First take at serialization

src/c_console.cpp

@@ -69,6 +69,8 @@
 #include "c_consolebuffer.h"
 #include "g_levellocals.h"
 
+FString FStringFormat(VM_ARGS); // extern from thingdef_data.cpp
+
 #include "gi.h"
 
 #define LEFTMARGIN 8
@@ -1332,6 +1334,14 @@ DEFINE_ACTION_FUNCTION(_Console, HideConsole)
 	return 0;
 }
 
+DEFINE_ACTION_FUNCTION(_Console, Printf)
+{
+	PARAM_PROLOGUE;
+	FString s = FStringFormat(param, defaultparam, numparam, ret, numret);
+	Printf("%s", s);
+	return 0;
+}
+
 static bool C_HandleKey (event_t *ev, FCommandBuffer &buffer)
 {
 	int data1 = ev->data1;

src/events.cpp

@@ -61,6 +61,53 @@ bool E_IsStaticType(PClass* type)
 void E_SerializeEvents(FSerializer& arc)
 {
 	// todo : stuff
+	if (arc.BeginArray("eventhandlers"))
+	{
+		int numlocalhandlers = 0;
+		TArray<DStaticEventHandler*> handlers;
+		if (arc.isReading())
+		{
+			numlocalhandlers = arc.ArraySize();
+			// delete all current local handlers, if any
+			for (DStaticEventHandler* lhandler = E_FirstEventHandler; lhandler; lhandler = lhandler->next)
+				if (!lhandler->IsStatic()) lhandler->Destroy();
+		}
+		else
+		{
+			for (DStaticEventHandler* lhandler = E_FirstEventHandler; lhandler; lhandler = lhandler->next)
+			{
+				if (lhandler->IsStatic()) continue;
+				numlocalhandlers++;
+				handlers.Push(lhandler);
+			}
+		}
+
+		for (int i = 0; i < numlocalhandlers; i++)
+		{
+			// serialize the object properly.
+			if (arc.isReading())
+			{
+				// get object and put it into the array
+				DStaticEventHandler* lhandler;
+				arc(nullptr, lhandler);
+				if (lhandler != nullptr)
+					handlers.Push(lhandler);
+			}
+			else
+			{
+				::Serialize<DStaticEventHandler>(arc, nullptr, handlers[i], nullptr);
+			}
+		}
+
+		if (arc.isReading())
+		{
+			// add all newly deserialized handlers into the list
+			for (int i = 0; i < numlocalhandlers; i++)
+				E_RegisterHandler(handlers[i]);
+		}
+
+		arc.EndArray();
+	}
 }
 
 static void E_InitStaticHandler(PClass* type, FString typestring, bool map)
@@ -124,23 +171,17 @@ void E_InitStaticHandlers(bool map)
 	}
 }
 
-void E_MapLoaded()
-{
-	for (DStaticEventHandler* handler = E_FirstEventHandler; handler; handler = handler->next)
-		handler->MapLoaded();
+#define DEFINE_EVENT_LOOPER(name) void E_##name() \
+{ \
+	for (DStaticEventHandler* handler = E_FirstEventHandler; handler; handler = handler->next) \
+		handler->name(); \
 }
 
-void E_MapUnloading()
-{
-	for (DStaticEventHandler* handler = E_FirstEventHandler; handler; handler = handler->next)
-		handler->MapUnloading();
-}
-
-void E_RenderFrame()
-{
-	for (DStaticEventHandler* handler = E_FirstEventHandler; handler; handler = handler->next)
-		handler->RenderFrame();
-}
+DEFINE_EVENT_LOOPER(WorldLoaded)
+DEFINE_EVENT_LOOPER(WorldUnloading)
+DEFINE_EVENT_LOOPER(WorldLoadedUnsafe)
+DEFINE_EVENT_LOOPER(WorldUnloadingUnsafe)
+DEFINE_EVENT_LOOPER(RenderFrame)
 
 // declarations
 IMPLEMENT_CLASS(DStaticEventHandler, false, false);
@@ -230,15 +271,17 @@ void cls::funcname(args) \
 	} \
 }
 
-DEFINE_EVENT_HANDLER(DStaticEventHandler, MapLoaded,)
-DEFINE_EVENT_HANDLER(DStaticEventHandler, MapUnloading,)
-DEFINE_EVENT_HANDLER(DStaticEventHandler, RenderFrame,)
+DEFINE_EVENT_HANDLER(DStaticEventHandler, WorldLoaded,)
+DEFINE_EVENT_HANDLER(DStaticEventHandler, WorldUnloading,)
+DEFINE_EVENT_HANDLER(DStaticEventHandler, WorldLoadedUnsafe, )
+DEFINE_EVENT_HANDLER(DStaticEventHandler, WorldUnloadingUnsafe, )
+DEFINE_EVENT_HANDLER(DStaticEventHandler, RenderFrame, )
 
 //
 void DStaticEventHandler::OnDestroy()
 {
 	E_UnregisterHandler(this);
-	DObject::OnDestroy();
+	Super::OnDestroy();
 }
 
 void DStaticRenderEventHandler::Setup()
@@ -254,6 +297,5 @@ void DStaticRenderEventHandler::Setup()
 void DStaticRenderEventHandler::RenderFrame()
 {
 	Setup();
-	DStaticEventHandler::RenderFrame();
+	Super::RenderFrame();
 }
-

src/events.h

@@ -18,9 +18,13 @@ bool E_IsStaticType(PClass* type);
 void E_InitStaticHandlers(bool map);
 
 // called right after the map has loaded (approximately same time as OPEN ACS scripts)
-void E_MapLoaded();
+void E_WorldLoaded();
 // called when the map is about to unload (approximately same time as UNLOADING ACS scripts)
-void E_MapUnloading();
+void E_WorldUnloading();
+// called right after the map has loaded (every time, UNSAFE VERSION)
+void E_WorldLoadedUnsafe();
+// called right before the map is unloaded (every time, UNSAFE VERSION)
+void E_WorldUnloadingUnsafe();
 // called on each render frame once.
 void E_RenderFrame();
 
@@ -38,17 +42,28 @@ public:
 	bool isMapScope; // this is only used with IsStatic=true
 	virtual bool IsStatic() { return true; }
 
+	// serialization handler. let's keep it here so that I don't get lost in serialized/not serialized fields
+	void Serialize(FSerializer& arc) override
+	{
+		Super::Serialize(arc);
+		if (arc.isReading())
+		{
+			Printf("DStaticEventHandler::Serialize: reading object %s\n", GetClass()->TypeName.GetChars());
+		}
+		else
+		{
+			Printf("DStaticEventHandler::Serialize: store object %s\n", GetClass()->TypeName.GetChars());
+		}
+		/* do nothing */
+	}
+
 	// destroy handler. this unlinks EventHandler from the list automatically.
 	void OnDestroy() override;
 
-	// this checks if we are /actually/ static, using DObject dynamic typing system.
-	static bool IsActuallyStatic(PClass* type);
-
-	// called right after the map has loaded (approximately same time as OPEN ACS scripts)
-	virtual void MapLoaded();
-	// called when the map is about to unload (approximately same time as UNLOADING ACS scripts)
-	virtual void MapUnloading();
-	// called on each render frame once.
+	virtual void WorldLoaded();
+	virtual void WorldUnloading();
+	virtual void WorldLoadedUnsafe();
+	virtual void WorldUnloadingUnsafe();
 	virtual void RenderFrame();
 };
 class DEventHandler : public DStaticEventHandler
@@ -71,6 +86,18 @@ public:
 	double FracTic; // 0..1 value that describes where we are inside the current gametic, render-wise.
 	AActor* Camera;
 
+	// serialization handler for our local stuff
+	void Serialize(FSerializer& arc) override
+	{
+		Super::Serialize(arc);
+		arc("ViewPos", ViewPos);
+		arc("ViewAngle", ViewAngle);
+		arc("ViewPitch", ViewPitch);
+		arc("ViewRoll", ViewRoll);
+		arc("FracTic", FracTic);
+		arc("Camera", Camera);
+	}
+
 	void RenderFrame() override;
 
 private:

src/g_level.cpp

@@ -407,6 +407,10 @@ void G_InitNew (const char *mapname, bool bTitleLevel)
 	bool wantFast;
 	int i;
 
+	// did we have any level before?
+	if (level.info != nullptr)
+		E_WorldUnloadingUnsafe();
+
 	if (!savegamerestore)
 	{
 		G_ClearHubInfo();
@@ -656,7 +660,10 @@ void G_ChangeLevel(const char *levelname, int position, int flags, int nextSkill
 	// [RH] Give scripts a chance to do something
 	unloading = true;
 	FBehavior::StaticStartTypedScripts (SCRIPT_Unloading, NULL, false, 0, true);
-	E_MapUnloading();
+	// [ZZ] safe world unload
+	E_WorldUnloading();
+	// [ZZ] unsafe world unload (changemap != map)
+	E_WorldUnloadingUnsafe();
 	unloading = false;
 
 	STAT_ChangeLevel(nextlevel);
@@ -1068,8 +1075,8 @@ void G_DoLoadLevel (int position, bool autosave)
 	StatusBar->AttachToPlayer (&players[consoleplayer]);
 	// [ZZ] init per-map static handlers
 	E_InitStaticHandlers(true);
-	//      call map load hook
-	E_MapLoaded();
+	//      unsafe world load
+	E_WorldLoadedUnsafe();
 	P_DoDeferedScripts ();	// [RH] Do script actions that were triggered on another map.
 	
 	if (demoplayback || oldgs == GS_STARTUP || oldgs == GS_TITLELEVEL)

src/p_spec.cpp

@@ -1443,6 +1443,8 @@ void P_SpawnSpecials (void)
 			break;
 		}
 	}
+	// [ZZ] safe world load
+	E_WorldLoaded();
 	// [RH] Start running any open scripts on this map
 	FBehavior::StaticStartTypedScripts (SCRIPT_Open, NULL, false);
 }

src/scripting/thingdef_data.cpp

@@ -945,7 +945,7 @@ DEFINE_ACTION_FUNCTION(FStringStruct, Replace)
 	return 0;
 }
 
-static FString FStringFormat(VM_ARGS)
+FString FStringFormat(VM_ARGS)
 {
 	assert(param[0].Type == REGT_STRING);
 	FString fmtstring = param[0].s().GetChars();

wadsrc/static/zscript/base.txt

@@ -41,6 +41,7 @@ struct Console native
 {
 	native static void HideConsole();
 	native static void MidPrint(string fontname, string textlabel, bool bold = false);	// always uses the stringtable.
+    native static vararg void Printf(string fmt, ...);
 }
 
 struct DamageTypeDefinition native

wadsrc/static/zscript/events.txt

@@ -1,12 +1,11 @@
 class StaticEventHandler : Object native
 {
-	virtual native void MapLoaded();
-	virtual native void MapUnloading();
+	virtual native void WorldLoaded();
+    virtual native void WorldLoadedUnsafe();
+	virtual native void WorldUnloading();
+    virtual native void WorldUnloadingUnsafe();
 
 	virtual native void RenderFrame();
-	virtual native void RenderCamera();
-	virtual native void RenderBeforeThing();
-	virtual native void RenderAfterThing();
 }
 
 class StaticRenderEventHandler : StaticEventHandler native
@@ -17,10 +16,7 @@ class StaticRenderEventHandler : StaticEventHandler native
 	native readonly double ViewPitch;
 	native readonly double ViewRoll;
 	native readonly double FracTic;
-	// for camera
 	native readonly Actor Camera;
-	// for thing
-	native readonly Actor CurrentThing;
 }
 
 class EventHandler : StaticEventHandler native