storage

code/__DEFINES/inventory.dm

@@ -1,13 +1,5 @@
 /*ALL DEFINES RELATED TO INVENTORY OBJECTS, MANAGEMENT, ETC, GO HERE*/
 
-//ITEM INVENTORY WEIGHT, FOR w_class
-#define WEIGHT_CLASS_TINY     1 //Usually items smaller then a human hand, ex: Playing Cards, Lighter, Scalpel, Coins/Money
-#define WEIGHT_CLASS_SMALL    2 //Pockets can hold small and tiny items, ex: Flashlight, Multitool, Grenades, GPS Device
-#define WEIGHT_CLASS_NORMAL   3 //Standard backpacks can carry tiny, small & normal items, ex: Fire extinguisher, Stunbaton, Gas Mask, Metal Sheets
-#define WEIGHT_CLASS_BULKY    4 //Items that can be weilded or equipped but not stored in a normal bag, ex: Defibrillator, Backpack, Space Suits
-#define WEIGHT_CLASS_HUGE     5 //Usually represents objects that require two hands to operate, ex: Shotgun, Two Handed Melee Weapons - Can not fit in Boh
-#define WEIGHT_CLASS_GIGANTIC 6 //Essentially means it cannot be picked up or placed in an inventory, ex: Mech Parts, Safe - Can not fit in Boh
-
 //Inventory depth: limits how many nested storage items you can access directly.
 //1: stuff in mob, 2: stuff in backpack, 3: stuff in box in backpack, etc
 #define INVENTORY_DEPTH		3

code/__DEFINES/storage.dm

@@ -0,0 +1,32 @@
+// storage_flags variable on /datum/component/storage
+
+// Storage limits. These can be combined I guess but you really, really shouldn't (don't do it really)
+/// Check max_items and contents.len when trying to insert
+#define STORAGE_LIMIT_MAX_ITEMS				(1<<0)
+/// Check w_class and max_combined_w_class, aka legacy behavior if you combine it with [STORAGE_LIMIT_MAX_ITEMS].
+#define STORAGE_LIMIT_COMBINED_W_CLASS		(1<<1)
+/// Use max_w_class for maximum w_class but use the new volume system. Will automatically force rendering to use the new volume/baystation scaling UI so this is kind of incompatible with stuff like stack storage etc etc.
+#define STORAGE_LIMIT_VOLUME				(1<<2)
+
+//ITEM INVENTORY WEIGHT, FOR w_class
+/// Usually items smaller then a human hand, ex: Playing Cards, Lighter, Scalpel, Coins/Money
+#define WEIGHT_CLASS_TINY     1
+/// Pockets can hold small and tiny items, ex: Flashlight, Multitool, Grenades, GPS Device
+#define WEIGHT_CLASS_SMALL    2
+/// Standard backpacks can carry tiny, small & normal items, ex: Fire extinguisher, Stunbaton, Gas Mask, Metal Sheets
+#define WEIGHT_CLASS_NORMAL   3
+/// Items that can be weilded or equipped but not stored in a normal bag, ex: Defibrillator, Backpack, Space Suits
+#define WEIGHT_CLASS_BULKY    4
+/// Usually represents objects that require two hands to operate, ex: Shotgun, Two Handed Melee Weapons - Can not fit in Boh
+#define WEIGHT_CLASS_HUGE     5
+/// Essentially means it cannot be picked up or placed in an inventory, ex: Mech Parts, Safe - Can not fit in Boh
+#define WEIGHT_CLASS_GIGANTIC 6
+
+/// Macro for automatically getting the volume of an item from its w_class.
+#define AUTO_SCALE_VOLUME(w_class)							(w_class ** 2)
+/// Macro for automatically getting the volume of a storage item from its max_w_class and max_items.
+#define AUTO_SCALE_STORAGE_VOLUME(w_class, max_items)		(AUTO_SCALE_VOLUME(w_class) * max_items)
+
+// UI defines
+/// Minimum pixels an item must have in volumetric scaled storage UI
+#define MINIMUM_PIXELS_PER_ITEM 5