++-1.0.93/src/lib/tolua_event.h
+++ b/lib/tolua++/src/lib/tolua_event.h
diff --git a/lib/tolua++/src/lib/tolua_is.c b/lib/tolua++/src/lib/tolua_is.c
new file mode 100644
index 000000000..b470477ff
--- /dev/null
+++ b/lib/tolua++/src/lib/tolua_is.c
@@ -0,0 +1,621 @@
+/* tolua: functions to check types.
+** Support code for Lua bindings.
+** Written by Waldemar Celes
+** TeCGraf/PUC-Rio
+** Apr 2003
+** $Id: $
+*/
+
+/* This code is free software; you can redistribute it and/or modify it.
+** The software provided hereunder is on an "as is" basis, and
+** the author has no obligation to provide maintenance, support, updates,
+** enhancements, or modifications.
+*/
+
+#include "../../include/tolua++.h"
+#include "../../../lua/src/lauxlib.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+/* a fast check if a is b, without parameter validation
+ i.e. if b is equal to a or a superclass of a. */
+TOLUA_API int tolua_fast_isa(lua_State *L, int mt_indexa, int mt_indexb, int super_index)
+{
+ int result;
+	if (lua_rawequal(L,mt_indexa,mt_indexb))
+		result = 1;
+	else
+	{
+		if (super_index) {
+			lua_pushvalue(L, super_index);
+		} else {
+			lua_pushliteral(L,"tolua_super");
+			lua_rawget(L,LUA_REGISTRYINDEX);  /* stack: super */
+		};
+		lua_pushvalue(L,mt_indexa);       /* stack: super mta */
+		lua_rawget(L,-2);                 /* stack: super super[mta] */
+		lua_pushvalue(L,mt_indexb);       /* stack: super super[mta] mtb */
+		lua_rawget(L,LUA_REGISTRYINDEX);  /* stack: super super[mta] typenameB */
+		lua_rawget(L,-2);                 /* stack: super super[mta] bool */
+		result = lua_toboolean(L,-1);
+		lua_pop(L,3);
+	}
+	return result;
+}
+
+/* Push and returns the corresponding object typename */
+TOLUA_API const char* tolua_typename (lua_State* L, int lo)
+{
+	int tag = lua_type(L,lo);
+ if (tag == LUA_TNONE)
+  lua_pushstring(L,"[no object]");
+ else if (tag != LUA_TUSERDATA && tag != LUA_TTABLE)
+  lua_pushstring(L,lua_typename(L,tag));
+ else if (tag == LUA_TUSERDATA)
+ {
+  if (!lua_getmetatable(L,lo))
+   lua_pushstring(L,lua_typename(L,tag));
+		else
+		{
+		 lua_rawget(L,LUA_REGISTRYINDEX);
+		 if (!lua_isstring(L,-1))
+			{
+		  lua_pop(L,1);
+				lua_pushstring(L,"[undefined]");
+			}
+		}
+	}
+	else  /* is table */
+	{
+		lua_pushvalue(L,lo);
+		lua_rawget(L,LUA_REGISTRYINDEX);
+		if (!lua_isstring(L,-1))
+		{
+			lua_pop(L,1);
+			lua_pushstring(L,"table");
+		}
+		else
+		{
+   lua_pushstring(L,"class ");
+			lua_insert(L,-2);
+			lua_concat(L,2);
+		}
+	}
+	return lua_tostring(L,-1);
+}
+
+TOLUA_API void tolua_error (lua_State* L, const char* msg, tolua_Error* err)
+{
+	if (msg[0] == '#')
+	{
+  const char* expected = err->type;
+		const char* provided = tolua_typename(L,err->index);
+  if (msg[1]=='f')
+  {
+   int narg = err->index;
+			if (err->array)
+    luaL_error(L,"%s\n     argument #%d is array of '%s'; array of '%s' expected.\n",
+               msg+2,narg,provided,expected);
+			else
+    luaL_error(L,"%s\n     argument #%d is '%s'; '%s' expected.\n",
+               msg+2,narg,provided,expected);
+  }
+  else if (msg[1]=='v')
+		{
+			if (err->array)
+    luaL_error(L,"%s\n     value is array of '%s'; array of '%s' expected.\n",
+               msg+2,provided,expected);
+			else
+    luaL_error(L,"%s\n     value is '%s'; '%s' expected.\n",
+               msg+2,provided,expected);
+		}
+ }
+ else
+  luaL_error(L,msg);
+}
+
+/* the equivalent of lua_is* for usertable */
+static int lua_isusertable (lua_State* L, int lo, const char* type)
+{
+	int r = 0;
+	if (lo < 0) lo = lua_gettop(L)+lo+1;
+	lua_pushvalue(L,lo);
+	lua_rawget(L,LUA_REGISTRYINDEX);  /* get registry[t] */
+	if (lua_isstring(L,-1))
+	{
+		r = strcmp(lua_tostring(L,-1),type)==0;
+		if (!r)
+		{
+			/* try const */
+			lua_pushstring(L,"const ");
+			lua_insert(L,-2);
+			lua_concat(L,2);
+			r = lua_isstring(L,-1) && strcmp(lua_tostring(L,-1),type)==0;
+		}
+	}
+	lua_pop(L, 1);
+	return r;
+}
+
+int push_table_instance(lua_State* L, int lo) {
+
+	if (lua_istable(L, lo)) {
+
+		lua_pushstring(L, ".c_instance");
+		lua_gettable(L, lo);
+		if (lua_isuserdata(L, -1)) {
+
+			lua_replace(L, lo);
+			return 1;
+		} else {
+
+			lua_pop(L, 1);
+			return 0;
+		};
+	} else {
+		return 0;
+	};
+
+	return 0;
+};
+
+/* the equivalent of lua_is* for usertype */
+static int lua_isusertype (lua_State* L, int lo, const char* type)
+{
+	if (!lua_isuserdata(L,lo)) {
+		if (!push_table_instance(L, lo)) {
+			return 0;
+		};
+	};
+	{
+		/* check if it is of the same type */
+		int r;
+		const char *tn;
+		if (lua_getmetatable(L,lo))        /* if metatable? */
+		{
+		 lua_rawget(L,LUA_REGISTRYINDEX);  /* get registry[mt] */
+		 tn = lua_tostring(L,-1);
+		 r = tn && (strcmp(tn,type) == 0);
+		 lua_pop(L, 1);
+			if (r)
+			 return 1;
+			else
+			{
+				/* check if it is a specialized class */
+				lua_pushstring(L,"tolua_super");
+				lua_rawget(L,LUA_REGISTRYINDEX); /* get super */
+				lua_getmetatable(L,lo);
+				lua_rawget(L,-2);                /* get super[mt] */
+				if (lua_istable(L,-1))
+				{
+					int b;
+					lua_pushstring(L,type);
+					lua_rawget(L,-2);                /* get super[mt][type] */
+					b = lua_toboolean(L,-1);
+					lua_pop(L,3);
+					if (b)
+					 return 1;
+				}
+			}
+		}
+ }
+	return 0;
+}
+
+TOLUA_API int tolua_isnoobj (lua_State* L, int lo, tolua_Error* err)
+{
+ if (lua_gettop(L)<abs(lo))
+		return 1;
+	err->index = lo;
+	err->array = 0;
+	err->type = "[no object]";
+ return 0;
+}
+
+TOLUA_API int tolua_isboolean (lua_State* L, int lo, int def, tolua_Error* err)
+{
+	if (def && lua_gettop(L)<abs(lo))
+		return 1;
+	if (lua_isnil(L,lo) || lua_isboolean(L,lo))
+		return 1;
+	err->index = lo;
+	err->array = 0;
+	err->type = "boolean";
+	return 0;
+}
+
+TOLUA_API int tolua_isnumber (lua_State* L, int lo, int def, tolua_Error* err)
+{
+	if (def && lua_gettop(L)<abs(lo))
+		return 1;
+	if (lua_isnumber(L,lo))
+		return 1;
+	err->index = lo;
+	err->array = 0;
+	err->type = "number";
+	return 0;
+}
+
+TOLUA_API int tolua_isstring (lua_State* L, int lo, int def, tolua_Error* err)
+{
+	if (def && lua_gettop(L)<abs(lo))
+		return 1;
+ if (lua_isnil(L,lo) || lua_isstring(L,lo))
+		return 1;
+	err->index = lo;
+	err->array = 0;
+	err->type = "string";
+	return 0;
+}
+
+TOLUA_API int tolua_istable (lua_State* L, int lo, int def, tolua_Error* err)
+{
+	if (def && lua_gettop(L)<abs(lo))
+		return 1;
+	if (lua_istable(L,lo))
+		return 1;
+	err->index = lo;
+	err->array = 0;
+	err->type = "table";
+	return 0;
+}
+
+TOLUA_API int tolua_isusertable (lua_State* L, int lo, const char* type, int def, tolua_Error* err)
+{
+	if (def && lua_gettop(L)<abs(lo))
+		return 1;
+	if (lua_isusertable(L,lo,type))
+		return 1;
+	err->index = lo;
+	err->array = 0;
+	err->type = type;
+	return 0;
+}
+
+
+TOLUA_API int tolua_isuserdata (lua_State* L, int lo, int def, tolua_Error* err)
+{
+	if (def && lua_gettop(L)<abs(lo))
+		return 1;
+	if (lua_isnil(L,lo) || lua_isuserdata(L,lo))
+		return 1;
+	err->index = lo;
+	err->array = 0;
+	err->type = "userdata";
+	return 0;
+}
+
+TOLUA_API int tolua_isvaluenil (lua_State* L, int lo, tolua_Error* err) {
+
+	if (lua_gettop(L)<abs(lo))
+		return 0; /* somebody else should chack this */
+	if (!lua_isnil(L, lo))
+		return 0;
+	
+	err->index = lo;
+	err->array = 0;
+	err->type = "value";
+	return 1;
+};
+
+TOLUA_API int tolua_isvalue (lua_State* L, int lo, int def, tolua_Error* err)
+{
+	if (def || abs(lo)<=lua_gettop(L))  /* any valid index */
+		return 1;
+	err->index = lo;
+	err->array = 0;
+	err->type = "value";
+	return 0;
+}
+
+TOLUA_API int tolua_isusertype (lua_State* L, int lo, const char* type, int def, tolua_Error* err)
+{
+	if (def && lua_gettop(L)<abs(lo))
+		return 1;
+	if (lua_isnil(L,lo) || lua_isusertype(L,lo,type))
+		return 1;
+	err->index = lo;
+	err->array = 0;
+	err->type = type;
+	return 0;
+}
+
+TOLUA_API int tolua_isvaluearray
+ (lua_State* L, int lo, int dim, int def, tolua_Error* err)
+{
+	if (!tolua_istable(L,lo,def,err))
+		return 0;
+	else
+		return 1;
+}
+
+TOLUA_API int tolua_isbooleanarray
+ (lua_State* L, int lo, int dim, int def, tolua_Error* err)
+{
+	if (!tolua_istable(L,lo,def,err))
+		return 0;
+	else
+	{
+		int i;
+		for (i=1; i<=dim; ++i)
+		{
+			lua_pushnumber(L,i);
+			lua_gettable(L,lo);
+	  if (!(lua_isnil(L,-1) || lua_isboolean(L,-1)) &&
+					  !(def && lua_isnil(L,-1))
+						)
+			{
+				err->index = lo;
+				err->array = 1;
+				err->type = "boolean";
+				return 0;
+			}
+			lua_pop(L,1);
+		}
+ }
+ return 1;
+}
+
+TOLUA_API int tolua_isnumberarray
+ (lua_State* L, int lo, int dim, int def, tolua_Error* err)
+{
+	if (!tolua_istable(L,lo,def,err))
+		return 0;
+	else
+	{
+		int i;
+		for (i=1; i<=dim; ++i)
+		{
+			lua_pushnumber(L,i);
+			lua_gettable(L,lo);
+			if (!lua_isnumber(L,-1) &&
+					  !(def && lua_isnil(L,-1))
+						)
+			{
+				err->index = lo;
+				err->array = 1;
+				err->type = "number";
+				return 0;
+			}
+			lua_pop(L,1);
+		}
+ }
+ return 1;
+}
+
+TOLUA_API int tolua_isstringarray
+ (lua_State* L, int lo, int dim, int def, tolua_Error* err)
+{
+	if (!tolua_istable(L,lo,def,err))
+		return 0;
+	else
+	{
+		int i;
+		for (i=1; i<=dim; ++i)
+		{
+			lua_pushnumber(L,i);
+			lua_gettable(L,lo);
+   if (!(lua_isnil(L,-1) || lua_isstring(L,-1)) &&
+			    !(def && lua_isnil(L,-1))
+						)
+			{
+				err->index = lo;
+				err->array = 1;
+				err->type = "string";
+				return 0;
+			}
+			lua_pop(L,1);
+		}
+ }
+ return 1;
+}
+
+TOLUA_API int tolua_istablearray
+ (lua_State* L, int lo, int dim, int def, tolua_Error* err)
+{
+	if (!tolua_istable(L,lo,def,err))
+		return 0;
+	else
+	{
+		int i;
+		for (i=1; i<=dim; ++i)
+		{
+			lua_pushnumber(L,i);
+			lua_gettable(L,lo);
+	  if (! lua_istable(L,-1) &&
+			    !(def && lua_isnil(L,-1))
+						)
+			{
+				err->index = lo;
+				err->array = 1;
+				err->type = "table";
+				return 0;
+			}
+			lua_pop(L,1);
+		}
+ }
+ return 1;
+}
+
+TOLUA_API int tolua_isuserdataarray
+ (lua_State* L, int lo, int dim, int def, tolua_Error* err)
+{
+	if (!tolua_istable(L,lo,def,err))
+		return 0;
+	else
+	{
+		int i;
+		for (i=1; i<=dim; ++i)
+		{
+			lua_pushnumber(L,i);
+			lua_gettable(L,lo);
+	  if (!(lua_isnil(L,-1) || lua_isuserdata(L,-1)) &&
+			    !(def && lua_isnil(L,-1))
+						)
+			{
+				err->index = lo;
+				err->array = 1;
+				err->type = "userdata";
+				return 0;
+			}
+			lua_pop(L,1);
+		}
+ }
+ return 1;
+}
+
+TOLUA_API int tolua_isusertypearray
+ (lua_State* L, int lo, const char* type, int dim, int def, tolua_Error* err)
+{
+	if (!tolua_istable(L,lo,def,err))
+		return 0;
+	else
+	{
+		int i;
+		for (i=1; i<=dim; ++i)
+		{
+			lua_pushnumber(L,i);
+			lua_gettable(L,lo);
+	  if (!(lua_isnil(L,-1) || lua_isuserdata(L,-1)) &&
+			    !(def && lua_isnil(L,-1))
+						)
+			{
+				err->index = lo;
+				err->type = type;
+				err->array = 1;
+				return 0;
+			}
+			lua_pop(L,1);
+		}
+ }
+ return 1;
+}
+
+#if 0
+int tolua_isbooleanfield
+ (lua_State* L, int lo, int i, int def, tolua_Error* err)
+{
+	lua_pushnumber(L,i);
+	lua_gettable(L,lo);
+	if (!(lua_isnil(L,-1) || lua_isboolean(L,-1)) &&
+			  !(def && lua_isnil(L,-1))
+				)
+	{
+		err->index = lo;
+		err->array = 1;
+		err->type = "boolean";
+		return 0;
+	}
+	lua_pop(L,1);
+ return 1;
+}
+
+int tolua_isnumberfield
+ (lua_State* L, int lo, int i, int def, tolua_Error* err)
+{
+	lua_pushnumber(L,i);
+	lua_gettable(L,lo);
+	if (!lua_isnumber(L,-1) &&
+			  !(def && lua_isnil(L,-1))
+				)
+	{
+		err->index = lo;
+		err->array = 1;
+		err->type = "number";
+		return 0;
+	}
+	lua_pop(L,1);
+ return 1;
+}
+
+int tolua_isstringfield
+ (lua_State* L, int lo, int i, int def, tolua_Error* err)
+{
+	lua_pushnumber(L,i);
+	lua_gettable(L,lo);
+ if (!(lua_isnil(L,-1) || lua_isstring(L,-1)) &&
+	    !(def && lua_isnil(L,-1))
+				)
+	{
+		err->index = lo;
+		err->array = 1;
+		err->type = "string";
+		return 0;
+	}
+	lua_pop(L,1);
+ return 1;
+}
+
+int tolua_istablefield
+ (lua_State* L, int lo, int i, int def, tolua_Error* err)
+{
+	lua_pushnumber(L,i+1);
+	lua_gettable(L,lo);
+	if (! lua_istable(L,-1) &&
+	    !(def && lua_isnil(L,-1))
+				)
+	{
+		err->index = lo;
+		err->array = 1;
+		err->type = "table";
+		return 0;
+	}
+	lua_pop(L,1);
+}
+
+int tolua_isusertablefield
+ (lua_State* L, int lo, const char* type, int i, int def, tolua_Error* err)
+{
+	lua_pushnumber(L,i);
+	lua_gettable(L,lo);
+	if (! lua_isusertable(L,-1,type) &&
+	    !(def && lua_isnil(L,-1))
+				)
+	{
+		err->index = lo;
+		err->array = 1;
+		err->type = type;
+		return 0;
+	}
+	lua_pop(L,1);
+ return 1;
+}
+
+int tolua_isuserdatafield
+ (lua_State* L, int lo, int i, int def, tolua_Error* err)
+{
+	lua_pushnumber(L,i);
+	lua_gettable(L,lo);
+	if (!(lua_isnil(L,-1) || lua_isuserdata(L,-1)) &&
+	    !(def && lua_isnil(L,-1))
+				)
+	{
+		err->index = lo;
+		err->array = 1;
+		err->type = "userdata";
+		return 0;
+	}
+	lua_pop(L,1);
+ return 1;
+}
+
+int tolua_isusertypefield
+ (lua_State* L, int lo, const char* type, int i, int def, tolua_Error* err)
+{
+	lua_pushnumber(L,i);
+	lua_gettable(L,lo);
+	if (!(lua_isnil(L,-1) || lua_isusertype(L,-1,type)) &&
+	    !(def && lua_isnil(L,-1))
+				)
+	{
+		err->index = lo;
+		err->type = type;
+		err->array = 1;
+		return 0;
+	}
+	lua_pop(L,1);
+ return 1;
+}
+
+#endif
diff --git a/lib/tolua++/src/lib/tolua_map.c b/lib/tolua++/src/lib/tolua_map.c
new file mode 100644
index 000000000..7c4a22336
--- /dev/null
+++ b/lib/tolua++/src/lib/tolua_map.c
@@ -0,0 +1,704 @@
+/* tolua: functions to map features
+** Support code for Lua bindings.
+** Written by Waldemar Celes
+** TeCGraf/PUC-Rio
+** Apr 2003
+** $Id: $
+*/
+
+/* This code is free software; you can redistribute it and/or modify it.
+** The software provided hereunder is on an "as is" basis, and
+** the author has no obligation to provide maintenance, support, updates,
+** enhancements, or modifications.
+*/
+
+#include "../../include/tolua++.h"
+#include "../../../lua/src/lauxlib.h"
+#include "tolua_event.h"
+
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <math.h>
+
+
+/* Create metatable
+	* Create and register new metatable
+*/
+static int tolua_newmetatable (lua_State* L, char* name)
+{
+	int r = luaL_newmetatable(L,name);
+
+	#ifdef LUA_VERSION_NUM /* only lua 5.1 */
+	if (r) {
+		lua_pushvalue(L, -1);
+		lua_pushstring(L, name);
+		lua_settable(L, LUA_REGISTRYINDEX); /* reg[mt] = type_name */
+	};
+	#endif
+
+	if (r)
+		tolua_classevents(L); /* set meta events */
+	lua_pop(L,1);
+	return r;
+}
+
+/* Map super classes
+	* It sets 'name' as being also a 'base', mapping all super classes of 'base' in 'name'
+*/
+static void mapsuper (lua_State* L, const char* name, const char* base)
+{
+	/* push registry.super */
+ lua_pushstring(L,"tolua_super");
+ lua_rawget(L,LUA_REGISTRYINDEX);    /* stack: super */
+	luaL_getmetatable(L,name);          /* stack: super mt */
+ lua_rawget(L,-2);                   /* stack: super table */
+	if (lua_isnil(L,-1))
+	{
+	 /* create table */
+		lua_pop(L,1);
+	 lua_newtable(L);                    /* stack: super table */
+	 luaL_getmetatable(L,name);          /* stack: super table mt */
+		lua_pushvalue(L,-2);                /* stack: super table mt table */
+		lua_rawset(L,-4);                   /* stack: super table */
+	}
+
+	/* set base as super class */
+	lua_pushstring(L,base);
+	lua_pushboolean(L,1);
+	lua_rawset(L,-3);                    /* stack: super table */
+
+	/* set all super class of base as super class of name */
+	luaL_getmetatable(L,base);          /* stack: super table base_mt */
+	lua_rawget(L,-3);                   /* stack: super table base_table */
+	if (lua_istable(L,-1))
+	{
+		/* traverse base table */
+		lua_pushnil(L);  /* first key */
+		while (lua_next(L,-2) != 0)
+		{
+			/* stack: ... base_table key value */
+			lua_pushvalue(L,-2);    /* stack: ... base_table key value key */
+			lua_insert(L,-2);       /* stack: ... base_table key key value */
+			lua_rawset(L,-5);       /* stack: ... base_table key */
+		}
+	}
+	lua_pop(L,3);                       /* stack: <empty> */
+}
+
+/* creates a 'tolua_ubox' table for base clases, and
+// expects the metatable and base metatable on the stack */
+static void set_ubox(lua_State* L) {
+
+	/* mt basemt */
+	if (!lua_isnil(L, -1)) {
+		lua_pushstring(L, "tolua_ubox");
+		lua_rawget(L,-2);
+	} else {
+		lua_pushnil(L);
+	};
+	/* mt basemt base_ubox */
+	if (!lua_isnil(L,-1)) {
+		lua_pushstring(L, "tolua_ubox");
+		lua_insert(L, -2);
+		/* mt basemt key ubox */
+		lua_rawset(L,-4);
+		/* (mt with ubox) basemt */
+	} else {
+		/* mt basemt nil */
+		lua_pop(L, 1);
+		lua_pushstring(L,"tolua_ubox"); lua_newtable(L);
+		/* make weak value metatable for ubox table to allow userdata to be
+		garbage-collected */
+		lua_newtable(L); lua_pushliteral(L, "__mode"); lua_pushliteral(L, "v"); lua_rawset(L, -3);               /* stack: string ubox mt */
+		lua_setmetatable(L, -2);  /* stack:mt basemt string ubox */
+		lua_rawset(L,-4);
+	};
+
+};
+
+/* Map inheritance
+	* It sets 'name' as derived from 'base' by setting 'base' as metatable of 'name'
+*/
+static void mapinheritance (lua_State* L, const char* name, const char* base)
+{
+	/* set metatable inheritance */
+	luaL_getmetatable(L,name);
+
+	if (base && *base)
+		luaL_getmetatable(L,base);
+	else {
+
+		if (lua_getmetatable(L, -1)) { /* already has a mt, we don't overwrite it */
+			lua_pop(L, 2);
+			return;
+		};
+		luaL_getmetatable(L,"tolua_commonclass");
+	};
+
+	set_ubox(L);
+
+	lua_setmetatable(L,-2);
+	lua_pop(L,1);
+}
+
+/* Object type
+*/
+static int tolua_bnd_type (lua_State* L)
+{
+	tolua_typename(L,lua_gettop(L));
+	return 1;
+}
+
+/* Take ownership
+*/
+static int tolua_bnd_takeownership (lua_State* L)
+{
+	int success = 0;
+	if (lua_isuserdata(L,1))
+	{
+		if (lua_getmetatable(L,1))        /* if metatable? */
+		{
+			lua_pop(L,1);             /* clear metatable off stack */
+			/* force garbage collection to avoid C to reuse a to-be-collected address */
+			#ifdef LUA_VERSION_NUM
+			lua_gc(L, LUA_GCCOLLECT, 0);
+			#else
+			lua_setgcthreshold(L,0);
+			#endif
+
+			success = tolua_register_gc(L,1);
+		}
+	}
+	lua_pushboolean(L,success!=0);
+	return 1;
+}
+
+/* Release ownership
+*/
+static int tolua_bnd_releaseownership (lua_State* L)
+{
+	int done = 0;
+	if (lua_isuserdata(L,1))
+	{
+		void* u = *((void**)lua_touserdata(L,1));
+		/* force garbage collection to avoid releasing a to-be-collected address */
+		#ifdef LUA_VERSION_NUM
+		lua_gc(L, LUA_GCCOLLECT, 0);
+		#else
+		lua_setgcthreshold(L,0);
+		#endif
+		lua_pushstring(L,"tolua_gc");
+		lua_rawget(L,LUA_REGISTRYINDEX);
+		lua_pushlightuserdata(L,u);
+		lua_rawget(L,-2);
+		lua_getmetatable(L,1);
+		if (lua_rawequal(L,-1,-2))  /* check that we are releasing the correct type */
+		{
+			lua_pushlightuserdata(L,u);
+			lua_pushnil(L);
+			lua_rawset(L,-5);
+			done = 1;
+		}
+	}
+	lua_pushboolean(L,done!=0);
+	return 1;
+}
+
+/* Type casting
+*/
+static int tolua_bnd_cast (lua_State* L)
+{
+
+/* // old code
+        void* v = tolua_tousertype(L,1,NULL);
+        const char* s = tolua_tostring(L,2,NULL);
+        if (v && s)
+         tolua_pushusertype(L,v,s);
+        else
+         lua_pushnil(L);
+        return 1;
+*/
+
+	void* v;
+	const char* s;
+	if (lua_islightuserdata(L, 1)) {
+		v = tolua_touserdata(L, 1, NULL);
+	} else {
+		v = tolua_tousertype(L, 1, 0);
+	};
+
+	s = tolua_tostring(L,2,NULL);
+	if (v && s)
+	 tolua_pushusertype(L,v,s);
+	else
+	 lua_pushnil(L);
+	return 1;
+}
+
+/* Inheritance
+*/
+static int tolua_bnd_inherit (lua_State* L) {
+
+	/* stack: lua object, c object */
+	lua_pushstring(L, ".c_instance");
+	lua_pushvalue(L, -2);
+	lua_rawset(L, -4);
+	/* l_obj[".c_instance"] = c_obj */
+
+	return 0;
+};
+
+#ifdef LUA_VERSION_NUM /* lua 5.1 */
+static int tolua_bnd_setpeer(lua_State* L) {
+
+	/* stack: userdata, table */
+	if (!lua_isuserdata(L, -2)) {
+		lua_pushstring(L, "Invalid argument #1 to setpeer: userdata expected.");
+		lua_error(L);
+	};
+	
+	if (lua_isnil(L, -1)) {
+
+		lua_pop(L, 1);
+		lua_pushvalue(L, TOLUA_NOPEER);
+	};
+	lua_setfenv(L, -2);
+
+	return 0;
+};
+
+static int tolua_bnd_getpeer(lua_State* L) {
+
+	/* stack: userdata */
+	lua_getfenv(L, -1);
+	if (lua_rawequal(L, -1, TOLUA_NOPEER)) {
+		lua_pop(L, 1);
+		lua_pushnil(L);
+	};
+	return 1;
+};
+#endif
+
+/* static int class_gc_event (lua_State* L); */
+
+TOLUA_API void tolua_open (lua_State* L)
+{
+ int top = lua_gettop(L);
+ lua_pushstring(L,"tolua_opened");
+ lua_rawget(L,LUA_REGISTRYINDEX);
+ if (!lua_isboolean(L,-1))
+ {
+  lua_pushstring(L,"tolua_opened"); lua_pushboolean(L,1); lua_rawset(L,LUA_REGISTRYINDEX);
+
+  #ifndef LUA_VERSION_NUM /* only prior to lua 5.1 */
+  /* create peer object table */
+  lua_pushstring(L, "tolua_peers"); lua_newtable(L);
+  /* make weak key metatable for peers indexed by userdata object */
+  lua_newtable(L); lua_pushliteral(L, "__mode"); lua_pushliteral(L, "k"); lua_rawset(L, -3);                /* stack: string peers mt */
+  lua_setmetatable(L, -2);   /* stack: string peers */
+  lua_rawset(L,LUA_REGISTRYINDEX);
+  #endif
+
+  /* create object ptr -> udata mapping table */
+  lua_pushstring(L,"tolua_ubox"); lua_newtable(L);
+  /* make weak value metatable for ubox table to allow userdata to be
+     garbage-collected */
+  lua_newtable(L); lua_pushliteral(L, "__mode"); lua_pushliteral(L, "v"); lua_rawset(L, -3);               /* stack: string ubox mt */
+  lua_setmetatable(L, -2);  /* stack: string ubox */
+  lua_rawset(L,LUA_REGISTRYINDEX);
+
+  lua_pushstring(L,"tolua_super"); lua_newtable(L); lua_rawset(L,LUA_REGISTRYINDEX);
+  lua_pushstring(L,"tolua_gc"); lua_newtable(L);lua_rawset(L,LUA_REGISTRYINDEX);
+
+  /* create gc_event closure */
+  lua_pushstring(L, "tolua_gc_event");
+  lua_pushstring(L, "tolua_gc");
+  lua_rawget(L, LUA_REGISTRYINDEX);
+  lua_pushstring(L, "tolua_super");
+  lua_rawget(L, LUA_REGISTRYINDEX);
+  lua_pushcclosure(L, class_gc_event, 2);
+  lua_rawset(L, LUA_REGISTRYINDEX);
+
+  tolua_newmetatable(L,"tolua_commonclass");
+
+  tolua_module(L,NULL,0);
+  tolua_beginmodule(L,NULL);
+  tolua_module(L,"tolua",0);
+  tolua_beginmodule(L,"tolua");
+  tolua_function(L,"type",tolua_bnd_type);
+  tolua_function(L,"takeownership",tolua_bnd_takeownership);
+  tolua_function(L,"releaseownership",tolua_bnd_releaseownership);
+  tolua_function(L,"cast",tolua_bnd_cast);
+  tolua_function(L,"inherit", tolua_bnd_inherit);
+  #ifdef LUA_VERSION_NUM /* lua 5.1 */
+  tolua_function(L, "setpeer", tolua_bnd_setpeer);
+  tolua_function(L, "getpeer", tolua_bnd_getpeer);
+  #endif
+
+  tolua_endmodule(L);
+  tolua_endmodule(L);
+ }
+ lua_settop(L,top);
+}
+
+/* Copy a C object
+*/
+TOLUA_API void* tolua_copy (lua_State* L, void* value, unsigned int size)
+{
+	void* clone = (void*)malloc(size);
+	if (clone)
+	 memcpy(clone,value,size);
+	else
+		tolua_error(L,"insuficient memory",NULL);
+	return clone;
+}
+
+/* Default collect function
+*/
+TOLUA_API int tolua_default_collect (lua_State* tolua_S)
+{
+ void* self = tolua_tousertype(tolua_S,1,0);
+ free(self);
+ return 0;
+}
+
+/* Do clone
+*/
+TOLUA_API int tolua_register_gc (lua_State* L, int lo)
+{
+ int success = 1;
+ void *value = *(void **)lua_touserdata(L,lo);
+ lua_pushstring(L,"tolua_gc");
+ lua_rawget(L,LUA_REGISTRYINDEX);
+	lua_pushlightuserdata(L,value);
+	lua_rawget(L,-2);
+	if (!lua_isnil(L,-1)) /* make sure that object is not already owned */
+		success = 0;
+	else
+	{
+		lua_pushlightuserdata(L,value);
+		lua_getmetatable(L,lo);
+		lua_rawset(L,-4);
+	}
+	lua_pop(L,2);
+	return success;
+}
+
+/* Register a usertype
+	* It creates the correspoding metatable in the registry, for both 'type' and 'const type'.
+	* It maps 'const type' as being also a 'type'
+*/
+TOLUA_API void tolua_usertype (lua_State* L, const char* type)
+{
+ char ctype[128] = "const ";
+ strncat(ctype,type,120);
+
+	/* create both metatables */
+ if (tolua_newmetatable(L,ctype) && tolua_newmetatable(L,type))
+	 mapsuper(L,type,ctype);             /* 'type' is also a 'const type' */
+}
+
+
+/* Begin module
+	* It pushes the module (or class) table on the stack
+*/
+TOLUA_API void tolua_beginmodule (lua_State* L, const char* name)
+{
+	if (name)
+	{
+	 lua_pushstring(L,name);
+		lua_rawget(L,-2);
+	}
+	else
+	 lua_pushvalue(L,LUA_GLOBALSINDEX);
+}
+
+/* End module
+	* It pops the module (or class) from the stack
+*/
+TOLUA_API void tolua_endmodule (lua_State* L)
+{
+	lua_pop(L,1);
+}
+
+/* Map module
+	* It creates a new module
+*/
+#if 1
+TOLUA_API void tolua_module (lua_State* L, const char* name, int hasvar)
+{
+	if (name)
+	{
+		/* tolua module */
+		lua_pushstring(L,name);
+		lua_rawget(L,-2);
+		if (!lua_istable(L,-1))  /* check if module already exists */
+		{
+			lua_pop(L,1);
+		 lua_newtable(L);
+		 lua_pushstring(L,name);
+			lua_pushvalue(L,-2);
+		 lua_rawset(L,-4);       /* assing module into module */
+		}
+	}
+	else
+	{
+		/* global table */
+		lua_pushvalue(L,LUA_GLOBALSINDEX);
+	}
+	if (hasvar)
+	{
+		if (!tolua_ismodulemetatable(L))  /* check if it already has a module metatable */
+		{
+			/* create metatable to get/set C/C++ variable */
+			lua_newtable(L);
+			tolua_moduleevents(L);
+			if (lua_getmetatable(L,-2))
+				lua_setmetatable(L,-2);  /* set old metatable as metatable of metatable */
+			lua_setmetatable(L,-2);
+		}
+	}
+	lua_pop(L,1);               /* pop module */
+}
+#else
+TOLUA_API void tolua_module (lua_State* L, const char* name, int hasvar)
+{
+	if (name)
+	{
+		/* tolua module */
+		lua_pushstring(L,name);
+		lua_newtable(L);
+	}
+	else
+	{
+		/* global table */
+		lua_pushvalue(L,LUA_GLOBALSINDEX);
+	}
+	if (hasvar)
+	{
+		/* create metatable to get/set C/C++ variable */
+		lua_newtable(L);
+		tolua_moduleevents(L);
+		if (lua_getmetatable(L,-2))
+			lua_setmetatable(L,-2);  /* set old metatable as metatable of metatable */
+		lua_setmetatable(L,-2);
+	}
+	if (name)
+		lua_rawset(L,-3);       /* assing module into module */
+	else
+		lua_pop(L,1);           /* pop global table */
+}
+#endif
+
+static void push_collector(lua_State* L, const char* type, lua_CFunction col) {
+
+	/* push collector function, but only if it's not NULL, or if there's no
+	   collector already */
+	if (!col) return;
+	luaL_getmetatable(L,type);
+	lua_pushstring(L,".collector");
+	/*
+	if (!col) {
+		lua_pushvalue(L, -1);
+		lua_rawget(L, -3);
+		if (!lua_isnil(L, -1)) {
+			lua_pop(L, 3);
+			return;
+		};
+		lua_pop(L, 1);
+	};
+	//	*/
+	lua_pushcfunction(L,col);
+
+	lua_rawset(L,-3);
+	lua_pop(L, 1);
+};
+
+/* Map C class
+	* It maps a C class, setting the appropriate inheritance and super classes.
+*/
+TOLUA_API void tolua_cclass (lua_State* L, const char* lname, const char* name, const char* base, lua_CFunction col)
+{
+	char cname[128] = "const ";
+	char cbase[128] = "const ";
+	strncat(cname,name,120);
+	strncat(cbase,base,120);
+
+	mapinheritance(L,name,base);
+	mapinheritance(L,cname,name);
+
+	mapsuper(L,cname,cbase);
+	mapsuper(L,name,base);
+
+	lua_pushstring(L,lname);
+	
+	push_collector(L, name, col);
+	/*
+	luaL_getmetatable(L,name);
+	lua_pushstring(L,".collector");
+	lua_pushcfunction(L,col);
+
+	lua_rawset(L,-3);
+	*/
+	
+	luaL_getmetatable(L,name);
+	lua_rawset(L,-3);              /* assign class metatable to module */
+
+	/* now we also need to store the collector table for the const
+	   instances of the class */
+	push_collector(L, cname, col);
+	/*
+	luaL_getmetatable(L,cname);
+	lua_pushstring(L,".collector");
+	lua_pushcfunction(L,col);
+	lua_rawset(L,-3);
+	lua_pop(L,1);
+	*/
+	
+
+}
+
+/* Add base
+	* It adds additional base classes to a class (for multiple inheritance)
+	* (not for now)
+TOLUA_API void tolua_addbase(lua_State* L, char* name, char* base) {
+
+	char cname[128] = "const ";
+	char cbase[128] = "const ";
+	strncat(cname,name,120);
+	strncat(cbase,base,120);
+
+	mapsuper(L,cname,cbase);
+	mapsuper(L,name,base);
+};
+*/
+
+/* Map function
+	* It assigns a function into the current module (or class)
+*/
+TOLUA_API void tolua_function (lua_State* L, const char* name, lua_CFunction func)
+{
+ lua_pushstring(L,name);
+ lua_pushcfunction(L,func);
+	lua_rawset(L,-3);
+}
+
+/* sets the __call event for the class (expects the class' main table on top) */
+/*	never really worked :(
+TOLUA_API void tolua_set_call_event(lua_State* L, lua_CFunction func, char* type) {
+
+	lua_getmetatable(L, -1);
+	//luaL_getmetatable(L, type);
+	lua_pushstring(L,"__call");
+	lua_pushcfunction(L,func);
+	lua_rawset(L,-3);
+	lua_pop(L, 1);
+};
+*/
+
+/* Map constant number
+	* It assigns a constant number into the current module (or class)
+*/
+TOLUA_API void tolua_constant (lua_State* L, const char* name, lua_Number value)
+{
+	lua_pushstring(L,name);
+	tolua_pushnumber(L,value);
+	lua_rawset(L,-3);
+}
+
+
+/* Map variable
+	* It assigns a variable into the current module (or class)
+*/
+TOLUA_API void tolua_variable (lua_State* L, const char* name, lua_CFunction get, lua_CFunction set)
+{
+	/* get func */
+	lua_pushstring(L,".get");
+	lua_rawget(L,-2);
+	if (!lua_istable(L,-1))
+	{
+		/* create .get table, leaving it at the top */
+		lua_pop(L,1);
+		lua_newtable(L);
+	 lua_pushstring(L,".get");
+		lua_pushvalue(L,-2);
+		lua_rawset(L,-4);
+	}
+	lua_pushstring(L,name);
+	lua_pushcfunction(L,get);
+ lua_rawset(L,-3);                  /* store variable */
+	lua_pop(L,1);                      /* pop .get table */
+
+	/* set func */
+	if (set)
+	{
+		lua_pushstring(L,".set");
+		lua_rawget(L,-2);
+		if (!lua_istable(L,-1))
+		{
+			/* create .set table, leaving it at the top */
+			lua_pop(L,1);
+			lua_newtable(L);
+			lua_pushstring(L,".set");
+			lua_pushvalue(L,-2);
+			lua_rawset(L,-4);
+		}
+		lua_pushstring(L,name);
+		lua_pushcfunction(L,set);
+		lua_rawset(L,-3);                  /* store variable */
+		lua_pop(L,1);                      /* pop .set table */
+	}
+}
+
+/* Access const array
+	* It reports an error when trying to write into a const array
+*/
+static int const_array (lua_State* L)
+{
+ luaL_error(L,"value of const array cannot be changed");
+ return 0;
+}
+
+/* Map an array
+	* It assigns an array into the current module (or class)
+*/
+TOLUA_API void tolua_array (lua_State* L, const char* name, lua_CFunction get, lua_CFunction set)
+{
+	lua_pushstring(L,".get");
+	lua_rawget(L,-2);
+	if (!lua_istable(L,-1))
+	{
+		/* create .get table, leaving it at the top */
+		lua_pop(L,1);
+		lua_newtable(L);
+	 lua_pushstring(L,".get");
+		lua_pushvalue(L,-2);
+		lua_rawset(L,-4);
+	}
+	lua_pushstring(L,name);
+
+ lua_newtable(L);           /* create array metatable */
+ lua_pushvalue(L,-1);
+	lua_setmetatable(L,-2);    /* set the own table as metatable (for modules) */
+ lua_pushstring(L,"__index");
+ lua_pushcfunction(L,get);
+	lua_rawset(L,-3);
+ lua_pushstring(L,"__newindex");
+ lua_pushcfunction(L,set?set:const_array);
+	lua_rawset(L,-3);
+
+ lua_rawset(L,-3);                  /* store variable */
+	lua_pop(L,1);                      /* pop .get table */
+}
+
+
+TOLUA_API void tolua_dobuffer(lua_State* L, char* B, unsigned int size, const char* name) {
+
+ #ifdef LUA_VERSION_NUM /* lua 5.1 */
+ luaL_loadbuffer(L, B, size, name) || lua_pcall(L, 0, 0, 0);
+ #else
+ lua_dobuffer(L, B, size, name);
+ #endif
+};
+
diff --git a/lib/tolua++/src/lib/tolua_push.c b/lib/tolua++/src/lib/tolua_push.c
new file mode 100644
index 000000000..947f0e7a5
--- /dev/null
+++ b/lib/tolua++/src/lib/tolua_push.c
@@ -0,0 +1,171 @@
+/* tolua: functions to push C values.
+** Support code for Lua bindings.
+** Written by Waldemar Celes
+** TeCGraf/PUC-Rio
+** Apr 2003
+** $Id: $
+*/
+
+/* This code is free software; you can redistribute it and/or modify it.
+** The software provided hereunder is on an "as is" basis, and
+** the author has no obligation to provide maintenance, support, updates,
+** enhancements, or modifications.
+*/
+
+#include "../../include/tolua++.h"
+#include "../../../lua/src/lauxlib.h"
+
+#include <stdlib.h>
+
+TOLUA_API void tolua_pushvalue (lua_State* L, int lo)
+{
+ lua_pushvalue(L,lo);
+}
+
+TOLUA_API void tolua_pushboolean (lua_State* L, int value)
+{
+ lua_pushboolean(L,value);
+}
+
+TOLUA_API void tolua_pushnumber (lua_State* L, lua_Number value)
+{
+ lua_pushnumber(L,value);
+}
+
+TOLUA_API void tolua_pushstring (lua_State* L, const char* value)
+{
+ if (value == NULL)
+  lua_pushnil(L);
+ else
+  lua_pushstring(L,value);
+}
+
+TOLUA_API void tolua_pushuserdata (lua_State* L, void* value)
+{
+ if (value == NULL)
+  lua_pushnil(L);
+ else
+  lua_pushlightuserdata(L,value);
+}
+
+TOLUA_API void tolua_pushusertype (lua_State* L, void* value, const char* type)
+{
+ if (value == NULL)
+  lua_pushnil(L);
+ else
+ {
+  luaL_getmetatable(L, type);
+  lua_pushstring(L,"tolua_ubox");
+  lua_rawget(L,-2);        /* stack: mt ubox */
+  if (lua_isnil(L, -1)) {
+	  lua_pop(L, 1);
+	  lua_pushstring(L, "tolua_ubox");
+	  lua_rawget(L, LUA_REGISTRYINDEX);
+  };
+  lua_pushlightuserdata(L,value);
+  lua_rawget(L,-2);                       /* stack: mt ubox ubox[u] */
+  if (lua_isnil(L,-1))
+  {
+   lua_pop(L,1);                          /* stack: mt ubox */
+   lua_pushlightuserdata(L,value);
+   *(void**)lua_newuserdata(L,sizeof(void *)) = value;   /* stack: mt ubox u newud */
+   lua_pushvalue(L,-1);                   /* stack: mt ubox u newud newud */
+   lua_insert(L,-4);                      /* stack: mt newud ubox u newud */
+   lua_rawset(L,-3);                      /* stack: mt newud ubox */
+   lua_pop(L,1);                          /* stack: mt newud */
+   /*luaL_getmetatable(L,type);*/
+   lua_pushvalue(L, -2);			/* stack: mt newud mt */
+   lua_setmetatable(L,-2);			/* stack: mt newud */
+
+   #ifdef LUA_VERSION_NUM
+   lua_pushvalue(L, TOLUA_NOPEER);
+   lua_setfenv(L, -2);
+   #endif
+  }
+  else
+  {
+   /* check the need of updating the metatable to a more specialized class */
+   lua_insert(L,-2);                       /* stack: mt ubox[u] ubox */
+   lua_pop(L,1);                           /* stack: mt ubox[u] */
+   lua_pushstring(L,"tolua_super");
+   lua_rawget(L,LUA_REGISTRYINDEX);        /* stack: mt ubox[u] super */
+   lua_getmetatable(L,-2);                 /* stack: mt ubox[u] super mt */
+   lua_rawget(L,-2);                       /* stack: mt ubox[u] super super[mt] */
+			if (lua_istable(L,-1))
+			{
+				lua_pushstring(L,type);                 /* stack: mt ubox[u] super super[mt] type */
+				lua_rawget(L,-2);                       /* stack: mt ubox[u] super super[mt] flag */
+				if (lua_toboolean(L,-1) == 1)   /* if true */
+				{
+					lua_pop(L,3);	/* mt ubox[u]*/
+					lua_remove(L, -2);
+					return;
+				}
+			}
+			/* type represents a more specilized type */
+			/*luaL_getmetatable(L,type);             // stack: mt ubox[u] super super[mt] flag mt */
+			lua_pushvalue(L, -5);					/* stack: mt ubox[u] super super[mt] flag mt */
+			lua_setmetatable(L,-5);                /* stack: mt ubox[u] super super[mt] flag */
+			lua_pop(L,3);                          /* stack: mt ubox[u] */
+  }
+  lua_remove(L, -2);	/* stack: ubox[u]*/
+ }
+}
+
+TOLUA_API void tolua_pushusertype_and_takeownership (lua_State* L, void* value, const char* type)
+{
+	tolua_pushusertype(L,value,type);
+	tolua_register_gc(L,lua_gettop(L));
+}
+
+TOLUA_API void tolua_pushfieldvalue (lua_State* L, int lo, int index, int v)
+{
+ lua_pushnumber(L,index);
+ lua_pushvalue(L,v);
+ lua_settable(L,lo);
+}
+
+TOLUA_API void tolua_pushfieldboolean (lua_State* L, int lo, int index, int v)
+{
+ lua_pushnumber(L,index);
+ lua_pushboolean(L,v);
+ lua_settable(L,lo);
+}
+
+
+TOLUA_API void tolua_pushfieldnumber (lua_State* L, int lo, int index, lua_Number v)
+{
+ lua_pushnumber(L,index);
+ tolua_pushnumber(L,v);
+ lua_settable(L,lo);
+}
+
+TOLUA_API void tolua_pushfieldstring (lua_State* L, int lo, int index, const char* v)
+{
+ lua_pushnumber(L,index);
+ tolua_pushstring(L,v);
+ lua_settable(L,lo);
+}
+
+TOLUA_API void tolua_pushfielduserdata (lua_State* L, int lo, int index, void* v)
+{
+ lua_pushnumber(L,index);
+ tolua_pushuserdata(L,v);
+ lua_settable(L,lo);
+}
+
+TOLUA_API void tolua_pushfieldusertype (lua_State* L, int lo, int index, void* v, const char* type)
+{
+ lua_pushnumber(L,index);
+ tolua_pushusertype(L,v,type);
+ lua_settable(L,lo);
+}
+
+TOLUA_API void tolua_pushfieldusertype_and_takeownership (lua_State* L, int lo, int index, void* v, const char* type)
+{
+ lua_pushnumber(L,index);
+ tolua_pushusertype(L,v,type);
+	tolua_register_gc(L,lua_gettop(L));
+ lua_settable(L,lo);
+}
+
diff --git a/lib/tolua++/src/lib/tolua_to.c b/lib/tolua++/src/lib/tolua_to.c
new file mode 100644
index 000000000..04132e901
--- /dev/null
+++ b/lib/tolua++/src/lib/tolua_to.c
@@ -0,0 +1,133 @@
+/* tolua: funcitons to convert to C types
+** Support code for Lua bindings.
+** Written by Waldemar Celes
+** TeCGraf/PUC-Rio
+** Apr 2003
+** $Id: $
+*/
+
+/* This code is free software; you can redistribute it and/or modify it.
+** The software provided hereunder is on an "as is" basis, and
+** the author has no obligation to provide maintenance, support, updates,
+** enhancements, or modifications.
+*/
+
+#include "../../include/tolua++.h"
+
+#include <string.h>
+#include <stdlib.h>
+
+TOLUA_API lua_Number tolua_tonumber (lua_State* L, int narg, lua_Number def)
+{
+ return lua_gettop(L)<abs(narg) ? def : lua_tonumber(L,narg);
+}
+
+TOLUA_API const char* tolua_tostring (lua_State* L, int narg, const char* def)
+{
+ return lua_gettop(L)<abs(narg) ? def : lua_tostring(L,narg);
+}
+
+TOLUA_API void* tolua_touserdata (lua_State* L, int narg, void* def)
+{
+	
+	/* return lua_gettop(L)<abs(narg) ? def : lua_touserdata(L,narg); */
+
+	if (lua_gettop(L)<abs(narg)) {
+ 		return def;
+	};
+	 
+	if (lua_islightuserdata(L, narg)) {
+	
+		return lua_touserdata(L,narg);
+	};
+	
+	return tolua_tousertype(L, narg, def);
+}
+
+extern int push_table_instance(lua_State* L, int lo);
+
+TOLUA_API void* tolua_tousertype (lua_State* L, int narg, void* def)
+{
+ if (lua_gettop(L)<abs(narg))
+  return def;
+ else
+ {
+  void* u;
+  if (!lua_isuserdata(L, narg)) {
+	  if (!push_table_instance(L, narg)) return NULL;
+  };
+  u = lua_touserdata(L,narg);
+  return (u==NULL) ? NULL : *((void**)u); /* nil represents NULL */
+ }
+}
+
+TOLUA_API int tolua_tovalue (lua_State* L, int narg, int def)
+{
+ return lua_gettop(L)<abs(narg) ? def : narg;
+}
+
+TOLUA_API int tolua_toboolean (lua_State* L, int narg, int def)
+{
+ return lua_gettop(L)<abs(narg) ?  def : lua_toboolean(L,narg);
+}
+
+TOLUA_API lua_Number tolua_tofieldnumber (lua_State* L, int lo, int index, lua_Number def)
+{
+ double v;
+ lua_pushnumber(L,index);
+ lua_gettable(L,lo);
+ v = lua_isnil(L,-1) ? def : lua_tonumber(L,-1);
+ lua_pop(L,1);
+ return v;
+}
+
+TOLUA_API const char* tolua_tofieldstring
+(lua_State* L, int lo, int index, const char* def)
+{
+ const char* v;
+ lua_pushnumber(L,index);
+ lua_gettable(L,lo);
+ v = lua_isnil(L,-1) ? def : lua_tostring(L,-1);
+ lua_pop(L,1);
+ return v;
+}
+
+TOLUA_API void* tolua_tofielduserdata (lua_State* L, int lo, int index, void* def)
+{
+ void* v;
+ lua_pushnumber(L,index);
+ lua_gettable(L,lo);
+ v = lua_isnil(L,-1) ? def : lua_touserdata(L,-1);
+ lua_pop(L,1);
+ return v;
+}
+
+TOLUA_API void* tolua_tofieldusertype (lua_State* L, int lo, int index, void* def)
+{
+ void* v;
+ lua_pushnumber(L,index);
+ lua_gettable(L,lo);
+ v = lua_isnil(L,-1) ? def : (*(void **)(lua_touserdata(L, -1))); /* lua_unboxpointer(L,-1); */
+ lua_pop(L,1);
+ return v;
+}
+
+TOLUA_API int tolua_tofieldvalue (lua_State* L, int lo, int index, int def)
+{
+ int v;
+ lua_pushnumber(L,index);
+ lua_gettable(L,lo);
+ v = lua_isnil(L,-1) ? def : lo;
+ lua_pop(L,1);
+ return v;
+}
+
+TOLUA_API int tolua_getfieldboolean (lua_State* L, int lo, int index, int def)
+{
+ int v;
+ lua_pushnumber(L,index);
+ lua_gettable(L,lo);
+ v = lua_isnil(L,-1) ? 0 : lua_toboolean(L,-1);
+ lua_pop(L,1);
+ return v;
+}