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-rw-r--r--source/Plugin_NewLua.cpp794
1 files changed, 794 insertions, 0 deletions
diff --git a/source/Plugin_NewLua.cpp b/source/Plugin_NewLua.cpp
new file mode 100644
index 000000000..061441735
--- /dev/null
+++ b/source/Plugin_NewLua.cpp
@@ -0,0 +1,794 @@
+
+#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
+
+#define LUA_USE_POSIX
+#include "Plugin_NewLua.h"
+#include "MCLogger.h"
+#include "LuaItems.h"
+
+extern "C"
+{
+#include "lualib.h"
+}
+
+#include "tolua++.h"
+#include "Bindings.h"
+#include "ManualBindings.h"
+
+#ifdef _WIN32
+// #include "wdirent.h"
+#else
+#include <dirent.h>
+#endif
+
+
+
+
+
+extern bool report_errors(lua_State* lua, int status);
+
+
+
+
+
+cPlugin_NewLua::cPlugin_NewLua( const char* a_PluginName )
+ : m_LuaState( 0 )
+ , cWebPlugin()
+{
+ m_Directory = a_PluginName;
+}
+
+
+
+
+
+cPlugin_NewLua::~cPlugin_NewLua()
+{
+ cCSLock Lock( m_CriticalSection );
+
+ if( m_LuaState )
+ {
+ lua_close( m_LuaState );
+ m_LuaState = 0;
+ }
+}
+
+
+
+
+
+bool cPlugin_NewLua::Initialize()
+{
+ cCSLock Lock( m_CriticalSection );
+ if( !m_LuaState )
+ {
+ m_LuaState = lua_open();
+ luaL_openlibs( m_LuaState );
+ tolua_AllToLua_open(m_LuaState);
+ ManualBindings::Bind( m_LuaState );
+ }
+
+ std::string PluginPath = FILE_IO_PREFIX + GetLocalDirectory() + "/";
+
+ // Load all files for this plugin, and execute them
+ AStringList Files = GetDirectoryContents(PluginPath.c_str());
+ for (AStringList::const_iterator itr = Files.begin(); itr != Files.end(); ++itr)
+ {
+ if (itr->rfind(".lua") == AString::npos)
+ {
+ continue;
+ }
+ AString Path = PluginPath + *itr;
+ int s = luaL_loadfile(m_LuaState, Path.c_str() );
+ if( report_errors( m_LuaState, s ) )
+ {
+ LOGERROR("Can't load plugin %s because of an error in file %s", m_Directory.c_str(), Path.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 in file %s", m_Directory.c_str(), Path.c_str() );
+ lua_close( m_LuaState );
+ m_LuaState = 0;
+ return false;
+ }
+ } // for itr - Files[]
+
+ // Call intialize function
+ if( !PushFunction("Initialize") )
+ {
+ lua_close( m_LuaState );
+ m_LuaState = 0;
+ return false;
+ }
+
+ tolua_pushusertype(m_LuaState, this, "cPlugin_NewLua");
+
+ if( !CallFunction(1, 1, "Initialize") )
+ {
+ lua_close( m_LuaState );
+ m_LuaState = 0;
+ return false;
+ }
+
+ if( !lua_isboolean( m_LuaState, -1 ) )
+ {
+ LOGWARN("Error in plugin %s Initialize() must return a boolean value!", m_Directory.c_str() );
+ lua_close( m_LuaState );
+ m_LuaState = 0;
+ return false;
+ }
+
+ bool bSuccess = (tolua_toboolean( m_LuaState, -1, 0) > 0);
+ return bSuccess;
+}
+
+
+
+
+
+AString cPlugin_NewLua::GetLocalDirectory(void) const
+{
+ return std::string("Plugins/") + m_Directory;
+}
+
+
+
+
+
+void cPlugin_NewLua::OnDisable()
+{
+ cCSLock Lock( m_CriticalSection );
+ if( !PushFunction("OnDisable", false) ) // false = don't log error if not found
+ return;
+
+ CallFunction(0, 0, "OnDisable");
+}
+
+
+
+
+
+void cPlugin_NewLua::Tick(float a_Dt)
+{
+ cCSLock Lock( m_CriticalSection );
+ if( !PushFunction("Tick") )
+ return;
+
+ tolua_pushnumber( m_LuaState, a_Dt );
+
+ CallFunction(1, 0, "Tick");
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnCollectPickup(cPlayer * a_Player, cPickup * a_Pickup)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnCollectPickup"))
+ {
+ return false;
+ }
+
+ tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
+ tolua_pushusertype(m_LuaState, a_Pickup, "cPickup");
+
+ if (!CallFunction(2, 1, "OnCollectPickup"))
+ {
+ return false;
+ }
+
+ return (tolua_toboolean(m_LuaState, -1, 0) > 0);
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnDisconnect(cPlayer * a_Player, const AString & a_Reason)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnDisconnect"))
+ {
+ return false;
+ }
+
+ tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
+ tolua_pushstring (m_LuaState, a_Reason.c_str());
+
+ if (!CallFunction(2, 1, "OnDisconnect"))
+ {
+ return false;
+ }
+
+ return (tolua_toboolean( m_LuaState, -1, 0) > 0);
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnBlockPlace(cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, const cItem & a_HeldItem)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnBlockPlace"))
+ {
+ return false;
+ }
+
+ tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
+ tolua_pushnumber (m_LuaState, a_BlockX);
+ tolua_pushnumber (m_LuaState, a_BlockY);
+ tolua_pushnumber (m_LuaState, a_BlockZ);
+ tolua_pushnumber (m_LuaState, a_BlockFace);
+ tolua_pushusertype(m_LuaState, (void *)&a_HeldItem, "cItem");
+
+ if (!CallFunction(6, 1, "OnBlockPlace"))
+ {
+ return false;
+ }
+
+ return (tolua_toboolean( m_LuaState, -1, 0) > 0);
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnBlockDig(cPlayer * a_Player, int a_BlockX, int a_BlockY, int a_BlockZ, char a_BlockFace, char a_Status, BLOCKTYPE a_OldBlock, NIBBLETYPE a_OldMeta)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnBlockDig"))
+ {
+ return false;
+ }
+
+ tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
+ tolua_pushnumber (m_LuaState, a_BlockX);
+ tolua_pushnumber (m_LuaState, a_BlockY);
+ tolua_pushnumber (m_LuaState, a_BlockZ);
+ tolua_pushnumber (m_LuaState, a_BlockFace);
+ tolua_pushnumber (m_LuaState, a_Status);
+ tolua_pushnumber (m_LuaState, a_OldBlock);
+ tolua_pushnumber (m_LuaState, a_OldMeta);
+
+ if (!CallFunction(8, 1, "OnBlockDig"))
+ {
+ return false;
+ }
+
+ return (tolua_toboolean( m_LuaState, -1, 0) > 0);
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnChat(cPlayer * a_Player, const AString & a_Message)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnChat"))
+ {
+ return false;
+ }
+
+ tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
+ tolua_pushstring (m_LuaState, a_Message.c_str());
+
+ if (!CallFunction(2, 1, "OnChat"))
+ {
+ return false;
+ }
+
+ return (tolua_toboolean( m_LuaState, -1, 0) > 0);
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnLogin(cClientHandle * a_Client, int a_ProtocolVersion, const AString & a_Username)
+{
+ cCSLock Lock( m_CriticalSection );
+ if( !PushFunction("OnLogin") )
+ return false;
+
+ tolua_pushusertype (m_LuaState, a_Client, "cClientHandle");
+ tolua_pushnumber (m_LuaState, a_ProtocolVersion);
+ tolua_pushcppstring(m_LuaState, a_Username);
+
+ if (!CallFunction(3, 1, "OnLogin"))
+ return false;
+
+ bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
+ return bRetVal;
+}
+
+
+
+
+
+void cPlugin_NewLua::OnPlayerSpawn( cPlayer* a_Player )
+{
+ cCSLock Lock( m_CriticalSection );
+ if( !PushFunction("OnPlayerSpawn") )
+ return;
+
+ tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
+
+ CallFunction(1, 0, "OnPlayerSpawn");
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnPlayerJoin( cPlayer* a_Player )
+{
+ cCSLock Lock( m_CriticalSection );
+ if( !PushFunction("OnPlayerJoin") )
+ return false;
+
+ tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
+
+ if( !CallFunction(1, 1, "OnPlayerJoin") )
+ return false;
+
+ bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
+ return bRetVal;
+}
+
+
+
+
+
+void cPlugin_NewLua::OnPlayerMove( cPlayer* a_Player )
+{
+ cCSLock Lock( m_CriticalSection );
+ if( !PushFunction("OnPlayerMove") )
+ return;
+
+ tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
+
+ CallFunction(1, 0, "OnPlayerMove");
+}
+
+
+
+
+
+void cPlugin_NewLua::OnTakeDamage( cPawn* a_Pawn, TakeDamageInfo* a_TakeDamageInfo )
+{
+ cCSLock Lock( m_CriticalSection );
+ if( !PushFunction("OnTakeDamage") )
+ return;
+
+ tolua_pushusertype(m_LuaState, a_Pawn, "cPawn");
+ tolua_pushusertype(m_LuaState, a_TakeDamageInfo, "TakeDamageInfo");
+
+ CallFunction(2, 0, "OnTakeDamage");
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnKilled( cPawn* a_Killed, cEntity* a_Killer )
+{
+ cCSLock Lock( m_CriticalSection );
+ if( !PushFunction("OnKilled") )
+ return false;
+
+ tolua_pushusertype(m_LuaState, a_Killed, "cPawn");
+ tolua_pushusertype(m_LuaState, a_Killer, "cEntity");
+
+ if( !CallFunction(2, 1, "OnKilled") )
+ return false;
+
+ bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
+ return bRetVal;
+}
+
+
+
+
+
+void cPlugin_NewLua::OnChunkGenerated(cWorld * a_World, int a_ChunkX, int a_ChunkZ)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnChunkGenerated"))
+ {
+ return;
+ }
+
+ tolua_pushusertype(m_LuaState, a_World, "cWorld");
+ tolua_pushnumber (m_LuaState, a_ChunkX);
+ tolua_pushnumber (m_LuaState, a_ChunkZ);
+
+ CallFunction(3, 0, "OnChunkGenerated");
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnChunkGenerating(cWorld * a_World, int a_ChunkX, int a_ChunkZ, cLuaChunk * a_pLuaChunk)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnChunkGenerating"))
+ return false;
+
+ tolua_pushusertype(m_LuaState, a_World, "cWorld");
+ tolua_pushnumber (m_LuaState, a_ChunkX);
+ tolua_pushnumber (m_LuaState, a_ChunkZ);
+ tolua_pushusertype(m_LuaState, a_pLuaChunk, "cLuaChunk");
+
+ if( !CallFunction(3, 1, "OnChunkGenerating") )
+ return false;
+
+ bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
+ return bRetVal;
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnPreCrafting(const cPlayer * a_Player, const cCraftingGrid * a_Grid, cCraftingRecipe * a_Recipe)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnPreCrafting"))
+ return false;
+
+ tolua_pushusertype(m_LuaState, (void *)a_Player, "cPlayer");
+ tolua_pushusertype(m_LuaState, (void *)a_Grid, "cCraftingGrid");
+ tolua_pushusertype(m_LuaState, (void *)a_Recipe, "cCraftingRecipe");
+
+ if (!CallFunction(3, 1, "OnPreCrafting"))
+ {
+ return false;
+ }
+
+ bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
+ return bRetVal;
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnCraftingNoRecipe(const cPlayer * a_Player, const cCraftingGrid * a_Grid, cCraftingRecipe * a_Recipe)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnCraftingNoRecipe"))
+ return false;
+
+ tolua_pushusertype(m_LuaState, (void *)a_Player, "cPlayer");
+ tolua_pushusertype(m_LuaState, (void *)a_Grid, "cCraftingGrid");
+ tolua_pushusertype(m_LuaState, (void *)a_Recipe, "cCraftingRecipe");
+
+ if (!CallFunction(3, 1, "OnCraftingNoRecipe"))
+ {
+ return false;
+ }
+
+ bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
+ return bRetVal;
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnPostCrafting(const cPlayer * a_Player, const cCraftingGrid * a_Grid, cCraftingRecipe * a_Recipe)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnPostCrafting"))
+ return false;
+
+ tolua_pushusertype(m_LuaState, (void *)a_Player, "cPlayer");
+ tolua_pushusertype(m_LuaState, (void *)a_Grid, "cCraftingGrid");
+ tolua_pushusertype(m_LuaState, (void *)a_Recipe, "cCraftingRecipe");
+
+ if (!CallFunction(3, 1, "OnPostCrafting"))
+ {
+ return false;
+ }
+
+ bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
+ return bRetVal;
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnBlockToPickup(
+ BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta,
+ const cPlayer * a_Player, const cItem & a_EquippedItem, cItems & a_Pickups
+)
+{
+ cLuaItems Pickups(a_Pickups);
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnBlockToPickup"))
+ return false;
+
+ tolua_pushnumber (m_LuaState, a_BlockType);
+ tolua_pushnumber (m_LuaState, a_BlockMeta);
+ tolua_pushusertype(m_LuaState, (void *)a_Player, "cPlayer");
+ tolua_pushusertype(m_LuaState, (void *)&a_EquippedItem, "cItem");
+ tolua_pushusertype(m_LuaState, (void *)&Pickups, "cLuaItems");
+
+ if (!CallFunction(5, 1, "OnBlockToPickup"))
+ {
+ return false;
+ }
+
+ bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
+ return bRetVal;
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnWeatherChanged(cWorld * a_World)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnWeatherChanged"))
+ {
+ return false;
+ }
+
+ tolua_pushusertype(m_LuaState, (void *)a_World, "cWorld");
+
+ if (!CallFunction(1, 1, "OnWeatherChanged"))
+ {
+ return false;
+ }
+
+ bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
+ return bRetVal;
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnUpdatingSign(
+ cWorld * a_World,
+ int a_BlockX, int a_BlockY, int a_BlockZ,
+ AString & a_Line1, AString & a_Line2, AString & a_Line3, AString & a_Line4,
+ cPlayer * a_Player
+)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnUpdatingSign"))
+ {
+ return false;
+ }
+
+ tolua_pushusertype(m_LuaState, (void *)a_World, "cWorld");
+ tolua_pushnumber (m_LuaState, a_BlockX);
+ tolua_pushnumber (m_LuaState, a_BlockY);
+ tolua_pushnumber (m_LuaState, a_BlockZ);
+ tolua_pushstring (m_LuaState, a_Line1.c_str());
+ tolua_pushstring (m_LuaState, a_Line2.c_str());
+ tolua_pushstring (m_LuaState, a_Line3.c_str());
+ tolua_pushstring (m_LuaState, a_Line4.c_str());
+ tolua_pushusertype(m_LuaState, (void *)a_Player, "cPlayer");
+
+ if (!CallFunction(9, 5, "OnUpdatingSign"))
+ {
+ return false;
+ }
+
+ bool bRetVal = (tolua_toboolean( m_LuaState, -5, 0) > 0);
+ if (lua_isstring(m_LuaState, -4))
+ {
+ a_Line1 = tolua_tostring(m_LuaState, -4, "");
+ }
+ if (lua_isstring(m_LuaState, -3))
+ {
+ a_Line2 = tolua_tostring(m_LuaState, -3, "");
+ }
+ if (lua_isstring(m_LuaState, -2))
+ {
+ a_Line3 = tolua_tostring(m_LuaState, -2, "");
+ }
+ if (lua_isstring(m_LuaState, -1))
+ {
+ a_Line4 = tolua_tostring(m_LuaState, -1, "");
+ }
+ return bRetVal;
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnUpdatedSign(
+ cWorld * a_World,
+ int a_BlockX, int a_BlockY, int a_BlockZ,
+ const AString & a_Line1, const AString & a_Line2, const AString & a_Line3, const AString & a_Line4,
+ cPlayer * a_Player
+)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnUpdatedSign"))
+ {
+ return false;
+ }
+
+ tolua_pushusertype(m_LuaState, (void *)a_World, "cWorld");
+ tolua_pushnumber (m_LuaState, a_BlockX);
+ tolua_pushnumber (m_LuaState, a_BlockY);
+ tolua_pushnumber (m_LuaState, a_BlockZ);
+ tolua_pushstring (m_LuaState, a_Line1.c_str());
+ tolua_pushstring (m_LuaState, a_Line2.c_str());
+ tolua_pushstring (m_LuaState, a_Line3.c_str());
+ tolua_pushstring (m_LuaState, a_Line4.c_str());
+ tolua_pushusertype(m_LuaState, (void *)a_Player, "cPlayer");
+
+ if (!CallFunction(9, 1, "OnUpdatedSign"))
+ {
+ return false;
+ }
+
+ bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
+ return bRetVal;
+}
+
+
+
+
+
+bool cPlugin_NewLua::OnHandshake(cClientHandle * a_Client, const AString & a_Username)
+{
+ cCSLock Lock(m_CriticalSection);
+ if (!PushFunction("OnHandshake"))
+ {
+ return false;
+ }
+
+ tolua_pushusertype(m_LuaState, a_Client, "cClientHandle");
+ tolua_pushstring (m_LuaState, a_Username.c_str());
+
+ if (!CallFunction(2, 1, "OnHandshake"))
+ {
+ return false;
+ }
+
+ bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
+ return bRetVal;
+}
+
+
+
+
+
+cPlugin_NewLua * cPlugin_NewLua::CreateWebPlugin(lua_State * a_LuaState)
+{
+ LOGWARN("WARNING: Using deprecated function CreateWebPlugin()! A Lua plugin is a WebPlugin by itself now. (plugin \"%s\" in folder \"%s\")",
+ cPlugin::GetName().c_str(), m_Directory.c_str()
+ );
+ return this;
+}
+
+
+
+
+
+AString cPlugin_NewLua::HandleWebRequest( HTTPRequest * a_Request )
+{
+ cCSLock Lock( m_CriticalSection );
+ std::string RetVal = "";
+
+ std::pair< std::string, std::string > TabName = GetTabNameForRequest(a_Request);
+ std::string SafeTabName = TabName.second;
+ if( SafeTabName.empty() )
+ return "";
+
+ sWebPluginTab* Tab = 0;
+ for( TabList::iterator itr = GetTabs().begin(); itr != GetTabs().end(); ++itr )
+ {
+ if( (*itr)->SafeTitle.compare( SafeTabName ) == 0 ) // This is the one! Rawr
+ {
+ Tab = *itr;
+ break;
+ }
+ }
+
+ if( Tab )
+ {
+ //LOGINFO("1. Stack size: %i", lua_gettop(m_LuaState) );
+ lua_rawgeti( m_LuaState, LUA_REGISTRYINDEX, Tab->UserData); // same as lua_getref()
+
+ //LOGINFO("2. Stack size: %i", lua_gettop(m_LuaState) );
+ // Push HTTPRequest
+ tolua_pushusertype( m_LuaState, a_Request, "HTTPRequest" );
+ //LOGINFO("Calling bound function! :D");
+ int s = lua_pcall( m_LuaState, 1, 1, 0);
+
+ if ( s != 0 )
+ {
+ std::string err = lua_tostring(m_LuaState, -1);
+ LOGERROR("-- %s", err.c_str() );
+ lua_pop(m_LuaState, 1);
+ LOGINFO("error. Stack size: %i", lua_gettop(m_LuaState) );
+ return err; // Show the error message in the web page, looks cool
+ }
+
+ if( !lua_isstring( m_LuaState, -1 ) )
+ {
+ LOGWARN("WARNING: WebPlugin tab '%s' did not return a string!", Tab->Title.c_str() );
+ lua_pop(m_LuaState, 1); // Pop return value
+ return std::string("WARNING: WebPlugin tab '") + Tab->Title + std::string("' did not return a string!");
+ }
+
+ RetVal += tolua_tostring(m_LuaState, -1, 0);
+ lua_pop(m_LuaState, 1); // Pop return value
+ //LOGINFO("ok. Stack size: %i", lua_gettop(m_LuaState) );
+ }
+
+ return RetVal;
+}
+
+
+
+
+
+bool cPlugin_NewLua::AddWebTab( const AString & a_Title, lua_State * a_LuaState, int a_FunctionReference )
+{
+ cCSLock Lock( m_CriticalSection );
+ if( a_LuaState != m_LuaState )
+ {
+ LOGERROR("Only allowed to add a tab to a WebPlugin of your own Plugin!");
+ return false;
+ }
+ sWebPluginTab* Tab = new sWebPluginTab();
+ Tab->Title = a_Title;
+ Tab->SafeTitle = SafeString( a_Title );
+
+ Tab->UserData = a_FunctionReference;
+
+ GetTabs().push_back( Tab );
+ return true;
+}
+
+
+
+
+
+// Helper functions
+bool cPlugin_NewLua::PushFunction( const char* a_FunctionName, bool a_bLogError /* = true */ )
+{
+ lua_getglobal(m_LuaState, a_FunctionName);
+ if(!lua_isfunction(m_LuaState,-1))
+ {
+ if( a_bLogError )
+ {
+ LOGWARN("Error in plugin %s: Could not find function %s()", m_Directory.c_str(), a_FunctionName );
+ }
+ lua_pop(m_LuaState,1);
+ return false;
+ }
+ return true;
+}
+
+bool cPlugin_NewLua::CallFunction( int a_NumArgs, int a_NumResults, const char* a_FunctionName )
+{
+ int s = lua_pcall(m_LuaState, a_NumArgs, a_NumResults, 0);
+ if( report_errors( m_LuaState, s ) )
+ {
+ LOGWARN("Error in plugin %s calling function %s()", m_Directory.c_str(), a_FunctionName );
+ return false;
+ }
+ return true;
+} \ No newline at end of file