Draw arrow for player holding map

init.lua

@@ -373,7 +373,6 @@ minetest.register_on_joinplayer(
 			scale = { x = 4, y = 4 }
 		}
 		local dot_def = table.copy(map_def)
-		dot_def.text = "maps_x.tga" -- "player.png^[resize:4x8"
 		maps.maps[player_name] = player:hud_add(map_def)
 		maps.dots[player_name] = player:hud_add(dot_def)
 		maps.minp[player_name] = { x=-32000, y=0, z=0 }
@@ -428,6 +427,35 @@ minetest.register_globalstep(
 				maps.posx[player_name] = pos.x
 				maps.posz[player_name] = pos.z
 			end
+			local marker
+			local yaw = (
+				math.floor(
+					player:get_look_horizontal()
+					* 180 / math.pi / 45 + 0.5
+				) % 8
+			) * 45
+			if (
+				yaw == 0 or
+				yaw == 90 or
+				yaw == 180 or
+				yaw == 270
+			) then
+				marker = "maps_arrow.tga" .. "^[transformR" .. yaw
+			elseif (
+				yaw == 45 or
+				yaw == 135 or
+				yaw == 225 or
+				yaw == 315
+			) then
+				marker = "maps_arrow_diagonal.tga" .. "^[transformR" .. (yaw - 45)
+			end
+			if marker then
+				player:hud_change(
+					maps.dots[player_name],
+					"text",
+					marker
+				)
+			end
 		end
 	end
 )