Add sfinv & no inventory support, remove print

gui_plain.lua

@@ -0,0 +1,12 @@
+minetest.register_chatcommand("upgrade_packs", {
+	description = "Allows inserting upgrade packs without CSM",
+	func = function(name, param)
+		minetest.show_formspec(name, "upgrade_packs:gui_plain",
+			"size[8,7]" ..
+			"label[3,0;Upgrade Packs]" ..
+			"list[current_player;ugpacks;2,1;4,1;]" ..
+			"list[current_player;main;0,3;8,4;]" ..
+			"listring[]"
+		)
+	end
+})

gui_sfinv.lua

@@ -1,2 +1,12 @@
--- TODO
-return
+sfinv.register_page("upgrade_packs:ugpacks", {
+	title = "Upgrade Packs",
+	get = function(self, player, context)
+		local name = player:get_player_name()
+		return sfinv.make_formspec(player, context,
+			"label[3,0;Upgrade Packs]" ..
+			"list[current_player;ugpacks;3,1;2,2;]" ..
+			"list[current_player;main;0,5;8,4;]" ..
+			"listring[]"
+			, false)
+	end
+})

gui_unified_inventory.lua

@@ -13,9 +13,9 @@ unified_inventory.register_page("ugpacks", {
 		local y = perplayer_formspec.formspec_y
 
 		return { formspec = (
-			"label[1,0;Upgrade Packs]"..
-			"list[current_player;ugpacks;1," ..(y + 1) .. ";2,2;]"..
-			"listring[current_player;main]"..
+			"label[3,0;Upgrade Packs]" ..
+			"list[current_player;ugpacks;3," .. (y + 1) .. ";2,2;]" ..
+			"listring[current_player;main]" ..
 			"listring[current_player;ugpacks]"
 		)}
 	end

init.lua

@@ -9,6 +9,8 @@ if minetest.get_modpath("unified_inventory") then
 	dofile(modpath .. "/gui_unified_inventory.lua")
 elseif minetest.get_modpath("sfinv") then
 	dofile(modpath .. "/gui_sfinv.lua")
+else
+	dofile(modpath .. "/gui_plain.lua")
 end
 
 upgrade_packs.register_pack("upgrade_packs:hp_10", "health", {
@@ -51,12 +53,11 @@ minetest.register_on_joinplayer(function(player)
 end)
 
 minetest.register_on_item_eat(function(hp_change, replace_with_item, itemstack, user)
-	print(dump(hp_change))
 	if hp_change == 0 then
 		return
 	end
 	-- Undo some of the wear when eating instead of dying
-	upgrade_packs.add_wear(user, "health", hp_change * -10)
+	upgrade_packs.add_wear(user, "health", hp_change * -2)
 end)
 
 minetest.register_on_player_hpchange(function(player, hp_change, reason)
@@ -71,7 +72,6 @@ minetest.register_on_player_hpchange(function(player, hp_change, reason)
 end, false)
 
 minetest.register_allow_player_inventory_action(function(player, action, inv, data)
-	print(dump(data))
 	if data.to_list ~= "ugpacks" then
 		return -- Not interesting for this mod
 	end