Improve mapgen, add grass, and include the fill tool.

mods/rgt_origins/init.lua

@@ -0,0 +1,57 @@
+local ns = rgt
+
+ns.origins = {}
+
+local db = minetest.get_mod_storage()
+
+--[[
+    {
+        name = "human", -- The name of this origin.
+        label = "Human", -- The user-facing name.
+        base_hp = 20, -- The base HP of this origin.
+        properties = {...}, -- Object properties overridden by this origin.
+        abilities = {
+            
+        },
+        on_apply = function(m) end, -- Called when this origin is first applied to a player.
+        on_join = function(m) end, -- Called when a player with this origin joins.
+        on_leave = function(m) end, -- Called when a player with this origin leaves.
+        tick = function(m) end, -- Called every globalstep for each player that has this origin.
+    }
+--]]
+function ns.register_origin(def)
+    ns.origins[def.name] = def
+end
+
+include_all "origins"
+
+
+local REALM_START = 30500
+local REALM_END = 31000
+
+rgt_realms.register_realm {
+    name = "startroom",
+    label = "Start Room",
+    min = vector.new(-100, REALM_START, -100),
+    max = vector.new(100, REALM_END, 100),
+    sky = {
+        type = "plain",
+        base_color = "#000",
+--        fog = {
+--            fog_distance = 20,
+--            fog_start = 0.3,
+--            fog_color = "#aab"
+--        }
+    }
+}
+
+if not db:contains "initialized" then
+    minetest.after(0, function()
+        local pos = vector.new(0, REALM_START +100, 0)
+        minetest.emerge_area(pos, pos, function()
+            say(pos:to_string())
+            minetest.set_node(pos, {name = "stone"})
+        end)
+        db:set_string("initialized", "true")
+    end)
+end