mirror of
https://github.com/bryanthaboi/gen1recomp.git
synced 2026-08-17 11:11:10 +02:00
Route link play through multiplayer sessions
This commit is contained in:
Andrew Barnes
+88
-82
@@ -10,6 +10,7 @@ local Net = require("src.link.Net")
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local Protocol = require("src.link.Protocol")
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local Runtime = require("src.mods.Runtime")
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local Screens = require("src.ui.Screens")
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local Session = require("src.link.Session")
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local TextBox = require("src.render.TextBox")
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local Strings = require("src.core.Strings")
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@@ -44,10 +45,8 @@ local function forceLevelLabel(v)
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return (v == ANY or v == nil) and "ANY" or ("AUTO " .. tostring(v))
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end
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-- stages before any Net object is meaningfully "this session's link" --
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-- .net can still be a leftover failed attempt sitting on self, so error/
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-- closed checks below skip these rather than keying off self.net's
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-- presence alone
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-- stages before a successful transport has become this link's Session;
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-- terminal checks skip them rather than keying off self.net's presence
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local PRE_CONNECT_STAGES = { menu = true, lanMenu = true, onlineMenu = true }
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-- how long the host waits for a v2 hello before deciding the peer predates
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@@ -70,6 +69,16 @@ local function ipDigits(ip)
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return digits
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end
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local function openSession(role, connect)
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local transport = Net.new()
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if connect(transport) then
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return Session.new(transport, { role = role, kind = "link" })
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end
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local detail = transport.error or "?"
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transport:close()
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return nil, detail
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end
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function LinkState.new(game)
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local self = setmetatable({}, LinkState)
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self.game = game
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@@ -89,12 +98,15 @@ end
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-- "connecting with this code", same as if the player had typed it in
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function LinkState.newJoinOnline(game, code)
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local self = LinkState.new(game)
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self.net = Net.new()
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if self.net:joinOnline(nil, code) then
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local session, detail = openSession("guest", function(transport)
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return transport:joinOnline(nil, code)
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end)
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if session then
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self.net = session
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self.stage = "onlineJoining"
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else
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self.stage = "menu" -- exitWith below needs a real stage to unwind from
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self:exitWith(Strings("Link error:\n%s", self.net.error or "?"))
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self:exitWith(Strings("Link error:\n%s", detail))
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end
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return self
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end
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@@ -163,21 +175,13 @@ end
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-- take the peer's hello out of the inbox without eating anything that
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-- shares the batch with it
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function LinkState:pollHello()
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local msgs = self.net:poll()
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local keep, got = {}, false
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for _, msg in ipairs(msgs) do
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if msg.type == "hello" and not self.peerHello then
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self.peerHello = msg
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self.peerName = msg.name
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got = true
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else
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keep[#keep + 1] = msg
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end
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local message
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if not self.peerHello then message = self.net:take("hello") end
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if message then
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self.peerHello = message
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self.peerName = message.name
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end
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for i = #keep, 1, -1 do
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table.insert(self.net.inbox, 1, keep[i])
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end
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return got, #keep > 0
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return message ~= nil, self.net:hasPending()
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end
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function LinkState:sendHello(mode)
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@@ -220,13 +224,15 @@ function LinkState:update(dt)
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local input = self.game.input
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if self.net then
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self.net:update()
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if self.net.error and not PRE_CONNECT_STAGES[self.stage] then
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self:exitWith(Strings("Link error:\n%s", self.net.error:sub(1, 60)))
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local status = self.net:getStatus()
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if status == "failed" and not PRE_CONNECT_STAGES[self.stage] then
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self:exitWith(Strings("Link error:\n%s",
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(self.net.error or "?"):sub(1, 60)))
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return
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end
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-- the peer vanished without a bye (only once the inbox is drained,
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-- the peer vanished without a bye (only once the session FIFO drains,
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-- so a final message travelling with the disconnect still counts)
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if self.net.closed and #self.net.inbox == 0
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if status == "closed"
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and not PRE_CONNECT_STAGES[self.stage] and self.stage ~= "addrEntry"
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and self.stage ~= "codeEntry" and self.stage ~= "notice"
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and self.stage ~= "battleRunning" then
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@@ -269,12 +275,15 @@ function LinkState:update(dt)
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self.stage = "menu"
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self.index = 1
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elseif input:wasPressed("a") then
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self.net = Net.new()
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if self.index == 1 then
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if self.net:host() then
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local session, detail = openSession("host", function(transport)
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return transport:host()
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end)
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if session then
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self.net = session
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self.stage = "hosting"
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else
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self:exitWith(Strings("Link error:\n%s", self.net.error or "?"))
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self:exitWith(Strings("Link error:\n%s", detail))
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end
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else
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self.stage = "addrEntry"
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@@ -289,11 +298,14 @@ function LinkState:update(dt)
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self.index = 2
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elseif input:wasPressed("a") then
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if self.index == 1 then
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self.net = Net.new()
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if self.net:hostOnline() then
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local session, detail = openSession("host", function(transport)
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return transport:hostOnline()
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end)
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if session then
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self.net = session
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self.stage = "onlineHosting"
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else
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self:exitWith(Strings("Link error:\n%s", self.net.error or "?"))
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self:exitWith(Strings("Link error:\n%s", detail))
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end
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else
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self.stage = "codeEntry"
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@@ -327,11 +339,14 @@ function LinkState:update(dt)
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CodeEntry.right(self.codeEntry)
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elseif input:wasPressed("a") then
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local code = CodeEntry.text(self.codeEntry)
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self.net = Net.new()
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if self.net:joinOnline(nil, code) then
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local session, detail = openSession("guest", function(transport)
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return transport:joinOnline(nil, code)
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end)
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if session then
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self.net = session
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self.stage = "onlineJoining"
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else
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self:exitWith(Strings("Link error:\n%s", self.net.error or "?"))
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self:exitWith(Strings("Link error:\n%s", detail))
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end
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end
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@@ -367,10 +382,15 @@ function LinkState:update(dt)
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+ self.addr[base + 2] * 10
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+ self.addr[base + 3])
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end
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if self.net:join(table.concat(octets, ".")) then
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local address = table.concat(octets, ".")
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local session, detail = openSession("guest", function(transport)
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return transport:join(address)
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end)
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if session then
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self.net = session
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self.stage = "joining"
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else
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self:exitWith(Strings("Link error:\n%s", self.net.error or "?"))
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self:exitWith(Strings("Link error:\n%s", detail))
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end
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end
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@@ -428,19 +448,11 @@ function LinkState:update(dt)
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elseif self.stage == "waitMode" then -- guest waits for host's pick
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if input:wasPressed("b") then self:exitWith(nil) return end
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local msgs = self.net:poll()
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for i, msg in ipairs(msgs) do
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if msg.type == "hello" then
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self.peerHello = msg
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self.peerName = msg.name
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-- the host's next messages (party, ...) can share this batch;
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-- put them back so the new stage's poll sees them
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for j = #msgs, i + 1, -1 do
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table.insert(self.net.inbox, 1, msgs[j])
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end
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self:decideCompat(msg.mode, false)
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break
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end
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local message = self.net:take("hello")
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if message then
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self.peerHello = message
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self.peerName = message.name
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self:decideCompat(message.mode, false)
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end
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elseif self.stage == "notice" then
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@@ -456,40 +468,34 @@ function LinkState:update(dt)
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elseif self.stage == "battleWait" then
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if input:wasPressed("b") then self:exitWith(nil) return end
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local msgs = self.net:poll()
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for i, msg in ipairs(msgs) do
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if msg.type == "party" then
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-- the host owns this rule (same as mode); the guest only learns
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-- it here, off the host's own party message
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if not self.isHost then self.forceLevel = msg.forceLevel end
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local LinkBattle = require("src.link.LinkBattle")
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local opts = {
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myParty = Protocol.packParty(self.game.save.party),
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theirParty = msg.mons,
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theirName = self.peerName or "FOE",
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seed = self.isHost and self.linkSeed or msg.seed,
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verdict = self.verdict,
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strict = Handshake.strict(self.verdict),
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forceLevel = self.forceLevel,
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}
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local battle, why
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if self.isHost then
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battle, why = LinkBattle.newHost(self.game, self.net, opts)
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else
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battle, why = LinkBattle.newGuest(self.game, self.net, opts)
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end
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if not battle then
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self.net:send({ type = "bye" })
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self:exitWith(why or Strings("Link battle\ncan't start."), "error")
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return
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end
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self.game.stack:push(battle)
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self.stage = "battleRunning"
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for j = #msgs, i + 1, -1 do
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table.insert(self.net.inbox, 1, msgs[j])
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end
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break
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local message = self.net:take("party")
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if message then
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-- the host owns this rule (same as mode); the guest only learns
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-- it here, off the host's own party message
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if not self.isHost then self.forceLevel = message.forceLevel end
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local LinkBattle = require("src.link.LinkBattle")
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local opts = {
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myParty = Protocol.packParty(self.game.save.party),
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theirParty = message.mons,
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theirName = self.peerName or "FOE",
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seed = self.isHost and self.linkSeed or message.seed,
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verdict = self.verdict,
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strict = Handshake.strict(self.verdict),
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forceLevel = self.forceLevel,
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}
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local battle, why
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if self.isHost then
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battle, why = LinkBattle.newHost(self.game, self.net, opts)
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else
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battle, why = LinkBattle.newGuest(self.game, self.net, opts)
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end
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if not battle then
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self.net:send({ type = "bye" })
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self:exitWith(why or Strings("Link battle\ncan't start."), "error")
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return
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end
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self.game.stack:push(battle)
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self.stage = "battleRunning"
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end
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elseif self.stage == "battleRunning" then
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