Method handleItemPickup

game/ui/general/aequipscreen.cpp:511–565

bool AEquipScreen::isTransition() { return false; }

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

	// Check if we're over any equipment in the paper doll
	auto slotPos = paperDoll->getSlotPositionFromScreenPosition(mousePos);
	bool alienArtifact = false;
	if (tryPickUpItem(currentAgent, slotPos, modifierLCtrl || modifierRCtrl, &alienArtifact))
	{
		draggedEquipmentOffset = paperDoll->getScreenPositionFromSlotPosition(slotPos) - mousePos;
		paperDoll->updateEquipment();
		displayAgent(currentAgent);
		updateAgentControl(currentAgent);

		// Immediate action: put at the ground
		if ((modifierLShift || modifierRShift) &&
		    config().getBool("OpenApoc.NewFeature.AdvancedInventoryControls"))
		{
			handleItemPlacement(false);
		}
	}
	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});
	}
	else // no doll equipment under cursor
	{
		// Check if we're over any equipment in the list at the bottom
		auto posWithinInventory = mousePos;
		posWithinInventory.x += inventoryPage * inventoryControl->Size.x;
		if (tryPickUpItem(posWithinInventory, &alienArtifact))
		{
			refreshInventoryItems();

			// Immediate action: try put in the agent
			if ((modifierLShift || modifierRShift) &&
			    config().getBool("OpenApoc.NewFeature.AdvancedInventoryControls"))
			{
				handleItemPlacement(true);
			}
		}
		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});
		}
	}
}

void AEquipScreen::handleItemPlacement(Vec2<int> mousePos)
{