inventory: allow dropping the hand item on Shift+Throw

planet/Objects.ocd/Libraries.ocd/ClonkInventoryControl.ocd/Script.c

@@ -64,6 +64,19 @@ public func ObjectControl(int plr, int ctrl, int x, int y, int strength, bool re
 		return true;
 	}
 	
+	// Drop the mouse item?
+	if (ctrl == CON_Drop && !release)
+	{
+		var item = this->GetHandItem(0);
+		if (!item) return true;
+		this->DropInventoryItem(this->GetHandItemPos(0));
+		
+		// And do not immediately collect another thing.
+		this.inventory.pickup_item = nil;
+		EndPickingUp();
+		return true;
+	}
+	
 	// Switching pickup object or finish pickup?
 	if (this.inventory.is_picking_up)
 	{

planet/System.ocg/PlayerControls.txt

@@ -615,6 +615,11 @@
 		Control=PickUpNext_Stop
 		Priority=75
 		
+		[Assignment]
+		Key=CON_PickUp,CON_Throw
+		Control=Drop
+		Priority=75
+		
 		[Assignment]
 		Key=Mouse1Wheel1Up
 		GUIGroup=50