Remove polymost stuff

- Maybe it will be back someday, but it's been essentially dead for nearly
  10 years, so don't hold your breath.

src/CMakeLists.txt

@@ -896,7 +896,6 @@ add_executable( zdoom WIN32
 	r_drawt.cpp
 	r_main.cpp
 	r_plane.cpp
-	r_polymost.cpp
 	r_segs.cpp
 	r_sky.cpp
 	r_things.cpp

src/d_main.cpp

@@ -108,10 +108,6 @@
 #include "r_renderer.h"
 #include "p_local.h"
 
-#ifdef USE_POLYMOST
-#include "r_polymost.h"
-#endif
-
 EXTERN_CVAR(Bool, hud_althud)
 void DrawHUD();
 
@@ -186,9 +182,6 @@ CUSTOM_CVAR (Int, fraglimit, 0, CVAR_SERVERINFO)
 	}
 }
 
-#ifdef USE_POLYMOST
-CVAR(Bool, testpolymost, false, 0)
-#endif
 CVAR (Float, timelimit, 0.f, CVAR_SERVERINFO);
 CVAR (Int, wipetype, 1, CVAR_ARCHIVE);
 CVAR (Int, snd_drawoutput, 0, 0);
@@ -282,10 +275,6 @@ void D_ProcessEvents (void)
 			continue;				// console ate the event
 		if (M_Responder (ev))
 			continue;				// menu ate the event
-		#ifdef USE_POLYMOST
-			if (testpolymost)
-				Polymost_Responder (ev);
-		#endif
 		G_Responder (ev);
 	}
 }
@@ -307,9 +296,6 @@ void D_PostEvent (const event_t *ev)
 	}
 	events[eventhead] = *ev;
 	if (ev->type == EV_Mouse && !paused && menuactive == MENU_Off && ConsoleState != c_down && ConsoleState != c_falling
-#ifdef USE_POLYMOST
-		&& !testpolymost		
-#endif
 		)
 	{
 		if (Button_Mlook.bDown || freelook)
@@ -743,15 +729,7 @@ void D_Display ()
 
 	hw2d = false;
 
-#ifdef USE_POLYMOST
-	if (testpolymost)
-	{
-		drawpolymosttest();
-		C_DrawConsole(hw2d);
-		M_Drawer();
-	}
-	else
-#endif
+
 	{
 		unsigned int nowtime = I_FPSTime();
 		TexMan.UpdateAnimations(nowtime);

src/r_main.cpp

@@ -72,8 +72,6 @@
 // EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
 
 void R_SpanInitData ();
-void RP_RenderBSPNode (void *node);
-bool RP_SetupFrame (bool backside);
 void R_DeinitSprites();
 
 // PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
@@ -94,14 +92,12 @@ extern "C" int fuzzviewheight;
 static float CurrentVisibility = 8.f;
 static fixed_t MaxVisForWall;
 static fixed_t MaxVisForFloor;
-static bool polyclipped;
 extern bool r_showviewer;
 bool r_dontmaplines;
 
 // PUBLIC DATA DEFINITIONS -------------------------------------------------
 
 CVAR (String, r_viewsize, "", CVAR_NOSET)
-CVAR (Int, r_polymost, 0, 0)
 CVAR (Bool, r_shadercolormaps, true, CVAR_ARCHIVE)
 
 fixed_t			r_BaseVisibility;
@@ -612,14 +608,6 @@ void R_SetupFreelook()
 	}
 }
 
-void R_SetupPolymost()
-{
-	if (r_polymost)
-	{
-		polyclipped = RP_SetupFrame (false);
-	}
-}
-
 //==========================================================================
 //
 // R_EnterMirror
@@ -812,11 +800,8 @@ void R_RenderActorView (AActor *actor, bool dontmaplines)
 	}
 	// Link the polyobjects right before drawing the scene to reduce the amounts of calls to this function
 	PO_LinkToSubsectors();
-	if (r_polymost < 2)
-	{
 	R_RenderBSPNode (nodes + numnodes - 1);	// The head node is the last node output.
 	R_3D_ResetClip(); // reset clips (floor/ceiling)
-	}
 	camera->renderflags = savedflags;
 	WallCycles.Unclock();
 
@@ -843,16 +828,6 @@ void R_RenderActorView (AActor *actor, bool dontmaplines)
 		MaskedCycles.Unclock();
 
 		NetUpdate ();
-
-		if (r_polymost)
-		{
-			RP_RenderBSPNode (nodes + numnodes - 1);
-			if (polyclipped)
-			{
-				RP_SetupFrame (true);
-				RP_RenderBSPNode (nodes + numnodes - 1);
-			}
-		}
 	}
 	WallMirrors.Clear ();
 	interpolator.RestoreInterpolations ();

src/r_polymost.h

@@ -1,55 +0,0 @@
-/**************************************************************************************************
-"POLYMOST" code written by Ken Silverman
-**************************************************************************************************/
-
-#include "c_cvars.h"
-
-typedef void (*pmostcallbacktype)(double *dpx, double *dpy, int n, void *userdata);
-
-class PolyClipper
-{
-public:
-	PolyClipper();
-	~PolyClipper();
-
-	void InitMosts (double *px, double *py, int n);
-	bool TestVisibleMost (float x0, float x1);
-	int DoMost (float x0, float y0, float x1, float y1, pmostcallbacktype callback, void *callbackdata);
-
-private:
-    struct vsptype
-	{
-		float X, Cy[2], Fy[2];
-		int Tag, CTag, FTag;
-		vsptype *Next, *Prev;
-	};
-
-	enum { GROUP_SIZE = 128 };
-
-	struct vspgroup
-	{
-		vspgroup (vsptype *sentinel);
-
-		vspgroup *NextGroup;
-		vsptype vsp[GROUP_SIZE];
-	};
-
-	vsptype EmptyList;
-	vsptype UsedList;
-	vspgroup vsps;
-	vsptype Solid;
-    
-	int GTag;
-
-	vsptype *vsinsaft (vsptype *vsp);
-	void EmptyAll ();
-	void AddGroup ();
-	vsptype *GetVsp ();
-	void FreeVsp (vsptype *vsp);
-
-	friend void drawpolymosttest();
-
-};
-
-extern void drawpolymosttest();
-struct event_t; void Polymost_Responder (event_t *ev);

src/r_swrenderer.cpp

@@ -40,7 +40,6 @@
 #include "r_bsp.h"
 #include "r_swrenderer.h"
 #include "r_3dfloors.h"
-#include "r_polymost.h"
 #include "textures/textures.h"
 #include "r_data/voxels.h"
 
@@ -49,7 +48,6 @@ class FArchive;
 void R_SWRSetWindow(int windowSize, int fullWidth, int fullHeight, int stHeight, int trueratio);
 void R_SetupColormap(player_t *);
 void R_SetupFreelook();
-void R_SetupPolymost();
 void R_InitRenderer();
 
 extern float LastFOV;
@@ -245,7 +243,6 @@ void FSoftwareRenderer::SetupFrame(player_t *player)
 {
 	R_SetupColormap(player);
 	R_SetupFreelook();
-	R_SetupPolymost();
 }
 
 //==========================================================================

zdoom.vcproj

@@ -2309,10 +2309,6 @@
 					RelativePath=".\src\r_plane.cpp"
 					>
 				</File>
-				<File
-					RelativePath=".\src\r_polymost.cpp"
-					>
-				</File>
 				<File
 					RelativePath=".\src\r_segs.cpp"
 					>
@@ -2353,10 +2349,6 @@
 					RelativePath=".\src\r_plane.h"
 					>
 				</File>
-				<File
-					RelativePath=".\src\r_polymost.h"
-					>
-				</File>
 				<File
 					RelativePath=".\src\r_segs.h"
 					>