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-rw-r--r--server/server.lua31
1 files changed, 25 insertions, 6 deletions
diff --git a/server/server.lua b/server/server.lua
index cc9903e..88f4efe 100644
--- a/server/server.lua
+++ b/server/server.lua
@@ -3,6 +3,7 @@ local json = require"common.dkjson"
local chunk = require"common.chunk"
local noise = require"noise"
local coords = require"common.coords"
+local Pos = coords.Pos
local worldgen = require"worldgen"
local MapS = require"map".MapS
local posix_time = require"posix.time"
@@ -34,7 +35,7 @@ local function random_color()
return {math.random(),math.random(),math.random()}
end
local function make_player(peer)
- local p = {pos={0,0},color=random_color(),peer=peer,id=nextid}
+ local p = {pos=Pos:make(0,0),color=random_color(),peer=peer,id=nextid}
nextid = nextid + 1
return p
end
@@ -42,8 +43,8 @@ end
local function player_info_part(player)
return {
id=player.id,
- x=player.pos[1],
- y=player.pos[2],
+ x=player.pos.x,
+ y=player.pos.y,
color=player.color,
}
end
@@ -95,8 +96,7 @@ local function handle_ev(ev)
local op = j.t
if op == "ppos" then
local x,y = j.x,j.y
- player.pos[1] = x
- player.pos[2] = y
+ player.pos = coords.Pos:make(x,y)
-- print(player.id,"-->",player.pos[1],player.pos[2])
for i,otherplayer in ipairs(playerlist) do
if otherplayer ~= player then
@@ -157,11 +157,30 @@ local ndts = 100
local ntick = 0
+local function player_near_chunk(cp)
+ -- true: chunk at cp should stay loaded (because of a nearby player),
+ -- false: no players nearby, can be unloaded
+ -- this is kind of inefficient at the moment
+ for _,player in ipairs(playerlist) do
+ local pcp = player.pos:to_hex():containing_chunk()
+ for _,neighb in ipairs(pcp:neighborhood()) do
+ if neighb == cp then
+ return true
+ end
+ end
+ end
+ return false
+end
+
local function tick(ntick)
if ntick % 30 == 0 then
- print("saving things...")
+ print("saving things")
for cp,ch in map:iter_chunks() do
map:save_chunk(cp)
+ if not player_near_chunk(cp) then
+ print("unloading chunk",cp)
+ map:remove_chunk(cp)
+ end
end
end
end