Added HUD text to show protected areas

3 files changed, 62 insertions, 0 deletions

diff --git a/README.md b/README.md
index 888330d..0ef4983 100644
--- a/README.md
+++ b/README.md
@@ -52,6 +52,7 @@ Change log:
       It can also place vertically (up and down) as well.  New protector recipe added.
 - 2.3 - Localise many of the protector functions and tidy code.
 - 2.4 - Update to newer functions, Minetest 0.4.16 needed to run now.
+- 2.5 - Added HUD text to show when player is inside a protected area (updates every 5 seconds)
 
 Lucky Blocks: 10
 
diff --git a/hud.lua b/hud.lua
new file mode 100644
index 0000000..cbf1bd2
--- /dev/null
+++ b/hud.lua
@@ -0,0 +1,60 @@
+
+local radius = (tonumber(minetest.setting_get("protector_radius")) or 5)
+local hud = {}
+local hud_timer = 0
+
+minetest.register_globalstep(function(dtime)
+
+	hud_timer = hud_timer + dtime
+	if hud_timer < 5 then
+		return
+	end
+	hud_timer = 0
+
+	for _, player in pairs(minetest.get_connected_players()) do
+
+		local name = player:get_player_name()
+		local pos = vector.round(player:getpos())
+		local hud_text = "You can build here"
+
+		local protectors = minetest.find_nodes_in_area(
+			{x=pos.x -radius , y=pos.y -radius , z=pos.z -radius},
+			{x=pos.x +radius , y=pos.y +radius , z=pos.z +radius},
+			{"protector:protect","protector:protect2"})
+
+		if #protectors > 0 then
+			local npos = protectors[1]
+			local meta = minetest.get_meta(npos)
+			local nodeowner = meta:get_string("owner")
+
+			hud_text = "Owned by: " .. nodeowner
+		end
+
+		if not hud[name] then
+
+			hud[name] = {}
+
+			hud[name].id = player:hud_add({
+				hud_elem_type = "text",
+				name = "Protector Area",
+				number = 0xFFFF22,
+				position = {x=0, y=0.95},
+				offset = {x=8, y=-8},
+				text = hud_text,
+				scale = {x=200, y=60},
+				alignment = {x=1, y=-1},
+			})
+
+			return
+
+		else
+
+			player:hud_change(hud[name].id, "text", hud_text)
+		end
+	end
+end)
+
+minetest.register_on_leaveplayer(function(player)
+	hud[player:get_player_name()] = nil
+end)
+
diff --git a/init.lua b/init.lua
index 7f7da54..2ecb31b 100644
--- a/init.lua
+++ b/init.lua
@@ -624,6 +624,7 @@ dofile(path .. "/doors_chest.lua")
 dofile(path .. "/pvp.lua")
 dofile(path .. "/admin.lua")
 dofile(path .. "/tool.lua")
+dofile(path .. "/hud.lua")
 dofile(path .. "/lucky_block.lua")