Remove 'default dependency

Make the 'default' dependency optional

This commit introduces compatibility functions needed by the
3d_armor mods to adapt to the game that is being used.

Added license information to LICENSE.md in the modpack folder.

Co-authored-by: Sheriff U3 <210896603+Sheriff-Unit-3@users.noreply.github.com>

3d_armor/api.lua

@@ -108,18 +108,16 @@ local armor_textures = setmetatable({}, {
 	end
 })
 
-armor = {
+local armor_fields = {
 	timer = 0,
 	elements = {"head", "torso", "legs", "feet"},
 	physics = {"jump", "speed", "gravity"},
 	attributes = {"heal", "fire", "water", "feather"},
-	formspec = "image[2.5,0;2,4;armor_preview]"..
-		default.gui_bg..
-		default.gui_bg_img..
-		default.gui_slots..
-		default.get_hotbar_bg(0, 4.7)..
-		"list[current_player;main;0,4.7;8,1;]"..
-		"list[current_player;main;0,5.85;8,3;8]",
+	formspec = (
+		"image[2.5,0;2,4;armor_preview]" ..
+		armor.add_formspec_list("current_player", "main", 0, 4.7, 8, 1) ..
+		armor.add_formspec_list("current_player", "main", 0, 5.85, 8, 3, 8)
+	),
 	def = armor_def,
 	textures = armor_textures,
 	default_skin = "character",
@@ -156,10 +154,13 @@ armor = {
 		on_destroy = {},
 	},
 	migrate_old_inventory = true,
-  version = "0.4.13",
   get_translator = S
 }
 
+for k, v in pairs(armor_fields) do
+	armor[k] = v
+end
+
 armor.config = {
 	init_delay = 2,
 	bones_delay = 1,

3d_armor/gamecompat.lua

@@ -0,0 +1,41 @@
+-- 3d_armor defaults to support unknown games
+local sounds = {
+	wood = {
+		footstep = { name = "armor_wood_walk", gain = 0.5 },
+		dig = { name = "armor_wood_dig", gain = 0.5 },
+		dug = { name = "armor_wood_walk", gain = 0.5 }
+	},
+	metal = {
+		dig = { name = "armor_metal_dig", gain = 0.5 },
+		dug = { name = "armor_metal_break", gain = 0.5 },
+	},
+	glass = {
+		dig = { name = "armor_glass_hit", gain = 0.5 },
+		dug = { name = "armor_glass_break", gain = 0.5 },
+	},
+}
+
+local formspec_list_template = "list[%s;%s;%f,%f;%f,%f;%s]"
+-- Allow custom slot styling
+armor.add_formspec_list = function(location, listname, x, y, w, h, offset)
+	return formspec_list_template:format(location, listname, x, y, w, h, tostring(offset) or "")
+end
+
+
+if core.get_modpath("default") then
+	sounds = {
+		wood  = default.node_sound_wood_defaults(),
+		metal = default.node_sound_metal_defaults(),
+		glass = default.node_sound_glass_defaults(),
+	}
+	-- armor.add_formspec_list : use formspec prepends for styling
+end
+
+
+-- Sanity checks
+for name, def in pairs(sounds) do
+	assert(type(def) == "table", "Incorrect registration of sound " .. name)
+end
+
+
+armor.sounds = sounds

3d_armor/init.lua

@@ -8,6 +8,11 @@ local worldpath = minetest.get_worldpath()
 local last_punch_time = {}
 local timer = 0
 
+armor = {
+	version = "0.4.13"
+}
+
+dofile(modpath.."/gamecompat.lua")
 dofile(modpath.."/api.lua")
 
 -- local functions
@@ -480,10 +485,12 @@ end)
 
 if armor.config.fire_protect == true then
 
-	-- make torches hurt
-	minetest.override_item("default:torch", {damage_per_second = 1})
-	minetest.override_item("default:torch_wall", {damage_per_second = 1})
-	minetest.override_item("default:torch_ceiling", {damage_per_second = 1})
+	if core.get_modpath("default") then
+		-- make torches hurt
+		minetest.override_item("default:torch", {damage_per_second = 1})
+		minetest.override_item("default:torch_wall", {damage_per_second = 1})
+		minetest.override_item("default:torch_ceiling", {damage_per_second = 1})
+	end
 
 	-- check player damage for any hot nodes we may be protected against
 	minetest.register_on_player_hpchange(function(player, hp_change, reason)

3d_armor/mod.conf

@@ -1,5 +1,5 @@
 name = 3d_armor
-depends = default, player_api
-optional_depends = player_monoids, armor_monoid, pova, moreores
+depends = player_api
+optional_depends = default, player_monoids, armor_monoid, pova, moreores
 description = Adds craftable armor that is visible to other players.
 min_minetest_version = 5.4