Method CanDeployIntoBuilding

src/Ext/Techno/Body.cpp:426–448

Checks if vehicle can deploy into a building at its current location. If unit has no DeploysInto set returns noDeploysIntoDefaultValue (def = false) instead.

// Checks if vehicle can deploy into a building at its current location. If unit has no DeploysInto set returns noDeploysIntoDefaultValue (def = false) instead.
bool TechnoExt::CanDeployIntoBuilding(UnitClass* pThis, bool noDeploysIntoDefaultValue)
{
	if (!pThis)
		return false;

	auto const pDeployType = pThis->Type->DeploysInto;

	if (!pDeployType)
		return noDeploysIntoDefaultValue;

	auto mapCoords = CellClass::Coord2Cell(pThis->GetCoords());

	if (pDeployType->GetFoundationWidth() > 2 || pDeployType->GetFoundationHeight(false) > 2)
		mapCoords += CellStruct { -1, -1 };

	// The vanilla game used an inappropriate approach here, resulting in potential risk of desync.
	// Now, through additional checks, we can directly exclude the unit who want to deploy.
	TechnoExt::Deployer = pThis;
	const bool canDeploy = pDeployType->CanCreateHere(mapCoords, pThis->Owner);
	TechnoExt::Deployer = nullptr;

	return canDeploy;
}

bool TechnoExt::IsTypeImmune(TechnoClass* pThis, TechnoClass* pSource)
{