From fc7324485ef03e1fc1bd4c05d82e64a1a6e887fc Mon Sep 17 00:00:00 2001
From: Bill Currie <bill@taniwha.org>
Date: Tue, 4 Mar 2003 03:35:12 +0000
Subject: [PATCH] implement SV_AllocClient and SV_FreeClient builtins

---
 qw/include/server.h    |  2 ++
 qw/source/sv_main.c    | 20 +++++++++-----------
 qw/source/sv_pr_cmds.c | 40 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 51 insertions(+), 11 deletions(-)

diff --git a/qw/include/server.h b/qw/include/server.h
index f9173a2e2..c8e4efefd 100644
--- a/qw/include/server.h
+++ b/qw/include/server.h
@@ -451,6 +451,8 @@ extern struct clip_hull_s *pf_hull_list[];
 // sv_main.c
 //
 
+client_t *SV_AllocClient (int spectator, int server);
+
 void SV_SavePenaltyFilter (client_t *cl, filtertype_t type, double pentime);
 double SV_RestorePenaltyFilter (client_t *cl, filtertype_t type);
 
diff --git a/qw/source/sv_main.c b/qw/source/sv_main.c
index c8da8376b..d7058559d 100644
--- a/qw/source/sv_main.c
+++ b/qw/source/sv_main.c
@@ -721,11 +721,12 @@ SVC_GetChallenge (void)
 							svs.challenges[i].challenge, extended);
 }
 
-static client_t *
-SVC_AllocClient (int spectator)
+client_t *
+SV_AllocClient (int spectator, int server)
 {
 	client_t   *cl;
 	int         i, clients, spectators, free;
+	static int  userid;
 
 	// count up the clients and spectators
 	clients = 0;
@@ -741,13 +742,16 @@ SVC_AllocClient (int spectator)
 	}
 
 	// if at server limits, refuse connection
-	if (!free || (spectator && spectators >= maxspectators->int_val)
-		|| (!spectator && clients >= maxclients->int_val)) {
+	if (!free ||
+		(!server && ((spectator && spectators >= maxspectators->int_val)
+					 || (!spectator && clients >= maxclients->int_val)))) {
 		return 0;
 	}
 	// find a client slot
 	for (i = 0, cl = svs.clients; i < MAX_CLIENTS; i++, cl++) {
 		if (cl->state == cs_free) {
+			svs.num_clients++;
+			cl->userid = userid++;	// so every client gets a unique id
 			return cl;
 		}
 	}
@@ -769,7 +773,6 @@ SVC_DirectConnect (void)
 	client_t    temp;
 	edict_t    *ent;
 	int         challenge, edictnum, qport, version, i;
-	static int  userid;
 	netadr_t    adr;
 	qboolean    spectator;
 
@@ -862,13 +865,10 @@ SVC_DirectConnect (void)
 	}
 
 	adr = net_from;
-	userid++;							// so every client gets a unique id
 
 	newcl = &temp;
 	memset (newcl, 0, sizeof (client_t));
 
-	newcl->userid = userid;
-
 	newcl->userinfo = userinfo;
 
 	// if there is already a slot for this ip, drop it
@@ -880,7 +880,6 @@ SVC_DirectConnect (void)
 				|| adr.port == cl->netchan.remote_address.port)) {
 			if (cl->state == cs_connected) {
 				SV_Printf ("%s:dup connect\n", NET_AdrToString (adr));
-				userid--;
 				return;
 			}
 
@@ -889,7 +888,7 @@ SVC_DirectConnect (void)
 			break;
 		}
 	}
-	if (!(newcl = SVC_AllocClient (spectator))) {
+	if (!(newcl = SV_AllocClient (spectator, 0))) {
 		SV_Printf ("%s:full connect\n", NET_AdrToString (adr));
 		Netchan_OutOfBandPrint (adr, "%c\nserver is full\n\n", A2C_PRINT);
 		return;
@@ -913,7 +912,6 @@ SVC_DirectConnect (void)
 	newcl->state = cs_connected;
 	newcl->prespawned = false;
 	newcl->spawned = false;
-	svs.num_clients++;
 
 	newcl->datagram.allowoverflow = true;
 	newcl->datagram.data = newcl->datagram_buf;
diff --git a/qw/source/sv_pr_cmds.c b/qw/source/sv_pr_cmds.c
index 5726ef069..630c885d0 100644
--- a/qw/source/sv_pr_cmds.c
+++ b/qw/source/sv_pr_cmds.c
@@ -50,6 +50,7 @@ static __attribute__ ((unused)) const char rcsid[] =
 #include "crudefile.h"
 #include "server.h"
 #include "sv_demo.h"
+#include "sv_gib.h"
 #include "sv_pr_cmds.h"
 #include "sv_progs.h"
 #include "world.h"
@@ -1718,6 +1719,42 @@ PF_sv_cvar (progs_t *pr)
 	}
 }
 
+static void
+PF_SV_AllocClient (progs_t *pr)
+{
+	client_t   *cl = SV_AllocClient (0, 1);
+	edict_t    *ent;
+
+	if (!cl) {
+		R_var (pr, entity) = 0;
+		return;
+	}
+	memset (cl, 0, sizeof (*cl));
+	cl->userinfo = Info_ParseString ("", 1023, !sv_highchars->int_val);
+	//XXX netchan? Netchan_Setup (&newcl->netchan, adr, qport);
+	cl->state = cs_server;
+	cl->spectator = 0;
+	ent = EDICT_NUM (&sv_pr_state, (cl - svs.clients) + 1);
+	SV_ExtractFromUserinfo (cl);
+	RETURN_EDICT (pr, ent);
+}
+
+static void
+PF_SV_FreeClient (progs_t *pr)
+{
+	int         entnum = P_EDICTNUM (pr, 0);
+	client_t   *cl = svs.clients + entnum - 1;
+
+	if (cl->state != cs_server)
+		PR_RunError (pr, "not a server client");
+	if (cl->userinfo)
+		Info_Destroy (cl->userinfo);
+	SV_FullClientUpdate (cl, &sv.reliable_datagram);
+	if (sv_client_disconnect_e->func)
+		GIB_Event_Callback (sv_client_disconnect_e, 2, va("%u", cl->userid),
+							"server");
+}
+
 void
 SV_PR_Cmds_Init ()
 {
@@ -1792,4 +1829,7 @@ SV_PR_Cmds_Init ()
 	PR_AddBuiltin (&sv_pr_state, "cfwrite", PF_cfwrite, 106); // float (float desc, string buf) cfwrite
 	PR_AddBuiltin (&sv_pr_state, "cfeof", PF_cfeof, 107); // float (float desc) cfeof
 	PR_AddBuiltin (&sv_pr_state, "cfquota", PF_cfquota, 108); // float () cfquota
+
+	PR_AddBuiltin (&sv_pr_state, "SV_AllocClient", PF_SV_AllocClient, -1);
+	PR_AddBuiltin (&sv_pr_state, "SV_FreeClient", PF_SV_FreeClient, -1);
 };