00001
00002
00005 #include "../stdafx.h"
00006 #include "../debug.h"
00007 #include "../settings_type.h"
00008 #include "../vehicle_base.h"
00009 #include "../saveload/saveload.h"
00010 #include "../gui.h"
00011 #include "table/strings.h"
00012
00013 #include <squirrel.h>
00014 #include "../script/squirrel.hpp"
00015 #include "../script/squirrel_helper.hpp"
00016 #include "../script/squirrel_class.hpp"
00017 #include "../script/squirrel_std.hpp"
00018
00019 #define DEFINE_SCRIPT_FILES
00020
00021 #include "ai_info.hpp"
00022 #include "ai_config.hpp"
00023 #include "ai_storage.hpp"
00024 #include "ai_instance.hpp"
00025 #include "ai_gui.hpp"
00026
00027
00028
00029 #include "api/ai_abstractlist.hpp.sq"
00030 #include "api/ai_accounting.hpp.sq"
00031 #include "api/ai_airport.hpp.sq"
00032 #include "api/ai_base.hpp.sq"
00033 #include "api/ai_bridge.hpp.sq"
00034 #include "api/ai_bridgelist.hpp.sq"
00035 #include "api/ai_cargo.hpp.sq"
00036 #include "api/ai_cargolist.hpp.sq"
00037 #include "api/ai_company.hpp.sq"
00038 #include "api/ai_controller.hpp.sq"
00039 #include "api/ai_date.hpp.sq"
00040 #include "api/ai_depotlist.hpp.sq"
00041 #include "api/ai_engine.hpp.sq"
00042 #include "api/ai_enginelist.hpp.sq"
00043 #include "api/ai_error.hpp.sq"
00044 #include "api/ai_event.hpp.sq"
00045 #include "api/ai_event_types.hpp.sq"
00046 #include "api/ai_execmode.hpp.sq"
00047 #include "api/ai_gamesettings.hpp.sq"
00048 #include "api/ai_group.hpp.sq"
00049 #include "api/ai_grouplist.hpp.sq"
00050 #include "api/ai_industry.hpp.sq"
00051 #include "api/ai_industrylist.hpp.sq"
00052 #include "api/ai_industrytype.hpp.sq"
00053 #include "api/ai_industrytypelist.hpp.sq"
00054 #include "api/ai_list.hpp.sq"
00055 #include "api/ai_log.hpp.sq"
00056 #include "api/ai_map.hpp.sq"
00057 #include "api/ai_marine.hpp.sq"
00058 #include "api/ai_order.hpp.sq"
00059 #include "api/ai_rail.hpp.sq"
00060 #include "api/ai_railtypelist.hpp.sq"
00061 #include "api/ai_road.hpp.sq"
00062 #include "api/ai_sign.hpp.sq"
00063 #include "api/ai_signlist.hpp.sq"
00064 #include "api/ai_station.hpp.sq"
00065 #include "api/ai_stationlist.hpp.sq"
00066 #include "api/ai_subsidy.hpp.sq"
00067 #include "api/ai_subsidylist.hpp.sq"
00068 #include "api/ai_testmode.hpp.sq"
00069 #include "api/ai_tile.hpp.sq"
00070 #include "api/ai_tilelist.hpp.sq"
00071 #include "api/ai_town.hpp.sq"
00072 #include "api/ai_townlist.hpp.sq"
00073 #include "api/ai_tunnel.hpp.sq"
00074 #include "api/ai_vehicle.hpp.sq"
00075 #include "api/ai_vehiclelist.hpp.sq"
00076 #include "api/ai_waypoint.hpp.sq"
00077 #include "api/ai_waypointlist.hpp.sq"
00078
00079 #undef DEFINE_SCRIPT_FILES
00080
00081 AIInstance *AIInstance::current_instance = NULL;
00082
00083 AIStorage::~AIStorage()
00084 {
00085
00086 if (event_data != NULL) AIEventController::FreeEventPointer();
00087 if (log_data != NULL) AILog::FreeLogPointer();
00088 }
00089
00090 static void PrintFunc(bool error_msg, const SQChar *message)
00091 {
00092
00093 AIController::Print(error_msg, FS2OTTD(message));
00094 }
00095
00096 AIInstance::AIInstance(AIInfo *info) :
00097 controller(NULL),
00098 storage(NULL),
00099 engine(NULL),
00100 instance(NULL),
00101 is_started(false),
00102 is_dead(false),
00103 is_save_data_on_stack(false),
00104 suspend(0),
00105 callback(NULL)
00106 {
00107
00108 GetCompany(_current_company)->ai_instance = this;
00109 AIInstance::current_instance = this;
00110
00111 this->controller = new AIController();
00112 this->storage = new AIStorage();
00113 this->engine = new Squirrel();
00114 this->engine->SetPrintFunction(&PrintFunc);
00115
00116
00117 this->engine->AddMethod("import", &AILibrary::Import, 4, ".ssi");
00118
00119
00120 SQAIController_Register(this->engine);
00121
00122
00123 const char *main_script = info->GetMainScript();
00124 if (strcmp(main_script, "%_dummy") == 0) {
00125 extern void AI_CreateAIDummy(HSQUIRRELVM vm);
00126 AI_CreateAIDummy(this->engine->GetVM());
00127 } else if (!this->engine->LoadScript(main_script)) {
00128 this->Died();
00129 return;
00130 }
00131
00132
00133 this->instance = MallocT<SQObject>(1);
00134 if (!this->engine->CreateClassInstance(info->GetInstanceName(), this->controller, this->instance)) {
00135 this->Died();
00136 return;
00137 }
00138
00139
00140 this->RegisterAPI();
00141 }
00142
00143 AIInstance::~AIInstance()
00144 {
00145 if (instance != NULL) this->engine->ReleaseObject(this->instance);
00146 if (engine != NULL) delete this->engine;
00147 delete this->storage;
00148 delete this->controller;
00149 free(this->instance);
00150 }
00151
00152 void AIInstance::RegisterAPI()
00153 {
00154
00155 squirrel_register_std(this->engine);
00156 SQAIAbstractList_Register(this->engine);
00157 SQAIAccounting_Register(this->engine);
00158 SQAIAirport_Register(this->engine);
00159 SQAIBase_Register(this->engine);
00160 SQAIBridge_Register(this->engine);
00161 SQAIBridgeList_Register(this->engine);
00162 SQAIBridgeList_Length_Register(this->engine);
00163 SQAICargo_Register(this->engine);
00164 SQAICargoList_Register(this->engine);
00165 SQAICargoList_IndustryAccepting_Register(this->engine);
00166 SQAICargoList_IndustryProducing_Register(this->engine);
00167 SQAICompany_Register(this->engine);
00168 SQAIDate_Register(this->engine);
00169 SQAIDepotList_Register(this->engine);
00170 SQAIEngine_Register(this->engine);
00171 SQAIEngineList_Register(this->engine);
00172 SQAIError_Register(this->engine);
00173 SQAIEvent_Register(this->engine);
00174 SQAIEventCompanyBankrupt_Register(this->engine);
00175 SQAIEventCompanyInTrouble_Register(this->engine);
00176 SQAIEventCompanyMerger_Register(this->engine);
00177 SQAIEventCompanyNew_Register(this->engine);
00178 SQAIEventController_Register(this->engine);
00179 SQAIEventDisasterZeppelinerCleared_Register(this->engine);
00180 SQAIEventDisasterZeppelinerCrashed_Register(this->engine);
00181 SQAIEventEngineAvailable_Register(this->engine);
00182 SQAIEventEnginePreview_Register(this->engine);
00183 SQAIEventIndustryClose_Register(this->engine);
00184 SQAIEventIndustryOpen_Register(this->engine);
00185 SQAIEventStationFirstVehicle_Register(this->engine);
00186 SQAIEventSubsidyAwarded_Register(this->engine);
00187 SQAIEventSubsidyExpired_Register(this->engine);
00188 SQAIEventSubsidyOffer_Register(this->engine);
00189 SQAIEventSubsidyOfferExpired_Register(this->engine);
00190 SQAIEventVehicleCrashed_Register(this->engine);
00191 SQAIEventVehicleLost_Register(this->engine);
00192 SQAIEventVehicleUnprofitable_Register(this->engine);
00193 SQAIEventVehicleWaitingInDepot_Register(this->engine);
00194 SQAIExecMode_Register(this->engine);
00195 SQAIGameSettings_Register(this->engine);
00196 SQAIGroup_Register(this->engine);
00197 SQAIGroupList_Register(this->engine);
00198 SQAIIndustry_Register(this->engine);
00199 SQAIIndustryList_Register(this->engine);
00200 SQAIIndustryList_CargoAccepting_Register(this->engine);
00201 SQAIIndustryList_CargoProducing_Register(this->engine);
00202 SQAIIndustryType_Register(this->engine);
00203 SQAIIndustryTypeList_Register(this->engine);
00204 SQAIList_Register(this->engine);
00205 SQAILog_Register(this->engine);
00206 SQAIMap_Register(this->engine);
00207 SQAIMarine_Register(this->engine);
00208 SQAIOrder_Register(this->engine);
00209 SQAIRail_Register(this->engine);
00210 SQAIRailTypeList_Register(this->engine);
00211 SQAIRoad_Register(this->engine);
00212 SQAISign_Register(this->engine);
00213 SQAISignList_Register(this->engine);
00214 SQAIStation_Register(this->engine);
00215 SQAIStationList_Register(this->engine);
00216 SQAIStationList_Vehicle_Register(this->engine);
00217 SQAISubsidy_Register(this->engine);
00218 SQAISubsidyList_Register(this->engine);
00219 SQAITestMode_Register(this->engine);
00220 SQAITile_Register(this->engine);
00221 SQAITileList_Register(this->engine);
00222 SQAITileList_IndustryAccepting_Register(this->engine);
00223 SQAITileList_IndustryProducing_Register(this->engine);
00224 SQAITileList_StationType_Register(this->engine);
00225 SQAITown_Register(this->engine);
00226 SQAITownList_Register(this->engine);
00227 SQAITunnel_Register(this->engine);
00228 SQAIVehicle_Register(this->engine);
00229 SQAIVehicleList_Register(this->engine);
00230 SQAIVehicleList_DefaultGroup_Register(this->engine);
00231 SQAIVehicleList_Group_Register(this->engine);
00232 SQAIVehicleList_SharedOrders_Register(this->engine);
00233 SQAIVehicleList_Station_Register(this->engine);
00234 SQAIWaypoint_Register(this->engine);
00235 SQAIWaypointList_Register(this->engine);
00236 SQAIWaypointList_Vehicle_Register(this->engine);
00237
00238 this->engine->SetGlobalPointer(this->engine);
00239 }
00240
00241 void AIInstance::Continue()
00242 {
00243 assert(this->suspend < 0);
00244 this->suspend = -this->suspend - 1;
00245 }
00246
00247 void AIInstance::Died()
00248 {
00249 DEBUG(ai, 0, "The AI died unexpectedly.");
00250 this->is_dead = true;
00251
00252 if (this->instance != NULL) this->engine->ReleaseObject(this->instance);
00253 delete this->engine;
00254 this->instance = NULL;
00255 this->engine = NULL;
00256
00257 ShowAIDebugWindow(_current_company);
00258
00259 const AIInfo *info = AIConfig::GetConfig(_current_company)->GetInfo();
00260 if (info != NULL) {
00261 ShowErrorMessage(INVALID_STRING_ID, STR_AI_PLEASE_REPORT_CRASH, 0, 0);
00262
00263 if (info->GetURL() != NULL) {
00264 AILog::Info("Please report the error to the following URL:");
00265 AILog::Info(info->GetURL());
00266 }
00267 }
00268 }
00269
00270 void AIInstance::GameLoop()
00271 {
00272 if (this->is_dead) return;
00273 if (this->engine->HasScriptCrashed()) {
00274
00275 this->Died();
00276 return;
00277 }
00278 this->controller->ticks++;
00279
00280 if (this->suspend < -1) this->suspend++;
00281 if (this->suspend < 0) return;
00282 if (--this->suspend > 0) return;
00283
00284
00285 if (this->callback != NULL) {
00286 if (this->is_save_data_on_stack) {
00287 sq_poptop(this->engine->GetVM());
00288 this->is_save_data_on_stack = false;
00289 }
00290 try {
00291 this->callback(this);
00292 } catch (AI_VMSuspend e) {
00293 this->suspend = e.GetSuspendTime();
00294 this->callback = e.GetSuspendCallback();
00295
00296 return;
00297 }
00298 }
00299
00300 this->suspend = 0;
00301 this->callback = NULL;
00302
00303 if (!this->is_started) {
00304 try {
00305 AIObject::SetAllowDoCommand(false);
00306
00307 if (this->engine->MethodExists(*this->instance, "constructor")) {
00308 if (!this->engine->CallMethod(*this->instance, "constructor", 100000) || this->engine->IsSuspended()) {
00309 if (this->engine->IsSuspended()) AILog::Error("This AI took too long to initialize. AI is not started.");
00310 this->Died();
00311 return;
00312 }
00313 }
00314 if (!this->CallLoad() || this->engine->IsSuspended()) {
00315 if (this->engine->IsSuspended()) AILog::Error("This AI took too long in the Load function. AI is not started.");
00316 this->Died();
00317 return;
00318 }
00319 AIObject::SetAllowDoCommand(true);
00320
00321 if (!this->engine->CallMethod(*this->instance, "Start", _settings_game.ai.ai_max_opcode_till_suspend) || !this->engine->IsSuspended()) this->Died();
00322 } catch (AI_VMSuspend e) {
00323 this->suspend = e.GetSuspendTime();
00324 this->callback = e.GetSuspendCallback();
00325 }
00326
00327 this->is_started = true;
00328 return;
00329 }
00330 if (this->is_save_data_on_stack) {
00331 sq_poptop(this->engine->GetVM());
00332 this->is_save_data_on_stack = false;
00333 }
00334
00335
00336 try {
00337 if (!this->engine->Resume(_settings_game.ai.ai_max_opcode_till_suspend)) this->Died();
00338 } catch (AI_VMSuspend e) {
00339 this->suspend = e.GetSuspendTime();
00340 this->callback = e.GetSuspendCallback();
00341 }
00342 }
00343
00344 void AIInstance::CollectGarbage()
00345 {
00346 if (this->is_started && !this->is_dead) this->engine->CollectGarbage();
00347 }
00348
00349 void AIInstance::DoCommandReturn(AIInstance *instance)
00350 {
00351 instance->engine->InsertResult(AIObject::GetLastCommandRes());
00352 }
00353
00354 void AIInstance::DoCommandReturnVehicleID(AIInstance *instance)
00355 {
00356 instance->engine->InsertResult(AIObject::GetNewVehicleID());
00357 }
00358
00359 void AIInstance::DoCommandReturnSignID(AIInstance *instance)
00360 {
00361 instance->engine->InsertResult(AIObject::GetNewSignID());
00362 }
00363
00364 void AIInstance::DoCommandReturnGroupID(AIInstance *instance)
00365 {
00366 instance->engine->InsertResult(AIObject::GetNewGroupID());
00367 }
00368
00369 AIStorage *AIInstance::GetStorage()
00370 {
00371 assert(IsValidCompanyID(_current_company) && !IsHumanCompany(_current_company));
00372 return GetCompany(_current_company)->ai_instance->storage;
00373 }
00374
00375
00376
00377
00378
00379
00380
00381
00382
00383
00384
00385
00386
00387
00388
00389
00390
00391
00392
00393
00394
00395
00397 enum SQSaveLoadType {
00398 SQSL_INT = 0x00,
00399 SQSL_STRING = 0x01,
00400 SQSL_ARRAY = 0x02,
00401 SQSL_TABLE = 0x03,
00402 SQSL_BOOL = 0x04,
00403 SQSL_NULL = 0x05,
00404 SQSL_ARRAY_TABLE_END = 0xFF,
00405 };
00406
00407 static byte _ai_sl_byte;
00408
00409 static const SaveLoad _ai_byte[] = {
00410 SLEG_VAR(_ai_sl_byte, SLE_UINT8),
00411 SLE_END()
00412 };
00413
00414 enum {
00415 AISAVE_MAX_DEPTH = 25,
00416 };
00417
00418 bool AIInstance::SaveObject(HSQUIRRELVM vm, SQInteger index, int max_depth, bool test)
00419 {
00420 if (max_depth == 0) {
00421 AILog::Error("Savedata can only be nested to 25 deep. No data saved.");
00422 return false;
00423 }
00424
00425 switch (sq_gettype(vm, index)) {
00426 case OT_INTEGER: {
00427 if (!test) {
00428 _ai_sl_byte = SQSL_INT;
00429 SlObject(NULL, _ai_byte);
00430 }
00431 SQInteger res;
00432 sq_getinteger(vm, index, &res);
00433 if (!test) {
00434 int value = (int)res;
00435 SlArray(&value, 1, SLE_INT32);
00436 }
00437 return true;
00438 }
00439
00440 case OT_STRING: {
00441 if (!test) {
00442 _ai_sl_byte = SQSL_STRING;
00443 SlObject(NULL, _ai_byte);
00444 }
00445 const SQChar *res;
00446 sq_getstring(vm, index, &res);
00447
00448
00449 const char *buf = FS2OTTD(res);
00450 size_t len = strlen(buf) + 1;
00451 if (len >= 255) {
00452 AILog::Error("Maximum string length is 254 chars. No data saved.");
00453 return false;
00454 }
00455 if (!test) {
00456 _ai_sl_byte = (byte)len;
00457 SlObject(NULL, _ai_byte);
00458 SlArray((void*)buf, len, SLE_CHAR);
00459 }
00460 return true;
00461 }
00462
00463 case OT_ARRAY: {
00464 if (!test) {
00465 _ai_sl_byte = SQSL_ARRAY;
00466 SlObject(NULL, _ai_byte);
00467 }
00468 sq_pushnull(vm);
00469 while (SQ_SUCCEEDED(sq_next(vm, index - 1))) {
00470
00471 bool res = SaveObject(vm, -1, max_depth - 1, test);
00472 sq_pop(vm, 2);
00473 if (!res) {
00474 sq_pop(vm, 1);
00475 return false;
00476 }
00477 }
00478 sq_pop(vm, 1);
00479 if (!test) {
00480 _ai_sl_byte = SQSL_ARRAY_TABLE_END;
00481 SlObject(NULL, _ai_byte);
00482 }
00483 return true;
00484 }
00485
00486 case OT_TABLE: {
00487 if (!test) {
00488 _ai_sl_byte = SQSL_TABLE;
00489 SlObject(NULL, _ai_byte);
00490 }
00491 sq_pushnull(vm);
00492 while (SQ_SUCCEEDED(sq_next(vm, index - 1))) {
00493
00494 bool res = SaveObject(vm, -2, max_depth - 1, test) && SaveObject(vm, -1, max_depth - 1, test);
00495 sq_pop(vm, 2);
00496 if (!res) {
00497 sq_pop(vm, 1);
00498 return false;
00499 }
00500 }
00501 sq_pop(vm, 1);
00502 if (!test) {
00503 _ai_sl_byte = SQSL_ARRAY_TABLE_END;
00504 SlObject(NULL, _ai_byte);
00505 }
00506 return true;
00507 }
00508
00509 case OT_BOOL: {
00510 if (!test) {
00511 _ai_sl_byte = SQSL_BOOL;
00512 SlObject(NULL, _ai_byte);
00513 }
00514 SQBool res;
00515 sq_getbool(vm, index, &res);
00516 if (!test) {
00517 _ai_sl_byte = res ? 1 : 0;
00518 SlObject(NULL, _ai_byte);
00519 }
00520 return true;
00521 }
00522
00523 case OT_NULL: {
00524 if (!test) {
00525 _ai_sl_byte = SQSL_NULL;
00526 SlObject(NULL, _ai_byte);
00527 }
00528 return true;
00529 }
00530
00531 default:
00532 AILog::Error("You tried to save an unsupported type. No data saved.");
00533 return false;
00534 }
00535 }
00536
00537 void AIInstance::SaveEmpty()
00538 {
00539 _ai_sl_byte = 0;
00540 SlObject(NULL, _ai_byte);
00541 }
00542
00543 void AIInstance::Save()
00544 {
00545
00546 if (this->engine == NULL || this->engine->HasScriptCrashed()) {
00547 SaveEmpty();
00548 return;
00549 }
00550
00551 HSQUIRRELVM vm = this->engine->GetVM();
00552 if (this->is_save_data_on_stack) {
00553 _ai_sl_byte = 1;
00554 SlObject(NULL, _ai_byte);
00555
00556 SaveObject(vm, -1, AISAVE_MAX_DEPTH, false);
00557 } else if (!this->is_started) {
00558 SaveEmpty();
00559 return;
00560 } else if (this->engine->MethodExists(*this->instance, "Save")) {
00561 HSQOBJECT savedata;
00562
00563 bool backup_allow = AIObject::GetAllowDoCommand();
00564 AIObject::SetAllowDoCommand(false);
00565 if (!this->engine->CallMethod(*this->instance, "Save", &savedata)) {
00566
00567
00568 SaveEmpty();
00569 return;
00570 }
00571 AIObject::SetAllowDoCommand(backup_allow);
00572
00573 if (!sq_istable(savedata)) {
00574 AILog::Error("Save function should return a table.");
00575 SaveEmpty();
00576 this->engine->CrashOccurred();
00577 return;
00578 }
00579 sq_pushobject(vm, savedata);
00580 if (SaveObject(vm, -1, AISAVE_MAX_DEPTH, true)) {
00581 _ai_sl_byte = 1;
00582 SlObject(NULL, _ai_byte);
00583 SaveObject(vm, -1, AISAVE_MAX_DEPTH, false);
00584 this->is_save_data_on_stack = true;
00585 } else {
00586 SaveEmpty();
00587 this->engine->CrashOccurred();
00588 }
00589 } else {
00590 AILog::Warning("Save function is not implemented");
00591 _ai_sl_byte = 0;
00592 SlObject(NULL, _ai_byte);
00593 }
00594
00595 }
00596
00597 bool AIInstance::LoadObjects(HSQUIRRELVM vm)
00598 {
00599 SlObject(NULL, _ai_byte);
00600 switch (_ai_sl_byte) {
00601 case SQSL_INT: {
00602 int value;
00603 SlArray(&value, 1, SLE_INT32);
00604 if (vm != NULL) sq_pushinteger(vm, (SQInteger)value);
00605 return true;
00606 }
00607
00608 case SQSL_STRING: {
00609 SlObject(NULL, _ai_byte);
00610 static char buf[256];
00611 SlArray(buf, _ai_sl_byte, SLE_CHAR);
00612 if (vm != NULL) sq_pushstring(vm, OTTD2FS(buf), -1);
00613 return true;
00614 }
00615
00616 case SQSL_ARRAY: {
00617 if (vm != NULL) sq_newarray(vm, 0);
00618 while (LoadObjects(vm)) {
00619 if (vm != NULL) sq_arrayappend(vm, -2);
00620
00621 }
00622 return true;
00623 }
00624
00625 case SQSL_TABLE: {
00626 if (vm != NULL) sq_newtable(vm);
00627 while (LoadObjects(vm)) {
00628 LoadObjects(vm);
00629 if (vm != NULL) sq_rawset(vm, -3);
00630
00631 }
00632 return true;
00633 }
00634
00635 case SQSL_BOOL: {
00636 SlObject(NULL, _ai_byte);
00637 if (vm != NULL) sq_pushinteger(vm, (SQBool)(_ai_sl_byte != 0));
00638 return true;
00639 }
00640
00641 case SQSL_NULL: {
00642 if (vm != NULL) sq_pushnull(vm);
00643 return true;
00644 }
00645
00646 case SQSL_ARRAY_TABLE_END: {
00647 return false;
00648 }
00649
00650 default: NOT_REACHED();
00651 }
00652 }
00653
00654 void AIInstance::LoadEmpty()
00655 {
00656 SlObject(NULL, _ai_byte);
00657
00658 if (_ai_sl_byte == 0) return;
00659
00660 LoadObjects(NULL);
00661 }
00662
00663 void AIInstance::Load(int version)
00664 {
00665 if (this->engine == NULL || version == -1) {
00666 LoadEmpty();
00667 return;
00668 }
00669 HSQUIRRELVM vm = this->engine->GetVM();
00670
00671 SlObject(NULL, _ai_byte);
00672
00673 if (_ai_sl_byte == 0) return;
00674
00675 sq_pushinteger(vm, version);
00676 LoadObjects(vm);
00677 this->is_save_data_on_stack = true;
00678 }
00679
00680 bool AIInstance::CallLoad()
00681 {
00682 HSQUIRRELVM vm = this->engine->GetVM();
00683
00684 if (!this->is_save_data_on_stack) return true;
00685
00686 this->is_save_data_on_stack = false;
00687
00688 if (!this->engine->MethodExists(*this->instance, "Load")) {
00689 AILog::Warning("Loading failed: there was data for the AI to load, but the AI does not have a Load() function.");
00690
00691
00692 sq_pop(vm, 2);
00693 return true;
00694 }
00695
00696
00697 sq_pushobject(vm, *this->instance);
00698
00699 sq_pushstring(vm, OTTD2FS("Load"), -1);
00700
00701 sq_get(vm, -2);
00702
00703 sq_pushobject(vm, *this->instance);
00704
00705 sq_push(vm, -5);
00706 sq_push(vm, -5);
00707
00708
00709
00710 if (SQ_FAILED(sq_call(vm, 3, SQFalse, SQFalse, 100000))) return false;
00711
00712
00713 sq_pop(vm, 4);
00714 return true;
00715 }