shithub: qk1

Download patch

ref: 5456cc33b02aa386b4b6d5800b8b9841726daf20
parent: c1b63eafb8d142260660717b929d500e4a9185cf
author: Sigrid Solveig Haflínudóttir <sigrid@ftrv.se>
date: Fri Nov 10 20:49:10 EST 2023

remove a bunch of unused stuff

--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,6 @@
 	cvar.o\
 	d_alpha.o\
 	d_edge.o\
-	d_fill.o\
 	d_init.o\
 	d_modech.o\
 	d_part.o\
--- a/chase.c
+++ b/chase.c
@@ -16,12 +16,6 @@
 	Cvar_RegisterVariable (&chase_active);
 }
 
-void Chase_Reset (void)
-{
-	// for respawning and teleporting
-	//	start position 12 units behind head
-}
-
 void TraceLine (vec3_t start, vec3_t end, vec3_t impact)
 {
 	trace_t	trace;
--- a/cl_input.c
+++ b/cl_input.c
@@ -22,16 +22,16 @@
 */
 
 
-kbutton_t	in_mlook, in_klook;
-kbutton_t	in_left, in_right, in_forward, in_back;
-kbutton_t	in_lookup, in_lookdown, in_moveleft, in_moveright;
-kbutton_t	in_strafe, in_speed, in_use, in_jump, in_attack;
-kbutton_t	in_up, in_down;
+kbutton_t in_strafe, in_mlook;
+static kbutton_t in_left, in_right, in_forward, in_back;
+static kbutton_t in_lookup, in_lookdown, in_moveleft, in_moveright;
+static kbutton_t in_klook, in_speed, in_use, in_jump, in_attack;
+static kbutton_t in_up, in_down;
 
-int			in_impulse;
+static int in_impulse;
 
 
-void KeyDown (kbutton_t *b)
+static void KeyDown (kbutton_t *b)
 {
 	int		k;
 	char	*c;
@@ -60,7 +60,7 @@
 	b->state |= 1 + 2;	// down + impulse down
 }
 
-void KeyUp (kbutton_t *b)
+static void KeyUp (kbutton_t *b)
 {
 	int		k;
 	char	*c;
@@ -90,49 +90,49 @@
 	b->state |= 4; 		// impulse up
 }
 
-void IN_KLookDown (void) {KeyDown(&in_klook);}
-void IN_KLookUp (void) {KeyUp(&in_klook);}
-void IN_MLookDown (void) {KeyDown(&in_mlook);}
-void IN_MLookUp (void) {
-KeyUp(&in_mlook);
-if ( !(in_mlook.state&1) &&  lookspring.value)
-	V_StartPitchDrift();
+static void IN_KLookDown (void) {KeyDown(&in_klook);}
+static void IN_KLookUp (void) {KeyUp(&in_klook);}
+static void IN_MLookDown (void) {KeyDown(&in_mlook);}
+static void IN_MLookUp (void) {
+	KeyUp(&in_mlook);
+	if ( !(in_mlook.state&1) &&  lookspring.value)
+		V_StartPitchDrift();
 }
-void IN_UpDown(void) {KeyDown(&in_up);}
-void IN_UpUp(void) {KeyUp(&in_up);}
-void IN_DownDown(void) {KeyDown(&in_down);}
-void IN_DownUp(void) {KeyUp(&in_down);}
-void IN_LeftDown(void) {KeyDown(&in_left);}
-void IN_LeftUp(void) {KeyUp(&in_left);}
-void IN_RightDown(void) {KeyDown(&in_right);}
-void IN_RightUp(void) {KeyUp(&in_right);}
-void IN_ForwardDown(void) {KeyDown(&in_forward);}
-void IN_ForwardUp(void) {KeyUp(&in_forward);}
-void IN_BackDown(void) {KeyDown(&in_back);}
-void IN_BackUp(void) {KeyUp(&in_back);}
-void IN_LookupDown(void) {KeyDown(&in_lookup);}
-void IN_LookupUp(void) {KeyUp(&in_lookup);}
-void IN_LookdownDown(void) {KeyDown(&in_lookdown);}
-void IN_LookdownUp(void) {KeyUp(&in_lookdown);}
-void IN_MoveleftDown(void) {KeyDown(&in_moveleft);}
-void IN_MoveleftUp(void) {KeyUp(&in_moveleft);}
-void IN_MoverightDown(void) {KeyDown(&in_moveright);}
-void IN_MoverightUp(void) {KeyUp(&in_moveright);}
+static void IN_UpDown(void) {KeyDown(&in_up);}
+static void IN_UpUp(void) {KeyUp(&in_up);}
+static void IN_DownDown(void) {KeyDown(&in_down);}
+static void IN_DownUp(void) {KeyUp(&in_down);}
+static void IN_LeftDown(void) {KeyDown(&in_left);}
+static void IN_LeftUp(void) {KeyUp(&in_left);}
+static void IN_RightDown(void) {KeyDown(&in_right);}
+static void IN_RightUp(void) {KeyUp(&in_right);}
+static void IN_ForwardDown(void) {KeyDown(&in_forward);}
+static void IN_ForwardUp(void) {KeyUp(&in_forward);}
+static void IN_BackDown(void) {KeyDown(&in_back);}
+static void IN_BackUp(void) {KeyUp(&in_back);}
+static void IN_LookupDown(void) {KeyDown(&in_lookup);}
+static void IN_LookupUp(void) {KeyUp(&in_lookup);}
+static void IN_LookdownDown(void) {KeyDown(&in_lookdown);}
+static void IN_LookdownUp(void) {KeyUp(&in_lookdown);}
+static void IN_MoveleftDown(void) {KeyDown(&in_moveleft);}
+static void IN_MoveleftUp(void) {KeyUp(&in_moveleft);}
+static void IN_MoverightDown(void) {KeyDown(&in_moveright);}
+static void IN_MoverightUp(void) {KeyUp(&in_moveright);}
 
-void IN_SpeedDown(void) {KeyDown(&in_speed);}
-void IN_SpeedUp(void) {KeyUp(&in_speed);}
-void IN_StrafeDown(void) {KeyDown(&in_strafe);}
-void IN_StrafeUp(void) {KeyUp(&in_strafe);}
+static void IN_SpeedDown(void) {KeyDown(&in_speed);}
+static void IN_SpeedUp(void) {KeyUp(&in_speed);}
+static void IN_StrafeDown(void) {KeyDown(&in_strafe);}
+static void IN_StrafeUp(void) {KeyUp(&in_strafe);}
 
-void IN_AttackDown(void) {KeyDown(&in_attack);}
-void IN_AttackUp(void) {KeyUp(&in_attack);}
+static void IN_AttackDown(void) {KeyDown(&in_attack);}
+static void IN_AttackUp(void) {KeyUp(&in_attack);}
 
-void IN_UseDown (void) {KeyDown(&in_use);}
-void IN_UseUp (void) {KeyUp(&in_use);}
-void IN_JumpDown (void) {KeyDown(&in_jump);}
-void IN_JumpUp (void) {KeyUp(&in_jump);}
+static void IN_UseDown (void) {KeyDown(&in_use);}
+static void IN_UseUp (void) {KeyUp(&in_use);}
+static void IN_JumpDown (void) {KeyDown(&in_jump);}
+static void IN_JumpUp (void) {KeyUp(&in_jump);}
 
-void
+static void
 IN_Impulse(void)
 {
 	in_impulse = atoi(Cmd_Argv(1));
@@ -148,7 +148,7 @@
 1.0 if held for the entire time
 ===============
 */
-float CL_KeyState (kbutton_t *key)
+static float CL_KeyState (kbutton_t *key)
 {
 	float		val;
 	bool	impulsedown, impulseup, down;
@@ -197,7 +197,7 @@
 Moves the local angle positions
 ================
 */
-void CL_AdjustAngles (void)
+static void CL_AdjustAngles (void)
 {
 	float	speed;
 	float	up, down;
@@ -390,6 +390,4 @@
 	Cmd_AddCommand ("-klook", IN_KLookUp);
 	Cmd_AddCommand ("+mlook", IN_MLookDown);
 	Cmd_AddCommand ("-mlook", IN_MLookUp);
-
 }
-
--- a/cl_main.c
+++ b/cl_main.c
@@ -8,7 +8,7 @@
 cvar_t	cl_color = {"_cl_color", "0", true};
 
 cvar_t	cl_shownet = {"cl_shownet","0"};	// can be 0, 1, or 2
-cvar_t	cl_nolerp = {"cl_nolerp","0"};
+static cvar_t cl_nolerp = {"cl_nolerp","0"};
 
 cvar_t	lookspring = {"lookspring","0", true};
 cvar_t	lookstrafe = {"lookstrafe","0", true};
@@ -19,11 +19,11 @@
 cvar_t	m_forward = {"m_forward","1", true};
 cvar_t	m_side = {"m_side","0.8", true};
 
+static efrag_t *cl_efrags;
 
 client_static_t	cls;
 client_state_t	cl;
 entity_t		**cl_visedicts;
-efrag_t			*cl_efrags;
 entity_t		*cl_entities;
 entity_t		*cl_static_entities;
 lightstyle_t	cl_lightstyle[Nlights];
@@ -77,7 +77,7 @@
 	stopallsfx();
 
 	// bring the console down and fade the colors back to normal
-	//	SCR_BringDownConsole ();
+	SCR_BringDownConsole ();
 
 	// if running a local server, shut it down
 	if (cls.demoplayback)
@@ -110,9 +110,6 @@
 		Host_ShutdownServer (false);
 }
 
-
-
-
 /*
 =====================
 CL_EstablishConnection
@@ -220,7 +217,7 @@
 CL_PrintEntities_f
 ==============
 */
-void CL_PrintEntities_f (void)
+static void CL_PrintEntities_f (void)
 {
 	entity_t	*ent;
 	int			i;
@@ -237,20 +234,8 @@
 	}
 }
 
-
 /*
 ===============
-SetPal
-
-Debugging tool, just flashes the screen
-===============
-*/
-void SetPal (int /*i*/)
-{
-}
-
-/*
-===============
 CL_AllocDlight
 
 ===============
@@ -329,7 +314,7 @@
 should be put at.
 ===============
 */
-float	CL_LerpPoint (void)
+static float	CL_LerpPoint (void)
 {
 	float	f, frac;
 
@@ -347,29 +332,18 @@
 		f = 0.1;
 	}
 	frac = (cl.time - cl.mtime[1]) / f;
-	//Con_Printf ("frac: %f\n",frac);
 	if (frac < 0)
 	{
 		if (frac < -0.01)
-		{
-			SetPal(1);
 			cl.time = cl.mtime[1];
-			//Con_Printf ("low frac\n");
-		}
 		frac = 0;
 	}
 	else if (frac > 1)
 	{
 		if (frac > 1.01)
-		{
-			SetPal(2);
 			cl.time = cl.mtime[0];
-			//Con_Printf ("high frac\n");
-		}
 		frac = 1;
 	}
-	else
-		SetPal(0);
 
 	return frac;
 }
@@ -380,7 +354,7 @@
 CL_RelinkEntities
 ===============
 */
-void CL_RelinkEntities (void)
+static void CL_RelinkEntities (void)
 {
 	entity_t	*ent;
 	int			i, j;
@@ -588,13 +562,13 @@
 
 	if (cls.signon == SIGNONS)
 	{
-	// get basic movement from keyboard
+		// get basic movement from keyboard
 		CL_BaseMove (&cmd);
 
-	// allow mice or other external controllers to add to the move
+		// allow mice or other external controllers to add to the move
 		IN_Move (&cmd);
 
-	// send the unreliable message
+		// send the unreliable message
 		CL_SendMove (&cmd);
 
 	}
@@ -661,8 +635,8 @@
 	Cvar_RegisterVariable (&m_forward);
 	Cvar_RegisterVariable (&m_side);
 
-	Cmd_AddCommand ("entities", CL_PrintEntities_f);
-	Cmd_AddCommand ("disconnect", CL_Disconnect_f);
+	Cmd_AddCommand("entities", CL_PrintEntities_f);
+	Cmd_AddCommand("disconnect", CL_Disconnect_f);
 	Cmd_AddCommand("stop", stopdemo);
 	Cmd_AddCommand("record", recdemo);
 	Cmd_AddCommand("playdemo", playdemo);
--- a/cl_parse.c
+++ b/cl_parse.c
@@ -1,6 +1,6 @@
 #include "quakedef.h"
 
-static char *svc_strings[] =
+static const char *svc_strings[] =
 {
 	"svc_bad",
 	"svc_nop",
--- a/client.h
+++ b/client.h
@@ -221,7 +221,6 @@
 extern	cvar_t	cl_anglespeedkey;
 
 extern	cvar_t	cl_shownet;
-extern	cvar_t	cl_nolerp;
 
 extern	cvar_t	cl_pitchdriftspeed;
 extern	cvar_t	lookspring;
@@ -239,8 +238,6 @@
 
 extern	client_state_t	cl;
 
-// FIXME, allocate dynamically
-extern	efrag_t			*cl_efrags;
 extern	entity_t		*cl_entities;
 extern	entity_t		*cl_static_entities;
 extern	lightstyle_t	cl_lightstyle[Nlights];
@@ -280,9 +277,7 @@
 	int		state;			// low bit is down state
 } kbutton_t;
 
-extern	kbutton_t	in_mlook, in_klook;
-extern 	kbutton_t 	in_strafe;
-extern 	kbutton_t 	in_speed;
+extern kbutton_t in_mlook, in_strafe;
 
 void CL_InitInput (void);
 void CL_SendCmd (void);
@@ -300,7 +295,6 @@
 void CL_BaseMove (usercmd_t *cmd);
 
 
-float CL_KeyState (kbutton_t *key);
 char *Key_KeynumToString (int keynum);
 
 //
--- a/cmd.c
+++ b/cmd.c
@@ -11,13 +11,10 @@
 	char	*value;
 } cmdalias_t;
 
-cmdalias_t	*cmd_alias;
+static cmdalias_t	*cmd_alias;
 
-int trashtest;
-int *trashspot;
+static bool	cmd_wait;
 
-bool	cmd_wait;
-
 //=============================================================================
 
 /*
@@ -29,8 +26,8 @@
 bind g "impulse 5 ; +attack ; wait ; -attack ; impulse 2"
 ============
 */
-void Cmd_Wait_f (void)
-{
+static void Cmd_Wait_f (void)
+{
 	cmd_wait = true;
 }
 
@@ -42,7 +39,7 @@
 =============================================================================
 */
 
-sizebuf_t	cmd_text;
+static sizebuf_t	cmd_text;
 
 /*
 ============
@@ -179,81 +176,6 @@
 
 /*
 ===============
-Cmd_StuffCmds_f
-
-Adds command line parameters as script statements
-Commands lead with a +, and continue until a - or another +
-quake +prog jctest.qp +cmd amlev1
-quake -nosound +cmd amlev1
-===============
-*/
-void Cmd_StuffCmds_f (void)
-{
-	int		i, j;
-	int		s;
-	char	*text, *build, c;
-
-	if (Cmd_Argc () != 1)
-	{
-		Con_Printf ("stuffcmds : execute command line parameters\n");
-		return;
-	}
-
-	// build the combined string to parse from
-	s = 0;
-	for (i=1 ; i<com_argc ; i++)
-	{
-		if (!com_argv[i])
-			continue;		// NEXTSTEP nulls out -NXHost
-		s += strlen(com_argv[i]) + 1;
-	}
-	if (!s)
-		return;
-
-	text = Z_Malloc (s+1);
-	text[0] = 0;
-	for (i=1 ; i<com_argc ; i++)
-	{
-		if (!com_argv[i])
-			continue;		// NEXTSTEP nulls out -NXHost
-		strcat(text, com_argv[i]);
-		if (i != com_argc-1)
-			strcat(text, " ");
-	}
-
-	// pull out the commands
-	build = Z_Malloc (s+1);
-	build[0] = 0;
-
-	for (i=0 ; i<s-1 ; i++)
-	{
-		if (text[i] == '+')
-		{
-			i++;
-
-			for (j=i ; (text[j] != '+') && (text[j] != '-') && (text[j] != 0) ; j++)
-				;
-
-			c = text[j];
-			text[j] = 0;
-
-			strcat(build, text+i);
-			strcat(build, "\n");
-			text[j] = c;
-			i = j-1;
-		}
-	}
-
-	if (build[0])
-		Cbuf_InsertText (build);
-
-	Z_Free (text);
-	Z_Free (build);
-}
-
-
-/*
-===============
 Cmd_Exec_f
 ===============
 */
@@ -403,7 +325,6 @@
 */
 void Cmd_Init (void)
 {
-	Cmd_AddCommand ("stuffcmds",Cmd_StuffCmds_f);
 	Cmd_AddCommand ("exec",Cmd_Exec_f);
 	Cmd_AddCommand ("echo",Cmd_Echo_f);
 	Cmd_AddCommand ("alias",Cmd_Alias_f);
--- a/common.c
+++ b/common.c
@@ -2,11 +2,7 @@
 
 cvar_t  registered = {"registered","0"};
 
-bool		msg_suppress_1 = 0;
-
 char	com_token[1024];
-int		com_argc;
-char	**com_argv;
 
 bool		standard_quake = true, rogue, hipnotic;
 
@@ -44,13 +40,6 @@
 	l->prev->next = l;
 	l->next->prev = l;
 }
-void InsertLinkAfter (link_t *l, link_t *after)
-{
-	l->next = after->next;
-	l->prev = after;
-	l->prev->next = l;
-	l->next->prev = l;
-}
 
 /*
 ============================================================================
@@ -334,16 +323,6 @@
 	buf->maxsize = startsize;
 	buf->cursize = 0;
 	setmalloctag(buf->data, getcallerpc(&buf));
-}
-
-
-void
-SZ_Free(sizebuf_t *buf)
-{
-	//Z_Free (buf->data);
-	//buf->data = nil;
-	//buf->maxsize = 0;
-	buf->cursize = 0;
 }
 
 void
--- a/common.h
+++ b/common.h
@@ -11,7 +11,6 @@
 } sizebuf_t;
 
 void SZ_Alloc (sizebuf_t *buf, int startsize);
-void SZ_Free (sizebuf_t *buf);
 void SZ_Clear (sizebuf_t *buf);
 void *SZ_GetSpace (sizebuf_t *buf, int length);
 void SZ_Write (sizebuf_t *buf, void *data, int length);
@@ -28,7 +27,6 @@
 void ClearLink (link_t *l);
 void RemoveLink (link_t *l);
 void InsertLinkBefore (link_t *l, link_t *before);
-void InsertLinkAfter (link_t *l, link_t *after);
 
 //============================================================================
 
@@ -112,8 +110,6 @@
 extern	bool	com_eof;
 
 char *COM_Parse (char *data);
-extern	int		com_argc;
-extern	char	**com_argv;
 
 #pragma varargck	argpos	va	1
 char	*va(char *format, ...);
--- a/console.c
+++ b/console.c
@@ -304,10 +304,10 @@
 	// update the screen if the console is displayed
 	if(cls.signon != SIGNONS && !scr_disabled_for_loading){
 		/* protect against infinite loop if something in
-		 * SCR_UpdateScreen() calls Con_Printf() */
+		 * SCR_UpdateScreen(...) calls Con_Printf() */
 		if(!inupdate){
 			inupdate = true;
-			SCR_UpdateScreen();
+			SCR_UpdateScreen(false);
 			inupdate = false;
 		}
 	}
@@ -415,7 +415,6 @@
 		text = con_text + (i % con_totallines)*con_linewidth;
 
 		clearnotify = 0;
-		scr_copytop = 1;
 
 		for (x = 0 ; x < con_linewidth ; x++)
 			Draw_Character ( (x+1)<<3, v, text[x]);
@@ -427,7 +426,6 @@
 	if (key_dest == key_message)
 	{
 		clearnotify = 0;
-		scr_copytop = 1;
 
 		x = 0;
 
--- a/cvar.c
+++ b/cvar.c
@@ -1,7 +1,6 @@
 #include "quakedef.h"
 
 cvar_t	*cvar_vars;
-char	*cvar_null_string = "";
 
 /*
 ============
@@ -45,7 +44,7 @@
 
 	var = Cvar_FindVar (var_name);
 	if (!var)
-		return cvar_null_string;
+		return "";
 	return var->string;
 }
 
--- a/d_edge.c
+++ b/d_edge.c
@@ -9,26 +9,12 @@
 extern void			R_RotateBmodel (void);
 extern void			R_TransformFrustum (void);
 
-vec3_t		transformed_modelorg;
-
 /*
-==============
-D_DrawPoly
-
-==============
-*/
-void D_DrawPoly (void)
-{
-// this driver takes spans, not polygons
-}
-
-
-/*
 =============
 D_MipLevelForScale
 =============
 */
-int D_MipLevelForScale (float scale)
+static int D_MipLevelForScale (float scale)
 {
 	int		lmiplevel;
 
@@ -56,7 +42,7 @@
 
 // FIXME: clean this up
 
-void D_DrawSolidSurface (surf_t *surf, int color)
+static void D_DrawSolidSurface (surf_t *surf, int color)
 {
 	espan_t	*span;
 	byte	*pdest;
@@ -96,7 +82,7 @@
 D_CalcGradients
 ==============
 */
-void D_CalcGradients (msurface_t *pface)
+static void D_CalcGradients (msurface_t *pface, vec3_t transformed_modelorg)
 {
 	float		mipscale;
 	vec3_t		p_temp1;
@@ -148,6 +134,7 @@
 	surfcache_t		*pcurrentcache;
 	vec3_t			world_transformed_modelorg;
 	vec3_t			local_modelorg;
+	vec3_t			transformed_modelorg;
 	byte			alpha;
 
 	currententity = &cl_entities[0];
@@ -215,7 +202,7 @@
 									// make entity passed in
 			}
 
-			D_CalcGradients (pface);
+			D_CalcGradients (pface, transformed_modelorg);
 			Turbulent8 (s->spans, alpha);
 			D_DrawZSpans (s->spans);
 
@@ -262,7 +249,7 @@
 			cacheblock = (pixel_t *)pcurrentcache->data;
 			cachewidth = pcurrentcache->width;
 
-			D_CalcGradients (pface);
+			D_CalcGradients (pface, transformed_modelorg);
 
 			if(s->flags & SURF_FENCE)
 				D_DrawSpans16_Fence(s->spans, alpha);
--- a/d_fill.c
+++ /dev/null
@@ -1,66 +1,0 @@
-#include "quakedef.h"
-
-/*
-================
-D_FillRect
-================
-*/
-void D_FillRect (vrect_t *rect, int color)
-{
-	int				rx, ry, rwidth, rheight;
-	unsigned char	*dest;
-	unsigned		*ldest;
-
-	rx = rect->x;
-	ry = rect->y;
-	rwidth = rect->width;
-	rheight = rect->height;
-
-	if (rx < 0)
-	{
-		rwidth += rx;
-		rx = 0;
-	}
-	if (ry < 0)
-	{
-		rheight += ry;
-		ry = 0;
-	}
-	if (rx+rwidth > vid.width)
-		rwidth = vid.width - rx;
-	if (ry+rheight > vid.height)
-		rheight = vid.height - rx;
-
-	if (rwidth < 1 || rheight < 1)
-		return;
-
-	dest = ((byte *)vid.buffer + ry*vid.rowbytes + rx);
-
-	if (((rwidth & 0x03) == 0) && (((uintptr)dest & 0x03) == 0))
-	{
-		// faster aligned dword clear
-		ldest = (unsigned *)dest;
-		color += color << 16;
-
-		rwidth >>= 2;
-		color += color << 8;
-
-		for (ry=0 ; ry<rheight ; ry++)
-		{
-			for (rx=0 ; rx<rwidth ; rx++)
-				ldest[rx] = color;
-			ldest = (unsigned *)((byte*)ldest + vid.rowbytes);
-		}
-	}
-	else
-	{
-		// slower byte-by-byte clear for unaligned cases
-		for (ry=0 ; ry<rheight ; ry++)
-		{
-			for (rx=0 ; rx<rwidth ; rx++)
-				dest[rx] = color;
-			dest += vid.rowbytes;
-		}
-	}
-}
-
--- a/d_iface.h
+++ b/d_iface.h
@@ -37,13 +37,6 @@
 	float	u, v, zi, s, t;
 } polyvert_t;
 
-typedef struct polydesc_s {
-	int			numverts;
-	float		nearzi;
-	msurface_t	*pcurrentface;
-	polyvert_t	*pverts;
-} polydesc_t;
-
 // !!! if this is changed, it must be changed in d_ifacea.h too !!!
 typedef struct finalvert_s {
 	int		v[6];		// u, v, s, t, l, 1/z
@@ -81,13 +74,6 @@
 	float			nearzi;
 } spritedesc_t;
 
-typedef struct
-{
-	int		u, v;
-	float	zi;
-	int		color;
-} zpointdesc_t;
-
 extern int		d_spanpixcount;
 extern int		r_framecount;		// sequence # of current frame since Quake
 									//  started
@@ -104,8 +90,6 @@
 
 extern affinetridesc_t	r_affinetridesc;
 extern spritedesc_t		r_spritedesc;
-extern zpointdesc_t		r_zpointdesc;
-extern polydesc_t		r_polydesc;
 extern vec3_t	r_pright, r_pup, r_ppn;
 
 
@@ -123,9 +107,7 @@
 void D_StartParticles (void);
 void D_WarpScreen (void);
 
-void D_FillRect (vrect_t *vrect, int color);
 void D_DrawRect (void);
-void D_UpdateRects (vrect_t *prect);
 
 // currently for internal use only, and should be a do-nothing function in
 // hardware drivers
@@ -164,9 +146,7 @@
 extern drawsurf_t	r_drawsurf;
 
 void R_DrawSurface (void);
-void R_GenTile (msurface_t *psurf, void *pdest);
 
-
 // !!! if this is changed, it must be changed in d_ifacea.h too !!!
 #define TURB_TEX_SIZE	64		// base turbulent texture size
 
@@ -175,7 +155,7 @@
 
 #define TILE_SIZE		128		// size of textures generated by R_GenTiledSurf
 
-extern float	skyspeed, skyspeed2;
+extern float	skyspeed;
 extern float	skytime;
 
 extern int		c_surf;
--- a/d_init.c
+++ b/d_init.c
@@ -2,8 +2,8 @@
 
 #define NUM_MIPS	4
 
-cvar_t	d_mipcap = {"d_mipcap", "0"};
-cvar_t	d_mipscale = {"d_mipscale", "1"};
+static cvar_t	d_mipcap = {"d_mipcap", "0"};
+static cvar_t	d_mipscale = {"d_mipscale", "1"};
 
 surfcache_t		*d_initial_rover;
 bool		d_roverwrapped;
@@ -62,16 +62,3 @@
 
 	d_drawspans = D_DrawSpans16;
 }
-
-
-/*
-===============
-D_UpdateRects
-===============
-*/
-void D_UpdateRects (vrect_t *prect)
-{
-	// the software driver draws these directly to the vid buffer
-	USED(prect);
-}
-
--- a/d_local.h
+++ b/d_local.h
@@ -62,8 +62,6 @@
 void R_ShowSubDiv (void);
 surfcache_t	*D_CacheSurface (msurface_t *surface, int miplevel);
 
-extern int D_MipLevelForScale (float scale);
-
 extern uzint *d_pzbuffer;
 extern unsigned int d_zrowbytes, d_zwidth;
 
--- a/d_polyse.c
+++ b/d_polyse.c
@@ -52,7 +52,7 @@
 static int r_zistepx, r_zistepy;
 static int d_aspancount, d_countextrastep;
 
-spanpackage_t *d_pedgespanpackage;
+static spanpackage_t *d_pedgespanpackage;
 static int ystart;
 static byte *d_pdest, *d_ptex;
 static uzint *d_pz;
--- a/d_surf.c
+++ b/d_surf.c
@@ -1,7 +1,7 @@
 #include "quakedef.h"
 
-float		   surfscale;
-bool		r_cache_thrash;		 // set if surface cache is thrashing
+static float surfscale;
+bool r_cache_thrash;		 // set if surface cache is thrashing
 
 surfcache_t *sc_rover;
 
@@ -54,8 +54,7 @@
 */
 void D_InitCaches (void *buffer, int size)
 {
-	if (!msg_suppress_1)
-		Con_Printf ("%dk surface cache\n", size/1024);
+	Con_Printf ("%dk surface cache\n", size/1024);
 
 	sc_size = size - GUARDSIZE;
 	sc_base = (surfcache_t *)buffer;
@@ -177,18 +176,6 @@
 
 D_CheckCacheGuard ();   // DEBUG
 	return new;
-}
-
-void
-D_SCDump(void)
-{
-	surfcache_t *s;
-
-	for(s = sc_base; s != nil; s = s->next){
-		if(s == sc_rover)
-			Con_DPrintf("ROVER:\n");
-		Con_DPrintf("%p : %d bytes	 %ud width\n", s, s->size, s->width);
-	}
 }
 
 /*
--- a/draw.c
+++ b/draw.c
@@ -8,12 +8,12 @@
 	int		rowbytes;
 } rectdesc_t;
 
+qpic_t *draw_disc;
+
 static rectdesc_t	r_rectdesc;
+static byte *draw_chars;				// 8*8 graphic characters
+static qpic_t *draw_backtile;
 
-byte		*draw_chars;				// 8*8 graphic characters
-qpic_t		*draw_disc;
-qpic_t		*draw_backtile;
-
 //=============================================================================
 /* Support Routines */
 
@@ -24,10 +24,9 @@
 } cachepic_t;
 
 #define	MAX_CACHED_PICS		128
-cachepic_t	menu_cachepics[MAX_CACHED_PICS];
-int			menu_numcachepics;
+static cachepic_t menu_cachepics[MAX_CACHED_PICS];
+static int menu_numcachepics;
 
-
 qpic_t	*Draw_PicFromWad (char *name)
 {
 	return W_GetLumpName (name);
@@ -158,49 +157,6 @@
 		Draw_Character (x, y, *str);
 		str++;
 		x += 8;
-	}
-}
-
-/*
-================
-Draw_DebugChar
-
-Draws a single character directly to the upper right corner of the screen.
-This is for debugging lockups by drawing different chars in different parts
-of the code.
-================
-*/
-void Draw_DebugChar (char num)
-{
-	byte			*dest;
-	byte			*source;
-	int				drawline;
-	extern byte		*draw_chars;
-	int				row, col;
-
-	if (!vid.direct)
-		return;		// don't have direct FB access, so no debugchars...
-
-	drawline = 8;
-
-	row = num>>4;
-	col = num&15;
-	source = draw_chars + (row<<10) + (col<<3);
-
-	dest = vid.direct + 312;
-
-	while (drawline--)
-	{
-		dest[0] = source[0];
-		dest[1] = source[1];
-		dest[2] = source[2];
-		dest[3] = source[3];
-		dest[4] = source[4];
-		dest[5] = source[5];
-		dest[6] = source[6];
-		dest[7] = source[7];
-		source += 128;
-		dest += 320;
 	}
 }
 
--- a/draw.h
+++ b/draw.h
@@ -5,7 +5,6 @@
 
 void Draw_Init (void);
 void Draw_Character (int x, int y, int num);
-void Draw_DebugChar (char num);
 void Draw_Pic (int x, int y, qpic_t *pic);
 void Draw_TransPic (int x, int y, qpic_t *pic);
 void Draw_TransPicTranslate (int x, int y, qpic_t *pic, byte *translation);
--- a/host.c
+++ b/host.c
@@ -17,11 +17,12 @@
 double		host_frametime;
 double		host_time;
 double		realtime;				// without any filtering or bounding
-double		oldrealtime;			// last frame run
 int			host_framecount;
 
-void		*host_hunklevel;
+static double oldrealtime;			// last frame run
 
+static void *host_hunklevel;
+
 client_t	*host_client;			// current client
 
 jmp_buf 	host_abortserver;
@@ -502,7 +503,7 @@
 	if (host_speeds.value)
 		time1 = dtime ();
 
-	SCR_UpdateScreen ();
+	SCR_UpdateScreen (false);
 
 	if (host_speeds.value)
 		time2 = dtime ();
--- a/keys.c
+++ b/keys.c
@@ -10,22 +10,23 @@
 #define		MAXCMDLINE	256
 char	key_lines[32][MAXCMDLINE];
 int		key_linepos;
-int		shift_down=false;
 int		key_lastpress;
+static bool shift_down;
 
 int		edit_line=0;
-int		history_line=0;
+static int history_line;
 
 keydest_t	key_dest;
 
 int		key_count;			// incremented every key event
 
-char	*keybindings[256];
-bool	consolekeys[256];	// if true, can't be rebound while in console
-bool	menubound[256];	// if true, can't be rebound while in menu
-int		keyshift[256];		// key to map to if shift held down in console
-int		key_repeats[256];	// if > 1, it is autorepeating
+char *keybindings[256];
+static bool menubound[256]; // if true, can't be rebound while in menu
+static int keyshift[256]; // key to map to if shift held down in console
 
+static int key_repeats[256]; // if > 1, it is autorepeating
+static bool consolekeys[256]; // if true, can't be rebound while in console
+
 typedef struct
 {
 	char	*name;
@@ -32,7 +33,7 @@
 	int		keynum;
 } keyname_t;
 
-keyname_t keynames[] =
+static keyname_t keynames[] =
 {
 	{"TAB", K_TAB},
 	{"ENTER", K_ENTER},
@@ -150,7 +151,7 @@
 		key_lines[edit_line][0] = ']';
 		key_linepos = 1;
 		if (cls.state == ca_disconnected)
-			SCR_UpdateScreen ();	// force an update, because the command
+			SCR_UpdateScreen (false);	// force an update, because the command
 									// may take some time
 		return;
 	}
@@ -676,13 +677,4 @@
 	default:
 		fatal ("Bad key_dest");
 	}
-}
-
-void
-Key_ClearStates(void)
-{
-	int i;
-
-	for(i=0; i<256; i++)
-		key_repeats[i] = 0;
 }
--- a/keys.h
+++ b/keys.h
@@ -101,7 +101,6 @@
 
 extern keydest_t	key_dest;
 extern char *keybindings[256];
-extern	int		key_repeats[256];
 extern	int		key_count;			// incremented every key event
 extern	int		key_lastpress;
 
@@ -108,5 +107,3 @@
 void Key_Event (int key, bool down);
 void Key_Init (void);
 void Key_SetBinding (int keynum, char *binding);
-void Key_ClearStates (void);
-
--- a/mathlib.c
+++ b/mathlib.c
@@ -2,121 +2,8 @@
 
 vec3_t vec3_origin = {0,0,0};
 
-/*-----------------------------------------------------------------*/
-
 #define DEG2RAD( a ) (a*M_PI/180.0)
 
-void ProjectPointOnPlane( vec3_t dst, const vec3_t p, const vec3_t normal )
-{
-	float d;
-	vec3_t n;
-	float inv_denom;
-
-	inv_denom = 1.0F / DotProduct( normal, normal );
-
-	d = DotProduct( normal, p ) * inv_denom;
-
-	n[0] = normal[0] * inv_denom;
-	n[1] = normal[1] * inv_denom;
-	n[2] = normal[2] * inv_denom;
-
-	dst[0] = p[0] - d * n[0];
-	dst[1] = p[1] - d * n[1];
-	dst[2] = p[2] - d * n[2];
-}
-
-/*
-** assumes "src" is normalized
-*/
-void PerpendicularVector( vec3_t dst, const vec3_t src )
-{
-	int	pos;
-	int i;
-	float minelem = 1.0F;
-	vec3_t tempvec;
-
-	/*
-	** find the smallest magnitude axially aligned vector
-	*/
-	for ( pos = 0, i = 0; i < 3; i++ )
-	{
-		if ( fabs( src[i] ) < minelem )
-		{
-			pos = i;
-			minelem = fabs( src[i] );
-		}
-	}
-	tempvec[0] = tempvec[1] = tempvec[2] = 0.0F;
-	tempvec[pos] = 1.0F;
-
-	/*
-	** project the point onto the plane defined by src
-	*/
-	ProjectPointOnPlane( dst, tempvec, src );
-
-	/*
-	** normalize the result
-	*/
-	VectorNormalize( dst );
-}
-
-void RotatePointAroundVector( vec3_t dst, const vec3_t dir, const vec3_t point, float degrees )
-{
-	float	m[3][3];
-	float	im[3][3];
-	float	zrot[3][3];
-	float	tmpmat[3][3];
-	float	rot[3][3];
-	int	i;
-	vec3_t vr, vup, vf;
-
-	vf[0] = dir[0];
-	vf[1] = dir[1];
-	vf[2] = dir[2];
-
-	PerpendicularVector( vr, dir );
-	CrossProduct( vr, vf, vup );
-
-	m[0][0] = vr[0];
-	m[1][0] = vr[1];
-	m[2][0] = vr[2];
-
-	m[0][1] = vup[0];
-	m[1][1] = vup[1];
-	m[2][1] = vup[2];
-
-	m[0][2] = vf[0];
-	m[1][2] = vf[1];
-	m[2][2] = vf[2];
-
-	memcpy(im, m, sizeof im);
-
-	im[0][1] = m[1][0];
-	im[0][2] = m[2][0];
-	im[1][0] = m[0][1];
-	im[1][2] = m[2][1];
-	im[2][0] = m[0][2];
-	im[2][1] = m[1][2];
-
-	memset(zrot, 0, sizeof zrot);
-	zrot[0][0] = zrot[1][1] = zrot[2][2] = 1.0F;
-
-	zrot[0][0] = cos( DEG2RAD( degrees ) );
-	zrot[0][1] = sin( DEG2RAD( degrees ) );
-	zrot[1][0] = -sin( DEG2RAD( degrees ) );
-	zrot[1][1] = cos( DEG2RAD( degrees ) );
-
-	R_ConcatRotations( m, zrot, tmpmat );
-	R_ConcatRotations( tmpmat, im, rot );
-
-	for ( i = 0; i < 3; i++ )
-	{
-		dst[i] = rot[i][0] * point[0] + rot[i][1] * point[1] + rot[i][2] * point[2];
-	}
-}
-
-/*-----------------------------------------------------------------*/
-
 float	anglemod(float a)
 {
 	a = (360.0/65536.0) * ((int)(a*(65536.0/360.0)) & 65535);
@@ -217,17 +104,6 @@
 	up[2] = cr*cp;
 }
 
-int VectorCompare (vec3_t v1, vec3_t v2)
-{
-	int		i;
-
-	for (i=0 ; i<3 ; i++)
-		if (v1[i] != v2[i])
-			return 0;
-
-	return 1;
-}
-
 void VectorMA (vec3_t veca, float scale, vec3_t vecb, vec3_t vecc)
 {
 	vecc[0] = veca[0] + scale*vecb[0];
@@ -235,27 +111,6 @@
 	vecc[2] = veca[2] + scale*vecb[2];
 }
 
-void _VectorSubtract (vec3_t veca, vec3_t vecb, vec3_t out)
-{
-	out[0] = veca[0]-vecb[0];
-	out[1] = veca[1]-vecb[1];
-	out[2] = veca[2]-vecb[2];
-}
-
-void _VectorAdd (vec3_t veca, vec3_t vecb, vec3_t out)
-{
-	out[0] = veca[0]+vecb[0];
-	out[1] = veca[1]+vecb[1];
-	out[2] = veca[2]+vecb[2];
-}
-
-void _VectorCopy (vec3_t in, vec3_t out)
-{
-	out[0] = in[0];
-	out[1] = in[1];
-	out[2] = in[2];
-}
-
 void CrossProduct (vec3_t v1, vec3_t v2, vec3_t cross)
 {
 	cross[0] = v1[1]*v2[2] - v1[2]*v2[1];
@@ -417,23 +272,4 @@
 			return (i2);
 		return GreatestCommonDivisor (i1, i2 % i1);
 	}
-}
-
-// TODO: move to nonintel.c
-
-/*
-===================
-Invert24To16
-
-Inverts an 8.24 value to a 16.16 value
-====================
-*/
-
-fixed16_t Invert24To16(fixed16_t val)
-{
-	if (val < 256)
-		return 0xFFFFFFFF;
-
-	return (fixed16_t)
-			(((double)0x10000 * (double)0x1000000 / (double)val) + 0.5);
 }
--- a/mathlib.h
+++ b/mathlib.h
@@ -29,11 +29,7 @@
 void VectorMA (vec3_t veca, float scale, vec3_t vecb, vec3_t vecc);
 
 vec_t DotProduct (const vec3_t v1, const vec3_t v2);
-void _VectorSubtract (vec3_t veca, vec3_t vecb, vec3_t out);
-void _VectorAdd (vec3_t veca, vec3_t vecb, vec3_t out);
-void _VectorCopy (vec3_t in, vec3_t out);
 
-int VectorCompare (vec3_t v1, vec3_t v2);
 vec_t Length (vec3_t v);
 void CrossProduct (vec3_t v1, vec3_t v2, vec3_t cross);
 float VectorNormalize (vec3_t v);		// returns vector length
@@ -45,7 +41,6 @@
 
 void FloorDivMod (double numer, double denom, int *quotient,
 		int *rem);
-fixed16_t Invert24To16(fixed16_t val);
 int GreatestCommonDivisor (int i1, int i2);
 
 void AngleVectors (vec3_t angles, vec3_t forward, vec3_t right, vec3_t up);
--- a/menu.c
+++ b/menu.c
@@ -6,50 +6,50 @@
 enum {m_none, m_main, m_singleplayer, m_load, m_save, m_multiplayer, m_setup, m_net, m_options, m_keys, m_help, m_quit, m_lanconfig, m_gameoptions} m_state;
 
 void M_Menu_Main_f (void);
-	void M_Menu_SinglePlayer_f (void);
-		void M_Menu_Load_f (void);
-		void M_Menu_Save_f (void);
-	void M_Menu_MultiPlayer_f (void);
-		void M_Menu_Setup_f (void);
-		void M_Menu_Net_f (void);
-	void M_Menu_Options_f (void);
-		void M_Menu_Keys_f (void);
-	void M_Menu_Help_f (void);
+	static void M_Menu_SinglePlayer_f (void);
+		static void M_Menu_Load_f (void);
+		static void M_Menu_Save_f (void);
+	static void M_Menu_MultiPlayer_f (void);
+		static void M_Menu_Setup_f (void);
+		static void M_Menu_Net_f (void);
+	static void M_Menu_Options_f (void);
+		static void M_Menu_Keys_f (void);
+	static void M_Menu_Help_f (void);
 	void M_Menu_Quit_f (void);
-void M_Menu_LanConfig_f (void);
-void M_Menu_GameOptions_f (void);
+static void M_Menu_LanConfig_f (void);
+static void M_Menu_GameOptions_f (void);
 
-void M_Main_Draw (void);
-	void M_SinglePlayer_Draw (void);
-		void M_Load_Draw (void);
-		void M_Save_Draw (void);
-	void M_MultiPlayer_Draw (void);
-		void M_Setup_Draw (void);
-		void M_Net_Draw (void);
-	void M_Options_Draw (void);
-		void M_Keys_Draw (void);
-	void M_Help_Draw (void);
-	void M_Quit_Draw (void);
-void M_LanConfig_Draw (void);
-void M_GameOptions_Draw (void);
+static void M_Main_Draw (void);
+	static void M_SinglePlayer_Draw (void);
+		static void M_Load_Draw (void);
+		static void M_Save_Draw (void);
+	static void M_MultiPlayer_Draw (void);
+		static void M_Setup_Draw (void);
+		static void M_Net_Draw (void);
+	static void M_Options_Draw (void);
+		static void M_Keys_Draw (void);
+	static void M_Help_Draw (void);
+	static void M_Quit_Draw (void);
+static void M_LanConfig_Draw (void);
+static void M_GameOptions_Draw (void);
 
-void M_Main_Key (int key);
-	void M_SinglePlayer_Key (int key);
-		void M_Load_Key (int key);
-		void M_Save_Key (int key);
-	void M_MultiPlayer_Key (int key);
-		void M_Setup_Key (int key);
-		void M_Net_Key (int key);
-	void M_Options_Key (int key);
-		void M_Keys_Key (int key);
-	void M_Help_Key (int key);
-	void M_Quit_Key (int key);
-void M_LanConfig_Key (int key);
-void M_GameOptions_Key (int key);
+static void M_Main_Key (int key);
+	static void M_SinglePlayer_Key (int key);
+		static void M_Load_Key (int key);
+		static void M_Save_Key (int key);
+	static void M_MultiPlayer_Key (int key);
+		static void M_Setup_Key (int key);
+		static void M_Net_Key (int key);
+	static void M_Options_Key (int key);
+		static void M_Keys_Key (int key);
+	static void M_Help_Key (int key);
+	static void M_Quit_Key (int key);
+static void M_LanConfig_Key (int key);
+static void M_GameOptions_Key (int key);
 
-bool	m_entersound;		// play after drawing a frame, so caching
+static bool m_entersound;		// play after drawing a frame, so caching
 								// won't disrupt the sound
-bool	m_recursiveDraw;
+static bool m_recursiveDraw;
 
 int			m_return_state;
 bool	m_return_onerror;
@@ -66,12 +66,12 @@
 Draws one solid graphics character
 ================
 */
-void M_DrawCharacter (int cx, int line, int num)
+static void M_DrawCharacter (int cx, int line, int num)
 {
 	Draw_Character ( cx + ((vid.width - 320)>>1), line, num);
 }
 
-void M_Print (int cx, int cy, char *str)
+static void M_Print (int cx, int cy, char *str)
 {
 	while (*str)
 	{
@@ -81,7 +81,7 @@
 	}
 }
 
-void M_PrintWhite (int cx, int cy, char *str)
+static void M_PrintWhite (int cx, int cy, char *str)
 {
 	while (*str)
 	{
@@ -91,7 +91,7 @@
 	}
 }
 
-void M_DrawTransPic (int x, int y, qpic_t *pic)
+static void M_DrawTransPic (int x, int y, qpic_t *pic)
 {
 	Draw_TransPic (x + ((vid.width - 320)>>1), y, pic);
 }
@@ -101,10 +101,10 @@
 	Draw_Pic (x + ((vid.width - 320)>>1), y, pic);
 }
 
-byte identityTable[256];
-byte translationTable[256];
+static byte identityTable[256];
+static byte translationTable[256];
 
-void M_BuildTranslationTable(int top, int bottom)
+static void M_BuildTranslationTable(int top, int bottom)
 {
 	int		j;
 	byte	*dest, *source;
@@ -128,14 +128,12 @@
 			dest[BOTTOM_RANGE+j] = source[bottom+15-j];
 }
 
-
-void M_DrawTransPicTranslate (int x, int y, qpic_t *pic)
+static void M_DrawTransPicTranslate (int x, int y, qpic_t *pic)
 {
 	Draw_TransPicTranslate (x + ((vid.width - 320)>>1), y, pic, translationTable);
 }
 
-
-void M_DrawTextBox (int x, int y, int width, int lines)
+static void M_DrawTextBox (int x, int y, int width, int lines)
 {
 	qpic_t	*p;
 	int		cx, cy;
@@ -192,7 +190,7 @@
 
 //=============================================================================
 
-int m_save_demonum;
+static int m_save_demonum;
 
 void
 M_ToggleMenu_f(void)
@@ -220,7 +218,7 @@
 //=============================================================================
 /* MAIN MENU */
 
-int	m_main_cursor;
+static int	m_main_cursor;
 #define	MAIN_ITEMS	5
 
 
@@ -237,7 +235,7 @@
 }
 
 
-void M_Main_Draw (void)
+static void M_Main_Draw (void)
 {
 	int		f;
 	qpic_t	*p;
@@ -253,7 +251,7 @@
 }
 
 
-void M_Main_Key (int key)
+static void M_Main_Key (int key)
 {
 	switch (key)
 	{
@@ -310,11 +308,10 @@
 //=============================================================================
 /* SINGLE PLAYER MENU */
 
-int	m_singleplayer_cursor;
+static int	m_singleplayer_cursor;
 #define	SINGLEPLAYER_ITEMS	3
 
-
-void M_Menu_SinglePlayer_f (void)
+static void M_Menu_SinglePlayer_f (void)
 {
 	key_dest = key_menu;
 	m_state = m_singleplayer;
@@ -321,8 +318,7 @@
 	m_entersound = true;
 }
 
-
-void M_SinglePlayer_Draw (void)
+static void M_SinglePlayer_Draw (void)
 {
 	int		f;
 	qpic_t	*p;
@@ -337,8 +333,7 @@
 	M_DrawTransPic (54, 32 + m_singleplayer_cursor * 20,Draw_CachePic( va("gfx/menudot%d.lmp", f+1 ) ) );
 }
 
-
-void M_SinglePlayer_Key (int key)
+static void M_SinglePlayer_Key (int key)
 {
 	switch (key)
 	{
@@ -388,9 +383,9 @@
 //=============================================================================
 /* LOAD/SAVE MENU */
 
-int		load_cursor;		// 0 < load_cursor < Nsav
+static int		load_cursor;		// 0 < load_cursor < Nsav
 
-void M_Menu_Load_f (void)
+static void M_Menu_Load_f (void)
 {
 	m_entersound = true;
 	m_state = m_load;
@@ -398,8 +393,7 @@
 	savnames();
 }
 
-
-void M_Menu_Save_f (void)
+static void M_Menu_Save_f (void)
 {
 	if (!sv.active)
 		return;
@@ -413,8 +407,7 @@
 	savnames();
 }
 
-
-void M_Load_Draw (void)
+static void M_Load_Draw (void)
 {
 	int		i;
 	qpic_t	*p;
@@ -429,8 +422,7 @@
 	M_DrawCharacter (8, 32 + load_cursor*8, 12+((int)(realtime*4)&1));
 }
 
-
-void M_Save_Draw (void)
+static void M_Save_Draw (void)
 {
 	int		i;
 	qpic_t	*p;
@@ -445,8 +437,7 @@
 	M_DrawCharacter (8, 32 + load_cursor*8, 12+((int)(realtime*4)&1));
 }
 
-
-void M_Load_Key (int k)
+static void M_Load_Key (int k)
 {
 	switch (k)
 	{
@@ -487,8 +478,7 @@
 	}
 }
 
-
-void M_Save_Key (int k)
+static void M_Save_Key (int k)
 {
 	switch (k)
 	{
@@ -523,11 +513,10 @@
 //=============================================================================
 /* MULTIPLAYER MENU */
 
-int	m_multiplayer_cursor;
+static int	m_multiplayer_cursor;
 #define	MULTIPLAYER_ITEMS	3
 
-
-void M_Menu_MultiPlayer_f (void)
+static void M_Menu_MultiPlayer_f (void)
 {
 	key_dest = key_menu;
 	m_state = m_multiplayer;
@@ -534,8 +523,7 @@
 	m_entersound = true;
 }
 
-
-void M_MultiPlayer_Draw (void)
+static void M_MultiPlayer_Draw (void)
 {
 	int		f;
 	qpic_t	*p;
@@ -550,8 +538,7 @@
 	M_DrawTransPic (54, 32 + m_multiplayer_cursor * 20,Draw_CachePic( va("gfx/menudot%d.lmp", f+1 ) ) );
 }
 
-
-void M_MultiPlayer_Key (int key)
+static void M_MultiPlayer_Key (int key)
 {
 	switch (key)
 	{
@@ -593,19 +580,19 @@
 //=============================================================================
 /* SETUP MENU */
 
-int		setup_cursor = 4;
-int		setup_cursor_table[] = {40, 56, 80, 104, 140};
+static int		setup_cursor = 4;
+static int		setup_cursor_table[] = {40, 56, 80, 104, 140};
 
-char	setup_hostname[16];
-char	setup_myname[16];
-int		setup_oldtop;
-int		setup_oldbottom;
-int		setup_top;
-int		setup_bottom;
+static char	setup_hostname[16];
+static char	setup_myname[16];
+static int		setup_oldtop;
+static int		setup_oldbottom;
+static int		setup_top;
+static int		setup_bottom;
 
 #define	NUM_SETUP_CMDS	5
 
-void M_Menu_Setup_f (void)
+static void M_Menu_Setup_f (void)
 {
 	key_dest = key_menu;
 	m_state = m_setup;
@@ -616,8 +603,7 @@
 	setup_bottom = setup_oldbottom = ((int)cl_color.value) & 15;
 }
 
-
-void M_Setup_Draw (void)
+static void M_Setup_Draw (void)
 {
 	qpic_t	*p;
 
@@ -654,8 +640,7 @@
 		M_DrawCharacter (168 + 8*strlen(setup_myname), setup_cursor_table [setup_cursor], 10+((int)(realtime*4)&1));
 }
 
-
-void M_Setup_Key (int k)
+static void M_Setup_Key (int k)
 {
 	int			l;
 
@@ -767,11 +752,10 @@
 //=============================================================================
 /* NET MENU */
 
-int	m_net_cursor;
-int m_net_items;
-int m_net_saveHeight;
+static int	m_net_cursor;
+static int m_net_items;
 
-char *net_helpMessage [] =
+static char *net_helpMessage [] =
 {
 /* .........1.........2.... */
   "                        ",
@@ -790,7 +774,7 @@
   " Area Network.          "
 };
 
-void M_Menu_Net_f (void)
+static void M_Menu_Net_f (void)
 {
 	key_dest = key_menu;
 	m_state = m_net;
@@ -803,8 +787,7 @@
 	M_Net_Key (K_DOWNARROW);
 }
 
-
-void M_Net_Draw (void)
+static void M_Net_Draw (void)
 {
 	int		f;
 	qpic_t	*p;
@@ -842,8 +825,7 @@
 	M_DrawTransPic (54, 32 + m_net_cursor * 20,Draw_CachePic( va("gfx/menudot%d.lmp", f+1 ) ) );
 }
 
-
-void M_Net_Key (int k)
+static void M_Net_Key (int k)
 {
 again:
 	switch (k)
@@ -891,9 +873,9 @@
 
 #define	SLIDER_RANGE	10
 
-int		options_cursor;
+static int		options_cursor;
 
-void M_Menu_Options_f (void)
+static void M_Menu_Options_f (void)
 {
 	key_dest = key_menu;
 	m_state = m_options;
@@ -900,8 +882,7 @@
 	m_entersound = true;
 }
 
-
-void M_AdjustSliders (int dir)
+static void M_AdjustSliders (int dir)
 {
 	localsfx ("misc/menu3.wav");
 
@@ -975,8 +956,7 @@
 	}
 }
 
-
-void M_DrawSlider (int x, int y, float range)
+static void M_DrawSlider (int x, int y, float range)
 {
 	int	i;
 
@@ -991,7 +971,7 @@
 	M_DrawCharacter (x + (SLIDER_RANGE-1)*8 * range, y, 131);
 }
 
-void M_DrawCheckbox (int x, int y, int on)
+static void M_DrawCheckbox (int x, int y, int on)
 {
 	/*
 	if (on)
@@ -1005,7 +985,7 @@
 		M_Print (x, y, "off");
 }
 
-void M_Options_Draw (void)
+static void M_Options_Draw (void)
 {
 	float		r;
 	qpic_t	*p;
@@ -1054,8 +1034,7 @@
 	M_DrawCharacter (200, 32 + options_cursor*8, 12+((int)(realtime*4)&1));
 }
 
-
-void M_Options_Key (int k)
+static void M_Options_Key (int k)
 {
 	switch (k)
 	{
@@ -1117,7 +1096,7 @@
 //=============================================================================
 /* KEYS MENU */
 
-char *bindnames[][2] =
+static char *bindnames[][2] =
 {
 	{"+attack", 		"attack"},
 	{"impulse 10", 		"change weapon"},
@@ -1139,10 +1118,10 @@
 	{"+movedown",		"swim down"}
 };
 
-int		keys_cursor;
-int		bind_grab;
+static int		keys_cursor;
+static int		bind_grab;
 
-void M_Menu_Keys_f (void)
+static void M_Menu_Keys_f (void)
 {
 	key_dest = key_menu;
 	m_state = m_keys;
@@ -1149,8 +1128,7 @@
 	m_entersound = true;
 }
 
-
-void M_FindKeysForCommand (char *command, int *twokeys)
+static void M_FindKeysForCommand (char *command, int *twokeys)
 {
 	int		count;
 	int		j;
@@ -1176,7 +1154,7 @@
 	}
 }
 
-void M_UnbindCommand (char *command)
+static void M_UnbindCommand (char *command)
 {
 	int		j;
 	int		l;
@@ -1194,8 +1172,7 @@
 	}
 }
 
-
-void M_Keys_Draw (void)
+static void M_Keys_Draw (void)
 {
 	int		i;
 	int		keys[2];
@@ -1243,8 +1220,7 @@
 		M_DrawCharacter (130, 48 + keys_cursor*8, 12+((int)(realtime*4)&1));
 }
 
-
-void M_Keys_Key (int k)
+static void M_Keys_Key (int k)
 {
 	char	cmd[80];
 	int		keys[2];
@@ -1303,11 +1279,10 @@
 //=============================================================================
 /* HELP MENU */
 
-int		help_page;
+static int		help_page;
 #define	NUM_HELP_PAGES	6
 
-
-void M_Menu_Help_f (void)
+static void M_Menu_Help_f (void)
 {
 	key_dest = key_menu;
 	m_state = m_help;
@@ -1315,15 +1290,12 @@
 	help_page = 0;
 }
 
-
-
-void M_Help_Draw (void)
+static void M_Help_Draw (void)
 {
 	M_DrawPic (0, 0, Draw_CachePic ( va("gfx/help%d.lmp", help_page)) );
 }
 
-
-void M_Help_Key (int key)
+static void M_Help_Key (int key)
 {
 	switch (key)
 	{
@@ -1351,11 +1323,11 @@
 //=============================================================================
 /* QUIT MENU */
 
-int		msgNumber;
-int		m_quit_prevstate;
-bool	wasInMenus;
+static int		msgNumber;
+static int		m_quit_prevstate;
+static bool	wasInMenus;
 
-char *quitMessage [] =
+static char *quitMessage [] =
 {
 /* .........1.........2.... */
   "  Are you gonna quit    ",
@@ -1411,8 +1383,7 @@
 	msgNumber = rand()&7;
 }
 
-
-void M_Quit_Key (int key)
+static void M_Quit_Key (int key)
 {
 	switch (key)
 	{
@@ -1443,7 +1414,7 @@
 
 }
 
-void
+static void
 M_Quit_Draw(void)
 {
 	if(wasInMenus){
@@ -1463,14 +1434,14 @@
 //=============================================================================
 /* LAN CONFIG MENU */
 
-int		lanConfig_cursor = -1;
-int		lanConfig_cursor_table [] = {72, 92};
+static int		lanConfig_cursor = -1;
+static int		lanConfig_cursor_table [] = {72, 92};
 #define NUM_LANCONFIG_CMDS	2
 
-char	lanConfig_portname[8];
-char	lanConfig_joinname[22];
+static char	lanConfig_portname[8];
+static char	lanConfig_joinname[22];
 
-void M_Menu_LanConfig_f (void)
+static void M_Menu_LanConfig_f (void)
 {
 	key_dest = key_menu;
 	m_state = m_lanconfig;
@@ -1482,8 +1453,7 @@
 	m_return_reason[0] = 0;
 }
 
-
-void M_LanConfig_Draw (void)
+static void M_LanConfig_Draw (void)
 {
 	qpic_t	*p;
 	int		basex;
@@ -1532,8 +1502,7 @@
 		M_PrintWhite (basex, 148, m_return_reason);
 }
 
-
-void M_LanConfig_Key (int key)
+static void M_LanConfig_Key (int key)
 {
 	int		l;
 
@@ -1638,7 +1607,7 @@
 	char	*description;
 } level_t;
 
-level_t		levels[] =
+static level_t		levels[] =
 {
 	{"start", "Entrance"},	// 0
 
@@ -1687,7 +1656,7 @@
 };
 
 //MED 01/06/97 added hipnotic levels
-level_t hipnoticlevels[] =
+static level_t hipnoticlevels[] =
 {
 	{"start", "Command HQ"},  // 0
 
@@ -1716,7 +1685,7 @@
 
 //PGM 01/07/97 added rogue levels
 //PGM 03/02/97 added dmatch level
-level_t		roguelevels[] =
+static level_t		roguelevels[] =
 {
 	{"start",	"Split Decision"},
 	{"r1m1",	"Deviant's Domain"},
@@ -1744,7 +1713,7 @@
 	int		levels;
 } episode_t;
 
-episode_t	episodes[] =
+static episode_t	episodes[] =
 {
 	{"Welcome to Quake", 0, 1},
 	{"Doomed Dimension", 1, 8},
@@ -1756,7 +1725,7 @@
 };
 
 //MED 01/06/97  added hipnotic episodes
-episode_t   hipnoticepisodes[] =
+static episode_t   hipnoticepisodes[] =
 {
 	{"Scourge of Armagon", 0, 1},
 	{"Fortress of the Dead", 1, 5},
@@ -1768,7 +1737,7 @@
 
 //PGM 01/07/97 added rogue episodes
 //PGM 03/02/97 added dmatch episode
-episode_t	rogueepisodes[] =
+static episode_t	rogueepisodes[] =
 {
 	{"Introduction", 0, 1},
 	{"Hell's Fortress", 1, 7},
@@ -1776,13 +1745,13 @@
 	{"Deathmatch Arena", 16, 1}
 };
 
-int	startepisode;
-int	startlevel;
-int maxplayers;
-bool m_serverInfoMessage = false;
-double m_serverInfoMessageTime;
+static int	startepisode;
+static int	startlevel;
+static int maxplayers;
+static bool m_serverInfoMessage = false;
+static double m_serverInfoMessageTime;
 
-void M_Menu_GameOptions_f (void)
+static void M_Menu_GameOptions_f (void)
 {
 	key_dest = key_menu;
 	m_state = m_gameoptions;
@@ -1793,12 +1762,11 @@
 		maxplayers = svs.maxclientslimit;
 }
 
-
-int gameoptions_cursor_table[] = {40, 56, 64, 72, 80, 88, 96, 112, 120};
+static int gameoptions_cursor_table[] = {40, 56, 64, 72, 80, 88, 96, 112, 120};
 #define	NUM_GAMEOPTIONS	9
-int		gameoptions_cursor;
+static int		gameoptions_cursor;
 
-void M_GameOptions_Draw (void)
+static void M_GameOptions_Draw (void)
 {
 	qpic_t	*p;
 	int		x;
@@ -1922,8 +1890,7 @@
 	}
 }
 
-
-void M_NetStart_Change (int dir)
+static void M_NetStart_Change (int dir)
 {
 	int count;
 
@@ -2025,7 +1992,7 @@
 	}
 }
 
-void M_GameOptions_Key (int key)
+static void M_GameOptions_Key (int key)
 {
 	switch (key)
 	{
@@ -2088,7 +2055,6 @@
 //=============================================================================
 /* Menu Subsystem */
 
-
 void M_Init (void)
 {
 	Cmd_AddCommand ("togglemenu", M_ToggleMenu_f);
@@ -2105,7 +2071,6 @@
 	Cmd_AddCommand ("menu_quit", M_Menu_Quit_f);
 }
 
-
 void M_Draw (void)
 {
 	if (m_state == m_none || key_dest != key_menu)
@@ -2113,8 +2078,6 @@
 
 	if (!m_recursiveDraw)
 	{
-		scr_copyeverything = 1;
-
 		if (scr_con_current)
 			Draw_ConsoleBackground (vid.height);
 		else
--- a/mkfile
+++ b/mkfile
@@ -23,7 +23,6 @@
 	draw.$O\
 	d_alpha.$O\
 	d_edge.$O\
-	d_fill.$O\
 	d_init.$O\
 	d_modech.$O\
 	d_part.$O\
--- a/model.c
+++ b/model.c
@@ -1,7 +1,7 @@
 #include "quakedef.h"
 
-model_t	*loadmodel;
-char	loadname[32];	// for hunk tags
+static model_t *loadmodel;
+static char loadname[32];	// for hunk tags
 
 void Mod_LoadSpriteModel (model_t *mod, void *buffer);
 void Mod_LoadBrushModel (model_t *mod, void *buffer);
@@ -9,8 +9,8 @@
 model_t *Mod_LoadModel (model_t *mod, bool crash);
 
 #define	MAX_MOD_KNOWN	4096
-model_t	*mod_known;
-int		mod_numknown;
+static model_t *mod_known;
+static int mod_numknown;
 
 // values for model_t's needload
 #define NL_PRESENT		0
@@ -305,8 +305,7 @@
 ===============================================================================
 */
 
-byte	*mod_base;
-
+static byte *mod_base;
 
 /*
 =================
--- a/net.h
+++ b/net.h
@@ -85,7 +85,6 @@
 
 extern qsocket_t	*net_activeSockets;
 extern qsocket_t	*net_freeSockets;
-extern int			net_numsockets;
 
 typedef struct Landrv Landrv;
 typedef struct Netdrv Netdrv;
@@ -121,8 +120,6 @@
 	void	(*Close)(qsocket_t *);
 	void	(*Shutdown)(void);
 };
-extern int net_numdrivers;
-extern Netdrv netdrv[MAX_NET_DRIVERS];
 
 extern int net_driverlevel;
 extern cvar_t		hostname;
@@ -201,7 +198,6 @@
 void		Datagram_Shutdown (void);
 
 int			Loop_Init (void);
-void		Loop_Listen (bool state);
 qsocket_t 	*Loop_Connect (char *host);
 qsocket_t 	*Loop_CheckNewConnections (void);
 int			Loop_GetMessage (qsocket_t *sock);
--- a/net_dgrm.c
+++ b/net_dgrm.c
@@ -10,12 +10,12 @@
 static int net_landriverlevel;
 
 /* statistic counters */
-int packetsSent;
-int packetsReSent;
-int packetsReceived;
-int receivedDuplicateCount;
-int shortPacketCount;
-int droppedDatagrams;
+static int packetsSent;
+static int packetsReSent;
+static int packetsReceived;
+static int receivedDuplicateCount;
+static int shortPacketCount;
+static int droppedDatagrams;
 
 static int myDriverLevel;
 
@@ -619,7 +619,7 @@
 	memcpy(&readaddr, &sendaddr, sizeof readaddr);
 
 	// send the connection request
-	Con_Printf("trying...\n"); SCR_UpdateScreen ();
+	Con_Printf("trying...\n"); SCR_UpdateScreen (false);
 	start_time = net_time;
 
 	UDP_Listen(1);
@@ -671,7 +671,7 @@
 		while (ret == 0 && (SetNetTime() - start_time) < 2.5);
 		if (ret)
 			break;
-		Con_Printf("still trying...\n"); SCR_UpdateScreen ();
+		Con_Printf("still trying...\n"); SCR_UpdateScreen (false);
 		start_time = SetNetTime();
 	}
 	/* bullshit workaround for non-plan9 servers replying from different
--- a/net_loop.c
+++ b/net_loop.c
@@ -1,8 +1,8 @@
 #include "quakedef.h"
 
-bool	localconnectpending = false;
-qsocket_t	*loop_client = nil;
-qsocket_t	*loop_server = nil;
+static bool localconnectpending;
+static qsocket_t *loop_client;
+static qsocket_t *loop_server;
 
 int Loop_Init (void)
 {
@@ -11,13 +11,7 @@
 	return 0;
 }
 
-
 void Loop_Shutdown (void)
-{
-}
-
-
-void Loop_Listen (bool) /*state*/
 {
 }
 
--- a/net_main.c
+++ b/net_main.c
@@ -2,7 +2,7 @@
 
 qsocket_t	*net_activeSockets = nil;
 qsocket_t	*net_freeSockets = nil;
-int			net_numsockets = 0;
+static int net_numsockets;
 
 sizebuf_t		net_message;
 int				net_activeconnections = 0;
@@ -15,7 +15,7 @@
 static cvar_t	net_messagetimeout = {"net_messagetimeout","300"};
 cvar_t	hostname = {"hostname", "UNNAMED"};
 
-Netdrv netdrv[MAX_NET_DRIVERS] = {
+static Netdrv netdrv[MAX_NET_DRIVERS] = {
 	{
 	"Loopback",
 	false,
@@ -48,7 +48,7 @@
 	}
 #endif
 };
-int net_numdrivers = 0;
+static int net_numdrivers;
 
 Landrv landrv[MAX_NET_DRIVERS] = {
 #ifdef __plan9__
--- a/pr_cmds.c
+++ b/pr_cmds.c
@@ -616,21 +616,6 @@
 		pr_global_struct->trace_ent = EDICT_TO_PROG(sv.edicts);
 }
 
-
-/*
-=================
-PF_checkpos
-
-Returns true if the given entity can move to the given position from it's
-current position by walking or rolling.
-FIXME: make work...
-scalar checkpos (entity, vector)
-=================
-*/
-void PF_checkpos (void)
-{
-}
-
 //============================================================================
 
 static byte *checkpvs;
@@ -706,7 +691,6 @@
 =================
 */
 #define	MAX_CHECK	16
-int c_invis, c_notvis;
 void PF_checkclient (void)
 {
 	edict_t	*ent, *self;
@@ -736,13 +720,11 @@
 	l = (leaf - sv.worldmodel->leafs) - 1;
 	if ( (l<0) || !(checkpvs[l>>3] & (1<<(l&7)) ) )
 	{
-		c_notvis++;
 		RETURN_EDICT(sv.edicts);
 		return;
 	}
 
 	// might be able to see it
-	c_invis++;
 	RETURN_EDICT(ent);
 }
 
@@ -1549,7 +1531,7 @@
 	// even though it does *not* check for the extension
 }
 
-builtin_t pr_builtin[] =
+static const builtin_t pr_builtin[] =
 {
 PF_Fixme,
 PF_makevectors,	// void(entity e)	makevectors 		= #1;
@@ -1643,6 +1625,6 @@
 [232] = PF_clientstat,
 };
 
-builtin_t *pr_builtins = pr_builtin;
-int pr_numbuiltins = sizeof(pr_builtin)/sizeof(pr_builtin[0]);
+const builtin_t *pr_builtins = pr_builtin;
+const int pr_numbuiltins = nelem(pr_builtin);
 
--- a/pr_edict.c
+++ b/pr_edict.c
@@ -2,7 +2,7 @@
 
 dprograms_t		*progs;
 dfunction_t		*pr_functions;
-char			*pr_strings;
+static char		*pr_strings;
 static int		pr_strings_size;
 ddef_t			*pr_fielddefs;
 ddef_t			*pr_globaldefs;
@@ -26,18 +26,19 @@
 bool	ED_ParseEpair (void *base, ddef_t *key, char *s);
 
 cvar_t	nomonsters = {"nomonsters", "0"};
-cvar_t	gamecfg = {"gamecfg", "0"};
-cvar_t	scratch1 = {"scratch1", "0"};
-cvar_t	scratch2 = {"scratch2", "0"};
-cvar_t	scratch3 = {"scratch3", "0"};
-cvar_t	scratch4 = {"scratch4", "0"};
-cvar_t	savedgamecfg = {"savedgamecfg", "0", true};
-cvar_t	saved1 = {"saved1", "0", true};
-cvar_t	saved2 = {"saved2", "0", true};
-cvar_t	saved3 = {"saved3", "0", true};
-cvar_t	saved4 = {"saved4", "0", true};
-cvar_t	pr_checkextension = {"pr_checkextension", "1"};
 
+static cvar_t scratch1 = {"scratch1", "0"};
+static cvar_t scratch2 = {"scratch2", "0"};
+static cvar_t scratch3 = {"scratch3", "0"};
+static cvar_t scratch4 = {"scratch4", "0"};
+static cvar_t saved1 = {"saved1", "0", true};
+static cvar_t saved2 = {"saved2", "0", true};
+static cvar_t saved3 = {"saved3", "0", true};
+static cvar_t saved4 = {"saved4", "0", true};
+static cvar_t gamecfg = {"gamecfg", "0"};
+static cvar_t savedgamecfg = {"savedgamecfg", "0", true};
+static cvar_t pr_checkextension = {"pr_checkextension", "1"};
+
 #define	MAX_FIELD_LEN	64
 #define GEFV_CACHESIZE	2
 
@@ -49,14 +50,14 @@
 static gefv_cache	gefvCache[GEFV_CACHESIZE] = {{nil, ""}, {nil, ""}};
 
 #define MAX_PRSTR 1024
-char **prstr;
-int num_prstr;
-int max_prstr;
+static char **prstr;
+static int max_prstr;
+static int num_prstr;
 
 #define MAX_PRTEMPSTR 1024
 #define PRTEMPSTR_SIZE 1024
-char *prtempstr;
-int num_prtempstr;
+static char *prtempstr;
+static int num_prtempstr;
 
 char *
 PR_StrTmp(void)
--- a/pr_exec.c
+++ b/pr_exec.c
@@ -17,12 +17,12 @@
 
 bool	pr_trace;
 dfunction_t	*pr_xfunction;
-int			pr_xstatement;
+static int pr_xstatement;
 
 
 int		pr_argc;
 
-char *pr_opnames[] =
+static const char *pr_opnames[] =
 {
 "DONE",
 
--- a/progs.h
+++ b/progs.h
@@ -33,7 +33,6 @@
 
 extern	dprograms_t		*progs;
 extern	dfunction_t		*pr_functions;
-extern	char			*pr_strings;
 extern	ddef_t			*pr_globaldefs;
 extern	ddef_t			*pr_fielddefs;
 extern	dstatement_t	*pr_statements;
@@ -99,14 +98,13 @@
 extern	int		type_size[8];
 
 typedef void (*builtin_t) (void);
-extern	builtin_t *pr_builtins;
-extern int pr_numbuiltins;
+extern const builtin_t *pr_builtins;
+extern const int pr_numbuiltins;
 
 extern int		pr_argc;
 
 extern	bool	pr_trace;
 extern	dfunction_t	*pr_xfunction;
-extern	int			pr_xstatement;
 
 #pragma varargck	argpos	PR_RunError	1
 void PR_RunError (char *error, ...);
--- a/quakedef.h
+++ b/quakedef.h
@@ -191,8 +191,6 @@
 void Host_ShutdownServer (bool crash);
 
 extern cvar_t	pausable;
-extern bool		msg_suppress_1;		// suppresses resolution and cache size console output
-										//  an fullscreen DIB focus gain/loss
 extern int			current_skill;		// skill level for currently loaded level (in case
 										//  the user changes the cvar while the level is
 										//  running, this reflects the level actually in use)
--- a/r_draw.c
+++ b/r_draw.c
@@ -10,15 +10,9 @@
 
 int			c_faceclip;					// number of faces clipped
 
-zpointdesc_t	r_zpointdesc;
-
-polydesc_t		r_polydesc;
-
 int r_drawflags;
 
-clipplane_t	*entity_clipplanes;
 clipplane_t	view_clipplanes[4];
-clipplane_t	world_clipplanes[16];
 
 static medge_t			*r_pedge;
 
@@ -43,7 +37,7 @@
 static float r_u1, r_v1, r_lzi1;
 static int r_ceilv1;
 
-bool	r_lastvertvalid;
+static bool	r_lastvertvalid;
 
 int
 surfdrawflags(int flags)
@@ -640,221 +634,3 @@
 
 	surface_p++;
 }
-
-
-/*
-================
-R_RenderPoly
-================
-*/
-void R_RenderPoly (msurface_t *fa, int clipflags)
-{
-	int			i, lindex, lnumverts, s_axis, t_axis;
-	float		dist, lastdist, lzi, scale, u, v, frac;
-	unsigned	mask;
-	vec3_t		local, transformed;
-	clipplane_t	*pclip;
-	medge_t		*pedges;
-	mplane_t	*pplane;
-	mvertex_t	verts[2][100];	//FIXME: do real number
-	polyvert_t	pverts[100];	//FIXME: do real number, safely
-	int			vertpage, newverts, newpage, lastvert;
-	bool	visible;
-
-	// FIXME: clean this up and make it faster
-	// FIXME: guard against running out of vertices
-
-	s_axis = t_axis = 0;	// keep compiler happy
-
-	// set up clip planes
-	pclip = nil;
-
-	for (i=3, mask = 0x08 ; i>=0 ; i--, mask >>= 1)
-	{
-		if (clipflags & mask)
-		{
-			view_clipplanes[i].next = pclip;
-			pclip = &view_clipplanes[i];
-		}
-	}
-
-	memset(verts, 0, sizeof(verts));
-
-	// reconstruct the polygon
-	// FIXME: these should be precalculated and loaded off disk
-	pedges = currententity->model->edges;
-	lnumverts = fa->numedges;
-	vertpage = 0;
-
-	for (i=0 ; i<lnumverts ; i++)
-	{
-		lindex = currententity->model->surfedges[fa->firstedge + i];
-
-		if (lindex > 0)
-		{
-			r_pedge = &pedges[lindex];
-			verts[0][i] = r_pcurrentvertbase[r_pedge->v[0]];
-		}
-		else
-		{
-			r_pedge = &pedges[-lindex];
-			verts[0][i] = r_pcurrentvertbase[r_pedge->v[1]];
-		}
-	}
-
-	// clip the polygon, done if not visible
-	while (pclip)
-	{
-		lastvert = lnumverts - 1;
-		assert(vertpage < 2);
-		assert(lastvert < 100);
-		lastdist = DotProduct (verts[vertpage][lastvert].position,
-							   pclip->normal) - pclip->dist;
-
-		visible = false;
-		newverts = 0;
-		newpage = vertpage ^ 1;
-
-		for (i=0 ; i<lnumverts ; i++)
-		{
-			dist = DotProduct (verts[vertpage][i].position, pclip->normal) -
-					pclip->dist;
-
-			if ((lastdist > 0) != (dist > 0))
-			{
-				frac = dist / (dist - lastdist);
-				verts[newpage][newverts].position[0] =
-						verts[vertpage][i].position[0] +
-						((verts[vertpage][lastvert].position[0] -
-						  verts[vertpage][i].position[0]) * frac);
-				verts[newpage][newverts].position[1] =
-						verts[vertpage][i].position[1] +
-						((verts[vertpage][lastvert].position[1] -
-						  verts[vertpage][i].position[1]) * frac);
-				verts[newpage][newverts].position[2] =
-						verts[vertpage][i].position[2] +
-						((verts[vertpage][lastvert].position[2] -
-						  verts[vertpage][i].position[2]) * frac);
-				newverts++;
-			}
-
-			if (dist >= 0)
-			{
-				verts[newpage][newverts] = verts[vertpage][i];
-				newverts++;
-				visible = true;
-			}
-
-			lastvert = i;
-			lastdist = dist;
-		}
-
-		if (!visible || (newverts < 3))
-			return;
-
-		lnumverts = newverts;
-		vertpage ^= 1;
-		pclip = pclip->next;
-	}
-
-	// transform and project, remembering the z values at the vertices and
-	// r_nearzi, and extract the s and t coordinates at the vertices
-	pplane = fa->plane;
-	switch (pplane->type)
-	{
-	case PLANE_X:
-	case PLANE_ANYX:
-		s_axis = 1;
-		t_axis = 2;
-		break;
-	case PLANE_Y:
-	case PLANE_ANYY:
-		s_axis = 0;
-		t_axis = 2;
-		break;
-	case PLANE_Z:
-	case PLANE_ANYZ:
-		s_axis = 0;
-		t_axis = 1;
-		break;
-	}
-
-	r_nearzi = 0;
-
-	for (i=0 ; i<lnumverts ; i++)
-	{
-		// transform and project
-		VectorSubtract (verts[vertpage][i].position, modelorg, local);
-		TransformVector (local, transformed);
-
-		if (transformed[2] < NEAR_CLIP)
-			transformed[2] = NEAR_CLIP;
-
-		lzi = 1.0 / transformed[2];
-
-		if (lzi > r_nearzi)	// for mipmap finding
-			r_nearzi = lzi;
-
-		// FIXME: build x/yscale into transform?
-		scale = xscale * lzi;
-		u = (xcenter + scale*transformed[0]);
-		if (u < r_refdef.fvrectx_adj)
-			u = r_refdef.fvrectx_adj;
-		if (u > r_refdef.fvrectright_adj)
-			u = r_refdef.fvrectright_adj;
-
-		scale = yscale * lzi;
-		v = (ycenter - scale*transformed[1]);
-		if (v < r_refdef.fvrecty_adj)
-			v = r_refdef.fvrecty_adj;
-		if (v > r_refdef.fvrectbottom_adj)
-			v = r_refdef.fvrectbottom_adj;
-
-		pverts[i].u = u;
-		pverts[i].v = v;
-		pverts[i].zi = lzi;
-		pverts[i].s = verts[vertpage][i].position[s_axis];
-		pverts[i].t = verts[vertpage][i].position[t_axis];
-	}
-
-	// build the polygon descriptor, including fa, r_nearzi, and u, v, s, t, and z
-	// for each vertex
-	r_polydesc.numverts = lnumverts;
-	r_polydesc.nearzi = r_nearzi;
-	r_polydesc.pcurrentface = fa;
-	r_polydesc.pverts = pverts;
-
-	// draw the polygon
-	D_DrawPoly ();
-}
-
-
-/*
-================
-R_ZDrawSubmodelPolys
-================
-*/
-void R_ZDrawSubmodelPolys (model_t *pmodel)
-{
-	int			i, numsurfaces;
-	msurface_t	*psurf;
-	float		dot;
-	mplane_t	*pplane;
-
-	psurf = &pmodel->surfaces[pmodel->firstmodelsurface];
-	numsurfaces = pmodel->nummodelsurfaces;
-
-	for (i=0 ; i<numsurfaces ; i++, psurf++)
-	{
-		// find which side of the node we are on
-		pplane = psurf->plane;
-
-		dot = DotProduct (modelorg, pplane->normal) - pplane->dist;
-
-		// draw the polygon
-		// FIXME: use bounding-box-based frustum clipping info?
-		if ((dot > 0) ^ !!(psurf->flags & SURF_PLANEBACK))
-			R_RenderPoly (psurf, 15);
-	}
-}
-
--- a/r_edge.c
+++ b/r_edge.c
@@ -21,25 +21,18 @@
 edge_t	*newedges[MAXHEIGHT];
 edge_t	*removeedges[MAXHEIGHT];
 
-espan_t	*span_p, *max_span_p;
+static espan_t *span_p, *max_span_p;
 
 int		r_currentkey;
 
 extern	int	screenwidth;
 
-int	current_iv;
+static int current_iv, edge_head_u_shift20, edge_tail_u_shift20;
+static edge_t edge_head, edge_tail, edge_aftertail, edge_sentinel;
+static float fv;
 
-int	edge_head_u_shift20, edge_tail_u_shift20;
-
 static void (*pdrawfunc)(void);
 
-edge_t	edge_head;
-edge_t	edge_tail;
-edge_t	edge_aftertail;
-edge_t	edge_sentinel;
-
-float	fv;
-
 void R_GenerateSpans (void);
 
 void R_LeadingEdge (edge_t *edge);
@@ -233,87 +226,6 @@
 		surf = surf->next;
 	} while (surf != &surfaces[1]);
 }
-
-
-/*
-==============
-R_LeadingEdgeBackwards
-==============
-*/
-void R_LeadingEdgeBackwards (edge_t *edge)
-{
-	espan_t			*span;
-	surf_t			*surf, *surf2;
-	int				iu;
-
-	// it's adding a new surface in, so find the correct place
-	surf = &surfaces[edge->surfs[1]];
-
-	// don't start a span if this is an inverted span, with the end
-	// edge preceding the start edge (that is, we've already seen the
-	// end edge)
-	if (++surf->spanstate == 1)
-	{
-		surf2 = surfaces[1].next;
-
-		if (surf->key > surf2->key)
-			goto newtop;
-
-		// if it's two surfaces on the same plane, the one that's already
-		// active is in front, so keep going unless it's a bmodel
-		if (surf->insubmodel && (surf->key == surf2->key))
-		{
-			// must be two bmodels in the same leaf; don't care, because they'll
-			// never be farthest anyway
-			goto newtop;
-		}
-
-continue_search:
-
-		do
-		{
-			surf2 = surf2->next;
-		} while (surf->key < surf2->key);
-
-		if (surf->key == surf2->key)
-		{
-			// if it's two surfaces on the same plane, the one that's already
-			// active is in front, so keep going unless it's a bmodel
-			if (!surf->insubmodel)
-				goto continue_search;
-
-			// must be two bmodels in the same leaf; don't care which is really
-			// in front, because they'll never be farthest anyway
-		}
-
-		goto gotposition;
-
-newtop:
-		// emit a span (obscures current top)
-		iu = edge->u >> 20;
-
-		if (iu > surf2->last_u)
-		{
-			span = span_p++;
-			span->u = surf2->last_u;
-			span->count = iu - span->u;
-			span->v = current_iv;
-			span->pnext = surf2->spans;
-			surf2->spans = span;
-		}
-
-		// set last_u on the new span
-		surf->last_u = iu;
-
-gotposition:
-		// insert before surf2
-		surf->next = surf2;
-		surf->prev = surf2->prev;
-		surf2->prev->next = surf;
-		surf2->prev = surf;
-	}
-}
-
 
 /*
 ==============
--- a/r_efrag.c
+++ b/r_efrag.c
@@ -13,13 +13,11 @@
 ===============================================================================
 */
 
-efrag_t		**lastlink;
+static efrag_t **lastlink;
 
 vec3_t		r_emins, r_emaxs;
 
-entity_t	*r_addent;
 
-
 /*
 ================
 R_RemoveEfrags
@@ -66,7 +64,7 @@
 R_SplitEntityOnNode
 ===================
 */
-void R_SplitEntityOnNode (mnode_t *node)
+static void R_SplitEntityOnNode (mnode_t *node, entity_t *add)
 {
 	efrag_t		*ef;
 	mplane_t	*splitplane;
@@ -96,7 +94,7 @@
 		}
 		cl.free_efrags = cl.free_efrags->entnext;
 
-		ef->entity = r_addent;
+		ef->entity = add;
 
 		// add the entity link
 		*lastlink = ef;
@@ -126,10 +124,10 @@
 
 	// recurse down the contacted sides
 	if (sides & 1)
-		R_SplitEntityOnNode (node->children[0]);
+		R_SplitEntityOnNode (node->children[0], add);
 
 	if (sides & 2)
-		R_SplitEntityOnNode (node->children[1]);
+		R_SplitEntityOnNode (node->children[1], add);
 }
 
 
@@ -188,8 +186,6 @@
 	if (ent == cl_entities)
 		return;		// never add the world
 
-	r_addent = ent;
-
 	lastlink = &ent->efrag;
 	r_pefragtopnode = nil;
 
@@ -201,7 +197,7 @@
 		r_emaxs[i] = ent->origin[i] + entmodel->maxs[i];
 	}
 
-	R_SplitEntityOnNode (cl.worldmodel->nodes);
+	R_SplitEntityOnNode (cl.worldmodel->nodes, ent);
 
 	ent->topnode = r_pefragtopnode;
 }
--- a/r_local.h
+++ b/r_local.h
@@ -45,7 +45,6 @@
 extern cvar_t	r_clearcolor;
 extern cvar_t	r_waterwarp;
 extern cvar_t	r_fullbright;
-extern cvar_t	r_drawentities;
 extern cvar_t	r_ambient;
 extern cvar_t	r_reportsurfout;
 extern cvar_t	r_numsurfs;
@@ -114,9 +113,7 @@
 
 void R_DrawSprite (void);
 int R_RenderFace (msurface_t *fa, int clipflags);
-void R_RenderPoly (msurface_t *fa, int clipflags);
 void R_RenderBmodelFace (bedge_t *pedges, msurface_t *psurf);
-void R_TransformPlane (mplane_t *p, float *normal, float *dist);
 void R_TransformFrustum (void);
 void R_SetSkyFrame (void);
 void R_DrawSurfaceBlock8 (void);
@@ -171,7 +168,6 @@
 extern int		r_currentbkey;
 
 void	R_InitTurb (void);
-void	R_ZDrawSubmodelPolys (model_t *clmodel);
 
 //=========================================================
 // Alias models
@@ -211,9 +207,6 @@
 extern	int	screenwidth;
 
 // FIXME: make stack vars when debugging done
-extern	edge_t	edge_head;
-extern	edge_t	edge_tail;
-extern	edge_t	edge_aftertail;
 extern int		r_bmodelactive;
 
 extern float		aliasxscale, aliasyscale, aliasxcenter, aliasycenter;
--- a/r_main.c
+++ b/r_main.c
@@ -4,7 +4,7 @@
 
 void		*colormap;
 static vec3_t viewlightvec;
-alight_t	r_viewlighting = {128, 192, viewlightvec};
+static alight_t r_viewlighting = {128, 192, viewlightvec};
 int			r_numallocatededges;
 int			r_numallocatedbasespans;
 byte		*r_basespans;
@@ -78,18 +78,19 @@
 
 void R_MarkLeaves (void);
 
+static cvar_t r_drawentities = {"r_drawentities","1"};
+static cvar_t r_drawviewmodel = {"r_drawviewmodel","1"};
+
 cvar_t	r_clearcolor = {"r_clearcolor","2"};
 cvar_t	r_waterwarp = {"r_waterwarp","1"};
 cvar_t	r_fullbright = {"r_fullbright","0"};
-cvar_t	r_drawentities = {"r_drawentities","1"};
-cvar_t	r_drawviewmodel = {"r_drawviewmodel","1"};
 cvar_t	r_ambient = {"r_ambient", "0"};
 cvar_t	r_reportsurfout = {"r_reportsurfout", "0"};
 cvar_t	r_numsurfs = {"r_numsurfs", "0"};
 cvar_t	r_reportedgeout = {"r_reportedgeout", "0"};
 cvar_t	r_numedges = {"r_numedges", "0"};
-cvar_t	r_aliastransbase = {"r_aliastransbase", "200"};
-cvar_t	r_aliastransadj = {"r_aliastransadj", "100"};
+static cvar_t r_aliastransbase = {"r_aliastransbase", "200"};
+static cvar_t r_aliastransadj = {"r_aliastransadj", "100"};
 cvar_t	r_part_scale = {"r_part_scale", "0.75", true};
 cvar_t	r_wateralpha = {"r_wateralpha", "1", true};
 cvar_t	r_lavaalpha = {"r_lavaalpha", "1", true};
--- a/r_misc.c
+++ b/r_misc.c
@@ -16,29 +16,6 @@
 	}
 }
 
-void WarpPalette (void)
-{
-	int		i,j;
-	byte	newpalette[768];
-	int		basecolor[3];
-
-	basecolor[0] = 130;
-	basecolor[1] = 80;
-	basecolor[2] = 50;
-
-	// pull the colors halfway to bright brown
-	for (i=0 ; i<256 ; i++)
-	{
-		for (j=0 ; j<3 ; j++)
-		{
-			newpalette[i*3+j] = (host_basepal[i*3+j] + basecolor[j])/2;
-		}
-	}
-
-	setpal(newpalette);
-}
-
-
 /*
 ===================
 R_TransformFrustum
@@ -77,23 +54,6 @@
 	out[1] = DotProduct(in,vup);
 	out[2] = DotProduct(in,vpn);
 }
-
-
-/*
-================
-R_TransformPlane
-================
-*/
-void R_TransformPlane (mplane_t *p, float *normal, float *dist)
-{
-	float	d;
-
-	d = DotProduct (r_origin, p->normal);
-	*dist = p->dist - d;
-	// TODO: when we have rotating entities, this will need to use the view matrix
-	TransformVector (p->normal, normal);
-}
-
 
 /*
 ===============
--- a/r_part.c
+++ b/r_part.c
@@ -5,16 +5,16 @@
 #define ABSOLUTE_MIN_PARTICLES	512		// no fewer than this no matter what's
 										//  on the command line
 
-int		ramp1[8] = {0x6f, 0x6d, 0x6b, 0x69, 0x67, 0x65, 0x63, 0x61};
-int		ramp2[8] = {0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x68, 0x66};
-int		ramp3[8] = {0x6d, 0x6b, 6, 5, 4, 3};
+static int ramp1[8] = {0x6f, 0x6d, 0x6b, 0x69, 0x67, 0x65, 0x63, 0x61};
+static int ramp2[8] = {0x6f, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x68, 0x66};
+static int ramp3[8] = {0x6d, 0x6b, 6, 5, 4, 3};
 
 particle_t	*active_particles, *free_particles;
 
-particle_t	*particles;
-int			r_numparticles;
+static particle_t *particles;
+static int r_numparticles;
 
-vec3_t			r_pright, r_pup, r_ppn;
+vec3_t r_pright, r_pup, r_ppn;
 
 
 void
--- a/r_sky.c
+++ b/r_sky.c
@@ -1,14 +1,15 @@
 #include "quakedef.h"
 
-int		iskyspeed = 8;
-int		iskyspeed2 = 2;
-float	skyspeed, skyspeed2;
+static int iskyspeed = 8;
+static int iskyspeed2 = 2;
+static float skyspeed2;
 
-float		skytime;
+float skyspeed, skytime;
 
-byte		*r_skysource[2];
+byte *r_skysource[2];
 
-int r_skymade, skyw, skyh;
+static int r_skymade;
+int skyw, skyh;
 
 /*
 =============
--- a/r_surf.c
+++ b/r_surf.c
@@ -3,14 +3,14 @@
 drawsurf_t	r_drawsurf;
 
 static int sourcetstep, lightleftstep, lightrightstep;
-void			*prowdestbase;
-unsigned char	*pbasesource;
-int				surfrowbytes;	// used by ASM files
-unsigned		*r_lightptr;
-int				r_stepback;
-int				r_lightwidth;
-int				r_numhblocks, r_numvblocks;
-unsigned char	*r_source, *r_sourcemax;
+static int surfrowbytes;	// used by ASM files
+static int r_stepback;
+static int r_numhblocks, r_numvblocks;
+static byte *r_source, *r_sourcemax;
+static unsigned *r_lightptr;
+static int r_lightwidth;
+static byte *pbasesource;
+static void *prowdestbase;
 
 static void R_DrawSurfaceBlock8_mip0 (void);
 static void R_DrawSurfaceBlock8_mip1 (void);
@@ -480,40 +480,4 @@
 		if (psource >= r_sourcemax)
 			psource -= r_stepback;
 	}
-}
-
-/*
-================
-R_GenTurbTile
-================
-*/
-void R_GenTurbTile (pixel_t *pbasetex, void *pdest)
-{
-	int		*turb;
-	int		i, j, s, t;
-	byte	*pd;
-
-	turb = sintable + ((int)(cl.time*SPEED)&(CYCLE-1));
-	pd = (byte *)pdest;
-
-	for (i=0 ; i<TILE_SIZE ; i++)
-	{
-		for (j=0 ; j<TILE_SIZE ; j++)
-		{
-			s = (((j << 16) + turb[i & (CYCLE-1)]) >> 16) & 63;
-			t = (((i << 16) + turb[j & (CYCLE-1)]) >> 16) & 63;
-			*pd++ = *(pbasetex + (t<<6) + s);
-		}
-	}
-}
-
-void
-R_GenTile(msurface_t *psurf, void *pdest)
-{
-	if(psurf->flags & SURF_DRAWTURB){
-		R_GenTurbTile((pixel_t *)
-			((byte *)psurf->texinfo->texture
-			+ psurf->texinfo->texture->offsets[0]), pdest);
-	}else if((psurf->flags & SURF_DRAWSKY) == 0)
-		fatal("Unknown tile type");
 }
--- a/sbar.c
+++ b/sbar.c
@@ -1,44 +1,44 @@
 #include "quakedef.h"
 
 
-int			sb_updates;		// if >= vid.numpages, no update needed
+static int sb_updates;		// if >= vid.numpages, no update needed
 
 #define STAT_MINUS		10	// num frame for '-' stats digit
-qpic_t		*sb_nums[2][11];
-qpic_t		*sb_colon, *sb_slash;
-qpic_t		*sb_ibar;
-qpic_t		*sb_sbar;
-qpic_t		*sb_scorebar;
+static qpic_t *sb_nums[2][11];
+static qpic_t *sb_colon, *sb_slash;
+static qpic_t *sb_ibar;
+static qpic_t *sb_sbar;
+static qpic_t *sb_scorebar;
 
-qpic_t      *sb_weapons[7][8];   // 0 is active, 1 is owned, 2-5 are flashes
-qpic_t      *sb_ammo[4];
-qpic_t		*sb_sigil[4];
-qpic_t		*sb_armor[3];
-qpic_t		*sb_items[32];
+static qpic_t *sb_weapons[7][8]; // 0 is active, 1 is owned, 2-5 are flashes
+static qpic_t *sb_ammo[4];
+static qpic_t *sb_sigil[4];
+static qpic_t *sb_armor[3];
+static qpic_t *sb_items[32];
 
-qpic_t	*sb_faces[7][2];		// 0 is gibbed, 1 is dead, 2-6 are alive
-							// 0 is static, 1 is temporary animation
-qpic_t	*sb_face_invis;
-qpic_t	*sb_face_quad;
-qpic_t	*sb_face_invuln;
-qpic_t	*sb_face_invis_invuln;
+static qpic_t *sb_faces[7][2]; // 0 is gibbed, 1 is dead, 2-6 are alive
+// 0 is static, 1 is temporary animation
+static qpic_t *sb_face_invis;
+static qpic_t *sb_face_quad;
+static qpic_t *sb_face_invuln;
+static qpic_t *sb_face_invis_invuln;
 
-bool	sb_showscores;
+static bool sb_showscores;
 
 int			sb_lines;			// scan lines to draw
 
-qpic_t      *rsb_invbar[2];
-qpic_t      *rsb_weapons[5];
-qpic_t      *rsb_items[2];
-qpic_t      *rsb_ammo[3];
-qpic_t      *rsb_teambord;		// PGM 01/19/97 - team color border
+static qpic_t *rsb_invbar[2];
+static qpic_t *rsb_weapons[5];
+static qpic_t *rsb_items[2];
+static qpic_t *rsb_ammo[3];
+static qpic_t *rsb_teambord;		// PGM 01/19/97 - team color border
 
 //MED 01/04/97 added two more weapons + 3 alternates for grenade launcher
-qpic_t      *hsb_weapons[7][5];   // 0 is active, 1 is owned, 2-5 are flashes
+static qpic_t *hsb_weapons[7][5];   // 0 is active, 1 is owned, 2-5 are flashes
 //MED 01/04/97 added array to simplify weapon parsing
-int         hipweapons[4] = {HIT_LASER_CANNON_BIT,HIT_MJOLNIR_BIT,4,HIT_PROXIMITY_GUN_BIT};
+static int hipweapons[4] = {HIT_LASER_CANNON_BIT,HIT_MJOLNIR_BIT,4,HIT_PROXIMITY_GUN_BIT};
 //MED 01/04/97 added hipnotic items array
-qpic_t      *hsb_items[2];
+static qpic_t *hsb_items[2];
 
 void Sbar_MiniDeathmatchOverlay (void);
 void Sbar_DeathmatchOverlay (void);
@@ -354,14 +354,9 @@
 
 //=============================================================================
 
-int		fragsort[MAX_SCOREBOARD];
+static int fragsort[MAX_SCOREBOARD];
+static int scoreboardlines;
 
-char	scoreboardtext[MAX_SCOREBOARD][48];
-int		scoreboardtop[MAX_SCOREBOARD];
-int		scoreboardbottom[MAX_SCOREBOARD];
-int		scoreboardcount[MAX_SCOREBOARD];
-int		scoreboardlines;
-
 /*
 ===============
 Sbar_SortFrags
@@ -399,37 +394,6 @@
 
 /*
 ===============
-Sbar_UpdateScoreboard
-===============
-*/
-void Sbar_UpdateScoreboard (void)
-{
-	int		i, k;
-	int		top, bottom;
-	scoreboard_t	*s;
-
-	Sbar_SortFrags ();
-
-// draw the text
-	memset(scoreboardtext, 0, sizeof scoreboardtext);
-
-	for (i=0 ; i<scoreboardlines; i++)
-	{
-		k = fragsort[i];
-		s = &cl.scores[k];
-		snprint (scoreboardtext[i]+1, sizeof(scoreboardtext[i])-1, "%3d %s", s->frags, s->name);
-
-		top = s->colors & 0xf0;
-		bottom = (s->colors & 15) <<4;
-		scoreboardtop[i] = Sbar_ColorForMap (top);
-		scoreboardbottom[i] = Sbar_ColorForMap (bottom);
-	}
-}
-
-
-
-/*
-===============
 Sbar_SoloScoreboard
 ===============
 */
@@ -468,51 +432,6 @@
 	Sbar_SoloScoreboard ();
 	if (cl.gametype == GAME_DEATHMATCH)
 		Sbar_DeathmatchOverlay ();
-/*
-	int		i, j, c;
-	int		x, y;
-	int		l;
-	int		top, bottom;
-	scoreboard_t	*s;
-
-	if (cl.gametype != GAME_DEATHMATCH)
-	{
-		Sbar_SoloScoreboard ();
-		return;
-	}
-
-	Sbar_UpdateScoreboard ();
-
-	l = scoreboardlines <= 6 ? scoreboardlines : 6;
-
-	for (i=0 ; i<l ; i++)
-	{
-		x = 20*(i&1);
-		y = i/2 * 8;
-
-		s = &cl.scores[fragsort[i]];
-		if (!s->name[0])
-			continue;
-
-		// draw background
-		top = s->colors & 0xf0;
-		bottom = (s->colors & 15)<<4;
-		top = Sbar_ColorForMap (top);
-		bottom = Sbar_ColorForMap (bottom);
-
-		Draw_Fill ( x*8+10 + ((vid.width - 320)>>1), y + vid.height - SBAR_HEIGHT, 28, 4, top);
-		Draw_Fill ( x*8+10 + ((vid.width - 320)>>1), y+4 + vid.height - SBAR_HEIGHT, 28, 4, bottom);
-
-		// draw text
-		for (j=0 ; j<20 ; j++)
-		{
-			c = scoreboardtext[i][j];
-			if (c == 0 || c == ' ')
-				continue;
-			Sbar_DrawCharacter ( (x+j)*8, y, c);
-		}
-	}
-*/
 }
 
 //=============================================================================
@@ -910,8 +829,6 @@
 	if (sb_updates >= vid.numpages)
 		return;
 
-	scr_copyeverything = 1;
-
 	sb_updates++;
 
 	if (sb_lines && vid.width > 320)
@@ -1071,7 +988,6 @@
 	char			num[12];
 	scoreboard_t	*s;
 
-	scr_copyeverything = 1;
 	scr_fullupdate = 0;
 
 	pic = Draw_CachePic ("gfx/ranking.lmp");
@@ -1155,7 +1071,6 @@
 	if (vid.width < 512 || !sb_lines)
 		return;
 
-	scr_copyeverything = 1;
 	scr_fullupdate = 0;
 
 	// scores
@@ -1249,7 +1164,6 @@
 	int		dig;
 	int		num;
 
-	scr_copyeverything = 1;
 	scr_fullupdate = 0;
 
 	if (cl.gametype == GAME_DEATHMATCH)
@@ -1292,8 +1206,6 @@
 void Sbar_FinaleOverlay (void)
 {
 	qpic_t	*pic;
-
-	scr_copyeverything = 1;
 
 	pic = Draw_CachePic ("gfx/finale.lmp");
 	Draw_TransPic ( (vid.width-pic->width)/2, 16, pic);
--- a/screen.c
+++ b/screen.c
@@ -1,44 +1,37 @@
 #include "quakedef.h"
 
-// only the refresh window will be updated unless these variables are flagged
-int			scr_copytop;
-int			scr_copyeverything;
+float scr_con_current;
+static float scr_conlines; // lines of console to display
 
-float		scr_con_current;
-float		scr_conlines;		// lines of console to display
+static float oldscreensize, oldfov;
+cvar_t scr_viewsize = {"viewsize","100", true};
 
-float		oldscreensize, oldfov;
-cvar_t		scr_viewsize = {"viewsize","100", true};
-cvar_t		scr_fov = {"fov","90",true};	// 10 - 170
-cvar_t		scr_conspeed = {"scr_conspeed","300",true};
-cvar_t		scr_centertime = {"scr_centertime","2"};
-cvar_t		scr_showram = {"showram","1"};
-cvar_t		scr_showturtle = {"showturtle","0"};
-cvar_t		scr_showpause = {"showpause","1"};
-cvar_t		scr_printspeed = {"scr_printspeed","8"};
-cvar_t		scr_showfps = {"showfps","0", true};
+static cvar_t scr_fov = {"fov","90",true}; // 10 - 170
+static cvar_t scr_conspeed = {"scr_conspeed","300",true};
+static cvar_t scr_centertime = {"scr_centertime","2"};
+static cvar_t scr_showram = {"showram","1"};
+static cvar_t scr_showturtle = {"showturtle","0"};
+static cvar_t scr_showpause = {"showpause","1"};
+static cvar_t scr_printspeed = {"scr_printspeed","8"};
+static cvar_t scr_showfps = {"showfps","0", true};
 
-bool	scr_initialized;		// ready to draw
+static bool scr_initialized; // ready to draw
 
-qpic_t		*scr_net;
-qpic_t		*scr_turtle;
+static qpic_t *scr_net, *scr_turtle;
 
-int			scr_fullupdate;
+int scr_fullupdate;
 
-int			clearconsole;
-int			clearnotify;
+static int clearconsole;
+int clearnotify;
 
-viddef_t	vid;				// global video state
+viddef_t vid; // global video state
 
-vrect_t		scr_vrect;
+vrect_t scr_vrect;
 
-bool	scr_disabled_for_loading;
-bool	scr_drawloading;
-float		scr_disabled_time;
-bool	scr_skipupdate;
+bool scr_disabled_for_loading;
+static bool scr_drawloading;
+static float scr_disabled_time;
 
-bool	block_drawing;
-
 /*
 ===============================================================================
 
@@ -47,12 +40,12 @@
 ===============================================================================
 */
 
-char		scr_centerstring[1024];
-float		scr_centertime_start;	// for slow victory printing
-float		scr_centertime_off;
-int			scr_center_lines;
-int			scr_erase_lines;
-int			scr_erase_center;
+float scr_centertime_off;
+static char scr_centerstring[1024];
+static float scr_centertime_start; // for slow victory printing
+static int scr_center_lines;
+static int scr_erase_lines;
+static int scr_erase_center;
 
 /*
 ==============
@@ -78,7 +71,7 @@
 	}
 }
 
-void SCR_EraseCenterString (void)
+static void SCR_EraseCenterString (void)
 {
 	int		y;
 
@@ -93,11 +86,10 @@
 	else
 		y = 48;
 
-	scr_copytop = 1;
 	Draw_TileClear (0, y,vid.width, 8*scr_erase_lines);
 }
 
-void SCR_DrawCenterString (void)
+static void SCR_DrawCenterString (void)
 {
 	char	*start;
 	int		l;
@@ -144,9 +136,8 @@
 	} while (1);
 }
 
-void SCR_CheckDrawCenterString (void)
+static void SCR_CheckDrawCenterString (void)
 {
-	scr_copytop = 1;
 	if (scr_center_lines > scr_erase_lines)
 		scr_erase_lines = scr_center_lines;
 
@@ -167,7 +158,7 @@
 CalcFov
 ====================
 */
-float CalcFov (float fov_x, float width, float height)
+static float CalcFov (float fov_x, float width, float height)
 {
 	float   a = 0;
 	float   x;
@@ -259,7 +250,7 @@
 Keybinding command
 =================
 */
-void SCR_SizeUp_f (void)
+static void SCR_SizeUp_f (void)
 {
 	setcvarv ("viewsize",scr_viewsize.value+10);
 	vid.recalc_refdef = 1;
@@ -273,7 +264,7 @@
 Keybinding command
 =================
 */
-void SCR_SizeDown_f (void)
+static void SCR_SizeDown_f (void)
 {
 	setcvarv ("viewsize",scr_viewsize.value-10);
 	vid.recalc_refdef = 1;
@@ -304,7 +295,7 @@
 SCR_DrawTurtle
 ==============
 */
-void SCR_DrawTurtle (void)
+static void SCR_DrawTurtle (void)
 {
 	static int	count;
 
@@ -324,7 +315,7 @@
 	Draw_Pic (scr_vrect.x, scr_vrect.y, scr_turtle);
 }
 
-void SCR_DrawFPS (void)
+static void SCR_DrawFPS (void)
 {
 	static uvlong lastframetime;
 	static int lastcnt, fps;
@@ -349,7 +340,7 @@
 SCR_DrawNet
 ==============
 */
-void SCR_DrawNet (void)
+static void SCR_DrawNet (void)
 {
 	if (realtime - cl.last_received_message < 0.3)
 		return;
@@ -364,7 +355,7 @@
 DrawPause
 ==============
 */
-void SCR_DrawPause (void)
+static void SCR_DrawPause (void)
 {
 	qpic_t	*pic;
 
@@ -386,7 +377,7 @@
 SCR_DrawLoading
 ==============
 */
-void SCR_DrawLoading (void)
+static void SCR_DrawLoading (void)
 {
 	qpic_t	*pic;
 
@@ -408,7 +399,7 @@
 SCR_SetUpToDrawConsole
 ==================
 */
-void SCR_SetUpToDrawConsole (void)
+static void SCR_SetUpToDrawConsole (void)
 {
 	Con_CheckResize ();
 
@@ -444,13 +435,11 @@
 
 	if (clearconsole++ < vid.numpages)
 	{
-		scr_copytop = 1;
 		Draw_TileClear (0,(int)scr_con_current,vid.width, vid.height - (int)scr_con_current);
 		Sbar_Changed ();
 	}
 	else if (clearnotify++ < vid.numpages)
 	{
-		scr_copytop = 1;
 		Draw_TileClear (0,0,vid.width, con_notifylines);
 	}
 	else
@@ -462,11 +451,10 @@
 SCR_DrawConsole
 ==================
 */
-void SCR_DrawConsole (void)
+static void SCR_DrawConsole (void)
 {
 	if (scr_con_current)
 	{
-		scr_copyeverything = 1;
 		Con_DrawConsole (scr_con_current, true);
 		clearconsole = 0;
 	}
@@ -500,7 +488,7 @@
 	scr_drawloading = true;
 	scr_fullupdate = 0;
 	Sbar_Changed ();
-	SCR_UpdateScreen ();
+	SCR_UpdateScreen(false);
 	scr_drawloading = false;
 
 	scr_disabled_for_loading = true;
@@ -523,10 +511,9 @@
 
 //=============================================================================
 
-char	*scr_notifystring;
-bool	scr_drawdialog;
+static char *scr_notifystring;
 
-void SCR_DrawNotifyString (void)
+static void SCR_DrawNotifyString (void)
 {
 	char	*start;
 	int		l;
@@ -575,9 +562,7 @@
 
 	// draw a fresh screen
 	scr_fullupdate = 0;
-	scr_drawdialog = true;
-	SCR_UpdateScreen ();
-	scr_drawdialog = false;
+	SCR_UpdateScreen (true);
 	do
 	{
 		key_count = -1;		// wait for a key down and up
@@ -585,7 +570,7 @@
 	} while (key_lastpress != 'y' && key_lastpress != 'n' && key_lastpress != K_ESCAPE);
 
 	scr_fullupdate = 0;
-	SCR_UpdateScreen ();
+	SCR_UpdateScreen (false);
 
 	return key_lastpress == 'y';
 }
@@ -607,7 +592,7 @@
 	scr_centertime_off = 0;
 
 	for (i=0 ; i<20 && scr_conlines != scr_con_current ; i++)
-		SCR_UpdateScreen ();
+		SCR_UpdateScreen(false);
 
 	cl.cshifts[0].percent = 0;		// no area contents palette on next frame
 	setpal(host_basepal);
@@ -625,16 +610,10 @@
 needs almost the entire 256k of stack space!
 ==================
 */
-void SCR_UpdateScreen (void)
+void SCR_UpdateScreen (bool drawdialog)
 {
 	static float	oldlcd_x;
 
-	if (scr_skipupdate || block_drawing)
-		return;
-
-	scr_copytop = 0;
-	scr_copyeverything = 0;
-
 	if (scr_disabled_for_loading)
 	{
 		if (realtime - scr_disabled_time > 60)
@@ -680,7 +659,6 @@
 	// do 3D refresh drawing, and then update the screen
 	if (scr_fullupdate++ < vid.numpages)
 	{	// clear the entire screen
-		scr_copyeverything = 1;
 		Draw_TileClear (0,0,vid.width,vid.height);
 		Sbar_Changed ();
 	}
@@ -690,12 +668,11 @@
 
 	V_RenderView ();
 
-	if (scr_drawdialog)
+	if (drawdialog)
 	{
 		Sbar_Draw ();
 		Draw_FadeScreen ();
 		SCR_DrawNotifyString ();
-		scr_copyeverything = true;
 	}
 	else if (scr_drawloading)
 	{
--- a/screen.h
+++ b/screen.h
@@ -1,8 +1,7 @@
 void SCR_Init (void);
 
-void SCR_UpdateScreen (void);
+void SCR_UpdateScreen (bool drawdialog);
 
-
 void SCR_SizeUp (void);
 void SCR_SizeDown (void);
 void SCR_BringDownConsole (void);
@@ -14,7 +13,6 @@
 int SCR_ModalMessage (char *text);
 
 extern	float		scr_con_current;
-extern	float		scr_conlines;		// lines of console to display
 
 extern	int			scr_fullupdate;	// set to 0 to force full redraw
 extern	int			sb_lines;
@@ -21,12 +19,5 @@
 
 extern	int			clearnotify;	// set to 0 whenever notify text is drawn
 extern	bool	scr_disabled_for_loading;
-extern	bool	scr_skipupdate;
 
 extern cvar_t scr_viewsize;
-
-// only the refresh window will be updated unless these variables are flagged
-extern	int			scr_copytop;
-extern	int			scr_copyeverything;
-
-extern bool		block_drawing;
--- a/shell.nix
+++ b/shell.nix
@@ -1,8 +1,9 @@
 with import <nixpkgs> {};
-stdenv.mkDerivation {
+stdenvNoCC.mkDerivation {
  name = "qk1";
  buildInputs = with pkgs; [
   SDL2
   pkg-config
+  gcc13
  ];
 }
--- a/sv_move.c
+++ b/sv_move.c
@@ -11,8 +11,6 @@
 
 =============
 */
-int c_yes, c_no;
-
 bool SV_CheckBottom (edict_t *ent)
 {
 	vec3_t	mins, maxs, start, stop;
@@ -36,11 +34,9 @@
 				goto realcheck;
 		}
 
-	c_yes++;
 	return true;		// we got out easy
 
 realcheck:
-	c_no++;
 
 	// check it for real...
 	start[2] = mins[2];
@@ -70,7 +66,6 @@
 				return false;
 		}
 
-	c_yes++;
 	return true;
 }
 
--- a/sv_phys.c
+++ b/sv_phys.c
@@ -30,32 +30,6 @@
 
 /*
 ================
-SV_CheckAllEnts
-================
-*/
-void SV_CheckAllEnts (void)
-{
-	int			e;
-	edict_t		*check;
-
-	// see if any solid entities are inside the final position
-	check = NEXT_EDICT(sv.edicts);
-	for (e=1 ; e<sv.num_edicts ; e++, check = NEXT_EDICT(check))
-	{
-		if (check->free)
-			continue;
-		if (check->v.movetype == MOVETYPE_PUSH
-		|| check->v.movetype == MOVETYPE_NONE
-		|| check->v.movetype == MOVETYPE_NOCLIP)
-			continue;
-
-		if (SV_TestEntityPosition (check))
-			Con_Printf ("entity in invalid position\n");
-	}
-}
-
-/*
-================
 SV_CheckVelocity
 ================
 */
@@ -1099,8 +1073,6 @@
 	pr_global_struct->other = EDICT_TO_PROG(sv.edicts);
 	pr_global_struct->time = sv.time;
 	PR_ExecuteProgram (pr_global_struct->StartFrame);
-
-	//SV_CheckAllEnts ();
 
 	// treat each object in turn
 	ent = sv.edicts;
--- a/sv_user.c
+++ b/sv_user.c
@@ -10,8 +10,8 @@
 
 static	vec3_t		forward, right, up;
 
-vec3_t	wishdir;
-float	wishspeed;
+static vec3_t wishdir;
+static float wishspeed;
 
 // world
 float	*angles;
--- a/wad.c
+++ b/wad.c
@@ -1,8 +1,8 @@
 #include "quakedef.h"
 
-int			wad_numlumps;
-lumpinfo_t	*wad_lumps;
-byte		*wad_base;
+static int wad_numlumps;
+static lumpinfo_t *wad_lumps;
+static byte *wad_base;
 
 void SwapPic (qpic_t *pic);
 
@@ -106,18 +106,6 @@
 	lumpinfo_t	*lump;
 
 	lump = W_GetLumpinfo (name);
-
-	return (void *)(wad_base + lump->filepos);
-}
-
-void *W_GetLumpNum (int num)
-{
-	lumpinfo_t	*lump;
-
-	if (num < 0 || num > wad_numlumps)
-		fatal ("W_GetLumpNum: bad number: %d", num);
-
-	lump = wad_lumps + num;
 
 	return (void *)(wad_base + lump->filepos);
 }
--- a/wad.h
+++ b/wad.h
@@ -41,14 +41,9 @@
 	char		name[16];				// must be null terminated
 } lumpinfo_t;
 
-extern	int			wad_numlumps;
-extern	lumpinfo_t	*wad_lumps;
-extern	byte		*wad_base;
-
 void	W_LoadWadFile (char *filename);
 void	W_CleanupName (char *in, char *out);
 lumpinfo_t	*W_GetLumpinfo (char *name);
 void	*W_GetLumpName (char *name);
-void	*W_GetLumpNum (int num);
 
 void SwapPic (qpic_t *pic);
--- a/world.c
+++ b/world.c
@@ -457,11 +457,6 @@
 	return cont;
 }
 
-int SV_TruePointContents (vec3_t p)
-{
-	return SV_HullPointContents (&sv.worldmodel->hulls[0], 0, p);
-}
-
 //===========================================================================
 
 /*
--- a/world.h
+++ b/world.h
@@ -37,10 +37,6 @@
 // if touchtriggers, calls prog functions for the intersected triggers
 
 int SV_PointContents (vec3_t p);
-int SV_TruePointContents (vec3_t p);
-// returns the CONTENTS_* value from the world at the given point.
-// does not check any entities at all
-// the non-true version remaps the water current contents to content_water
 
 edict_t	*SV_TestEntityPosition (edict_t *ent);
 bool SV_RecursiveHullCheck (hull_t *hull, int num, float p1f, float p2f,