mirror of
https://github.com/JGRennison/OpenTTD-patches.git
synced 2024-11-17 21:25:40 +00:00
265ac67183
- reduce to 2 sizes (*DParam64 for 64bit values, *DParam for the rest) - use inline functions instead of macros - add assert()s to check for buffer overruns
518 lines
13 KiB
C
518 lines
13 KiB
C
#include "stdafx.h"
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#include "ttd.h"
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#include "table/strings.h"
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#include "gui.h"
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#include "command.h"
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#include "player.h"
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#define DEF_COMMAND(yyyy) int32 yyyy(int x, int y, uint32 flags, uint32 p1, uint32 p2)
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DEF_COMMAND(CmdBuildRailroadTrack);
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DEF_COMMAND(CmdRemoveRailroadTrack);
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DEF_COMMAND(CmdBuildSingleRail);
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DEF_COMMAND(CmdRemoveSingleRail);
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DEF_COMMAND(CmdLandscapeClear);
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DEF_COMMAND(CmdBuildBridge);
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DEF_COMMAND(CmdBuildRailroadStation);
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DEF_COMMAND(CmdRemoveFromRailroadStation);
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DEF_COMMAND(CmdConvertRail);
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DEF_COMMAND(CmdBuildSignals);
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DEF_COMMAND(CmdRemoveSignals);
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DEF_COMMAND(CmdTerraformLand);
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DEF_COMMAND(CmdPurchaseLandArea);
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DEF_COMMAND(CmdSellLandArea);
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DEF_COMMAND(CmdBuildTunnel);
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DEF_COMMAND(CmdBuildTrainDepot);
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DEF_COMMAND(CmdBuildTrainWaypoint);
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DEF_COMMAND(CmdRenameWaypoint);
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DEF_COMMAND(CmdRemoveTrainWaypoint);
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DEF_COMMAND(CmdBuildTruckStation);
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DEF_COMMAND(CmdBuildBusStation);
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DEF_COMMAND(CmdBuildLongRoad);
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DEF_COMMAND(CmdRemoveLongRoad);
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DEF_COMMAND(CmdBuildRoad);
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DEF_COMMAND(CmdRemoveRoad);
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DEF_COMMAND(CmdBuildRoadDepot);
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DEF_COMMAND(CmdBuildAirport);
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DEF_COMMAND(CmdBuildDock);
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DEF_COMMAND(CmdBuildShipDepot);
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DEF_COMMAND(CmdBuildBuoy);
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DEF_COMMAND(CmdPlantTree);
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DEF_COMMAND(CmdBuildRailVehicle);
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DEF_COMMAND(CmdMoveRailVehicle);
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DEF_COMMAND(CmdStartStopTrain);
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DEF_COMMAND(CmdSellRailWagon);
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DEF_COMMAND(CmdTrainGotoDepot);
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DEF_COMMAND(CmdForceTrainProceed);
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DEF_COMMAND(CmdReverseTrainDirection);
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DEF_COMMAND(CmdModifyOrder);
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DEF_COMMAND(CmdSkipOrder);
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DEF_COMMAND(CmdDeleteOrder);
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DEF_COMMAND(CmdInsertOrder);
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DEF_COMMAND(CmdChangeTrainServiceInt);
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DEF_COMMAND(CmdRestoreOrderIndex);
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DEF_COMMAND(CmdBuildIndustry);
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//DEF_COMMAND(CmdDestroyIndustry);
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DEF_COMMAND(CmdBuildCompanyHQ);
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DEF_COMMAND(CmdDestroyCompanyHQ);
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DEF_COMMAND(CmdSetPlayerFace);
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DEF_COMMAND(CmdSetPlayerColor);
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DEF_COMMAND(CmdIncreaseLoan);
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DEF_COMMAND(CmdDecreaseLoan);
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DEF_COMMAND(CmdWantEnginePreview);
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DEF_COMMAND(CmdNameVehicle);
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DEF_COMMAND(CmdRenameEngine);
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DEF_COMMAND(CmdChangeCompanyName);
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DEF_COMMAND(CmdChangePresidentName);
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DEF_COMMAND(CmdRenameStation);
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DEF_COMMAND(CmdSellAircraft);
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DEF_COMMAND(CmdStartStopAircraft);
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DEF_COMMAND(CmdBuildAircraft);
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DEF_COMMAND(CmdSendAircraftToHangar);
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DEF_COMMAND(CmdChangeAircraftServiceInt);
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DEF_COMMAND(CmdRefitAircraft);
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DEF_COMMAND(CmdPlaceSign);
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DEF_COMMAND(CmdRenameSign);
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DEF_COMMAND(CmdBuildRoadVeh);
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DEF_COMMAND(CmdStartStopRoadVeh);
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DEF_COMMAND(CmdSellRoadVeh);
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DEF_COMMAND(CmdSendRoadVehToDepot);
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DEF_COMMAND(CmdTurnRoadVeh);
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DEF_COMMAND(CmdChangeRoadVehServiceInt);
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DEF_COMMAND(CmdPause);
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DEF_COMMAND(CmdResume);
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DEF_COMMAND(CmdBuyShareInCompany);
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DEF_COMMAND(CmdSellShareInCompany);
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DEF_COMMAND(CmdBuyCompany);
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DEF_COMMAND(CmdBuildTown);
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DEF_COMMAND(CmdRenameTown);
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DEF_COMMAND(CmdDoTownAction);
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DEF_COMMAND(CmdSetRoadDriveSide);
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DEF_COMMAND(CmdSetTownNameType);
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DEF_COMMAND(CmdChangeDifficultyLevel);
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DEF_COMMAND(CmdStartStopShip);
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DEF_COMMAND(CmdSellShip);
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DEF_COMMAND(CmdBuildShip);
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DEF_COMMAND(CmdSendShipToDepot);
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DEF_COMMAND(CmdChangeShipServiceInt);
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DEF_COMMAND(CmdRefitShip);
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DEF_COMMAND(CmdStartNewGame);
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DEF_COMMAND(CmdLoadGame);
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DEF_COMMAND(CmdCreateScenario);
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DEF_COMMAND(CmdSetSinglePlayer);
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DEF_COMMAND(CmdSetNewLandscapeType);
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DEF_COMMAND(CmdGenRandomNewGame);
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DEF_COMMAND(CmdCloneOrder);
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DEF_COMMAND(CmdClearArea);
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DEF_COMMAND(CmdMoneyCheat);
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DEF_COMMAND(CmdBuildCanal);
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DEF_COMMAND(CmdBuildLock);
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DEF_COMMAND(CmdPlayerCtrl);
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DEF_COMMAND(CmdLevelLand);
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DEF_COMMAND(CmdRefitRailVehicle);
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DEF_COMMAND(CmdStartScenario);
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DEF_COMMAND(CmdBuildManySignals);
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/* The master command table */
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static CommandProc * const _command_proc_table[] = {
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CmdBuildRailroadTrack, /* 0 */
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CmdRemoveRailroadTrack, /* 1 */
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CmdBuildSingleRail, /* 2 */
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CmdRemoveSingleRail, /* 3 */
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CmdLandscapeClear, /* 4 */
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CmdBuildBridge, /* 5 */
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CmdBuildRailroadStation, /* 6 */
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CmdBuildTrainDepot, /* 7 */
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CmdBuildSignals, /* 8 */
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CmdRemoveSignals, /* 9 */
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CmdTerraformLand, /* 10 */
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CmdPurchaseLandArea, /* 11 */
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CmdSellLandArea, /* 12 */
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CmdBuildTunnel, /* 13 */
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CmdRemoveFromRailroadStation, /* 14 */
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CmdConvertRail, /* 15 */
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CmdBuildTrainWaypoint, /* 16 */
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CmdRenameWaypoint, /* 17 */
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CmdRemoveTrainWaypoint, /* 18 */
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CmdBuildTruckStation, /* 19 */
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NULL, /* 20 */
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CmdBuildBusStation, /* 21 */
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NULL, /* 22 */
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CmdBuildLongRoad, /* 23 */
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CmdRemoveLongRoad, /* 24 */
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CmdBuildRoad, /* 25 */
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CmdRemoveRoad, /* 26 */
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CmdBuildRoadDepot, /* 27 */
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NULL, /* 28 */
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CmdBuildAirport, /* 29 */
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CmdBuildDock, /* 30 */
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CmdBuildShipDepot, /* 31 */
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CmdBuildBuoy, /* 32 */
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CmdPlantTree, /* 33 */
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CmdBuildRailVehicle, /* 34 */
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CmdMoveRailVehicle, /* 35 */
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CmdStartStopTrain, /* 36 */
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NULL, /* 37 */
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CmdSellRailWagon, /* 38 */
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CmdTrainGotoDepot, /* 39 */
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CmdForceTrainProceed, /* 40 */
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CmdReverseTrainDirection, /* 41 */
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CmdModifyOrder, /* 42 */
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CmdSkipOrder, /* 43 */
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CmdDeleteOrder, /* 44 */
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CmdInsertOrder, /* 45 */
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CmdChangeTrainServiceInt, /* 46 */
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CmdBuildIndustry, /* 47 */
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CmdBuildCompanyHQ, /* 48 */
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CmdSetPlayerFace, /* 49 */
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CmdSetPlayerColor, /* 50 */
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CmdIncreaseLoan, /* 51 */
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CmdDecreaseLoan, /* 52 */
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CmdWantEnginePreview, /* 53 */
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CmdNameVehicle, /* 54 */
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CmdRenameEngine, /* 55 */
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CmdChangeCompanyName, /* 56 */
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CmdChangePresidentName, /* 57 */
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CmdRenameStation, /* 58 */
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CmdSellAircraft, /* 59 */
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CmdStartStopAircraft, /* 60 */
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CmdBuildAircraft, /* 61 */
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CmdSendAircraftToHangar, /* 62 */
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CmdChangeAircraftServiceInt, /* 63 */
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CmdRefitAircraft, /* 64 */
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CmdPlaceSign, /* 65 */
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CmdRenameSign, /* 66 */
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CmdBuildRoadVeh, /* 67 */
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CmdStartStopRoadVeh, /* 68 */
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CmdSellRoadVeh, /* 69 */
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CmdSendRoadVehToDepot, /* 70 */
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CmdTurnRoadVeh, /* 71 */
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CmdChangeRoadVehServiceInt, /* 72 */
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CmdPause, /* 73 */
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CmdBuyShareInCompany, /* 74 */
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CmdSellShareInCompany, /* 75 */
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CmdBuyCompany, /* 76 */
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CmdBuildTown, /* 77 */
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NULL, /* 78 */
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NULL, /* 79 */
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CmdRenameTown, /* 80 */
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CmdDoTownAction, /* 81 */
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CmdSetRoadDriveSide, /* 82 */
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CmdSetTownNameType, /* 83 */
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NULL, /* 84 */
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CmdChangeDifficultyLevel, /* 85 */
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CmdStartStopShip, /* 86 */
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CmdSellShip, /* 87 */
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CmdBuildShip, /* 88 */
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CmdSendShipToDepot, /* 89 */
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CmdChangeShipServiceInt, /* 90 */
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CmdRefitShip, /* 91 */
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CmdStartNewGame, /* 92 */
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CmdLoadGame, /* 93 */
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CmdCreateScenario, /* 94 */
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CmdSetSinglePlayer, /* 95 */
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NULL, /* 96 */
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CmdSetNewLandscapeType, /* 97 */
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CmdGenRandomNewGame, /* 98 */
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CmdCloneOrder, /* 99 */
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CmdClearArea, /* 100 */
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CmdResume, /* 101 */
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CmdMoneyCheat, /* 102 */
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CmdBuildCanal, /* 103 */
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CmdPlayerCtrl, /* 104 */
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CmdLevelLand, /* 105 */
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CmdRefitRailVehicle, /* 106 */
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CmdRestoreOrderIndex, /* 107 */
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CmdBuildLock, /* 108 */
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CmdStartScenario, /* 109 */
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CmdBuildManySignals, /* 110 */
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//CmdDestroyIndustry, /* 109 */
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CmdDestroyCompanyHQ, /* 111 */
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};
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int32 DoCommandByTile(TileIndex tile, uint32 p1, uint32 p2, uint32 flags, uint procc)
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{
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return DoCommand(GET_TILE_X(tile)*16, GET_TILE_Y(tile)*16, p1, p2, flags, procc);
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}
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//extern void _stdcall Sleep(int s);
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int32 DoCommand(int x, int y, uint32 p1, uint32 p2, uint32 flags, uint procc)
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{
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int32 res;
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CommandProc *proc;
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proc = _command_proc_table[procc];
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if (_docommand_recursive == 0) {
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_error_message = INVALID_STRING_ID;
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// update last build coord of player
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if ( (x|y) != 0 && _current_player < MAX_PLAYERS) {
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DEREF_PLAYER(_current_player)->last_build_coordinate = TILE_FROM_XY(x,y);
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}
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}
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_docommand_recursive++;
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// only execute the test call if it's toplevel, or we're not execing.
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if (_docommand_recursive == 1 || !(flags & DC_EXEC) || (flags & DC_FORCETEST) ) {
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res = proc(x, y, flags&~DC_EXEC, p1, p2);
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if ((uint32)res >> 16 == 0x8000) {
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if (res & 0xFFFF) _error_message = res & 0xFFFF;
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goto error;
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}
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if (_docommand_recursive == 1) {
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if (!(flags&DC_QUERY_COST) && res != 0 && !CheckPlayerHasMoney(res))
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goto error;
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}
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if (!(flags & DC_EXEC)) {
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_docommand_recursive--;
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return res;
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}
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}
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// execute the command here.
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_yearly_expenses_type = 0;
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res = proc(x, y, flags, p1, p2);
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if ((uint32)res >> 16 == 0x8000) {
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if (res & 0xFFFF) _error_message = res & 0xFFFF;
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error:
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_docommand_recursive--;
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return CMD_ERROR;
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}
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// if toplevel, subtract the money.
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if (--_docommand_recursive == 0) {
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SubtractMoneyFromPlayer(res);
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}
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return res;
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}
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int32 GetAvailableMoneyForCommand()
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{
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uint pid = _current_player;
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if (pid >= MAX_PLAYERS) return 0x7FFFFFFF; // max int
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return DEREF_PLAYER(pid)->player_money;
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}
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// toplevel network safe docommand function for the current player. must not be called recursively.
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// the callback is called when the command succeeded or failed.
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bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, CommandCallback *callback, uint32 cmd)
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{
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int32 res = 0,res2;
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CommandProc *proc;
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uint32 flags;
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bool notest;
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int x = GET_TILE_X(tile)*16;
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int y = GET_TILE_Y(tile)*16;
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assert(_docommand_recursive == 0);
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if (_networking && !(cmd & CMD_NET_INSTANT) && _pause) {
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// When the game is paused, and we are in a network game
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// we do not allow any commands. This is because
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// of some technical reasons
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ShowErrorMessage(-1, STR_MULTIPLAYER_PAUSED, x, y);
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_docommand_recursive = 0;
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return true;
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}
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_error_message = INVALID_STRING_ID;
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_error_message_2 = cmd >> 16;
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_additional_cash_required = 0;
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// spectator has no rights.
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if (_current_player == OWNER_SPECTATOR) {
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ShowErrorMessage(_error_message, _error_message_2, x, y);
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return false;
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}
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flags = 0;
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if (cmd & CMD_AUTO) flags |= DC_AUTO;
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if (cmd & CMD_NO_WATER) flags |= DC_NO_WATER;
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// get pointer to command handler
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assert((cmd & 0xFF) < lengthof(_command_proc_table));
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proc = _command_proc_table[cmd & 0xFF];
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// this command is a notest command?
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// CMD_REMOVE_ROAD: This command has special local authority
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// restrictions which may cause the test run to fail (the previous
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// road fragments still stay there and the town won't let you
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// disconnect the road system), but the exec will succeed and this
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// fact will trigger an assertion failure. --pasky
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notest =
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(cmd & 0xFF) == CMD_CLEAR_AREA ||
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(cmd & 0xFF) == CMD_CONVERT_RAIL ||
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(cmd & 0xFF) == CMD_LEVEL_LAND ||
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(cmd & 0xFF) == CMD_TRAIN_GOTO_DEPOT ||
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(cmd & 0xFF) == CMD_REMOVE_ROAD;
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if (_networking && (cmd & CMD_ASYNC)) notest = true;
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_docommand_recursive = 1;
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// cost estimation only?
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if (_shift_pressed && _current_player == _local_player && !(cmd & CMD_DONT_NETWORK)) {
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// estimate the cost.
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res = proc(x, y, flags, p1, p2);
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if ((uint32)res >> 16 == 0x8000) {
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if (res & 0xFFFF) _error_message = res & 0xFFFF;
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ShowErrorMessage(_error_message, _error_message_2, x, y);
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} else {
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ShowEstimatedCostOrIncome(res, x, y);
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}
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_docommand_recursive = 0;
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return false;
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}
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// unless the command is a notest command, check if it can be executed.
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if (!notest) {
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// first test if the command can be executed.
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res = proc(x,y, flags, p1, p2);
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if ((uint32)res >> 16 == 0x8000) {
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if (res & 0xFFFF) _error_message = res & 0xFFFF;
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goto show_error;
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}
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// no money?
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if (res != 0 && !CheckPlayerHasMoney(res)) goto show_error;
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}
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// put the command in a network queue and execute it later?
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if (_networking && !(cmd & CMD_DONT_NETWORK)) {
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if (!(cmd & CMD_NET_INSTANT)) {
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NetworkSendCommand(tile, p1, p2, cmd, callback);
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_docommand_recursive = 0;
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return true;
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} else {
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// Instant Command ... Relay and Process then
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NetworkSendCommand(tile, p1, p2, cmd, callback);
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}
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}
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// update last build coordinate of player.
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if ( tile != 0 && _current_player < MAX_PLAYERS) DEREF_PLAYER(_current_player)->last_build_coordinate = tile;
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// actually try and execute the command.
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_yearly_expenses_type = 0;
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res2 = proc(x,y, flags|DC_EXEC, p1, p2);
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if (!notest) {
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assert(res == res2); // sanity check
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} else {
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if ((uint32)res2 >> 16 == 0x8000) {
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if (res2 & 0xFFFF) _error_message = res2 & 0xFFFF;
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goto show_error;
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}
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}
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SubtractMoneyFromPlayer(res2);
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if (_current_player == _local_player && _game_mode != GM_EDITOR) {
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if (res2 != 0)
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ShowCostOrIncomeAnimation(x, y, GetSlopeZ(x, y), res2);
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if (_additional_cash_required) {
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SetDParam(0, _additional_cash_required);
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ShowErrorMessage(STR_0003_NOT_ENOUGH_CASH_REQUIRES, _error_message_2, x,y);
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if (res2 == 0) goto callb_err;
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}
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}
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_docommand_recursive = 0;
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if (callback) callback(true, tile, p1, p2);
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return true;
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show_error:
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// show error message if the command fails?
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if (_current_player == _local_player && _error_message_2 != 0)
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ShowErrorMessage(_error_message, _error_message_2, x,y);
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callb_err:
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_docommand_recursive = 0;
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if (callback) callback(false, tile, p1, p2);
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return false;
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}
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