Merge pull request #15039 from keronshb/gradiantport

Ports Colorist Quirk and Hair Gradients Preferences

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

@@ -20,6 +20,11 @@
 	var/hair_color = "000"
 	var/hair_style = "Bald"
 
+	///Colour used for the hair gradient.
+	var/grad_color = "000"
+	///Style used for the hair gradient.
+	var/grad_style
+
 	//Facial hair colour and style
 	var/facial_hair_color = "000"
 	var/facial_hair_style = "Shaved"

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

@@ -52,6 +52,10 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 	var/hair_color
 	///The alpha used by the hair. 255 is completely solid, 0 is invisible.
 	var/hair_alpha = 255
+	///The gradient style used for the mob's hair.
+	var/grad_style
+	///The gradient color used to color the gradient.
+	var/grad_color
 
 	///Does the species use skintones or not? As of now only used by humans.
 	var/use_skintones = FALSE
@@ -678,6 +682,7 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 
 	if(!hair_hidden || dynamic_hair_suffix)
 		var/mutable_appearance/hair_overlay = mutable_appearance(layer = -HAIR_LAYER)
+		var/mutable_appearance/gradient_overlay = mutable_appearance(layer = -HAIR_LAYER)
 		if(!hair_hidden && !H.getorgan(/obj/item/organ/brain)) //Applies the debrained overlay if there is no brain
 			if(!(NOBLOOD in species_traits))
 				hair_overlay.icon = 'icons/mob/human_parts.dmi'
@@ -713,8 +718,21 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 							hair_overlay.color = "#" + hair_color
 					else
 						hair_overlay.color = "#" + H.hair_color
+
+					//Gradients
+					grad_style = H.grad_style
+					grad_color = H.grad_color
+					if(grad_style)
+						var/datum/sprite_accessory/gradient = GLOB.hair_gradients_list[grad_style]
+						var/icon/temp = icon(gradient.icon, gradient.icon_state)
+						var/icon/temp_hair = icon(hair_file, hair_state)
+						temp.Blend(temp_hair, ICON_ADD)
+						gradient_overlay.icon = temp
+						gradient_overlay.color = "#" + grad_color
+
 				else
 					hair_overlay.color = forced_colour
+
 				hair_overlay.alpha = hair_alpha
 
 				if(OFFSET_HAIR in H.dna.species.offset_features)
@@ -723,6 +741,7 @@ GLOBAL_LIST_EMPTY(roundstart_race_names)
 
 		if(hair_overlay.icon)
 			standing += hair_overlay
+			standing += gradient_overlay
 
 	if(standing.len)
 		H.overlays_standing[HAIR_LAYER] = standing