Updated mapfix's README

- Solves part of #117

mods/mapfix/README.md

@@ -1,4 +1,13 @@
-mapfix
-======
+#mapfix
 
 Fix some map errors (flow and light problems)
+
+![Before](http://i.imgur.com/T3csYME.png)
+![After](http://i.imgur.com/d0V0aO7.png)
+Look at the water and the jungle trunk at the center.
+
+
+##minetest.conf settings
+* mapfix_default_size (by default 40) : size used when omitted
+* mapfix_max_size (by default 50) : maximum size allowed for players
+* mapfix_delay (by default 15) : minimal delay in seconds between 2 "/mapfix" (to avoid server freezing)

mods/mapfix/init.lua

@@ -1,39 +1,39 @@
-local function mapfix(minp, maxp)
-	local vm = minetest.get_voxel_manip(minp, maxp)
-	vm:update_liquids()
-	vm:write_to_map()
-	vm:update_map()
-end
-
-local previous = -math.huge
-
-local default_size = tonumber(minetest.setting_get("mapfix_default_size")) or 40
-local max_size = tonumber(minetest.setting_get("mapfix_max_size")) or 50
-local delay = tonumber(minetest.setting_get("mapfix_delay")) or 15
-
-minetest.register_chatcommand("mapfix", {
-	params = "<size>",
-	description = "Recalculate the flowing liquids and the light of a chunk",
-	func = function(name, param)
-		local pos = minetest.get_player_by_name(name):getpos()
-		local size = tonumber(param) or 40
-		local privs = minetest.check_player_privs(name, {server=true})
-		local time = os.clock()
-
-		if not privs then
-			if size > 50 and not privs then
-				return false, "You need the server privilege to exceed the radius of " .. max_size .. " blocks"
-			elseif time - previous < 15 then
-				return false, "Wait at least " .. delay .. " seconds from the previous \"/mapfix\"."
-			end
-			previous = time
-		end
-
-		local minp = vector.round(vector.subtract(pos, size - 0.5))
-		local maxp = vector.round(vector.add(pos, size + 0.5))
-
-		minetest.log("action", name .. " uses mapfix at " .. minetest.pos_to_string(vector.round(pos)) .. " with radius " .. size)
-		mapfix(minp, maxp)
-		return true, "Done."
-	end,
-})
+local function mapfix(minp, maxp)
+	local vm = minetest.get_voxel_manip(minp, maxp)
+	vm:update_liquids()
+	vm:write_to_map()
+	vm:update_map()
+end
+
+local previous = -math.huge
+
+local default_size = tonumber(minetest.setting_get("mapfix_default_size")) or 40
+local max_size = tonumber(minetest.setting_get("mapfix_max_size")) or 50
+local delay = tonumber(minetest.setting_get("mapfix_delay")) or 15
+
+minetest.register_chatcommand("mapfix", {
+	params = "<size>",
+	description = "Recalculate the flowing liquids and the light of a chunk",
+	func = function(name, param)
+		local pos = minetest.get_player_by_name(name):getpos()
+		local size = tonumber(param) or 40
+		local privs = minetest.check_player_privs(name, {server=true})
+		local time = os.clock()
+
+		if not privs then
+			if size > 50 and not privs then
+				return false, "You need the server privilege to exceed the radius of " .. max_size .. " blocks"
+			elseif time - previous < 15 then
+				return false, "Wait at least " .. delay .. " seconds from the previous \"/mapfix\"."
+			end
+			previous = time
+		end
+
+		local minp = vector.round(vector.subtract(pos, size - 0.5))
+		local maxp = vector.round(vector.add(pos, size + 0.5))
+
+		minetest.log("action", name .. " uses mapfix at " .. minetest.pos_to_string(vector.round(pos)) .. " with radius " .. size)
+		mapfix(minp, maxp)
+		return true, "Done."
+	end,
+})