Lots of species stuff ported from Baystation (#4442)

* Ports species based footprints from bay
- https://github.com/Baystation12/Baystation12/pull/17935
- https://i.imgur.com/ojAU373.png
- Unathi use claw on right
- Taj and tesh use paw in center

* Flash stuff glasses protection things

* Flash stuff actual thing

* Organ mult thingy

* Floaty eyes and cloak setup

* Species falling

code/modules/organs/internal/eyes.dm

@@ -7,6 +7,7 @@
 	organ_tag = O_EYES
 	parent_organ = BP_HEAD
 	var/list/eye_colour = list(0,0,0)
+	var/innate_flash_protection = FLASH_PROTECTION_NONE
 
 /obj/item/organ/internal/eyes/robotize()
 	..()
@@ -86,3 +87,9 @@
 		if(prob(1))
 			owner.custom_pain("Your eyes are watering, making it harder to see clearly for a moment.",1)
 			owner.eye_blurry += 10
+
+/obj/item/organ/internal/eyes/proc/get_total_protection(var/flash_protection = FLASH_PROTECTION_NONE)
+	return (flash_protection + innate_flash_protection)
+
+/obj/item/organ/internal/eyes/proc/additional_flash_effects(var/intensity)
+	return -1

code/modules/organs/organ_external.dm

@@ -36,6 +36,7 @@
 	var/gendered_icon = 0              // Whether or not the icon state appends a gender.
 	var/s_tone                         // Skin tone.
 	var/list/s_col                     // skin colour
+	var/s_col_blend = ICON_ADD         // How the skin colour is applied.
 	var/list/h_col                     // hair colour
 	var/body_hair                      // Icon blend for body hair if any.
 	var/mob/living/applied_pressure

code/modules/organs/organ_icon.dm

@@ -58,7 +58,7 @@ var/global/list/limb_icon_cache = list()
 	if(owner.should_have_organ(O_EYES))
 		var/obj/item/organ/internal/eyes/eyes = owner.internal_organs_by_name[O_EYES]
 		if(eye_icon)
-			var/icon/eyes_icon = new/icon('icons/mob/human_face.dmi', eye_icon)
+			var/icon/eyes_icon = new/icon(eye_icon_location, eye_icon)
 			if(eyes)
 				eyes_icon.Blend(rgb(eyes.eye_colour[1], eyes.eye_colour[2], eyes.eye_colour[3]), ICON_ADD)
 			else
@@ -178,9 +178,10 @@ var/global/list/limb_icon_cache = list()
 		else
 			applying.Blend(rgb(-s_tone,  -s_tone,  -s_tone), ICON_SUBTRACT)
 		icon_cache_key += "_tone_[s_tone]"
-	else if(s_col && s_col.len >= 3)
-		applying.Blend(rgb(s_col[1], s_col[2], s_col[3]), ICON_ADD)
-		icon_cache_key += "_color_[s_col[1]]_[s_col[2]]_[s_col[3]]"
+	else
+		if(s_col && s_col.len >= 3)
+			applying.Blend(rgb(s_col[1], s_col[2], s_col[3]), s_col_blend)
+			icon_cache_key += "_color_[s_col[1]]_[s_col[2]]_[s_col[3]]_[s_col_blend]"
 
 	// Translucency.
 	if(nonsolid) applying += rgb(,,,180) // SO INTUITIVE TY BYOND

code/modules/organs/subtypes/standard.dm

@@ -265,6 +265,8 @@
 	force = 3
 	throwforce = 7
 
+	var/eye_icon_location = 'icons/mob/human_face.dmi'
+
 /obj/item/organ/external/head/robotize(var/company, var/skip_prosthetics, var/keep_organs)
 	return ..(company, skip_prosthetics, 1)