- Duke (and Engine): Eliminate use of totalclock for game.

* Breaks every other game except Duke unless/until they get migrated. Done for the purpose of demonstrating PR #244.

# Conflicts:
#	source/build/src/timer.cpp
#	source/games/duke/src/game.cpp

source/build/src/engine.cpp

@@ -1286,7 +1286,7 @@ int32_t renderDrawRoomsQ16(int32_t daposx, int32_t daposy, int32_t daposz,
     globalhoriz = fix16_to_int(qglobalhoriz);
 
     globalcursectnum = dacursectnum;
-    totalclocklock = totalclock;
+    totalclocklock = I_GetBuildTime();
 
     if ((xyaspect != oxyaspect) || (xdimen != oxdimen) || (viewingrange != oviewingrange))
         dosetaspect();

source/build/src/mdsprite.cpp

@@ -599,7 +599,7 @@ static void updateanimation(md2model_t *m, tspriteptr_t tspr, uint8_t lpal)
     fps = smooth->mdsmooth ? Blrintf((1.0f / ((float)tile2model[tile].smoothduration * (1.f / (float)UINT16_MAX))) * 66.f)
                                    : anim ? anim->fpssc : 1;
 
-    i = (mdtims - sprext->mdanimtims) * ((fps * timerGetClockRate()) / 120);
+    i = (mdtims - sprext->mdanimtims) * ((fps * 120) / 120);
 
     j = (smooth->mdsmooth || !anim) ? 65536 : ((anim->endframe + 1 - anim->startframe) << 16);
 
@@ -607,7 +607,7 @@ static void updateanimation(md2model_t *m, tspriteptr_t tspr, uint8_t lpal)
     if (i < 0) { i = 0; sprext->mdanimtims = mdtims; }
     //compare with j*2 instead of j to ensure i stays > j-65536 for MDANIM_ONESHOT
     if (anim && (i >= j+j) && (fps) && !mdpause) //Keep mdanimtims close to mdtims to avoid the use of MOD
-        sprext->mdanimtims += j/((fps*timerGetClockRate())/120);
+        sprext->mdanimtims += j/((fps*120)/120);
 
     k = i;
 

source/build/src/timer.cpp

@@ -48,6 +48,4 @@ void timerUpdateClock(void)
 
     totalclock += n;
     timerlastsample += n*nanoseconds(1000000000/timerticspersec);
-
 }
-

source/core/inputstate.cpp

@@ -113,6 +113,20 @@ void InputState::ClearAllInput()
 }
 
 
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+TArray<void(*)(void)> callbacks;
+
+void(*timerSetCallback(void(*callback)(void)))(void)
+{
+	callbacks.Push(callback);
+    return nullptr;
+}
+
 //==========================================================================
 //
 //
@@ -145,7 +159,7 @@ int32_t handleevents(void)
 		setsizeneeded = false;
 	}
 
-	timerUpdateClock();
+	for (auto cb : callbacks) cb();
 
 	I_StartFrame();
 	I_StartTic();

source/core/inputstate.h

@@ -60,5 +60,7 @@ public:
 
 extern InputState inputState;
 
+void (*timerSetCallback(void (*callback)(void)))(void);
+
 void CONTROL_GetInput(ControlInfo* info);
 int32_t handleevents(void);

source/games/duke/src/game.cpp

@@ -350,7 +350,6 @@ static void Startup(void)
 	SetDispatcher();
 	S_InitSound();
 
-	timerInit(TICRATE);
 
 	loadcons();
 	fi.initactorflags();

source/games/duke/src/gameloop.cpp

@@ -413,7 +413,6 @@ void GameInterface::RunGameFrame()
 	case GS_STARTUP:
 		I_ResetTime();
 		lastTic = -1;
-		totalclock = 0;
 		gameclock = 0;
 		lockclock = 0;
 

source/games/duke/src/premap.cpp

@@ -758,7 +758,6 @@ void resettimevars(void)
 {
     I_ResetTime();
     lastTic = -1;
-    totalclock = 0;
     gameclock = 0;
     cloudtotalclock = 0;
     levelTextTime = 85;