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
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
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(2.5,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
|
