Add mapfix mod and some other things

mods/game/dungeons.lua

@@ -36,10 +36,12 @@ function game.start_dungeon(name, level)
 		game.dungeons = game.dungeons + 1
 		game.partyid = game.partyid + 1
 
-		for _, pname in ipairs(name) do
+		for pname in pairs(name) do
 			local player = minetest.get_player_by_name(pname)
 			local meta = player:get_meta()
+
 			player:set_pos(spawnpos)
+			minetest.chat_send_player(pname, "You are now in "..game.registered_dungeons[dname].description)
 			meta:set_string("location", "dungeon");
 			game.party[pname] = game.partyid
 			game.parties[game.partyid] = {[pname] = 1}
@@ -52,6 +54,7 @@ end
 function game.place_dungeon(name, pos)
 	for n, def in pairs(game.registered_dungeons) do
 		if n == name then
+			minetest.emerge_area(pos, vector.add(pos, def.size))
 			minetest.place_schematic(pos, def.path, def.rot, nil, true, nil)
 			return "Dungeon placed"
 		end

mods/map/init.lua

@@ -2,9 +2,11 @@ map = {}
 
 function map.place_lobby()
 	minetest.log("Placing lobby...")
+	local pos = {x = 0, y = 0, z = 0}
 
 	local path = minetest.get_modpath("map") .. "/schematics/lobby.mts"
-	minetest.place_schematic({x = 0, y = 0, z = 0}, path, "0", nil, true)
+	minetest.emerge_area(pos, vector.add(pos, 250))
+	minetest.place_schematic(pos, path, "0", nil, true)
 
 	minetest.log("Done placing lobby...")
 

mods/mapfix/LICENSE

@@ -0,0 +1,4 @@
+GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+See http://www.gnu.org/licenses/gpl-3.0.en.html

mods/mapfix/README.md

@@ -0,0 +1,13 @@
+# 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 24) : size used when omitted
+* mapfix_max_size (by default 32) : maximum size allowed for players
+* mapfix_delay (by default 15) : minimal delay in seconds between 2 `/mapfix` (to avoid server freezing)

mods/mapfix/description.txt

@@ -0,0 +1 @@
+Fix some map errors (flow and light problems)

mods/mapfix/init.lua

@@ -0,0 +1,51 @@
+local function mapfix(minp, maxp)
+	local vm = minetest.get_voxel_manip(minp, maxp)
+	vm:update_liquids()
+	vm:write_to_map()
+	vm:update_map()
+	local emin, emax = vm:get_emerged_area()
+	print(minetest.pos_to_string(emin), minetest.pos_to_string(emax))
+end
+
+local previous = os.time()
+
+local default_size = tonumber(minetest.settings:get("mapfix_default_size")) or 100
+local max_size = tonumber(minetest.settings:get("mapfix_max_size")) or 100
+local delay = tonumber(minetest.settings: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 = vector.round(minetest.get_player_by_name(name):getpos())
+		local size = tonumber(param) or default_size
+
+		if size >= 121 then
+			return false, "Radius is too big"
+		end
+		local privs = minetest.check_player_privs(name, {server=true})
+		local time = os.time()
+
+		if not privs then
+			if size > max_size then
+				return false, "You need the server privilege to exceed the radius of " .. max_size .. " blocks"
+			elseif time - previous < delay then
+				return false, "Wait at least " .. delay .. " seconds from the previous \"/mapfix\"."
+			end
+			previous = time
+		end
+
+		minetest.log("action", name .. " uses mapfix at " .. minetest.pos_to_string(vector.round(pos)) ..
+		" with radius ".. size)
+
+		size = math.max(math.floor(size - 8), 0) -- When passed to get_voxel_manip, positions are rounded up, to a
+		--multiple of 16 nodes in each direction. By subtracting 8 it's rounded to the nearest chunk border. max is
+		--used to avoid negative radius.
+
+		local minp = vector.subtract(pos, size)
+		local maxp = vector.add(pos, size)
+
+		mapfix(minp, maxp)
+		return true, "Done."
+	end,
+})

mods/mapfix/mod.conf

@@ -0,0 +1 @@
+name = mapfix