Merge remote-tracking branch 'upstream/master'

init.lua

@@ -1,5 +1,11 @@
 -- Unified Inventory
 
+if not minetest.features.formspec_version_element then
+	-- At least formspec_version[] is the minimal feature requirement
+	error("Unified Inventory requires Minetest version 5.4.0 or newer.\n" ..
+		" Please update Minetest or use an older version of Unified Inventory.")
+end
+
 local modpath = minetest.get_modpath(minetest.get_current_modname())
 local worldpath = minetest.get_worldpath()
 
@@ -46,7 +52,7 @@ unified_inventory = {
 	list_img_offset = 0.13,
 	standard_background = "background9[0,0;1,1;ui_formbg_9_sliced.png;true;16]",
 
-	version = 3
+	version = 4
 }
 
 local ui = unified_inventory
@@ -59,10 +65,16 @@ ui.style_full = {
 	formspec_y = 1,
 	formw = 17.75,
 	formh = 12.25,
+	-- Item browser size, pos
 	pagecols = 8,
 	pagerows = 9,
 	page_x = 10.75,
 	page_y = 2.30,
+	-- Item browser controls
+	page_buttons_x = 11.60,
+	page_buttons_y = 10.15,
+	searchwidth = 3.4,
+	-- Crafting grid positions
 	craft_x = 2.8,
 	craft_y = 1.15,
 	craftresult_x = 7.8,
@@ -74,13 +86,15 @@ ui.style_full = {
 	craft_guide_resultstr_x = 0.3,
 	craft_guide_resultstr_y = 0.6,
 	give_btn_x = 0.25,
+	-- Tab switching buttons
 	main_button_x = 0.4,
 	main_button_y = 11.0,
-	page_buttons_x = 11.60,
-	page_buttons_y = 10.15,
-	searchwidth = 3.4,
+	main_button_cols = 12,
+	main_button_rows = 1,
+	-- Tab title position
 	form_header_x = 0.4,
 	form_header_y = 0.4,
+	-- Generic sizes
 	btn_spc = 0.85,
 	btn_size = 0.75,
 	std_inv_x = 0.3,
@@ -92,10 +106,16 @@ ui.style_lite = {
 	formspec_y =  0.6,
 	formw = 14,
 	formh = 9.75,
+	-- Item browser size, pos
 	pagecols = 4,
 	pagerows = 5,
 	page_x = 10.5,
 	page_y = 2.15,
+	-- Item browser controls
+	page_buttons_x = 10.5,
+	page_buttons_y = 6.15,
+	searchwidth = 1.6,
+	-- Crafting grid positions
 	craft_x = 2.6,
 	craft_y = 0.75,
 	craftresult_x = 5.75,
@@ -107,13 +127,15 @@ ui.style_lite = {
 	craft_guide_resultstr_x = 0.15,
 	craft_guide_resultstr_y = 0.35,
 	give_btn_x = 0.15,
+	-- Tab switching buttons
 	main_button_x = 10.5,
 	main_button_y = 8.15,
-	page_buttons_x = 10.5,
-	page_buttons_y = 6.15,
-	searchwidth = 1.6,
+	main_button_cols = 4,
+	main_button_rows = 2,
+	-- Tab title position
 	form_header_x =  0.2,
 	form_header_y =  0.2,
+	-- Generic sizes
 	btn_spc = 0.8,
 	btn_size = 0.7,
 	std_inv_x = 0.1,
@@ -170,4 +192,6 @@ end
 
 dofile(modpath.."/item_names.lua")
 dofile(modpath.."/waypoints.lua")
+dofile(modpath.."/legacy.lua") -- mod compatibility
+
 minetest.log("action", "[unified_inventory] loaded.")