use lmdb for world storage; plus other small things

support numpad 8456 for movement in addition to wasd
refactor server and add player module
update outdated documentation slightly

1 files changed, 15 insertions, 0 deletions

diff --git a/server/db.lua b/server/db.lua
new file mode 100644
index 0000000..4208aeb
--- /dev/null
+++ b/server/db.lua
@@ -0,0 +1,15 @@
+local lmdb = require'lmdb'
+local env = lmdb.open('data',{maxdbs=16})
+local function get_db(dbname, writeable)
+	-- shortcut
+	if writeable == nil then writeable = false end
+	local txn = assert(env:txn_begin(writeable),"couldn't begin txn")
+	local the_db = assert(txn:open(dbname), "couldn't open db")
+	return txn,the_db
+end
+
+	
+return {
+	env=env,
+	get_db=get_db,
+}