From a06055f9714b9b3f7e8d736c2352f77709d988b6 Mon Sep 17 00:00:00 2001
From: Molgrum <molgrum@users.sourceforge.net>
Date: Tue, 2 Oct 2007 15:17:22 +0000
Subject: [PATCH] Fixed bot support.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@2696 fc73d0e0-1445-4013-8a0c-d673dee63da5
---
 engine/server/sv_phys.c     | 44 +++++++++++++++++++++++++++++++++++++
 engine/server/sv_sys_unix.c | 22 +++++++++++++++++++
 engine/server/sv_sys_win.c  | 33 ++++++++++++++++++++++++++++
 3 files changed, 99 insertions(+)

diff --git a/engine/server/sv_phys.c b/engine/server/sv_phys.c
index 62206e1f8..c529f07ac 100644
--- a/engine/server/sv_phys.c
+++ b/engine/server/sv_phys.c
@@ -2005,6 +2005,50 @@ qboolean SV_Physics (void)
 		return false;
 	}
 
+	if (/*sv.botsonthemap &&*/ progstype == PROG_QW)
+	{
+		//DP_QC_BOTCLIENT - make the bots move with qw physics.
+		//They only move when there arn't any players on the server, but they should move at the right kind of speed if there are... hopefully
+		//they might just be a bit lagged. they will at least be as smooth as other players are.
+
+		usercmd_t ucmd;
+		static int old_bot_time;	//I hate using floats for timers.
+		host_frametime = (Sys_Milliseconds() - old_bot_time) / 1000.0f;
+		client_t *oldhost;
+		if (1 || host_frametime >= 1 / 72.0f)
+		{
+			memset(&ucmd, 0, sizeof(ucmd));
+			old_bot_time = Sys_Milliseconds();
+			for (i = 1; i <= sv.allocated_client_slots; i++)
+			{
+				if (svs.clients[i-1].state && svs.clients[i-1].protocol == SCP_BAD)
+				{	//then this is a bot
+					ucmd.msec = host_frametime*1000;
+					ucmd.angles[0] = svs.clients[i-1].edict->v->angles[0] * (65535/360.0f);
+					ucmd.angles[1] = svs.clients[i-1].edict->v->angles[1] * (65535/360.0f);
+					ucmd.angles[2] = svs.clients[i-1].edict->v->angles[2] * (65535/360.0f);
+					ucmd.forwardmove = svs.clients[i-1].edict->xv->movement[0];
+					ucmd.sidemove = svs.clients[i-1].edict->xv->movement[1];
+					ucmd.upmove = svs.clients[i-1].edict->xv->movement[2];
+					ucmd.buttons = (svs.clients[i-1].edict->v->button0?1:0) | (ucmd.buttons = svs.clients[i-1].edict->v->button2?2:0);
+
+					svs.clients[i-1].lastcmd = ucmd;	//allow the other clients to predict this bot.
+
+					oldhost = host_client;
+					host_client = &svs.clients[i-1];
+					sv_player = host_client->edict;
+					SV_PreRunCmd();
+					SV_RunCmd(&ucmd, false);
+					SV_PostRunCmd();
+					
+					host_client = oldhost;
+					//sv_player = host_client->edict;
+				}
+			}
+			old_bot_time = Sys_Milliseconds();
+		}
+	}
+
 
 // don't bother running a frame if sys_ticrate seconds haven't passed
 	host_frametime = realtime - old_time;
diff --git a/engine/server/sv_sys_unix.c b/engine/server/sv_sys_unix.c
index db74d877e..5251ea710 100644
--- a/engine/server/sv_sys_unix.c
+++ b/engine/server/sv_sys_unix.c
@@ -160,6 +160,28 @@ int Sys_DebugLog(char *file, char *fmt, ...)
 	}
 	return 1;
 }
+
+/*
+================
+Sys_Milliseconds
+================
+*/
+unsigned int Sys_Milliseconds (void)
+{
+	struct timeval tp;
+	struct timezone tzp;
+	int secbase;
+
+	gettimeofday(&tp, &tzp);
+
+	if (!secbase)
+	{
+		secbase = tp.tv_sec;
+		return tp.tv_usec/1000;
+	}
+	return (tp.tv_sec - secbase)*1000 + tp.tv_usec/1000;
+}
+
 /*
 ================
 Sys_DoubleTime
diff --git a/engine/server/sv_sys_win.c b/engine/server/sv_sys_win.c
index 118b82514..fa9454862 100644
--- a/engine/server/sv_sys_win.c
+++ b/engine/server/sv_sys_win.c
@@ -364,6 +364,39 @@ void Sys_Error (const char *error, ...)
 	Sys_Quit ();
 }
 
+/*
+================
+Sys_Milliseconds
+================
+*/
+unsigned int Sys_Milliseconds (void)
+{
+	static DWORD starttime;
+	static qboolean first = true;
+	DWORD now;
+//	double t;
+
+	now = timeGetTime();
+
+	if (first) {
+		first = false;
+		starttime = now;
+		return 0.0;
+	}
+	/*
+	if (now < starttime) // wrapped?
+	{
+		double r;
+		r = (now) + (LONG_MAX - starttime);
+		starttime = now;
+		return r;
+	}
+
+	if (now - starttime == 0)
+		return 0.0;
+*/
+	return (now - starttime);
+}
 
 /*
 ================