snow effect

monkestation/code/modules/trading/unusual_effects/_unusual_component.dm

@@ -0,0 +1,37 @@
+/datum/component/unusual_handler
+	var/atom/source_object
+	///the description added to the unusual.
+	var/unusual_description = ""
+	///the round the unusual was created at
+	var/round_id = 0
+	///the particle spewer component path
+	var/particle_path = /datum/component/particle_spewer/confetti
+	/// The original owners name
+	var/original_owner_ckey = "dwasint"
+	/// the slot this item goes in used when creating the particle itself
+	var/unusual_equip_slot = ITEM_SLOT_HEAD
+
+//this init is handled far differently than others. it parses data from the DB for information about the unusual itself
+//it than loads this info into the component itself, the particle_path is purely for spawning temporary ones in round
+/datum/component/unusual_handler/Initialize(list/parsed_variables = list(), particle_path = /datum/component/particle_spewer/confetti)
+	. = ..()
+	if(!length(parsed_variables))
+		src.particle_path = particle_path
+	else
+		setup_from_list(parsed_variables)
+
+	source_object = parent
+
+	source_object.AddComponent(particle_path)
+
+/datum/component/unusual_handler/proc/setup_from_list(list/parsed_results)
+	return
+
+/obj/item/clothing/head/costume/chicken/confetti_unusual/Initialize(mapload)
+	. = ..()
+	AddComponent(/datum/component/unusual_handler)
+
+/obj/item/clothing/head/costume/chicken/snow_unusual/Initialize(mapload)
+	. = ..()
+	AddComponent(/datum/component/unusual_handler)
+

monkestation/code/modules/trading/unusual_effects/animation_housing/_spawning_component.dm

@@ -8,6 +8,8 @@
 
 /datum/component/particle_spewer
 	var/atom/source_object
+	//the worn mob
+	var/mob/worn_mob
 	///the duration we last
 	var/duration = 0
 	///the spawn intervals in game ticks
@@ -27,33 +29,51 @@
 	///current process count
 	var/count = 0
 	///equipped offset ie hats go to 32 if set to 32 will also reset to height changes
-	var/equipped_offset = 32
+	var/equipped_offset = 0
 	///per burst spawn amount
 	var/burst_amount = 1
 	///the actual lifetime of this component before we die [ 0 = infinite]
 	var/lifetime = 0
+	///kept track of for removal sake
+	var/added_x = 0
+	var/added_y = 0
 
-
-/datum/component/particle_spewer/Initialize(duration = 0, spawn_interval = 1, offset_x = 0, offset_y = 0, icon_file = 'monkestation/code/modules/trading/icons/particles.dmi', particle_state = "none", equipped_offset = 32, burst_amount = 1, lifetime = 0)
+/datum/component/particle_spewer/Initialize(duration = 0, spawn_interval = 0, offset_x = 0, offset_y = 0, icon_file, particle_state, equipped_offset = 0, burst_amount = 0, lifetime = 0)
 	. = ..()
-	src.icon_file = icon_file
-	src.particle_state = particle_state
-	src.offset_x = offset_x + rand(-8, 8)
-	src.offset_y = offset_y + rand(-4, 4)
-	src.spawn_interval = spawn_interval
-	src.duration = duration
-	src.equipped_offset = equipped_offset
-	src.burst_amount = burst_amount
-	src.lifetime = lifetime
+	if(icon_file)
+		src.icon_file = icon_file
+	if(particle_state)
+		src.particle_state = particle_state
+	if(offset_x)
+		src.offset_x = offset_x + rand(-8, 8)
+	if(offset_y)
+		src.offset_y = offset_y + rand(-4, 4)
+	if(spawn_interval)
+		src.spawn_interval = spawn_interval
+	if(duration)
+		src.duration = duration
+	if(equipped_offset)
+		src.equipped_offset = equipped_offset
+	if(burst_amount)
+		src.burst_amount = burst_amount
+	if(lifetime)
+		src.lifetime = lifetime
 	source_object = parent
 
 	START_PROCESSING(SSactualfastprocess, src)
-
+	RegisterSignal(source_object, COMSIG_ITEM_EQUIPPED, PROC_REF(handle_equip_offsets))
+	RegisterSignal(source_object, COMSIG_ITEM_POST_UNEQUIP, PROC_REF(reset_offsets))
+
 	if(lifetime)
 		addtimer(CALLBACK(src, PROC_REF(kill_it_with_fire)), lifetime)
 
 /datum/component/particle_spewer/Destroy(force, silent)
 	. = ..()
+	UnregisterSignal(source_object, list(
+		COMSIG_ITEM_EQUIPPED,
+		COMSIG_ITEM_POST_UNEQUIP,
+	))
+
 	STOP_PROCESSING(SSactualfastprocess, src)
 	for(var/atom/listed_atom as anything in living_particles + dead_particles)
 		qdel(listed_atom)
@@ -93,6 +113,32 @@
 /datum/component/particle_spewer/proc/kill_it_with_fire()
 	qdel(src)
 
+/datum/component/particle_spewer/proc/handle_equip_offsets(datum/source, mob/equipper, slot)
+	SIGNAL_HANDLER
+	offset_x -= added_x
+	offset_y -= added_y
+	added_x = 0
+	added_y = 0
+	worn_mob = equipper
+
+	switch(slot)
+		if(ITEM_SLOT_HEAD)
+			added_y = 16
+		else
+			added_y = 0
+			added_x = 0
+
+	offset_y += added_y
+	offset_x += added_x
+
+/datum/component/particle_spewer/proc/reset_offsets()
+	SIGNAL_HANDLER
+	offset_x -= added_x
+	offset_y -= added_y
+	added_x = 0
+	added_y = 0
+	worn_mob = null
+
 /obj/item/debug_particle_holder/Initialize(mapload)
 	. = ..()
 	AddComponent(/datum/component/particle_spewer, 2 SECONDS)

monkestation/code/modules/trading/unusual_effects/animation_housing/confetti.dm

@@ -1,3 +1,7 @@
+/datum/component/particle_spewer/confetti
+	duration = 2 SECONDS
+	burst_amount = 5
+
 /datum/component/particle_spewer/confetti/animate_particle(obj/effect/abstract/particle/spawned)
 	var/matrix/first = matrix()
 	var/matrix/second = matrix()
@@ -14,7 +18,8 @@
 
 	animate(spawned, transform = first, time = 0.4 SECONDS, pixel_y = rand(-32, 32) + spawned.pixel_y, pixel_x = rand(-32, 32) + spawned.pixel_x, easing = LINEAR_EASING)
 	animate(transform = second, time = 0.5 SECONDS, alpha = 0, pixel_y = spawned.pixel_y - 5, easing = LINEAR_EASING|EASE_OUT)
+	addtimer(CALLBACK(src, PROC_REF(delete_particle), spawned), duration)
 
 /obj/item/debug_confetti/Initialize(mapload)
 	. = ..()
-	AddComponent(/datum/component/particle_spewer/confetti, 10 SECONDS, burst_amount = 5)
+	AddComponent(/datum/component/particle_spewer/confetti)

monkestation/code/modules/trading/unusual_effects/animation_housing/snow.dm

@@ -0,0 +1,24 @@
+/datum/component/particle_spewer/snow
+	icon_file = 'monkestation/code/modules/outdoors/icons/effects/particles/particle.dmi'
+	particle_state = "cross"
+	burst_amount = 4
+	duration = 2 SECONDS
+
+/datum/component/particle_spewer/snow/animate_particle(obj/effect/abstract/particle/spawned)
+	var/chance = rand(1, 10)
+	switch(chance)
+		if(1 to 2)
+			spawned.icon_state = "cross"
+		if(3 to 4)
+			spawned.icon_state = "snow_2"
+		if(5 to 6)
+			spawned.icon_state = "snow_3"
+		else
+			spawned.icon_state = "snow_1"
+
+	spawned.pixel_x += rand(-3, 3)
+	spawned.pixel_y += rand(-3, 3)
+
+	animate(spawned, pixel_y = spawned.pixel_y - 32, time = 2 SECONDS)
+	animate(spawned, alpha = 25, time = 1.5 SECONDS)
+	addtimer(CALLBACK(src, PROC_REF(delete_particle), spawned), duration)

tgstation.dme

@@ -6341,8 +6341,10 @@
 #include "monkestation\code\modules\surgery\organs\internal\lungs.dm"
 #include "monkestation\code\modules\surgery\organs\internal\stomach.dm"
 #include "monkestation\code\modules\surgery\organs\internal\tongue.dm"
+#include "monkestation\code\modules\trading\unusual_effects\_unusual_component.dm"
 #include "monkestation\code\modules\trading\unusual_effects\animation_housing\_spawning_component.dm"
 #include "monkestation\code\modules\trading\unusual_effects\animation_housing\confetti.dm"
+#include "monkestation\code\modules\trading\unusual_effects\animation_housing\snow.dm"
 #include "monkestation\code\modules\twitch_bits\admin_command.dm"
 #include "monkestation\code\modules\twitch_bits\twitch_system.dm"
 #include "monkestation\code\modules\twitch_bits\events\amongus.dm"