Down the water, tweak the u-boots, exclude nodes

- Dungeon masters cannot destroy nodes in excluded table neither nodes of
  group unbreakable, neither nether's nodes.
- Tweak of a global variable in seawrecks (aka. choosen_ingot)
- Highlandpools create real lakes now, and not water flower over the
  floor.

minetestforfun_game/mods/highlandpools/init.lua

@@ -86,7 +86,7 @@ minetest.register_on_generated(function(minp, maxp, seed)
 			elseif c_node == c_watsour then
 				break
 			elseif c_node == c_grass then
-				yasurf = y + 1
+				yasurf = y --+ 1
 				break
 			end
 		end
@@ -160,36 +160,48 @@ minetest.register_on_generated(function(minp, maxp, seed)
 								local viw = area:index(x - 1, yasurf, z)
 								local vin = area:index(x, yasurf, z + 1)
 								local vis = area:index(x, yasurf, z - 1)
+								local vied = area:index(x + 1, yasurf-1, z)
+								local viwd = area:index(x - 1, yasurf-1, z)
+								local vind = area:index(x, yasurf-1, z + 1)
+								local visd = area:index(x, yasurf-1, z - 1)
 								if data[vie] == c_tree then
 									highlandpools_remtree(x + 1, yasurf, z, area, data)
+									print("w at ".. x+1 ..","..yasurf..","..z)
 									data[vie] = c_watsour
 								elseif data[vie] == c_air
 								or data[vie] == c_apple
 								or data[vie] == c_leaves then
+									print("w at ".. x+1 ..","..yasurf..","..z)
 									data[vie] = c_watsour
 								end
 								if data[viw] == c_tree then
 									highlandpools_remtree(x - 1, yasurf, z, area, data)
+									print("w at ".. x-1 ..","..yasurf..","..z)
 									data[viw] = c_watsour
 								elseif data[viw] == c_air
 								or data[viw] == c_apple
 								or data[viw] == c_leaves then
+									print("w at ".. x-1 ..","..yasurf..","..z)
 									data[viw] = c_watsour
 								end
 								if data[vin] == c_tree then
 									highlandpools_remtree(x, yasurf, z + 1, area, data)
+									print("w at "..x..","..yasurf..","..z+1)
 									data[vin] = c_watsour
 								elseif data[vin] == c_air
 								or data[vin] == c_apple
 								or data[vin] == c_leaves then
+									print("w at "..x..","..yasurf..","..z+1)
 									data[vin] = c_watsour
 								end
 								if data[vis] == c_tree then
 									highlandpools_remtree(x, yasurf, z - 1, area, data)
-									data[vis] = c_watsour
+									print("w at "..x..","..yasurf..","..z-1)
+									data[visd] = c_watsour
 								elseif data[vis] == c_air
 								or data[vis] == c_apple
 								or data[vis] == c_leaves then
+									print("w at "..x..","..yasurf..","..z-1)
 									data[vis] = c_watsour
 								end
 							end

mods/mobs/dungeonmaster.lua

@@ -1,6 +1,11 @@
 
 -- Dungeon Master (This one spits out fireballs at you)
 
+-- Node which cannot be destroyed by DungeonMasters' fireballs
+local excluded = {"nether:netherrack","default:obsidian_glass","maptools:cobble",
+			"maptools:sand", "maptools:desert_sand"
+	}
+
 mobs:register_mob("mobs:dungeon_master", {
 	type = "monster",
 	hp_min = 50,
@@ -102,7 +107,13 @@ mobs:register_arrow("mobs:fireball", {
 				for dz=-1,1 do
 					local p = {x=pos.x+dx, y=pos.y+dy, z=pos.z+dz}
 					local n = minetest.get_node(p).name
-					if p.y < -19600 and n ~= "nether:netherrack" and n:split(":")[1] == "nether" then
+					local including = minetest.registered_nodes[n].groups["unbreakable"] ~= nil
+					for _,i in ipairs(excluded) do
+						if i == n then including = false end
+					end
+					
+					--if p.y < -19600 and including and n:split(":")[1] == "nether" then
+					if including then
 						return
 					end
 					if n ~= "default:obsidian" and n ~= "ethereal:obsidian_brick" then	

mods/sea/seawrecks/init.lua

@@ -99,7 +99,7 @@ minetest.register_node("seawrecks:ubootchest", {
     local amount_of_price = math.floor(math.random()*20)+1
     local ingot_price = {"default:steel_ingot","default:copper_ingot","default:gold_ingot","moreores:tin_ingot","moreores:silver_ingot"}
     local price_group = {"",""}
-    choosen_ingot = math.floor(math.random()*10)+1
+    local choosen_ingot = math.floor(math.random()*10)+1
     price_group[1] = ingot_price[choosen_ingot].." "..amount_of_price
     if (kind_of_price == 0) then -- Ingots AND mese
       price_group[2] = "default:mese_crystal "..math.floor(math.random()*6)+1