Just kind of shoving the QuakeWorld QuakeC source in here.

qw-qc/spectate.qc

@@ -0,0 +1,111 @@
+/*
+	spectate.qc
+
+	spectator functions
+
+	PURPOSE
+
+	Copyright (C) 1996-1997  Id Software, Inc.
+
+	This program is free software; you can redistribute it and/or
+	modify it under the terms of the GNU General Public License
+	as published by the Free Software Foundation; either version 2
+	of the License, or (at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+	See the GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to:
+
+		Free Software Foundation, Inc.
+		59 Temple Place - Suite 330
+		Boston, MA  02111-1307, USA
+
+*/
+// Added Aug11'97 by Zoid <zoid@idsoftware.com>
+//
+// These functions are called from the server if they exist.
+// Note that Spectators only have one think since they movement code doesn't
+// track them much.  Impulse commands work as usual, but don't call
+// the regular ImpulseCommand handler in weapons.qc since Spectators don't
+// have any weapons and things can explode.
+//
+//   --- Zoid.
+
+/*
+===========
+SpectatorConnect
+
+called when a spectator connects to a server
+============
+*/
+void() SpectatorConnect =
+{
+	bprint (PRINT_MEDIUM, "Spectator ");
+	bprint (PRINT_MEDIUM, self.netname);
+	bprint (PRINT_MEDIUM, " entered the game\n");
+
+	self.goalentity = world; // used for impulse 1 below
+};
+
+/*
+===========
+SpectatorDisconnect
+
+called when a spectator disconnects from a server
+============
+*/
+void() SpectatorDisconnect =
+{
+	bprint (PRINT_MEDIUM, "Spectator ");
+	bprint (PRINT_MEDIUM, self.netname);
+	bprint (PRINT_MEDIUM, " left the game\n");
+};
+
+/*
+================
+SpectatorImpulseCommand
+
+Called by SpectatorThink if the spectator entered an impulse
+================
+*/
+void() SpectatorImpulseCommand =
+{
+	if (self.impulse == 1) {
+		// teleport the spectator to the next spawn point
+		// note that if the spectator is tracking, this doesn't do
+		// much
+		self.goalentity = find(self.goalentity, classname, "info_player_deathmatch");
+		if (self.goalentity == world)
+			self.goalentity = find(self.goalentity, classname, "info_player_deathmatch");
+		if (self.goalentity != world) {
+			setorigin(self, self.goalentity.origin);
+			self.angles = self.goalentity.angles;
+			self.fixangle = TRUE;           // turn this way immediately
+		}
+	}
+
+	self.impulse = 0;
+};
+
+/*
+================
+SpectatorThink
+
+Called every frame after physics are run
+================
+*/
+void() SpectatorThink =
+{
+	// self.origin, etc contains spectator position, so you could
+	// do some neat stuff here
+
+	if (self.impulse)
+		SpectatorImpulseCommand();
+};
+
+