Make the origin of the map configurable. The strength of mobs and such will be based on this value instead of 0,0,0

mods/adventuretest/init.lua

@@ -1,4 +1,11 @@
 -- VARIOUS MISC ADVENTURETEST RELATED STUFF
 
+game_origin = nil
+if minetest.setting_get("game_origin") ~= nil then
+	game_origin = minetest.string_to_pos(minetest.setting_get("game_origin"))
+else
+	game_origin = {x=0,y=0,z=0}
+end
+
 dofile(minetest.get_modpath("adventuretest").."/register_functions.lua");
 dofile(minetest.get_modpath("adventuretest").."/privs.lua")

mods/default/nodes.lua

@@ -1462,6 +1462,27 @@ minetest.register_node("default:dry_shrub", {
 	},
 })
 
+minetest.register_node("default:dry_shrub2", {
+	description = "Dry Shrub",
+	drawtype = "plantlike",
+	visual_scale = 1.0,
+	tiles = {"default_dry_shrub2.png"},
+	inventory_image = "default_dry_shrub2.png",
+	wield_image = "default_dry_shrub2.png",
+	paramtype = "light",
+	waving = 1,
+	walkable = false,
+	is_ground_content = true,
+	buildable_to = true,
+	groups = {snappy=3,flammable=3,attached_node=1},
+	sounds = default.node_sound_leaves_defaults(),
+	selection_box = {
+		type = "fixed",
+		fixed = {-0.5, -0.5, -0.5, 0.5, -5/16, 0.5},
+	},
+})
+
+
 minetest.register_node("default:grass_1", {
 	description = "Grass",
 	drawtype = "plantlike",

mods/mobs/api.lua

@@ -257,7 +257,7 @@ function mobs:register_mob(name, def)
 		on_activate = function(self, staticdata, dtime_s)
 			-- reset HP
 			local pos = self.object:getpos()
-			local distance_rating = ( ( get_distance({x=0,y=0,z=0},pos) ) / 20000 )	
+			local distance_rating = ( ( get_distance(game_origin,pos) ) / 20000 )	
 			local newHP = self.hp_min + math.floor( self.hp_max * distance_rating )
 			self.object:set_hp( newHP )
 
@@ -323,7 +323,7 @@ function mobs:register_mob(name, def)
 					end
 					if minetest.get_modpath("skills") and minetest.get_modpath("experience") then
 						-- DROP experience
-						local distance_rating = ( ( get_distance({x=0,y=0,z=0},pos) ) / ( skills.get_player_level(hitter:get_player_name()).level * 1000 ) )
+						local distance_rating = ( ( get_distance(game_origin,pos) ) / ( skills.get_player_level(hitter:get_player_name()).level * 1000 ) )
 						local emax = math.floor( self.exp_min + ( distance_rating * self.exp_max ) )
 						local expGained = math.random(self.exp_min, emax)
 						skills.add_exp(hitter:get_player_name(),expGained)
@@ -496,7 +496,7 @@ function mobs:spawn_mob(pos,name)
 	local mob = minetest.add_entity(pos, name)
 	
 	-- setup the hp, armor, drops, etc... for this specific mob
-	local distance_rating = ( ( get_distance({x=0,y=0,z=0},pos) ) / 15000 )	
+	local distance_rating = ( ( get_distance(game_origin,pos) ) / 15000 )	
 	if mob ~= nil then		
 		mob = mob:get_luaentity()
 		if mob ~= nil then

mods/mobs/spawner.lua

@@ -138,7 +138,7 @@ local numNPCs = math.random(0,1)
 					minetest.log("action","Spawning "..barbarian.." at "..minetest.pos_to_string(npos))
 					local mob = minetest.add_entity(npos, barbarian)
 					if mob then
-						local distance_rating = ( ( get_distance({x=0,y=0,z=0},npos) ) / 15000 )
+						local distance_rating = ( ( get_distance(game_origin,npos) ) / 15000 )
 						mob = mob:get_luaentity()
 						local newHP = mob.hp_min + math.floor( mob.hp_max * distance_rating )
 						mob.object:set_hp( newHP )

mods/quests/treasure.lua

@@ -213,7 +213,7 @@ quests.treasure.place_treasure = function (pos,minp,maxp)
 end
 
 quests.treasure.set_inventory = function (pos)
-	local distance = default.get_distance({x=0,y=0,z=0},{x=pos.x,y=0,z=pos.z})
+	local distance = default.get_distance(game_origin,{x=pos.x,y=0,z=pos.z})
 	local treasure_level = math.floor( distance / 5000 )
 	if treasure_level == 0 then treasure_level = 1 end
 	local meta = minetest.get_meta(pos)