some fun around

code/__DEFINES/misc.dm

@@ -314,3 +314,25 @@
 
 // magic value to use for indicating a proc slept
 #define PROC_RETURN_SLEEP -1
+
+//Defines for echo list index positions.
+//ECHO_DIRECT and ECHO_ROOM are the only two that actually appear to do anything, and represent the dry and wet channels of the environment effects, respectively.
+//The rest of the defines are there primarily for the sake of completeness. It might be worth testing on EAX-enabled hardware, and on future BYOND versions (I've tested with 511, 512, and 513)
+#define ECHO_DIRECT 1
+#define ECHO_DIRECTHF 2
+#define ECHO_ROOM 3
+#define ECHO_ROOMHF 4
+#define ECHO_OBSTRUCTION 5
+#define ECHO_OBSTRUCTIONLFRATIO 6
+#define ECHO_OCCLUSION 7
+#define ECHO_OCCLUSIONLFRATIO 8
+#define ECHO_OCCLUSIONROOMRATIO 9
+#define ECHO_OCCLUSIONDIRECTRATIO 10
+#define ECHO_EXCLUSION 11
+#define ECHO_EXCLUSIONLFRATIO 12
+#define ECHO_OUTSIDEVOLUMEHF 13
+#define ECHO_DOPPLERFACTOR 14
+#define ECHO_ROLLOFFFACTOR 15
+#define ECHO_ROOMROLLOFFFACTOR 16
+#define ECHO_AIRABSORPTIONFACTOR 17
+#define ECHO_FLAGS 18

code/_globalvars/global_lists.dm

@@ -124,6 +124,9 @@ GLOBAL_LIST_INIT_TYPED(chemical_gen_classes_list, /list, list("C" = list(),"C1"
 //properties generated in chemicals, helps to make sure the same property doesn't show up 10 times
 GLOBAL_LIST_INIT_TYPED(generated_properties, /list, list("positive" = list(), "negative" = list(), "neutral" = list()))
 
+GLOBAL_LIST_INIT_TYPED(space_weapons, /datum/space_weapon, setup_ship_weapon())
+GLOBAL_LIST_INIT_TYPED(space_weapons_ammo, /datum/space_weapon_ammo, setup_ship_ammo())
+
 GLOBAL_LIST_INIT_TYPED(ammo_list, /datum/ammo, setup_ammo()) //List of all ammo types. Used by guns to tell the projectile how to act.
 GLOBAL_REFERENCE_LIST_INDEXED(joblist, /datum/job, title) //List of all jobstypes, minus borg and AI
 
@@ -320,6 +323,22 @@ GLOBAL_LIST_INIT(hj_emotes, setup_hazard_joe_emotes())
 		all_species[S.name] = S
 	return all_species
 
+/proc/setup_ship_weapon()
+	var/list/blacklist = list()
+	var/list/ammo_list = list()
+	for(var/T in subtypesof(/datum/space_weapon) - blacklist)
+		var/datum/space_weapon/A = new T
+		ammo_list[A.type] = A
+	return ammo_list
+
+/proc/setup_ship_ammo()
+	var/list/blacklist = list()
+	var/list/ammo_list = list()
+	for(var/T in subtypesof(/datum/space_weapon_ammo) - blacklist)
+		var/datum/space_weapon_ammo/A = new T
+		ammo_list[A.type] = A
+	return ammo_list
+
 /proc/setup_ammo()
 	var/list/blacklist = list(/datum/ammo/energy, /datum/ammo/energy/yautja, /datum/ammo/energy/yautja/rifle, /datum/ammo/bullet/shotgun, /datum/ammo/xeno)
 	var/list/ammo_list = list()