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cuberite-2a/source/Plugin_Lua.cpp

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#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
#define LUA_USE_POSIX
#include "Plugin_Lua.h"
#include "PluginManager.h"
#include "Root.h"
extern "C"
{
#include "lualib.h"
}
#include "tolua++.h"
#include "Bindings.h"
#include "ManualBindings.h"
bool report_errors(lua_State* lua, int status)
{
if ( status!=0 )
{
std::string s = lua_tostring(lua, -1);
LOGERROR("-- %s", s.c_str() );
lua_pop(lua, 1);
return true;
}
return false;
}
cPlugin_Lua::~cPlugin_Lua()
{
UnloadPlugins();
if( m_LuaState )
{
lua_close( m_LuaState );
m_LuaState = 0;
}
}
cPlugin_Lua::cPlugin_Lua(const char* a_Plugin)
: m_LuaState( 0 )
{
m_FileName.assign( a_Plugin );
}
bool cPlugin_Lua::Initialize()
{
if( !m_LuaState )
{
m_LuaState = lua_open();
luaL_openlibs( m_LuaState );
tolua_AllToLua_open(m_LuaState);
ManualBindings::Bind( m_LuaState );
}
int s = luaL_loadfile(m_LuaState, (std::string("Plugins/") + m_FileName ).c_str() );
if( report_errors( m_LuaState, s ) )
{
LOGERROR("Can't load plugin %s", m_FileName.c_str() );
lua_close( m_LuaState );
m_LuaState = 0;
return false;
}
s = lua_pcall(m_LuaState, 0, LUA_MULTRET, 0);
if( report_errors( m_LuaState, s ) )
{
LOGERROR("Error in plugin %s", m_FileName.c_str() );
lua_close( m_LuaState );
m_LuaState = 0;
return false;
}
return true;
}
void cPlugin_Lua::AddPlugin( cPlugin* a_Plugin )
{
m_Plugins.push_back( a_Plugin );
}
void cPlugin_Lua::RemovePlugin( cPlugin* a_Plugin )
{
m_Plugins.remove( a_Plugin );
cRoot::Get()->GetPluginManager()->RemovePlugin( a_Plugin, true );
}
void cPlugin_Lua::UnloadPlugins()
{
while( m_Plugins.begin() != m_Plugins.end() )
{
RemovePlugin( *m_Plugins.begin() );
}
}
lua_State* cPlugin_Lua::GetLuaState()
{
return m_LuaState;
}