Compatibility with minetest_game’s sethome

If sethome is present, we use its API for
getting/setting homes, otherwise we use i3’s own.

src/fields.lua

@@ -132,18 +132,28 @@ local function inv_fields(player, data, fields)
 	elseif fields.sort then
 		sort_inventory(player, data)
 
-	elseif fields.home then
+	elseif (fields.home or fields.set_home) and not check_privs(name, {home = true}) then
-		if not data.home then
-			return msg(name, "No home set")
-		elseif not check_privs(name, {home = true}) then
 		return msg(name, "'home' privilege missing")
+
+	elseif fields.home then
+		if sethome then
+			if not sethome.go(name) then
+				return msg(name, "No home set")
+			end
+		elseif not data.home then
+			return msg(name, "No home set")
+		else
+			safe_teleport(player, str_to_pos(data.home))
 		end
 
-		safe_teleport(player, str_to_pos(data.home))
 		msg(name, S"Welcome back home!")
 
 	elseif fields.set_home then
+		if sethome then
+			sethome.set(name, player:get_pos())
+		else
 			data.home = pos_to_str(player:get_pos(), 1)
+		end
 
 	elseif fields.bag_rename then
 		data.bag_rename = true

src/gui.lua

@@ -569,7 +569,7 @@ local function get_container(fs, data, player, yoffset, ctn_len, award_list, awa
 	end
 end
 
-local function show_settings(fs, data)
+local function show_settings(fs, data, player)
 	if data.confirm_trash then
 		image(2.8, 10.65, 4.6, 0.7, PNG.bg_goto)
 		label(3.02, 11, "Confirm trash?")
@@ -608,8 +608,16 @@ local function show_settings(fs, data)
 		if show_home then
 			local coords, c, str = {"X", "Y", "Z"}, 0, ES"No home set"
 
-			if data.home then
+			local home = data.home
-				str = data.home:gsub(",", "  "):sub(2,-2):gsub("%.%d", ""):gsub(
+			if sethome then
+				-- i3 stores home coordinates with one decimal of precision, as the blow fmt() statement
+				-- assumes. So we need to trim sethome’s coordinates to one decimal, likewise.
+				local home_pos = sethome.get(player:get_player_name())
+				home = string.format("(%.1f,%.1f,%.1f)", home_pos.x, home_pos.y, home_pos.z)
+			end
+
+			if home then
+				str = home:gsub(",", "  "):sub(2,-2):gsub("%.%d", ""):gsub(
 					"(%-?%d+)", function(a)
 						c++
 						return fmt("<b>%s: <style color=%s font=mono>%s</style></b>",
@@ -682,7 +690,7 @@ local function show_settings(fs, data)
 	end
 end
 
-local function get_footer(fs, data)
+local function get_footer(fs, data, player)
 	local btn = {
 		{"trash",    ES"Clear inventory"},
 		{"sort",     ES"Sort inventory"},
@@ -698,10 +706,10 @@ local function get_footer(fs, data)
 		fs("tooltip[%s;%s;#32333899;#fff]", btn_name, tooltip)
 	end
 
-	show_settings(fs, data)
+	show_settings(fs, data, player)
 end
 
-local function get_slots(fs, data)
+local function get_slots(fs, data, player)
 	local legacy_inventory = data.legacy_inventory
 	local hotbar_len = data.hotbar_len
 	local inv_x = legacy_inventory and 0.23 or 0.22
@@ -725,7 +733,7 @@ local function get_slots(fs, data)
 
 	fs"listring[current_player;craft]listring[current_player;main]"
 
-	get_footer(fs, data)
+	get_footer(fs, data, player)
 end
 
 local function get_inventory_fs(player, data, fs)
@@ -1777,7 +1785,7 @@ local function make_fs(player, data)
 		end
 
 		if tab.slots then
-			get_slots(fs, data)
+			get_slots(fs, data, player)
 		end
 	end