Additional Trap Properties and functions (Issue + request)

[ErminioLucente]

Here are several requests all tied to traps.

• [ ] ISSUE A Known issue, traps don't use named effects/shots.

• [ ] REQUEST 1 : Additional cast types Allow users to directly cast the trap to the map, armed and ready. -By manufacturing and increase usable quantity OR... -additional setting to allow users to pay, to cast a trap. Without having to wait for imps to place boxes.

• [ ] REQUEST 2 : Re-ARM A new property to allow traps to stay or be removed from map when ammo is depleted. Additional related property that allows a delay between re-arming the trap to be used again right away. so... a machine gun with 100 shots, that remains depleted for 400tics, before rearming.

• [ ] REQUEST 3 : new effect + sfx A new sound property for when a trap has been depleted, and effect used when the trap has depleted and vanished, if request 2 is added.

• [ ] REQUEST 4 : damage A trap specific damage property that overrides the shot damage and can be used in conjunction with STRENGTH_BASED flag.

• [ ] REQUEST 5 : blocker A trap that can block specific creatures from passing