From b24f44896c9ffe0031315a82076bfe48d154d111 Mon Sep 17 00:00:00 2001
From: CheesyPeteza <CheesyPeteza>
Date: Sun, 19 Sep 2004 17:29:08 +0000
Subject: [PATCH] New plugin to allow players to un stick themselves.

---
 plugins/ns/unstuck.sma | 110 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100755 plugins/ns/unstuck.sma

diff --git a/plugins/ns/unstuck.sma b/plugins/ns/unstuck.sma
new file mode 100755
index 00000000..2cf527fc
--- /dev/null
+++ b/plugins/ns/unstuck.sma
@@ -0,0 +1,110 @@
+/* AMX Mod X
+*   UnStuck Plugin
+*
+* by the AMX Mod X Development Team
+*
+* This file is part of AMX Mod X.
+*
+*
+*  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 the Free Software Foundation,
+*  Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*
+*  In addition, as a special exception, the author gives permission to
+*  link the code of this program with the Half-Life Game Engine ("HL
+*  Engine") and Modified Game Libraries ("MODs") developed by Valve,
+*  L.L.C ("Valve"). You must obey the GNU General Public License in all
+*  respects for all of the code used other than the HL Engine and MODs
+*  from Valve. If you modify this file, you may extend this exception
+*  to your version of the file, but you are not obligated to do so. If
+*  you do not wish to do so, delete this exception statement from your
+*  version.
+*/
+
+#include <amxmodx>
+#include <engine>
+#include <ns>
+
+#define START_DISTANCE	32			// The first search distance for finding a free location in the map
+#define MAX_ATTEMPTS		128			// How many times to search in an area for a free space
+#define BLOCKED_MASKS		MASK_PLAYER_STUNNED | MASK_ENSNARED | MASK_ALIEN_EMBRYO
+
+new Float:g_lastcmdtime[33]
+
+public plugin_init() {
+	register_plugin("UnStuck",AMXX_VERSION_STR,"AMXX Dev Team")
+	require_module("engine")
+	require_module("ns")
+	register_cvar("amx_unstuck_frequency", "4.0")
+	register_clcmd("say_team /stuck", "unStuck")
+	register_clcmd("say /stuck", "unStuck")
+	register_clcmd("say_team /unstuck", "unStuck")
+	register_clcmd("say /unstuck", "unStuck")
+}
+
+public unStuck(id) {
+	new Float:minfrequency = get_cvar_float("amx_unstuck_frequency")
+	new Float:elapsedcmdtime = get_gametime() - g_lastcmdtime[id]
+	if ( elapsedcmdtime < minfrequency ) {
+		client_print(id, print_chat, "[UnStuck] You must wait %.1f seconds before retrying", minfrequency - elapsedcmdtime)
+		return PLUGIN_HANDLED
+	}
+	g_lastcmdtime[id] = get_gametime()
+
+	if (ns_get_mask(id, BLOCKED_MASKS)) {
+		client_print(id, print_chat, "[UnStuck] You cannot use unstuck while evolving, stunned or webbed")
+		return PLUGIN_CONTINUE
+	}
+
+	new Float:origin[3], Float:new_origin[3], hullsize, distance
+
+	hullsize = getHullSize(id)
+	if (!hullsize) {
+		return PLUGIN_CONTINUE
+	}
+
+	entity_get_vector(id, EV_VEC_origin, origin)
+	distance = START_DISTANCE
+
+	while( distance < 1000 ) {	// 1000 is just incase, should never get anywhere near that
+		for (new i = 0; i < MAX_ATTEMPTS; ++i) {
+			new_origin[0] = random_float(origin[0]-distance,origin[0]+distance)
+			new_origin[1] = random_float(origin[1]-distance,origin[1]+distance)
+			new_origin[2] = random_float(origin[2]-distance,origin[2]+distance)
+
+			if ( trace_hull(new_origin, hullsize, id) == 0 ) {
+				entity_set_origin(id, new_origin)
+				return PLUGIN_CONTINUE
+			}
+		}
+		distance += START_DISTANCE
+	}
+	client_print(id, print_chat, "[UnStuck] Couldn't find a free spot to move you too.")
+	return PLUGIN_CONTINUE
+}
+
+getHullSize(id) {
+	switch (ns_get_class(id)) {
+		case 1,2,3:
+			return HULL_HEAD
+		case 4,6,7,8:
+			return (entity_get_int(id, EV_INT_flags) & FL_DUCKING) ? HULL_HEAD : HULL_HUMAN
+		case 5:
+			return (entity_get_int(id, EV_INT_flags) & FL_DUCKING) ? HULL_HUMAN : HULL_LARGE
+		default: {
+			client_print(id, print_chat, "[UnStuck] You cannot use UnStuck at this time.")
+			return false
+		}
+	}
+	return false
+}