rewrite areas hud. issue #194

mods/areas/hud.lua

@@ -7,36 +7,67 @@ local function tick()
 	for _, player in pairs(minetest.get_connected_players()) do
 		local name = player:get_player_name()
 		local pos = vector.round(player:getpos())
-		local areaStrings = {}
+		local area_text = "no areas\n"
+		local area_owner_name = ""
+		local mod_owner = 0
+		local mod_open = 0
+		local mod_arming = 0
+
+		local nb_areas = 0
 		for id, area in pairs(areas:getAreasAtPos(pos)) do
-			table.insert(areaStrings, ("%s [%u] (%s%s)")
-					:format(area.name, id, area.owner,
-					area.open and ":open" or area.openfarming and ":open to farming" or ""))
+			nb_areas = nb_areas+1
+			if areas:isAreaOwner(id, name) then
+				mod_owner = 1
+			end
+
+			if area.open then
+				mod_open = 1
+			end
+			if area.openfarming then
+				mod_arming = 1
+			end
+
+			if not area.parent then
+				area_owner_name = area.owner
+			end
 		end
-		local areaString = "Areas:"
-		if #areaStrings > 0 then
-			areaString = areaString.."\n"..
-				table.concat(areaStrings, "\n")
+
+		local icon = "areas_1_0_1.png"
+		if nb_areas > 0 then
+			area_text = ("nb area:%u\nowner:%s"):format(nb_areas, area_owner_name)
+			icon = ("areas_%u_%u_%u.png"):format(mod_owner, mod_open, mod_arming)
 		end
-		local hud = areas.hud[name]
-		if not hud then
-			hud = {}
-			areas.hud[name] = hud
-			hud.areasId = player:hud_add({
+		if not areas.hud[name] then
+			areas.hud[name] = {}
+			areas.hud[name].icon = player:hud_add({
+				hud_elem_type = "image",
+				position = {x=0,y=1},
+				scale = {x=1,y=1},
+				offset = {x=26,y=-60},
+				text = icon,
+			})
+
+			areas.hud[name].areas_id = player:hud_add({
 				hud_elem_type = "text",
 				name = "Areas",
 				number = 0xFFFFFF,
 				position = {x=0, y=1},
-				offset = {x=8, y=-8},
-				text = areaString,
-				scale = {x=200, y=60},
+				offset = {x=48, y=-40},
+				text = area_text,
+				scale = {x=1, y=1},
 				alignment = {x=1, y=-1},
 			})
-			hud.oldAreas = areaString
-			return
-		elseif hud.oldAreas ~= areaString then
-			player:hud_change(hud.areasId, "text", areaString)
-			hud.oldAreas = areaString
+			areas.hud[name].old_area_text = area_text
+			areas.hud[name].old_icon = icon
+		else
+			if areas.hud[name].old_area_text ~= area_text then
+				player:hud_change(areas.hud[name].areas_id, "text", area_text)
+				areas.hud[name].old_area_text = area_text
+			end
+			if areas.hud[name].old_icon ~= icon then
+				player:hud_change(areas.hud[name].icon, "text", icon)
+				areas.hud[name].old_icon = icon
+			end
 		end
 	end
 end