start to take care of loose ends

stairsplus/compat2/old_moreblocks.lua

@@ -0,0 +1,39 @@
+-- legacy: export old API for mods which depend on it
+-- provide a configuration option to *disable* legacy. it must be enabled by default, to prevent breaking
+-- existing servers
+local api = stairsplus.api
+
+local is_legacy_drawtype = stairsplus.compat.is_legacy_drawtype
+local legacy_mode = stairsplus.settings.legacy_mode
+
+function stairsplus:register_all(modname, subname, recipeitem, fields)
+	local meta = {}
+	if is_legacy_drawtype(recipeitem) then
+		meta.ignore_drawtype = true
+	end
+
+	if legacy_mode then
+		api.register_group(recipeitem, "legacy", fields, meta)
+	else
+		api.register_group(recipeitem, "common", fields, meta)
+	end
+
+	local old_name = ("%s:%s"):format(modname, subname)
+	if old_name ~= recipeitem then
+		api.register_alias_all(old_name, recipeitem)
+	end
+end
+
+function stairsplus:register_alias_all(modname_old, subname_old, modname_new, subname_new)
+	api.register_alias_all(
+		("%s:%s"):format(modname_old, subname_old),
+		("%s:%s"):format(modname_new, subname_new)
+	)
+end
+
+function stairsplus:register_alias_force_all(modname_old, subname_old, modname_new, subname_new)
+	api.register_alias_force_all(
+		("%s:%s"):format(modname_old, subname_old),
+		("%s:%s"):format(modname_new, subname_new)
+	)
+end