src/script/api/script_execmode.cpp

   1 /* $Id: script_execmode.cpp 24008 2012-03-04 16:54:12Z rubidium $ */
   2
   3 /*
   4  * This file is part of OpenTTD.
   5  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
   6  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   7  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
   8  */
   9
  10 /** @file script_execmode.cpp Implementation of ScriptExecMode. */
  11
  12 #include "../../stdafx.h"
  13 #include "script_execmode.hpp"
  14 #include "../script_instance.hpp"
  15 #include "../script_fatalerror.hpp"
  16
  17 #include "../../safeguards.h"
  18
  19 bool ScriptExecMode::ModeProc()
  20 {
  21         /* In execution mode we only return 'true', telling the DoCommand it
  22          *  should continue with the real execution of the command. */
  23         return true;
  24 }
  25
  26 ScriptExecMode::ScriptExecMode()
  27 {
  28         this->last_mode     = this->GetDoCommandMode();
  29         this->last_instance = this->GetDoCommandModeInstance();
  30         this->SetDoCommandMode(&ScriptExecMode::ModeProc, this);
  31 }
  32
  33 void ScriptExecMode::FinalRelease()
  34 {
  35         if (this->GetDoCommandModeInstance() != this) {
  36                 /* Ignore this error if the script already died. */
  37                 if (!ScriptObject::GetActiveInstance()->IsDead()) {
  38                         throw Script_FatalError("ScriptExecMode object was removed while it was not the latest *Mode object created.");
  39                 }
  40         }
  41 }
  42
  43 ScriptExecMode::~ScriptExecMode()
  44 {
  45         this->SetDoCommandMode(this->last_mode, this->last_instance);
  46 }