/* $Id$ */
/** @file ai_info_dummy.cpp Implementation of a dummy AI. */
#include <squirrel.h>
#include "../stdafx.h"
/* The reason this exists in C++, is that a user can trash his ai/ dir,
* leaving no AIs available. The complexity to solve this is insane, and
* therefor the alternative is used, and make sure there is always an AI
* available, no matter what the situation is. By defining it in C++, there
* is simply now way a user can delete it, and therefor safe to use. It has
* to be noted that this AI is complete invisible for the user, and impossible
* to select manual. It is a fail-over in case no AIs are available.
*/
const SQChar dummy_script_info[] = _SC(" \n\
class DummyAI extends AIInfo { \n\
function GetAuthor() { return \"OpenTTD NoAI Developers Team\"; } \n\
function GetName() { return \"DummyAI\"; } \n\
function GetShortName() { return \"DUMM\"; } \n\
function GetDescription() { return \"A Dummy AI that is loaded when your ai/ dir is empty\"; }\n\
function GetVersion() { return 1; } \n\
function GetDate() { return \"2008-07-26\"; } \n\
function CreateInstance() { return \"DummyAI\"; } \n\
} \n\
\n\
RegisterDummyAI(DummyAI()); \n\
");
const SQChar dummy_script[] = _SC(" \n\
class DummyAI extends AIController { \n\
function Start() { \n\
AILog.Error(\"No suitable AI found to load.\"); \n\
AILog.Error(\"This AI is a dummy AI and won't do anything.\"); \n\
AILog.Error(\"You can download several AIs via the 'Online Content' system.\"); \n\
} \n\
} \n\
");
void AI_CreateAIInfoDummy(HSQUIRRELVM vm)
{
sq_pushroottable(vm);
/* Load and run the script */
if (SQ_SUCCEEDED(sq_compilebuffer(vm, dummy_script_info, scstrlen(dummy_script_info), _SC("dummy"), SQTrue))) {
sq_push(vm, -2);
if (SQ_SUCCEEDED(sq_call(vm, 1, SQFalse, SQTrue))) {
sq_pop(vm, 1);
return;
}
}
NOT_REACHED();
}
void AI_CreateAIDummy(HSQUIRRELVM vm)
{
sq_pushroottable(vm);
/* Load and run the script */
if (SQ_SUCCEEDED(sq_compilebuffer(vm, dummy_script, scstrlen(dummy_script), _SC("dummy"), SQTrue))) {
sq_push(vm, -2);
if (SQ_SUCCEEDED(sq_call(vm, 1, SQFalse, SQTrue))) {
sq_pop(vm, 1);
return;
}
}
NOT_REACHED();
}