Original Source for 1.13 Mod High Resolution version from 12/06/05

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@21 3b4a5df2-a311-0410-b5c6-a8a6f20db521

Standard Gaming Platform/timer.cpp

@@ -0,0 +1,73 @@
+#ifdef JA2_PRECOMPILED_HEADERS
+	#include "JA2 SGP ALL.H"
+#elif defined( WIZ8_PRECOMPILED_HEADERS )
+	#include "WIZ8 SGP ALL.H"
+#else
+	#include "types.h"
+	#include <windows.h>
+	#if defined( JA2 ) || defined( UTIL )
+		#include "video.h"
+	#else
+		#include "video2.h"
+	#endif
+	#include "timer.h"
+#endif
+
+#ifndef WIN32_LEAN_AND_MEAN
+	#define WIN32_LEAN_AND_MEAN
+#endif
+
+UINT32 guiStartupTime;
+UINT32 guiCurrentTime;
+
+void CALLBACK Clock( HWND hWindow, UINT uMessage, UINT idEvent, DWORD dwTime )
+{
+  guiCurrentTime = GetTickCount();
+  if (guiCurrentTime < guiStartupTime)
+  { // Adjust guiCurrentTime because of loopback on the timer value
+    guiCurrentTime = guiCurrentTime + (0xffffffff - guiStartupTime);
+  }
+  else
+  { // Adjust guiCurrentTime because of loopback on the timer value
+    guiCurrentTime = guiCurrentTime - guiStartupTime;
+  }
+}
+
+BOOLEAN InitializeClockManager(void)
+{
+
+  // Register the start time (use WIN95 API call)
+  guiCurrentTime = guiStartupTime = GetTickCount();
+  SetTimer(ghWindow, MAIN_TIMER_ID, 10, (TIMERPROC)Clock);
+
+
+  return TRUE;
+}
+
+void    ShutdownClockManager(void)
+{
+
+  // Make sure we kill the timer
+  KillTimer(ghWindow, MAIN_TIMER_ID);
+
+}
+
+TIMER   GetClock(void)
+{
+  return guiCurrentTime;
+}
+
+TIMER   SetCountdownClock(UINT32 uiTimeToElapse)
+{
+  return (guiCurrentTime + uiTimeToElapse);
+}
+
+UINT32 ClockIsTicking(TIMER uiTimer)
+{
+  if (uiTimer > guiCurrentTime)
+  { // Well timer still hasn't elapsed
+    return (uiTimer - guiCurrentTime);
+  }
+  // Time's up
+  return 0;
+}