cuberite-2a/source/ManualBindings.cpp

#include "Globals.h"  // NOTE: MSVC stupidness requires this to be the same across all modules

#include "ManualBindings.h"
#include "tolua++.h"

#include "Root.h"
#include "World.h"
#include "Plugin.h"
#include "PluginLua.h"
#include "PluginManager.h"
#include "Entities/Player.h"
#include "WebAdmin.h"
#include "StringMap.h"
#include "ClientHandle.h"
#include "BlockEntities/ChestEntity.h"
#include "BlockEntities/DispenserEntity.h"
#include "BlockEntities/DropperEntity.h"
#include "BlockEntities/FurnaceEntity.h"
#include "md5/md5.h"
#include "LuaWindow.h"
#include "LineBlockTracer.h"





/****************************
 * Better error reporting for Lua
 **/
int tolua_do_error(lua_State* L, const char * a_pMsg, tolua_Error * a_pToLuaError)
{
	// Retrieve current function name
	lua_Debug entry;
	VERIFY(lua_getstack(L, 0, &entry));
	VERIFY(lua_getinfo(L, "n", &entry));

	// Insert function name into error msg
	AString msg(a_pMsg);
	ReplaceString(msg, "#funcname#", entry.name?entry.name:"?");

	// Send the error to Lua
	tolua_error(L, msg.c_str(), a_pToLuaError);
	return 0;
}





int lua_do_error(lua_State* L, const char * a_pFormat, ...)
{
	// Retrieve current function name
	lua_Debug entry;
	VERIFY(lua_getstack(L, 0, &entry));
	VERIFY(lua_getinfo(L, "n", &entry));

	// Insert function name into error msg
	AString msg(a_pFormat);
	ReplaceString(msg, "#funcname#", entry.name?entry.name:"?");

	// Copied from luaL_error and modified
	va_list argp;
	va_start(argp, a_pFormat);
	luaL_where(L, 1);
	lua_pushvfstring(L, msg.c_str(), argp);
	va_end(argp);
	lua_concat(L, 2);
	return lua_error(L);
}





/****************************
 * Lua bound functions with special return types
 **/

static int tolua_StringSplit(lua_State * tolua_S)
{
	cLuaState LuaState(tolua_S);
	std::string str   = (std::string)tolua_tocppstring(LuaState, 1, 0);
	std::string delim = (std::string)tolua_tocppstring(LuaState, 2, 0);

	AStringVector Split = StringSplit(str, delim);
	LuaState.Push(Split);
	return 1;
}





static int tolua_LOG(lua_State* tolua_S)
{
	const char* str = tolua_tocppstring(tolua_S,1,0);
	cMCLogger::GetInstance()->LogSimple( str, 0 );
	return 0;
}





static int tolua_LOGINFO(lua_State* tolua_S)
{
	const char* str = tolua_tocppstring(tolua_S,1,0);
	cMCLogger::GetInstance()->LogSimple( str, 1 );
	return 0;
}





static int tolua_LOGWARN(lua_State* tolua_S)
{
	const char* str = tolua_tocppstring(tolua_S,1,0);
	cMCLogger::GetInstance()->LogSimple( str, 2 );
	return 0;
}





static int tolua_LOGERROR(lua_State* tolua_S)
{
	const char* str = tolua_tocppstring(tolua_S,1,0);
	cMCLogger::GetInstance()->LogSimple( str, 3 );
	return 0;
}





cPluginLua * GetLuaPlugin(lua_State * L)
{
	// Get the plugin identification out of LuaState:
	lua_getglobal(L, LUA_PLUGIN_INSTANCE_VAR_NAME);
	if (!lua_islightuserdata(L, -1))
	{
		LOGWARNING("%s: cannot get plugin instance, what have you done to my Lua state?", __FUNCTION__);
		lua_pop(L, 1);
		return NULL;
	}
	cPluginLua * Plugin = (cPluginLua *)lua_topointer(L, -1);
	lua_pop(L, 1);
	
	return Plugin;
}





template<
	class Ty1,
	class Ty2,
	bool (Ty1::*Func1)(const AString &, cItemCallback<Ty2> &)
	>
static int tolua_DoWith(lua_State* tolua_S)
{
	int NumArgs = lua_gettop(tolua_S) - 1;  /* This includes 'self' */
	if ((NumArgs != 2) && (NumArgs != 3))
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Requires 2 or 3 arguments, got %i", NumArgs);
	}

	Ty1 * self = (Ty1 *)  tolua_tousertype(tolua_S, 1, 0);

	const char * ItemName = tolua_tocppstring(tolua_S, 2, "");
	if ((ItemName == NULL) || (ItemName[0] == 0))
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Expected a non-empty string for parameter #1", NumArgs);
	}
	if (!lua_isfunction( tolua_S, 3))
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Expected a function for parameter #2", NumArgs);
	}

	/* luaL_ref gets reference to value on top of the stack, the table is the last argument and therefore on the top */
	int TableRef = LUA_REFNIL;
	if (NumArgs == 3)
	{
		TableRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
		if (TableRef == LUA_REFNIL)
		{
			return lua_do_error(tolua_S, "Error in function call '#funcname#': Could not get value reference of parameter #3", NumArgs);
		}
	}

	/* table value is popped, and now function is on top of the stack */
	int FuncRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
	if (FuncRef == LUA_REFNIL)
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Could not get function reference of parameter #2", NumArgs);
	}

	class cLuaCallback : public cItemCallback<Ty2>
	{
	public:
		cLuaCallback(lua_State* a_LuaState, int a_FuncRef, int a_TableRef)
			: LuaState( a_LuaState )
			, FuncRef( a_FuncRef )
			, TableRef( a_TableRef )
		{}

	private:
		virtual bool Item(Ty2 * a_Item) override
		{
			lua_rawgeti( LuaState, LUA_REGISTRYINDEX, FuncRef);  /* Push function reference */
			tolua_pushusertype(LuaState, a_Item, Ty2::GetClassStatic());
			if (TableRef != LUA_REFNIL)
			{
				lua_rawgeti( LuaState, LUA_REGISTRYINDEX, TableRef);  /* Push table reference */
			}

			int s = lua_pcall(LuaState, (TableRef == LUA_REFNIL ? 1 : 2), 1, 0);
			if (cLuaState::ReportErrors(LuaState, s))
			{
				return true;  // Abort enumeration
			}
			if (lua_isboolean(LuaState, -1))
			{
				return (tolua_toboolean(LuaState, -1, 0) > 0);
			}
			return false;  /* Continue enumeration */
		}
		lua_State * LuaState;
		int FuncRef;
		int TableRef;
	} Callback(tolua_S, FuncRef, TableRef);

	
	bool bRetVal = (self->*Func1)(ItemName, Callback);

	/* Unreference the values again, so the LUA_REGISTRYINDEX can make place for other references */
	luaL_unref(tolua_S, LUA_REGISTRYINDEX, TableRef);
	luaL_unref(tolua_S, LUA_REGISTRYINDEX, FuncRef);

	/* Push return value on stack */
	tolua_pushboolean(tolua_S, bRetVal );
	return 1;
}





template<
	class Ty1,
	class Ty2,
	bool (Ty1::*Func1)(int, cItemCallback<Ty2> &)
>
static int tolua_DoWithID(lua_State* tolua_S)
{
	int NumArgs = lua_gettop(tolua_S) - 1;  /* This includes 'self' */
	if ((NumArgs != 2) && (NumArgs != 3))
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Requires 2 or 3 arguments, got %i", NumArgs);
	}

	Ty1 * self = (Ty1 *)tolua_tousertype(tolua_S, 1, 0);

	int ItemID = (int)tolua_tonumber(tolua_S, 2, 0);
	if (!lua_isfunction(tolua_S, 3))
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Expected a function for parameter #2", NumArgs);
	}

	/* luaL_ref gets reference to value on top of the stack, the table is the last argument and therefore on the top */
	int TableRef = LUA_REFNIL;
	if (NumArgs == 3)
	{
		TableRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
		if (TableRef == LUA_REFNIL)
		{
			return lua_do_error(tolua_S, "Error in function call '#funcname#': Could not get value reference of parameter #3", NumArgs);
		}
	}

	/* table value is popped, and now function is on top of the stack */
	int FuncRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
	if (FuncRef == LUA_REFNIL)
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Could not get function reference of parameter #2", NumArgs);
	}

	class cLuaCallback : public cItemCallback<Ty2>
	{
	public:
		cLuaCallback(lua_State * a_LuaState, int a_FuncRef, int a_TableRef) :
			LuaState(a_LuaState),
			FuncRef(a_FuncRef),
			TableRef(a_TableRef)
		{}

	private:
		virtual bool Item(Ty2 * a_Item) override
		{
			lua_rawgeti(LuaState, LUA_REGISTRYINDEX, FuncRef);            // Push function to call
			tolua_pushusertype(LuaState, a_Item, Ty2::GetClassStatic());  // Push the item
			if (TableRef != LUA_REFNIL)
			{
				lua_rawgeti(LuaState, LUA_REGISTRYINDEX, TableRef);         // Push the optional callbackdata param
			}

			int s = lua_pcall(LuaState, (TableRef == LUA_REFNIL ? 1 : 2), 1, 0);
			if (cLuaState::ReportErrors(LuaState, s))
			{
				return true;  // Abort enumeration
			}
			if (lua_isboolean(LuaState, -1))
			{
				return (tolua_toboolean(LuaState, -1, 0) > 0);
			}
			return false;  /* Continue enumeration */
		}
		lua_State * LuaState;
		int FuncRef;
		int TableRef;
	} Callback(tolua_S, FuncRef, TableRef);

	
	bool bRetVal = (self->*Func1)(ItemID, Callback);

	/* Unreference the values again, so the LUA_REGISTRYINDEX can make place for other references */
	luaL_unref(tolua_S, LUA_REGISTRYINDEX, TableRef);
	luaL_unref(tolua_S, LUA_REGISTRYINDEX, FuncRef);

	/* Push return value on stack */
	tolua_pushboolean(tolua_S, bRetVal );
	return 1;
}





template<
	class Ty1,
	class Ty2,
	bool (Ty1::*Func1)(int, int, int, cItemCallback<Ty2> &)
>
static int tolua_DoWithXYZ(lua_State* tolua_S)
{
	int NumArgs = lua_gettop(tolua_S) - 1;  /* This includes 'self' */
	if ((NumArgs != 4) && (NumArgs != 5))
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Requires 4 or 5 arguments, got %i", NumArgs);
	}

	Ty1 * self = (Ty1 *)  tolua_tousertype(tolua_S, 1, 0);
	if (!lua_isnumber(tolua_S, 2) || !lua_isnumber(tolua_S, 3) || !lua_isnumber(tolua_S, 4))
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Expected a number for parameters #1, #2 and #3");
	}

	int ItemX = ((int)tolua_tonumber(tolua_S, 2, 0));
	int ItemY = ((int)tolua_tonumber(tolua_S, 3, 0));
	int ItemZ = ((int)tolua_tonumber(tolua_S, 4, 0));
	LOG("x %i y %i z %i", ItemX, ItemY, ItemZ );
	if (!lua_isfunction( tolua_S, 5))
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Expected a function for parameter #4");
	}

	/* luaL_ref gets reference to value on top of the stack, the table is the last argument and therefore on the top */
	int TableRef = LUA_REFNIL;
	if (NumArgs == 5)
	{
		TableRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
		if (TableRef == LUA_REFNIL)
		{
			return lua_do_error(tolua_S, "Error in function call '#funcname#': Could not get value reference of parameter #5");
		}
	}

	/* table value is popped, and now function is on top of the stack */
	int FuncRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
	if (FuncRef == LUA_REFNIL)
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Could not get function reference of parameter #4");
	}

	class cLuaCallback : public cItemCallback<Ty2>
	{
	public:
		cLuaCallback(lua_State* a_LuaState, int a_FuncRef, int a_TableRef)
			: LuaState( a_LuaState )
			, FuncRef( a_FuncRef )
			, TableRef( a_TableRef )
		{}

	private:
		virtual bool Item(Ty2 * a_Item) override
		{
			lua_rawgeti( LuaState, LUA_REGISTRYINDEX, FuncRef);  /* Push function reference */
			tolua_pushusertype(LuaState, a_Item, Ty2::GetClassStatic());
			if (TableRef != LUA_REFNIL)
			{
				lua_rawgeti( LuaState, LUA_REGISTRYINDEX, TableRef);  /* Push table reference */
			}

			int s = lua_pcall(LuaState, (TableRef == LUA_REFNIL ? 1 : 2), 1, 0);
			if (cLuaState::ReportErrors(LuaState, s))
			{
				return true;  // Abort enumeration
			}
			if (lua_isboolean(LuaState, -1))
			{
				return (tolua_toboolean(LuaState, -1, 0) > 0);
			}
			return false;  /* Continue enumeration */
		}
		lua_State * LuaState;
		int FuncRef;
		int TableRef;
	} Callback(tolua_S, FuncRef, TableRef);

	bool bRetVal = (self->*Func1)(ItemX, ItemY, ItemZ, Callback);

	/* Unreference the values again, so the LUA_REGISTRYINDEX can make place for other references */
	luaL_unref(tolua_S, LUA_REGISTRYINDEX, TableRef);
	luaL_unref(tolua_S, LUA_REGISTRYINDEX, FuncRef);

	/* Push return value on stack */
	tolua_pushboolean(tolua_S, bRetVal );
	return 1;
}





template< class Ty1,
          class Ty2,
          bool (Ty1::*Func1)(int, int, cItemCallback<Ty2> &) >
static int tolua_ForEachInChunk(lua_State* tolua_S)
{
	int NumArgs = lua_gettop(tolua_S) - 1;  /* This includes 'self' */
	if ((NumArgs != 3) && (NumArgs != 4))
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Requires 3 or 4 arguments, got %i", NumArgs);
	}

	Ty1 * self = (Ty1 *)  tolua_tousertype(tolua_S, 1, 0);
	if (!lua_isnumber(tolua_S, 2) || !lua_isnumber(tolua_S, 3))
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Expected a number for parameters #1 and #2");
	}

	int ChunkX = ((int)tolua_tonumber(tolua_S, 2, 0));
	int ChunkZ = ((int)tolua_tonumber(tolua_S, 3, 0));

	if (!lua_isfunction( tolua_S, 4))
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Expected a function for parameter #3");
	}

	/* luaL_ref gets reference to value on top of the stack, the table is the last argument and therefore on the top */
	int TableRef = LUA_REFNIL;
	if (NumArgs == 4)
	{
		TableRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
		if (TableRef == LUA_REFNIL)
		{
			return lua_do_error(tolua_S, "Error in function call '#funcname#': Could not get value reference of parameter #4");
		}
	}

	/* table value is popped, and now function is on top of the stack */
	int FuncRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
	if (FuncRef == LUA_REFNIL)
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Could not get function reference of parameter #3");
	}

	class cLuaCallback : public cItemCallback<Ty2>
	{
	public:
		cLuaCallback(lua_State* a_LuaState, int a_FuncRef, int a_TableRef)
			: LuaState( a_LuaState )
			, FuncRef( a_FuncRef )
			, TableRef( a_TableRef )
		{}

	private:
		virtual bool Item(Ty2 * a_Item) override
		{
			lua_rawgeti( LuaState, LUA_REGISTRYINDEX, FuncRef);  /* Push function reference */
			tolua_pushusertype(LuaState, a_Item, Ty2::GetClassStatic());
			if (TableRef != LUA_REFNIL)
			{
				lua_rawgeti( LuaState, LUA_REGISTRYINDEX, TableRef);  /* Push table reference */
			}

			int s = lua_pcall(LuaState, (TableRef == LUA_REFNIL ? 1 : 2), 1, 0);
			if (cLuaState::ReportErrors(LuaState, s))
			{
				return true;  /* Abort enumeration */
			}

			if (lua_isboolean(LuaState, -1))
			{
				return (tolua_toboolean(LuaState, -1, 0) > 0);
			}
			return false;  /* Continue enumeration */
		}
		lua_State * LuaState;
		int FuncRef;
		int TableRef;
	} Callback(tolua_S, FuncRef, TableRef);

	bool bRetVal = (self->*Func1)(ChunkX, ChunkZ, Callback);

	/* Unreference the values again, so the LUA_REGISTRYINDEX can make place for other references */
	luaL_unref(tolua_S, LUA_REGISTRYINDEX, TableRef);
	luaL_unref(tolua_S, LUA_REGISTRYINDEX, FuncRef);

	/* Push return value on stack */
	tolua_pushboolean(tolua_S, bRetVal );
	return 1;
}





template< class Ty1,
          class Ty2,
          bool (Ty1::*Func1)(cItemCallback<Ty2> &) >
static int tolua_ForEach(lua_State * tolua_S)
{
	int NumArgs = lua_gettop(tolua_S) - 1;  /* This includes 'self' */
	if( NumArgs != 1 && NumArgs != 2)
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Requires 1 or 2 arguments, got %i", NumArgs);
	}

	Ty1 * self = (Ty1 *)  tolua_tousertype(tolua_S, 1, 0);
	if (self == NULL)
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Not called on an object instance");
	}

	if (!lua_isfunction( tolua_S, 2))
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Expected a function for parameter #1");
	}

	/* luaL_ref gets reference to value on top of the stack, the table is the last argument and therefore on the top */
	int TableRef = LUA_REFNIL;
	if (NumArgs == 2)
	{
		TableRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
		if (TableRef == LUA_REFNIL)
		{
			return lua_do_error(tolua_S, "Error in function call '#funcname#': Could not get value reference of parameter #2");
		}
	}

	/* table value is popped, and now function is on top of the stack */
	int FuncRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
	if (FuncRef == LUA_REFNIL)
	{
		return lua_do_error(tolua_S, "Error in function call '#funcname#': Could not get function reference of parameter #1");
	}

	class cLuaCallback : public cItemCallback<Ty2>
	{
	public:
		cLuaCallback(lua_State* a_LuaState, int a_FuncRef, int a_TableRef)
			: LuaState( a_LuaState )
			, FuncRef( a_FuncRef )
			, TableRef( a_TableRef )
		{}

	private:
		virtual bool Item(Ty2 * a_Item) override
		{
			lua_rawgeti( LuaState, LUA_REGISTRYINDEX, FuncRef);  /* Push function reference */
			tolua_pushusertype( LuaState, a_Item, Ty2::GetClassStatic() );
			if (TableRef != LUA_REFNIL)
			{
				lua_rawgeti( LuaState, LUA_REGISTRYINDEX, TableRef);  /* Push table reference */
			}

			int s = lua_pcall(LuaState, (TableRef == LUA_REFNIL ? 1 : 2), 1, 0);
			if (cLuaState::ReportErrors(LuaState, s))
			{
				return true;  /* Abort enumeration */
			}

			if (lua_isboolean(LuaState, -1))
			{
				return (tolua_toboolean( LuaState, -1, 0) > 0);
			}
			return false;  /* Continue enumeration */
		}
		lua_State * LuaState;
		int FuncRef;
		int TableRef;
	} Callback(tolua_S, FuncRef, TableRef);

	bool bRetVal = (self->*Func1)(Callback);

	/* Unreference the values again, so the LUA_REGISTRYINDEX can make place for other references */
	luaL_unref(tolua_S, LUA_REGISTRYINDEX, TableRef);
	luaL_unref(tolua_S, LUA_REGISTRYINDEX, FuncRef);

	/* Push return value on stack */
	tolua_pushboolean(tolua_S, bRetVal );
	return 1;
}





static int tolua_cWorld_SetSignLines(lua_State * tolua_S)
{
	// Exported manually, because tolua would generate useless additional return values (a_Line1 .. a_Line4)
	#ifndef TOLUA_RELEASE
	tolua_Error tolua_err;
	if (
		!tolua_isusertype (tolua_S, 1, "cWorld", 0, &tolua_err) ||
		!tolua_isnumber   (tolua_S, 2, 0, &tolua_err) ||
		!tolua_isnumber   (tolua_S, 3, 0, &tolua_err) ||
		!tolua_isnumber   (tolua_S, 4, 0, &tolua_err) ||
		!tolua_iscppstring(tolua_S, 5, 0, &tolua_err) ||
		!tolua_iscppstring(tolua_S, 6, 0, &tolua_err) ||
		!tolua_iscppstring(tolua_S, 7, 0, &tolua_err) ||
		!tolua_iscppstring(tolua_S, 8, 0, &tolua_err) ||
		!tolua_isusertype (tolua_S, 9, "cPlayer", 1, &tolua_err) ||
		!tolua_isnoobj    (tolua_S, 10, &tolua_err)
		)
		goto tolua_lerror;
	else
	#endif
	{
		cWorld * self       = (cWorld *) tolua_tousertype (tolua_S, 1, 0);
		int BlockX          = (int)      tolua_tonumber   (tolua_S, 2, 0);
		int BlockY          = (int)      tolua_tonumber   (tolua_S, 3, 0);
		int BlockZ          = (int)      tolua_tonumber   (tolua_S, 4, 0);
		const AString Line1 =            tolua_tocppstring(tolua_S, 5, 0);
		const AString Line2 =            tolua_tocppstring(tolua_S, 6, 0);
		const AString Line3 =            tolua_tocppstring(tolua_S, 7, 0);
		const AString Line4 =            tolua_tocppstring(tolua_S, 8, 0);
		cPlayer * Player    = (cPlayer *)tolua_tousertype (tolua_S, 9, NULL);
		#ifndef TOLUA_RELEASE
		if (self == NULL)
		{
			tolua_error(tolua_S, "invalid 'self' in function 'SetSignLines' / 'UpdateSign'", NULL);
		}
		#endif
		{
			bool res = self->UpdateSign(BlockX, BlockY, BlockZ, Line1, Line2, Line3, Line4, Player);
			tolua_pushboolean(tolua_S, res ? 1 : 0);
		}
	}
	return 1;
	
	#ifndef TOLUA_RELEASE
tolua_lerror:
	tolua_error(tolua_S, "#ferror in function 'SetSignLines' / 'UpdateSign'.", &tolua_err);
	return 0;
	#endif
}




static int tolua_cWorld_TryGetHeight(lua_State * tolua_S)
{
	// Exported manually, because tolua would require the out-only param a_Height to be used when calling
	// Takes (a_World,) a_BlockX, a_BlockZ
	// Returns Height, IsValid
	#ifndef TOLUA_RELEASE
	tolua_Error tolua_err;
	if (
		!tolua_isusertype (tolua_S, 1, "cWorld", 0, &tolua_err) ||
		!tolua_isnumber   (tolua_S, 2, 0, &tolua_err) ||
		!tolua_isnumber   (tolua_S, 3, 0, &tolua_err) ||
		!tolua_isnoobj    (tolua_S, 4, &tolua_err)
		)
		goto tolua_lerror;
	else
	#endif
	{
		cWorld * self       = (cWorld *) tolua_tousertype (tolua_S, 1, 0);
		int BlockX          = (int)      tolua_tonumber   (tolua_S, 2, 0);
		int BlockZ          = (int)      tolua_tonumber   (tolua_S, 3, 0);
		#ifndef TOLUA_RELEASE
		if (self == NULL)
		{
			tolua_error(tolua_S, "Invalid 'self' in function 'TryGetHeight'", NULL);
		}
		#endif
		{
			int Height = 0;
			bool res = self->TryGetHeight(BlockX, BlockZ, Height);
			tolua_pushnumber(tolua_S, Height);
			tolua_pushboolean(tolua_S, res ? 1 : 0);
		}
	}
	return 1;
	
	#ifndef TOLUA_RELEASE
tolua_lerror:
	tolua_error(tolua_S, "#ferror in function 'TryGetHeight'.", &tolua_err);
	return 0;
	#endif
}





static int tolua_cPluginManager_GetAllPlugins(lua_State * tolua_S)
{
	cPluginManager* self = (cPluginManager*)  tolua_tousertype(tolua_S,1,0);

	const cPluginManager::PluginMap & AllPlugins = self->GetAllPlugins();

	lua_newtable(tolua_S);
	//lua_createtable(tolua_S, AllPlugins.size(), 0);
	int newTable = lua_gettop(tolua_S);
	int index = 1;
	cPluginManager::PluginMap::const_iterator iter = AllPlugins.begin();
	while(iter != AllPlugins.end())
	{
		const cPlugin* Plugin = iter->second;
		tolua_pushstring( tolua_S, iter->first.c_str() );
		if( Plugin != NULL )
		{
			tolua_pushusertype( tolua_S, (void*)Plugin, "const cPlugin" );
		}
		else
		{
			tolua_pushboolean(tolua_S, 0);
		}
		//lua_rawseti(tolua_S, newTable, index);
		lua_rawset(tolua_S, -3);
		++iter;
		++index;
	}
	return 1;
}





static int tolua_cPluginManager_AddHook_FnRef(cPluginManager * a_PluginManager, cLuaState & S, int a_ParamIdx)
{
	// Helper function for cPluginmanager:AddHook() binding
	// Takes care of the new case (#121): args are HOOK_TYPE and CallbackFunction
	// The arg types have already been checked
	
	// Retrieve the cPlugin from the LuaState:
	cPluginLua * Plugin = GetLuaPlugin(S);
	if (Plugin == NULL)
	{
		// An error message has been already printed in GetLuaPlugin()
		return 0;
	}
	
	// Retrieve and check the hook type
	int HookType = (int)tolua_tonumber(S, a_ParamIdx, -1);
	if (!a_PluginManager->IsValidHookType(HookType))
	{
		LOGWARNING("cPluginManager.AddHook(): Invalid HOOK_TYPE parameter: %d", HookType);
		S.LogStackTrace();
		return 0;
	}
	
	// Add the hook to the plugin
	if (!Plugin->AddHookRef(HookType, a_ParamIdx + 1))
	{
		LOGWARNING("cPluginManager.AddHook(): Cannot add hook %d, unknown error.", HookType);
		S.LogStackTrace();
		return 0;
	}
	a_PluginManager->AddHook(Plugin, HookType);
	
	// Success
	return 0;
}





static int tolua_cPluginManager_AddHook_DefFn(cPluginManager * a_PluginManager, cLuaState & S, int a_ParamIdx)
{
	// Helper function for cPluginmanager:AddHook() binding
	// Takes care of the old case (#121): args are cPluginLua and HOOK_TYPE
	// The arg types have already been checked
	
	// Retrieve and check the cPlugin parameter
	cPluginLua * Plugin = (cPluginLua *)tolua_tousertype(S, a_ParamIdx, NULL);
	if (Plugin == NULL)
	{
		LOGWARNING("cPluginManager.AddHook(): Invalid Plugin parameter, expected a valid cPlugin object. Hook not added");
		S.LogStackTrace();
		return 0;
	}
	if (Plugin != GetLuaPlugin(S))
	{
		// The plugin parameter passed to us is not our stored plugin. Disallow this!
		LOGWARNING("cPluginManager.AddHook(): Invalid Plugin parameter, cannot add hook to foreign plugins. Hook not added.");
		S.LogStackTrace();
		return 0;
	}
	
	// Retrieve and check the hook type
	int HookType = (int)tolua_tonumber(S, a_ParamIdx + 1, -1);
	if (!a_PluginManager->IsValidHookType(HookType))
	{
		LOGWARNING("cPluginManager.AddHook(): Invalid HOOK_TYPE parameter: %d", HookType);
		S.LogStackTrace();
		return 0;
	}
	
	// Get the standard name for the callback function:
	const char * FnName = cPluginLua::GetHookFnName(HookType);
	if (FnName == NULL)
	{
		LOGWARNING("cPluginManager.AddHook(): Unknown hook type (%d). Hook not added.", HookType);
		S.LogStackTrace();
		return 0;
	}

	// Retrieve the function to call and add it to the plugin:
	lua_pushstring(S, FnName);
	bool res = Plugin->AddHookRef(HookType, 1);
	lua_pop(S, 1);  // Pop the function off the stack
	if (!res)
	{
		LOGWARNING("cPluginManager.AddHook(): Function %s not found. Hook not added.", FnName);
		S.LogStackTrace();
		return 0;
	}
	a_PluginManager->AddHook(Plugin, HookType);
	
	// Success
	return 0;
}





static int tolua_cPluginManager_AddHook(lua_State * tolua_S)
{
	/*
	Function signatures:
	cPluginManager.AddHook(HOOK_TYPE, CallbackFunction)        -- (1) recommended
	cPluginManager:Get():AddHook(HOOK_TYPE, CallbackFunction)  -- (2) accepted silently
	cPluginManager:Get():AddHook(Plugin, HOOK_TYPE)            -- (3) old style (#121), accepted but complained about
	cPluginManager.AddHook(Plugin, HOOK_TYPE)                  -- (4) old style (#121) mangled, accepted but complained about
	*/
	
	cLuaState S(tolua_S);
	cPluginManager * PlgMgr = cPluginManager::Get();

	// If the first param is a cPluginManager, use it instead of the global one:
	int ParamIdx = 1;
	tolua_Error err;
	if (tolua_isusertype(S, 1, "cPluginManager", 0, &err))
	{
		// Style 2 or 3, retrieve the PlgMgr instance
		PlgMgr = (cPluginManager *)tolua_tousertype(S, 1, NULL);
		if (PlgMgr == NULL)
		{
			LOGWARNING("Malformed plugin, use cPluginManager.AddHook(HOOK_TYPE, CallbackFunction). Fixing the call for you.");
			S.LogStackTrace();
			PlgMgr = cPluginManager::Get();
		}
		ParamIdx += 1;
	}
	
	if (lua_isnumber(S, ParamIdx) && lua_isfunction(S, ParamIdx + 1))
	{
		// The next params are a number and a function, assume style 1 or 2
		return tolua_cPluginManager_AddHook_FnRef(PlgMgr, S, ParamIdx);
	}
	else if (tolua_isusertype(S, ParamIdx, "cPlugin", 0, &err) && lua_isnumber(S, ParamIdx + 1))
	{
		// The next params are a cPlugin and a number, assume style 3 or 4
		LOGINFO("cPluginManager.AddHook(): Deprecated format used, use cPluginManager.AddHook(HOOK_TYPE, CallbackFunction) instead. Fixing the call for you.");
		S.LogStackTrace();
		return tolua_cPluginManager_AddHook_DefFn(PlgMgr, S, ParamIdx);
	}
	
	AString ParamDesc;
	Printf(ParamDesc, "%s, %s, %s", S.GetTypeText(1).c_str(), S.GetTypeText(2).c_str(), S.GetTypeText(3).c_str());
	LOGWARNING("cPluginManager.AddHook(): bad parameters. Expected HOOK_TYPE and CallbackFunction, got %s. Hook not added.", ParamDesc.c_str());
	S.LogStackTrace();
	return 0;
}





static int tolua_cPluginManager_ForEachCommand(lua_State * tolua_S)
{
	int NumArgs = lua_gettop(tolua_S) - 1;  /* This includes 'self' */
	if( NumArgs != 1)
	{
		LOGWARN("Error in function call 'ForEachCommand': Requires 1 argument, got %i", NumArgs);
		return 0;
	}

	cPluginManager * self = (cPluginManager *)tolua_tousertype(tolua_S, 1, 0);
	if (self == NULL)
	{
		LOGWARN("Error in function call 'ForEachCommand': Not called on an object instance");
		return 0;
	}

	if (!lua_isfunction(tolua_S, 2))
	{
		LOGWARN("Error in function call 'ForEachCommand': Expected a function for parameter #1");
		return 0;
	}

	int FuncRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
	if (FuncRef == LUA_REFNIL)
	{
		LOGWARN("Error in function call 'ForEachCommand': Could not get function reference of parameter #1");
		return 0;
	}

	class cLuaCallback : public cPluginManager::cCommandEnumCallback
	{
	public:
		cLuaCallback(lua_State * a_LuaState, int a_FuncRef)
			: LuaState( a_LuaState )
			, FuncRef( a_FuncRef )
		{}

	private:
		virtual bool Command(const AString & a_Command, const cPlugin * a_Plugin, const AString & a_Permission, const AString & a_HelpString) override
		{
			lua_rawgeti( LuaState, LUA_REGISTRYINDEX, FuncRef);  /* Push function reference */
			tolua_pushcppstring(LuaState, a_Command);
			tolua_pushcppstring(LuaState, a_Permission);
			tolua_pushcppstring(LuaState, a_HelpString);

			int s = lua_pcall(LuaState, 3, 1, 0);
			if (cLuaState::ReportErrors(LuaState, s))
			{
				return true;  /* Abort enumeration */
			}

			if (lua_isboolean(LuaState, -1))
			{
				return (tolua_toboolean( LuaState, -1, 0) > 0);
			}
			return false;  /* Continue enumeration */
		}
		lua_State * LuaState;
		int FuncRef;
	} Callback(tolua_S, FuncRef);

	bool bRetVal = self->ForEachCommand(Callback);

	/* Unreference the values again, so the LUA_REGISTRYINDEX can make place for other references */
	luaL_unref(tolua_S, LUA_REGISTRYINDEX, FuncRef);

	/* Push return value on stack */
	tolua_pushboolean(tolua_S, bRetVal);
	return 1;
}





static int tolua_cPluginManager_ForEachConsoleCommand(lua_State * tolua_S)
{
	int NumArgs = lua_gettop(tolua_S) - 1;  /* This includes 'self' */
	if( NumArgs != 1)
	{
		LOGWARN("Error in function call 'ForEachConsoleCommand': Requires 1 argument, got %i", NumArgs);
		return 0;
	}

	cPluginManager * self = (cPluginManager *)tolua_tousertype(tolua_S, 1, 0);
	if (self == NULL)
	{
		LOGWARN("Error in function call 'ForEachConsoleCommand': Not called on an object instance");
		return 0;
	}

	if (!lua_isfunction(tolua_S, 2))
	{
		LOGWARN("Error in function call 'ForEachConsoleCommand': Expected a function for parameter #1");
		return 0;
	}

	int FuncRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
	if (FuncRef == LUA_REFNIL)
	{
		LOGWARN("Error in function call 'ForEachConsoleCommand': Could not get function reference of parameter #1");
		return 0;
	}

	class cLuaCallback : public cPluginManager::cCommandEnumCallback
	{
	public:
		cLuaCallback(lua_State * a_LuaState, int a_FuncRef)
			: LuaState( a_LuaState )
			, FuncRef( a_FuncRef )
		{}

	private:
		virtual bool Command(const AString & a_Command, const cPlugin * a_Plugin, const AString & a_Permission, const AString & a_HelpString) override
		{
			lua_rawgeti( LuaState, LUA_REGISTRYINDEX, FuncRef);  /* Push function reference */
			tolua_pushcppstring(LuaState, a_Command);
			tolua_pushcppstring(LuaState, a_HelpString);

			int s = lua_pcall(LuaState, 2, 1, 0);
			if (cLuaState::ReportErrors(LuaState, s))
			{
				return true;  /* Abort enumeration */
			}

			if (lua_isboolean(LuaState, -1))
			{
				return (tolua_toboolean( LuaState, -1, 0) > 0);
			}
			return false;  /* Continue enumeration */
		}
		lua_State * LuaState;
		int FuncRef;
	} Callback(tolua_S, FuncRef);

	bool bRetVal = self->ForEachConsoleCommand(Callback);

	/* Unreference the values again, so the LUA_REGISTRYINDEX can make place for other references */
	luaL_unref(tolua_S, LUA_REGISTRYINDEX, FuncRef);

	/* Push return value on stack */
	tolua_pushboolean(tolua_S, bRetVal);
	return 1;
}





static int tolua_cPluginManager_BindCommand(lua_State * L)
{
	// Function signature: cPluginManager:BindCommand(Command, Permission, Function, HelpString)
	cPluginLua * Plugin = GetLuaPlugin(L);
	if (Plugin == NULL)
	{
		return 0;
	}
	
	// Read the arguments to this API call:
	tolua_Error tolua_err;
	if (
		!tolua_isusertype (L, 1, "cPluginManager", 0, &tolua_err) ||
		!tolua_iscppstring(L, 2, 0, &tolua_err) ||
		!tolua_iscppstring(L, 3, 0, &tolua_err) ||
		!tolua_iscppstring(L, 5, 0, &tolua_err) ||
		!tolua_isnoobj    (L, 6, &tolua_err)
	)
	{
		tolua_error(L, "#ferror in function 'BindCommand'.", &tolua_err);
		return 0;
	}
	if (!lua_isfunction(L, 4))
	{
		luaL_error(L, "\"BindCommand\" function expects a function as its 3rd parameter. Command-binding aborted.");
		return 0;
	}
	cPluginManager * self = (cPluginManager *)tolua_tousertype(L, 1, 0);
	AString Command   (tolua_tocppstring(L, 2, ""));
	AString Permission(tolua_tocppstring(L, 3, ""));
	AString HelpString(tolua_tocppstring(L, 5, ""));
	
	// Store the function reference:
	lua_pop(L, 1);  // Pop the help string off the stack
	int FnRef = luaL_ref(L, LUA_REGISTRYINDEX);  // Store function reference
	if (FnRef == LUA_REFNIL)
	{
		LOGERROR("\"BindCommand\": Cannot create a function reference. Command \"%s\" not bound.", Command.c_str());
		return 0;
	}
	
	if (!self->BindCommand(Command, Plugin, Permission, HelpString))
	{
		// Refused. Possibly already bound. Error message has been given, bail out silently.
		return 0;
	}
	
	Plugin->BindCommand(Command, FnRef);
	return 0;
}





static int tolua_cPluginManager_BindConsoleCommand(lua_State * L)
{
	// Function signature: cPluginManager:BindConsoleCommand(Command, Function, HelpString)
	
	// Get the plugin identification out of LuaState:
	lua_getglobal(L, LUA_PLUGIN_INSTANCE_VAR_NAME);
	if (!lua_islightuserdata(L, -1))
	{
		LOGERROR("cPluginManager:BindConsoleCommand() cannot get plugin instance, what have you done to my Lua state? Command-binding aborted.");
	}
	cPluginLua * Plugin = (cPluginLua *)lua_topointer(L, -1);
	lua_pop(L, 1);
	
	// Read the arguments to this API call:
	tolua_Error tolua_err;
	if (
		!tolua_isusertype (L, 1, "cPluginManager", 0, &tolua_err) ||  // self
		!tolua_iscppstring(L, 2, 0, &tolua_err) ||  // Command
		!tolua_iscppstring(L, 4, 0, &tolua_err) ||  // HelpString
		!tolua_isnoobj    (L, 5, &tolua_err)
	)
	{
		tolua_error(L, "#ferror in function 'BindConsoleCommand'.", &tolua_err);
		return 0;
	}
	if (!lua_isfunction(L, 3))
	{
		luaL_error(L, "\"BindConsoleCommand\" function expects a function as its 2nd parameter. Command-binding aborted.");
		return 0;
	}
	cPluginManager * self = (cPluginManager *)tolua_tousertype(L, 1, 0);
	AString Command   (tolua_tocppstring(L, 2, ""));
	AString HelpString(tolua_tocppstring(L, 4, ""));
	
	// Store the function reference:
	lua_pop(L, 1);  // Pop the help string off the stack
	int FnRef = luaL_ref(L, LUA_REGISTRYINDEX);  // Store function reference
	if (FnRef == LUA_REFNIL)
	{
		LOGERROR("\"BindConsoleCommand\": Cannot create a function reference. Console Command \"%s\" not bound.", Command.c_str());
		return 0;
	}
	
	if (!self->BindConsoleCommand(Command, Plugin, HelpString))
	{
		// Refused. Possibly already bound. Error message has been given, bail out silently.
		return 0;
	}
	
	Plugin->BindConsoleCommand(Command, FnRef);
	return 0;
}





static int tolua_cPlayer_GetGroups(lua_State* tolua_S)
{
	cPlayer* self = (cPlayer*)  tolua_tousertype(tolua_S,1,0);

	const cPlayer::GroupList & AllGroups = self->GetGroups();

	lua_createtable(tolua_S, AllGroups.size(), 0);
	int newTable = lua_gettop(tolua_S);
	int index = 1;
	cPlayer::GroupList::const_iterator iter = AllGroups.begin();
	while(iter != AllGroups.end())
	{
		const cGroup* Group = *iter;
		tolua_pushusertype( tolua_S, (void*)Group, "const cGroup" );
		lua_rawseti(tolua_S, newTable, index);
		++iter;
		++index;
	}
	return 1;
}





static int tolua_cPlayer_GetResolvedPermissions(lua_State* tolua_S)
{
	cPlayer* self = (cPlayer*)  tolua_tousertype(tolua_S,1,0);

	cPlayer::StringList AllPermissions = self->GetResolvedPermissions();

	lua_createtable(tolua_S, AllPermissions.size(), 0);
	int newTable = lua_gettop(tolua_S);
	int index = 1;
	cPlayer::StringList::iterator iter = AllPermissions.begin();
	while(iter != AllPermissions.end())
	{
		std::string& Permission = *iter;
		tolua_pushstring( tolua_S, Permission.c_str() );
		lua_rawseti(tolua_S, newTable, index);
		++iter;
		++index;
	}
	return 1;
}





static int tolua_cPlayer_OpenWindow(lua_State * tolua_S)
{
	// Function signature: cPlayer:OpenWindow(Window)

	// Retrieve the plugin instance from the Lua state
	cPluginLua * Plugin = GetLuaPlugin(tolua_S);
	if (Plugin == NULL)
	{
		return 0;
	}

	// Get the parameters:
	cPlayer * self = (cPlayer *)tolua_tousertype(tolua_S, 1, NULL);
	cWindow * wnd  = (cWindow *)tolua_tousertype(tolua_S, 2, NULL);
	if ((self == NULL) || (wnd == NULL))
	{
		LOGWARNING("%s: invalid self (%p) or wnd (%p)", __FUNCTION__, self, wnd);
		return 0;
	}
	
	// If cLuaWindow, add a reference, so that Lua won't delete the cLuaWindow object mid-processing
	tolua_Error err;
	if (tolua_isusertype(tolua_S, 2, "cLuaWindow", 0, &err))
	{
		cLuaWindow * LuaWnd = (cLuaWindow *)wnd;
		// Only if not already referenced
		if (!LuaWnd->IsLuaReferenced())
		{
			int LuaRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
			if (LuaRef == LUA_REFNIL)
			{
				LOGWARNING("%s: Cannot create a window reference. Cannot open window \"%s\".",
					__FUNCTION__, wnd->GetWindowTitle().c_str()
				);
				return 0;
			}
			LuaWnd->SetLuaRef(Plugin, LuaRef);
		}
	}
	
	// Open the window
	self->OpenWindow(wnd);
	return 0;
}





template <
	class OBJTYPE,
	void (OBJTYPE::*SetCallback)(cPluginLua * a_Plugin, int a_FnRef)
>
static int tolua_SetObjectCallback(lua_State * tolua_S)
{
	// Function signature: OBJTYPE:SetWhateverCallback(CallbackFunction)

	// Retrieve the plugin instance from the Lua state
	cPluginLua * Plugin = GetLuaPlugin(tolua_S);
	if (Plugin == NULL)
	{
		// Warning message has already been printed by GetLuaPlugin(), bail out silently
		return 0;
	}

	// Get the parameters - self and the function reference:
	OBJTYPE * self = (OBJTYPE *)tolua_tousertype(tolua_S, 1, NULL);
	if (self == NULL)
	{
		LOGWARNING("%s: invalid self (%p)", __FUNCTION__, self);
		return 0;
	}
	int FnRef = luaL_ref(tolua_S, LUA_REGISTRYINDEX);  // Store function reference for later retrieval
	if (FnRef == LUA_REFNIL)
	{
		LOGERROR("%s: Cannot create a function reference. Callback not set.", __FUNCTION__);
		return 0;
	}
	
	// Set the callback
	(self->*SetCallback)(Plugin, FnRef);
	return 0;
}





static int tolua_cPluginLua_AddWebTab(lua_State * tolua_S)
{
	cPluginLua * self = (cPluginLua *)tolua_tousertype(tolua_S,1,0);

	tolua_Error tolua_err;
	tolua_err.array = 0;
	tolua_err.index = 0;
	tolua_err.type = 0;

	std::string Title = "";
	int Reference = LUA_REFNIL;

	if( tolua_isstring( tolua_S, 2, 0, &tolua_err ) &&
		lua_isfunction( tolua_S, 3 ) )
	{
		Reference = luaL_ref(tolua_S, LUA_REGISTRYINDEX);
		Title = ((std::string)  tolua_tocppstring(tolua_S,2,0));
	}
	else
	{
		return tolua_do_error(tolua_S, "#ferror calling function '#funcname#'", &tolua_err);
	}

	if( Reference != LUA_REFNIL )
	{
		if( !self->AddWebTab( Title.c_str(), tolua_S, Reference ) )
		{
			luaL_unref( tolua_S, LUA_REGISTRYINDEX, Reference );
		}
	}
	else
	{
		LOGERROR("ERROR: cPluginLua:AddWebTab invalid function reference in 2nd argument (Title: \"%s\")", Title.c_str() );
	}

	return 0;
}





static int tolua_cPluginLua_AddTab(lua_State* tolua_S)
{
	cPluginLua * self = (cPluginLua *) tolua_tousertype(tolua_S, 1, 0);
	LOGWARN("WARNING: Using deprecated function AddTab()! Use AddWebTab() instead. (plugin \"%s\" in folder \"%s\")",
		self->GetName().c_str(), self->GetDirectory().c_str()
	);
	return tolua_cPluginLua_AddWebTab( tolua_S );
}




// Perhaps use this as well for copying tables https://github.com/keplerproject/rings/pull/1
static int copy_lua_values(lua_State * a_Source, lua_State * a_Destination, int i, int top)
{
	for(; i <= top; ++i )
	{
		int t = lua_type(a_Source, i);
		switch (t) {
			case LUA_TSTRING:  /* strings */
				{
					const char * s = lua_tostring(a_Source, i);
					LOGD("%i push string: %s", i, s);
					tolua_pushstring(a_Destination, s);
				}
				break;
			case LUA_TBOOLEAN:  /* booleans */
				{
					int b = tolua_toboolean(a_Source, i, false);
					LOGD("%i push bool: %i", i, b);
					tolua_pushboolean(a_Destination, b );
				}
				break;
			case LUA_TNUMBER:  /* numbers */
				{
					lua_Number d = tolua_tonumber(a_Source, i, 0);
					LOGD("%i push number: %0.2f", i, d);
					tolua_pushnumber(a_Destination, d );
				}
				break;
			case LUA_TUSERDATA:
				{
					const char * type = 0;
					if (lua_getmetatable(a_Source,i))
					{
						lua_rawget(a_Source, LUA_REGISTRYINDEX);
						type = lua_tostring(a_Source, -1);
						lua_pop(a_Source, 1); // Pop.. something?! I don't knooow~~ T_T
					}
					
					// don't need tolua_tousertype we already have the type
					void * ud = tolua_touserdata(a_Source, i, 0);
					LOGD("%i push usertype: %p of type '%s'", i, ud, type);
					if( type == 0 )
					{
						LOGERROR("Call(): Something went wrong when trying to get usertype name!");
						return 0;
					}
					tolua_pushusertype(a_Destination, ud, type);
				}
				break;
			default:  /* other values */
				LOGERROR("Call(): Unsupported value: '%s'. Can only use numbers and strings!", lua_typename(a_Source, t));
				return 0;
		}
	}
	return 1;
}





static int tolua_cPlugin_Call(lua_State* tolua_S)
{
	cPluginLua * self = (cPluginLua *) tolua_tousertype(tolua_S, 1, 0);
	lua_State* targetState = self->GetLuaState();
	int targetTop = lua_gettop(targetState);

	int top = lua_gettop(tolua_S);
	LOGD("total in stack: %i", top );

	std::string funcName = tolua_tostring(tolua_S, 2, "");
	LOGD("Func name: %s", funcName.c_str() );

	lua_getglobal(targetState, funcName.c_str());
	if(!lua_isfunction(targetState,-1))
	{
		LOGWARN("Error could not find function '%s' in plugin '%s'", funcName.c_str(), self->GetName().c_str() );
		lua_pop(targetState,1);
		return 0;
	}

	if( copy_lua_values(tolua_S, targetState, 3, top) == 0 ) // Start at 3 because 1 and 2 are the plugin and function name respectively
	{
		// something went wrong, exit
		return 0;
	}
	
	int s = lua_pcall(targetState, top - 2, LUA_MULTRET, 0);
	if (cLuaState::ReportErrors(targetState, s))
	{
		LOGWARN("Error while calling function '%s' in plugin '%s'", funcName.c_str(), self->GetName().c_str() );
		return 0;
	}

	int nresults = lua_gettop(targetState) - targetTop;
	LOGD("num results: %i", nresults);
	int ttop = lua_gettop(targetState);
	if( copy_lua_values(targetState, tolua_S, targetTop+1, ttop) == 0 ) // Start at targetTop+1 and I have no idea why xD
	{
		// something went wrong, exit
		return 0;
	}

	lua_pop(targetState, nresults); // I have no idea what I'm doing, but it works

	return nresults;
}





static int tolua_md5(lua_State* tolua_S)
{
	std::string SourceString = tolua_tostring(tolua_S, 1, 0);
	std::string CryptedString = md5( SourceString );
	tolua_pushstring( tolua_S, CryptedString.c_str() );
	return 1;
}





static int tolua_push_StringStringMap(lua_State* tolua_S, std::map< std::string, std::string >& a_StringStringMap )
{
	lua_newtable(tolua_S);
	int top = lua_gettop(tolua_S);

	for( std::map< std::string, std::string >::iterator it = a_StringStringMap.begin(); it != a_StringStringMap.end(); ++it )
	{
		const char* key = it->first.c_str();
		const char* value = it->second.c_str();
		lua_pushstring(tolua_S, key);
		lua_pushstring(tolua_S, value);
		lua_settable(tolua_S, top);
	}

	return 1;
}





static int tolua_get_HTTPRequest_Params(lua_State* tolua_S)
{
	HTTPRequest* self = (HTTPRequest*)  tolua_tousertype(tolua_S,1,0);
	return tolua_push_StringStringMap(tolua_S, self->Params);
}





static int tolua_get_HTTPRequest_PostParams(lua_State* tolua_S)
{
	HTTPRequest* self = (HTTPRequest*)  tolua_tousertype(tolua_S,1,0);
	return tolua_push_StringStringMap(tolua_S, self->PostParams);
}





static int tolua_get_HTTPRequest_FormData(lua_State* tolua_S)
{
	HTTPRequest* self = (HTTPRequest*)  tolua_tousertype(tolua_S,1,0);
	std::map< std::string, HTTPFormData >& FormData = self->FormData;

	lua_newtable(tolua_S);
	int top = lua_gettop(tolua_S);

	for( std::map< std::string, HTTPFormData >::iterator it = FormData.begin(); it != FormData.end(); ++it )
	{
		lua_pushstring(tolua_S, it->first.c_str() );
		tolua_pushusertype(tolua_S, &(it->second), "HTTPFormData" );
		//lua_pushlstring(tolua_S, it->second.Value.c_str(), it->second.Value.size() ); // Might contain binary data
		lua_settable(tolua_S, top);
	}

	return 1;
}





static int tolua_cWebAdmin_GetPlugins(lua_State * tolua_S)
{
	cWebAdmin* self = (cWebAdmin*)  tolua_tousertype(tolua_S,1,0);

	const cWebAdmin::PluginList & AllPlugins = self->GetPlugins();

	lua_createtable(tolua_S, AllPlugins.size(), 0);
	int newTable = lua_gettop(tolua_S);
	int index = 1;
	cWebAdmin::PluginList::const_iterator iter = AllPlugins.begin();
	while(iter != AllPlugins.end())
	{
		const cWebPlugin* Plugin = *iter;
		tolua_pushusertype( tolua_S, (void*)Plugin, "const cWebPlugin" );
		lua_rawseti(tolua_S, newTable, index);
		++iter;
		++index;
	}
	return 1;
}





static int tolua_cWebPlugin_GetTabNames(lua_State * tolua_S)
{
	cWebPlugin* self = (cWebPlugin*)  tolua_tousertype(tolua_S,1,0);

	const cWebPlugin::TabNameList & TabNames = self->GetTabNames();

	lua_newtable(tolua_S);
	int newTable = lua_gettop(tolua_S);
	int index = 1;
	cWebPlugin::TabNameList::const_iterator iter = TabNames.begin();
	while(iter != TabNames.end())
	{
		const AString & FancyName = iter->first;
		const AString & WebName = iter->second;
		tolua_pushstring( tolua_S, WebName.c_str() ); // Because the WebName is supposed to be unique, use it as key
		tolua_pushstring( tolua_S, FancyName.c_str() );
		//
		lua_rawset(tolua_S, -3);
		++iter;
		++index;
	}
	return 1;
}





static int Lua_ItemGrid_GetSlotCoords(lua_State * L)
{
	tolua_Error tolua_err;
	if (
		!tolua_isusertype(L, 1, "const cItemGrid", 0, &tolua_err) ||
		!tolua_isnumber  (L, 2, 0, &tolua_err) ||
		!tolua_isnoobj   (L, 3, &tolua_err)
	)
	{
		goto tolua_lerror;
	}

	{
		const cItemGrid * self = (const cItemGrid *)tolua_tousertype(L, 1, 0);
		int SlotNum = (int)tolua_tonumber(L, 2, 0);
		if (self == NULL)
		{
			tolua_error(L, "invalid 'self' in function 'cItemGrid:GetSlotCoords'", NULL);
			return 0;
		}
		int X, Y;
		self->GetSlotCoords(SlotNum, X, Y);
		tolua_pushnumber(L, (lua_Number)X);
		tolua_pushnumber(L, (lua_Number)Y);
		return 2;
	}
	
tolua_lerror:
	tolua_error(L, "#ferror in function 'cItemGrid:GetSlotCoords'.", &tolua_err);
	return 0;
}





/// Provides interface between a Lua table of callbacks and the cBlockTracer::cCallbacks
class cLuaBlockTracerCallbacks :
	public cBlockTracer::cCallbacks
{
public:
	cLuaBlockTracerCallbacks(cLuaState & a_LuaState, int a_ParamNum) :
		m_LuaState(a_LuaState),
		m_TableRef(a_LuaState, a_ParamNum)
	{
	}
	
	virtual bool OnNextBlock(int a_BlockX, int a_BlockY, int a_BlockZ, BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta, char a_EntryFace) override
	{
		if (!m_LuaState.PushFunctionFromRefTable(m_TableRef, "OnNextBlock"))
		{
			// No such function in the table, skip the callback
			return false;
		}
		m_LuaState.Push(a_BlockX);
		m_LuaState.Push(a_BlockY);
		m_LuaState.Push(a_BlockZ);
		m_LuaState.Push(a_BlockType);
		m_LuaState.Push(a_BlockMeta);
		m_LuaState.Push(a_EntryFace);
		if (!m_LuaState.CallFunction(1))
		{
			return false;
		}
		bool res = false;
		if (lua_isboolean(m_LuaState, -1))
		{
			res = (lua_toboolean(m_LuaState, -1) != 0);
		}
		lua_pop(m_LuaState, 1);
		return res;
	}
	
	virtual bool OnNextBlockNoData(int a_BlockX, int a_BlockY, int a_BlockZ, char a_EntryFace) override
	{
		if (!m_LuaState.PushFunctionFromRefTable(m_TableRef, "OnNextBlockNoData"))
		{
			// No such function in the table, skip the callback
			return false;
		}
		m_LuaState.Push(a_BlockX);
		m_LuaState.Push(a_BlockY);
		m_LuaState.Push(a_BlockZ);
		m_LuaState.Push(a_EntryFace);
		if (!m_LuaState.CallFunction(1))
		{
			return false;
		}
		bool res = false;
		if (lua_isboolean(m_LuaState, -1))
		{
			res = (lua_toboolean(m_LuaState, -1) != 0);
		}
		lua_pop(m_LuaState, 1);
		return res;
	}
	
	virtual bool OnOutOfWorld(double a_BlockX, double a_BlockY, double a_BlockZ) override
	{
		if (!m_LuaState.PushFunctionFromRefTable(m_TableRef, "OnOutOfWorld"))
		{
			// No such function in the table, skip the callback
			return false;
		}
		m_LuaState.Push(a_BlockX);
		m_LuaState.Push(a_BlockY);
		m_LuaState.Push(a_BlockZ);
		if (!m_LuaState.CallFunction(1))
		{
			return false;
		}
		bool res = false;
		if (lua_isboolean(m_LuaState, -1))
		{
			res = (lua_toboolean(m_LuaState, -1) != 0);
		}
		lua_pop(m_LuaState, 1);
		return res;
	}
	
	virtual bool OnIntoWorld(double a_BlockX, double a_BlockY, double a_BlockZ) override
	{
		if (!m_LuaState.PushFunctionFromRefTable(m_TableRef, "OnIntoWorld"))
		{
			// No such function in the table, skip the callback
			return false;
		}
		m_LuaState.Push(a_BlockX);
		m_LuaState.Push(a_BlockY);
		m_LuaState.Push(a_BlockZ);
		if (!m_LuaState.CallFunction(1))
		{
			return false;
		}
		bool res = false;
		if (lua_isboolean(m_LuaState, -1))
		{
			res = (lua_toboolean(m_LuaState, -1) != 0);
		}
		lua_pop(m_LuaState, 1);
		return res;
	}
	
	virtual void OnNoMoreHits(void) override
	{
		if (!m_LuaState.PushFunctionFromRefTable(m_TableRef, "OnNoMoreHits"))
		{
			// No such function in the table, skip the callback
			return;
		}
		m_LuaState.CallFunction(0);
	}
	
	virtual void OnNoChunk(void) override
	{
		if (!m_LuaState.PushFunctionFromRefTable(m_TableRef, "OnNoChunk"))
		{
			// No such function in the table, skip the callback
			return;
		}
		m_LuaState.CallFunction(0);
	}

protected:
	cLuaState & m_LuaState;
	cLuaState::cRef m_TableRef;
} ;





static int tolua_cLineBlockTracer_Trace(lua_State * tolua_S)
{
	// cLineBlockTracer.Trace(World, Callbacks, StartX, StartY, StartZ, EndX, EndY, EndZ)
	cLuaState L(tolua_S);
	if (
		!L.CheckParamUserType(1, "cWorld") ||
		!L.CheckParamTable   (2) ||
		!L.CheckParamNumber  (3, 8) ||
		!L.CheckParamEnd     (9)
	)
	{
		return 0;
	}

	cWorld * World = (cWorld *)tolua_tousertype(L, 1, NULL);
	cLuaBlockTracerCallbacks Callbacks(L, 2);
	double StartX = tolua_tonumber(L, 3, 0);
	double StartY = tolua_tonumber(L, 4, 0);
	double StartZ = tolua_tonumber(L, 5, 0);
	double EndX   = tolua_tonumber(L, 6, 0);
	double EndY   = tolua_tonumber(L, 7, 0);
	double EndZ   = tolua_tonumber(L, 8, 0);
	bool res = cLineBlockTracer::Trace(*World, Callbacks, StartX, StartY, StartZ, EndX, EndY, EndZ);
	tolua_pushboolean(L, res ? 1 : 0);
	return 1;
}





void ManualBindings::Bind(lua_State * tolua_S)
{
	tolua_beginmodule(tolua_S, NULL);
		tolua_function(tolua_S, "StringSplit", tolua_StringSplit);
		tolua_function(tolua_S, "LOG",         tolua_LOG);
		tolua_function(tolua_S, "LOGINFO",     tolua_LOGINFO);
		tolua_function(tolua_S, "LOGWARN",     tolua_LOGWARN);
		tolua_function(tolua_S, "LOGWARNING",  tolua_LOGWARN);
		tolua_function(tolua_S, "LOGERROR",    tolua_LOGERROR);
		
		tolua_beginmodule(tolua_S, "cLineBlockTracer");
			tolua_function(tolua_S, "Trace", tolua_cLineBlockTracer_Trace);
		tolua_endmodule(tolua_S);
		
		tolua_beginmodule(tolua_S, "cRoot");
			tolua_function(tolua_S, "FindAndDoWithPlayer", tolua_DoWith <cRoot, cPlayer, &cRoot::FindAndDoWithPlayer>);
			tolua_function(tolua_S, "ForEachPlayer",       tolua_ForEach<cRoot, cPlayer, &cRoot::ForEachPlayer>);
			tolua_function(tolua_S, "ForEachWorld",        tolua_ForEach<cRoot, cWorld,  &cRoot::ForEachWorld>);
		tolua_endmodule(tolua_S);
		
		tolua_beginmodule(tolua_S, "cWorld");
			tolua_function(tolua_S, "DoWithChestAt",         tolua_DoWithXYZ<cWorld, cChestEntity,       &cWorld::DoWithChestAt>);
			tolua_function(tolua_S, "DoWithDispenserAt",     tolua_DoWithXYZ<cWorld, cDispenserEntity,   &cWorld::DoWithDispenserAt>);
			tolua_function(tolua_S, "DoWithDropSpenserAt",   tolua_DoWithXYZ<cWorld, cDropSpenserEntity, &cWorld::DoWithDropSpenserAt>);
			tolua_function(tolua_S, "DoWithDropperAt",       tolua_DoWithXYZ<cWorld, cDropperEntity,     &cWorld::DoWithDropperAt>);
			tolua_function(tolua_S, "DoWithEntityByID",      tolua_DoWithID< cWorld, cEntity,            &cWorld::DoWithEntityByID>);
			tolua_function(tolua_S, "DoWithFurnaceAt",       tolua_DoWithXYZ<cWorld, cFurnaceEntity,     &cWorld::DoWithFurnaceAt>);
			tolua_function(tolua_S, "DoWithPlayer",          tolua_DoWith<   cWorld, cPlayer,            &cWorld::DoWithPlayer>);
			tolua_function(tolua_S, "FindAndDoWithPlayer",   tolua_DoWith<   cWorld, cPlayer,            &cWorld::FindAndDoWithPlayer>);
			tolua_function(tolua_S, "ForEachChestInChunk",   tolua_ForEachInChunk<cWorld, cChestEntity,   &cWorld::ForEachChestInChunk>);
			tolua_function(tolua_S, "ForEachEntity",         tolua_ForEach<       cWorld, cEntity,        &cWorld::ForEachEntity>);
			tolua_function(tolua_S, "ForEachEntityInChunk",  tolua_ForEachInChunk<cWorld, cEntity,        &cWorld::ForEachEntityInChunk>);
			tolua_function(tolua_S, "ForEachFurnaceInChunk", tolua_ForEachInChunk<cWorld, cFurnaceEntity, &cWorld::ForEachFurnaceInChunk>);
			tolua_function(tolua_S, "ForEachPlayer",         tolua_ForEach<       cWorld, cPlayer,        &cWorld::ForEachPlayer>);
			tolua_function(tolua_S, "SetSignLines",          tolua_cWorld_SetSignLines);
			tolua_function(tolua_S, "TryGetHeight",          tolua_cWorld_TryGetHeight);
			tolua_function(tolua_S, "UpdateSign",            tolua_cWorld_SetSignLines);
		tolua_endmodule(tolua_S);
		
		tolua_beginmodule(tolua_S, "cPlugin");
			tolua_function(tolua_S, "Call", tolua_cPlugin_Call);
		tolua_endmodule(tolua_S);
		
		tolua_beginmodule(tolua_S, "cPluginManager");
			tolua_function(tolua_S, "BindCommand",           tolua_cPluginManager_BindCommand);
			tolua_function(tolua_S, "BindConsoleCommand",    tolua_cPluginManager_BindConsoleCommand);
			tolua_function(tolua_S, "ForEachCommand",        tolua_cPluginManager_ForEachCommand);
			tolua_function(tolua_S, "ForEachConsoleCommand", tolua_cPluginManager_ForEachConsoleCommand);
			tolua_function(tolua_S, "GetAllPlugins",         tolua_cPluginManager_GetAllPlugins);
			tolua_function(tolua_S, "AddHook",               tolua_cPluginManager_AddHook);
		tolua_endmodule(tolua_S);
		
		tolua_beginmodule(tolua_S, "cPlayer");
			tolua_function(tolua_S, "GetGroups",              tolua_cPlayer_GetGroups);
			tolua_function(tolua_S, "GetResolvedPermissions", tolua_cPlayer_GetResolvedPermissions);
			tolua_function(tolua_S, "OpenWindow",             tolua_cPlayer_OpenWindow);
		tolua_endmodule(tolua_S);
		
		tolua_beginmodule(tolua_S, "cLuaWindow");
			tolua_function(tolua_S, "SetOnClosing",     tolua_SetObjectCallback<cLuaWindow, &cLuaWindow::SetOnClosing>);
			tolua_function(tolua_S, "SetOnSlotChanged", tolua_SetObjectCallback<cLuaWindow, &cLuaWindow::SetOnSlotChanged>);
		tolua_endmodule(tolua_S);

		tolua_beginmodule(tolua_S, "cPluginLua");
			tolua_function(tolua_S, "AddTab", tolua_cPluginLua_AddTab);
			tolua_function(tolua_S, "AddWebTab", tolua_cPluginLua_AddWebTab);
		tolua_endmodule(tolua_S);

		tolua_cclass(tolua_S,"HTTPRequest","HTTPRequest","",NULL);
		tolua_beginmodule(tolua_S,"HTTPRequest");
			// tolua_variable(tolua_S,"Method",tolua_get_HTTPRequest_Method,tolua_set_HTTPRequest_Method);
			// tolua_variable(tolua_S,"Path",tolua_get_HTTPRequest_Path,tolua_set_HTTPRequest_Path);
			tolua_variable(tolua_S,"FormData",tolua_get_HTTPRequest_FormData,0);
			tolua_variable(tolua_S,"Params",tolua_get_HTTPRequest_Params,0);
			tolua_variable(tolua_S,"PostParams",tolua_get_HTTPRequest_PostParams,0);
		tolua_endmodule(tolua_S);

		tolua_beginmodule(tolua_S, "cWebAdmin");
			tolua_function(tolua_S, "GetPlugins", tolua_cWebAdmin_GetPlugins);
		tolua_endmodule(tolua_S);

		tolua_beginmodule(tolua_S, "cWebPlugin");
			tolua_function(tolua_S, "GetTabNames", tolua_cWebPlugin_GetTabNames);
		tolua_endmodule(tolua_S);
			
		tolua_beginmodule(tolua_S, "cClientHandle");
			tolua_constant(tolua_S, "MAX_VIEW_DISTANCE", cClientHandle::MAX_VIEW_DISTANCE);
			tolua_constant(tolua_S, "MIN_VIEW_DISTANCE", cClientHandle::MIN_VIEW_DISTANCE);
		tolua_endmodule(tolua_S);

		tolua_beginmodule(tolua_S, "cItemGrid");
			tolua_function(tolua_S, "GetSlotCoords", Lua_ItemGrid_GetSlotCoords);
		tolua_endmodule(tolua_S);

		tolua_function(tolua_S, "md5", tolua_md5);

	tolua_endmodule(tolua_S);
}