Client: Disable some expensive routines when paused.

src/client/entry.qc

@@ -526,6 +526,9 @@ CSQC_Input_Frame(void)
 {
 	entity me;
 
+	if (Util_IsPaused())
+		return;
+
 	CSQC_UpdateSeat();
 	me = pSeat->m_ePlayer;
 

src/client/predict.qc

@@ -26,6 +26,9 @@ Propagate our pmove state to whatever the current frame before its stomped on
 void
 Predict_EntityUpdate(player pl, float new)
 {
+	if (Util_IsPaused())
+		return;
+
 	/* this is a new client entity, let's set it up right */
 	if (new || self.classname != "player") {
 		spawnfunc_player();

src/gs-entbase/shared/NSMonster.h

@@ -253,7 +253,7 @@ class NSMonster:NSNavAI
 	virtual int(void) AttackRanged;
 
 	virtual float(void) MeleeMaxDistance;
-	virtual int(void) MeleeCondition;
+	virtual bool(void) MeleeCondition;
 
 	virtual bool(entity enemy) IsValidEnemy;
 

src/gs-entbase/shared/NSMonster.qc

@@ -140,10 +140,10 @@ NSMonster::MeleeMaxDistance(void)
 }
 
 /* Whether or not we should attempt a melee attack */
-int
+bool
 NSMonster::MeleeCondition(void)
 {
-	return (vlen(origin - m_eEnemy.origin) < MeleeMaxDistance()) ? TRUE : FALSE;
+	return (vlen(origin - m_eEnemy.origin) < MeleeMaxDistance()) ? true : false;
 }
 
 float

src/gs-entbase/shared/NSTalkMonster.qc

@@ -369,16 +369,29 @@ NSTalkMonster::TalkStopFollow(void)
 void
 NSTalkMonster::FollowPlayer(void)
 {
+	float flPlayerDist;
 	input_angles = vectoangles(m_eFollowingChain.origin - origin);
 	input_angles[0] = 0;
 	input_angles[1] = Math_FixDelta(input_angles[1]);
 	input_angles[2] = 0;
 
+	/* for best results, we want to ignore the Z plane
+	   this avoids the problem of a follower spinning 
+	    around when above/below you on a platform */
+	vector vecParent = m_eFollowingChain.origin;
+	vecParent[2] = origin[2];
+
+	flPlayerDist = vlen(vecParent - origin);
+
 	/* Give up after 1024 units */
-	if (vlen(m_eFollowingChain.origin - origin) > 1024) {
+	if (flPlayerDist > 1024) {
 		m_eFollowing = world;
-	} else if (vlen(m_eFollowingChain.origin - origin) > 64) {
-		input_movevalues[0] = GetChaseSpeed();
+	} else if (flPlayerDist > 64) {
+		/* if we're close enough, we ought to walk */
+		if (flPlayerDist > 256)
+			input_movevalues[0] = GetChaseSpeed();
+		else
+			input_movevalues[0] = GetWalkSpeed();
 
 		other = world;
 		traceline(origin, m_eFollowingChain.origin, MOVE_OTHERONLY, this);

src/shared/NSClientPlayer.qc

@@ -48,6 +48,9 @@ void
 NSClientPlayer::PreFrame(void)
 {
 #ifdef CLIENT
+	if (Util_IsPaused())
+		return;
+
 	/* this is where a game/mod would decide to add more prediction rollback
 	 * information. */
 	PredictPreFrame();
@@ -86,6 +89,9 @@ void
 NSClientPlayer::PostFrame(void)
 {
 #ifdef CLIENT
+	if (Util_IsPaused())
+		return;
+
 	/* give the game/mod a chance to roll back its values too */
 	PredictPostFrame();
 	setorigin(this, origin);  /* update bounds */
@@ -101,7 +107,10 @@ NSClientPlayer::PostFrame(void)
 
 void
 NSClientPlayer::ClientInput(void)
-{
+{	
+	if (Util_IsPaused())
+		return;
+
 	XR_InputFrame(this);
 
 	if (!Client_InIntermission() && IsFakeSpectator()) {
@@ -174,7 +183,10 @@ This is basically CSQC_Input_Frame! So games can override this as they please.
 */
 void
 NSClientPlayer::ClientInputFrame(void)
-{
+{	
+	if (Util_IsPaused())
+		return;
+
 	if (IsFakeSpectator()) {
 		NSClientSpectator::ClientInputFrame();
 		return;

src/shared/defs.h

@@ -120,6 +120,7 @@ Empty(void)
 void Util_Destroy(void);
 string Util_TimeToString(float fTime);
 int Util_IsTeamplay(void);
+bool Util_IsPaused(void);
 
 __wrap void
 dprint(string m)

src/shared/util.qc

@@ -14,6 +14,16 @@
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */
 
+bool
+Util_IsPaused(void)
+{
+#ifdef CLIENT
+	return serverkeyfloat(SERVERKEY_PAUSESTATE) == 1 ? true : false;
+#else
+	return false;
+#endif
+}
+
 void
 Util_Destroy(void)
 {