[MIRROR] Gunpoint now blocks bumps, adds examine text and can be broken by shoving

code/__DEFINES/dcs/signals/signals_mob/signals_mob_living.dm

@@ -139,6 +139,9 @@
 #define COMSIG_LIVING_EARLY_UNARMED_ATTACK "human_pre_attack_hand"
 /// from mob/living/*/UnarmedAttack(): (mob/living/source, atom/target, proximity, modifiers)
 #define COMSIG_LIVING_UNARMED_ATTACK "living_unarmed_attack"
+///From base of mob/living/MobBump(): (mob/bumped, mob/living/bumper)
+#define COMSIG_LIVING_PRE_MOB_BUMP "movable_pre_bump"
+	#define COMPONENT_LIVING_BLOCK_PRE_MOB_BUMP (1<<0)
 ///From base of mob/living/MobBump() (mob/living)
 #define COMSIG_LIVING_MOB_BUMP "living_mob_bump"
 ///From base of mob/living/Bump() (turf/closed)

code/datums/components/gunpoint.dm

@@ -36,7 +36,16 @@
 	target = targ
 	weapon = wep
 
-	RegisterSignals(targ, list(COMSIG_MOB_ATTACK_HAND, COMSIG_MOB_ITEM_ATTACK, COMSIG_MOVABLE_MOVED, COMSIG_MOB_FIRED_GUN), PROC_REF(trigger_reaction))
+	RegisterSignals(targ, list(
+		COMSIG_MOB_ATTACK_HAND,
+		COMSIG_MOB_ITEM_ATTACK,
+		COMSIG_MOVABLE_MOVED,
+		COMSIG_MOB_FIRED_GUN,
+		COMSIG_MOVABLE_SET_GRAB_STATE,
+		COMSIG_LIVING_START_PULL), PROC_REF(trigger_reaction))
+	RegisterSignal(targ, COMSIG_ATOM_EXAMINE, PROC_REF(examine_target))
+	RegisterSignal(targ, COMSIG_LIVING_PRE_MOB_BUMP, PROC_REF(block_bumps_target))
+	RegisterSignals(targ, list(COMSIG_HUMAN_DISARM_HIT, COMSIG_LIVING_GET_PULLED), PROC_REF(cancel))
 	RegisterSignals(weapon, list(COMSIG_ITEM_DROPPED, COMSIG_ITEM_EQUIPPED), PROC_REF(cancel))
 
 	var/distance = min(get_dist(shooter, target), 1) // treat 0 distance as adjacent
@@ -77,13 +86,19 @@
 	RegisterSignal(parent, COMSIG_MOB_ATTACK_HAND, PROC_REF(check_shove))
 	RegisterSignal(parent, COMSIG_MOB_UPDATE_SIGHT, PROC_REF(check_deescalate))
 	RegisterSignals(parent, list(COMSIG_LIVING_START_PULL, COMSIG_MOVABLE_BUMP), PROC_REF(check_bump))
+	RegisterSignal(parent, COMSIG_ATOM_EXAMINE, PROC_REF(examine))
+	RegisterSignal(parent, COMSIG_LIVING_PRE_MOB_BUMP, PROC_REF(block_bumps_parent))
+	RegisterSignal(parent, COMSIG_HUMAN_DISARM_HIT, PROC_REF(cancel))
 
 /datum/component/gunpoint/UnregisterFromParent()
 	UnregisterSignal(parent, COMSIG_MOVABLE_MOVED)
 	UnregisterSignal(parent, COMSIG_MOB_APPLY_DAMAGE)
 	UnregisterSignal(parent, COMSIG_MOB_UPDATE_SIGHT)
 	UnregisterSignal(parent, COMSIG_MOB_ATTACK_HAND)
 	UnregisterSignal(parent, list(COMSIG_LIVING_START_PULL, COMSIG_MOVABLE_BUMP))
+	UnregisterSignal(parent, COMSIG_ATOM_EXAMINE)
+	UnregisterSignal(parent, COMSIG_LIVING_PRE_MOB_BUMP)
+	UnregisterSignal(parent, COMSIG_HUMAN_DISARM_HIT)
 
 ///If the shooter bumps the target, cancel the holdup to avoid cheesing and forcing the charged shot
 /datum/component/gunpoint/proc/check_bump(atom/B, atom/A)
@@ -195,6 +210,30 @@
 		)
 		INVOKE_ASYNC(src, PROC_REF(trigger_reaction))
 
+///Shows if the parent is holding someone at gunpoint
+/datum/component/gunpoint/proc/examine(datum/source, mob/user, list/examine_list)
+	SIGNAL_HANDLER
+	if(user in viewers(target))
+		examine_list += span_boldwarning("[parent] [parent.p_are()] holding [target] at gunpoint with [weapon]!")
+
+///Shows if the examine target is being held at gunpoint
+/datum/component/gunpoint/proc/examine_target(datum/source, mob/user, list/examine_list)
+	SIGNAL_HANDLER
+	if(user in viewers(parent))
+		examine_list += span_boldwarning("[target] [target.p_are()] being held at gunpoint by [parent]!")
+
+///Prevents bumping the shooter to break gunpoint since shove does that
+/datum/component/gunpoint/proc/block_bumps_parent(mob/bumped, mob/living/bumper)
+	SIGNAL_HANDLER
+	to_chat(bumper, span_warning("[bumped] [bumped.p_are()] holding [target] at gunpoint, you cannot push past."))
+	return COMPONENT_LIVING_BLOCK_PRE_MOB_BUMP
+
+///Prevents bumping the target by an ally to cheese and force the charged shot
+/datum/component/gunpoint/proc/block_bumps_target(mob/bumped, mob/living/bumper)
+	SIGNAL_HANDLER
+	to_chat(bumper, span_warning("[bumped] [bumped.p_are()] being held at gunpoint, it's not wise to push [bumped.p_them()]!"))
+	return COMPONENT_LIVING_BLOCK_PRE_MOB_BUMP
+
 #undef GUNPOINT_DELAY_STAGE_2
 #undef GUNPOINT_DELAY_STAGE_3
 #undef GUNPOINT_BASE_WOUND_BONUS

code/datums/status_effects/neutral.dm

@@ -149,9 +149,16 @@
 
 /atom/movable/screen/alert/status_effect/holdup
 	name = "Holding Up"
-	desc = "You're currently pointing a gun at someone."
+	desc = "You're currently pointing a gun at someone. Click to cancel."
 	icon_state = "aimed"
 
+/atom/movable/screen/alert/status_effect/holdup/Click(location, control, params)
+	. = ..()
+	if(!.)
+		return
+	var/datum/component/gunpoint/gunpoint = owner.GetComponent(/datum/component/gunpoint)
+	gunpoint?.cancel()
+
 // this status effect is used to negotiate the high-fiving capabilities of all concerned parties
 /datum/status_effect/offering
 	id = "offering"

code/modules/mob/living/living.dm

@@ -94,6 +94,9 @@
 	if(move_intent == MOVE_INTENT_WALK)
 		return TRUE
 
+	if(SEND_SIGNAL(M, COMSIG_LIVING_PRE_MOB_BUMP, src) & COMPONENT_LIVING_BLOCK_PRE_MOB_BUMP)
+		return TRUE
+
 	SEND_SIGNAL(src, COMSIG_LIVING_MOB_BUMP, M)
 	//Even if we don't push/swap places, we "touched" them, so spread fire
 	spreadFire(M)