Adds marine armor to cargo. balances it somewhat. (#3750)

## About The Pull Request
as title

## Why It's Good For The Game
I think it's nice to have like. more armor progression. 

## Changelog

:cl:
add: you can now buy marine armor at the outpost
balance: marine armor now has different levels of protection.
/:cl:

code/__DEFINES/obj_flags.dm

@@ -40,7 +40,7 @@
 #define LAVAPROTECT (1<<0)
 #define STOPSPRESSUREDAMAGE (1<<1)	//SUIT and HEAD items which stop pressure damage. To stop you taking all pressure damage you must have both a suit and head item with this flag.
 #define BLOCK_GAS_SMOKE_EFFECT (1<<2)	// blocks the effect that chemical clouds would have on a mob --glasses, mask and helmets ONLY!
-#define ALLOWINTERNALS (1<<3) // mask allows internals //WS Port - Changed Maskinternals to allowinternals
+#define ALLOWINTERNALS (1<<3) // mask allows internals
 #define NOSLIP (1<<4) //prevents from slipping on wet floors, in space etc
 #define NOSLIP_ICE (1<<5) //prevents from slipping on frozen floors
 #define THICKMATERIAL (1<<6)	//prevents syringes, parapens and hypos if the external suit or helmet (if targeting head) has this flag. Example: space suits, biosuit, bombsuits, thick suits that cover your body.

code/modules/cargo/packs/spacesuit_armor.dm

@@ -135,3 +135,21 @@
 	contains = list(/obj/item/clothing/suit/armor/laserproof)
 	crate_name = "reflector vest crate"
 	crate_type = /obj/structure/closet/crate/secure/plasma
+
+/datum/supply_pack/spacesuit_armor/marine_armor
+	name = "Tactical Armor Crate"
+	desc = "One set of well-rounded, tactical body armor. The set includes a helmet and vest."
+	cost = 1500
+	contains = list(/obj/item/clothing/suit/armor/vest/marine,
+					/obj/item/clothing/head/helmet/marine)
+	crate_name = "armor crate"
+	crate_type = /obj/structure/closet/crate/secure/plasma
+
+/datum/supply_pack/spacesuit_armor/marine_armor
+	name = "Medium Tactical Armor Crate"
+	desc = "One set of well-rounded medium tactical body armor. The set includes a helmet and vest."
+	cost = 1500
+	contains = list(/obj/item/clothing/suit/armor/vest/marine/medium,
+					/obj/item/clothing/head/helmet/marine)
+	crate_name = "armor crate"
+	crate_type = /obj/structure/closet/crate/secure/plasma

code/modules/clothing/head/helmet.dm

@@ -234,11 +234,12 @@
 	desc = "A tactical black helmet, sealed from outside hazards with a reinforced visor."
 	icon_state = "marine_command"
 	item_state = "helmetalt"
-	armor = list("melee" = 50, "bullet" = 75, "laser" = 55, "energy" = 25, "bomb" = 60, "bio" = 100, "fire" = 70, "acid" = 50)
-	slowdown = 0.3
-	min_cold_protection_temperature = SPACE_HELM_MIN_TEMP_PROTECT
-	clothing_flags = STOPSPRESSUREDAMAGE
+	armor = list("melee" = 35, "bullet" = 55, "laser" = 45, "energy" = 25, "bomb" = 30, "bio" = 75, "fire" = 40, "acid" = 50)
+	slowdown = 0.1
+	min_cold_protection_temperature = HELMET_MIN_TEMP_PROTECT
+	clothing_flags = STOPSPRESSUREDAMAGE | SNUG_FIT | BLOCK_GAS_SMOKE_EFFECT | ALLOWINTERNALS
 	resistance_flags = FIRE_PROOF | ACID_PROOF
+	flags_cover = HEADCOVERSEYES | HEADCOVERSMOUTH | PEPPERPROOF | SEALS_EYES
 	can_flashlight = TRUE
 	dog_fashion = null
 

code/modules/clothing/suits/armor.dm

@@ -47,22 +47,32 @@
 	icon_state = "marine_light"
 	item_state = "armor"
 	clothing_flags = THICKMATERIAL
-	body_parts_covered = CHEST|GROIN|LEGS|FEET|ARMS|HANDS
-	armor = list("melee" = 50, "bullet" = 75, "laser" = 55, "energy" = 25, "bomb" = 60, "bio" = 100, "fire" = 70, "acid" = 50)
-	cold_protection = CHEST | GROIN | LEGS | FEET | ARMS | HANDS
+	body_parts_covered = CHEST|GROIN
+	armor = list("melee" = 20, "bullet" = 45, "laser" = 45, "energy" = 25, "bomb" = 30, "bio" = 65, "fire" = 40, "acid" = 50)
+	cold_protection = CHEST|GROIN
 	min_cold_protection_temperature = ARMOR_MIN_TEMP_PROTECT
-	heat_protection = CHEST|GROIN|LEGS|FEET|ARMS|HANDS
+	heat_protection = CHEST|GROIN
 	resistance_flags = FIRE_PROOF | ACID_PROOF
 	supports_variations = VOX_VARIATION | DIGITIGRADE_VARIATION_NO_NEW_ICON
-	slowdown = 0.5
+	slowdown = 0 //one day...
 
 /obj/item/clothing/suit/armor/vest/marine/medium
 	name = "medium tactical armor vest"
 	icon_state = "marine_medium"
+	body_parts_covered = CHEST|GROIN|LEGS|ARMS
+	cold_protection = CHEST|GROIN|LEGS|ARMS
+	heat_protection = CHEST|GROIN|LEGS|ARMS
+	armor = list("melee" = 35, "bullet" = 55, "laser" = 45, "energy" = 25, "bomb" = 30, "bio" = 75, "fire" = 40, "acid" = 50)
+	slowdown = 0.1
 
 /obj/item/clothing/suit/armor/vest/marine/heavy
-	name = "large tactical armor vest"
+	name = "heavy tactical armor vest"
 	icon_state = "marine_heavy"
+	body_parts_covered = CHEST|GROIN|LEGS|ARMS
+	cold_protection = CHEST|GROIN|LEGS|ARMS
+	heat_protection = CHEST|GROIN|LEGS|ARMS
+	armor = list("melee" = 60, "bullet" = 75, "laser" = 55, "energy" = 25, "bomb" = 50, "bio" = 75, "fire" = 40, "acid" = 50)
+	slowdown = 0.5
 
 /obj/item/clothing/suit/armor/vest/old
 	name = "degrading armor vest"