Method handleItemPlacement

game/ui/general/aequipscreen.cpp:567–643

}

void AEquipScreen::handleItemPlacement(Vec2<int> mousePos)
{
	// Expecting to have an agent
	auto currentAgent = selectedAgents.front();

	// Are we over the grid? If so try to place it on the agent.
	auto paperDollControl = paperDoll;
	Vec2<int> equipOffset = paperDollControl->Location + formMain->Location;
	Vec2<int> equipmentPos = mousePos + draggedEquipmentOffset;
	// If this is within the grid try to snap it
	Vec2<int> equipmentGridPos = equipmentPos - equipOffset;
	equipmentGridPos /= EQUIP_GRID_SLOT_SIZE;

	auto draggedFrom = draggedEquipmentOrigin;
	auto draggedType =
	    (draggedFrom.x == -1 && draggedFrom.y == -1) ? draggedEquipment->type : nullptr;
	auto draggedAlternative = draggedEquipmentAlternativePickup;

	bool insufficientTU = false;
	bool alienArtifact = false;
	if (tryPlaceItem(currentAgent, equipmentGridPos, &insufficientTU, &alienArtifact))
	{
		displayAgent(currentAgent);
		updateAgentControl(currentAgent);
		this->paperDoll->updateEquipment();
	}
	else
	{
		refreshInventoryItems();
	}
	if (insufficientTU)
	{
		auto message_box = mksp<MessageBox>(
		    tr("NOT ENOUGH TU'S"),
		    format("%s %d", tr("TU cost per item picked up:"), currentAgent->unit->getPickupCost()),
		    MessageBox::ButtonOptions::Ok);
		fw().stageQueueCommand({StageCmd::Command::PUSH, message_box});
	}
	else if (alienArtifact)
	{
		auto message_box = mksp<MessageBox>(
		    tr("Alien Artifact"), tr("You must research Alien technology before you can use it."),
		    MessageBox::ButtonOptions::Ok);
		fw().stageQueueCommand({StageCmd::Command::PUSH, message_box});
	}
	// Other agents
	for (auto &agent : selectedAgents)
	{
		if (agent == currentAgent)
		{
			continue;
		}
		bool pickedUp = draggedType ? tryPickUpItem(*draggedType)
		                            : tryPickUpItem(agent, draggedFrom, draggedAlternative);
		if (!pickedUp)
		{
			continue;
		}