#include <amxmodx>
#include <engine>
#include <fakemeta>
#include <fakemeta_util>
#include <hamsandwich>
#include <cstrike>
#include <xs>
#include <zombieplague>

#define PLUGIN "[ZP] Extra Item: Dragon Sword"
#define VERSION "2.0"
#define AUTHOR "Dias Leon"

#define V_MODEL "models/v_dragonsword2.mdl"
#define P_MODEL "models/p_dragonsword.mdl"

#define CSW_DRAGONSWORD CSW_KNIFE
#define weapon_dragonsword "weapon_knife"
#define WEAPON_ANIMEXT "knife" //"skullaxe"

#define DRAW_TIME 1.0

#define SLASH_ROTATE_DAMAGE 250.0
#define SLASH_ROTATE_RADIUS 120.0
#define SLASH_ROTATE_POINT_DIS 60.0
#define SLASH_ROTATE_DELAY_TIME 0.7
#define SLASH_ROTATE_RESET_TIME 1.0

#define SLASH_AHEAD_DAMAGE 350.0
#define SLASH_AHEAD_RADIUS 100.0
#define SLASH_AHEAD_POINT_DIS 30.0
#define SLASH_AHEAD_DELAY_TIME 0.3
#define SLASH_AHEAD_RESET_TIME 0.9

#define STAB_DAMAGE 550.0
#define STAB_RADIUS 110.0
#define STAB_POINT_DIS 80.0
#define STAB_TIME 0.657
#define STAB_RESET_TIME 0.75

#define TASK_SLASHING 2033+20
#define TASK_STABING 2033+10

// OFFSET
const PDATA_SAFE = 2
const OFFSET_LINUX_WEAPONS = 4
const OFFSET_WEAPONOWNER = 41
const m_flNextAttack = 83
const m_szAnimExtention = 492

new const DragonSword_Sound[8][] =
{
	"weapons/dragonsword_draw.wav",
	"weapons/dragonsword_hit1.wav",
	"weapons/dragonsword_hit2.wav",
	"weapons/dragonsword_idle.wav",
	"weapons/dragonsword_slash1.wav",
	"weapons/dragonsword_slash2.wav",
	"weapons/dragonsword_stab_hit.wav",
	"weapons/dragonsword_wall.wav"
}

enum
{
	ATTACK_SLASH_ROTATE = 1,
	ATTACK_SLASH_AHEAD,
	ATTACK_STAB
}

enum
{
	DS_ANIM_IDLE = 0,
	DS_ANIM_SLASH_ROTATE,
	DS_ANIM_SLASH_AHEAD,
	DS_ANIM_DRAW,
	DS_ANIM_STAB_BEGIN,
	DS_ANIM_STAB_END
}

enum
{
	HIT_NOTHING = 0,
	HIT_ENEMY,
	HIT_WALL
}

new g_DragonSword
new g_Had_DragonSword[33], g_Slashing_Mode[33], g_Attack_Mode[33], g_Checking_Mode[33], g_Hit_Ing[33]
new g_Old_Weapon[33], g_Ham_Bot, g_MaxPlayers

public plugin_init()
{
	register_plugin(PLUGIN, VERSION, AUTHOR)

	register_event("HLTV", "Event_NewRound", "a", "1=0", "2=0")
	register_event("CurWeapon", "Event_CurWeapon", "be", "1=1")

	register_forward(FM_EmitSound, "fw_EmitSound")
	register_forward(FM_CmdStart, "fw_CmdStart")
	register_forward(FM_TraceLine, "fw_TraceLine")
	register_forward(FM_TraceHull, "fw_TraceHull")

	RegisterHam(Ham_TraceAttack, "player", "fw_PlayerTraceAttack")

	g_MaxPlayers = get_maxplayers()
	//register_clcmd("admin_get_dragonsword", "get_dragonsword", ADMIN_KICK)
}

public plugin_precache()
{
	engfunc(EngFunc_PrecacheModel, V_MODEL)
	engfunc(EngFunc_PrecacheModel, P_MODEL)

	for(new i = 0; i < sizeof(DragonSword_Sound); i++)
		engfunc(EngFunc_PrecacheSound, DragonSword_Sound[i])

	g_DragonSword = zp_register_extra_item("Dragon Sword", 10, ZP_TEAM_HUMAN)
}

public zp_user_infected_post(id) remove_dragonsword(id)
public zp_extra_item_selected(id, ItemID)
{
	if(ItemID == g_DragonSword) get_dragonsword(id)
}

public get_dragonsword(id)
{
	if(!is_user_alive(id))
		return

	remove_task(id+TASK_SLASHING)
	remove_task(id+TASK_STABING)

	g_Had_DragonSword[id] = 1
	g_Slashing_Mode[id] = 0
	g_Attack_Mode[id] = 0
	g_Checking_Mode[id] = 0
	g_Hit_Ing[id] = 0

	if(get_user_weapon(id) == CSW_KNIFE)
	{
		set_pev(id, pev_viewmodel2, V_MODEL)
		set_pev(id, pev_weaponmodel2, P_MODEL)

		set_weapon_anim(id, DS_ANIM_DRAW)
		set_player_nextattack(id, DRAW_TIME)
	} else {
		engclient_cmd(id, weapon_dragonsword)
	}
}

public remove_dragonsword(id)
{
	remove_task(id+TASK_SLASHING)
	remove_task(id+TASK_STABING)

	g_Had_DragonSword[id] = 0
	g_Slashing_Mode[id] = 0
	g_Attack_Mode[id] = 0
	g_Checking_Mode[id] = 0
	g_Hit_Ing[id] = 0
}

public client_putinserver(id)
{
	if(!g_Ham_Bot && is_user_bot(id))
	{
		g_Ham_Bot = 1
		set_task(0.1, "Do_RegisterHam_Bot", id)
	}
}

public Do_RegisterHam_Bot(id)
{
	RegisterHamFromEntity(Ham_TraceAttack, id, "fw_PlayerTraceAttack")
}

public Event_NewRound()
{
	for(new i = 0; i < g_MaxPlayers; i++)
		remove_dragonsword(i)
}

public Event_CurWeapon(id)
{
	if(!is_user_alive(id))
		return

	// Problem Here ?. SHUT THE FUCK UP
	if((read_data(2) == CSW_DRAGONSWORD && g_Old_Weapon[id] != CSW_DRAGONSWORD) && g_Had_DragonSword[id])
	{
		set_pev(id, pev_viewmodel2, V_MODEL)
		set_pev(id, pev_weaponmodel2, P_MODEL)

		set_weapon_anim(id, DS_ANIM_DRAW)
		set_player_nextattack(id, DRAW_TIME)

		set_pdata_string(id, m_szAnimExtention * 4, WEAPON_ANIMEXT, -1 , 20)
	}

	g_Old_Weapon[id] = read_data(2)
}

public fw_EmitSound(id, channel, const sample[], Float:volume, Float:attn, flags, pitch)
{
	if(!is_user_connected(id))
		return FMRES_IGNORED
	if(/*get_user_weapon(id) != CSW_DRAGONSWORD || */!g_Had_DragonSword[id])
		return FMRES_IGNORED

	if(sample[8] == 'k' && sample[9] == 'n' && sample[10] == 'i')
	{
		if(sample[14] == 's' && sample[15] == 'l' && sample[16] == 'a')
			return FMRES_SUPERCEDE
		if (sample[14] == 'h' && sample[15] == 'i' && sample[16] == 't')
		{
			if (sample[17] == 'w') // wall
			{
				g_Hit_Ing[id] = HIT_WALL
				return FMRES_SUPERCEDE
			} else {
				g_Hit_Ing[id] = HIT_ENEMY
				return FMRES_SUPERCEDE
			}
		}
		if (sample[14] == 's' && sample[15] == 't' && sample[16] == 'a')
			return FMRES_SUPERCEDE;
	}

	return FMRES_IGNORED
}

public fw_CmdStart(id, uc_handle, seed)
{
	if (!is_user_alive(id))
		return
	if(get_user_weapon(id) != CSW_DRAGONSWORD || !g_Had_DragonSword[id])
		return

	static ent; ent = fm_get_user_weapon_entity(id, CSW_DRAGONSWORD)

	if(!pev_valid(ent))
		return
	if(get_pdata_float(ent, 46, OFFSET_LINUX_WEAPONS) > 0.0 || get_pdata_float(ent, 47, OFFSET_LINUX_WEAPONS) > 0.0)
		return

	static CurButton
	CurButton = get_uc(uc_handle, UC_Buttons)

	if (CurButton & IN_ATTACK)
	{
		set_uc(uc_handle, UC_Buttons, CurButton & ~IN_ATTACK)

		if(!g_Slashing_Mode[id])
		{
			g_Attack_Mode[id] = ATTACK_SLASH_ROTATE
			g_Checking_Mode[id] = 1
			ExecuteHamB(Ham_Weapon_PrimaryAttack, ent)
			g_Checking_Mode[id] = 0

			set_pev(id, pev_framerate, 1.5)
			set_weapons_timeidle(id, CSW_DRAGONSWORD, SLASH_ROTATE_RESET_TIME)
			set_player_nextattack(id, SLASH_ROTATE_RESET_TIME)

			set_weapon_anim(id, DS_ANIM_SLASH_ROTATE)
			set_task(SLASH_ROTATE_DELAY_TIME, "Do_Slashing_Rotate", id+TASK_SLASHING)
		} else {
			g_Attack_Mode[id] = ATTACK_SLASH_AHEAD
			g_Checking_Mode[id] = 1
			ExecuteHamB(Ham_Weapon_PrimaryAttack, ent)
			g_Checking_Mode[id] = 0

			set_pev(id, pev_framerate, 2.0)
			set_weapons_timeidle(id, CSW_DRAGONSWORD, SLASH_AHEAD_RESET_TIME)
			set_player_nextattack(id, SLASH_AHEAD_RESET_TIME)

			set_weapon_anim(id, DS_ANIM_SLASH_AHEAD)
			set_task(SLASH_AHEAD_DELAY_TIME, "Do_Slashing_Ahead", id+TASK_SLASHING)
		}

		g_Slashing_Mode[id] = !g_Slashing_Mode[id]
	} else if (CurButton & IN_ATTACK2) {
		set_uc(uc_handle, UC_Buttons, CurButton & ~IN_ATTACK2)

		g_Attack_Mode[id] = ATTACK_STAB
		g_Checking_Mode[id] = 1
		ExecuteHamB(Ham_Weapon_SecondaryAttack, ent)
		g_Checking_Mode[id] = 0

		set_pev(id, pev_framerate, 1.5)
		set_weapons_timeidle(id, CSW_DRAGONSWORD, STAB_TIME + 0.1)
		set_player_nextattack(id, STAB_TIME + 0.1)

		set_weapon_anim(id, DS_ANIM_STAB_BEGIN)

		remove_task(id+TASK_STABING)
		set_task(STAB_TIME, "Do_StabNow", id+TASK_STABING)
	}
}

public Do_Slashing_Rotate(id)
{
	id -= TASK_SLASHING

	if(!is_user_alive(id))
		return
	if(get_user_weapon(id) != CSW_DRAGONSWORD || !g_Had_DragonSword[id])
		return

	if(Check_Attack(id, ATTACK_SLASH_ROTATE))
	{
		emit_sound(id, CHAN_WEAPON, DragonSword_Sound[1], 1.0, ATTN_NORM, 0, PITCH_NORM)
	} else {
		if(g_Hit_Ing[id] == HIT_WALL) emit_sound(id, CHAN_WEAPON, DragonSword_Sound[7], 1.0, ATTN_NORM, 0, PITCH_NORM)
		else if(g_Hit_Ing[id] == HIT_NOTHING) emit_sound(id, CHAN_WEAPON, DragonSword_Sound[4], 1.0, ATTN_NORM, 0, PITCH_NORM)
	}

	g_Attack_Mode[id] = 0
	g_Hit_Ing[id] = 0
}

public Do_Slashing_Ahead(id)
{
	id -= TASK_SLASHING

	if(!is_user_alive(id))
		return
	if(get_user_weapon(id) != CSW_DRAGONSWORD || !g_Had_DragonSword[id])
		return

	if(Check_Attack(id, ATTACK_SLASH_AHEAD))
	{
		emit_sound(id, CHAN_WEAPON, DragonSword_Sound[2], 1.0, ATTN_NORM, 0, PITCH_NORM)
	} else {
		if(g_Hit_Ing[id] == HIT_WALL) emit_sound(id, CHAN_WEAPON, DragonSword_Sound[7], 1.0, ATTN_NORM, 0, PITCH_NORM)
		else if(g_Hit_Ing[id] == HIT_NOTHING) emit_sound(id, CHAN_WEAPON, DragonSword_Sound[5], 1.0, ATTN_NORM, 0, PITCH_NORM)
	}

	g_Attack_Mode[id] = 0
	g_Hit_Ing[id] = 0
}

public Do_StabNow(id)
{
	id -= TASK_STABING

	if (!is_user_alive(id))
		return
	if(!g_Had_DragonSword[id])
		return

	set_weapon_anim(id, DS_ANIM_STAB_END)

	if(get_user_weapon(id) != CSW_DRAGONSWORD)
	{
		set_weapons_timeidle(id, CSW_DRAGONSWORD, 0.0)
		set_player_nextattack(id, 0.0)
	} else {
		set_weapons_timeidle(id, CSW_DRAGONSWORD, STAB_RESET_TIME)
		set_player_nextattack(id, STAB_RESET_TIME)
	}

	if(Check_Attack(id, ATTACK_STAB))
	{
		emit_sound(id, CHAN_WEAPON, DragonSword_Sound[1], 1.0, ATTN_NORM, 0, PITCH_NORM)
	} else {
		if(g_Hit_Ing[id] == HIT_WALL) emit_sound(id, CHAN_WEAPON, DragonSword_Sound[7], 1.0, ATTN_NORM, 0, PITCH_NORM)
		else if(g_Hit_Ing[id] == HIT_NOTHING) emit_sound(id, CHAN_WEAPON, DragonSword_Sound[6], 1.0, ATTN_NORM, 0, PITCH_NORM)
	}

	g_Attack_Mode[id] = 0
	g_Hit_Ing[id] = 0
}


public Check_Attack(id, Mode)
{
	static Float:Max_Distance, Float:Point[4][3], Float:TB_Distance, Float:Point_Dis

	if(Mode == ATTACK_SLASH_ROTATE)
	{
		Point_Dis = SLASH_ROTATE_POINT_DIS
		Max_Distance = SLASH_ROTATE_RADIUS
		TB_Distance = Max_Distance / 4.0
	} else if(Mode == ATTACK_SLASH_AHEAD) {
		Point_Dis = SLASH_AHEAD_POINT_DIS
		Max_Distance = SLASH_AHEAD_RADIUS
		TB_Distance = Max_Distance / 4.0
	} else if(Mode == ATTACK_STAB) {
		Point_Dis = STAB_POINT_DIS
		Max_Distance = STAB_RADIUS
		TB_Distance = Max_Distance / 4.0
	}

	static Float:VicOrigin[3], Float:MyOrigin[3]
	pev(id, pev_origin, MyOrigin)

	for(new i = 0; i < 4; i++)
		get_position(id, TB_Distance * (i + 1), 0.0, 0.0, Point[i])

	static Have_Victim; Have_Victim = 0
	static ent
	ent = fm_get_user_weapon_entity(id, get_user_weapon(id))

	if(!pev_valid(ent))
		return 0

	for(new i = 0; i < get_maxplayers(); i++)
	{
		if(!is_user_alive(i))
			continue
		if(id == i)
			continue
		if(entity_range(id, i) > Max_Distance)
			continue

		pev(i, pev_origin, VicOrigin)
		if(is_wall_between_points(MyOrigin, VicOrigin, id))
			continue

		if(get_distance_f(VicOrigin, Point[0]) <= Point_Dis
		|| get_distance_f(VicOrigin, Point[1]) <= Point_Dis
		|| get_distance_f(VicOrigin, Point[2]) <= Point_Dis
		|| get_distance_f(VicOrigin, Point[3]) <= Point_Dis)
		{
			if(!Have_Victim) Have_Victim = 1
			if(Mode == ATTACK_SLASH_ROTATE)
				do_attack(id, i, ent, SLASH_ROTATE_DAMAGE)
			else if(Mode == ATTACK_SLASH_AHEAD)
				do_attack(id, i, ent, SLASH_AHEAD_DAMAGE)
			else if(Mode == ATTACK_STAB)
				do_attack(id, i, ent, STAB_DAMAGE)
		}
	}

	if(Have_Victim)
		return 1
	else
		return 0

	return 0
}

public fw_TraceLine(Float:vector_start[3], Float:vector_end[3], ignored_monster, id, handle)
{
	if (!is_user_alive(id))
		return FMRES_IGNORED
	if (get_user_weapon(id) != CSW_DRAGONSWORD || !g_Had_DragonSword[id])
		return FMRES_IGNORED

	static Float:vecStart[3], Float:vecEnd[3], Float:v_angle[3], Float:v_forward[3], Float:view_ofs[3], Float:fOrigin[3]

	pev(id, pev_origin, fOrigin)
	pev(id, pev_view_ofs, view_ofs)
	xs_vec_add(fOrigin, view_ofs, vecStart)
	pev(id, pev_v_angle, v_angle)

	engfunc(EngFunc_MakeVectors, v_angle)
	get_global_vector(GL_v_forward, v_forward)

	if(g_Attack_Mode[id] == ATTACK_SLASH_ROTATE) xs_vec_mul_scalar(v_forward, SLASH_ROTATE_RADIUS, v_forward)
	else if(g_Attack_Mode[id] == ATTACK_SLASH_AHEAD) xs_vec_mul_scalar(v_forward, SLASH_AHEAD_RADIUS, v_forward)
	else if(g_Attack_Mode[id] == ATTACK_STAB) xs_vec_mul_scalar(v_forward, STAB_RADIUS, v_forward)
	else xs_vec_mul_scalar(v_forward, 0.0, v_forward)
	xs_vec_add(vecStart, v_forward, vecEnd)

	engfunc(EngFunc_TraceLine, vecStart, vecEnd, ignored_monster, id, handle)

	return FMRES_SUPERCEDE
}

public fw_TraceHull(Float:vector_start[3], Float:vector_end[3], ignored_monster, hull, id, handle)
{
	if (!is_user_alive(id))
		return FMRES_IGNORED
	if (get_user_weapon(id) != CSW_DRAGONSWORD || !g_Had_DragonSword[id])
		return FMRES_IGNORED

	static Float:vecStart[3], Float:vecEnd[3], Float:v_angle[3], Float:v_forward[3], Float:view_ofs[3], Float:fOrigin[3]

	pev(id, pev_origin, fOrigin)
	pev(id, pev_view_ofs, view_ofs)
	xs_vec_add(fOrigin, view_ofs, vecStart)
	pev(id, pev_v_angle, v_angle)

	engfunc(EngFunc_MakeVectors, v_angle)
	get_global_vector(GL_v_forward, v_forward)

	if(g_Attack_Mode[id] == ATTACK_SLASH_ROTATE) xs_vec_mul_scalar(v_forward, SLASH_ROTATE_RADIUS, v_forward)
	else if(g_Attack_Mode[id] == ATTACK_SLASH_AHEAD) xs_vec_mul_scalar(v_forward, SLASH_AHEAD_RADIUS, v_forward)
	else if(g_Attack_Mode[id] == ATTACK_STAB) xs_vec_mul_scalar(v_forward, STAB_RADIUS, v_forward)
	else xs_vec_mul_scalar(v_forward, 0.0, v_forward)
	xs_vec_add(vecStart, v_forward, vecEnd)

	engfunc(EngFunc_TraceHull, vecStart, vecEnd, ignored_monster, hull, id, handle)

	return FMRES_SUPERCEDE
}

public fw_PlayerTraceAttack(Victim, Attacker, Float:Damage, Float:Direction[3], TraceResult, DamageBits)
{
	if(!is_user_alive(Attacker))
		return HAM_IGNORED
	if(!g_Had_DragonSword[Attacker] || !g_Checking_Mode[Attacker])
		return HAM_IGNORED

	return HAM_SUPERCEDE
}

do_attack(Attacker, Victim, Inflictor, Float:fDamage)
{
	fake_player_trace_attack(Attacker, Victim, fDamage)
	fake_take_damage(Attacker, Victim, fDamage, Inflictor)
}

fake_player_trace_attack(iAttacker, iVictim, &Float:fDamage)
{
	// get fDirection
	new Float:fAngles[3], Float:fDirection[3]
	pev(iAttacker, pev_angles, fAngles)
	angle_vector(fAngles, ANGLEVECTOR_FORWARD, fDirection)

	// get fStart
	new Float:fStart[3], Float:fViewOfs[3]
	pev(iAttacker, pev_origin, fStart)
	pev(iAttacker, pev_view_ofs, fViewOfs)
	xs_vec_add(fViewOfs, fStart, fStart)

	// get aimOrigin
	new iAimOrigin[3], Float:fAimOrigin[3]
	get_user_origin(iAttacker, iAimOrigin, 3)
	IVecFVec(iAimOrigin, fAimOrigin)

	// TraceLine from fStart to AimOrigin
	new ptr = create_tr2()
	engfunc(EngFunc_TraceLine, fStart, fAimOrigin, DONT_IGNORE_MONSTERS, iAttacker, ptr)
	new pHit = get_tr2(ptr, TR_pHit)
	new iHitgroup = get_tr2(ptr, TR_iHitgroup)
	new Float:fEndPos[3]
	get_tr2(ptr, TR_vecEndPos, fEndPos)

	// get target & body at aiming
	new iTarget, iBody
	get_user_aiming(iAttacker, iTarget, iBody)

	// if aiming find target is iVictim then update iHitgroup
	if (iTarget == iVictim)
	{
		iHitgroup = iBody
	}

	// if ptr find target not is iVictim
	else if (pHit != iVictim)
	{
		// get AimOrigin in iVictim
		new Float:fVicOrigin[3], Float:fVicViewOfs[3], Float:fAimInVictim[3]
		pev(iVictim, pev_origin, fVicOrigin)
		pev(iVictim, pev_view_ofs, fVicViewOfs)
		xs_vec_add(fVicViewOfs, fVicOrigin, fAimInVictim)
		fAimInVictim[2] = fStart[2]
		fAimInVictim[2] += get_distance_f(fStart, fAimInVictim) * floattan( fAngles[0] * 2.0, degrees )

		// check aim in size of iVictim
		new iAngleToVictim = get_angle_to_target(iAttacker, fVicOrigin)
		iAngleToVictim = abs(iAngleToVictim)
		new Float:fDis = 2.0 * get_distance_f(fStart, fAimInVictim) * floatsin( float(iAngleToVictim) * 0.5, degrees )
		new Float:fVicSize[3]
		pev(iVictim, pev_size , fVicSize)
		if ( fDis <= fVicSize[0] * 0.5 )
		{
			// TraceLine from fStart to aimOrigin in iVictim
			new ptr2 = create_tr2()
			engfunc(EngFunc_TraceLine, fStart, fAimInVictim, DONT_IGNORE_MONSTERS, iAttacker, ptr2)
			new pHit2 = get_tr2(ptr2, TR_pHit)
			new iHitgroup2 = get_tr2(ptr2, TR_iHitgroup)

			// if ptr2 find target is iVictim
			if ( pHit2 == iVictim && (iHitgroup2 != HIT_HEAD || fDis <= fVicSize[0] * 0.25) )
			{
				pHit = iVictim
				iHitgroup = iHitgroup2
				get_tr2(ptr2, TR_vecEndPos, fEndPos)
			}

			free_tr2(ptr2)
		}

		// if pHit still not is iVictim then set default HitGroup
		if (pHit != iVictim)
		{
			// set default iHitgroup
			iHitgroup = HIT_GENERIC

			new ptr3 = create_tr2()
			engfunc(EngFunc_TraceLine, fStart, fVicOrigin, DONT_IGNORE_MONSTERS, iAttacker, ptr3)
			get_tr2(ptr3, TR_vecEndPos, fEndPos)

			// free ptr3
			free_tr2(ptr3)
		}
	}

	// set new Hit & Hitgroup & EndPos
	set_tr2(ptr, TR_pHit, iVictim)
	set_tr2(ptr, TR_iHitgroup, iHitgroup)
	set_tr2(ptr, TR_vecEndPos, fEndPos)

	// hitgroup multi fDamage
	new Float:fMultifDamage
	switch(iHitgroup)
	{
		case HIT_HEAD: fMultifDamage  = 4.0
		case HIT_STOMACH: fMultifDamage  = 1.25
		case HIT_LEFTLEG: fMultifDamage  = 0.75
		case HIT_RIGHTLEG: fMultifDamage  = 0.75
		default: fMultifDamage  = 1.0
	}

	fDamage *= fMultifDamage

	// ExecuteHam
	fake_trake_attack(iAttacker, iVictim, fDamage, fDirection, ptr)

	// free ptr
	free_tr2(ptr)
}

stock fake_trake_attack(iAttacker, iVictim, Float:fDamage, Float:fDirection[3], iTraceHandle, iDamageBit = (DMG_NEVERGIB | DMG_BULLET))
{
	ExecuteHamB(Ham_TraceAttack, iVictim, iAttacker, fDamage, fDirection, iTraceHandle, iDamageBit)
}

stock fake_take_damage(iAttacker, iVictim, Float:fDamage, iInflictor = 0, iDamageBit = (DMG_NEVERGIB | DMG_BULLET))
{
	iInflictor = (!iInflictor) ? iAttacker : iInflictor
	ExecuteHamB(Ham_TakeDamage, iVictim, iInflictor, iAttacker, fDamage, iDamageBit)
}

stock get_angle_to_target(id, const Float:fTarget[3], Float:TargetSize = 0.0)
{
	new Float:fOrigin[3], iAimOrigin[3], Float:fAimOrigin[3], Float:fV1[3]
	pev(id, pev_origin, fOrigin)
	get_user_origin(id, iAimOrigin, 3) // end position from eyes
	IVecFVec(iAimOrigin, fAimOrigin)
	xs_vec_sub(fAimOrigin, fOrigin, fV1)

	new Float:fV2[3]
	xs_vec_sub(fTarget, fOrigin, fV2)

	new iResult = get_angle_between_vectors(fV1, fV2)

	if (TargetSize > 0.0)
	{
		new Float:fTan = TargetSize / get_distance_f(fOrigin, fTarget)
		new fAngleToTargetSize = floatround( floatatan(fTan, degrees) )
		iResult -= (iResult > 0) ? fAngleToTargetSize : -fAngleToTargetSize
	}

	return iResult
}

stock get_angle_between_vectors(const Float:fV1[3], const Float:fV2[3])
{
	new Float:fA1[3], Float:fA2[3]
	engfunc(EngFunc_VecToAngles, fV1, fA1)
	engfunc(EngFunc_VecToAngles, fV2, fA2)

	new iResult = floatround(fA1[1] - fA2[1])
	iResult = iResult % 360
	iResult = (iResult > 180) ? (iResult - 360) : iResult

	return iResult
}

stock fm_cs_get_weapon_ent_owner(ent)
{
	if (pev_valid(ent) != PDATA_SAFE)
		return -1

	return get_pdata_cbase(ent, OFFSET_WEAPONOWNER, OFFSET_LINUX_WEAPONS)
}

stock set_weapon_anim(id, anim)
{
	if(!is_user_alive(id))
		return

	set_pev(id, pev_weaponanim, anim)

	message_begin(MSG_ONE_UNRELIABLE, SVC_WEAPONANIM, _, id)
	write_byte(anim)
	write_byte(0)
	message_end()
}

stock set_weapons_timeidle(id, WeaponId ,Float:TimeIdle)
{
	if(!is_user_alive(id))
		return

	static entwpn; entwpn = fm_get_user_weapon_entity(id, WeaponId)
	if(!pev_valid(entwpn))
		return

	set_pdata_float(entwpn, 46, TimeIdle, OFFSET_LINUX_WEAPONS)
	set_pdata_float(entwpn, 47, TimeIdle, OFFSET_LINUX_WEAPONS)
	set_pdata_float(entwpn, 48, TimeIdle + 0.5, OFFSET_LINUX_WEAPONS)
}

stock set_player_nextattack(id, Float:nexttime)
{
	if(!is_user_alive(id))
		return

	set_pdata_float(id, m_flNextAttack, nexttime, 5)
}

stock is_valid_entity(ent)
{
	if(pev_valid(ent) != PDATA_SAFE)
		return 0

	return 1
}

stock get_position(ent, Float:forw, Float:right, Float:up, Float:vStart[])
{
	static Float:vOrigin[3], Float:vAngle[3], Float:vForward[3], Float:vRight[3], Float:vUp[3]

	pev(ent, pev_origin, vOrigin)
	pev(ent, pev_view_ofs,vUp) //for player
	xs_vec_add(vOrigin,vUp,vOrigin)
	pev(ent, pev_v_angle, vAngle) // if normal entity ,use pev_angles

	angle_vector(vAngle,ANGLEVECTOR_FORWARD,vForward) //or use EngFunc_AngleVectors
	angle_vector(vAngle,ANGLEVECTOR_RIGHT,vRight)
	angle_vector(vAngle,ANGLEVECTOR_UP,vUp)

	vStart[0] = vOrigin[0] + vForward[0] * forw + vRight[0] * right + vUp[0] * up
	vStart[1] = vOrigin[1] + vForward[1] * forw + vRight[1] * right + vUp[1] * up
	vStart[2] = vOrigin[2] + vForward[2] * forw + vRight[2] * right + vUp[2] * up
}


stock is_wall_between_points(Float:start[3], Float:end[3], ignore_ent)
{
	static ptr
	ptr = create_tr2()

	engfunc(EngFunc_TraceLine, start, end, IGNORE_MONSTERS, ignore_ent, ptr)

	static Float:EndPos[3]
	get_tr2(ptr, TR_vecEndPos, EndPos)

	free_tr2(ptr)
	return floatround(get_distance_f(end, EndPos))
}