Add help buttons

mods/HELP/mcl_doc/init.lua

@@ -1,2 +1,10 @@
+-- Disable built-in factoids; it is planned to add custom ones as replacements
 doc.sub.items.disable_core_factoid("node_mining")
 doc.sub.items.disable_core_factoid("tool_capabilities")
+
+-- Help button callback
+minetest.register_on_player_receive_fields(function(player, formname, fields)
+	if fields.__mcl_doc then
+		doc.show_doc(player:get_player_name())
+	end
+end)

mods/HUD/mcl_inventory/creative.lua

@@ -245,8 +245,11 @@ mcl_inventory.set_creative_formspec = function(player, start_i, pagenum, show, p
 				-- crafting guide button
 				"image_button[9,1;1,1;craftguide_book.png;__mcl_craftguide;]"..
 				"tooltip[__mcl_craftguide;Show crafting recipes]"..
+				-- help button
+				"image_button[9,2;1,1;doc_button_icon_lores.png;__mcl_doc;]"..
+				"tooltip[__mcl_doc;Help]"..
 				-- achievements button
-				"image_button[9,2;1,1;mcl_achievements_button.png;__mcl_achievements;]"..
+				"image_button[9,3;1,1;mcl_achievements_button.png;__mcl_achievements;]"..
 				"tooltip[__mcl_achievements;Achievements]"
 
 			-- For shortcuts

mods/HUD/mcl_inventory/init.lua

@@ -92,8 +92,11 @@ local function set_inventory(player, armor_change_only)
 	-- crafting guide button
 	"image_button[8,0;1,1;craftguide_book.png;__mcl_craftguide;]"..
 	"tooltip[__mcl_craftguide;Show crafting recipes]"..
+	-- help button
+	"image_button[8,1;1,1;doc_button_icon_lores.png;__mcl_doc;]"..
+	"tooltip[__mcl_doc;Help]"..
 	-- achievements button
-	"image_button[8,1;1,1;mcl_achievements_button.png;__mcl_achievements;]"..
+	"image_button[8,2;1,1;mcl_achievements_button.png;__mcl_achievements;]"..
 	"tooltip[__mcl_achievements;Achievements]"..
 	-- for shortcuts
 	"listring[current_player;main]"..