From f5891dea253e96a9e1b43452be1ee7e6061bc273 Mon Sep 17 00:00:00 2001
From: Randy Heit <rheit@zdoom.fake>
Date: Tue, 19 Feb 2013 02:58:03 +0000
Subject: [PATCH] - Added time display for alt hud.

SVN r4148 (trunk)
---
 src/g_shared/shared_hud.cpp | 84 +++++++++++++++++++++++++++++++++++++
 wadsrc/static/menudef.txt   | 16 +++++++
 2 files changed, 100 insertions(+)

diff --git a/src/g_shared/shared_hud.cpp b/src/g_shared/shared_hud.cpp
index 051aae14c..3416bb82d 100644
--- a/src/g_shared/shared_hud.cpp
+++ b/src/g_shared/shared_hud.cpp
@@ -49,6 +49,8 @@
 #include "doomstat.h"
 #include "g_level.h"
 
+#include <time.h>
+
 
 #define HUMETA_AltIcon 0x10f000
 
@@ -68,6 +70,8 @@ CVAR (Bool,  hud_showmonsters,	true,CVAR_ARCHIVE);		// Show monster stats on HUD
 CVAR (Bool,  hud_showitems,		false,CVAR_ARCHIVE);	// Show item stats on HUD
 CVAR (Bool,  hud_showstats,		false,	CVAR_ARCHIVE);	// for stamina and accuracy. 
 CVAR (Bool,  hud_showscore,		false,	CVAR_ARCHIVE);	// for user maintained score
+CVAR (Int ,  hud_showtime,		0,	    CVAR_ARCHIVE);	// Show time on HUD
+CVAR (Int ,  hud_timecolor,		CR_GOLD,CVAR_ARCHIVE);	// Color of in-game time on HUD
 
 CVAR (Int, hud_ammo_red, 25, CVAR_ARCHIVE)					// ammo percent less than which status is red    
 CVAR (Int, hud_ammo_yellow, 50, CVAR_ARCHIVE)				// ammo percent less is yellow more green        
@@ -816,6 +820,84 @@ static void DrawCoordinates(player_t * CPlayer)
 		DTA_VirtualWidth, vwidth, DTA_VirtualHeight, vheight, TAG_DONE);
 }
 
+//---------------------------------------------------------------------------
+//
+// Draw in-game time
+//
+// Check AltHUDTime option value in wadsrc/static/menudef.txt
+// for meaning of all display modes
+//
+//---------------------------------------------------------------------------
+
+static void DrawTime()
+{
+	if (hud_showtime <= 0 || hud_showtime > 9)
+	{
+		return;
+	}
+
+	int hours   = 0;
+	int minutes = 0;
+	int seconds = 0;
+
+	if (hud_showtime < 8)
+	{
+		const int timeTicks =
+			hud_showtime < 4
+				? level.maptime
+				: (hud_showtime < 6
+					? level.time
+					: level.totaltime);
+		const int timeSeconds = timeTicks / TICRATE;
+
+		hours   =  timeSeconds / 3600;
+		minutes = (timeSeconds % 3600) / 60;
+		seconds =  timeSeconds % 60;
+	}
+	else
+	{
+		time_t now;
+		time(&now);
+
+		struct tm* timeinfo = localtime(&now);
+
+		if (NULL != timeinfo)
+		{
+			hours   = timeinfo->tm_hour;
+			minutes = timeinfo->tm_min;
+			seconds = timeinfo->tm_sec;
+		}
+	}
+
+	const bool showMillis  = 1 == hud_showtime;
+	const bool showSeconds = showMillis || (0 == hud_showtime % 2);
+
+	char timeString[sizeof "HH:MM:SS.MMM"];
+
+	if (showMillis)
+	{
+		const int millis  = (level.time % TICRATE) * (1000 / TICRATE);
+
+		mysnprintf(timeString, sizeof(timeString), "%02i:%02i:%02i.%03i", hours, minutes, seconds, millis);
+	}
+	else if (showSeconds)
+	{
+		mysnprintf(timeString, sizeof(timeString), "%02i:%02i:%02i", hours, minutes, seconds);
+	}
+	else
+	{
+		mysnprintf(timeString, sizeof(timeString), "%02i:%02i", hours, minutes);
+	}
+
+	const int characterCount = static_cast<int>( sizeof "HH:MM" - 1
+		+ (showSeconds ? sizeof ":SS"  - 1 : 0)
+		+ (showMillis  ? sizeof ".MMM" - 1 : 0) );
+	const int width  = SmallFont->GetCharWidth('0') * characterCount + 2; // small offset from screen's border
+	const int height = SmallFont->GetHeight();
+
+	DrawHudText(SmallFont, hud_timecolor, timeString, hudwidth - width, height, FRACUNIT);
+}
+
 
 //---------------------------------------------------------------------------
 //
@@ -879,6 +961,8 @@ void DrawHUD()
 			StatusBar->DrawCrosshair();
 		}
 		if (idmypos) DrawCoordinates(CPlayer);
+
+		DrawTime();
 	}
 	else
 	{
diff --git a/wadsrc/static/menudef.txt b/wadsrc/static/menudef.txt
index a87932413..915d08405 100644
--- a/wadsrc/static/menudef.txt
+++ b/wadsrc/static/menudef.txt
@@ -780,6 +780,20 @@ OptionValue "AltHUDScale"
 	2, "Pixel double"
 }
 
+OptionValue "AltHUDTime"
+{
+	0, "Off"
+	1, "Level, milliseconds"
+	2, "Level, seconds"
+	3, "Level"
+	4, "Hub, seconds"
+	5, "Hub"
+	6, "Total, seconds"
+	7, "Total"
+	8, "System, seconds"
+	9, "System"
+}
+
 OptionMenu "AltHUDOptions"
 {
 	Title "Alternative HUD"
@@ -791,6 +805,8 @@ OptionMenu "AltHUDOptions"
 	Option "Show item count",						"hud_showitems", "OnOff"
 	Option "Show stamina and accuracy",				"hud_showstats", "OnOff"
 	Option "Show berserk",							"hud_berserk_health", "OnOff"
+	Option "Show time",								"hud_showtime", "AltHUDTime"
+	Option "Time color",							"hud_timecolor", "TextColors"
 	Slider "Red ammo display below %",				"hud_ammo_red", 0, 100, 1, 0
 	Slider "Yellow ammo display below %",			"hud_ammo_yellow", 0, 100, 1, 0
 	Slider "Red health display below",				"hud_health_red", 0, 100, 1, 0