109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
#include "cLuaCommandBinder.h"
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#include "cMCLogger.h"
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#include "cPlayer.h"
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#include "cPlugin_Lua.h"
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#include "tolua++.h"
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extern std::vector<std::string> StringSplit(std::string str, std::string delim);
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extern bool report_errors(lua_State* lua, int status);
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cLuaCommandBinder::cLuaCommandBinder()
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{
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}
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cLuaCommandBinder::~cLuaCommandBinder()
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{
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}
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void cLuaCommandBinder::ClearBindings()
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{
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m_BoundCommands.clear();
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}
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void cLuaCommandBinder::RemoveBindingsForPlugin( cPlugin* a_Plugin )
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{
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for( CommandMap::iterator itr = m_BoundCommands.begin(); itr != m_BoundCommands.end(); )
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{
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if( itr->second.Plugin == a_Plugin )
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{
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LOGINFO("Unbinding %s ", itr->first.c_str( ) );
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luaL_unref( itr->second.LuaState, LUA_REGISTRYINDEX, itr->second.Reference ); // unreference
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CommandMap::iterator eraseme = itr;
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++itr;
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m_BoundCommands.erase( eraseme );
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continue;
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}
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++itr;
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}
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}
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bool cLuaCommandBinder::BindCommand( const std::string & a_Command, const std::string & a_Permission, cPlugin* a_Plugin, lua_State * a_LuaState, int a_FunctionReference )
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{
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if( m_BoundCommands.find( a_Command ) != m_BoundCommands.end() )
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{
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LOGERROR("ERROR: Trying to bind command \"%s\" that has already been bound.", a_Command.c_str() );
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return false;
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}
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LOGINFO("Binding %s (%s)", a_Command.c_str(), a_Permission.c_str() );
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m_BoundCommands[ a_Command ] = BoundFunction( a_Plugin, a_LuaState, a_FunctionReference, a_Permission );
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return true;
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}
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bool cLuaCommandBinder::HandleCommand( const std::string & a_Command, cPlayer* a_Player )
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{
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std::vector<std::string> Split = StringSplit( a_Command, " ");
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if( Split.size() == 0 ) return false;
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CommandMap::iterator FoundCommand = m_BoundCommands.find( Split[0] );
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if( FoundCommand != m_BoundCommands.end() )
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{
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const BoundFunction & func = FoundCommand->second;
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if( func.Permission.size() > 0 )
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{
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if( !a_Player->HasPermission( func.Permission.c_str() ) )
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{
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return false;
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}
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}
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// For enabling 'self' in the function, it's kind of a hack I'm not sure this is the way to go
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lua_pushvalue(func.LuaState, LUA_GLOBALSINDEX);
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lua_pushstring(func.LuaState, "self");
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tolua_pushusertype( func.LuaState, func.Plugin, "cPlugin" );
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lua_rawset(func.LuaState, -3);
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lua_pop(func.LuaState, 1);
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LOGINFO("1. Stack size: %i", lua_gettop(func.LuaState) );
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lua_rawgeti( func.LuaState, LUA_REGISTRYINDEX, func.Reference); // same as lua_getref()
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// Push the split
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LOGINFO("2. Stack size: %i", lua_gettop(func.LuaState) );
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lua_createtable(func.LuaState, Split.size(), 0);
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int newTable = lua_gettop(func.LuaState);
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int index = 1;
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std::vector<std::string>::const_iterator iter = Split.begin();
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while(iter != Split.end()) {
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tolua_pushstring( func.LuaState, (*iter).c_str() );
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lua_rawseti(func.LuaState, newTable, index);
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++iter;
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++index;
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}
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LOGINFO("3. Stack size: %i", lua_gettop(func.LuaState) );
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// Push player
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tolua_pushusertype( func.LuaState, a_Player, "cPlayer" );
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LOGINFO("Calling bound function! :D");
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int s = lua_pcall(func.LuaState, 2, 1, 0);
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if( report_errors( func.LuaState, s ) )
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{
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LOGINFO("error. Stack size: %i", lua_gettop(func.LuaState) );
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return false;
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}
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bool RetVal = (tolua_toboolean(func.LuaState, -1, 0) > 0);
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lua_pop(func.LuaState, 1); // Pop return value
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LOGINFO("ok. Stack size: %i", lua_gettop(func.LuaState) );
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return RetVal;
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}
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return false;
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}
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