4e34e438f1
In this new design a plugin consists of a folder with Lua files, this should enable plugin developers to keep things separate and have more overview. git-svn-id: http://mc-server.googlecode.com/svn/trunk@172 0a769ca7-a7f5-676a-18bf-c427514a06d6
121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
#define LUA_USE_POSIX
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#include "cPlugin_NewLua.h"
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#include "cMCLogger.h"
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extern "C"
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{
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#include "lualib.h"
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}
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#include "tolua++.h"
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#include "Bindings.h"
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#include "ManualBindings.h"
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extern bool report_errors(lua_State* lua, int status);
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cPlugin_NewLua::cPlugin_NewLua( const char* a_PluginName )
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: m_LuaState( 0 )
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{
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m_Directory = a_PluginName;
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}
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cPlugin_NewLua::~cPlugin_NewLua()
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{
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if( m_LuaState )
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{
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lua_close( m_LuaState );
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m_LuaState = 0;
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}
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}
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bool cPlugin_NewLua::Initialize()
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{
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if( !m_LuaState )
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{
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m_LuaState = lua_open();
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luaL_openlibs( m_LuaState );
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tolua_AllToLua_open(m_LuaState);
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ManualBindings::Bind( m_LuaState );
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}
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std::string PluginFiles[] = { std::string("Plugins/") + m_Directory + "/tick.lua"
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,std::string("Plugins/") + m_Directory + "/main.lua" };
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// Load all files for this plugin, and execute them
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for( int i = 0; i < 2; ++i )
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{
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int s = luaL_loadfile(m_LuaState, PluginFiles[i].c_str() );
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if( report_errors( m_LuaState, s ) )
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{
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LOGERROR("Can't load plugin %s because of an error in file %s", m_Directory.c_str(), PluginFiles[i].c_str() );
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lua_close( m_LuaState );
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m_LuaState = 0;
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return false;
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}
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s = lua_pcall(m_LuaState, 0, LUA_MULTRET, 0);
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if( report_errors( m_LuaState, s ) )
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{
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LOGERROR("Error in plugin %s in file %s", m_Directory.c_str(), PluginFiles[i].c_str() );
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lua_close( m_LuaState );
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m_LuaState = 0;
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return false;
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}
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}
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// Call intialize function
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lua_getglobal(m_LuaState, "Initialize");
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if(!lua_isfunction(m_LuaState,-1))
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{
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LOGWARN("Error in plugin %s: Could not find function Initialize()", m_Directory.c_str() );
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lua_pop(m_LuaState,1);
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lua_close( m_LuaState );
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m_LuaState = 0;
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return false;
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}
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tolua_pushusertype(m_LuaState, this, "cPlugin_NewLua");
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// do the call (1 arguments, 1 result)
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int s = lua_pcall(m_LuaState, 1, 1, 0);
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if( report_errors( m_LuaState, s ) )
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{
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LOGWARN("Error in plugin %s calling function Initialize()", m_Directory.c_str() );
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lua_close( m_LuaState );
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m_LuaState = 0;
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return false;
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}
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if( !lua_isboolean( m_LuaState, -1 ) )
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{
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LOGWARN("Error in plugin %s Initialize() must return a boolean value!", m_Directory.c_str() );
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lua_close( m_LuaState );
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m_LuaState = 0;
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return false;
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}
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bool bSuccess = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bSuccess;
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}
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void cPlugin_NewLua::Tick(float a_Dt)
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{
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lua_getglobal(m_LuaState, "Tick");
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if(!lua_isfunction(m_LuaState,-1))
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{
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LOGWARN("Error in plugin %s: Could not find function Tick()", m_Directory.c_str() );
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lua_pop(m_LuaState,1);
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return;
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}
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tolua_pushnumber( m_LuaState, a_Dt );
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// do the call (1 arguments, 0 result)/
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int s = lua_pcall(m_LuaState, 1, 0, 0);
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if( report_errors( m_LuaState, s ) )
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{
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LOGWARN("Error in plugin %s calling function Tick()", m_Directory.c_str() );
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}
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} |