#include <amxmodx>
#include <amxmisc>
#include <codmod>
#include <fakemeta>
#include <fakemeta_util>
#include <engine>
#include <hamsandwich>
#include <cstrike>
#include <xs>
#include <fun>

#define MAX_DIST 8192.0
#define MAX 32
        
new const nazwa[]   = "Gunner [Premium]";
new const opis[]    = "";
new const bronie    = (1<<CSW_XM1014)|(1<<CSW_P90);
new const zdrowie   = 0;
new const kondycja  = 0;
new const inteligencja = 0;
new const wytrzymalosc = 0;
new const frakcja[] = "Klasy [Premium]";
    
#define SENTRY_THINK 0.3

#define OFFSET_WPN_LINUX  4
#define OFFSET_WPN_WIN 	  41

#define fm_point_contents(%1) engfunc(EngFunc_PointContents, %1)

#define fm_DispatchSpawn(%1) dllfunc(DLLFunc_Spawn, %1)

new bool:ma_dzialko[33];
new gMenuDzialko[33]

new g_maxplayers;

new mdl_gib_build1
new mdl_gib_build2
new mdl_gib_build3
new mdl_gib_build4

static const Nazwy_broni[][] = {
	"", "weapon_p228", "", "weapon_scout", "weapon_hegrenade", "weapon_xm1014", "weapon_c4", "weapon_mac10",
	"weapon_aug", "weapon_smokegrenade", "weapon_elite", "weapon_fiveseven", "weapon_ump45", "weapon_sg550",
	"weapon_galil", "weapon_famas", "weapon_usp", "weapon_glock18", "weapon_awp", "weapon_mp5navy", "weapon_m249",
	"weapon_m3", "weapon_m4a1", "weapon_tmp", "weapon_g3sg1", "weapon_flashbang", "weapon_deagle", "weapon_sg552",
	"weapon_ak47", "weapon_knife", "weapon_p90" }

new pcvarPercent,pcvarHealth,pcvarDamage;

new ma_klase[33];

new bool:sentrys[MAX+1];

new ilosc[33];

new ZmienKilla[2];

public plugin_init()
{
	register_plugin(nazwa, "1.0", "amxx.pl");

	cod_register_class(nazwa, opis, bronie, zdrowie, kondycja, inteligencja, wytrzymalosc, frakcja);
   
	register_event("HLTV", "NowaRunda_Dzialko", "a", "1=0", "2=0");
	register_event("HLTV", "NowaRunda", "a", "1=0", "2=0");

	register_message(get_user_msgid("DeathMsg"), "message_DeathMsg")

	RegisterHam(Ham_Spawn, "player", "DajNoweDzialko", 1);
	RegisterHam(Ham_Spawn, "player", "Spawn", 1)
	RegisterHam(Ham_TakeDamage, "func_breakable", "fwHamTakeDamage_Dzialko" );
	RegisterHam(Ham_TakeDamage, "func_breakable", "TakeDamage");
	RegisterHam(Ham_TraceAttack, "func_breakable", "fw_TraceAttack_Building")

	for (new i = 1; i < sizeof Nazwy_broni; i++)
	{
		if (Nazwy_broni[i][0]) RegisterHam(Ham_Item_Deploy, Nazwy_broni[i], "ham_ItemDeploy_Post", 1)
	}

	register_think("sentry_shot","sentry_shot")
	register_think("sentryG","SentryThink");

	g_maxplayers = get_maxplayers();

	pcvarPercent = register_cvar("inzynier_percent","4")
	pcvarHealth = register_cvar("inzynier_health","600")
	pcvarDamage = register_cvar("inzynier_damage","15.0");

	register_cvar("zycie_sentry", "2500");
	register_cvar("usun_sentry", "1");
}

public plugin_precache()
{
	precache_sound("sentry_shoot.wav");
	precache_sound("debris/bustmetal1.wav");
	precache_sound("debris/bustmetal2.wav");
	precache_sound("mw/firemw.wav");
	precache_sound("mw/plant.wav");
	precache_sound("mw/sentrygun_starts.wav");
	precache_sound("mw/sentrygun_stops.wav");
	precache_sound("mw/sentrygun_gone.wav");
	precache_sound("mw/sentrygun_friend.wav");
	precache_sound("mw/sentrygun_enemy.wav");
	
	precache_model("models/v_tfc_spanner.mdl")
	precache_model("models/base2.mdl")
	precache_model("models/sentry2.mdl")
	precache_model("models/sentrygun_mw2.mdl");
	
	mdl_gib_build1 = engfunc(EngFunc_PrecacheModel,"models/mbarrel.mdl")
	mdl_gib_build2 = engfunc(EngFunc_PrecacheModel,"models/computergibs.mdl")
	mdl_gib_build3 = engfunc(EngFunc_PrecacheModel,"models/metalplategibs.mdl")
	mdl_gib_build4 = engfunc(EngFunc_PrecacheModel,"models/cindergibs.mdl")
	
}

public cod_class_enabled(id)
{
	if(!(get_user_flags(id) & ADMIN_LEVEL_G))
	{
		client_print(id, print_chat, "Nie masz uprawnien, aby uzywac tej klasy.")
		return COD_STOP;
	}
	ilosc[id] = 1;
	ma_dzialko[id] = true;
	ma_klase[id] = true;
   
	return COD_CONTINUE;
}

public cod_class_disabled(id)
{
	ilosc[id] = 0;
	ma_klase[id] = false;
}

public fwHamTakeDamage_Dzialko( this, idinflictor, idattacker, Float:damage, damagebits ) {
	static classname[ 20 ];
	pev( this, pev_classname, classname, 19 );
	
	if( ( equal( classname, "sentry_shot" ) || equal( classname, "sentry_base" ) ) && is_user_connected( idattacker ) && get_user_team(pev(this,pev_iuser1)) == get_user_team(idattacker) ){
		return HAM_SUPERCEDE;
	}
	return HAM_IGNORED;
	
}

public NowaRunda_Dzialko()
{
	remove_entity_name("sentry_base")
	remove_entity_name("sentry_shot")
}

public OpcjeDzialka(id)
{
	new menu,newmenu,menupage
	player_menu_info(id,menu,newmenu,menupage);
	if(menu > 0 || newmenu != -1)
	{
		return PLUGIN_CONTINUE;
	}
	
	gMenuDzialko[id] = menu_create("Dzialo", "OpcjeDziala_Handle");
	menu_additem(gMenuDzialko[id],"Postaw dzialo");
	menu_additem(gMenuDzialko[id],"Zniszcz dzialo");
	
	menu_setprop(gMenuDzialko[id],MPROP_NUMBER_COLOR,"r")
	menu_display(id,gMenuDzialko[id]);
	return PLUGIN_CONTINUE;
}

public OpcjeDziala_Handle(id,menu,item)
{
	if(item == MENU_EXIT || !is_user_alive(id))
	{
		menu_destroy(menu);
		return PLUGIN_CONTINUE;
	}
	switch(item)
	{
		case 0:
		{
			if(ma_klase[id] && ma_dzialko[id])
			{
				new Float:Origin[3]
				pev(id, pev_origin, Origin)
				new Float:vNewOrigin[3]
				new Float:vTraceDirection[3]
				new Float:vTraceEnd[3]
				new Float:vTraceResult[3]
				velocity_by_aim(id, 64, vTraceDirection) // get a velocity in the directino player is aiming, with a multiplier of 64...
				vTraceEnd[0] = vTraceDirection[0] + Origin[0]
				vTraceEnd[1] = vTraceDirection[1] + Origin[1]
				vTraceEnd[2] = vTraceDirection[2] + Origin[2]
				fm_trace_line(id, Origin, vTraceEnd, vTraceResult)
				vNewOrigin[0] = vTraceResult[0]
				vNewOrigin[1] = vTraceResult[1]
				vNewOrigin[2] = Origin[2]
				if(!(StawDzialo(vNewOrigin,id)))
				{
					client_print(id, print_center, "Nie mozesz tu postawic dziala!")
				}
				else
				{
					ma_dzialko[id] = false;
				}
			}
		}
		case 1:
		{
			new iEnt = -1;
			while((iEnt = find_ent_by_class(iEnt,"sentry_shot")) != 0)
			{
				if(pev_valid(iEnt) && pev(iEnt,pev_iuser1) == id)
				{
					FX_Demolish(iEnt)
					remove_entity(iEnt);
				}
			}
			iEnt = -1;
			while((iEnt = find_ent_by_class(iEnt,"sentry_base")) != 0)
			{
				if(pev_valid(iEnt) && pev(iEnt,pev_iuser1) == id)
				{
					FX_Demolish(iEnt)
					remove_entity(iEnt);
				}
			}
		}
	}
	menu_destroy(menu);
	return PLUGIN_CONTINUE;
}

public bool:StawDzialo(Float:origin[3],id)
{
	if (fm_point_contents(origin) != CONTENTS_EMPTY || is_hull_default(origin, 32.0))
	{
		return false
	}
	new Float:hitPoint[3], Float:originDown[3]
	originDown = origin
	originDown[2] = -5000.0
	fm_trace_line(0, origin, originDown, hitPoint)
	new Float:DistanceFromGround = vector_distance(origin, hitPoint)
	
	new Float:difference = 36.0 - DistanceFromGround
	if (difference < -1 * 10.0 || difference > 10.0) return false
	
	new sentry_base = engfunc(EngFunc_CreateNamedEntity,engfunc(EngFunc_AllocString,"func_breakable"))
	if (!sentry_base){
		return false
	}	
	set_pev(sentry_base, pev_classname, "sentry_base")
	
	engfunc(EngFunc_SetModel, sentry_base, "models/base2.mdl")
	engfunc(EngFunc_SetSize, sentry_base, {-16.0, -16.0, 0.0}, {16.0, 16.0, 25.0})
	engfunc(EngFunc_SetOrigin, sentry_base, origin)
	new Float:fAngle[3];
	pev(id, pev_v_angle, fAngle)
	fAngle[0] = 0.0
	fAngle[1] += 180.0
	fAngle[2] = 0.0
	set_pev(sentry_base, pev_angles, fAngle)
	set_pev(sentry_base, pev_solid, SOLID_BBOX)
	set_pev(sentry_base, pev_movetype, MOVETYPE_TOSS)
	set_pev(sentry_base, pev_iuser1, id)
	set_pev(sentry_base, pev_iuser2, 0)
	set_pev(sentry_base, pev_iuser3, 0)
	
	return true;
}

public ham_ItemDeploy_Post(weapon_ent)
{
	static owner
	owner = get_pdata_cbase(weapon_ent, OFFSET_WPN_WIN, OFFSET_WPN_LINUX);
	
	static weaponid
	weaponid = cs_get_weapon_id(weapon_ent)
	
	if(!is_user_alive(owner))
	{
		return HAM_IGNORED;
	}
	
	static menu,newmenu,menupage
	player_menu_info(owner,menu,newmenu,menupage);
	
	if(gMenuDzialko[owner] && newmenu == gMenuDzialko[owner])
	{
		show_menu(owner,0,"^n");
		gMenuDzialko[owner] = 0;
	}
	
	if(weaponid == CSW_KNIFE && ma_klase[owner])
	{
		entity_set_string(owner, EV_SZ_viewmodel, "models/v_tfc_spanner.mdl")
		OpcjeDzialka(owner);
	}
	return HAM_IGNORED;
}

	
stock FX_Demolish(build)
{
	if(!pev_valid(build)) return;
	
	new Float:forigin[3],iorigin[3],i
	pev(build, pev_origin, forigin)
	FVecIVec(forigin,iorigin)
		
	for(i = 1;i <= 1;i++)
	{
		message_begin(MSG_BROADCAST,SVC_TEMPENTITY)
		write_byte(TE_MODEL)
		write_coord(iorigin[0])
		write_coord(iorigin[1])
		write_coord(iorigin[2])
		write_coord(random_num(-150,150))
		write_coord(random_num(-150,150))
		write_coord(random_num(150,350))
		write_angle(random_num(0,360))
		write_short(mdl_gib_build1)
		write_byte(0) // bounce
		write_byte(10) // life
		message_end()
	}
	for(i = 1;i <= 1;i++)
	{
		message_begin(MSG_BROADCAST,SVC_TEMPENTITY)
		write_byte(TE_MODEL)
		write_coord(iorigin[0])
		write_coord(iorigin[1])
		write_coord(iorigin[2])
		write_coord(random_num(-150,150))
		write_coord(random_num(-150,150))
		write_coord(random_num(150,350))
		write_angle(random_num(0,360))
		write_short(mdl_gib_build2)
		write_byte(0) // bounce
		write_byte(10) // life
		message_end()
	}
	for(i = 1;i <= 1;i++)
	{
		message_begin(MSG_BROADCAST,SVC_TEMPENTITY)
		write_byte(TE_MODEL)
		write_coord(iorigin[0])
		write_coord(iorigin[1])
		write_coord(iorigin[2])
		write_coord(random_num(-150,150))
		write_coord(random_num(-150,150))
		write_coord(random_num(150,350))
		write_angle(random_num(0,360))
		write_short(mdl_gib_build3)
		write_byte(0) // bounce
		write_byte(10) // life
		message_end()
	}
	for(i = 1;i <= 1;i++)
	{
		message_begin(MSG_BROADCAST,SVC_TEMPENTITY)
		write_byte(TE_MODEL)
		write_coord(iorigin[0])
		write_coord(iorigin[1])
		write_coord(iorigin[2])
		write_coord(random_num(-150,150))
		write_coord(random_num(-150,150))
		write_coord(random_num(150,350))
		write_angle(random_num(0,360))
		write_short(mdl_gib_build4)
		write_byte(0) // bounce
		write_byte(10) // life
		message_end()
	}
}




public DajNoweDzialko(id)
{
	if(!is_user_connected(id) || !is_user_alive(id))
		return PLUGIN_CONTINUE;
		
	if(ma_klase[id])
	{
		ma_dzialko[id] = true;
	}
	return PLUGIN_CONTINUE;
}

set_animation(id, anim) {
	set_pev(id, pev_weaponanim, anim)
	
	message_begin(MSG_ONE, SVC_WEAPONANIM, {0, 0, 0}, id)
	write_byte(anim)
	write_byte(pev(id, pev_body))
	message_end()
}

public fw_TraceAttack_Building(id, enemy, Float:damage, Float:direction[3], tracehandle, damagetype){
	if (!(1 <= enemy <= g_maxplayers) || get_user_weapon(enemy) != CSW_KNIFE || !is_user_alive(enemy))
	{
		return HAM_IGNORED
	}
	new classname[24]
	pev(id, pev_classname, classname, sizeof classname - 1)
	new weapon = get_user_weapon(enemy)
	if(weapon == CSW_KNIFE && ma_klase[enemy] && pev(id,pev_iuser1) == enemy && equal(classname,"sentry_base") && pev(id,pev_iuser2) < 100){
		set_pev(id,pev_iuser2,pev(id,pev_iuser2)+get_pcvar_num(pcvarPercent) > 100 ? 100 : pev(id,pev_iuser2)+get_pcvar_num(pcvarPercent));
		set_animation(enemy,8);
		if(pev(id,pev_iuser2) >= 100 && !pev(id,pev_iuser3)){
			client_print(enemy,print_center,"%d %%",pev(id,pev_iuser2))
			set_pev(id,pev_iuser3,stawdzialo2(id));
		}
		else
		{
			client_print(enemy,print_center,"%d %%",pev(id,pev_iuser2))
		}
		
	}
	return HAM_IGNORED
}


public stawdzialo2(ent)
{
	new Float:origin[3];
	pev(ent,pev_origin,origin);
	new sentry_shot2 = engfunc(EngFunc_CreateNamedEntity,engfunc(EngFunc_AllocString,"func_breakable"))
	if (!sentry_shot2)
	{
		return 0
	}	
	new szHealth[16]
	get_pcvar_string(pcvarHealth,szHealth,charsmax(szHealth))
	
	fm_set_kvd(sentry_shot2, "health", szHealth, "func_breakable")
	fm_set_kvd(sentry_shot2, "material", "6", "func_breakable")
	fm_DispatchSpawn(sentry_shot2)
	
	set_pev(sentry_shot2, pev_classname, "sentry_shot")
	
	engfunc(EngFunc_SetModel, sentry_shot2, "models/sentry2.mdl")
	engfunc(EngFunc_SetSize, sentry_shot2, {-16.0, -16.0, 0.0}, {16.0, 16.0, 20.0})
	origin[2] += 25.0;
	engfunc(EngFunc_SetOrigin, sentry_shot2, origin)
	new Float:fAngle[3];
	pev(pev(ent,pev_iuser1), pev_v_angle, fAngle)
	fAngle[0] = 0.0
	fAngle[1] += 180.0
	fAngle[2] = 0.0
	set_pev(sentry_shot2, pev_angles, fAngle)
	set_pev(sentry_shot2, pev_solid, SOLID_BBOX)
	set_pev(sentry_shot2, pev_movetype, MOVETYPE_TOSS)
	set_pev(sentry_shot2, pev_iuser1, pev(ent,pev_iuser1))
	set_pev(sentry_shot2, pev_iuser2, ent)
	
	set_pev( sentry_shot2, pev_sequence, 0 );
	set_pev( sentry_shot2, pev_animtime, get_gametime() );
	set_pev( sentry_shot2, pev_framerate, 1.0 );
	
	set_pev(sentry_shot2, pev_nextthink, get_gametime() + SENTRY_THINK)
	return sentry_shot2;
}

public sentry_find_player(ent)
{
	new Float:fOrigin[3],Float:fOrigin2[3],Float:distance = 999999.0,Float:hitOrigin[3],iCloseId = 0,iOwner = 0;
	iOwner = pev(ent,pev_iuser1)
	pev(ent,pev_origin,fOrigin)
	for(new i = 1;i<33;i++)
	{
		if(!is_user_alive(i) || get_user_team(i) == get_user_team(iOwner))
		{
			continue;
		}
		pev(i, pev_origin, fOrigin2)
		new hitent = fm_trace_line(ent, fOrigin, fOrigin2, hitOrigin)
		if(distance > vector_distance(fOrigin,fOrigin2) && hitent == i)
		{
			distance = vector_distance(fOrigin,fOrigin2)
			iCloseId = i;
		}
	}
	return iCloseId;
}

public sentry_shot(ent)
{
	if(!pev_valid(ent))
	{
		return PLUGIN_CONTINUE;
	}
	if(entity_get_float(ent,EV_FL_health) <= 0.0)
	{
		if(pev_valid(pev(ent,pev_iuser2)))
		{
			remove_entity(pev(ent,pev_iuser2));
		}
		remove_entity(ent);
		return PLUGIN_CONTINUE;
	}
	new iFind = 0;
	if((iFind = sentry_find_player(ent)))
	{
		remove_task(ent+45676);
		turntotarget(ent,iFind);
		sentry_shot3(ent,iFind);
		set_task(0.5,"stop_anim",ent+45676)
	}
	set_pev(ent, pev_nextthink, get_gametime() + SENTRY_THINK)
	return PLUGIN_CONTINUE;
}

public sentry_shot3(ent,target)
{
	new Float:sentryOrigin[3], Float:targetOrigin[3], Float:hitOrigin[3]
	pev(ent, pev_origin, sentryOrigin)
	sentryOrigin[2] += 18.0
	pev(target, pev_origin, targetOrigin)
	targetOrigin[0] += random_float(-16.0, 16.0)
	targetOrigin[1] += random_float(-16.0, 16.0)
	targetOrigin[2] += random_float(-16.0, 16.0)
	new hit = fm_trace_line(ent, sentryOrigin, targetOrigin, hitOrigin)
	if(hit == target)
	{
		knockback_explode(target, sentryOrigin, 5.0)
		ExecuteHam(Ham_TakeDamage, target, 0, pev(ent,pev_iuser1),get_pcvar_float(pcvarDamage) , 1);
		set_pev( ent, pev_sequence, 1 );
		set_pev( ent, pev_animtime, get_gametime() );
		set_pev( ent, pev_framerate, 1.0 );
	}
	FX_Trace(sentryOrigin, hitOrigin)
	engfunc(EngFunc_EmitSound, ent, CHAN_STATIC, "sentry_shoot.wav", 1.0, ATTN_NORM, 0, PITCH_NORM)
}

public stop_anim(ent){
	ent -= 45676;
	if(pev_valid(ent)){
		set_pev( ent, pev_sequence, 0 );
		set_pev(ent, pev_animtime, get_gametime() );
		set_pev( ent, pev_framerate, 1.0 );
	}
}

public knockback_explode(id, const Float:exp_origin[3], Float:force)
{
	if(!is_user_alive(id)) return
	
	if(force == 0.0) return
	
	new Float:old_velocity[3], Float:velocity[3], Float:id_origin[3], Float:output[3]
	pev(id, pev_origin, id_origin);
	get_speed_vector(exp_origin, id_origin, force, velocity);
	pev(id, pev_velocity, old_velocity);
	xs_vec_add(velocity, old_velocity, output)
	set_pev(id, pev_velocity, output)
}

public turntotarget(ent, target)
{
	if (target)
	{
		new Float:closestOrigin[3],Float:sentryOrigin[3]
		pev(target, pev_origin, closestOrigin)
		pev(ent, pev_origin, sentryOrigin)
		new Float:newAngle[3]
		pev(ent, pev_angles, newAngle)
		new Float:x = closestOrigin[0] - sentryOrigin[0]
		new Float:z = closestOrigin[1] - sentryOrigin[1]
		
		new Float:radians = floatatan(z/x, radian)
		newAngle[1] = radians * 180.0 / 3.14159
		if (closestOrigin[0] < sentryOrigin[0])
		newAngle[1] -= 180.0
		
		new Float:h = closestOrigin[2] - sentryOrigin[2]
		new Float:b = vector_distance(sentryOrigin, closestOrigin)
		radians = floatatan(h/b, radian)
		new Float:degs = radians * 180.0 / 3.14159
		new Float:RADIUS = 830.0
		new Float:degreeByte = RADIUS/256.0
		new Float:tilt = 127.0 - degreeByte * degs
		set_pev(ent, pev_angles, newAngle)
		set_pev(ent, pev_controller_1, floatround(tilt))
	}
}

stock FX_Trace(const Float:idorigin[3], const Float:targetorigin[3])
{
	new id[3],target[3]
	FVecIVec(idorigin,id)
	FVecIVec(targetorigin,target)
	message_begin(MSG_BROADCAST, SVC_TEMPENTITY)
	write_byte(6)//TE_TRACER
	write_coord(id[0])
	write_coord(id[1])
	write_coord(id[2])
	write_coord(target[0])
	write_coord(target[1])
	write_coord(target[2])
	message_end()
}

stock bool:is_hull_default(Float:origin[3], const Float:BOUNDS){
	new Float:traceEnds[8][3], Float:traceHit[3], hitEnt
	traceEnds[0][0] = origin[0] - BOUNDS
	traceEnds[0][1] = origin[1] - BOUNDS
	traceEnds[0][2] = origin[2] - BOUNDS
	
	traceEnds[1][0] = origin[0] - BOUNDS
	traceEnds[1][1] = origin[1] - BOUNDS
	traceEnds[1][2] = origin[2] + BOUNDS
	
	traceEnds[2][0] = origin[0] + BOUNDS
	traceEnds[2][1] = origin[1] - BOUNDS
	traceEnds[2][2] = origin[2] + BOUNDS
	
	traceEnds[3][0] = origin[0] + BOUNDS
	traceEnds[3][1] = origin[1] - BOUNDS
	traceEnds[3][2] = origin[2] - BOUNDS
	
	traceEnds[4][0] = origin[0] - BOUNDS
	traceEnds[4][1] = origin[1] + BOUNDS
	traceEnds[4][2] = origin[2] - BOUNDS
	
	traceEnds[5][0] = origin[0] - BOUNDS
	traceEnds[5][1] = origin[1] + BOUNDS
	traceEnds[5][2] = origin[2] + BOUNDS
	
	traceEnds[6][0] = origin[0] + BOUNDS
	traceEnds[6][1] = origin[1] + BOUNDS
	traceEnds[6][2] = origin[2] + BOUNDS
	
	traceEnds[7][0] = origin[0] + BOUNDS
	traceEnds[7][1] = origin[1] + BOUNDS
	traceEnds[7][2] = origin[2] - BOUNDS
	
	for (new i = 0; i < 8; i++) {
		if (fm_point_contents(traceEnds[i]) != CONTENTS_EMPTY)
		return true
		
		hitEnt = fm_trace_line(0, origin, traceEnds[i], traceHit)
		if (hitEnt != 0)
		return true
		for (new j = 0; j < 3; j++)
		if (traceEnds[i][j] != traceHit[j])
		return true
	}
	return false
}

stock get_speed_vector(const Float:origin1[3], const Float:origin2[3], Float:force, Float:new_velocity[3])
{
	new_velocity[0] = origin2[0] - origin1[0]
	new_velocity[1] = origin2[1] - origin1[1]
	new_velocity[2] = origin2[2] - origin1[2]
	new Float:num = floatsqroot(force*force / (new_velocity[0]*new_velocity[0] + new_velocity[1]*new_velocity[1] + new_velocity[2]*new_velocity[2]))
	new_velocity[0] *= num
	new_velocity[1] *= num
	new_velocity[2] *= num
	
	return 1;
}

public NowaRunda()
{
	new num, players[32];
	get_players(players, num, "gh");
	for(new i = 0; i < num; i++)
	{
		if(task_exists(players[i]+997))
			remove_task(players[i]+997);
	}
	
	if(get_cvar_num("usun_sentry"))
		remove_entity_name("sentryG")
}

public client_disconnect(id)
{
	new ent = -1
	while((ent = find_ent_by_class(ent, "sentryG")))
	{
		if(entity_get_int(ent, EV_INT_iuser2) == id)
			remove_entity(ent);
	}
	return PLUGIN_CONTINUE;
}

public message_DeathMsg()
{
	new killer = get_msg_arg_int(1);
	if(ZmienKilla[1] & (1<<killer))
	{
		set_msg_arg_string(4, "m249");
		return PLUGIN_CONTINUE;
	}
	return PLUGIN_CONTINUE;
}

public Spawn(id)
{
	if(!is_user_alive(id) || !is_user_connected(id))
		return PLUGIN_CONTINUE;
	
	if(ma_klase[id])
		ilosc[id] = 1;
	
	return PLUGIN_CONTINUE;
}

public cod_class_skill_used(id)
{
	if(!ilosc[id])
	{
		client_print(id, print_center, "Masz tylko jednego Sentry na runde!");
		return PLUGIN_CONTINUE;
	}
	else
	{
		if (is_user_alive(id))
		{
			
			ilosc[id]--;
			
			CreateSentry(id);
		}
	}
	return PLUGIN_CONTINUE;
}

public CreateSentry(id) 
{
	if(!(entity_get_int(id, EV_INT_flags) & FL_ONGROUND)) 
		return;
	
	new entlist[3];
	if(find_sphere_class(id, "func_bomb_target", 650.0, entlist, 2))
	{
		client_print(id, print_chat, "Jestes zbyt blisko BS'A");
		return;
	}
	if(find_sphere_class(id, "func_buyzone", 650.0, entlist, 2))
	{
		client_print(id, print_chat, "Jestes zbyt blisko Respa");
		return;
	}
	new num, players[32], Float:Origin[3];
	get_players(players, num, "gh");
	for(new a = 0; a < num; a++)
	{
		new i = players[a];
		if(get_user_team(id) != get_user_team(i))
			client_cmd(i, "spk sound/mw/sentrygun_enemy.wav");
		else
			client_cmd(i, "spk sound/mw/sentrygun_friend.wav");
	}
	print_info(id, "Sentry Gun");
	
	entity_get_vector(id, EV_VEC_origin, Origin);
	Origin[2] += 45.0;
	
	new health[12], ent = create_entity("func_breakable");
	get_cvar_string("zycie_sentry",health, charsmax(health));
	
	DispatchKeyValue(ent, "health", health);
	DispatchKeyValue(ent, "material", "6");
	
	entity_set_string(ent, EV_SZ_classname, "sentryG");
	entity_set_model(ent, "models/sentrygun_mw2.mdl");
	
	entity_set_float(ent, EV_FL_takedamage, DAMAGE_YES);
	
	entity_set_size(ent, Float:{-16.0, -16.0, 0.0}, Float:{16.0, 16.0, 48.0});
	
	entity_set_origin(ent, Origin);
	entity_set_int(ent, EV_INT_solid, SOLID_SLIDEBOX);
	entity_set_int(ent, EV_INT_movetype, MOVETYPE_TOSS);
	entity_set_int(ent, EV_INT_iuser2, id);
	entity_set_vector(ent, EV_VEC_angles, Float:{0.0, 0.0, 0.0});
	entity_set_byte(ent, EV_BYTE_controller2, 127);
	
	entity_set_float(ent, EV_FL_nextthink, get_gametime()+1.0);
	
	sentrys[id] = false;
	emit_sound(ent, CHAN_ITEM, "mw/plant.wav", 1.0, ATTN_NORM, 0, PITCH_NORM);
}

public SentryThink(ent)
{
	if(!is_valid_ent(ent)) 
		return PLUGIN_CONTINUE;
	
	new Float:SentryOrigin[3], Float:closestOrigin[3];
	entity_get_vector(ent, EV_VEC_origin, SentryOrigin);
	
	new id = entity_get_int(ent, EV_INT_iuser2);
	new target = entity_get_edict(ent, EV_ENT_euser1);
	new firemods = entity_get_int(ent, EV_INT_iuser1);
	
	if(firemods)
	{ 
		if(/*ExecuteHam(Ham_FVisible, target, ent)*/fm_is_ent_visible(target, ent) && is_user_alive(target)) 
		{
			if(UTIL_In_FOV(target,ent))
			{
				goto fireoff;
			}
			
			new Float:TargetOrigin[3];
			entity_get_vector(target, EV_VEC_origin, TargetOrigin);
			
			emit_sound(ent, CHAN_AUTO, "mw/firemw.wav", 1.0, ATTN_NORM, 0, PITCH_NORM);
			sentry_turntotarget(ent, SentryOrigin, TargetOrigin);
			
			new Float:hitRatio = random_float(0.0, 1.0) - 0.2;
			if(hitRatio <= 0.0)
			{
				UTIL_Kill(id, target, random_float(5.0, 35.0), DMG_BULLET, 1);
				
				message_begin(MSG_BROADCAST, SVC_TEMPENTITY);
				write_byte(TE_TRACER);
				write_coord(floatround(SentryOrigin[0]));
				write_coord(floatround(SentryOrigin[1]));
				write_coord(floatround(SentryOrigin[2]));
				write_coord(floatround(TargetOrigin[0]));
				write_coord(floatround(TargetOrigin[1]));
				write_coord(floatround(TargetOrigin[2]));
				message_end();
			}
			entity_set_float(ent, EV_FL_nextthink, get_gametime()+0.1);
			return PLUGIN_CONTINUE;
		}
		else
		{
			fireoff:
			firemods = 0;
			entity_set_int(ent, EV_INT_iuser1, 0);
			entity_set_edict(ent, EV_ENT_euser1, 0);
			emit_sound(ent, CHAN_AUTO, "mw/sentrygun_stops.wav", 1.0, ATTN_NORM, 0, PITCH_NORM);
			
			entity_set_float(ent, EV_FL_nextthink, get_gametime()+1.0);
			return PLUGIN_CONTINUE;
		}
	}
	
	new closestTarget = getClosestPlayer(ent)
	if(closestTarget)
	{
		emit_sound(ent, CHAN_AUTO, "mw/sentrygun_starts.wav", 1.0, ATTN_NORM, 0, PITCH_NORM);
		entity_get_vector(closestTarget, EV_VEC_origin, closestOrigin);
		sentry_turntotarget(ent, SentryOrigin, closestOrigin);
		
		entity_set_int(ent, EV_INT_iuser1, 1);
		entity_set_edict(ent, EV_ENT_euser1, closestTarget);
		
		entity_set_float(ent, EV_FL_nextthink, get_gametime()+1.0);
		return PLUGIN_CONTINUE;
	}
	
	if(!firemods)
	{
		new controler1 = entity_get_byte(ent, EV_BYTE_controller1)+1;
		if(controler1 > 255)
			controler1 = 0;
		entity_set_byte(ent, EV_BYTE_controller1, controler1);
		
		new controler2 = entity_get_byte(ent, EV_BYTE_controller2);
		if(controler2 > 127 || controler2 < 127)
			entity_set_byte(ent, EV_BYTE_controller2, 127);
		
		entity_set_float(ent, EV_FL_nextthink, get_gametime()+0.05);
	}
	return PLUGIN_CONTINUE
}

public sentry_turntotarget(ent, Float:sentryOrigin[3], Float:closestOrigin[3]) 
{
	new newTrip, Float:newAngle = floatatan(((closestOrigin[1]-sentryOrigin[1])/(closestOrigin[0]-sentryOrigin[0])), radian) * 57.2957795;
	
	if(closestOrigin[0] < sentryOrigin[0])
		newAngle += 180.0;
	if(newAngle < 0.0)
		newAngle += 360.0;
	
	sentryOrigin[2] += 35.0
	if(closestOrigin[2] > sentryOrigin[2])
		newTrip = 0;
	if(closestOrigin[2] < sentryOrigin[2])
		newTrip = 255;
	if(closestOrigin[2] == sentryOrigin[2])
		newTrip = 127;
	
	entity_set_byte(ent, EV_BYTE_controller1,floatround(newAngle*0.70833));
	entity_set_byte(ent, EV_BYTE_controller2, newTrip);
	entity_set_byte(ent, EV_BYTE_controller3, entity_get_byte(ent, EV_BYTE_controller3)+20>255? 0: entity_get_byte(ent, EV_BYTE_controller3)+20);
}

public TakeDamage(ent, idinflictor, attacker, Float:damage, damagebits)
{
	if(!is_user_alive(attacker))
		return HAM_IGNORED;
	
	new classname[32];
	entity_get_string(ent, EV_SZ_classname, classname, 31);
	
	if(equal(classname, "sentryG")) 
	{
		new id = entity_get_int(ent, EV_INT_iuser2);
		if(get_user_team(attacker) == get_user_team(id))
			return HAM_SUPERCEDE;
		
		if(damage >= entity_get_float(ent, EV_FL_health))
		{
			new Float:Origin[3];
			entity_get_vector(ent, EV_VEC_origin, Origin);	
			new entlist[33];
			new numfound = find_sphere_class(ent, "player", 190.0, entlist, 32);
			
			for(new i=0; i < numfound; i++)
			{		
				new pid = entlist[i];
				
				if(!is_user_alive(pid) || get_user_team(id) == get_user_team(pid))
					continue;
				UTIL_Kill(id, pid, 70.0, (1<<24));
			}
			client_cmd(id, "spk sound/mw/sentrygun_gone.wav");
			
			set_task(1.0, "del_sentry", ent);
		}
	}
	return HAM_IGNORED;
}

public del_sentry(ent)
{	
	remove_entity(ent);
}

stock UTIL_Kill(atakujacy, obrywajacy, Float:damage, damagebits, ile=0)
{
	ZmienKilla[ile] |= (1<<atakujacy);
	ExecuteHam(Ham_TakeDamage, obrywajacy, atakujacy, atakujacy, damage, damagebits);
	ZmienKilla[ile] &= ~(1<<atakujacy);
}

stock print_info(id, const nagroda[], const nazwa[] = "y")
{
	new nick[64];
	get_user_name(id, nick, 63);
	client_print(0, print_chat, "%s wezwan%s przez %s", nagroda, nazwa, nick);
}

stock bool:UTIL_In_FOV(id,ent)
{
	if((get_pdata_int(id, 510) & (1<<16)) && (Find_Angle(id, ent) > 0.0))
		return true;
	return false;
}

stock getClosestPlayer(ent)
{
	new iClosestPlayer = 0, Float:flClosestDist = MAX_DIST, Float:flDistanse, Float:fOrigin[2][3];
	new num, players[32];
	get_players(players, num, "gh")
	for(new a = 0; a < num; a++)
	{
		new i = players[a];
		if(!is_user_connected(i) || !is_user_alive(i) || /*!ExecuteHam(Ham_FVisible, i, ent)*/!fm_is_ent_visible(i, ent) || get_user_team(i) == get_user_team(entity_get_int(ent, EV_INT_iuser2)))
			continue;
		
		if(UTIL_In_FOV(i, ent))
			continue;
		
		entity_get_vector(i, EV_VEC_origin, fOrigin[0]);
		entity_get_vector(ent, EV_VEC_origin, fOrigin[1]);
		
		flDistanse = get_distance_f(fOrigin[0], fOrigin[1]);
		
		if(flDistanse <= flClosestDist)
		{
			iClosestPlayer = i;
			flClosestDist = flDistanse;
		}
	}
	return iClosestPlayer;
}

stock Float:Find_Angle(id, target)
{
	new Float:Origin[3], Float:TargetOrigin[3];
	pev(id,pev_origin, Origin);
	pev(target,pev_origin,TargetOrigin);
	
	new Float:Angles[3], Float:vec2LOS[3];
	pev(id,pev_angles, Angles);
	
	xs_vec_sub(TargetOrigin, Origin, vec2LOS);
	vec2LOS[2] = 0.0;
	
	new Float:veclength = vector_length(vec2LOS);
	if (veclength <= 0.0)
		vec2LOS[0] = vec2LOS[1] = 0.0;
	else
	{
		new Float:flLen = 1.0 / veclength;
		vec2LOS[0] = vec2LOS[0]*flLen;
		vec2LOS[1] = vec2LOS[1]*flLen;
	}
	engfunc(EngFunc_MakeVectors, Angles);
	
	new Float:v_forward[3];
	get_global_vector(GL_v_forward, v_forward);
	
	new Float:flDot = vec2LOS[0]*v_forward[0]+vec2LOS[1]*v_forward[1];
	if(flDot > 0.5)
		return flDot;
	
	return 0.0;
}