/* static */ SQInteger AIInfo::Constructor(HSQUIRRELVM vm)
{
/* Get the AIInfo */
SQUserPointer instance = NULL;
if (SQ_FAILED(sq_getinstanceup(vm, 2, &instance, 0)) || instance == NULL) return sq_throwerror(vm, _SC("Pass an instance of a child class of AIInfo to RegisterAI"));
AIInfo *info = (AIInfo *)instance;
SQInteger res = ScriptInfo::Constructor(vm, info);
if (res != 0) return res;
ScriptConfigItem config = _start_date_config;
config.name = strdup(config.name);
config.description = strdup(config.description);
info->config_list.push_front(config);
if (info->engine->MethodExists(*info->SQ_instance, "MinVersionToLoad")) {
if (!info->engine->CallIntegerMethod(*info->SQ_instance, "MinVersionToLoad", &info->min_loadable_version, MAX_GET_OPS)) return SQ_ERROR;
} else {
info->min_loadable_version = info->GetVersion();
}
/* When there is an UseAsRandomAI function, call it. */
if (info->engine->MethodExists(*info->SQ_instance, "UseAsRandomAI")) {
if (!info->engine->CallBoolMethod(*info->SQ_instance, "UseAsRandomAI", &info->use_as_random, MAX_GET_OPS)) return SQ_ERROR;
} else {
info->use_as_random = true;
}
/* Try to get the API version the AI is written for. */
if (info->engine->MethodExists(*info->SQ_instance, "GetAPIVersion")) {
if (!info->engine->CallStringMethodStrdup(*info->SQ_instance, "GetAPIVersion", &info->api_version, MAX_GET_OPS)) return SQ_ERROR;
if (!CheckAPIVersion(info->api_version)) {
DEBUG(script, 1, "Loading info.nut from (%s.%d): GetAPIVersion returned invalid version", info->GetName(), info->GetVersion());
return SQ_ERROR;
}
} else {
info->api_version = strdup("0.7");
}
/* Remove the link to the real instance, else it might get deleted by RegisterAI() */
sq_setinstanceup(vm, 2, NULL);
/* Register the AI to the base system */
info->GetScanner()->RegisterScript(info);
return 0;
}
/* static */ SQInteger AIInfo::DummyConstructor(HSQUIRRELVM vm)
{
/* Get the AIInfo */
SQUserPointer instance;
sq_getinstanceup(vm, 2, &instance, 0);
AIInfo *info = (AIInfo *)instance;
info->api_version = NULL;
SQInteger res = ScriptInfo::Constructor(vm, info);
if (res != 0) return res;
char buf[8];
seprintf(buf, lastof(buf), "%d.%d", GB(_openttd_newgrf_version, 28, 4), GB(_openttd_newgrf_version, 24, 4));
info->api_version = strdup(buf);
/* Remove the link to the real instance, else it might get deleted by RegisterAI() */
sq_setinstanceup(vm, 2, NULL);
/* Register the AI to the base system */
static_cast<AIScannerInfo *>(info->GetScanner())->SetDummyAI(info);
return 0;
}