- Duke: Leverage new spritetype methods within Duke, removing bposx/bposy/bposz from hittype.

source/games/duke/src/actors.cpp

@@ -415,16 +415,14 @@ void moveplayers(void)
 		auto p = &ps[pn];
 		auto spri = &act->s;
 
-		// Back up player's sprite angle, used in DrawAutomapPlayer() when input is synchronised.
-		act->tempang = spri->ang;
-
 		if (act->GetOwner())
 		{
 			if (p->newOwner != nullptr) //Looking thru the camera
 			{
 				spri->x = p->oposx;
 				spri->y = p->oposy;
-				act->bposz = spri->z = p->oposz + gs.playerheight;
+				spri->z = p->oposz + gs.playerheight;
+				spri->backupz();
 				spri->ang = p->angle.oang.asbuild();
 				setsprite(act, spri->pos);
 			}
@@ -503,9 +501,7 @@ void moveplayers(void)
 				continue;
 			}
 
-			act->bposx = spri->x;
+			spri->backuppos();
-			act->bposy = spri->y;
-			act->bposz = spri->z;
 
 			spri->cstat = 0;
 
@@ -811,9 +807,7 @@ void movecrane(DDukeActor *actor, int crane)
 		{
 			setsprite(Owner, spri->pos);
 
-			Owner->bposx = spri->x;
+			Owner->s.opos = spri->pos;
-			Owner->bposy = spri->y;
-			Owner->bposz = spri->z;
 
 			spri->zvel = 0;
 		}
@@ -1081,7 +1075,8 @@ void movewaterdrip(DDukeActor *actor, int drip)
 			}
 			else
 			{
-				actor->bposz = s->z = t[0];
+				s->z = t[0];
+				s->backupz();
 				t[1] = 48 + (krand() & 31);
 			}
 		}
@@ -2015,9 +2010,6 @@ void camera(DDukeActor *actor)
 				return;
 			}
 		}
-
-		// backup current angle for interpolating camera angle.
-		actor->tempang = s->ang;
 		
 		if (s->hitag > 0)
 		{
@@ -2972,8 +2964,7 @@ void handle_se14(DDukeActor* actor, bool checkstat, int RPG, int JIBS6)
 
 				if (numplayers > 1)
 				{
-					a2->bposx = sj->x;
+					sj->backupvec2();
-					a2->bposy = sj->y;
 				}
 			}
 		}
@@ -3083,8 +3074,7 @@ void handle_se30(DDukeActor *actor, int JIBS6)
 				{
 					if (a2->s.picnum != SECTOREFFECTOR && a2->s.picnum != LOCATORS)
 					{
-						a2->bposx = a2->s.x;
+						a2->s.backupvec2();
-						a2->bposy = a2->s.y;
 					}
 				}
 
@@ -3150,8 +3140,7 @@ void handle_se30(DDukeActor *actor, int JIBS6)
 			{
 				if (numplayers < 2)
 				{
-					a2->bposx = spa2->x;
+					spa2->backupvec2();
-					a2->bposy = spa2->y;
 				}
 
 				spa2->x += l;
@@ -3159,8 +3148,7 @@ void handle_se30(DDukeActor *actor, int JIBS6)
 
 				if (numplayers > 1)
 				{
-					a2->bposx = spa2->x;
+					spa2->backupvec2();
-					a2->bposy = spa2->y;
 				}
 			}
 		}
@@ -3995,7 +3983,7 @@ void handle_se17(DDukeActor* actor)
 		}
 		if (act1->s.statnum != STAT_EFFECTOR)
 		{
-			act1->bposz = act1->s.z;
+			act1->s.backupz();
 			act1->s.z += q;
 		}
 
@@ -4065,9 +4053,7 @@ void handle_se17(DDukeActor* actor)
 				spr3->y += spr2->y - s->y;
 				spr3->z = sector[spr2->sectnum].floorz - (sc->floorz - spr3->z);
 
-				act3->bposx = spr3->x;
+				spr3->backuppos();
-				act3->bposy = spr3->y;
-				act3->bposz = spr3->z;
 
 				changespritesect(act3, spr2->sectnum);
 				setsprite(act3, spr3->pos);
@@ -4119,7 +4105,8 @@ void handle_se18(DDukeActor *actor, bool morecheck)
 							if (ps[a2->PlayerIndex()].on_ground == 1) ps[a2->PlayerIndex()].posz += sc->extra;
 						if (a2->s.zvel == 0 && a2->s.statnum != STAT_EFFECTOR && a2->s.statnum != STAT_PROJECTILE)
 						{
-							a2->bposz = a2->s.z += sc->extra;
+							a2->s.z += sc->extra;
+							a2->s.backupz();
 							a2->floorz = sc->floorz;
 						}
 					}
@@ -4156,7 +4143,8 @@ void handle_se18(DDukeActor *actor, bool morecheck)
 							if (ps[a2->PlayerIndex()].on_ground == 1) ps[a2->PlayerIndex()].posz -= sc->extra;
 						if (a2->s.zvel == 0 && a2->s.statnum != STAT_EFFECTOR && a2->s.statnum != STAT_PROJECTILE)
 						{
-							a2->bposz = a2->s.z -= sc->extra;
+							a2->s.z -= sc->extra;
+							a2->s.backupz();
 							a2->floorz = sc->floorz;
 						}
 					}
@@ -4442,8 +4430,7 @@ void handle_se26(DDukeActor* actor)
 	{
 		if (a2->s.statnum != 3 && a2->s.statnum != 10)
 		{
-			a2->bposx = a2->s.x;
+			a2->s.backupvec2();
-			a2->bposy = a2->s.y;
 
 			a2->s.x += l;
 			a2->s.y += x;
@@ -4579,8 +4566,7 @@ void handle_se24(DDukeActor *actor, int16_t *list1, int16_t *list2, int TRIPBOMB
 				{
 					if (s2->z > (a2->floorz - (16 << 8)))
 					{
-						a2->bposx = s2->x;
+						s2->backupvec2();
-						a2->bposy = s2->y;
 
 						s2->x += x >> shift;
 						s2->y += l >> shift;
@@ -5395,9 +5381,7 @@ void recordoldspritepos()
 		DukeStatIterator it(statNum);
 		while (auto ac = it.Next())
 		{
-			ac->bposx = ac->s.x;
+			ac->s.backuploc();
-			ac->bposy = ac->s.y;
-			ac->bposz = ac->s.z;
 		}
 	}
 }

source/games/duke/src/actors_d.cpp

@@ -2075,9 +2075,7 @@ void movetransports_d(void)
 							ps[p].oposz = ps[p].posz;
 							
 							auto pa = ps[p].GetActor();
-							pa->bposx = ps[p].posx;
+							pa->s.opos = ps[p].pos;
-							pa->bposy = ps[p].posy;
-							pa->bposz = ps[p].posz;
 							
 							changespritesect(act2, Owner->s.sectnum);
 							ps[p].cursectnum = Owner->s.sectnum;
@@ -2240,9 +2238,7 @@ void movetransports_d(void)
 									spr2->z -= spr->z - sector[Owner->s.sectnum].floorz;
 									spr2->ang = Owner->s.ang;
 									
-									act2->bposx = spr2->x;
+									spr2->backuppos();
-									act2->bposy = spr2->y;
-									act2->bposz = spr2->z;
 									
 									if (spr->pal == 0)
 									{
@@ -2268,9 +2264,7 @@ void movetransports_d(void)
 								spr2->y += (Owner->s.y - spr->y);
 								spr2->z = Owner->s.z + 4096;
 								
-								act2->bposx = spr2->x;
+								spr2->backuppos();
-								act2->bposy = spr2->y;
-								act2->bposz = spr2->z;
 								
 								changespritesect(act2, Owner->s.sectnum);
 							}
@@ -2280,9 +2274,7 @@ void movetransports_d(void)
 							spr2->y += (Owner->s.y - spr->y);
 							spr2->z = sector[Owner->s.sectnum].ceilingz + ll;
 							
-							act2->bposx = spr2->x;
+							spr2->backuppos();
-							act2->bposy = spr2->y;
-							act2->bposz = spr2->z;
 							
 							changespritesect(act2, Owner->s.sectnum);
 							
@@ -2292,9 +2284,7 @@ void movetransports_d(void)
 							spr2->y += (Owner->s.y - spr->y);
 							spr2->z = sector[Owner->s.sectnum].floorz - ll;
 							
-							act2->bposx = spr2->x;
+							spr2->backuppos();
-							act2->bposy = spr2->y;
-							act2->bposz = spr2->z;
 							
 							changespritesect(act2, Owner->s.sectnum);
 							
@@ -3849,10 +3839,9 @@ void move_d(DDukeActor *actor, int playernum, int xvel)
 
 	if (t[1] == 0 || a == 0)
 	{
-		if ((badguy(actor) && spr->extra <= 0) || (actor->bposx != spr->x) || (actor->bposy != spr->y))
+		if ((badguy(actor) && spr->extra <= 0) || (spr->ox != spr->x) || (spr->oy != spr->y))
 		{
-			actor->bposx = spr->x;
+			spr->backupvec2();
-			actor->bposy = spr->y;
 			setsprite(actor, spr->pos);
 		}
 		return;
@@ -3957,7 +3946,7 @@ void move_d(DDukeActor *actor, int playernum, int xvel)
 			}
 			else if (spr->picnum != DRONE && spr->picnum != SHARK && spr->picnum != COMMANDER)
 			{
-				if (actor->bposz != spr->z || (ud.multimode < 2 && ud.player_skill < 2))
+				if (spr->oz != spr->z || (ud.multimode < 2 && ud.player_skill < 2))
 				{
 					if ((t[0] & 1) || ps[playernum].actorsqu == actor) return;
 					else daxvel <<= 1;

source/games/duke/src/actors_r.cpp

@@ -1846,9 +1846,7 @@ void movetransports_r(void)
 									spr2->z -= spr->z - sector[Owner->s.sectnum].floorz;
 									spr2->ang = Owner->s.ang;
 
-									act2->bposx = spr2->x;
+									spr2->backuppos();
-									act2->bposy = spr2->y;
-									act2->bposz = spr2->z;
 
 									auto beam = spawn(act, TRANSPORTERBEAM);
 									S_PlayActorSound(TELEPORTER, beam);
@@ -1871,9 +1869,7 @@ void movetransports_r(void)
 								spr2->y += (Owner->s.y - spr->y);
 								spr2->z = Owner->s.z + 4096;
 
-								act2->bposx = spr2->x;
+								spr2->backuppos();
-								act2->bposy = spr2->y;
-								act2->bposz = spr2->z;
 
 								changespritesect(act2, Owner->s.sectnum);
 							}
@@ -1883,9 +1879,7 @@ void movetransports_r(void)
 							spr2->y += (Owner->s.y - spr->y);
 							spr2->z = sector[Owner->s.sectnum].ceilingz + ll;
 
-							act2->bposx = spr2->x;
+							spr2->backuppos();
-							act2->bposy = spr2->y;
-							act2->bposz = spr2->z;
 
 							changespritesect(act2, Owner->s.sectnum);
 
@@ -1895,9 +1889,7 @@ void movetransports_r(void)
 							spr2->y += (Owner->s.y - spr->y);
 							spr2->z = sector[Owner->s.sectnum].floorz - ll;
 
-							act2->bposx = spr2->x;
+							spr2->backuppos();
-							act2->bposy = spr2->y;
-							act2->bposz = spr2->z;
 
 							changespritesect(act2, Owner->s.sectnum);
 
@@ -1909,9 +1901,7 @@ void movetransports_r(void)
 							spr2->y += (Owner->s.y - spr->y);
 							spr2->z = sector[Owner->s.sectnum].ceilingz + ll2;
 
-							act2->bposx = spr2->x;
+							spr2->backuppos();
-							act2->bposy = spr2->y;
-							act2->bposz = spr2->z;
 
 							changespritesect(act2, Owner->s.sectnum);
 
@@ -1925,9 +1915,7 @@ void movetransports_r(void)
 							spr2->y += (Owner->s.y - spr->y);
 							spr2->z = sector[Owner->s.sectnum].floorz - ll2;
 
-							act2->bposx = spr2->x;
+							spr2->backuppos();
-							act2->bposy = spr2->y;
-							act2->bposz = spr2->z;
 
 							changespritesect(act2, Owner->s.sectnum);
 
@@ -3810,10 +3798,9 @@ void move_r(DDukeActor *actor, int pnum, int xvel)
 
 	if (t[1] == 0 || a == 0)
 	{
-		if ((badguy(actor) && spr->extra <= 0) || (actor->bposx != spr->x) || (actor->bposy != spr->y))
+		if ((badguy(actor) && spr->extra <= 0) || (spr->ox != spr->x) || (spr->oy != spr->y))
 		{
-			actor->bposx = spr->x;
+			spr->backupvec2();
-			actor->bposy = spr->y;
 			setsprite(actor, spr->pos);
 		}
 		if (badguy(actor) && spr->extra <= 0)
@@ -3924,7 +3911,7 @@ void move_r(DDukeActor *actor, int pnum, int xvel)
 					(!isRRRA() && spr->picnum != DRONE && spr->picnum != SHARK && spr->picnum != UFO1_RR
 							&& spr->picnum != UFO2 && spr->picnum != UFO3 && spr->picnum != UFO4 && spr->picnum != UFO5))
 			{
-				if (actor->bposz != spr->z || (ud.multimode < 2 && ud.player_skill < 2))
+				if (spr->oz != spr->z || (ud.multimode < 2 && ud.player_skill < 2))
 				{
 					if ((t[0] & 1) || ps[pnum].actorsqu == actor) return;
 					else daxvel <<= 1;

source/games/duke/src/animatesprites_d.cpp

@@ -182,9 +182,7 @@ void animatesprites_d(int x, int y, int a, int smoothratio)
 		}
 		else if (s->picnum != CRANEPOLE)
 		{
-			t->x -= MulScale(MaxSmoothRatio - smoothratio, s->x - h->bposx, 16);
+			t->pos = s->interpolatedvec3(smoothratio);
-			t->y -= MulScale(MaxSmoothRatio - smoothratio, s->y - h->bposy, 16);
-			t->z -= MulScale(MaxSmoothRatio - smoothratio, s->z - h->bposz, 16);
 		}
 
 		sect = s->sectnum;

source/games/duke/src/animatesprites_r.cpp

@@ -170,9 +170,7 @@ void animatesprites_r(int x, int y, int a, int smoothratio)
 		}
 		else if (s->picnum != CRANEPOLE)
 		{
-			t->x -= MulScale(MaxSmoothRatio - smoothratio, s->x - h->bposx, 16);
+			t->pos = s->interpolatedvec3(smoothratio);
-			t->y -= MulScale(MaxSmoothRatio - smoothratio, s->y - h->bposy, 16);
-			t->z -= MulScale(MaxSmoothRatio - smoothratio, s->z - h->bposz, 16);
 		}
 
 		sect = s->sectnum;

source/games/duke/src/game_misc.cpp

@@ -559,9 +559,8 @@ bool GameInterface::DrawAutomapPlayer(int cposx, int cposy, int czoom, int cang,
 	{
 		auto act = ps[p].GetActor();
 		auto pspr = &act->s;
-		x1 = act->bposx + MulScale(pspr->x - act->bposx, smoothratio, 16) - cposx;
+		auto spos = pspr->interpolatedvec2(smoothratio);
-		y1 = act->bposy + MulScale(pspr->y - act->bposy, smoothratio, 16) - cposy;
+		daang = ((!SyncInput() ? pspr->ang : pspr->interpolatedang(smoothratio)) - cang) & 2047;
-		daang = ((!SyncInput() ? pspr->ang : act->tempang + MulScale(((pspr->ang + 1024 - act->tempang) & 2047) - 1024, smoothratio, 16)) - cang) & 2047;
 
 		if (p == screenpeek || ud.coop == 1)
 		{
@@ -577,7 +576,7 @@ bool GameInterface::DrawAutomapPlayer(int cposx, int cposy, int czoom, int cang,
 			if (j < 22000) j = 22000;
 			else if (j > (65536 << 1)) j = (65536 << 1);
 
-			DrawTexture(twod, tileGetTexture(i), xdim / 2. + x1 / 4096., ydim / 2. + y1 / 4096., DTA_TranslationIndex, TRANSLATION(Translation_Remap + setpal(&pp), pspr->pal), DTA_CenterOffset, true,
+			DrawTexture(twod, tileGetTexture(i), xdim / 2. + spos.x / 4096., ydim / 2. + spos.y / 4096., DTA_TranslationIndex, TRANSLATION(Translation_Remap + setpal(&pp), pspr->pal), DTA_CenterOffset, true,
 				DTA_Rotate, daang * (-360./2048), DTA_Color, shadeToLight(pspr->shade), DTA_ScaleX, j / 65536., DTA_ScaleY, j / 65536., TAG_DONE);
 		}
 	}

source/games/duke/src/gameexec.cpp

@@ -1314,16 +1314,16 @@ void DoActor(bool bSet, int lVar1, int lLabelID, int lVar2, DDukeActor* sActor,
 		else SetGameVarID((int)lVar2, act->lastvy, sActor, sPlayer);
 		break;
 	case ACTOR_HTBPOSX:
-		if (bSet) act->bposx = lValue;
+		if (bSet) spr->ox = lValue;
-		else SetGameVarID((int)lVar2, act->bposx, sActor, sPlayer);
+		else SetGameVarID((int)lVar2, spr->ox, sActor, sPlayer);
 		break;
 	case ACTOR_HTBPOSY:
-		if (bSet) act->bposy = lValue;
+		if (bSet) spr->oy = lValue;
-		else SetGameVarID((int)lVar2, act->bposy, sActor, sPlayer);
+		else SetGameVarID((int)lVar2, spr->oy, sActor, sPlayer);
 		break;
 	case ACTOR_HTBPOSZ:
-		if (bSet) act->bposz = lValue;
+		if (bSet) spr->oz = lValue;
-		else SetGameVarID((int)lVar2, act->bposz, sActor, sPlayer);
+		else SetGameVarID((int)lVar2, spr->oz, sActor, sPlayer);
 		break;
 	case ACTOR_HTG_T0:
 		if (bSet) act->temp_data[0] = lValue;
@@ -2229,9 +2229,10 @@ int ParseState::parse(void)
 		{
 			// I am not convinced this is even remotely smart to be executed from here..
 			pickrandomspot(g_p);
-			g_sp->x = g_ac->bposx = ps[g_p].bobposx = ps[g_p].oposx = ps[g_p].posx;
+			g_sp->x = ps[g_p].bobposx = ps[g_p].oposx = ps[g_p].posx;
-			g_sp->y = g_ac->bposy = ps[g_p].bobposy = ps[g_p].oposy = ps[g_p].posy;
+			g_sp->y = ps[g_p].bobposy = ps[g_p].oposy = ps[g_p].posy;
-			g_sp->z = g_ac->bposy = ps[g_p].oposz = ps[g_p].posz;
+			g_sp->z = ps[g_p].oposz = ps[g_p].posz;
+			g_sp->backuppos();
 			updatesector(ps[g_p].posx, ps[g_p].posy, &ps[g_p].cursectnum);
 			setsprite(ps[g_p].GetActor(), ps[g_p].posx, ps[g_p].posy, ps[g_p].posz + gs.playerheight);
 			g_sp->cstat = 257;

source/games/duke/src/premap.cpp

@@ -624,9 +624,10 @@ void resetpspritevars(int g)
             ps[j].frag_ps = j;
             act->SetOwner(act);
 
-            act->bposx = ps[j].bobposx = ps[j].oposx = ps[j].posx = s->x;
+            ps[j].bobposx = ps[j].oposx = ps[j].posx = s->x;
-            act->bposy = ps[j].bobposy = ps[j].oposy = ps[j].posy = s->y;
+            ps[j].bobposy = ps[j].oposy = ps[j].posy = s->y;
-            act->bposz = ps[j].oposz = ps[j].posz = s->z;
+            ps[j].oposz = ps[j].posz = s->z;
+            s->backuppos();
             ps[j].angle.oang = ps[j].angle.ang = buildang(s->ang);
 
             updatesector(s->x, s->y, &ps[j].cursectnum);

source/games/duke/src/render.cpp

@@ -259,17 +259,6 @@ void renderMirror(int cposx, int cposy, int cposz, binangle cang, fixedhoriz cho
 //
 //---------------------------------------------------------------------------
 
-static inline binangle getcamspriteang(DDukeActor* newOwner, double const smoothratio)
-{
-	return buildfang(newOwner->tempang + MulScaleF(((newOwner->s.ang - newOwner->tempang + 1024) & 2047) - 1024, smoothratio, 16));
-}
-
-//---------------------------------------------------------------------------
-//
-// 
-//
-//---------------------------------------------------------------------------
-
 void animatecamsprite(double smoothratio)
 {
 	const int VIEWSCREEN_ACTIVE_DISTANCE = 8192;
@@ -293,7 +282,7 @@ void animatecamsprite(double smoothratio)
 		screen->RenderTextureView(canvas, [=](IntRect& rect)
 			{
 				auto camera = &camsprite->GetOwner()->s;
-				auto ang = getcamspriteang(camsprite->GetOwner(), smoothratio);
+				auto ang = buildang(camera->interpolatedang(smoothratio));
 				// Note: no ROR or camera here for now - the current setup has no means to detect these things before rendering the scene itself.
 				renderDrawRoomsQ16(camera->x, camera->y, camera->z, ang.asq16(), IntToFixed(camera->shade), camera->sectnum); // why 'shade'...?
 				display_mirror = 1; // should really be 'display external view'.
@@ -581,7 +570,7 @@ void displayrooms(int snum, double smoothratio)
 		if (p->newOwner != nullptr)
 		{
 			auto spr = &p->newOwner->s;
-			cang = getcamspriteang(p->newOwner, smoothratio);
+			cang = buildang(spr->interpolatedang(smoothratio));
 			choriz = buildhoriz(spr->shade);
 			cposx = spr->pos.x;
 			cposy = spr->pos.y;

source/games/duke/src/savegame.cpp

@@ -287,9 +287,6 @@ FSerializer& Serialize(FSerializer& arc, const char* keyname, weaponhit& w, weap
 			("ceilingz", w.ceilingz, def->ceilingz)
 			("lastvx", w.lastvx, def->lastvx)
 			("lastvy", w.lastvy, def->lastvy)
-			("bposx", w.bposx, def->bposx)
-			("bposy", w.bposy, def->bposy)
-			("bposz", w.bposz, def->bposz)
 			("aflags", w.aflags, def->aflags)
 			("saved_ammo", w.saved_ammo, def->saved_ammo)
 			("temp_actor", w.temp_actor, def->temp_actor)

source/games/duke/src/sectors.cpp

@@ -358,7 +358,7 @@ void doanimations(void)
 			{
 				if (act->s.statnum != STAT_EFFECTOR)
 				{
-					act->bposz = act->s.z;
+					act->s.backupz();
 					act->s.z += v;
 					act->floorz = sector[dasect].floorz + v;
 				}

source/games/duke/src/spawn.cpp

@@ -58,9 +58,6 @@ DDukeActor* EGS(short whatsect, int s_x, int s_y, int s_z, short s_pn, signed ch
 
 	auto act = &hittype[i];
 	auto s = &act->s;
-	act->bposx = s_x;
-	act->bposy = s_y;
-	act->bposz = s_z;
 
 	s->x = s_x;
 	s->y = s_y;
@@ -81,6 +78,7 @@ DDukeActor* EGS(short whatsect, int s_x, int s_y, int s_z, short s_pn, signed ch
 	s->clipdist = 0;
 	s->pal = 0;
 	s->lotag = 0;
+	s->backuploc();
 
 	act->lastvx = 0;
 	act->lastvy = 0;
@@ -162,9 +160,7 @@ int initspriteforspawn(DDukeActor* actj, int pn, const std::initializer_list<int
 		act->timetosleep = 0;
 		act->extra = -1;
 
-		act->bposx = sp->x;
+		sp->backuppos();
-		act->bposy = sp->y;
-		act->bposz = sp->z;
 
 		act->SetOwner(act);
 		act->SetHitOwner(act);

source/games/duke/src/types.h

@@ -28,7 +28,7 @@ struct weaponhit
 	short picnum, ang, extra, owner, movflag;
 	short tempang, actorstayput, dispicnum;
 	short timetosleep;
-	int floorz, ceilingz, lastvx, lastvy, bposx, bposy, bposz, aflags;
+	int floorz, ceilingz, lastvx, lastvy, aflags;
 	union
 	{
 		int saved_ammo;
@@ -47,7 +47,7 @@ struct weaponhit
 	{
 		cgg = spriteextra = 0;
 		picnum = ang = extra = owner = movflag = tempang = actorstayput = dispicnum = timetosleep = 0;
-		floorz = ceilingz = lastvx = lastvy = bposx = bposy = bposz = aflags = saved_ammo = 0;
+		floorz = ceilingz = lastvx = lastvy = aflags = saved_ammo = 0;
 		memset(temp_data, 0, sizeof(temp_data));
 	}
 	int GetIndex() const { return this - array(); }