- split polyobject init into its own file and cleaned things up a bit.

src/CMakeLists.txt

@@ -1079,6 +1079,7 @@ set (PCH_SOURCES
 	maploader/slopes.cpp
 	maploader/glnodes.cpp
 	maploader/udmf.cpp
+	maploader/polyobjects.cpp
 	menu/joystickmenu.cpp
 	menu/loadsavemenu.cpp
 	menu/menu.cpp

src/g_levellocals.h

@@ -83,6 +83,7 @@ struct FLevelData
 	TMap<int, FHealthGroup> healthGroups;
 
 	FBlockmap blockmap;
+	TArray<polyblock_t *> PolyBlockMap;
 
 	// These are copies of the loaded map data that get used by the savegame code to skip unaltered fields
 	// Without such a mechanism the savegame format would become too slow and large because more than 80-90% are normally still unaltered.

src/maploader/polyobjects.cpp

@@ -0,0 +1,415 @@
+//-----------------------------------------------------------------------------
+//
+// Copyright 1994-1996 Raven Software
+// Copyright 1999-2016 Randy Heit
+// Copyright 2002-2018 Christoph Oelckers
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see http://www.gnu.org/licenses/
+//
+//-----------------------------------------------------------------------------
+//
+
+// HEADER FILES ------------------------------------------------------------
+
+#include "doomdef.h"
+#include "p_local.h"
+#include "m_bbox.h"
+#include "a_sharedglobal.h"
+#include "p_3dmidtex.h"
+#include "p_lnspec.h"
+#include "po_man.h"
+#include "p_setup.h"
+#include "p_blockmap.h"
+#include "p_maputl.h"
+#include "r_utility.h"
+#include "g_levellocals.h"
+#include "actorinlines.h"
+#include "v_text.h"
+
+#include "maploader/maploader.h"
+
+//==========================================================================
+//
+// InitBlockMap
+//
+//==========================================================================
+
+void MapLoader::InitPolyBlockMap ()
+{
+	int bmapwidth = Level->blockmap.bmapwidth;
+	int bmapheight = Level->blockmap.bmapheight;
+
+	Level->PolyBlockMap.Resize(bmapwidth*bmapheight);
+	memset (Level->PolyBlockMap.Data(), 0, bmapwidth*bmapheight*sizeof(polyblock_t *));
+
+	for(auto &poly : Level->Polyobjects)
+	{
+		poly.LinkPolyobj();
+	}
+}
+
+//==========================================================================
+//
+// InitSideLists [RH]
+//
+// Group sides by vertex and collect side that are known to belong to a
+// polyobject so that they can be initialized fast.
+//==========================================================================
+
+void MapLoader::InitSideLists ()
+{
+	auto &sides = Level->sides;
+	for (unsigned i = 0; i < sides.Size(); ++i)
+	{
+		if (sides[i].linedef != NULL &&
+			(sides[i].linedef->special == Polyobj_StartLine ||
+				sides[i].linedef->special == Polyobj_ExplicitLine))
+		{
+			KnownPolySides.Push (i);
+		}
+	}
+}
+
+//==========================================================================
+//
+// AddPolyVert
+//
+// Helper function for IterFindPolySides()
+//
+//==========================================================================
+
+static void AddPolyVert(TArray<uint32_t> &vnum, uint32_t vert)
+{
+	for (unsigned int i = vnum.Size() - 1; i-- != 0; )
+	{
+		if (vnum[i] == vert)
+		{ // Already in the set. No need to add it.
+			return;
+		}
+	}
+	vnum.Push(vert);
+}
+
+//==========================================================================
+//
+// IterFindPolySides
+//
+// Beginning with the first vertex of the starting side, for each vertex
+// in vnum, add all the sides that use it as a first vertex to the polyobj,
+// and add all their second vertices to vnum. This continues until there
+// are no new vertices in vnum.
+//
+//==========================================================================
+
+void MapLoader::IterFindPolySides (FPolyObj *po, side_t *side)
+{
+	static TArray<uint32_t> vnum;
+	unsigned int vnumat;
+
+	assert(sidetemp != NULL);
+
+	vnum.Clear();
+	vnum.Push(uint32_t(side->V1()->Index()));
+	vnumat = 0;
+
+	while (vnum.Size() != vnumat)
+	{
+		uint32_t sidenum = sidetemp[vnum[vnumat++]].b.first;
+		while (sidenum != NO_SIDE)
+		{
+			po->Sidedefs.Push(&Level->sides[sidenum]);
+			AddPolyVert(vnum, uint32_t(Level->sides[sidenum].V2()->Index()));
+			sidenum = sidetemp[sidenum].b.next;
+		}
+	}
+}
+
+
+//==========================================================================
+//
+// SpawnPolyobj
+//
+//==========================================================================
+
+static int posicmp(const void *a, const void *b)
+{
+	return (*(const side_t **)a)->linedef->args[1] - (*(const side_t **)b)->linedef->args[1];
+}
+
+void MapLoader::SpawnPolyobj (int index, int tag, int type)
+{
+	unsigned int ii;
+	int i;
+	FPolyObj *po = &Level->Polyobjects[index];
+
+	for (ii = 0; ii < KnownPolySides.Size(); ++ii)
+	{
+		i = KnownPolySides[ii];
+		if (i < 0)
+		{
+			continue;
+		}
+		po->bBlocked = false;
+		po->bHasPortals = 0;
+
+		side_t *sd = &Level->sides[i];
+		
+		if (sd->linedef->special == Polyobj_StartLine &&
+			sd->linedef->args[0] == tag)
+		{
+			if (po->Sidedefs.Size() > 0)
+			{
+				Printf (TEXTCOLOR_RED "SpawnPolyobj: Polyobj %d already spawned.\n", tag);
+				return;
+			}
+			else
+			{
+				sd->linedef->special = 0;
+				sd->linedef->args[0] = 0;
+				IterFindPolySides(&Level->Polyobjects[index], sd);
+				po->MirrorNum = sd->linedef->args[1];
+				po->crush = (type != SMT_PolySpawn) ? 3 : 0;
+				po->bHurtOnTouch = (type == SMT_PolySpawnHurt);
+				po->tag = tag;
+				po->seqType = sd->linedef->args[2];
+				if (po->seqType < 0 || po->seqType > 63)
+				{
+					po->seqType = 0;
+				}
+			}
+			break;
+		}
+	}
+	if (po->Sidedefs.Size() == 0)
+	{ 
+		// didn't find a polyobj through PO_LINE_START
+		TArray<side_t *> polySideList;
+		unsigned int psIndexOld;
+		psIndexOld = po->Sidedefs.Size();
+
+		for (ii = 0; ii < KnownPolySides.Size(); ++ii)
+		{
+			i = KnownPolySides[ii];
+
+			if (i >= 0 &&
+				Level->sides[i].linedef->special == Polyobj_ExplicitLine &&
+				Level->sides[i].linedef->args[0] == tag)
+			{
+				if (!Level->sides[i].linedef->args[1])
+				{
+					Printf(TEXTCOLOR_RED "SpawnPolyobj: Explicit line missing order number in poly %d, linedef %d.\n", tag, Level->sides[i].linedef->Index());
+					return;
+				}
+				else
+				{
+					po->Sidedefs.Push(&Level->sides[i]);
+				}
+			}
+		}
+		qsort(&po->Sidedefs[0], po->Sidedefs.Size(), sizeof(po->Sidedefs[0]), posicmp);
+		if (po->Sidedefs.Size() > 0)
+		{
+			po->crush = (type != SMT_PolySpawn) ? 3 : 0;
+			po->bHurtOnTouch = (type == SMT_PolySpawnHurt);
+			po->tag = tag;
+			po->seqType = po->Sidedefs[0]->linedef->args[3];
+			po->MirrorNum = po->Sidedefs[0]->linedef->args[2];
+		}
+		else
+		{
+			Printf(TEXTCOLOR_RED "SpawnPolyobj: Poly %d does not exist\n", tag);
+			return;
+		}
+	}
+
+	validcount++;	
+	for(unsigned int i=0; i<po->Sidedefs.Size(); i++)
+	{
+		line_t *l = po->Sidedefs[i]->linedef;
+
+		if (l->validcount != validcount)
+		{
+			FLinePortal *port = l->getPortal();
+			if (port && (port->mDefFlags & PORTF_PASSABLE))
+			{
+				int type = port->mType == PORTT_LINKED ? 2 : 1;
+				if (po->bHasPortals < type) po->bHasPortals = (uint8_t)type;
+			}
+			l->validcount = validcount;
+			po->Linedefs.Push(l);
+
+			vertex_t *v = l->v1;
+			int j;
+			for(j = po->Vertices.Size() - 1; j >= 0; j--)
+			{
+				if (po->Vertices[j] == v) break;
+			}
+			if (j < 0) po->Vertices.Push(v);
+
+			v = l->v2;
+			for(j = po->Vertices.Size() - 1; j >= 0; j--)
+			{
+				if (po->Vertices[j] == v) break;
+			}
+			if (j < 0) po->Vertices.Push(v);
+
+		}
+	}
+	po->Sidedefs.ShrinkToFit();
+	po->Linedefs.ShrinkToFit();
+	po->Vertices.ShrinkToFit();
+}
+
+//==========================================================================
+//
+// TranslateToStartSpot
+//
+//==========================================================================
+
+void MapLoader::TranslateToStartSpot (int tag, const DVector2 &origin)
+{
+	FPolyObj *po;
+	DVector2 delta;
+
+	po = PO_GetPolyobj(tag);
+	if (po == nullptr)
+	{ // didn't match the tag with a polyobj tag
+		Printf(TEXTCOLOR_RED "TranslateToStartSpot: Unable to match polyobj tag: %d\n", tag);
+		return;
+	}
+	if (po->Sidedefs.Size() == 0)
+	{
+		Printf(TEXTCOLOR_RED "TranslateToStartSpot: Anchor point located without a StartSpot point: %d\n", tag);
+		return;
+	}
+	po->OriginalPts.Resize(po->Sidedefs.Size());
+	po->PrevPts.Resize(po->Sidedefs.Size());
+	delta = origin - po->StartSpot.pos;
+
+	for (unsigned i = 0; i < po->Sidedefs.Size(); i++)
+	{
+		po->Sidedefs[i]->Flags |= WALLF_POLYOBJ;
+	}
+	for (unsigned i = 0; i < po->Linedefs.Size(); i++)
+	{
+		po->Linedefs[i]->bbox[BOXTOP] -= delta.Y;
+		po->Linedefs[i]->bbox[BOXBOTTOM] -= delta.Y;
+		po->Linedefs[i]->bbox[BOXLEFT] -= delta.X;
+		po->Linedefs[i]->bbox[BOXRIGHT] -= delta.X;
+	}
+	for (unsigned i = 0; i < po->Vertices.Size(); i++)
+	{
+		po->Vertices[i]->set(po->Vertices[i]->fX() - delta.X, po->Vertices[i]->fY() - delta.Y);
+		po->OriginalPts[i].pos = po->Vertices[i]->fPos() - po->StartSpot.pos;
+	}
+	po->CalcCenter();
+	// For compatibility purposes
+	po->CenterSubsector = R_PointInSubsector(po->CenterSpot.pos);
+}
+
+//==========================================================================
+//
+// PO_Init
+//
+//==========================================================================
+
+void MapLoader::PO_Init (void)
+{
+	int NumPolyobjs = 0;
+	TArray<FMapThing *> polythings;
+	for (auto &mthing : MapThingsConverted)
+	{
+		if (mthing.EdNum == 0 || mthing.EdNum == -1) continue;
+
+		FDoomEdEntry *mentry = mthing.info;
+		switch (mentry->Special)
+		{
+		case SMT_PolyAnchor:
+		case SMT_PolySpawn:
+		case SMT_PolySpawnCrush:
+		case SMT_PolySpawnHurt:
+			polythings.Push(&mthing);
+			if (mentry->Special != SMT_PolyAnchor)
+				NumPolyobjs++;
+		}
+	}
+
+	int polyIndex;
+
+	// [RH] Make this faster
+	InitSideLists ();
+
+	Level->Polyobjects.Resize(NumPolyobjs);
+
+	polyIndex = 0; // index polyobj number
+	// Find the startSpot points, and spawn each polyobj
+	for (int i=polythings.Size()-1; i >= 0; i--)
+	{
+		// 9301 (3001) = no crush, 9302 (3002) = crushing, 9303 = hurting touch
+		int type = polythings[i]->info->Special;
+		if (type >= SMT_PolySpawn && type <= SMT_PolySpawnHurt)
+		{ 
+			// Polyobj StartSpot Pt.
+			Level->Polyobjects[polyIndex].StartSpot.pos = polythings[i]->pos;
+			SpawnPolyobj(polyIndex, polythings[i]->angle, type);
+			polyIndex++;
+		} 
+	}
+	for (int i = polythings.Size() - 1; i >= 0; i--)
+	{
+		int type = polythings[i]->info->Special;
+		if (type == SMT_PolyAnchor)
+		{ 
+			// Polyobj Anchor Pt.
+			TranslateToStartSpot (polythings[i]->angle, polythings[i]->pos);
+		}
+	}
+
+	// check for a startspot without an anchor point
+	for (auto &poly : Level->Polyobjects)
+	{
+		if (poly.OriginalPts.Size() == 0)
+		{
+			Printf (TEXTCOLOR_RED "PO_Init: StartSpot located without an Anchor point: %d\n", poly.tag);
+		}
+	}
+	InitPolyBlockMap();
+
+	// [RH] Don't need the side lists anymore
+	KnownPolySides.Reset();
+
+	// mark all subsectors which have a seg belonging to a polyobj
+	// These ones should not be rendered on the textured automap.
+	for (auto &ss : Level->subsectors)
+	{
+		for(uint32_t j=0;j<ss.numlines; j++)
+		{
+			if (ss.firstline[j].sidedef != NULL &&
+				ss.firstline[j].sidedef->Flags & WALLF_POLYOBJ)
+			{
+				ss.flags |= SSECF_POLYORG;
+				break;
+			}
+		}
+	}
+	// clear all polyobj specials so that they do not obstruct using other lines.
+	for (auto &line : Level->lines)
+	{
+		if (line.special == Polyobj_ExplicitLine || line.special == Polyobj_StartLine)
+		{
+			line.special = 0;
+		}
+	}
+}
+

src/p_maputl.cpp

@@ -581,7 +581,6 @@ void AActor::SetOrigin(double x, double y, double z, bool moving)
 // FBlockLinesIterator
 //
 //===========================================================================
-extern polyblock_t **PolyBlockMap;
 
 FBlockLinesIterator::FBlockLinesIterator(int _minx, int _miny, int _maxx, int _maxy, bool keepvalidcount)
 {
@@ -621,7 +620,7 @@ void FBlockLinesIterator::StartBlock(int x, int y)
 	if (level.blockmap.isValidBlock(x, y))
 	{
 		int offset = y*level.blockmap.bmapwidth + x;
-		polyLink = PolyBlockMap? PolyBlockMap[offset] : NULL;
+		polyLink = level.PolyBlockMap.Size() > offset? level.PolyBlockMap[offset] : nullptr;
 		polyIndex = 0;
 
 		list = level.blockmap.GetLines(x, y);

src/p_setup.cpp

@@ -80,8 +80,6 @@ extern unsigned int R_OldBlend;
 
 static void P_Shutdown ();
 
-extern polyblock_t **PolyBlockMap;
-
 //===========================================================================
 //
 // P_PrecacheLevel
@@ -279,21 +277,17 @@ void P_FreeLevelData ()
 	level.blockmap.Clear();
 	level.Polyobjects.Clear();
 
-	if (PolyBlockMap != nullptr)
+	for(auto &pb : level.PolyBlockMap)
 	{
-		for (int i = level.blockmap.bmapwidth*level.blockmap.bmapheight-1; i >= 0; --i)
+		polyblock_t *link = pb;
+		while (link != nullptr)
 		{
-			polyblock_t *link = PolyBlockMap[i];
+			polyblock_t *next = link->next;
-			while (link != nullptr)
+			delete link;
-			{
+			link = next;
-				polyblock_t *next = link->next;
-				delete link;
-				link = next;
-			}
 		}
-		delete[] PolyBlockMap;
-		PolyBlockMap = nullptr;
 	}
+	level.PolyBlockMap.Reset();
 
 	level.deathmatchstarts.Clear();
 	level.AllPlayerStarts.Clear();

src/p_sight.cpp

@@ -476,7 +476,6 @@ int SightCheck::P_SightBlockLinesIterator (int x, int y)
 
 	polyblock_t *polyLink;
 	unsigned int i;
-	extern polyblock_t **PolyBlockMap;
 
 	offset = y*level.blockmap.bmapwidth+x;
 
@@ -484,7 +483,7 @@ int SightCheck::P_SightBlockLinesIterator (int x, int y)
 	// (We still try to delay activating this for as long as possible.)
 	portalfound = portalfound || level.PortalBlockmap(x, y).containsLinkedPortals;
 
-	polyLink = PolyBlockMap[offset];
+	polyLink = level.PolyBlockMap[offset];
 	portalfound |= (polyLink && level.PortalBlockmap.hasLinkedPolyPortals);
 	while (polyLink)
 	{

src/po_man.cpp

@@ -2,7 +2,7 @@
 //
 // Copyright 1994-1996 Raven Software
 // Copyright 1999-2016 Randy Heit
-// Copyright 2002-2016 Christoph Oelckers
+// Copyright 2002-2018 Christoph Oelckers
 //
 // This program is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -40,12 +40,6 @@
 #include "actorinlines.h"
 #include "v_text.h"
 
-#include "maploader/maploader.h"
-
-// MACROS ------------------------------------------------------------------
-
-#define PO_MAXPOLYSEGS 64
-
 // TYPES -------------------------------------------------------------------
 
 class DRotatePoly : public DPolyAction
@@ -138,8 +132,6 @@ static void ReleaseAllPolyNodes();
 
 // PUBLIC DATA DEFINITIONS -------------------------------------------------
 
-polyblock_t **PolyBlockMap;
-
 // PRIVATE DATA DEFINITIONS ------------------------------------------------
 
 static FPolyNode *FreePolyNodes;
@@ -1065,7 +1057,7 @@ void FPolyObj::UnLinkPolyobj ()
 		{
 			if(i >= 0 && i < level.blockmap.bmapwidth && j >= 0 && j < level.blockmap.bmapheight)
 			{
-				link = PolyBlockMap[index+i];
+				link = level.PolyBlockMap[index+i];
 				while(link != NULL && link->polyobj != this)
 				{
 					link = link->next;
@@ -1249,7 +1241,7 @@ void FPolyObj::LinkPolyobj ()
 		{
 			if(i >= 0 && i < bmapwidth && j >= 0 && j < bmapheight*bmapwidth)
 			{
-				link = &PolyBlockMap[j+i];
+				link = &level.PolyBlockMap[j+i];
 				if(!(*link))
 				{ // Create a new link at the current block cell
 					*link = new polyblock_t;
@@ -1384,380 +1376,6 @@ void FPolyObj::ClosestPoint(const DVector2 &fpos, DVector2 &out, side_t **side)
 	}
 }
 
-//==========================================================================
-//
-// InitBlockMap
-//
-//==========================================================================
-
-void MapLoader::InitPolyBlockMap ()
-{
-	int bmapwidth = Level->blockmap.bmapwidth;
-	int bmapheight = Level->blockmap.bmapheight;
-
-	PolyBlockMap = new polyblock_t *[bmapwidth*bmapheight];
-	memset (PolyBlockMap, 0, bmapwidth*bmapheight*sizeof(polyblock_t *));
-
-	for(auto &poly : Level->Polyobjects)
-	{
-		poly.LinkPolyobj();
-	}
-}
-
-//==========================================================================
-//
-// InitSideLists [RH]
-//
-// Group sides by vertex and collect side that are known to belong to a
-// polyobject so that they can be initialized fast.
-//==========================================================================
-
-void MapLoader::InitSideLists ()
-{
-	auto &sides = Level->sides;
-	for (unsigned i = 0; i < sides.Size(); ++i)
-	{
-		if (sides[i].linedef != NULL &&
-			(sides[i].linedef->special == Polyobj_StartLine ||
-				sides[i].linedef->special == Polyobj_ExplicitLine))
-		{
-			KnownPolySides.Push (i);
-		}
-	}
-}
-
-//==========================================================================
-//
-// AddPolyVert
-//
-// Helper function for IterFindPolySides()
-//
-//==========================================================================
-
-static void AddPolyVert(TArray<uint32_t> &vnum, uint32_t vert)
-{
-	for (unsigned int i = vnum.Size() - 1; i-- != 0; )
-	{
-		if (vnum[i] == vert)
-		{ // Already in the set. No need to add it.
-			return;
-		}
-	}
-	vnum.Push(vert);
-}
-
-//==========================================================================
-//
-// IterFindPolySides
-//
-// Beginning with the first vertex of the starting side, for each vertex
-// in vnum, add all the sides that use it as a first vertex to the polyobj,
-// and add all their second vertices to vnum. This continues until there
-// are no new vertices in vnum.
-//
-//==========================================================================
-
-void MapLoader::IterFindPolySides (FPolyObj *po, side_t *side)
-{
-	static TArray<uint32_t> vnum;
-	unsigned int vnumat;
-
-	assert(sidetemp != NULL);
-
-	vnum.Clear();
-	vnum.Push(uint32_t(side->V1()->Index()));
-	vnumat = 0;
-
-	while (vnum.Size() != vnumat)
-	{
-		uint32_t sidenum = sidetemp[vnum[vnumat++]].b.first;
-		while (sidenum != NO_SIDE)
-		{
-			po->Sidedefs.Push(&Level->sides[sidenum]);
-			AddPolyVert(vnum, uint32_t(Level->sides[sidenum].V2()->Index()));
-			sidenum = sidetemp[sidenum].b.next;
-		}
-	}
-}
-
-
-//==========================================================================
-//
-// SpawnPolyobj
-//
-//==========================================================================
-
-static int posicmp(const void *a, const void *b)
-{
-	return (*(const side_t **)a)->linedef->args[1] - (*(const side_t **)b)->linedef->args[1];
-}
-
-void MapLoader::SpawnPolyobj (int index, int tag, int type)
-{
-	unsigned int ii;
-	int i;
-	FPolyObj *po = &Level->Polyobjects[index];
-
-	for (ii = 0; ii < KnownPolySides.Size(); ++ii)
-	{
-		i = KnownPolySides[ii];
-		if (i < 0)
-		{
-			continue;
-		}
-		po->bBlocked = false;
-		po->bHasPortals = 0;
-
-		side_t *sd = &Level->sides[i];
-		
-		if (sd->linedef->special == Polyobj_StartLine &&
-			sd->linedef->args[0] == tag)
-		{
-			if (po->Sidedefs.Size() > 0)
-			{
-				Printf (TEXTCOLOR_RED "SpawnPolyobj: Polyobj %d already spawned.\n", tag);
-				return;
-			}
-			else
-			{
-				sd->linedef->special = 0;
-				sd->linedef->args[0] = 0;
-				IterFindPolySides(&Level->Polyobjects[index], sd);
-				po->MirrorNum = sd->linedef->args[1];
-				po->crush = (type != SMT_PolySpawn) ? 3 : 0;
-				po->bHurtOnTouch = (type == SMT_PolySpawnHurt);
-				po->tag = tag;
-				po->seqType = sd->linedef->args[2];
-				if (po->seqType < 0 || po->seqType > 63)
-				{
-					po->seqType = 0;
-				}
-			}
-			break;
-		}
-	}
-	if (po->Sidedefs.Size() == 0)
-	{ 
-		// didn't find a polyobj through PO_LINE_START
-		TArray<side_t *> polySideList;
-		unsigned int psIndexOld;
-		psIndexOld = po->Sidedefs.Size();
-
-		for (ii = 0; ii < KnownPolySides.Size(); ++ii)
-		{
-			i = KnownPolySides[ii];
-
-			if (i >= 0 &&
-				Level->sides[i].linedef->special == Polyobj_ExplicitLine &&
-				Level->sides[i].linedef->args[0] == tag)
-			{
-				if (!Level->sides[i].linedef->args[1])
-				{
-					Printf(TEXTCOLOR_RED "SpawnPolyobj: Explicit line missing order number in poly %d, linedef %d.\n", tag, Level->sides[i].linedef->Index());
-					return;
-				}
-				else
-				{
-					po->Sidedefs.Push(&Level->sides[i]);
-				}
-			}
-		}
-		qsort(&po->Sidedefs[0], po->Sidedefs.Size(), sizeof(po->Sidedefs[0]), posicmp);
-		if (po->Sidedefs.Size() > 0)
-		{
-			po->crush = (type != SMT_PolySpawn) ? 3 : 0;
-			po->bHurtOnTouch = (type == SMT_PolySpawnHurt);
-			po->tag = tag;
-			po->seqType = po->Sidedefs[0]->linedef->args[3];
-			po->MirrorNum = po->Sidedefs[0]->linedef->args[2];
-		}
-		else
-		{
-			Printf(TEXTCOLOR_RED "SpawnPolyobj: Poly %d does not exist\n", tag);
-			return;
-		}
-	}
-
-	validcount++;	
-	for(unsigned int i=0; i<po->Sidedefs.Size(); i++)
-	{
-		line_t *l = po->Sidedefs[i]->linedef;
-
-		if (l->validcount != validcount)
-		{
-			FLinePortal *port = l->getPortal();
-			if (port && (port->mDefFlags & PORTF_PASSABLE))
-			{
-				int type = port->mType == PORTT_LINKED ? 2 : 1;
-				if (po->bHasPortals < type) po->bHasPortals = (uint8_t)type;
-			}
-			l->validcount = validcount;
-			po->Linedefs.Push(l);
-
-			vertex_t *v = l->v1;
-			int j;
-			for(j = po->Vertices.Size() - 1; j >= 0; j--)
-			{
-				if (po->Vertices[j] == v) break;
-			}
-			if (j < 0) po->Vertices.Push(v);
-
-			v = l->v2;
-			for(j = po->Vertices.Size() - 1; j >= 0; j--)
-			{
-				if (po->Vertices[j] == v) break;
-			}
-			if (j < 0) po->Vertices.Push(v);
-
-		}
-	}
-	po->Sidedefs.ShrinkToFit();
-	po->Linedefs.ShrinkToFit();
-	po->Vertices.ShrinkToFit();
-}
-
-//==========================================================================
-//
-// TranslateToStartSpot
-//
-//==========================================================================
-
-void MapLoader::TranslateToStartSpot (int tag, const DVector2 &origin)
-{
-	FPolyObj *po;
-	DVector2 delta;
-
-	po = PO_GetPolyobj(tag);
-	if (po == nullptr)
-	{ // didn't match the tag with a polyobj tag
-		Printf(TEXTCOLOR_RED "TranslateToStartSpot: Unable to match polyobj tag: %d\n", tag);
-		return;
-	}
-	if (po->Sidedefs.Size() == 0)
-	{
-		Printf(TEXTCOLOR_RED "TranslateToStartSpot: Anchor point located without a StartSpot point: %d\n", tag);
-		return;
-	}
-	po->OriginalPts.Resize(po->Sidedefs.Size());
-	po->PrevPts.Resize(po->Sidedefs.Size());
-	delta = origin - po->StartSpot.pos;
-
-	for (unsigned i = 0; i < po->Sidedefs.Size(); i++)
-	{
-		po->Sidedefs[i]->Flags |= WALLF_POLYOBJ;
-	}
-	for (unsigned i = 0; i < po->Linedefs.Size(); i++)
-	{
-		po->Linedefs[i]->bbox[BOXTOP] -= delta.Y;
-		po->Linedefs[i]->bbox[BOXBOTTOM] -= delta.Y;
-		po->Linedefs[i]->bbox[BOXLEFT] -= delta.X;
-		po->Linedefs[i]->bbox[BOXRIGHT] -= delta.X;
-	}
-	for (unsigned i = 0; i < po->Vertices.Size(); i++)
-	{
-		po->Vertices[i]->set(po->Vertices[i]->fX() - delta.X, po->Vertices[i]->fY() - delta.Y);
-		po->OriginalPts[i].pos = po->Vertices[i]->fPos() - po->StartSpot.pos;
-	}
-	po->CalcCenter();
-	// For compatibility purposes
-	po->CenterSubsector = R_PointInSubsector(po->CenterSpot.pos);
-}
-
-//==========================================================================
-//
-// PO_Init
-//
-//==========================================================================
-
-void MapLoader::PO_Init (void)
-{
-	int NumPolyobjs = 0;
-	TArray<FMapThing *> polythings;
-	for (auto &mthing : MapThingsConverted)
-	{
-		if (mthing.EdNum == 0 || mthing.EdNum == -1) continue;
-
-		FDoomEdEntry *mentry = mthing.info;
-		switch (mentry->Special)
-		{
-		case SMT_PolyAnchor:
-		case SMT_PolySpawn:
-		case SMT_PolySpawnCrush:
-		case SMT_PolySpawnHurt:
-			polythings.Push(&mthing);
-			if (mentry->Special != SMT_PolyAnchor)
-				NumPolyobjs++;
-		}
-	}
-
-	int polyIndex;
-
-	// [RH] Make this faster
-	InitSideLists ();
-
-	Level->Polyobjects.Resize(NumPolyobjs);
-
-	polyIndex = 0; // index polyobj number
-	// Find the startSpot points, and spawn each polyobj
-	for (int i=polythings.Size()-1; i >= 0; i--)
-	{
-		// 9301 (3001) = no crush, 9302 (3002) = crushing, 9303 = hurting touch
-		int type = polythings[i]->info->Special;
-		if (type >= SMT_PolySpawn && type <= SMT_PolySpawnHurt)
-		{ 
-			// Polyobj StartSpot Pt.
-			Level->Polyobjects[polyIndex].StartSpot.pos = polythings[i]->pos;
-			SpawnPolyobj(polyIndex, polythings[i]->angle, type);
-			polyIndex++;
-		} 
-	}
-	for (int i = polythings.Size() - 1; i >= 0; i--)
-	{
-		int type = polythings[i]->info->Special;
-		if (type == SMT_PolyAnchor)
-		{ 
-			// Polyobj Anchor Pt.
-			TranslateToStartSpot (polythings[i]->angle, polythings[i]->pos);
-		}
-	}
-
-	// check for a startspot without an anchor point
-	for (auto &poly : Level->Polyobjects)
-	{
-		if (poly.OriginalPts.Size() == 0)
-		{
-			Printf (TEXTCOLOR_RED "PO_Init: StartSpot located without an Anchor point: %d\n", poly.tag);
-		}
-	}
-	InitPolyBlockMap();
-
-	// [RH] Don't need the side lists anymore
-	KnownPolySides.Reset();
-
-	// mark all subsectors which have a seg belonging to a polyobj
-	// These ones should not be rendered on the textured automap.
-	for (auto &ss : Level->subsectors)
-	{
-		for(uint32_t j=0;j<ss.numlines; j++)
-		{
-			if (ss.firstline[j].sidedef != NULL &&
-				ss.firstline[j].sidedef->Flags & WALLF_POLYOBJ)
-			{
-				ss.flags |= SSECF_POLYORG;
-				break;
-			}
-		}
-	}
-	// clear all polyobj specials so that they do not obstruct using other lines.
-	for (auto &line : Level->lines)
-	{
-		if (line.special == Polyobj_ExplicitLine || line.special == Polyobj_StartLine)
-		{
-			line.special = 0;
-		}
-	}
-}
-
 //==========================================================================
 //
 // PO_Busy