From 42b34b6fe58445d9aa3614ab7c18c337823b6548 Mon Sep 17 00:00:00 2001
From: Matthew Lam <sudfiwe@gmail.com>
Date: Fri, 3 Jun 2022 07:54:00 -0400
Subject: [PATCH] Add compression usage option.

---
 UI/OptionsWnd.cpp           | 1 +
 default/stringtables/en.txt | 6 ++++++
 util/MultiplayerCommon.cpp  | 1 +
 3 files changed, 8 insertions(+)

diff --git a/UI/OptionsWnd.cpp b/UI/OptionsWnd.cpp
index 73ad4f3f8..fd196f533 100644
--- a/UI/OptionsWnd.cpp
+++ b/UI/OptionsWnd.cpp
@@ -794,6 +794,7 @@ void OptionsWnd::CompleteConstruction() {
     //BoolOption(current_page, 0, "resource.shipdesign.default.enabled",  UserString("OPTIONS_ADD_DEFAULT_DESIGNS"));   // hidden due to issues with implementation when not enabled preventing designs from being added or recreated
     BoolOption(current_page, 0, "save.format.binary.enabled",       UserString("OPTIONS_USE_BINARY_SERIALIZATION"));
     BoolOption(current_page, 0, "save.format.xml.zlib.enabled",     UserString("OPTIONS_USE_XML_ZLIB_SERIALIZATION"));
+    BoolOption(current_page, 0, "network.message.zlib.enabled",     UserString("OPTIONS_USE_MSG_ZLIB_CPR"));
     BoolOption(current_page, 0, "ui.map.sitrep.invalid.shown",      UserString("OPTIONS_VERBOSE_SITREP_DESC"));
     BoolOption(current_page, 0, "effects.accounting.enabled",       UserString("OPTIONS_EFFECT_ACCOUNTING"));
 
diff --git a/default/stringtables/en.txt b/default/stringtables/en.txt
index c8b90dd06..b60e7b03d 100644
--- a/default/stringtables/en.txt
+++ b/default/stringtables/en.txt
@@ -2180,6 +2180,9 @@ The server will use Binary serialization for client-server interaction if the cl
 OPTIONS_DB_XML_ZLIB_SERIALIZATION
 When saving games with XML serialization, compress most of the XML before writing the file. Compression substantially reduces save file sizes, but may make saves unloadable due to memory requirements to decompress the save data.
 
+OPTIONS_DB_USE_MSG_ZLIB_CPR
+Notifes a remote server that the client is able to receive and send compressed data. Data may be transmitted uncompressed based on server settings.
+
 OPTIONS_DB_UI_WINDOWS_EXISTS
 True if the window with a given config name currently exists, false if one was created and deleted, doesn't exist if no window has yet been created with that name.
 
@@ -3414,6 +3417,9 @@ Create Binary Save Files
 OPTIONS_USE_XML_ZLIB_SERIALIZATION
 Use Compression for XML Save Files
 
+OPTIONS_USE_MSG_ZLIB_CPR
+Allow remote servers to send compressed data.
+
 OPTIONS_CREATE_PERSISTENT_CONFIG
 Write Persistent Config File
 
diff --git a/util/MultiplayerCommon.cpp b/util/MultiplayerCommon.cpp
index cd8849e48..bd56c2837 100644
--- a/util/MultiplayerCommon.cpp
+++ b/util/MultiplayerCommon.cpp
@@ -37,6 +37,7 @@ namespace {
         db.Add<std::string>("resource.stringtable.path",    UserStringNop("OPTIONS_DB_STRINGTABLE_FILENAME"),   "");
         db.Add("save.format.binary.enabled",                UserStringNop("OPTIONS_DB_BINARY_SERIALIZATION"),   false);
         db.Add("save.format.xml.zlib.enabled",              UserStringNop("OPTIONS_DB_XML_ZLIB_SERIALIZATION"), true);
+        db.Add("network.message.zlib.enabled",              UserStringNop("OPTIONS_DB_USE_MSG_ZLIB_CPR"),       true);
         db.Add("save.auto.hostless.enabled",                UserStringNop("OPTIONS_DB_AUTOSAVE_HOSTLESS"),      true);
         db.Add("save.auto.hostless.each-player.enabled",    UserStringNop("OPTIONS_DB_AUTOSAVE_HOSTLESS_EACH_PLAYER"), false);
         db.Add<int>("save.auto.interval",                   UserStringNop("OPTIONS_DB_AUTOSAVE_INTERVAL"),      0);
-- 
2.36.1