From 0c20a1b616fb1bc72e6db9fad061b12ee044602a Mon Sep 17 00:00:00 2001
From: ShadowNinja <noreply@gmail.com>
Date: Thu, 26 Sep 2013 10:30:36 -0400
Subject: [PATCH] Show area owners on the hud (inspired by landrush)

---
 README.md        |  3 ---
 chatcommands.lua | 23 -----------------------
 hud.lua          | 38 ++++++++++++++++++++++++++++++++++++++
 init.lua         |  1 +
 4 files changed, 39 insertions(+), 26 deletions(-)
 create mode 100644 hud.lua

diff --git a/README.md b/README.md
index 3c31433..44fcd40 100644
--- a/README.md
+++ b/README.md
@@ -67,9 +67,6 @@ Chat commands
 	For example:
 	/find_areas [Cc]astle To find castles.
 
- * /list\_owners
-	Lists the owners of your position.
-
  * /remove\_area &lt;ID&gt;
 	Removes a area that you own. Any sub-areas of that area are made sub-areas
 	of the removed area's parent, if it exists. Otherwise they will have no
diff --git a/chatcommands.lua b/chatcommands.lua
index 341e70c..b1dcfd8 100644
--- a/chatcommands.lua
+++ b/chatcommands.lua
@@ -169,29 +169,6 @@ minetest.register_chatcommand("rename_area", {
 end})
 
 
-minetest.register_chatcommand("list_owners", {
-	params = "",
-	description = "List the owners of your position",
-	privs = {},
-	func = function(name, param)
-		local player = minetest.get_player_by_name(name)
-		if not player then
-			minetest.chat_send_player(name,
-					"Unable to find your position.")
-			return
-		end
-		local pos = vector.round(player:getpos())
-		local owners = areas:getNodeOwners(pos)
-		if #owners > 0 then
-			minetest.chat_send_player(name,
-					"Owners: "..table.concat(owners, ", "))
-		else
-			minetest.chat_send_player(name,
-					"Your position is unowned.")
-		end
-end})
-
-
 minetest.register_chatcommand("find_areas", {
 	params = "<regexp>",
 	description = "Find areas using a Lua regular expression",
diff --git a/hud.lua b/hud.lua
new file mode 100644
index 0000000..d7eea0d
--- /dev/null
+++ b/hud.lua
@@ -0,0 +1,38 @@
+-- This is inspired by the landrush mod by Bremaweb
+
+areas.hud = {}
+
+minetest.register_globalstep(function(dtime)
+	for _, player in pairs(minetest.get_connected_players()) do
+		local name = player:get_player_name()
+		local pos = vector.round(player:getpos())
+		local owners = areas:getNodeOwners(pos)
+		local ownerString = table.concat(owners, ", ")
+		if not areas.hud[name] then
+			areas.hud[name] = {}
+			areas.hud[name].ownersId = player:hud_add({
+				hud_elem_type = "text",
+				name = "AreaOwners",
+				number = 0xFFFFFF,
+				position = {x=0, y=1},
+				offset = {x=5, y=-40},
+				direction = 0,
+				text = "Area owners: "..ownerString,
+				scale = {x=200, y=40},
+				alignment = {x=1, y=1},
+			})
+			areas.hud[name].oldOwners = ownerString
+			return
+		end
+		if areas.hud[name].oldOwners ~= ownerString then
+			player:hud_change(areas.hud[name].ownersId, "text",
+					"Area owners: "..ownerString)
+			areas.hud[name].oldOwners = ownerString
+		end
+	end
+end)
+
+minetest.register_on_leaveplayer(function(player)
+	areas.hud[player:get_player_name()] = nil
+end)
+
diff --git a/init.lua b/init.lua
index 1db410f..d3ffd74 100644
--- a/init.lua
+++ b/init.lua
@@ -14,6 +14,7 @@ dofile(areas.modpath.."/chatcommands.lua")
 dofile(areas.modpath.."/pos.lua")
 dofile(areas.modpath.."/interact.lua")
 dofile(areas.modpath.."/legacy.lua")
+dofile(areas.modpath.."/hud.lua")
 
 areas:load()