Techwebs (#11249)

code/modules/asset_cache/assets/research_designs.dm

@@ -0,0 +1,67 @@
+// Representative icons for each research design
+/datum/asset/spritesheet_batched/research_designs
+	name = "design"
+
+/datum/asset/spritesheet_batched/research_designs/create_spritesheets()
+	for (var/datum/design_techweb/path as anything in subtypesof(/datum/design_techweb))
+		if(initial(path.id) == DESIGN_ID_IGNORE)
+			continue
+
+		var/icon_file
+		var/icon_state
+		var/datum/icon_transformer/transform = null
+
+		if(initial(path.research_icon) && initial(path.research_icon_state)) //If the design has an icon replacement skip the rest
+			icon_file = path::research_icon
+			icon_state = path::research_icon_state
+			// if (PERFORM_ALL_TESTS(focus_only/invalid_research_designs))
+			// 	if(!icon_exists(icon_file, icon_state))
+			// 		stack_trace("design [path] with icon '[icon_file]' missing state '[icon_state]'")
+			// 		continue
+		else
+			// construct the icon and slap it into the resource cache
+			var/atom/item = initial(path.build_path)
+			if (!ispath(item, /atom))
+				// biogenerator reagent designs display their default container
+				// if(initial(path.make_reagent))
+				// 	var/datum/reagent/reagent = initial(path.make_reagent)
+				// 	item = initial(reagent.default_container)
+				// else
+				continue  // shouldn't happen, but just in case
+
+			// circuit boards become their resulting machines or computers
+			if (ispath(item, /obj/item/circuitboard))
+				var/obj/item/circuitboard/C = item
+				var/machine = initial(C.build_path)
+				if (machine)
+					item = machine
+
+			// GAGS icon short-circuit the rest of the checks
+			// if (item::greyscale_config && item::greyscale_colors)
+			// 	insert_icon(path::id, gags_to_universal_icon(item))
+			// 	continue
+			// else
+			icon_file = item::icon
+
+			icon_state = item::icon_state
+			if(item::color)
+				transform = color_transform(item::color)
+			// if (PERFORM_ALL_TESTS(focus_only/invalid_research_designs))
+			// 	if(!icon_exists(icon_file, icon_state))
+			// 		stack_trace("design [path] with icon '[icon_file]' missing state '[icon_state]'")
+			// 		continue
+
+			// computers (and snowflakes) get their screen and keyboard sprites
+			if (ispath(item, /obj/machinery/computer) || ispath(item, /obj/machinery/power/solar_control))
+				if(!transform)
+					transform = new()
+				var/obj/machinery/computer/C = item
+				var/screen = initial(C.icon_screen)
+				var/keyboard = initial(C.icon_keyboard)
+				var/all_states = icon_states(icon_file)
+				if (screen && (screen in all_states))
+					transform.blend_icon(uni_icon(icon_file, screen), ICON_OVERLAY)
+				if (keyboard && (keyboard in all_states))
+					transform.blend_icon(uni_icon(icon_file, keyboard), ICON_OVERLAY)
+
+		insert_icon(initial(path.id), uni_icon(icon_file, icon_state, transform=transform))