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#define USING_AMX 0 // 1 = Using AMX \ 0 = Useing AMXX
 
#if USING_AMX
#include <amxmod>
#include <amxmisc>
#include <VexdUM>
#include <fun>
new gModName[32] = "AMX"
#else
#include <amxmodx>
#include <amxmisc>
#include <fun>
#include <engine>
new gModName[32] = "AMXX"
#endif
 
#define TE_BEAMENTPOINT 1
#define TE_KILLBEAM 99
#define DELTA_T 0.1 // seconds
#define BEAMLIFE 100 // deciseconds
#define MOVEACCELERATION 150 // units per second^2
#define REELSPEED 300 // units per second
 
new gHookLocation[33][3]
new gHookLenght[33]
new bool:gIsHooked[33]
new gAllowedHook[33]
new Float:gBeamIsCreated[33]
new global_gravity
new beam
 
public plugin_init() //Called on plugin start
{
	register_plugin("Admin Hook","1.0","AssKicR")
	register_cvar("sv_adminhook", "1" )
 
	register_concmd("amx_granthook","AdminGrantHook",ADMIN_LEVEL_A,"<authid, nick, @team, @all or #userid> <on/off>")
 
	register_clcmd("+rope", "hook_on",ADMIN_LEVEL_E)
	register_clcmd("-rope", "hook_off",ADMIN_LEVEL_E)
	register_clcmd("+hook", "hook_on",ADMIN_LEVEL_E)
	register_clcmd("-hook", "hook_off",ADMIN_LEVEL_E)
 
	register_event("ResetHUD", "ResetHUD", "b")
}
public plugin_precache()
{
	beam = precache_model("sprites/zbeam4.spr")
	precache_sound("weapons/xbow_hit2.wav")
}
public ResetHUD(id) {
	if (gIsHooked[id]) RopeRelease(id)
}
stock kz_velocity_set(id,vel[3]) {
	new Float:Ivel[3]
	Ivel[0]=float(vel[0])
	Ivel[1]=float(vel[1])
	Ivel[2]=float(vel[2])
	entity_set_vector(id, EV_VEC_velocity, Ivel)
}
 
stock kz_velocity_get(id,vel[3]) {
	new Float:Ivel[3]
 
	entity_get_vector(id, EV_VEC_velocity, Ivel)
	vel[0]=floatround(Ivel[0])
	vel[1]=floatround(Ivel[1])
	vel[2]=floatround(Ivel[2])
}
public AdminGrantHook(id,level,cid)
{
	if ( !cmd_access(id,level,cid,1) )
		return PLUGIN_HANDLED
 
	new arg1[32],arg2[32]
	read_argv(1,arg1,31)
	read_argv(2,arg2,31)
	new onoff = str_to_num(arg2)
 
	if ( equali(arg1,"@all") )
	{
		new plist[32],pnum
		get_players(plist,pnum,"a")
		if (pnum==0)
		{
			console_print(id,"[%s] There are no clients",gModName)
			return PLUGIN_HANDLED
		}
		for (new i=0; i<pnum; i++) {
			gAllowedHook[plist[i]]=onoff
			if (gIsHooked[plist[i]]==true && onoff==0)
			{
				RopeRelease(plist[i])
			}
		}
 
		console_print(id,"[%s] %s all players access to hook/rope",gModName,onoff ? "Gave":"Removed")
	}
	else if ( arg1[0]=='@' )
	{
		new plist[32],pnum
		get_players(plist,pnum,"ae",arg1[1])
		if ( pnum==0 )
		{
			console_print(id,"[%s] No clients in such team",gModName)
			return PLUGIN_HANDLED
		}
		for (new i=0; i<pnum; i++) {
			gAllowedHook[plist[i]]=onoff
			if (gIsHooked[plist[i]]==true && onoff==0)
			{
				RopeRelease(plist[i])
			}
		}
		console_print(id,"[%s] %s all %ss access to hook/rope",onoff ? "Gave":"Removed",arg1[1])
	}
	else
	{
		new pName[32]
		new player = cmd_target(id,arg1,6)
		if (!player) return PLUGIN_HANDLED
 
		gAllowedHook[player]=onoff
		if (gAllowedHook[player]==0 && onoff==0)
		{
			RopeRelease(player)
		}
 
 
		get_user_name(player,pName,31)
		console_print(id,"[%s] %s ^"%s^" access to hook/rope",onoff ? "Gave":"Removed",pName)
	}
 
	return PLUGIN_HANDLED
}
public ropetask(parm[])
{
	new id = parm[0]
	new user_origin[3], user_look[3], user_direction[3], move_direction[3]
	new A[3], D[3], buttonadjust[3]
	new acceleration, velocity_towards_A, desired_velocity_towards_A
	new velocity[3], null[3]
 
	if (!is_user_alive(id))
	{
		RopeRelease(id)
		return
	}
 
	if (gBeamIsCreated[id] + BEAMLIFE/10 <= get_gametime())
	{
		beamentpoint(id)
	}
 
	null[0] = 0
	null[1] = 0
	null[2] = 0
 
	get_user_origin(id, user_origin)
	get_user_origin(id, user_look,2)
	kz_velocity_get(id, velocity)
 
	buttonadjust[0]=0
	buttonadjust[1]=0
 
	if (get_user_button(id)&IN_FORWARD)	buttonadjust[0]+=1
	if (get_user_button(id)&IN_BACK)	buttonadjust[0]-=1
	if (get_user_button(id)&IN_MOVERIGHT)	buttonadjust[1]+=1
	if (get_user_button(id)&IN_MOVELEFT)	buttonadjust[1]-=1
	if (get_user_button(id)&IN_JUMP)	buttonadjust[2]+=1
	if (get_user_button(id)&IN_DUCK)	buttonadjust[2]-=1
 
	if (buttonadjust[0] || buttonadjust[1])
	{
		user_direction[0] = user_look[0] - user_origin[0]
		user_direction[1] = user_look[1] - user_origin[1]
 
		move_direction[0] = buttonadjust[0]*user_direction[0] + user_direction[1]*buttonadjust[1]
		move_direction[1] = buttonadjust[0]*user_direction[1] - user_direction[0]*buttonadjust[1]
		move_direction[2] = 0
 
		velocity[0] += floatround(move_direction[0] * MOVEACCELERATION * DELTA_T / get_distance(null,move_direction))
		velocity[1] += floatround(move_direction[1] * MOVEACCELERATION * DELTA_T / get_distance(null,move_direction))
	}
 
	if (buttonadjust[2])	gHookLenght[id] -= floatround(buttonadjust[2] * REELSPEED * DELTA_T)
	if (gHookLenght[id] < 100) gHookLenght[id] = 100
 
	A[0] = gHookLocation[id][0] - user_origin[0]
	A[1] = gHookLocation[id][1] - user_origin[1]
	A[2] = gHookLocation[id][2] - user_origin[2]
 
	D[0] = A[0]*A[2] / get_distance(null,A)
	D[1] = A[1]*A[2] / get_distance(null,A)
	D[2] = -(A[1]*A[1] + A[0]*A[0]) / get_distance(null,A)
 
	acceleration = - global_gravity * D[2] / get_distance(null,D)
 
	velocity_towards_A = (velocity[0] * A[0] + velocity[1] * A[1] + velocity[2] * A[2]) / get_distance(null,A)
	desired_velocity_towards_A = (get_distance(user_origin,gHookLocation[id]) - gHookLenght[id] /*- 10*/) * 4
 
	if (get_distance(null,D)>10)
	{
		velocity[0] += floatround((acceleration * DELTA_T * D[0]) / get_distance(null,D))
		velocity[1] += floatround((acceleration * DELTA_T * D[1]) / get_distance(null,D))
		velocity[2] += floatround((acceleration * DELTA_T * D[2]) / get_distance(null,D))
	}
 
	velocity[0] += ((desired_velocity_towards_A - velocity_towards_A) * A[0]) / get_distance(null,A)
	velocity[1] += ((desired_velocity_towards_A - velocity_towards_A) * A[1]) / get_distance(null,A)
	velocity[2] += ((desired_velocity_towards_A - velocity_towards_A) * A[2]) / get_distance(null,A)
 
	kz_velocity_set(id, velocity)
}
 
public hooktask(parm[])
{
	new id = parm[0]
	new velocity[3]
 
	if ( !gIsHooked[id] ) return
 
	new user_origin[3],oldvelocity[3]
	parm[0] = id
 
	if (!is_user_alive(id))
	{
		RopeRelease(id)
		return
	}
 
	if (gBeamIsCreated[id] + BEAMLIFE/10 <= get_gametime())
	{
		beamentpoint(id)
	}
 
	get_user_origin(id, user_origin)
	kz_velocity_get(id, oldvelocity)
	new distance=get_distance( gHookLocation[id], user_origin )
	if ( distance > 10 )
	{
		velocity[0] = floatround( (gHookLocation[id][0] - user_origin[0]) * ( 2.0 * REELSPEED / distance ) )
		velocity[1] = floatround( (gHookLocation[id][1] - user_origin[1]) * ( 2.0 * REELSPEED / distance ) )
		velocity[2] = floatround( (gHookLocation[id][2] - user_origin[2]) * ( 2.0 * REELSPEED / distance ) )
	}
	else
	{
		velocity[0]=0
		velocity[1]=0
		velocity[2]=0
	}
 
	kz_velocity_set(id, velocity)
 
}
 
public hook_on(id)
{
	if (get_cvar_num("sv_adminhook")==1)
	{
		if (gAllowedHook[id] || (get_user_flags(id)&ADMIN_LEVEL_E)) {
			if (!gIsHooked[id] && is_user_alive(id))
			{
				new cmd[32]
				read_argv(0,cmd,31)
				if(equal(cmd,"+rope")) RopeAttach(id,0)
				if(equal(cmd,"+hook")) RopeAttach(id,1)
			}
			}else{
			client_print(id,print_chat,"[%s] Nincs elerhetoseged hozza",gModName)
			return PLUGIN_HANDLED
		}
		}else{
		client_print(id,print_chat,"[%s] Ez a parancs ki van kapcsolva",gModName)
	}
	return PLUGIN_HANDLED
}
 
public hook_off(id)
{
	if (gAllowedHook[id] || (get_user_flags(id)&ADMIN_LEVEL_E)) {
		if (gIsHooked[id])
		{
			RopeRelease(id)
		}
		}else{
		client_print(id,print_chat,"[%s] Nincs elerhetoseged hozza",gModName)
		return PLUGIN_HANDLED
	}
	return PLUGIN_HANDLED
}
 
public RopeAttach(id,hook)
{
	new parm[1], user_origin[3]
	parm[0] = id
	gIsHooked[id] = true
	get_user_origin(id,user_origin)
	get_user_origin(id,gHookLocation[id], 3)
	gHookLenght[id] = get_distance(gHookLocation[id],user_origin)
	global_gravity = get_cvar_num("sv_gravity")
	set_user_gravity(id,0.001)
	beamentpoint(id)
	if (hook) set_task(DELTA_T, "hooktask", 200+id, parm, 1, "b")
	else set_task(DELTA_T, "ropetask", 200+id, parm, 1, "b")
}
 
public RopeRelease(id)
{
	gIsHooked[id] = false
	killbeam(id)
	set_user_gravity(id)
	remove_task(200+id)
}
 
public beamentpoint(id)
{
	message_begin( MSG_BROADCAST, SVC_TEMPENTITY )
	write_byte( TE_BEAMENTPOINT )
	write_short( id )
	write_coord( gHookLocation[id][0] )
	write_coord( gHookLocation[id][1] )
	write_coord( gHookLocation[id][2] )
	write_short( beam )	// sprite index
	write_byte( 0 )	// start frame
	write_byte( 0 )	// framerate
	write_byte( BEAMLIFE )	// life
	write_byte( 10 )	// width
	write_byte( 0 )	// noise
	if (get_user_team(id)==1)	// Terrorist
	{
		new r = random(256)
		new g = random(256)
		new b = random(256)
 
		write_byte( r )	// r, g, b
		write_byte( g )	// r, g, b
		write_byte( b )	// r, g, b
	}
	else	// Counter-Terrorist
	{
		new r = random(256)
		new g = random(256)
		new b = random(256)
 
		write_byte( r )	// r, g, b
		write_byte( g )	// r, g, b
		write_byte( b )	// r, g, b
	}
	write_byte( 150 )	// brightness
	write_byte( 0 )	// speed
	message_end( )
	gBeamIsCreated[id] = get_gametime()
}
 
public killbeam(id)
{
	message_begin( MSG_BROADCAST, SVC_TEMPENTITY )
	write_byte( TE_KILLBEAM )
	write_short( id )
	message_end()
}
public client_disconnect(id) {
	gAllowedHook[id]=0
}
#if USING_AMX
stock get_user_button(id) return entity_get_int(id, EV_INT_button)
#endif