Exemple #1
0
void CUnitScript::AttachUnit(int piece, int u)
{
	// -1 is valid, indicates that the unit should be hidden
	if ((piece >= 0) && (!PieceExists(piece))) {
		ShowScriptError("Invalid piecenumber for attach");
		return;
	}

#ifndef _CONSOLE
	CTransportUnit* tu = dynamic_cast<CTransportUnit*>(unit);

	if (tu && uh->units[u]) {
		tu->AttachUnit(uh->units[u], piece);
	}
#endif
}
void CTransportCAI::ExecuteLoadUnits(Command& c)
{
	CTransportUnit* transport = reinterpret_cast<CTransportUnit*>(owner);

	if (c.params.size() == 1) {
		// load single unit
		CUnit* unit = unitHandler->GetUnit(c.params[0]);

		if (unit == NULL) {
			FinishCommand();
			return;
		}

		if (c.options & INTERNAL_ORDER) {
			if (unit->commandAI->commandQue.empty()) {
				if (!LoadStillValid(unit)) {
					FinishCommand();
					return;
				}
			} else {
				Command& currentUnitCommand = unit->commandAI->commandQue[0];

				if ((currentUnitCommand.GetID() == CMD_LOAD_ONTO) && (currentUnitCommand.params.size() == 1) && (int(currentUnitCommand.params[0]) == owner->id)) {
					if ((unit->moveType->progressState == AMoveType::Failed) && (owner->moveType->progressState == AMoveType::Failed)) {
						unit->commandAI->FinishCommand();
						FinishCommand();
						return;
					}
				} else if (!LoadStillValid(unit)) {
					FinishCommand();
					return;
				}
			}
		}

		if (inCommand) {
			if (!owner->script->IsBusy()) {
				FinishCommand();
			}
			return;
		}
		if (unit != NULL && CanTransport(unit) && UpdateTargetLostTimer(int(c.params[0]))) {
			SetTransportee(unit);

			const float sqDist = unit->pos.SqDistance2D(owner->pos);
			const bool inLoadingRadius = (sqDist <= Square(owner->unitDef->loadingRadius));

			CTransportUnit* trans = static_cast<CTransportUnit*>(owner);
			CHoverAirMoveType* am = dynamic_cast<CHoverAirMoveType*>(owner->moveType);

			// subtract 1 square to account for PFS/GMT inaccuracy
			const bool outOfRange = (goalPos.SqDistance2D(unit->pos) > Square(owner->unitDef->loadingRadius - SQUARE_SIZE));
			const bool moveCloser = (!inLoadingRadius && (!owner->IsMoving() || (am != NULL && am->aircraftState != AAirMoveType::AIRCRAFT_FLYING)));

			if (outOfRange || moveCloser) {
				SetGoal(unit->pos, owner->pos, std::min(64.0f, owner->unitDef->loadingRadius));
			}

			if (inLoadingRadius) {
				if (am != NULL) {
					// handle air transports differently
					float3 wantedPos = unit->pos;
					wantedPos.y = trans->GetTransporteeWantedHeight(wantedPos, unit);

					// calls am->StartMoving() which sets forceHeading to false (and also
					// changes aircraftState, possibly in mid-pickup) --> must check that
					// wantedPos == goalPos using some epsilon tolerance
					// we do not want the forceHeading change at point of pickup because
					// am->UpdateHeading() will suddenly notice a large deltaHeading and
					// break the DOCKING_ANGLE constraint so call am->ForceHeading() next
					SetGoal(wantedPos, owner->pos, 1.0f);

					am->ForceHeading(trans->GetTransporteeWantedHeading(unit));
					am->SetWantedAltitude(wantedPos.y - CGround::GetHeightAboveWater(wantedPos.x, wantedPos.z));
					am->maxDrift = 1.0f;

					// FIXME: kill the hardcoded constants, use the command's radius
					const bool b1 = (owner->pos.SqDistance(wantedPos) < Square(AIRTRANSPORT_DOCKING_RADIUS));
					const bool b2 = (std::abs(owner->heading - unit->heading) < AIRTRANSPORT_DOCKING_ANGLE);
					const bool b3 = (owner->updir.dot(UpVector) > 0.995f);

					if (b1 && b2 && b3) {
						am->SetAllowLanding(false);
						am->SetWantedAltitude(0.0f);

						owner->script->BeginTransport(unit);
						SetTransportee(NULL);
						transport->AttachUnit(unit, owner->script->QueryTransport(unit));

						FinishCommand();
						return;
					}
				} else {
					inCommand = true;

					StopMove();
					owner->script->TransportPickup(unit);
				}
			} else if (owner->moveType->progressState == AMoveType::Failed && sqDist < (200 * 200)) {
				// if we're pretty close already but CGroundMoveType fails because it considers
				// the goal clogged (with the future passenger...), just try to move to the
				// point halfway between the transport and the passenger.
				SetGoal((unit->pos + owner->pos) * 0.5f, owner->pos);
			}
		} else {
			FinishCommand();
		}
	} else if (c.params.size() == 4) { // area-load
		if (lastCall == gs->frameNum) { // avoid infinite loops
			return;
		}

		lastCall = gs->frameNum;

		const float3 pos = c.GetPos(0);
		const float radius = c.params[3];

		CUnit* unit = FindUnitToTransport(pos, radius);

		if (unit && CanTransport(unit)) {
			Command c2(CMD_LOAD_UNITS, c.options|INTERNAL_ORDER, unit->id);
			commandQue.push_front(c2);
			inCommand = false;

			SlowUpdate();
			return;
		} else {
			FinishCommand();
			return;
		}
	}

	isFirstIteration = true;
	startingDropPos = -OnesVector;
}
Exemple #3
0
void CTransportCAI::ExecuteLoadUnits(Command& c)
{
	CTransportUnit* transport = reinterpret_cast<CTransportUnit*>(owner);

	if (c.params.size() == 1) {
		// load single unit
		CUnit* unit = unitHandler->GetUnit(c.params[0]);

		if (!unit) {
			FinishCommand();
			return;
		}
		if (c.options & INTERNAL_ORDER) {
			if (unit->commandAI->commandQue.empty()) {
				if (!LoadStillValid(unit)) {
					FinishCommand();
					return;
				}
			} else {
				Command& currentUnitCommand = unit->commandAI->commandQue[0];
				if ((currentUnitCommand.GetID() == CMD_LOAD_ONTO) && (currentUnitCommand.params.size() == 1) && (int(currentUnitCommand.params[0]) == owner->id)) {
					if ((unit->moveType->progressState == AMoveType::Failed) && (owner->moveType->progressState == AMoveType::Failed)) {
						unit->commandAI->FinishCommand();
						FinishCommand();
						return;
					}
				} else if (!LoadStillValid(unit)) {
					FinishCommand();
					return;
				}
			}
		}
		if (inCommand) {
			if (!owner->script->IsBusy()) {
				FinishCommand();
			}
			return;
		}
		if (unit && CanTransport(unit) && UpdateTargetLostTimer(int(c.params[0]))) {
			SetTransportee(unit);

			const float sqDist = unit->pos.SqDistance2D(owner->pos);
			const bool inLoadingRadius = (sqDist <= Square(owner->unitDef->loadingRadius));
			
			CHoverAirMoveType* am = dynamic_cast<CHoverAirMoveType*>(owner->moveType);

			// subtracting 1 square to account for pathfinder/groundmovetype inaccuracy
			if (goalPos.SqDistance2D(unit->pos) > Square(owner->unitDef->loadingRadius - SQUARE_SIZE) || 
				(!inLoadingRadius && (!owner->isMoving || (am && am->aircraftState != AAirMoveType::AIRCRAFT_FLYING)))) {
				SetGoal(unit->pos, owner->pos, std::min(64.0f, owner->unitDef->loadingRadius));
			}

			if (inLoadingRadius) {
				if (am) { // handle air transports differently
					float3 wantedPos = unit->pos;
					wantedPos.y = static_cast<CTransportUnit*>(owner)->GetLoadUnloadHeight(wantedPos, unit);
					SetGoal(wantedPos, owner->pos);

					am->loadingUnits = true;
					am->ForceHeading(static_cast<CTransportUnit*>(owner)->GetLoadUnloadHeading(unit));
					am->SetWantedAltitude(wantedPos.y - ground->GetHeightAboveWater(wantedPos.x, wantedPos.z));
					am->maxDrift = 1;

					if ((owner->pos.SqDistance(wantedPos) < Square(AIRTRANSPORT_DOCKING_RADIUS)) &&
						(abs(owner->heading-unit->heading) < AIRTRANSPORT_DOCKING_ANGLE) &&
						(owner->updir.dot(UpVector) > 0.995f))
					{
						am->loadingUnits = false;
						am->dontLand = true;

						owner->script->BeginTransport(unit);
						SetTransportee(NULL);
						transport->AttachUnit(unit, owner->script->QueryTransport(unit));
						am->SetWantedAltitude(0);

						FinishCommand();
						return;
					}
				} else {
					inCommand = true;

					StopMove();
					owner->script->TransportPickup(unit);
				}
			} else if (owner->moveType->progressState == AMoveType::Failed && sqDist < (200 * 200)) {
				// if we're pretty close already but CGroundMoveType fails because it considers
				// the goal clogged (with the future passenger...), just try to move to the
				// point halfway between the transport and the passenger.
				SetGoal((unit->pos + owner->pos) * 0.5f, owner->pos);
			}
		} else {
			FinishCommand();
		}
	} else if (c.params.size() == 4) { // area-load
		if (lastCall == gs->frameNum) { // avoid infinite loops
			return;
		}

		lastCall = gs->frameNum;

		const float3 pos = c.GetPos(0);
		const float radius = c.params[3];

		CUnit* unit = FindUnitToTransport(pos, radius);

		if (unit && CanTransport(unit)) {
			Command c2(CMD_LOAD_UNITS, c.options|INTERNAL_ORDER, unit->id);
			commandQue.push_front(c2);
			inCommand = false;

			SlowUpdate();
			return;
		} else {
			FinishCommand();
			return;
		}
	}

	isFirstIteration = true;
	startingDropPos = float3(-1.0f, -1.0f, -1.0f);
}