From 055a225d4c2a18e9aff2f0e682cf89048d1efefe Mon Sep 17 00:00:00 2001
From: DeaDDooMER <deaddoomer@deadsoftware.ru>
Date: Fri, 5 Oct 2018 22:40:50 +0300
Subject: [PATCH] System username used as player's nickname by default

---
 src/game/g_menu.pas    |  4 ++--
 src/game/g_options.pas | 21 ++++++++++++++++++---
 src/shared/envvars.pas | 16 ++++++++++++++--
 3 files changed, 34 insertions(+), 7 deletions(-)

diff --git a/src/game/g_menu.pas b/src/game/g_menu.pas
index ef79a76..23fbf2e 100644
--- a/src/game/g_menu.pas
+++ b/src/game/g_menu.pas
@@ -286,8 +286,8 @@ begin
     gPlayer2Settings.Color := Model.Color;
   end;
 
-  if gPlayer1Settings.Name = '' then gPlayer1Settings.Name := 'Player1';
-  if gPlayer2Settings.Name = '' then gPlayer2Settings.Name := 'Player2';
+  if gPlayer1Settings.Name = '' then gPlayer1Settings.Name := GenPlayerName(1);
+  if gPlayer2Settings.Name = '' then gPlayer2Settings.Name := GenPlayerName(2);
 
   if g_Game_IsServer then
   begin
diff --git a/src/game/g_options.pas b/src/game/g_options.pas
index 86761de..506fc18 100644
--- a/src/game/g_options.pas
+++ b/src/game/g_options.pas
@@ -61,6 +61,8 @@ type
     P2Control:    TPlayerControl;
   end;
 
+function GenPlayerName (n: Integer): String;
+
 procedure g_Options_SetDefault();
 procedure g_Options_Read(FileName: String);
 procedure g_Options_Write(FileName: String);
@@ -137,7 +139,18 @@ uses
   {$INCLUDE ../nogl/noGLuses.inc}
   e_log, e_input, g_window, g_sound, g_gfx, g_player, Math,
   g_map, g_net, g_netmaster, SysUtils, CONFIG, g_game, g_main, e_texture,
-  g_items, wadreader, e_graphics, g_touch, SDL2;
+  g_items, wadreader, e_graphics, g_touch, SDL2, envvars;
+
+  var
+    machine: Integer;
+
+  function GenPlayerName (n: Integer): String;
+  begin
+    ASSERT(n >= 1);
+    Result := GetUserName;
+    if Result = '' then Result := 'Player' + IntToStr(machine MOD 10000);
+    if n > 1 then Result := Copy(Result, 1, 10) + (' ' + IntToStr(n))
+  end;
 
 procedure g_Options_SetDefaultVideo;
 var
@@ -259,7 +272,7 @@ begin
 
   with gPlayer1Settings do
   begin
-    Name := 'Player1';
+    Name := GenPlayerName(1);
     Model := STD_PLAYER_MODEL;
     Color.R := PLAYER1_DEF_COLOR.R;
     Color.G := PLAYER1_DEF_COLOR.G;
@@ -304,7 +317,7 @@ begin
 
   with gPlayer2Settings do
   begin
-    Name := 'Player2';
+    Name := GenPlayerName(2);
     Model := STD_PLAYER_MODEL;
     Color.R := PLAYER2_DEF_COLOR.R;
     Color.G := PLAYER2_DEF_COLOR.G;
@@ -1039,4 +1052,6 @@ begin
   config.Free();
 end;
 
+initialization
+  machine := Random(10000)
 end.
diff --git a/src/shared/envvars.pas b/src/shared/envvars.pas
index 941b8e0..3774eab 100644
--- a/src/shared/envvars.pas
+++ b/src/shared/envvars.pas
@@ -19,9 +19,10 @@ unit envvars;
 
 interface
 
-uses SysUtils, CTypes;
+  uses SysUtils, CTypes;
 
-function SetEnvVar(const VarName: AnsiString; const VarVal: AnsiString): Boolean;
+  function SetEnvVar(const VarName: AnsiString; const VarVal: AnsiString): Boolean;
+  function GetUserName: String;
 
 implementation
 
@@ -46,4 +47,15 @@ begin
   Result := (setenv(PChar(VarName), PChar(VarVal), 1) = 0);
 end;
 
+  function GetUserName: String;
+  begin
+    {$IF DEFINED(WINDOWS)}
+      Result := SysUtils.GetEnvironmentVariable('USERNAME')
+    {$ELSEIF DEFINED(UNIX)}
+      Result := SysUtils.GetEnvironmentVariable('USER')
+    {$ELSE}
+      Result := ''
+    {$ENDIF}
+  end;
+
 end.
-- 
2.29.2