Fix Survival Inventory Tab API (#4147)

* restored some old code that had gone missing
* fixed the survival inventory tab API not working
* fixed some grammar

Reviewed-on: https://git.minetest.land/MineClone2/MineClone2/pulls/4147
Reviewed-by: the-real-herowl <the-real-herowl@noreply.git.minetest.land>
Co-authored-by: James David Clarke <james@jamesdavidclarke.com>
Co-committed-by: James David Clarke <james@jamesdavidclarke.com>

mods/HUD/mcl_inventory/init.lua

@@ -3,6 +3,19 @@ mcl_inventory = {}
 dofile(minetest.get_modpath(minetest.get_current_modname()) .. "/creative.lua")
 dofile(minetest.get_modpath(minetest.get_current_modname()) .. "/survival.lua")
 
+local old_is_creative_enabled = minetest.is_creative_enabled
+
+function minetest.is_creative_enabled(name)
+	if old_is_creative_enabled(name) then return true end
+	if not name then return false end
+	assert(type(name) == "string", "minetest.is_creative_enabled requires a string (the playername) argument.")
+	local p = minetest.get_player_by_name(name)
+	if p then
+		return p:get_meta():get_string("gamemode") == "creative"
+	end
+	return false
+end
+
 ---@param player mt.PlayerObjectRef
 ---@param armor_change_only? boolean
 local function set_inventory(player, armor_change_only)
@@ -73,12 +86,14 @@ end)
 
 ---@param player mt.PlayerObjectRef
 function mcl_inventory.update_inventory(player)
-	local player_gamemode = mcl_gamemode.get_gamemode(player)
+	local player_name = player:get_player_name()
-	if player_gamemode == "creative" then
+	local is_gamemode_creative = minetest.is_creative_enabled(player_name)
+	if is_gamemode_creative then
 		mcl_inventory.set_creative_formspec(player)
-	elseif player_gamemode == "survival" then
+	elseif not is_gamemode_creative then
 		player:set_inventory_formspec(mcl_inventory.build_survival_formspec(player))
 	end
+	mcl_meshhand.update_player(player)
 end
 
 mcl_gamemode.register_on_gamemode_change(function(player, old_gamemode, new_gamemode)

mods/HUD/mcl_inventory/survival.lua

@@ -1,18 +1,15 @@
 ---@diagnostic disable need-check-nil
-
-local table = table
-local ipairs = ipairs
-
 local S = minetest.get_translator("mcl_inventory")
 local F = minetest.formspec_escape
 
 ---@type {id: string, description: string, item_icon: string, build: (fun(player: ObjectRef): string), handle: fun(player: ObjectRef, fields: table), access: (fun(player): boolean), show_inventory: boolean}[]
 mcl_inventory.registered_survival_inventory_tabs = {}
 
+
 ---@param def {id: string, description: string, item_icon: string, build: (fun(player: ObjectRef): string), handle: fun(player: ObjectRef, fields: table), access: (fun(player): boolean), show_inventory: boolean}
 function mcl_inventory.register_survival_inventory_tab(def)
 	if #mcl_inventory.registered_survival_inventory_tabs == 7 then
-		error("Too much tabs registered!")
+		error("Too many tabs registered!")
 	end
 
 	assert(def.id)
@@ -134,10 +131,10 @@ local main_page_static = table.concat({
 
 	--Listring
 	"listring[current_player;main]",
-	"listring[current_player;armor]",
-	"listring[current_player;main]",
 	"listring[current_player;craft]",
 	"listring[current_player;main]",
+	"listring[current_player;armor]",
+	"listring[current_player;main]",
 })
 
 mcl_inventory.register_survival_inventory_tab({
@@ -204,13 +201,14 @@ function mcl_inventory.build_survival_formspec(player)
 end
 
 minetest.register_on_player_receive_fields(function(player, formname, fields)
+	local player_name = player:get_player_name()
 	if formname == "" and #mcl_inventory.registered_survival_inventory_tabs ~= 1 and
-		mcl_gamemode.get_gamemode(player) == "survival" then
+		not minetest.is_creative_enabled(player_name) then
 		for _, d in ipairs(mcl_inventory.registered_survival_inventory_tabs) do
 			if fields["tab_" .. d.id] and d.access(player) then
 				player_current_tab[player] = d.id
 				mcl_inventory.update_inventory(player)
-				return
+				break
 			end
 		end