- changed side_t's linenum into a linedef pointer.

SVN r1800 (trunk)

docs/rh-log.txt

@@ -1,4 +1,5 @@
 September 6, 2009  (Changes by Graf Zahl)
+- changed side_t's linenum into a linedef pointer.
 - Added PinkSilver's SetActorVelocity code submission (with optimizations.)
 
 September 5, 2009

src/g_shared/a_decals.cpp

@@ -174,7 +174,7 @@ void DBaseDecal::SerializeChain (FArchive &arc, DBaseDecal **first)
 
 void DBaseDecal::GetXY (side_t *wall, fixed_t &ox, fixed_t &oy) const
 {
-	line_t *line = &lines[wall->linenum];
+	line_t *line = wall->linedef;
 	DWORD wallnum = DWORD(wall - sides);
 	vertex_t *v1, *v2;
 
@@ -234,7 +234,7 @@ FTextureID DBaseDecal::StickToWall (side_t *wall, fixed_t x, fixed_t y, F3DFloor
 	line_t *line;
 	FTextureID tex;
 
-	line = &lines[wall->linenum];
+	line = wall->linedef;
 	if (line->sidenum[0] == DWORD(wall - sides))
 	{
 		front = line->frontsector;
@@ -304,7 +304,7 @@ FTextureID DBaseDecal::StickToWall (side_t *wall, fixed_t x, fixed_t y, F3DFloor
 
 fixed_t DBaseDecal::GetRealZ (const side_t *wall) const
 {
-	const line_t *line = &lines[wall->linenum];
+	const line_t *line = wall->linedef;
 	const sector_t *front, *back;
 
 	if (line->sidenum[0] == DWORD(wall - sides))
@@ -358,7 +358,7 @@ fixed_t DBaseDecal::GetRealZ (const side_t *wall) const
 
 void DBaseDecal::CalcFracPos (side_t *wall, fixed_t x, fixed_t y)
 {
-	line_t *line = &lines[wall->linenum];
+	line_t *line = line = wall->linedef;
 	DWORD wallnum = DWORD(wall - sides);
 	vertex_t *v1, *v2;
 
@@ -392,7 +392,7 @@ void DBaseDecal::CalcFracPos (side_t *wall, fixed_t x, fixed_t y)
 
 static void GetWallStuff (side_t *wall, vertex_t *&v1, fixed_t &ldx, fixed_t &ldy)
 {
-	line_t *line = &lines[wall->linenum];
+	line_t *line = line = wall->linedef;
 	if (line->sidenum[0] == DWORD(wall - sides))
 	{
 		v1 = line->v1;
@@ -414,7 +414,7 @@ static fixed_t Length (fixed_t dx, fixed_t dy)
 
 static side_t *NextWall (const side_t *wall)
 {
-	line_t *line = &lines[wall->linenum];
+	line_t *line = line = wall->linedef;;
 	DWORD wallnum = DWORD(wall - sides);
 
 	if (line->sidenum[0] == wallnum)
@@ -540,7 +540,7 @@ void DBaseDecal::Spread (const FDecalTemplate *tpl, side_t *wall, fixed_t x, fix
 
 	// Then try spreading right
 	SpreadRight (rorg + DecalRight, wall,
-			Length (lines[wall->linenum].dx, lines[wall->linenum].dy), ffloor);
+			Length (wall->linedef->dx, wall->linedef->dy), ffloor);
 	SpreadStack.Clear ();
 }
 

src/p_buildmap.cpp

@@ -519,11 +519,11 @@ static void LoadWalls (walltype *walls, int numwalls, sectortype *bsec)
 
 		if (walls[i].nextwall >= 0 && walls[i].nextwall <= i)
 		{
-			sides[i].linenum = sides[walls[i].nextwall].linenum;
+			sides[i].linedef = sides[walls[i].nextwall].linedef;
 		}
 		else
 		{
-			sides[i].linenum = numlines++;
+			sides[i].linedef = (line_t*)(intptr_t)(numlines++);
 		}
 	}
 
@@ -538,7 +538,7 @@ static void LoadWalls (walltype *walls, int numwalls, sectortype *bsec)
 			continue;
 		}
 
-		j = sides[i].linenum;
+		j = int(intptr_t(sides[i].linedef));
 		lines[j].sidenum[0] = i;
 		lines[j].sidenum[1] = walls[i].nextwall;
 		lines[j].v1 = FindVertex (walls[i].x, walls[i].y);
@@ -620,17 +620,20 @@ static void LoadWalls (walltype *walls, int numwalls, sectortype *bsec)
 			slope.z[0] = slope.z[1] = slope.z[2] = -bsec->ceilingz;
 			CalcPlane (slope, sectors[i].ceilingplane);
 		}
+		int linenum = int(intptr_t(sides[bsec->wallptr].linedef));
 		if (bsec->floorstat & 64)
 		{ // floor is aligned to first wall
-			R_AlignFlat (sides[bsec->wallptr].linenum,
-				lines[sides[bsec->wallptr].linenum].sidenum[1] == (DWORD)bsec->wallptr, 0);
+			R_AlignFlat (linenum, lines[linenum].sidenum[1] == (DWORD)bsec->wallptr, 0);
 		}
 		if (bsec->ceilingstat & 64)
 		{ // ceiling is aligned to first wall
-			R_AlignFlat (sides[bsec->wallptr].linenum,
-				lines[sides[bsec->wallptr].linenum].sidenum[1] == (DWORD)bsec->wallptr, 0);
+			R_AlignFlat (linenum, lines[linenum].sidenum[1] == (DWORD)bsec->wallptr, 0);
 		}
 	}
+	for(i = 0; i < numsides; i++)
+	{
+		sides[i].linedef = &lines[intptr_t(sides[i].linedef)];
+	}
 }
 
 //==========================================================================

src/p_lnspec.cpp

@@ -1867,8 +1867,8 @@ static void SetWallScroller (int id, int sidechoice, fixed_t dx, fixed_t dy, int
 		{
 			int wallnum = scroller->GetWallNum ();
 
-			if (wallnum >= 0 && lines[sides[wallnum].linenum].id == id &&
-				lines[sides[wallnum].linenum].sidenum[sidechoice] == (DWORD)wallnum &&
+			if (wallnum >= 0 && sides[wallnum].linedef->id == id &&
+				sides[wallnum].linedef->sidenum[sidechoice] == (DWORD)wallnum &&
 				Where == scroller->GetScrollParts())
 			{
 				scroller->Destroy ();
@@ -1886,8 +1886,8 @@ static void SetWallScroller (int id, int sidechoice, fixed_t dx, fixed_t dy, int
 			while ( (collect.Obj = iterator.Next ()) )
 			{
 				if ((collect.RefNum = ((DScroller *)collect.Obj)->GetWallNum ()) != -1 &&
-					lines[sides[collect.RefNum].linenum].id == id &&
-					lines[sides[collect.RefNum].linenum].sidenum[sidechoice] == (DWORD)collect.RefNum &&
+					sides[collect.RefNum].linedef->id == id &&
+					sides[collect.RefNum].linedef->sidenum[sidechoice] == (DWORD)collect.RefNum &&
 					Where == ((DScroller *)collect.Obj)->GetScrollParts())
 				{
 					((DScroller *)collect.Obj)->SetRate (dx, dy);

src/p_setup.cpp

@@ -1755,13 +1755,13 @@ void P_FinishLoadingLineDef(line_t *ld, int alpha)
 
 	if (ld->sidenum[0] != NO_SIDE)
 	{
-		sides[ld->sidenum[0]].linenum = linenum;
+		sides[ld->sidenum[0]].linedef = ld;
 		sides[ld->sidenum[0]].TexelLength = len;
 
 	}
 	if (ld->sidenum[1] != NO_SIDE)
 	{
-		sides[ld->sidenum[1]].linenum = linenum;
+		sides[ld->sidenum[1]].linedef = ld;
 		sides[ld->sidenum[1]].TexelLength = len;
 	}
 
@@ -2056,7 +2056,7 @@ static void P_LoopSidedefs ()
 	{
 		// For each vertex, build a list of sidedefs that use that vertex
 		// as their left edge.
-		line_t *line = &lines[sides[i].linenum];
+		line_t *line = sides[i].linedef;
 		int lineside = (line->sidenum[0] != (DWORD)i);
 		int vert = int((lineside ? line->v2 : line->v1) - vertexes);
 		
@@ -2075,7 +2075,7 @@ static void P_LoopSidedefs ()
 	for (i = 0; i < numsides; ++i)
 	{
 		DWORD right;
-		line_t *line = &lines[sides[i].linenum];
+		line_t *line = sides[i].linedef;
 
 		// If the side's line only exists in a single sector,
 		// then consider that line to be a self-contained loop
@@ -2110,7 +2110,7 @@ static void P_LoopSidedefs ()
 				line_t *leftline, *rightline;
 				angle_t ang1, ang2, ang;
 
-				leftline = &lines[sides[i].linenum];
+				leftline = sides[i].linedef;
 				ang1 = R_PointToAngle2 (0, 0, leftline->dx, leftline->dy);
 				if (!sidetemp[i].b.lineside)
 				{
@@ -2121,7 +2121,7 @@ static void P_LoopSidedefs ()
 				{
 					if (sides[right].LeftSide == NO_SIDE)
 					{
-						rightline = &lines[sides[right].linenum];
+						rightline = sides[right].linedef;
 						if (rightline->frontsector != rightline->backsector)
 						{
 							ang2 = R_PointToAngle2 (0, 0, rightline->dx, rightline->dy);
@@ -2332,7 +2332,7 @@ void P_LoadSideDefs2 (MapData * map)
 		sd->SetTextureYOffset(LittleShort(msd->rowoffset)<<FRACBITS);
 		sd->SetTextureXScale(FRACUNIT);
 		sd->SetTextureYScale(FRACUNIT);
-		sd->linenum = NO_INDEX;
+		sd->linedef = NULL;
 		sd->Flags = 0;
 		sd->Index = i;
 

src/p_spec.cpp

@@ -1146,8 +1146,8 @@ void DScroller::Tick ()
 				sides[m_Affectee].AddTextureXOffset(side_t::top, dx);
 				sides[m_Affectee].AddTextureYOffset(side_t::top, dy);
 			}
-			if (m_Parts & scw_mid && (lines[sides[m_Affectee].linenum].backsector == NULL ||
-				!(lines[sides[m_Affectee].linenum].flags&ML_3DMIDTEX)))
+			if (m_Parts & scw_mid && (sides[m_Affectee].linedef->backsector == NULL ||
+				!(sides[m_Affectee].linedef->flags&ML_3DMIDTEX)))
 			{
 				sides[m_Affectee].AddTextureXOffset(side_t::mid, dx);
 				sides[m_Affectee].AddTextureYOffset(side_t::mid, dy);
@@ -1226,8 +1226,8 @@ DScroller::DScroller (EScrollType type, fixed_t dx, fixed_t dy,
 		{
 			m_Interpolations[0] = sides[m_Affectee].SetInterpolation(side_t::top);
 		}
-		if (m_Parts & scw_mid && (lines[sides[m_Affectee].linenum].backsector == NULL ||
-			!(lines[sides[m_Affectee].linenum].flags&ML_3DMIDTEX)))
+		if (m_Parts & scw_mid && (sides[m_Affectee].linedef->backsector == NULL ||
+			!(sides[m_Affectee].linedef->flags&ML_3DMIDTEX)))
 		{
 			m_Interpolations[1] = sides[m_Affectee].SetInterpolation(side_t::mid);
 		}
@@ -1298,8 +1298,8 @@ DScroller::DScroller (fixed_t dx, fixed_t dy, const line_t *l,
 	{
 		m_Interpolations[0] = sides[m_Affectee].SetInterpolation(side_t::top);
 	}
-	if (m_Parts & scw_mid && (lines[sides[m_Affectee].linenum].backsector == NULL ||
-		!(lines[sides[m_Affectee].linenum].flags&ML_3DMIDTEX)))
+	if (m_Parts & scw_mid && (sides[m_Affectee].linedef->backsector == NULL ||
+		!(sides[m_Affectee].linedef->flags&ML_3DMIDTEX)))
 	{
 		m_Interpolations[1] = sides[m_Affectee].SetInterpolation(side_t::mid);
 	}

src/p_switch.cpp

@@ -576,7 +576,7 @@ bool P_ChangeSwitchTexture (side_t *side, int useAgain, BYTE special, bool *ques
 	//		facing a big sector (and which wasn't necessarily for the
 	//		button just activated, either).
 	fixed_t pt[2];
-	line_t *line = &lines[side->linenum];
+	line_t *line = side->linedef;
 	bool playsound;
 
 	pt[0] = line->v1->x + (line->dx >> 1);

src/p_udmf.cpp

@@ -1306,7 +1306,7 @@ struct UDMFParser
 				{
 					int mapside = lines[line].sidenum[sd];
 					sides[side] = ParsedSides[mapside];
-					sides[side].linenum = line;
+					sides[side].linedef = &lines[line];
 					sides[side].sector = &sectors[intptr_t(sides[side].sector)];
 					lines[line].sidenum[sd] = side;
 

src/r_defs.h

@@ -156,6 +156,7 @@ public:
 //
 class DSectorEffect;
 struct sector_t;
+struct line_t;
 struct FRemapTable;
 
 enum
@@ -348,10 +349,6 @@ struct FExtraLight
 	void InsertLight (const secplane_t &plane, line_t *line, int type);
 };
 
-// this substructure contains a few sector properties that are stored in dynamic arrays
-// These must not be copied by R_FakeFlat etc. or bad things will happen.
-struct sector_t;
-
 struct FLinkedSector
 {
 	sector_t *Sector;
@@ -359,6 +356,8 @@ struct FLinkedSector
 };
 
 
+// this substructure contains a few sector properties that are stored in dynamic arrays
+// These must not be copied by R_FakeFlat etc. or bad things will happen.
 struct extsector_t
 {
 	// Boom sector transfer information
@@ -747,7 +746,8 @@ struct side_t
 	sector_t*	sector;			// Sector the SideDef is facing.
 	DBaseDecal*	AttachedDecals;	// [RH] Decals bound to the wall
 	part		textures[3];
-	DWORD		linenum;
+	line_t		*linedef;
+	//DWORD		linenum;
 	DWORD		LeftSide, RightSide;	// [RH] Group walls into loops
 	WORD		TexelLength;
 	SWORD		Light;

src/r_segs.cpp

@@ -1465,19 +1465,19 @@ int side_t::GetLightLevel (bool foggy, int baselight) const
 		if (!(Flags & WALLF_NOFAKECONTRAST))
 		{
 			if (((level.flags2 & LEVEL2_SMOOTHLIGHTING) || (Flags & WALLF_SMOOTHLIGHTING) || r_smoothlighting) &&
-				lines[linenum].dx != 0)
+				linedef->dx != 0)
 			{
 				baselight += int // OMG LEE KILLOUGH LIVES! :/
 					(
 						(float(level.WallHorizLight)
-						+abs(atan(float(lines[linenum].dy)/float(lines[linenum].dx))/float(1.57079))
+						+abs(atan(float(linedef->dy)/float(linedef->dx))/float(1.57079))
 						*float(level.WallVertLight - level.WallHorizLight))
 					);
 			}
 			else
 			{
-				baselight += lines[linenum].dx==0? level.WallVertLight : 
-							 lines[linenum].dy==0? level.WallHorizLight : 0;
+				baselight += linedef->dx==0? level.WallVertLight : 
+							 linedef->dy==0? level.WallHorizLight : 0;
 			}
 		}
 		if (!(Flags & WALLF_ABSLIGHTING))