make arena mode more intuitive

arena.lua

@@ -32,6 +32,18 @@ function creative_regions.drop_everything(player, drop_bones)
 end
 
 minetest.register_on_dieplayer(function(player)
+--	minetest.chat_send_all(player:get_player_name().." lost.")
+	local player_name = player:get_player_name()
+	if minetest.check_player_privs(player_name, {arena=true}) then
+		creative_regions.drop_everything(player, true)
+		local privs = minetest.get_player_privs(player_name)
+		privs["arena"] = nil
+		minetest.set_player_privs(player_name, privs)
+	end
+end)
+
+minetest.register_on_leaveplayer(function(player)
+--	minetest.chat_send_all(player:get_player_name().." has left this awesome game.")
 	local player_name = player:get_player_name()
 	if minetest.check_player_privs(player_name, {arena=true}) then
 		creative_regions.drop_everything(player, true)

init.lua

@@ -91,6 +91,7 @@ function creative_regions:update_player(player)
 	-- overwrite
 	if areas_owner or areas_open then
 		creative_regions:add_privs_from_string(new_privs_table, areas_owner_privs)
+		creative_regions:add_privs_from_string(new_privs_table, "-arena")
 	end
 
 	-- did the regions change? update

items.lua

@@ -17,12 +17,19 @@ if minetest.get_modpath("areas") then
 		end
 
 		if player_owns_id then
+			if creative_regions.region_privs[player_owns_id] then
+				minetest.chat_send_player(name, "[creative_regions] Failed. Privileges for area already set.")
+				minetest.after(0.2, function(pos)
+					minetest.remove_node(pos)
+				end, pos)
+				return
+			end
 			meta:set_string("infotext", string.format(description.." for area %s owned by %s", player_owns_id, name))
 			meta:set_string("area_id", player_owns_id)
 			meta:set_string("privstring", privstring)
 			meta:set_string("owner", name)
 
-			creative_regions.add_region_privs(tostring(player_owns_id), privstring)
+			creative_regions.set_region_privs(tostring(player_owns_id), privstring)
 			minetest.chat_send_player(name, "[creative_regions] "..description.." set for region " .. player_owns_id)
 			creative_regions.save_regions()
 		else
@@ -30,6 +37,7 @@ if minetest.get_modpath("areas") then
 			minetest.after(0.2, function(pos)
 				minetest.remove_node(pos)
 			end, pos)
+			return
 		end
 
 	end
@@ -60,6 +68,8 @@ if minetest.get_modpath("areas") then
 
 		if player_owns_id then
 			return true
+		elseif owner == name then
+			return true
 		else
 			minetest.chat_send_player(name, "[creative_regions] Cannot remove protector block for area "..id.." owned by "..owner)
 			return false
@@ -79,13 +89,12 @@ if minetest.get_modpath("areas") then
 		local current_areas = areas:getAreasAtPos(pos)
 		for areas_id, areas_area in pairs( current_areas ) do
 			local id = "a"..tostring(areas_id)
-			if stored_id == id then
-				local success = creative_regions.strip_region_privs(tostring(id), privstring)
+			if stored_id == id and privstring == creative_regions.region_privs[tostring(id)] then
+				creative_regions.set_region_privs(id, nil)
 				minetest.chat_send_player(name, "[creative_regions] "..description.." removed for area " .. id)
-				if not success then
-					minetest.chat_send_player(name, "[creative_regions] Failed to remove privileges!")
-				end
 				creative_regions.save_regions()
+			else
+				minetest.chat_send_player(name, "[creative_regions] Failed to remove privileges!")
 			end
 		end
 

region.lua

@@ -36,7 +36,7 @@ function creative_regions.set_region_privs(id, privs_string)
 	creative_regions.region_privs[tostring(id)] = privs_string
 end
 
-function creative_regions.add_region_privs(id, privs_string)
+--[[function creative_regions.add_region_privs(id, privs_string)
 	local region_privs = creative_regions.region_privs[tostring(id)]
 	if not region_privs or region_privs == '' then
 		creative_regions.region_privs[tostring(id)] = privs_string
@@ -69,7 +69,7 @@ function creative_regions.strip_region_privs(id, privs_string)
 		creative_regions.region_privs[tostring(id)] = new_region_privs
 		return true
 	end
-end
+end--]]
 
 function creative_regions:decode_privs_table(privs_table)
 	local privs_grant = {}