- transitioned Exhumed to the new main loop.

Fixed #301

source/core/gamecontrol.cpp

@@ -863,13 +863,8 @@ int RunGame()
 	enginePostInit(); // This must not be done earlier!
 	videoInit();
 
-	// Duke has transitioned to the new main loop, the other games haven't yet.
-	if (!(g_gameType & (GAMEFLAG_PSEXHUMED)))
-	{
 	D_CheckNetGame();
 	MainLoop();
-	}
-	else app_loop();
 	return 0; // this is never reached. app_loop only exits via exception.
 }
 

source/core/gamecontrol.h

@@ -223,11 +223,5 @@ enum AM_Mode
 extern int automapMode;
 extern bool automapFollow;
 extern bool sendPause;
-extern int gameclock;
-extern uint64_t gameclockstart;
 extern int lastTic;
 
-inline void updateGameClock()
-{
-	gameclock = static_cast<int>((I_GetTimeNS() - gameclockstart) * 120 / 1'000'000'000);
-}

source/core/mainloop.cpp

@@ -194,7 +194,6 @@ static void GameTicker()
 	case GS_LEVEL:
 		gameupdatetime.Reset();
 		gameupdatetime.Clock();
-		updateGameClock();
 		gi->Ticker();
 		gameupdatetime.Unclock();
 		break;
@@ -249,7 +248,6 @@ void Display()
 			twod->Clear();
 			twod->SetSize(screen->GetWidth(), screen->GetHeight());
 			twodpsp.SetSize(screen->GetWidth(), screen->GetHeight());
-			updateGameClock();
 			gi->Render();
 			DrawFullscreenBlends();
 		}

source/exhumed/src/enginesubs.cpp

@@ -30,18 +30,12 @@ BEGIN_PS_NS
 
 void resettiming()
 {
-    gameclock = 0;
     lastTic = -1;
 }
 
 void doTileLoad(int i)
 {
-	tileLoad(i);
-
-#ifdef USE_OPENGL
 	if (r_precache) PrecacheHardwareTextures(i);
-#endif
-
 }
 
 void precache()

source/exhumed/src/exhumed.cpp

@@ -373,6 +373,8 @@ double calc_smoothratio()
     return I_GetTimeFrac() * MaxSmoothRatio;
 }
 
+void CheckProgression();
+
 void GameMove(void)
 {
     FixPalette();
@@ -444,26 +446,11 @@ static int SelectAltWeapon(int weap2)
     return 0;
 }
 
-void GameTicker()
-{
-    int const currentTic = I_GetTime();
-    gameclock = I_GetBuildTime();
 
-    if (paused)
+void GameInterface::Ticker()
 {
-        buttonMap.ResetButtonStates();
+    if (!paused)
-    }
-    else
     {
-        gameupdatetime.Reset();
-        gameupdatetime.Clock();
-
-        while (!EndLevel && currentTic - lastTic >= 1)
-        {
-            lastTic = currentTic;
-
-            PlayerInterruptKeys(false);
-
         nPlayerDAng += localInput.q16avel;
         inita &= kAngleMask;
 
@@ -577,6 +564,29 @@ void GameTicker()
 
         leveltime++;
         GameMove();
+        r_NoInterpolate = false;
+    }
+    else r_NoInterpolate = true;
+    CheckProgression(); // todo: Get rid of this.
+}
+
+void GameTicker()
+{
+    int const currentTic = I_GetTime();
+
+    if (paused)
+    {
+        buttonMap.ResetButtonStates();
+    }
+    else
+    {
+        gameupdatetime.Reset();
+        gameupdatetime.Clock();
+
+        while (!EndLevel && currentTic - lastTic >= 1)
+        {
+            lastTic = currentTic;
+            gi->Ticker();
         }
 
         gameupdatetime.Unclock();

source/exhumed/src/exhumed.h

@@ -197,7 +197,7 @@ public:
 	void ComputeCinemaText();
 	void ReadyCinemaText(uint16_t nVal);
 	void DisplayText();
-	bool AdvanceCinemaText(int gameclock);
+	bool AdvanceCinemaText(int clock);
 };
 
 
@@ -250,6 +250,11 @@ struct GameInterface : ::GameInterface
 	void QuitToTitle() override;
     void UpdateSounds() override;
     void ErrorCleanup() override;
+    void Ticker() override;
+    void DrawBackground() override;
+    void Render() override;
+    void GetInput(InputPacket* packet) override;
+    void Startup() override;
 
 	::GameStats getStats() override;
 };

source/exhumed/src/gameloop.cpp

@@ -50,6 +50,8 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 BEGIN_PS_NS
 
+void CheckProgression();
+
 short nBestLevel;
 static int32_t nonsharedtimer;
 
@@ -114,8 +116,9 @@ static void showmap(short nLevel, short nLevelNew, short nLevelBest, TArray<JobD
 }
 
 
-static void GameDisplay(void)
+void GameInterface::Render()
 {
+    CheckKeys2();
     drawtime.Reset();
     drawtime.Clock();
 
@@ -142,8 +145,9 @@ static void GameDisplay(void)
 // 
 //
 //---------------------------------------------------------------------------
+void CheckProgression();
 
-void drawmenubackground()
+void GameInterface::DrawBackground()
 {
     auto nLogoTile = EXHUMED ? kExhumedLogo : kPowerslaveLogo;
     int dword_9AB5F = (I_GetBuildTime() / 16) & 3;
@@ -157,7 +161,7 @@ void drawmenubackground()
     // draw the fire urn/lamp thingies
     DrawRel(kTile3512 + dword_9AB5F, 50, 150, 32);
     DrawRel(kTile3512 + ((dword_9AB5F + 2) & 3), 270, 150, 32);
-
+    CheckProgression();
 }
 
 //---------------------------------------------------------------------------
@@ -251,10 +255,31 @@ void GameLoop()
     GameTicker();
     PlayerInterruptKeys(true);
     gi->UpdateSounds();
-    CheckKeys2();
 }
 
 
+void GameInterface::Startup()
+{
+    resettiming();
+    GameAction = -1;
+    EndLevel = false;
+
+    if (userConfig.CommandMap.IsNotEmpty())
+    {
+        /*
+        auto map = FindMapByName(userConfig.CommandMap);
+        if (map) GameAction = map->levelNumber;
+        userConfig.CommandMap = "";
+        goto again;
+        */
+    }
+    else
+    {
+        DoTitle([](bool) { startmainmenu(); });
+    }
+
+}
+
 void GameInterface::RunGameFrame()
 {
     again:
@@ -263,31 +288,16 @@ void GameInterface::RunGameFrame()
     {
     default:
     case GS_STARTUP:
-        resettiming();
-        GameAction = -1;
-        EndLevel = false;
-
-        if (userConfig.CommandMap.IsNotEmpty())
-        {
-            auto map = FindMapByName(userConfig.CommandMap);
-            if (map) GameAction = map->levelNumber;
-            userConfig.CommandMap = "";
-            goto again;
-        }
-        else
-        {
-            DoTitle([](bool) { startmainmenu(); });
-        }
         break;
 
     case GS_MENUSCREEN:
     case GS_FULLCONSOLE:
-        drawmenubackground();
+        gi->DrawBackground();
         break;
 
     case GS_LEVEL:
         GameLoop();
-        GameDisplay();
+        gi->Render();
         break;
 
     case GS_INTERMISSION:

source/exhumed/src/input.cpp

@@ -325,4 +325,10 @@ void PlayerInterruptKeys(bool after)
 }
 
 
+void GameInterface::GetInput(InputPacket* packet)
+{
+    PlayerInterruptKeys(packet == nullptr);
+    if (packet) *packet = localInput;
+}
+
 END_PS_NS

source/exhumed/src/map.cpp

@@ -434,7 +434,7 @@ static void G_DrawOverheadMap(int32_t cposx, int32_t cposy, int32_t czoom, int16
         if (p == screenpeek || GTFLAGS(GAMETYPE_OTHERPLAYERSINMAP))
         {
             if (pSprite->xvel > 16 && pPlayer->on_ground)
-                i = APLAYERTOP+(((int32_t) gameclock>>4)&3);
+                i = APLAYERTOP+(((int32_t) leveltime>>4)&3);
             else
                 i = APLAYERTOP;
 

source/exhumed/src/object.cpp

@@ -1492,7 +1492,7 @@ void DimLights()
 void DoFinale()
 {
     static int dword_96788 = 0;
-    static int dword_1542FC = 0;
+    static int nextstage = 0;
 
     if (!lFinaleStart)
         return;
@@ -1529,20 +1529,20 @@ void DoFinale()
                 {
                     StopLocalSound();
                     PlayLocalSound(StaticSound[kSound76], 0);
-                    dword_1542FC = gameclock + 120;
+                    nextstage = leveltime + 120;
                     nFinaleStage++;
                 }
             }
             else if (nFinaleStage <= 2)
             {
-                if (gameclock >= dword_1542FC)
+                if (leveltime >= nextstage)
                 {
                     PlayLocalSound(StaticSound[kSound77], 0);
                     nFinaleStage++;
-                    dword_1542FC = gameclock + 360;
+                    nextstage = leveltime + 360;
                 }
             }
-            else if (nFinaleStage == 3 && gameclock >= dword_1542FC)
+            else if (nFinaleStage == 3 && leveltime >= nextstage)
             {
                 EndLevel = true;
             }
@@ -1706,7 +1706,7 @@ void ExplodeEnergyBlock(int nSprite)
     else
     {
         nFinaleSpr = nSprite;
-        lFinaleStart = gameclock;
+        lFinaleStart = leveltime;
 
         if (!lFinaleStart) {
             lFinaleStart = lFinaleStart + 1;

source/exhumed/src/ramses.cpp

@@ -127,7 +127,7 @@ void InitSpiritHead()
 
     sprite[nSpiritSprite].cstat &= 0x7FFF;
 
-    nHeadTimeStart = gameclock;
+    nHeadTimeStart = leveltime;
 
     memset(Worktile, TRANSPARENT_INDEX, WorktileSize);
     TileFiles.InvalidateTile(kTileRamsesWorkTile);
@@ -152,8 +152,8 @@ void InitSpiritHead()
     StartSwirlies();
 
     sprintf(filename, "LEV%d.PUP", currentLevel->levelNumber);
-    lNextStateChange = gameclock;
+    lNextStateChange = leveltime;
-    lHeadStartClock = gameclock;
+    lHeadStartClock = leveltime;
 
 	auto headfd = fileSystem.OpenFileReader(filename);
 	if (!headfd.isOpen())
@@ -219,7 +219,7 @@ int DoSpiritHead()
 
     if (nHeadStage < 2 || nHeadStage != 5)
     {
-        nPixelsToShow = (gameclock - nHeadTimeStart) * 15;
+        nPixelsToShow = (leveltime - nHeadTimeStart) * 15;
 
         if (nPixelsToShow > nPixels) {
             nPixelsToShow = nPixels;
@@ -242,10 +242,10 @@ int DoSpiritHead()
 
             if (!nHeadStage)
             {
-                if ((gameclock - nHeadTimeStart) > 480)
+                if ((leveltime - nHeadTimeStart) > 480)
                 {
                     nHeadStage = 1;
-                    nHeadTimeStart = gameclock + 480;
+                    nHeadTimeStart = leveltime + 480;
                 }
 
                 for (int i = 0; i < nPixelsToShow; i++)
@@ -426,7 +426,7 @@ int DoSpiritHead()
                     Worktile[kSpiritX + ecx] = pixelval[i];
                 }
 
-                if ((gameclock - lHeadStartClock) > 600)
+                if ((leveltime - lHeadStartClock) > 600)
                 {
                     CopyHeadToWorkTile(kTileRamsesGold);
                 }
@@ -467,7 +467,7 @@ int DoSpiritHead()
     }
     else
     {
-        if (lNextStateChange <= gameclock)
+        if (lNextStateChange <= leveltime)
         {
             if (nPupData)
             {

source/exhumed/src/sound.cpp

@@ -450,7 +450,7 @@ void EXSoundEngine::CalcPosVel(int type, const void* source, const float pt[3],
         else if (type == SOURCE_Swirly)
         {
             int which = *(int*)source;
-            float phase = (gameclock << (4 + which)) * (M_PI / 1024);
+            float phase = (leveltime << (4 + which)) * (M_PI / 1024);
             pos->X = fcampos.X + 256 * cos(phase);
             pos->Z = fcampos.Z + 256 * sin(phase);
         }

source/exhumed/src/status.cpp

@@ -631,7 +631,7 @@ private:
 
             int shade;
 
-            if (gameclock / kTimerTicks & 1) {
+            if (leveltime / kTimerTicks & 1) {
                 shade = -100;
             }
             else {
@@ -649,14 +649,14 @@ private:
                 if (word_9AD54[i] == nScore)
                 {
                     int v9 = dword_9AD64[i];
-                    if (v9 && v9 <= gameclock) {
+                    if (v9 && v9 <= leveltime) {
                         dword_9AD64[i] = 0;
                     }
                 }
                 else
                 {
                     word_9AD54[i] = nScore;
-                    dword_9AD64[i] = gameclock + 30;
+                    dword_9AD64[i] = leveltime + 30;
                 }
 
                 DrawGraphic(tileGetTexture(nTile), x, 7, DI_ITEM_CENTER, 1, -1, -1, 1, 1);