From 1f12234e627dd1663416e1930f68fcb4624c6b1d Mon Sep 17 00:00:00 2001
From: Ryan Liptak <squeek502@hotmail.com>
Date: Wed, 6 Feb 2019 18:38:28 -0800
Subject: [PATCH] Make d2info work in multiplayer (LAN/private servers)

---
 README.md            |  2 +-
 d2info/gamestate.lua | 13 +++++++++----
 d2info/output.lua    |  8 ++++++--
 3 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/README.md b/README.md
index 3f23011..adea0fa 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@ Currently, it provides the following information:
 - Number of experience 'ticks' gained (pixels filled in the experience bar)
 - Information about the current area, like monster level and % xp gain (unfinished, disabled by default; see `SHOW_AREA_INFORMATION` in the config)
 
-Supports Diablo II versions 1.13c, 1.13d, 1.14b, 1.14c, and 1.14d (D2SE and/or PlugY are also supported)
+Supports Diablo II versions 1.13c, 1.13d, 1.14b, 1.14c, and 1.14d (D2SE and/or PlugY are also supported). It can also be used on LAN and private multiplayer servers (if it's allowed), however **it is not recommended to use it on Battle.net**, as it will most likely be considered a cheat and could result in a ban.
 
 ## Installation
 
diff --git a/d2info/gamestate.lua b/d2info/gamestate.lua
index c0e2254..7abd3fc 100644
--- a/d2info/gamestate.lua
+++ b/d2info/gamestate.lua
@@ -15,8 +15,12 @@ function GameState.new(reader, config, output)
   return self
 end
 
-function GameState:inValidGame()
-  return self.reader:getGamePointer() ~= nil and self.reader:getExperience() ~= nil
+function GameState:inValidGame(multiplayer)
+  return (multiplayer or self.reader:getGamePointer() ~= nil) and self.reader:getExperience() ~= nil
+end
+
+function GameState:inMultiplayerGame()
+  return self.reader:getGamePointer() == nil and self.reader:getExperience() ~= nil
 end
 
 function GameState:inTown()
@@ -24,7 +28,7 @@ function GameState:inTown()
 end
 
 function GameState:isPaused()
-  return self.ingame and self.lastFrameNumber and self.lastFrameNumber == self.frameNumber
+  return not self.multiplayer and self.ingame and self.lastFrameNumber and self.lastFrameNumber == self.frameNumber
 end
 
 function GameState:setupCurrentSession()
@@ -57,7 +61,8 @@ function GameState:getSessions()
 end
 
 function GameState:tick(ms)
-  self.ingame = self:inValidGame()
+  self.multiplayer = self:inMultiplayerGame()
+  self.ingame = self:inValidGame(self.multiplayer)
   if self.ingame then
     -- read current state
     self.player = self.reader:getPlayerName()
diff --git a/d2info/output.lua b/d2info/output.lua
index 8973a6d..c726cdc 100644
--- a/d2info/output.lua
+++ b/d2info/output.lua
@@ -1,6 +1,6 @@
 local utils = require('d2info.utils')
 local lfs = require('lfs')
-local printf, friendlyNumber, friendlyTime, toFile = utils.printf, utils.friendlyNumber, utils.friendlyTime, utils.toFile
+local friendlyNumber, friendlyTime, toFile = utils.friendlyNumber, utils.friendlyTime, utils.toFile
 local expToPercentLeveled = utils.expToPercentLeveled
 
 local Output = {}
@@ -26,7 +26,11 @@ function Output:toScreen(state)
     local sessions = state:getSessions()
     local total, current, last = sessions.total, sessions.current, sessions.last
     self:buffer("%s (level %d & %.2f%%)", state.player, state.level, expToPercentLeveled(state.exp, state.level)*100)
-    self:buffer("/players %d", state.playersX)
+    if state.multiplayer then
+      self:buffer("Multiplayer")
+    else
+      self:buffer("/players %d", state.playersX)
+    end
 
     if current then
       self:buffer("\nRun #%d:", total.runs+1)