552 lines
11 KiB
C++
552 lines
11 KiB
C++
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#include "Globals.h" // NOTE: MSVC stupidness requires this to be the same across all modules
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#define LUA_USE_POSIX
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#include "cPlugin_NewLua.h"
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#include "cMCLogger.h"
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#include "cWebPlugin_Lua.h"
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#include "LuaItems.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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#ifdef _WIN32
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// #include "wdirent.h"
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#else
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#include <dirent.h>
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#endif
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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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cCSLock Lock( m_CriticalSection );
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for( WebPluginList::iterator itr = m_WebPlugins.begin(); itr != m_WebPlugins.end(); ++itr )
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{
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delete *itr;
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}
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m_WebPlugins.clear();
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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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cCSLock Lock( m_CriticalSection );
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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 PluginPath = std::string("Plugins/") + m_Directory + "/";
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// Load all files for this plugin, and execute them
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AStringList Files = GetDirectoryContents(PluginPath.c_str());
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for (AStringList::const_iterator itr = Files.begin(); itr != Files.end(); ++itr)
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{
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if (itr->rfind(".lua") == AString::npos)
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{
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continue;
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}
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AString Path = PluginPath + *itr;
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int s = luaL_loadfile(m_LuaState, Path.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(), Path.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(), Path.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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} // for itr - Files[]
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// Call intialize function
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if( !PushFunction("Initialize") )
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{
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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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if( !CallFunction(1, 1, "Initialize") )
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{
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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::OnDisable()
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{
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cCSLock Lock( m_CriticalSection );
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if( !PushFunction("OnDisable", false) ) // false = don't log error if not found
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return;
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CallFunction(0, 0, "OnDisable");
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}
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void cPlugin_NewLua::Tick(float a_Dt)
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{
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cCSLock Lock( m_CriticalSection );
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if( !PushFunction("Tick") )
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return;
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tolua_pushnumber( m_LuaState, a_Dt );
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CallFunction(1, 0, "Tick");
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}
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bool cPlugin_NewLua::OnCollectItem( cPickup* a_Pickup, cPlayer* a_Player )
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{
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cCSLock Lock( m_CriticalSection );
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if( !PushFunction("OnCollectItem") )
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return false;
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tolua_pushusertype(m_LuaState, a_Pickup, "cPickup");
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tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
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if( !CallFunction(2, 1, "OnCollectItem") )
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return false;
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bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bRetVal;
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}
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bool cPlugin_NewLua::OnDisconnect(const AString & a_Reason, cPlayer* a_Player )
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{
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cCSLock Lock( m_CriticalSection );
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if( !PushFunction("OnDisconnect") )
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return false;
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tolua_pushstring( m_LuaState, a_Reason.c_str() );
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tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
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if( !CallFunction(2, 1, "OnDisconnect") )
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return false;
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bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bRetVal;
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}
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bool cPlugin_NewLua::OnBlockPlace( cPacket_BlockPlace* a_PacketData, cPlayer* a_Player )
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{
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cCSLock Lock( m_CriticalSection );
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if( !PushFunction("OnBlockPlace") )
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return false;
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tolua_pushusertype(m_LuaState, a_PacketData, "cPacket_BlockPlace");
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tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
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if( !CallFunction(2, 1, "OnBlockPlace") )
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return false;
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bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bRetVal;
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}
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bool cPlugin_NewLua::OnBlockDig( cPacket_BlockDig* a_PacketData, cPlayer* a_Player, cItem* a_PickupItem )
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{
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cCSLock Lock( m_CriticalSection );
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if( !PushFunction("OnBlockDig") )
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return false;
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tolua_pushusertype(m_LuaState, a_PacketData, "cPacket_BlockDig");
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tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
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tolua_pushusertype(m_LuaState, a_PickupItem, "cItem");
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if( !CallFunction(3, 1, "OnBlockDig") )
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return false;
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bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bRetVal;
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}
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bool cPlugin_NewLua::OnChat( const char* a_Chat, cPlayer* a_Player )
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{
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cCSLock Lock( m_CriticalSection );
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if( !PushFunction("OnChat") )
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return false;
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tolua_pushstring( m_LuaState, a_Chat );
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tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
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if( !CallFunction(2, 1, "OnChat") )
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return false;
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bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bRetVal;
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}
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bool cPlugin_NewLua::OnLogin( cPacket_Login* a_PacketData )
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{
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cCSLock Lock( m_CriticalSection );
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if( !PushFunction("OnLogin") )
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return false;
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tolua_pushusertype(m_LuaState, a_PacketData, "cPacket_Login");
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if( !CallFunction(1, 1, "OnLogin") )
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return false;
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bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bRetVal;
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}
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void cPlugin_NewLua::OnPlayerSpawn( cPlayer* a_Player )
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{
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cCSLock Lock( m_CriticalSection );
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if( !PushFunction("OnPlayerSpawn") )
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return;
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tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
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CallFunction(1, 0, "OnPlayerSpawn");
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}
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bool cPlugin_NewLua::OnPlayerJoin( cPlayer* a_Player )
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{
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cCSLock Lock( m_CriticalSection );
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if( !PushFunction("OnPlayerJoin") )
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return false;
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tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
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if( !CallFunction(1, 1, "OnPlayerJoin") )
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return false;
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bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bRetVal;
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}
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void cPlugin_NewLua::OnPlayerMove( cPlayer* a_Player )
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{
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cCSLock Lock( m_CriticalSection );
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if( !PushFunction("OnPlayerMove") )
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return;
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tolua_pushusertype(m_LuaState, a_Player, "cPlayer");
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CallFunction(1, 0, "OnPlayerMove");
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}
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void cPlugin_NewLua::OnTakeDamage( cPawn* a_Pawn, TakeDamageInfo* a_TakeDamageInfo )
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{
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cCSLock Lock( m_CriticalSection );
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if( !PushFunction("OnTakeDamage") )
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return;
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tolua_pushusertype(m_LuaState, a_Pawn, "cPawn");
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tolua_pushusertype(m_LuaState, a_TakeDamageInfo, "TakeDamageInfo");
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CallFunction(2, 0, "OnTakeDamage");
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}
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bool cPlugin_NewLua::OnKilled( cPawn* a_Killed, cEntity* a_Killer )
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{
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cCSLock Lock( m_CriticalSection );
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if( !PushFunction("OnKilled") )
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return false;
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tolua_pushusertype(m_LuaState, a_Killed, "cPawn");
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tolua_pushusertype(m_LuaState, a_Killer, "cEntity");
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if( !CallFunction(2, 1, "OnKilled") )
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return false;
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bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bRetVal;
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}
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void cPlugin_NewLua::OnChunkGenerated(cWorld * a_World, int a_ChunkX, int a_ChunkZ)
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{
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cCSLock Lock(m_CriticalSection);
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if (!PushFunction("OnChunkGenerated"))
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{
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return;
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}
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tolua_pushusertype(m_LuaState, a_World, "cWorld");
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tolua_pushnumber (m_LuaState, a_ChunkX);
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tolua_pushnumber (m_LuaState, a_ChunkZ);
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CallFunction(3, 0, "OnChunkGenerated");
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}
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bool cPlugin_NewLua::OnChunkGenerating(cWorld * a_World, int a_ChunkX, int a_ChunkZ, cLuaChunk * a_pLuaChunk)
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{
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cCSLock Lock(m_CriticalSection);
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if (!PushFunction("OnChunkGenerating"))
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return false;
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tolua_pushusertype(m_LuaState, a_World, "cWorld");
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tolua_pushnumber (m_LuaState, a_ChunkX);
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tolua_pushnumber (m_LuaState, a_ChunkZ);
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tolua_pushusertype(m_LuaState, a_pLuaChunk, "cLuaChunk");
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if( !CallFunction(3, 1, "OnChunkGenerating") )
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return false;
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bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bRetVal;
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}
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bool cPlugin_NewLua::OnPreCrafting(const cPlayer * a_Player, const cCraftingGrid * a_Grid, cCraftingRecipe * a_Recipe)
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{
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cCSLock Lock(m_CriticalSection);
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if (!PushFunction("OnPreCrafting"))
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return false;
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tolua_pushusertype(m_LuaState, (void *)a_Player, "cPlayer");
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tolua_pushusertype(m_LuaState, (void *)a_Grid, "cCraftingGrid");
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tolua_pushusertype(m_LuaState, (void *)a_Recipe, "cCraftingRecipe");
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if (!CallFunction(3, 1, "OnPreCrafting"))
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{
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return false;
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}
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bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bRetVal;
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}
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bool cPlugin_NewLua::OnCraftingNoRecipe(const cPlayer * a_Player, const cCraftingGrid * a_Grid, cCraftingRecipe * a_Recipe)
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{
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cCSLock Lock(m_CriticalSection);
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if (!PushFunction("OnCraftingNoRecipe"))
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return false;
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tolua_pushusertype(m_LuaState, (void *)a_Player, "cPlayer");
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tolua_pushusertype(m_LuaState, (void *)a_Grid, "cCraftingGrid");
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tolua_pushusertype(m_LuaState, (void *)a_Recipe, "cCraftingRecipe");
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if (!CallFunction(3, 1, "OnCraftingNoRecipe"))
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{
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return false;
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}
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bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bRetVal;
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}
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bool cPlugin_NewLua::OnPostCrafting(const cPlayer * a_Player, const cCraftingGrid * a_Grid, cCraftingRecipe * a_Recipe)
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{
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cCSLock Lock(m_CriticalSection);
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if (!PushFunction("OnPostCrafting"))
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return false;
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tolua_pushusertype(m_LuaState, (void *)a_Player, "cPlayer");
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tolua_pushusertype(m_LuaState, (void *)a_Grid, "cCraftingGrid");
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tolua_pushusertype(m_LuaState, (void *)a_Recipe, "cCraftingRecipe");
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if (!CallFunction(3, 1, "OnPostCrafting"))
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{
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return false;
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}
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bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bRetVal;
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}
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bool cPlugin_NewLua::OnBlockToPickup(
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BLOCKTYPE a_BlockType, NIBBLETYPE a_BlockMeta,
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const cPlayer * a_Player, const cItem & a_EquippedItem, cItems & a_Pickups
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)
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{
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cLuaItems Pickups(a_Pickups);
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cCSLock Lock(m_CriticalSection);
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if (!PushFunction("OnBlockToPickup"))
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return false;
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tolua_pushnumber (m_LuaState, a_BlockType);
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tolua_pushnumber (m_LuaState, a_BlockMeta);
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tolua_pushusertype(m_LuaState, (void *)a_Player, "cPlayer");
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tolua_pushusertype(m_LuaState, (void *)&a_EquippedItem, "cItem");
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tolua_pushusertype(m_LuaState, (void *)&Pickups, "cLuaItems");
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if (!CallFunction(5, 1, "OnBlockToPickup"))
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{
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return false;
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}
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bool bRetVal = (tolua_toboolean( m_LuaState, -1, 0) > 0);
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return bRetVal;
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}
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cWebPlugin_Lua* cPlugin_NewLua::CreateWebPlugin(lua_State* a_LuaState)
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{
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cCSLock Lock( m_CriticalSection );
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if( a_LuaState != m_LuaState )
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{
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LOGERROR("Not allowed to create a WebPlugin from another plugin but your own!");
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return 0;
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}
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cWebPlugin_Lua* WebPlugin = new cWebPlugin_Lua( this );
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m_WebPlugins.push_back( WebPlugin );
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return WebPlugin;
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}
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// Helper functions
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bool cPlugin_NewLua::PushFunction( const char* a_FunctionName, bool a_bLogError /* = true */ )
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{
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lua_getglobal(m_LuaState, a_FunctionName);
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if(!lua_isfunction(m_LuaState,-1))
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{
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if( a_bLogError )
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{
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LOGWARN("Error in plugin %s: Could not find function %s()", m_Directory.c_str(), a_FunctionName );
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}
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lua_pop(m_LuaState,1);
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return false;
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}
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return true;
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}
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bool cPlugin_NewLua::CallFunction( int a_NumArgs, int a_NumResults, const char* a_FunctionName )
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{
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int s = lua_pcall(m_LuaState, a_NumArgs, a_NumResults, 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 %s()", m_Directory.c_str(), a_FunctionName );
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return false;
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}
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return true;
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} |