Allow 99 items (independent of stacks) instead of 5 stacks

IMHO, this allows for a more realistic and practical usage of the jetpack.

README.md

@@ -19,7 +19,7 @@ Instructions:
   
 Important to know:
 - 12 units of hydrogen are sufficient for a flight of 6 minutes
-- Maximum 5 items stacks in your inventory are allowed including the controller.
+- Maximum of 99 items in your inventory are allowed including the controller.
   Otherwise you would be too heavy :-)
 - The Jetpack also wears out and can be used for approximately 10 flights
 - Always hold the controller tight during the flight, otherwise it will switch off :)

init.lua

@@ -19,7 +19,7 @@ local Jetpacks = {}
 local MAX_HEIGHT = tonumber(minetest.settings:get("ta4_jetpack_max_height")) or 500
 local MAX_VSPEED = tonumber(minetest.settings:get("ta4_jetpack_max_vertical_speed")) or 20
 local MAX_HSPEED = (tonumber(minetest.settings:get("ta4_jetpack_max_horizontal_speed")) or 12) / 4
-local MAX_NUM_INV_ITEMS = tonumber(minetest.settings:get("ta4_jetpack_max_num_inv_items")) or 5
+local MAX_NUM_INV_ITEMS = tonumber(minetest.settings:get("ta4_jetpack_max_num_inv_items")) or 99
 
 -- Flight time maximum 6 min or 360 s or 3600 steps.
 -- 12 units hydrogen for 3600 steps means 0.0033 units hydrogen / step.
@@ -153,7 +153,7 @@ local function check_player_load(player)
 	end
 	local count = 0
 	for _, stack in ipairs(inv:get_list("main") or {}) do
-		count = count + (stack:is_empty() and 0 or 1)
+		count = count + stack:get_count()
 		if count > MAX_NUM_INV_ITEMS then 
 			return S("check your inventory!")
 		end

manual_DE.lua

@@ -17,7 +17,7 @@ techage.add_to_manual('DE', {
   "\n"..
   "\n",
   "  - 12 Einheiten Wasserstoff reichen für einen Flug von 6 Minuten\n"..
-  "  - Maximal 5 Stapel von Gegenständen im Spieler-Inventar sind zulässig\\, einschließlich des Controllers\n(Sonst wärst du zu schwer :-)\n"..
+  "  - Maximal 99 Gegenstände im Spieler-Inventar sind zulässig\\, einschließlich des Controllers\n(Sonst wärst du zu schwer :-)\n"..
   "  - Das Jetpack nutzt sich ab und kann für ca. 10 Flüge verwendet werden\n"..
   "  - Halte den Controller während des Fluges immer fest\\, sonst schaltet er sich aus :)\n"..
   "\n"..

manual_DE.md

@@ -21,7 +21,7 @@ Das Jetpack ist inspiriert vom Jetpack von spirit689 (https://github.com/spirit6
 ## Was du wissen solltest
 
 - 12 Einheiten Wasserstoff reichen für einen Flug von 6 Minuten
-- Maximal 5 Stapel von Gegenständen im Spieler-Inventar sind zulässig, einschließlich des Controllers
+- Maximal 99 Gegenstände im Spieler-Inventar sind zulässig, einschließlich des Controllers
   (Sonst wärst du zu schwer :-)
 - Das Jetpack nutzt sich ab und kann für ca. 10 Flüge verwendet werden
 - Halte den Controller während des Fluges immer fest, sonst schaltet er sich aus :)

manual_EN.lua

@@ -18,7 +18,7 @@ techage.add_to_manual('EN', {
   "\n"..
   "\n",
   "  - 12 units of hydrogen are sufficient for a flight of 6 minutes\n"..
-  "  - Maximum 5 items stacks in your inventory are allowed including the controller.\nOtherwise you would be too heavy :-)\n"..
+  "  - Maximum 99 items in your inventory are allowed including the controller.\nOtherwise you would be too heavy :-)\n"..
   "  - The Jetpack also wears out and can be used for approximately 10 flights\n"..
   "  - Always hold the controller tight during the flight\\, otherwise it will switch off :)\n"..
   "\n"..

manual_EN.md

@@ -22,7 +22,7 @@ and by the historical game Lunar Lander.
 ## Important to know
 
 - 12 units of hydrogen are sufficient for a flight of 6 minutes
-- Maximum 5 items stacks in your inventory are allowed including the controller.
+- Maximum 99 items in your inventory are allowed including the controller.
   Otherwise you would be too heavy :-)
 - The Jetpack also wears out and can be used for approximately 10 flights
 - Always hold the controller tight during the flight, otherwise it will switch off :)

settingtypes.txt

@@ -8,7 +8,7 @@ ta4_jetpack_max_vertical_speed (maximum vertical speed) int 20
 ta4_jetpack_max_horizontal_speed (maximum horizontal speed) int 12
 
 # Maximum number of inventory items a player can take
-ta4_jetpack_max_num_inv_items (maximum number of inventory items) int 5
+ta4_jetpack_max_num_inv_items (maximum number of inventory items) int 99