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|
#lang rhombus/static
import:
"chunk.rhm" open
"entity.rhm" open
"item.rhm" open
"../thread/thread.rhm" open
export:
all_defined
class MessageLogin(user :: String, thr)
class MessageLoginResponse(user_id :: Int):
// TODO can I automate this?
method to_map() :: Map:
{"user_id": user_id}
class MessageGetChunks(user_id :: Int, thr)
class MessageGetChunksResponse(chunk :: Chunk):
method to_map() :: Map:
chunk.to_map()
class World(chunks :: MutableList.now_of(Chunk),
entities :: MutableMap.now_of(Int, Entity)):
field thread_evt = thread_receive_evt()
field tick_length = 0.6 // tick length is 600ms
// TODO this should really go to some user DB
field user_id = 100
constructor():
super(MutableList(), MutableMap())
method init():
let chunk = Chunk(64, 64, 0, 0)
chunks.add(chunk)
method login(user :: String, thr):
// TODO should be accessing some DB to get player and it should
// return some session token that the client would use when refering
// to the player
let player = EntityPlayer(user_id, 0, 0, chunks[0])
player.equip[Slot.right_hand] := Item.bronze_axe
entities[user_id] := player
let resp = MessageLoginResponse(user_id)
user_id := user_id + 1
thread_send(thr, resp)
method get_chunk(user_id :: Int, thr):
// TODO there should be a session token to user entity system
let player :: Entity = entities[user_id]
let chunk = player.current_chunk
let resp = MessageGetChunksResponse(chunk)
thread_send(thr, resp)
method process_messages(timestamp :: Real):
let time_passed = current_timestamp() - timestamp
let remaining_time = math.max(tick_length - time_passed, 0)
let sync_res = sync_timeout(remaining_time, thread_evt)
if sync_res
| let msg = thread_receive()
match msg
| MessageLogin(user, thr): login(user, thr)
| MessageGetChunks(user_id, thr): get_chunk(user_id, thr)
| ~else: println("Unknown message " +& msg)
process_messages(timestamp)
| #true // Return here
method tick_loop():
// TODO step through entities and simulate them
let starting_time = current_timestamp()
process_messages(starting_time)
println("Done tick")
tick_loop()
method simulate():
tick_loop()
|
