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local enet = require"enet"
local json = require"common.dkjson"
local SERVER_HOSTNAME = "ubq323.website"
if os.getenv"HEXEMU_LOCAL" then SERVER_HOSTNAME = "localhost" end
local PLAYER_SIZE = 0.7
local local_player = nil
local drawing = require"drawing"
local coords = require"common.coords"
local Pos = coords.Pos
local camera = require"camera".Camera:make()
local Chunk = require"common.chunk".Chunk
local util = require"util"
local Map = require"common.map".Map
-- local pprint=require"common.pprint"
-- pprint.setup{show_all=true}
math.randomseed(os.time())
local map = Map:make()
local host,peer
_G.debugmode = false
function love.keypressed(key,scancode,isrepeat)
if scancode == "f3" then _G.debugmode = not _G.debugmode end
end
local function draw_player(pl,islocal)
local hplsz = PLAYER_SIZE/2
love.graphics.setColor(pl.color)
love.graphics.rectangle("fill",pl.pos.x-hplsz,pl.pos.y-hplsz,PLAYER_SIZE,PLAYER_SIZE)
-- love.graphics.print(tostring(pl.id),pl.pos.x,pl.pos.y)
if islocal then
love.graphics.setLineWidth(0.01)
love.graphics.setColor(0.5,0,0)
love.graphics.rectangle("line",pl.pos.x-hplsz,pl.pos.y-hplsz,PLAYER_SIZE,PLAYER_SIZE)
end
end
local remote_players = {}
local function update_local_player(pl,dt)
local SPEED = 10 -- units/sec
if love.keyboard.isScancodeDown("lshift") then SPEED = 100 end
local function kd(code)
if love.keyboard.isScancodeDown(code) then return 1 else return 0 end
end
local dx = kd"d"-kd"a"
local dy = kd"s"-kd"w"
if dx == 0 and dy == 0 then
pl.pos_dirty = false
return
end
if dx ~= 0 and dy ~= 0 then
dx = dx * 0.5
dy = dy * (math.sqrt(3)/2)
end
pl.pos.x = pl.pos.x + SPEED * dt * dx
pl.pos.y = pl.pos.y + SPEED * dt * dy
pl.pos_dirty = true
end
local function sync_local_player(pl)
-- send updated info about local player to server
if pl.pos_dirty then
peer:send(json.encode{t="ppos",x=pl.pos.x,y=pl.pos.y})
end
end
local function send_settile(hpos,tile)
peer:send(json.encode{t="settile",q=hpos.q,r=hpos.r,tile=tile})
end
function love.update(dt)
if local_player then
update_local_player(local_player,dt)
if love.keyboard.isScancodeDown"q" then camera.zoom = camera.zoom*1.05 end
if love.keyboard.isScancodeDown"e" then camera.zoom = camera.zoom/1.05 end
camera.zoom = math.max(1,math.min(50,camera.zoom))
sync_local_player(local_player)
end
local mh = camera:screen_to_world(Pos:make(love.mouse.getPosition())):to_hex():round()
if false== map:at(mh) and love.mouse.isDown(1) then
print("place at",mh)
map:set_at(mh,true)
-- print(mh,true)
send_settile(mh,true)
elseif map:at(mh) and love.mouse.isDown(2) then
map:set_at(mh,false)
-- print(mh,false)
send_settile(mh,false)
end
if local_player then
local player_cp = local_player.pos:to_hex():containing_chunk()
-- load chunks near to player (within 3x3 square)
for _,cp in ipairs(player_cp:neighborhood()) do
if map:chunk(cp) == nil then
map:mark_chunk_loading(cp)
peer:send(json.encode{t="reqchunk",u=cp.u,v=cp.v})
end
end
-- unload chunks not near player
-- todo maybe: instead of immediately unloading chunks when we move away,
-- have some kind of 'last near' time, so that if player is moving back and forth,
-- we don't repeatedly unload and reload a given chunk
local to_remove = {}
for cp in map:iter_chunks() do
local d = player_cp:orth_dist(cp)
if d > 1 then
map:remove_chunk(cp)
end
end
end
repeat
local ev = host:service()
if ev and ev.type == "receive" then
-- print(ev.data)
local j = json.decode(ev.data)
local op = j.t
if op == "join" then
local pl = j.pl
remote_players[pl.id] = {pos=coords.Pos:make(pl.x,pl.y),color=pl.color,id=pl.id}
elseif op == "leave" then
local id = j.id
remote_players[id]=nil
elseif op == "move" then
local id,x,y = j.id,j.x,j.y
assert(remote_players[id],"wheeze "..id)
remote_players[id].pos.x = x
remote_players[id].pos.y = y
elseif op == "you" then
local pl = j.pl
local_player = {pos=coords.Pos:make(pl.x,pl.y),color=pl.color,id=pl.id}
elseif op == "chunk" then
local ch = Chunk:from_packet_data(j)
map:add_chunk(ch)
elseif op == "settile" then
local h = coords.Hex:make(j.q,j.r)
map:set_at(h,j.tile)
end
end
until not ev
end
function love.draw()
love.graphics.clear(1,1,1)
love.graphics.origin()
if local_player then
camera.pos = local_player.pos
end
camera:apply_trans()
drawing.draw_map(camera,map)
if local_player then
draw_player(local_player,true)
end
for _,pl in pairs(remote_players) do
draw_player(pl)
end
love.graphics.setColor(1,0,0)
love.graphics.rectangle("fill",0,0,1,1)
local sm = Pos:make(love.mouse.getPosition())
local wm = camera:screen_to_world(sm)
local hm = wm:to_hex()
love.graphics.origin()
if _G.debugmode and local_player then
util.print_good({
"ms "..tostring(sm),
"mw "..tostring(wm),
"mh "..tostring(hm).." "..tostring(hm:round()),
"-",
"pw "..tostring(local_player.pos),
"ph "..tostring(local_player.pos:to_hex()).." "..tostring(local_player.pos:to_hex():round()),
"-",
"voob "..tostring(camera.zoom),
"-",
"fps "..tostring(love.timer.getFPS()),
},10,10)
end
end
function love.load()
require"profile".start(10,io.open("./trace","w"))
host = enet.host_create()
peer = host:connect(SERVER_HOSTNAME..":8473")
end
function love.quit()
require"profile".stop()
peer:disconnect()
host:flush()
end
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