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

#define ENG_NULLENT		-1
#define EV_INT_WEAPONKEY	EV_INT_impulse
#define kriss_WEAPONKEY	302
#define MAX_PLAYERS  			  32
#define IsValidUser(%1) (1 <= %1 <= g_MaxPlayers)
#define write_coord_f(%1)	engfunc(EngFunc_WriteCoord,%1)

const USE_STOPPED = 0
const OFFSET_ACTIVE_ITEM = 373
const OFFSET_WEAPONOWNER = 41
const OFFSET_LINUX = 5
const OFFSET_LINUX_WEAPONS = 4

#define WEAP_LINUX_XTRA_OFF			4
#define m_fKnown				44
#define m_flNextPrimaryAttack 			46
#define m_flTimeWeaponIdle			48
#define m_iClip					51
#define m_fInReload				54
#define PLAYER_LINUX_XTRA_OFF			5
#define m_flNextAttack				83

#define kriss_RELOAD_TIME   3.8
#define kriss_DRAW_TIME   1.45

const PRIMARY_WEAPONS_BIT_SUM = (1<<CSW_SCOUT)|(1<<CSW_XM1014)|(1<<CSW_MAC10)|(1<<CSW_AUG)|(1<<CSW_UMP45)|(1<<CSW_SG550)|(1<<CSW_GALIL)|(1<<CSW_FAMAS)|(1<<CSW_AWP)|(1<<CSW_MP5NAVY)|(1<<CSW_M249)|(1<<CSW_M3)|(1<<CSW_M4A1)|(1<<CSW_TMP)|(1<<CSW_G3SG1)|(1<<CSW_SG552)|(1<<CSW_AK47)|(1<<CSW_P90)
new const WEAPONENTNAMES[][] = { "", "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 kriss_V_MODEL[64] = "models/tx/v_kriss.mdl"
new kriss_P_MODEL[64] = "models/tx/p_kriss.mdl"
new kriss_W_MODEL[64] = "models/tx/w_kriss.mdl"
new const GUNSHOT_DECALS[] = { 41, 42, 43, 44, 45 }

new cvar_dmg_kriss, cvar_recoil_kriss, g_itemid_kriss, cvar_clip_kriss, cvar_kriss_ammo
new Float:cl_pushangle[MAX_PLAYERS + 1][3], m_iBlood[2] , g_kriss_TmpClip[33] , oldweap[33] , g_has_kriss[33], g_hasZoom[33] , g_MaxPlayers, g_orig_event_kriss, g_clip_ammo[33]

public plugin_init()
{
	register_plugin("[CSO:Kriss]", "1.0", "Crock / =)")
	register_message(get_user_msgid("DeathMsg"), "message_DeathMsg")
	register_event("CurWeapon","CurrentWeapon","be","1=1")
	RegisterHam(Ham_Item_AddToPlayer, "weapon_m4a1", "fw_kriss_AddToPlayer")
	RegisterHam(Ham_Use, "func_tank", "fw_UseStationary_Post", 1)
	RegisterHam(Ham_Use, "func_tankmortar", "fw_UseStationary_Post", 1)
	RegisterHam(Ham_Use, "func_tankrocket", "fw_UseStationary_Post", 1)
	RegisterHam(Ham_Use, "func_tanklaser", "fw_UseStationary_Post", 1)
	for (new i = 1; i < sizeof WEAPONENTNAMES; i++)
		if (WEAPONENTNAMES[i][0]) RegisterHam(Ham_Item_Deploy, WEAPONENTNAMES[i], "fw_Item_Deploy_Post", 1)
	RegisterHam(Ham_Weapon_PrimaryAttack, "weapon_m4a1", "fw_kriss_PrimaryAttack")
	RegisterHam(Ham_Weapon_PrimaryAttack, "weapon_m4a1", "fw_kriss_PrimaryAttack_Post", 1)
	RegisterHam(Ham_Item_PostFrame, "weapon_m4a1", "kriss__ItemPostFrame");
	RegisterHam(Ham_Weapon_Reload, "weapon_m4a1", "kriss__Reload");
	RegisterHam(Ham_Weapon_Reload, "weapon_m4a1", "kriss__Reload_Post", 1);
	RegisterHam(Ham_TakeDamage, "player", "fw_TakeDamage")
	register_forward(FM_SetModel, "fw_SetModel")
	register_forward(FM_UpdateClientData, "fw_UpdateClientData_Post", 1)
	register_forward(FM_PlaybackEvent, "fwPlaybackEvent")

	cvar_dmg_kriss = register_cvar("zp_kriss_dmg", "1.2")
	cvar_recoil_kriss = register_cvar("zp_kriss_recoil", "0.4")
	cvar_clip_kriss = register_cvar("zp_kriss_clip", "30")
	cvar_kriss_ammo = register_cvar("zp_kriss_ammo", "90")

	RegisterHam(Ham_TraceAttack, "worldspawn", "fw_TraceAttack", 1)
	RegisterHam(Ham_TraceAttack, "func_breakable", "fw_TraceAttack", 1)
	RegisterHam(Ham_TraceAttack, "func_wall", "fw_TraceAttack", 1)
	RegisterHam(Ham_TraceAttack, "func_door", "fw_TraceAttack", 1)
	RegisterHam(Ham_TraceAttack, "func_door_rotating", "fw_TraceAttack", 1)
	RegisterHam(Ham_TraceAttack, "func_plat", "fw_TraceAttack", 1)
	RegisterHam(Ham_TraceAttack, "func_rotating", "fw_TraceAttack", 1)
	register_forward(FM_CmdStart, "fw_CmdStart")


	g_itemid_kriss = zp_register_extra_item("[Kriss Super V]", 14, ZP_TEAM_HUMAN)


	g_MaxPlayers = get_maxplayers()
}

public plugin_precache()
{
	precache_model(kriss_V_MODEL)
	precache_model(kriss_P_MODEL)
	precache_model(kriss_W_MODEL)
	precache_sound("weapons/kriss-1.wav")
	precache_sound("weapons/kriss_sil-1.wav")
	precache_sound("weapons/kriss_clipon.wav")
	precache_sound("weapons/kriss_clipout.wav")
	precache_sound("weapons/kriss_clipin.wav")
	precache_sound("weapons/kriss_draw.wav")
	precache_sound("weapons/kriss_foley1.wav")
	precache_sound("weapons/kriss_foley2.wav")
	m_iBlood[0] = precache_model("sprites/blood.spr")
	m_iBlood[1] = precache_model("sprites/bloodspray.spr")
	precache_model("sprites/640hud5.spr")
	register_forward(FM_PrecacheEvent, "fwPrecacheEvent_Post", 1)
}



public fwPrecacheEvent_Post(type, const name[])
{
	if (equal("events/m4a1.sc", name))
	{
		g_orig_event_kriss = get_orig_retval()
		return FMRES_HANDLED
	}
	
	return FMRES_IGNORED
}

public fw_SetModel(entity, model[])
{
	if(!is_valid_ent(entity))
		return FMRES_IGNORED;
	
	static szClassName[33]
	entity_get_string(entity, EV_SZ_classname, szClassName, charsmax(szClassName))
		
	if(!equal(szClassName, "weaponbox"))
		return FMRES_IGNORED;
	
	static iOwner
	
	iOwner = entity_get_edict(entity, EV_ENT_owner)
	
	if(equal(model, "models/w_m4a1.mdl"))
	{
		static iStoredSVDID
		
		iStoredSVDID = find_ent_by_owner(ENG_NULLENT, "weapon_m4a1", entity)
	
		if(!is_valid_ent(iStoredSVDID))
			return FMRES_IGNORED;
	
		if(g_has_kriss[iOwner])
		{
			entity_set_int(iStoredSVDID, EV_INT_WEAPONKEY, kriss_WEAPONKEY)
			g_has_kriss[iOwner] = false
			
			entity_set_model(entity, kriss_W_MODEL)
			
			return FMRES_SUPERCEDE;
		}
	}
	
	
	return FMRES_IGNORED;
}

public fw_TraceAttack(iEnt, iAttacker, Float:flDamage, Float:fDir[3], ptr, iDamageType)
{
	if(!is_user_alive(iAttacker))
		return;

	new g_currentweapon = get_user_weapon(iAttacker)
	if(g_currentweapon != CSW_M4A1) return
	
	if(!g_has_kriss[iAttacker]) return

	static Float:flEnd[3]
	get_tr2(ptr, TR_vecEndPos, flEnd)
	
	if(iEnt)
	{
		// Put decal on an entity
		message_begin(MSG_BROADCAST, SVC_TEMPENTITY)
		write_byte(TE_DECAL)
		write_coord_f(flEnd[0])
		write_coord_f(flEnd[1])
		write_coord_f(flEnd[2])
		write_byte(GUNSHOT_DECALS[random_num ( 0, sizeof GUNSHOT_DECALS -1 ) ] )
		write_short(iEnt)
		message_end()
	}
	else
	{
		// Put decal on "world" (a wall)
		message_begin(MSG_BROADCAST, SVC_TEMPENTITY)
		write_byte(TE_WORLDDECAL)
		write_coord_f(flEnd[0])
		write_coord_f(flEnd[1])
		write_coord_f(flEnd[2])
		write_byte(GUNSHOT_DECALS[random_num ( 0, sizeof GUNSHOT_DECALS -1 ) ] )
		message_end()
	}
	
	// Show sparcles
	message_begin(MSG_BROADCAST, SVC_TEMPENTITY)
	write_byte(TE_GUNSHOTDECAL)
	write_coord_f(flEnd[0])
	write_coord_f(flEnd[1])
	write_coord_f(flEnd[2])
	write_short(iAttacker)
	write_byte(GUNSHOT_DECALS[random_num ( 0, sizeof GUNSHOT_DECALS -1 ) ] )
	message_end()
}


public give_kriss(id)
{
	drop_weapons(id, 1);
	new iWep2 = give_item(id,"weapon_m4a1")
	new text[100]
	format(text,99,"^x04[CSO ZM] ^x01Оружие ^x04Kriss Super V^x01.Глушитель^x04 ATTACK2^x01.Zoom^x04 E(Use)^x01.");
	message_begin(MSG_ONE,get_user_msgid("SayText"),{0,0,0},id) 
	write_byte(id) 
	write_string(text) 
	message_end()
	if( iWep2 > 0 )
	{
		cs_set_weapon_ammo(iWep2, get_pcvar_num(cvar_clip_kriss))
		cs_set_user_bpammo (id, CSW_M4A1, get_pcvar_num(cvar_kriss_ammo))
	}
	if(get_user_weapon(id) == CSW_M4A1)
	{
		if(cs_get_weapon_silen(iWep2))	UTIL_PlayWeaponAnimation(id, 5)
		if(!cs_get_weapon_silen(iWep2))	UTIL_PlayWeaponAnimation(id, 12)
		set_pdata_float(id, m_flNextAttack, kriss_DRAW_TIME, PLAYER_LINUX_XTRA_OFF)
	}
	g_has_kriss[id] = true;
}
public zp_extra_item_selected(id, itemid)
{
	if(itemid != g_itemid_kriss)
		return;

	give_kriss(id)
}

public fw_kriss_AddToPlayer(kriss, id)
{
	if(!is_valid_ent(kriss) || !is_user_connected(id))
		return HAM_IGNORED;
	
	if(entity_get_int(kriss, EV_INT_WEAPONKEY) == kriss_WEAPONKEY)
	{
		g_has_kriss[id] = true
		
		entity_set_int(kriss, EV_INT_WEAPONKEY, 0)
		
		return HAM_HANDLED;
	}
	
	return HAM_IGNORED;
}

public fw_UseStationary_Post(entity, caller, activator, use_type)
{
	if (use_type == USE_STOPPED && is_user_connected(caller))
		replace_weapon_models(caller, get_user_weapon(caller))
}

public fw_Item_Deploy_Post(weapon_ent)
{
	static owner
	owner = fm_cs_get_weapon_ent_owner(weapon_ent)
	
	static weaponid
	weaponid = cs_get_weapon_id(weapon_ent)
	
	replace_weapon_models(owner, weaponid)
}

replace_weapon_models(id, weaponid)
{
	if(!is_user_alive(id) || zp_get_user_zombie(id) || get_user_weapon(id) != CSW_M4A1 || !g_has_kriss[id])
		return;

	switch (weaponid)
	{
		case CSW_M4A1:
		{
			if (zp_get_user_zombie(id) || zp_get_user_survivor(id))
				return;
			
			if(g_has_kriss[id])
			{
				set_pev(id, pev_viewmodel2, kriss_V_MODEL)
				set_pev(id, pev_weaponmodel2, kriss_P_MODEL)
				if(oldweap[id] != CSW_M4A1) 
				{
					new iWep2 = find_ent_by_owner ( -1, "weapon_m4a1", id )
					if(cs_get_weapon_silen(iWep2))	UTIL_PlayWeaponAnimation(id, 5)
					if(!cs_get_weapon_silen(iWep2))	UTIL_PlayWeaponAnimation(id, 12)
					set_pdata_float(id, m_flNextAttack, kriss_DRAW_TIME, PLAYER_LINUX_XTRA_OFF)
				}
			}
		}
	}
	oldweap[id] = weaponid
}

public fw_UpdateClientData_Post(Player, SendWeapons, CD_Handle)
{
        if(!is_user_alive(Player) || (get_user_weapon(Player) != CSW_M4A1) || !g_has_kriss[Player])
        return FMRES_IGNORED
	
	set_cd(CD_Handle, CD_flNextAttack, halflife_time () + 0.001)
	return FMRES_HANDLED
}

public fw_kriss_PrimaryAttack(Weapon)
{
	new id = get_pdata_cbase(Weapon, 41, 4)
	
	if(!is_user_alive(id) || zp_get_user_zombie(id) || get_user_weapon(id) != CSW_M4A1 || !g_has_kriss[id])
		return;
	
	pev(id,pev_punchangle,cl_pushangle[id])
	
	g_clip_ammo[id] = cs_get_weapon_ammo(Weapon)
}

public fwPlaybackEvent(flags, invoker, eventid, Float:delay, Float:origin[3], Float:angles[3], Float:fparam1, Float:fparam2, iParam1, iParam2, bParam1, bParam2)
{
	if ((eventid != g_orig_event_kriss))
		return FMRES_IGNORED
	if (!(1 <= invoker <= g_MaxPlayers))
		return FMRES_IGNORED

	playback_event(flags | FEV_HOSTONLY, invoker, eventid, delay, origin, angles, fparam1, fparam2, iParam1, iParam2, bParam1, bParam2)
	return FMRES_SUPERCEDE
}

public fw_kriss_PrimaryAttack_Post(Weapon)
{
	new Player = get_pdata_cbase(Weapon, 41, 4)
	new id = Player

	new szClip, szAmmo
	get_user_weapon(Player, szClip, szAmmo)

	if(!is_user_alive(id) || zp_get_user_zombie(id) || get_user_weapon(id) != CSW_M4A1)
		return;

	if(szClip <= 0)
		return;

	if(!g_has_kriss[Player])
	{
		if(cs_get_weapon_silen(Weapon)) emit_sound(Player, CHAN_WEAPON, "weapons/m4a1-1.wav", VOL_NORM, ATTN_NORM, 0, PITCH_NORM)
		if(!cs_get_weapon_silen(Weapon)) emit_sound(Player, CHAN_WEAPON, "weapons/m4a1_unsil-1.wav", VOL_NORM, ATTN_NORM, 0, PITCH_NORM)
	}
	
	if(g_has_kriss[Player])
	{
		new Float:push[3]
		pev(Player,pev_punchangle,push)
		xs_vec_sub(push,cl_pushangle[Player],push)
		
		xs_vec_mul_scalar(push,get_pcvar_float(cvar_recoil_kriss),push)
		xs_vec_add(push,cl_pushangle[Player],push)
		set_pev(Player,pev_punchangle,push)

		if(cs_get_weapon_silen(Weapon)) UTIL_PlayWeaponAnimation(Player, random_num(1,3))
		if(!cs_get_weapon_silen(Weapon)) UTIL_PlayWeaponAnimation(Player, 7+ random_num(1,3))
		if(cs_get_weapon_silen(Weapon)) emit_sound(Player, CHAN_WEAPON, "weapons/kriss_sil-1.wav", VOL_NORM, ATTN_NORM, 0, PITCH_NORM)
		if(!cs_get_weapon_silen(Weapon)) 
		{
			new num = random_num(1,2)
			if(num == 1) emit_sound(Player, CHAN_WEAPON, "weapons/kriss-1.wav", VOL_NORM, ATTN_NORM, 0, PITCH_NORM)
			if(num == 2) emit_sound(Player, CHAN_WEAPON, "weapons/kriss-1.wav", VOL_NORM, ATTN_NORM, 0, PITCH_NORM)			
		}
	}
}

public fw_TakeDamage(victim, inflictor, attacker, Float:damage)
{
	if (victim != attacker && is_user_connected(attacker))
	{
		if(get_user_weapon(attacker) == CSW_M4A1)
		{
			if(g_has_kriss[attacker])
				SetHamParamFloat(4, damage * get_pcvar_float(cvar_dmg_kriss))
		}
	}
}

public message_DeathMsg(msg_id, msg_dest, id)
{
	static szTruncatedWeapon[33], iAttacker, iVictim
	
	get_msg_arg_string(4, szTruncatedWeapon, charsmax(szTruncatedWeapon))
	
	iAttacker = get_msg_arg_int(1)
	iVictim = get_msg_arg_int(2)
	
	if(!is_user_connected(iAttacker) || iAttacker == iVictim)
		return PLUGIN_CONTINUE
	
	if(equal(szTruncatedWeapon, "m4a1") && get_user_weapon(iAttacker) == CSW_M4A1)
	{
		if(g_has_kriss[iAttacker])
			set_msg_arg_string(4, "m4a1")
	}
		
	return PLUGIN_CONTINUE
}

public kriss__ItemPostFrame(weapon_entity) {
	new id = pev(weapon_entity, pev_owner)
	if (!is_user_connected(id))
		return HAM_IGNORED;

	if (!g_has_kriss[id])
		return HAM_IGNORED;

	new Float:flNextAttack = get_pdata_float(id, m_flNextAttack, PLAYER_LINUX_XTRA_OFF)

	new iBpAmmo = cs_get_user_bpammo(id, CSW_M4A1);
	new iClip = get_pdata_int(weapon_entity, m_iClip, WEAP_LINUX_XTRA_OFF)

	new fInReload = get_pdata_int(weapon_entity, m_fInReload, WEAP_LINUX_XTRA_OFF) 

	if( fInReload && flNextAttack <= 0.0 )
	{
		new j = min(get_pcvar_num(cvar_clip_kriss) - iClip, iBpAmmo)
	
		set_pdata_int(weapon_entity, m_iClip, iClip + j, WEAP_LINUX_XTRA_OFF)
		cs_set_user_bpammo(id, CSW_M4A1, iBpAmmo-j);
		
		set_pdata_int(weapon_entity, m_fInReload, 0, WEAP_LINUX_XTRA_OFF)
		fInReload = 0
	}

	return HAM_IGNORED;
}

public client_connect(id)	
{
	g_has_kriss[id] = false
	g_hasZoom[id] = false
}

public client_disconnect(id) 
{
	g_has_kriss[id] = false
	g_hasZoom[id] = false
}

public plugin_natives () register_native("give_weapon_kriss", "native_give_weapon", 1)

public native_give_weapon(id) give_kriss(id)

public zp_user_infected_post(id)	
{
	g_has_kriss[id] = false
	g_hasZoom[id] = false
}

public CurrentWeapon(id) replace_weapon_models(id, read_data(2))

stock fm_cs_get_current_weapon_ent(id)
{
	return get_pdata_cbase(id, OFFSET_ACTIVE_ITEM, OFFSET_LINUX);
}

stock fm_cs_get_weapon_ent_owner(ent)
{
	return get_pdata_cbase(ent, OFFSET_WEAPONOWNER, OFFSET_LINUX_WEAPONS);
}

stock UTIL_PlayWeaponAnimation(const Player, const Sequence)
{
	set_pev(Player, pev_weaponanim, Sequence)
	
	message_begin(MSG_ONE_UNRELIABLE, SVC_WEAPONANIM, .player = Player)
	write_byte(Sequence)
	write_byte(pev(Player, pev_body))
	message_end()
}

public kriss__Reload(weapon_entity) {
	new id = pev(weapon_entity, pev_owner)
	if (!is_user_connected(id))
		return HAM_IGNORED;

	if (!g_has_kriss[id])
		return HAM_IGNORED;

	g_kriss_TmpClip[id] = -1;

	new iBpAmmo = cs_get_user_bpammo(id, CSW_M4A1);
	new iClip = get_pdata_int(weapon_entity, m_iClip, WEAP_LINUX_XTRA_OFF)

	if (iBpAmmo <= 0)
		return HAM_SUPERCEDE;

	if (iClip >= get_pcvar_num(cvar_clip_kriss))
		return HAM_SUPERCEDE;


	g_kriss_TmpClip[id] = iClip;

	return HAM_IGNORED;
}

public kriss__Reload_Post(weapon_entity) {
	new id = pev(weapon_entity, pev_owner)
	if (!is_user_connected(id))
		return HAM_IGNORED;

	if (!g_has_kriss[id])
		return HAM_IGNORED;

	if (g_kriss_TmpClip[id] == -1)
		return HAM_IGNORED;

	set_pdata_int(weapon_entity, m_iClip, g_kriss_TmpClip[id], WEAP_LINUX_XTRA_OFF)

	set_pdata_float(weapon_entity, m_flTimeWeaponIdle, kriss_RELOAD_TIME   , WEAP_LINUX_XTRA_OFF)

	set_pdata_float(id, m_flNextAttack, kriss_RELOAD_TIME   , PLAYER_LINUX_XTRA_OFF)

	set_pdata_int(weapon_entity, m_fInReload, 1, WEAP_LINUX_XTRA_OFF)

	// relaod animation
	if(cs_get_weapon_silen(weapon_entity))	UTIL_PlayWeaponAnimation(id, 4)
	if(!cs_get_weapon_silen(weapon_entity))	UTIL_PlayWeaponAnimation(id, 11)

	return HAM_IGNORED;
}

stock drop_weapons(id, dropwhat)
{
	static weapons[32], num, i, weaponid
	num = 0
	get_user_weapons(id, weapons, num)
     
	for (i = 0; i < num; i++)
	{
		weaponid = weapons[i]
          
		if (dropwhat == 1 && ((1<<weaponid) & PRIMARY_WEAPONS_BIT_SUM))
		{
			static wname[32]
			get_weaponname(weaponid, wname, sizeof wname - 1)
			engclient_cmd(id, "drop", wname)
		}
	}
}

public fw_CmdStart(id, uc_handle, seed)
{
	if(!is_user_alive(id)) 
		return PLUGIN_HANDLED
	
	if((get_uc(uc_handle, UC_Buttons)&IN_USE)&&!(pev(id, pev_oldbuttons)&IN_USE))
	{
		if(get_user_weapon(id) == CSW_M4A1 && !g_hasZoom[id])
		{
			if(g_has_kriss[id])
			{
				g_hasZoom[id] = true
				cs_set_user_zoom(id, CS_SET_AUGSG552_ZOOM, 1)
				emit_sound(id, CHAN_ITEM, "weapons/zoom.wav", 0.20, 2.40, 0, 100)
			}
		}
		else if(get_user_weapon(id) == CSW_M4A1 && g_hasZoom[id])
		{
			if(g_has_kriss[id])
			{
				g_hasZoom[id] = false
				cs_set_user_zoom(id, CS_RESET_ZOOM, 0)
				emit_sound(id, CHAN_ITEM, "weapons/zoom.wav", 0.20, 2.40, 0, 100)
			}
		}
	}

	if(g_hasZoom[id] && (pev(id, pev_button) & IN_RELOAD) || get_user_weapon(id) == CSW_KNIFE)
	{
		g_hasZoom[id] = false
		cs_set_user_zoom(id, CS_RESET_ZOOM, 0)
	}

	return PLUGIN_HANDLED
}

stock get_speed_vector(const Float:origin1[3],const Float:origin2[3],Float:speed, 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(speed*speed / (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;
} 

