- Duke: fix management of killit_flag.

This cannot be in the actor because event scripts can be called without a valid actor.
It is now part of the parse state, but execute allows returning it to the caller, which is needed in one place.

source/games/duke/src/actors.cpp

@@ -50,9 +50,9 @@ This file is a combination of code from the following sources:
 BEGIN_DUKE_NS
 
 
-void moveactor(DDukeActor* actor, int p, double pdist)
+void moveactor(DDukeActor* actor, int p, double pdist, const int killit_flag)
 {
-	if (actor->killit_flag == 1)
+	if (killit_flag == 1)
 	{
 		// if player was set to squish, first stop that..
 		if (ps[p].actorsqu == actor)
@@ -131,8 +131,8 @@ void TickActor(DDukeActor* self)
 				self->curframe = 0;
 		}
 
-		self->killit_flag = 0;
+		int killit_flag = 0;
-		bool conres = execute(self, p, pdist);
+		bool conres = execute(self, p, pdist, &killit_flag);
 		if (!conres && (self->flags4 & SFLAG4_CONOVERRIDE))
 		{
 			self->flags4 |= SFLAG4_INRUNSTATE;
@@ -145,6 +145,7 @@ void TickActor(DDukeActor* self)
 				}
 				catch(const CDukeKillEvent& ev)
 				{ 
+					killit_flag = 1;
 					if (ev.Type() == 1)
 					{
 						self->Destroy();
@@ -156,7 +157,7 @@ void TickActor(DDukeActor* self)
 			conres = true;
 		}
 		// moveactor gets only called for actors with a scripted runner.
-		if (conres) moveactor(self, p, pdist);
+		if (conres) moveactor(self, p, pdist, killit_flag);
 	}
 }
 

source/games/duke/src/funct.h

@@ -175,7 +175,7 @@ DDukeActor* LocateTheLocator(int n, sectortype* sectnum);
 void clearcamera(player_struct* ps);
 
 void LoadActor(DDukeActor* i, int p, int x);
-bool execute(DDukeActor* s, int p, double d);
+bool execute(DDukeActor* s, int p, double d, int* killit_flag = nullptr);
 void makeitfall(DDukeActor* s);
 DAngle furthestangle(DDukeActor* snum, int angDiv);
 void getglobalz(DDukeActor* s);

source/games/duke/src/gameexec.cpp

@@ -68,6 +68,7 @@ enum playeraction_t {
 
 struct ParseState
 {
+	int killit_flag;
 	int g_p;
 	int g_x;
 	DDukeActor *g_ac;
@@ -1473,7 +1474,7 @@ int ParseState::parse(void)
 {
 	int j, l;
 
-	if(g_ac->killit_flag) return 1;
+	if(killit_flag) return 1;
 
 	switch (*insptr)
 	{
@@ -1779,7 +1780,7 @@ int ParseState::parse(void)
 		return 1;
 	case concmd_addammo:
 		insptr++;
-		if (!playeraddammo(&ps[g_p], *insptr, *(insptr + 1))) g_ac->killit_flag = 2;
+		if (!playeraddammo(&ps[g_p], *insptr, *(insptr + 1))) killit_flag = 2;
 		insptr += 2;
 		break;
 	case concmd_money:
@@ -1813,11 +1814,11 @@ int ParseState::parse(void)
 		break;
 	case concmd_killit:
 		insptr++;
-		g_ac->killit_flag = 1;
+		killit_flag = 1;
 		break;
 	case concmd_addweapon:
 		insptr++;
-		if (!playeraddweapon(&ps[g_p], *insptr, *(insptr + 1))) g_ac->killit_flag = 2;
+		if (!playeraddweapon(&ps[g_p], *insptr, *(insptr + 1))) killit_flag = 2;
 		insptr+=2;
 		break;
 	case concmd_debug:
@@ -3157,7 +3158,7 @@ int ParseState::parse(void)
 	default:
 		Printf(TEXTCOLOR_RED "Unrecognized PCode of %d  in parse.  Killing current sprite.\n",*insptr);
 		Printf(TEXTCOLOR_RED "Offset=%0X\n",int(insptr-ScriptCode.Data()));
-		g_ac->killit_flag = 1;
+		killit_flag = 1;
 		break;
 	}
 	return 0;
@@ -3179,6 +3180,7 @@ void LoadActor(DDukeActor *actor, int p, int x)
 	s.g_p = p;	// Player ID
 	s.g_x = x;	// ??
 	s.g_ac = actor;
+	s.killit_flag = 0;
 
 	if ((actor->flags4 & SFLAG4_CONOVERRIDE) && overridecon) return;
 	auto coninf = actor->conInfo();
@@ -3186,7 +3188,6 @@ void LoadActor(DDukeActor *actor, int p, int x)
 	auto addr = coninf->loadeventscriptptr;
 	if (addr == 0) return;
 
-	actor->killit_flag = 0;
 
 	if(!actor->insector())
 	{
@@ -3197,7 +3198,7 @@ void LoadActor(DDukeActor *actor, int p, int x)
 		done = s.parse();
 	while (done == 0);
 
-	if (actor->killit_flag == 1)
+	if (s.killit_flag == 1)
 	{
 		actor->Destroy();
 	}
@@ -3209,8 +3210,9 @@ void LoadActor(DDukeActor *actor, int p, int x)
 //
 //---------------------------------------------------------------------------
 
-bool execute(DDukeActor *actor,int p,double pdist)
+bool execute(DDukeActor *actor,int p,double pdist, int* killit_flag)
 {
+	if (killit_flag) *killit_flag = 0;
 	if ((actor->flags4 & SFLAG4_CONOVERRIDE) && overridecon) return false;
 
 	auto coninf = actor->conInfo();
@@ -3221,12 +3223,15 @@ bool execute(DDukeActor *actor,int p,double pdist)
 	s.g_p = p;	// Player ID
 	s.g_x = int(pdist / maptoworld);	// ??
 	s.g_ac = actor;
+	s.killit_flag = 0;
 	s.insptr = coninf? &ScriptCode[4 + coninf->scriptaddress] : nullptr;
 
 	int done;
 	do
 		done = s.parse();
 	while( done == 0 );
+	if (killit_flag) *killit_flag = s.killit_flag;
+
 
 	return true;
 }
@@ -3259,7 +3264,7 @@ void OnEvent(int iEventID, int p, DDukeActor *actor, int x)
 
 	s.insptr = &ScriptCode[apScriptGameEvent[iEventID]];
 
-	actor->killit_flag = 0;
+	s.killit_flag = 0;
 	do
 		done = s.parse();
 	while (done == 0);

source/games/duke/src/types.h

@@ -79,7 +79,6 @@ public:
 	short tempval, basepicnum;
 	unsigned short timetosleep;
 	bool mapSpawned;
-	uint8_t killit_flag;
 	DVector2 ovel;
 	DAngle hitang;
 	double floorz, ceilingz;

source/games/duke/src/vmexports.cpp

@@ -301,7 +301,6 @@ DEFINE_FIELD(DDukeActor, curAction)
 DEFINE_FIELD(DDukeActor, curMove)
 DEFINE_FIELD(DDukeActor, curAI)
 DEFINE_FIELD(DDukeActor, actioncounter)
-//DEFINE_FIELD(DDukeActor, killit_flag)
 
 void TickActor(DDukeActor*);
 DEFINE_ACTION_FUNCTION(DDukeActor, Tick)

wadsrc/static/filter/nam/rmapinfo.spawnclasses

@@ -1,6 +1,5 @@
 spawnclasses
 {
-	2556 = NamShrinker
 	2533 = NamShell, noskill
 	2535 = NamShotgunShell, noskill
 }

wadsrc/static/filter/ww2gi/rmapinfo.spawnclasses

@@ -1,6 +1,5 @@
 spawnclasses
 {
-	2556 = NamShrinker
 	2533 = NamShell, noskill
 	2535 = NamShotgunShell, noskill
 	2595 = WW2GIShotSpark, noskill

wadsrc/static/zscript/games/duke/dukeactor.zs

@@ -317,7 +317,6 @@ class DukeActor : CoreActor native
 	native ActorMove curMove;
 	native Name curAI;
 	native int16 actioncounter;
-	//native uint8 killit_flag;
 
 	// flags are implemented natively to avoid the prefixes.