Merge pull request #3408 from Yoshax/floralsomatoray

Adds Gene Targetting mode to Floral Somatoray

code/datums/repositories/decls.dm

@@ -0,0 +1,39 @@
+/var/repository/decls/decls_repository = new()
+
+/repository/decls
+	var/list/fetched_decls
+	var/list/fetched_decl_types
+	var/list/fetched_decl_subtypes
+
+/repository/decls/New()
+	..()
+	fetched_decls = list()
+	fetched_decl_types = list()
+	fetched_decl_subtypes = list()
+
+/repository/decls/proc/decls_of_type(var/decl_prototype)
+	. = fetched_decl_types[decl_prototype]
+	if(!.)
+		. = get_decls(typesof(decl_prototype))
+		fetched_decl_types[decl_prototype] = .
+
+/repository/decls/proc/decls_of_subtype(var/decl_prototype)
+	. = fetched_decl_subtypes[decl_prototype]
+	if(!.)
+		. = get_decls(subtypesof(decl_prototype))
+		fetched_decl_subtypes[decl_prototype] = .
+
+/repository/decls/proc/get_decl(var/decl_type)
+	. = fetched_decls[decl_type]
+	if(!.)
+		. = new decl_type()
+		fetched_decls[decl_type] = .
+
+/repository/decls/proc/get_decls(var/list/decl_types)
+	. = list()
+	for(var/decl_type in decl_types)
+		.[decl_type] =  get_decl(decl_type)
+
+/decls/Destroy()
+	crash_with("Prevented attempt to delete a decl instance: [log_info_line(src)]")
+	return 1 // Prevents Decl destruction

code/datums/repositories/repository.dm

@@ -1,4 +1,19 @@
+/repository/New()
+	return
+
 /datum/cache_entry
 	var/timestamp
 	var/data
 
+/datum/cache_entry/New()
+	timestamp = world.time
+
+/datum/cache_entry/proc/is_valid()
+	return FALSE
+
+/datum/cache_entry/valid_until/New(var/valid_duration)
+	..()
+	timestamp += valid_duration
+
+/datum/cache_entry/valid_until/is_valid()
+	return world.time < timestamp