Merge pull request #6159 from Heroman3003/youcantcatchme

Allows objects to be made uncatchable

code/game/mecha/equipment/weapons/weapons.dm

@@ -411,6 +411,7 @@
 	icon_state = "missile"
 	var/primed = null
 	throwforce = 15
+	catchable = 0
 	var/devastation = 0
 	var/heavy_blast = 1
 	var/light_blast = 2

code/game/objects/objs.dm

@@ -7,6 +7,7 @@
 	var/unacidable = 0 //universal "unacidabliness" var, here so you can use it in any obj.
 	animate_movement = 2
 	var/throwforce = 1
+	var/catchable = 1	// can it be caught on throws/flying?
 	var/sharp = 0		// whether this object cuts
 	var/edge = 0		// whether this object is more likely to dismember
 	var/pry = 0			//Used in attackby() to open doors

code/modules/mob/living/carbon/human/human_defense.dm

@@ -477,6 +477,9 @@ emp_act
 		if(temp && !temp.is_usable())
 			return FALSE	// The hand isn't working in the first place
 
+	if(!O.catchable)
+		return FALSE
+
 	// Alright, our hand works? Time to try the catching.
 	var/catch_chance = 90	// Default 90% catch rate