1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
local enet = require"enet"
local words = require"common.words"
local SERVER_HOSTNAME = "ubq323.website"
-- local SERVER_HOSTNAME = "localhost"
local PLAYER_SIZE = 0.7
local local_player = nil
local drawing = require"drawing"
local coords = require"common.coords"
local camera = require"camera".Camera.make()
-- local pprint=require"common.pprint"
-- pprint.setup{show_all=true}
math.randomseed(os.time())
local host,peer
local chunk = require"common.chunk".Chunk.make()
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 -- pixels/sec
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 / math.sqrt(2)
dy = dy / math.sqrt(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,peer)
-- send updated info about local player to server
if pl.pos_dirty then
peer:send(words.join("ppos",pl.pos.x,pl.pos.y))
end
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
sync_local_player(local_player,peer)
end
repeat
local ev = host:service()
if ev and ev.type == "receive" then
local w = words.split(ev.data)
local op = w[1]
if op == "join" then
local id,x,y,r,g,b = unpack(w,2)
-- blegh
id=tonumber(id)
x=tonumber(x)
y=tonumber(y)
r=tonumber(r)
g=tonumber(g)
b=tonumber(b)
remote_players[id] = {pos=coords.Pos.make(x,y),color={r,g,b},id=id}
elseif op == "leave" then
local id = tonumber(w[2])
remote_players[id]=nil
elseif op == "move" then
local id,x,y = unpack(w,2)
id=tonumber(id)
x=tonumber(x)
y=tonumber(y)
assert(remote_players[id],"wheeze")
remote_players[id].pos.x = x
remote_players[id].pos.y = y
elseif op == "you" then
local id,x,y,r,g,b = unpack(w,2)
id=tonumber(id)
x=tonumber(x)
y=tonumber(y)
r=tonumber(r)
g=tonumber(g)
b=tonumber(b)
local_player = {pos=coords.Pos.make(x,y),color={r,g,b},id=id}
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_chunk(chunk)
if local_player then
draw_player(local_player,true)
end
for _,pl in pairs(remote_players) do
draw_player(pl)
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()
peer:disconnect()
host:flush()
end
|
