- added a compatibility option to render all segs of a polyobject in the center's subsector and automatically set it for Hexen MAP36 and HEXDD MAP47.

SVN r2543 (trunk)

src/compatibility.cpp

@@ -118,6 +118,7 @@ static FCompatOption Options[] =
 	{ "spritesort",				COMPATF_SPRITESORT, 0 },
 	{ "hitscan",				COMPATF_HITSCAN, 0 },
 	{ "lightlevel",				COMPATF_LIGHT, 0 },
+	{ "polyobj",				COMPATF_POLYOBJ, 0 },
 	{ NULL, 0, 0 }
 };
 
@@ -266,6 +267,19 @@ void CheckCompatibility(MapData *map)
 		ib_compatflags = 0;
 		ii_compatparams = -1;
 	}
+	else if (Wads.GetLumpFile(map->lumpnum) == 1 && (gameinfo.flags & GI_COMPATPOLY1) && Wads.CheckLumpName(map->lumpnum, "MAP36"))
+	{
+		ii_compatflags = COMPATF_POLYOBJ;
+		ib_compatflags = 0;
+		ii_compatparams = -1;
+	}
+	else if (Wads.GetLumpFile(map->lumpnum) == 2 && (gameinfo.flags & GI_COMPATPOLY2) && Wads.CheckLumpName(map->lumpnum, "MAP47"))
+	{
+		ii_compatflags = COMPATF_POLYOBJ;
+		ib_compatflags = 0;
+		ii_compatparams = -1;
+	}
+
 	else
 	{
 		map->GetChecksum(md5.Bytes);

src/d_iwad.cpp

@@ -60,8 +60,8 @@ const IWADInfo IWADInfos[NUM_IWAD_TYPES] =
 	// banner text,								autoname,	fg color,				bg color
 	{ "Final Doom: TNT - Evilution",			"TNT",		MAKERGB(168,0,0),		MAKERGB(168,168,168),	GAME_Doom,		"mapinfo/tnt.txt",		GI_MAPxx | GI_COMPATSHORTTEX | GI_COMPATSTAIRS },
 	{ "Final Doom: Plutonia Experiment",		"Plutonia",	MAKERGB(168,0,0),		MAKERGB(168,168,168),	GAME_Doom,		"mapinfo/plutonia.txt",	GI_MAPxx | GI_COMPATSHORTTEX },
-	{ "Hexen: Beyond Heretic",					NULL,		MAKERGB(240,240,240),	MAKERGB(107,44,24),		GAME_Hexen,		"mapinfo/hexen.txt",	GI_MAPxx },
+	{ "Hexen: Beyond Heretic",					NULL,		MAKERGB(240,240,240),	MAKERGB(107,44,24),		GAME_Hexen,		"mapinfo/hexen.txt",	GI_MAPxx | GI_COMPATPOLY1 },
-	{ "Hexen: Deathkings of the Dark Citadel",	"HexenDK",	MAKERGB(240,240,240),	MAKERGB(139,68,9),		GAME_Hexen,		"mapinfo/hexen.txt",	GI_MAPxx },
+	{ "Hexen: Deathkings of the Dark Citadel",	"HexenDK",	MAKERGB(240,240,240),	MAKERGB(139,68,9),		GAME_Hexen,		"mapinfo/hexen.txt",	GI_MAPxx | GI_COMPATPOLY1 | GI_COMPATPOLY2 },
 	{ "Hexen: Demo Version",					"HexenDemo",MAKERGB(240,240,240),	MAKERGB(107,44,24),		GAME_Hexen,		"mapinfo/hexen.txt",	GI_MAPxx | GI_SHAREWARE },
 	{ "DOOM 2: Hell on Earth",					"Doom2",	MAKERGB(168,0,0),		MAKERGB(168,168,168),	GAME_Doom,		"mapinfo/doom2.txt",	GI_MAPxx | GI_COMPATSHORTTEX },
 	{ "Heretic Shareware",						NULL,		MAKERGB(252,252,0),		MAKERGB(168,0,0),		GAME_Heretic,	"mapinfo/hereticsw.txt",GI_SHAREWARE },

src/d_main.cpp

@@ -104,6 +104,7 @@
 #include "compatibility.h"
 #include "m_joy.h"
 #include "sc_man.h"
+#include "po_man.h"
 #include "resourcefiles/resourcefile.h"
 
 EXTERN_CVAR(Bool, hud_althud)
@@ -480,7 +481,12 @@ static int GetCompatibility(int mask)
 
 CUSTOM_CVAR (Int, compatflags, 0, CVAR_ARCHIVE|CVAR_SERVERINFO)
 {
+	int old = i_compatflags;
 	i_compatflags = GetCompatibility(self) | ii_compatflags;
+	if ((old ^i_compatflags) & COMPATF_POLYOBJ)
+	{
+		FPolyObj::ClearAllSubsectorLinks();
+	}
 }
 
 CUSTOM_CVAR(Int, compatmode, 0, CVAR_ARCHIVE|CVAR_NOINITCALL)
@@ -559,6 +565,7 @@ CVAR (Flag, compat_noblockfriends,compatflags,COMPATF_NOBLOCKFRIENDS);
 CVAR (Flag, compat_spritesort,	compatflags,COMPATF_SPRITESORT);
 CVAR (Flag, compat_hitscan,		compatflags,COMPATF_HITSCAN);
 CVAR (Flag, compat_light,		compatflags,COMPATF_LIGHT);
+CVAR (Flag, compat_polyobj,		compatflags,COMPATF_POLYOBJ);
 
 //==========================================================================
 //

src/doomdef.h

@@ -329,6 +329,7 @@ enum
 	COMPATF_SPRITESORT		= 1 << 27,	// Invert sprite sorting order for sprites of equal distance
 	COMPATF_HITSCAN			= 1 << 28,	// Hitscans use original blockmap anf hit check code.
 	COMPATF_LIGHT			= 1 << 29,	// Find neighboring light level like Doom
+	COMPATF_POLYOBJ			= 1 << 30,	// Draw polyobjects the old fashioned way
 };
 
 // Emulate old bugs for select maps. These are not exposed by a cvar

src/g_mapinfo.cpp

@@ -1404,6 +1404,7 @@ MapFlagHandlers[] =
 	{ "compat_noblockfriends",			MITYPE_COMPATFLAG, COMPATF_NOBLOCKFRIENDS},
 	{ "compat_spritesort",				MITYPE_COMPATFLAG, COMPATF_SPRITESORT},
 	{ "compat_light",					MITYPE_COMPATFLAG, COMPATF_LIGHT},
+	{ "compat_polyobj",					MITYPE_COMPATFLAG, COMPATF_POLYOBJ},
 	{ "cd_start_track",					MITYPE_EATNEXT,	0, 0 },
 	{ "cd_end1_track",					MITYPE_EATNEXT,	0, 0 },
 	{ "cd_end2_track",					MITYPE_EATNEXT,	0, 0 },

src/gi.h

@@ -43,7 +43,9 @@
 #define GI_MENUHACK_EXTENDED	0x00000004	// (Heretic)
 #define GI_TEASER2				0x00000008	// Alternate version of the Strife Teaser
 #define GI_COMPATSHORTTEX		0x00000010	// always force COMPAT_SHORTTEX for IWAD maps.
-#define GI_COMPATSTAIRS			0x00000010	// same for stairbuilding
+#define GI_COMPATSTAIRS			0x00000020	// same for stairbuilding
+#define GI_COMPATPOLY1			0x00000040	// Hexen's MAP36 needs old polyobject drawing
+#define GI_COMPATPOLY2			0x00000080	// so does HEXDD's MAP47
 
 #include "gametype.h"
 

src/m_options.cpp

@@ -1133,6 +1133,7 @@ static menuitem_t CompatibilityItems[] = {
 	{ bitflag,	"Invert sprite sorting",					{&compatflags}, {0}, {0}, {0}, {(value_t *)COMPATF_SPRITESORT} },
 	{ bitflag,	"Use Doom code for hitscan checks",			{&compatflags}, {0}, {0}, {0}, {(value_t *)COMPATF_HITSCAN} },
 	{ bitflag,	"Cripple sound for silent BFG trick",		{&compatflags}, {0}, {0}, {0}, {(value_t *)COMPATF_MAGICSILENCE} },
+	{ bitflag,	"Draw polyobjects like Hexen",				{&compatflags}, {0}, {0}, {0}, {(value_t *)COMPATF_POLYOBJ} },
 	
 	{ discrete, "Interpolate monster movement",	{&nomonsterinterpolation},		{2.0}, {0.0},	{0.0}, {NoYes} },
 };

src/po_man.cpp

@@ -1752,8 +1752,8 @@ static void TranslateToStartSpot (int tag, int originX, int originY)
 		po->OriginalPts[i].y = po->Vertices[i]->y - po->StartSpot.y;
 	}
 	po->CalcCenter();
-	// subsector assignment no longer done here.
+	// For compatibility purposes
-	// Polyobjects will be sorted into the subsectors each frame before rendering them.
+	po->CenterSubsector = R_PointInSubsector(po->CenterSpot.x, po->CenterSpot.y);
 }
 
 //==========================================================================
@@ -2193,7 +2193,29 @@ void FPolyObj::CreateSubsectorLinks()
 		seg->v2 = side->V2();
 		seg->wall = side;
 	}
-	SplitPoly(node, nodes + numnodes - 1, dummybbox);
+	if (!(i_compatflags & COMPATF_POLYOBJ))
+	{
+		SplitPoly(node, nodes + numnodes - 1, dummybbox);
+	}
+	else
+	{
+		subsector_t *sub = CenterSubsector;
+
+		// Link node to subsector
+		node->pnext = sub->polys;
+		if (node->pnext != NULL) 
+		{
+			assert(node->pnext->state == 1337);
+			node->pnext->pprev = node;
+		}
+		node->pprev = NULL;
+		sub->polys = node;
+
+		// link node to polyobject
+		node->snext = node->poly->subsectorlinks;
+		node->poly->subsectorlinks = node;
+		node->subsector = sub;
+	}
 }
 
 //==========================================================================

src/po_man.h

@@ -53,6 +53,7 @@ struct FPolyObj
 	FPolyVertex				StartSpot;
 	FPolyVertex				CenterSpot;
 	FBoundingBox			Bounds;	// Bounds in map coordinates 
+	subsector_t				*CenterSubsector;
 
 	angle_t		angle;
 	int			tag;			// reference tag assigned in HereticEd