Refactors and Tguizes Orion Trail arcade machine (#57647)

Tguized orion trail. Orion code maybe less shit?

Orion Events use datums whew.

Co-authored-by: Aleksej Komarov <stylemistake@gmail.com>

code/modules/asset_cache/asset_list.dm

@@ -169,6 +169,8 @@ GLOBAL_LIST_EMPTY(asset_datums)
 	I = icon(I, icon_state=icon_state, dir=dir, frame=frame, moving=moving)
 	if (!I || !length(icon_states(I)))  // that direction or state doesn't exist
 		return
+	//any sprite modifications we want to do (aka, coloring a greyscaled asset)
+	I = ModifyInserted(I)
 	var/size_id = "[I.Width()]x[I.Height()]"
 	var/size = sizes[size_id]
 
@@ -185,6 +187,15 @@ GLOBAL_LIST_EMPTY(asset_datums)
 		sizes[size_id] = size = list(1, I, null)
 		sprites[sprite_name] = list(size_id, 0)
 
+/**
+ * A simple proc handing the Icon for you to modify before it gets turned into an asset.
+ *
+ * Arguments:
+ * * I: icon being turned into an asset
+ */
+/datum/asset/spritesheet/proc/ModifyInserted(icon/pre_asset)
+	return pre_asset
+
 /datum/asset/spritesheet/proc/InsertAll(prefix, icon/I, list/directions)
 	if (length(prefix))
 		prefix = "[prefix]-"

code/modules/asset_cache/asset_list_items.dm

@@ -529,3 +529,32 @@
 	assets = list(
 		"chem_help_advisor.gif" = 'icons/UI_Icons/Advisors/chem_help_advisor.gif',
 	)
+
+/datum/asset/spritesheet/moods
+	name = "moods"
+	var/iconinserted = 1
+
+/datum/asset/spritesheet/moods/register()
+	for(var/i in 1 to 9)
+		var/target_to_insert = "mood"+"[iconinserted]"
+		Insert(target_to_insert, 'icons/hud/screen_gen.dmi', target_to_insert)
+		iconinserted++
+	..()
+
+/datum/asset/spritesheet/moods/ModifyInserted(icon/pre_asset)
+	var/blended_color
+	switch(iconinserted)
+		if(1)
+			blended_color = "#f15d36"
+		if(2 to 3)
+			blended_color = "#f38943"
+		if(4)
+			blended_color = "#dfa65b"
+		if(5)
+			blended_color = "#4b96c4"
+		if(6)
+			blended_color = "#86d656"
+		else
+			blended_color = "#2eeb9a"
+	pre_asset.Blend(blended_color, ICON_MULTIPLY)
+	return pre_asset