1 /*
2  * This file is part of OpenTTD.
3  * 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.
4  * 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.
5  * 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/>.
6  */
7 
8 /** @file script_testmode.cpp Implementation of ScriptTestMode. */
9 
10 #include "../../stdafx.h"
11 #include "script_testmode.hpp"
12 #include "../script_instance.hpp"
13 #include "../script_fatalerror.hpp"
14 
15 #include "../../safeguards.h"
16 
ModeProc()17 bool ScriptTestMode::ModeProc()
18 {
19 	/* In test mode we only return 'false', telling the DoCommand it
20 	 *  should stop after testing the command and return with that result. */
21 	return false;
22 }
23 
ScriptTestMode()24 ScriptTestMode::ScriptTestMode()
25 {
26 	this->last_mode     = this->GetDoCommandMode();
27 	this->last_instance = this->GetDoCommandModeInstance();
28 	this->SetDoCommandMode(&ScriptTestMode::ModeProc, this);
29 }
30 
FinalRelease()31 void ScriptTestMode::FinalRelease()
32 {
33 	if (this->GetDoCommandModeInstance() != this) {
34 		/* Ignore this error if the script already died. */
35 		if (!ScriptObject::GetActiveInstance()->IsDead()) {
36 			throw Script_FatalError("Testmode object was removed while it was not the latest *Mode object created.");
37 		}
38 	}
39 }
40 
~ScriptTestMode()41 ScriptTestMode::~ScriptTestMode()
42 {
43 	this->SetDoCommandMode(this->last_mode, this->last_instance);
44 }
45