Added weapon interpolation.

src/d_player.h

@@ -427,6 +427,7 @@ public:
 	short		fixedcolormap;			// can be set to REDCOLORMAP, etc.
 	short		fixedlightlevel;
 	pspdef_t	psprites[NUMPSPRITES];	// view sprites (gun, etc)
+	TObjPtr<DInterpolation>	pspinterp[NUMPSPRITES];		// view sprite interpolations
 	int			morphTics;				// player is a chicken/pig if > 0
 	const PClass *MorphedPlayerClass;		// [MH] (for SBARINFO) class # for this player instance when morphed
 	int			MorphStyle;				// which effects to apply for this player instance when morphed

src/g_game.cpp

@@ -1726,6 +1726,15 @@ void G_DoPlayerPop(int playernum)
 		players[playernum].mo = NULL;
 		players[playernum].camera = NULL;
 	}
+	// Now's the ideal time to remove his psprite interpolations.
+	for (int ii = 0; ii < NUMPSPRITES; ii++)
+	{
+		if (players[playernum].psprites[ii].interpolation != NULL)
+		{
+			players[playernum].psprites[ii].StopInterpolation();
+			players[playernum].pspinterp[ii] = NULL;
+		}
+	}
 	// [RH] Let the scripts know the player left
 	FBehavior::StaticStartTypedScripts(SCRIPT_Disconnect, NULL, true, playernum);
 }

src/p_pspr.cpp

@@ -1104,11 +1104,32 @@ void P_MovePsprites (player_t *player)
 			P_CheckWeaponZoom (player);
 		}
 	}
+
+	psp = &player->psprites[0];
+	for (i = 0; i < NUMPSPRITES; i++, psp++)
+	{
+		if (psp->state == NULL)
+		{
+			if (psp->interpolation != NULL)
+			{
+				player->pspinterp[i] = NULL;
+				psp->StopInterpolation();
+			}
+		}
+		else if (psp->interpolation == NULL)
+		{
+			player->pspinterp[i] = psp->SetInterpolation(player - players, i);
+		}
+	}
 }
 
 FArchive &operator<< (FArchive &arc, pspdef_t &def)
 {
 	arc << def.state << def.tics << def.sx << def.sy
 		<< def.sprite << def.frame;
+
+		if (SaveVersion >= 4525)
+			arc << def.interpolation;
+
 	return arc;
 }

src/p_pspr.h

@@ -26,6 +26,7 @@
 // Basic data types.
 // Needs fixed point, and BAM angles.
 #include "tables.h"
+#include "r_data/r_interpolate.h"
 #include "thingdef/thingdef.h"
 
 #define WEAPONBOTTOM			128*FRACUNIT
@@ -71,6 +72,11 @@ struct pspdef_t
 	int			sprite;
 	int			frame;
 	bool		processPending; // true: waiting for periodic processing on this tick
+
+	TObjPtr<DInterpolation>	interpolation;
+	DInterpolation			*SetInterpolation(int player, int position);
+	void					UpdateInterpolation(int player);
+	void					StopInterpolation();
 };
 
 class FArchive;

src/p_saveg.cpp

@@ -297,6 +297,11 @@ static void CopyPlayer (player_t *dst, player_t *src, const char *name)
 	{
 		dst->mo->player = dst;
 	}
+	// Fix the psprite interpolation pointers too.
+	for (int i = 0; i < NUMPSPRITES; i++)
+	{
+		dst->psprites[i].UpdateInterpolation(dst - players);
+	}
 	// These 2 variables may not be overwritten.
 	dst->attackdown = attackdown;
 	dst->usedown = usedown;

src/p_user.cpp

@@ -316,6 +316,7 @@ player_t::player_t()
 	memset (&cmd, 0, sizeof(cmd));
 	memset (frags, 0, sizeof(frags));
 	memset (psprites, 0, sizeof(psprites));
+	memset (pspinterp, 0, sizeof(pspinterp));
 }
 
 player_t &player_t::operator=(const player_t &p)
@@ -371,6 +372,7 @@ player_t &player_t::operator=(const player_t &p)
 	fixedcolormap = p.fixedcolormap;
 	fixedlightlevel = p.fixedlightlevel;
 	memcpy(psprites, &p.psprites, sizeof(psprites));
+	memcpy(pspinterp, &p.pspinterp, sizeof(pspinterp));
 	morphTics = p.morphTics;
 	MorphedPlayerClass = p.MorphedPlayerClass;
 	MorphStyle = p.MorphStyle;
@@ -435,6 +437,10 @@ size_t player_t::FixPointers (const DObject *old, DObject *rep)
 	if (*&ConversationNPC == old)	ConversationNPC = replacement, changed++;
 	if (*&ConversationPC == old)	ConversationPC = replacement, changed++;
 	if (*&MUSINFOactor == old)		MUSINFOactor = replacement, changed++;
+
+	for (int i = 0; i < NUMPSPRITES; i++)
+		if (*&pspinterp[i] == old)	pspinterp[i] = static_cast<DInterpolation *>(rep), changed++;
+
 	return changed;
 }
 
@@ -454,6 +460,11 @@ size_t player_t::PropagateMark()
 	{
 		GC::Mark(PendingWeapon);
 	}
+	for (int i = 0; i < NUMPSPRITES; i++)
+	{
+		GC::Mark(pspinterp[i]);
+	}
+
 	return sizeof(*this);
 }
 
@@ -3049,7 +3060,11 @@ void player_t::Serialize (FArchive &arc)
 	for (i = 0; i < MAXPLAYERS; i++)
 		arc << frags[i];
 	for (i = 0; i < NUMPSPRITES; i++)
+	{
 		arc << psprites[i];
+		if (SaveVersion >= 4525)
+			arc << pspinterp[i];
+	}
 
 	arc << CurrentPlayerClass;
 

src/r_data/r_interpolate.cpp

@@ -151,6 +151,35 @@ public:
 };
 
 
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+class DPSpriteInterpolation : public DInterpolation
+{
+	DECLARE_CLASS(DPSpriteInterpolation, DInterpolation)
+
+	pspdef_t *psp;
+	int player, position;
+	fixed_t oldx, oldy;
+	fixed_t bakx, baky;
+	fixed_t ofsx, ofsy;
+	fixed_t nfsx, nfsy;
+
+public:
+
+	DPSpriteInterpolation() {}
+	DPSpriteInterpolation(pspdef_t *psp, int player, int position);
+	void UpdatePointer(int player);
+	void Destroy();
+	void UpdateInterpolation();
+	void Restore();
+	void Interpolate(fixed_t smoothratio);
+	void Serialize(FArchive &arc);
+};
+
 //==========================================================================
 //
 //
@@ -162,6 +191,7 @@ IMPLEMENT_CLASS(DSectorPlaneInterpolation)
 IMPLEMENT_CLASS(DSectorScrollInterpolation)
 IMPLEMENT_CLASS(DWallScrollInterpolation)
 IMPLEMENT_CLASS(DPolyobjInterpolation)
+IMPLEMENT_CLASS(DPSpriteInterpolation)
 
 //==========================================================================
 //
@@ -628,7 +658,6 @@ void DSectorScrollInterpolation::Serialize(FArchive &arc)
 	arc << sector << ceiling << oldx << oldy;
 }
 
-
 //==========================================================================
 //
 //
@@ -824,6 +853,115 @@ void DPolyobjInterpolation::Serialize(FArchive &arc)
 	if (arc.IsLoading()) bakverts.Resize(oldverts.Size());
 }
 
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+DPSpriteInterpolation::DPSpriteInterpolation(pspdef_t *_psp, int _player, int _position)
+: nfsx(0), nfsy(0), ofsx(0), ofsy(0)
+{
+	psp = _psp;
+	player = _player;
+	position = _position;
+	UpdateInterpolation ();
+	interpolator.AddInterpolation(this);
+}
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+void DPSpriteInterpolation::UpdatePointer(int _player)
+{
+	player = _player;
+	psp = &players[player].psprites[position];
+}
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+void DPSpriteInterpolation::Destroy()
+{
+	psp->interpolation = NULL;
+	Super::Destroy();
+}
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+void DPSpriteInterpolation::UpdateInterpolation()
+{
+	if ( position == ps_weapon )
+		P_BobWeapon( &players[player], psp, &ofsx, &ofsy );
+
+	oldx = psp->sx + ofsx;
+	oldy = psp->sy + ofsy;
+}
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+void DPSpriteInterpolation::Restore()
+{
+	psp->sx = bakx - nfsx;
+	psp->sy = baky - nfsy;
+}
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+void DPSpriteInterpolation::Interpolate(fixed_t smoothratio)
+{
+	if ( position == ps_weapon )
+		P_BobWeapon( &players[player], psp, &nfsx, &nfsy );
+
+	bakx = psp->sx + nfsx;
+	baky = psp->sy + nfsy;
+
+	psp->sx = oldx + FixedMul(bakx - oldx, smoothratio) - nfsx;
+	psp->sy = oldy + FixedMul(baky - oldy, smoothratio) - nfsy;
+}
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+void DPSpriteInterpolation::Serialize(FArchive &arc)
+{
+	Super::Serialize(arc);
+	arc << player << position << oldx << oldy << ofsx << ofsy;
+	UpdatePointer(player);
+}
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
 
 //==========================================================================
 //
@@ -944,6 +1082,63 @@ void FPolyObj::StopInterpolation()
 	}
 }
 
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+DInterpolation *pspdef_t::SetInterpolation(int player, int position)
+{
+	if (interpolation == NULL)
+	{
+		interpolation = new DPSpriteInterpolation(this, player, position);
+	}
+	interpolation->AddRef();
+	GC::WriteBarrier(interpolation);
+	return interpolation;
+}
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+void pspdef_t::UpdateInterpolation(int player)
+{
+	if (interpolation != NULL)
+	{
+		DInterpolation *pointer = interpolation;
+		static_cast<DPSpriteInterpolation *>(pointer)->UpdatePointer(player);
+	}
+}
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+void pspdef_t::StopInterpolation()
+{
+	if (interpolation != NULL)
+	{
+		interpolation->DelRef();
+	}
+}
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
+
+//==========================================================================
+//
+//
+//
+//==========================================================================
 
 ADD_STAT (interpolations)
 {
@@ -951,5 +1146,3 @@ ADD_STAT (interpolations)
 	out.Format ("%d interpolations", interpolator.CountInterpolations ());
 	return out;
 }
-
-

src/version.h

@@ -76,7 +76,7 @@ const char *GetVersionString();
 
 // Use 4500 as the base git save version, since it's higher than the
 // SVN revision ever got.
-#define SAVEVER 4524
+#define SAVEVER 4525
 
 #define SAVEVERSTRINGIFY2(x) #x
 #define SAVEVERSTRINGIFY(x) SAVEVERSTRINGIFY2(x)