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#include <amxmodx>
#include <fakemeta>
#include <fakemeta_util>
#include <fun>
#include <hamsandwich>
#include <cstrike>
#include <colorchat>

#define is_valid_player(%1) (1 <= %1 <= 32)

#define ZOOM
#define WK 3333

new const AK47_BIT_SUM = (1<<CSW_AK47)

new AK_V_MODEL[64] = "models/v_golden_ak47.mdl"
new AK_P_MODEL[64] = "models/p_golden_ak47.mdl"
new AK_W_MODEL[64] = "models/w_golden_ak47.mdl"

new g_hasZoom[33], gold_damage, golden_model, goldak_cost
new bool:g_HasAk[33]

public plugin_init() {
	register_plugin("GoldenAK47 Remake ", "1.1", "Alienware")
	register_clcmd("say /goldenak", "cmdGoldenAk")
	
	gold_damage = register_cvar("goldenak_dmg", "5")
	golden_model = register_cvar("goldenak_custommodel", "1")
	goldak_cost = register_cvar("goldenak_cost", "3000")
       
	register_event("WeapPickup", "checkModel", "b","1=19")
	register_event("CurWeapon", "checkWeapon", "be","1=1")

	RegisterHam(Ham_TakeDamage, "player", "fw_TakeDamage")
	RegisterHam(Ham_Item_AttachToPlayer, "weapon_ak47", "AttachToPlayer")
	
	#if defined ZOOM
	register_forward(FM_CmdStart, "fw_CmdStart")
	#endif
	register_forward(FM_SetModel, "fw_SetModel") 
}
 
public client_connect(id)
	g_HasAk[id] = false
 
public client_disconnect(id)
	g_HasAk[id] = false

public plugin_precache() {
	precache_model(AK_V_MODEL)
	precache_model(AK_P_MODEL)
	precache_model(AK_W_MODEL)
	precache_sound("weapons/zoom.wav")
}

public cmdGoldenAk(id) {
	if(!is_user_alive(id)) return
	
	new money = cs_get_user_money(id)
	
	if(money < get_pcvar_num(goldak_cost)) {
		ColorChat(id, GREEN, "^x01У вас недостаточно денег")
		return
	}
	
	drop_weapon(id, 1)                
	give_item(id, "weapon_ak47")
	cs_set_user_bpammo(id, CSW_AK47, 90)
	cs_set_user_money(id, money - get_pcvar_num(goldak_cost))
	ColorChat(id, GREEN, "^x01[^x04Сервер^x01] Вы купили^x04 Gold AK-47")
	g_HasAk[id] = true
}

public checkModel(id) {      
	new szWeapID = read_data(2)
       
	if(szWeapID == CSW_AK47 && g_HasAk[id] == true && get_pcvar_num(golden_model) == 1) {
		set_pev(id, pev_viewmodel2, AK_V_MODEL)
		set_pev(id, pev_weaponmodel2, AK_P_MODEL)
	}
	return PLUGIN_HANDLED
}

public checkWeapon(id) {
	new plrWeapId 
	plrWeapId = get_user_weapon(id)

	if (plrWeapId == CSW_AK47 && g_HasAk[id])
		checkModel(id)
	else
		return PLUGIN_CONTINUE
	
	return PLUGIN_HANDLED
}

public fw_Item_AttachToPlayer(ent, id) {
	if(pev_valid(ent) != 2 || !is_user_alive(id) )
		return HAM_IGNORED
 
	if(pev(ent, pev_impulse) == WK)
		g_HasAk[id] = true
 
	return HAM_IGNORED
}

public fw_TakeDamage(victim, inflictor, attacker, Float:damage) {
	if(is_valid_player(attacker) && get_user_weapon(attacker) == CSW_AK47 && g_HasAk[attacker])
		SetHamParamFloat(4, damage * get_pcvar_float(gold_damage))
}

#if defined ZOOM
public fw_CmdStart( id, uc_handle, seed ) {
	if(!is_user_alive(id))
		return PLUGIN_HANDLED
       
	if((get_uc(uc_handle, UC_Buttons) & IN_ATTACK2) && !( pev(id, pev_oldbuttons) & IN_ATTACK2)) {
		new szWeapID = get_user_weapon(id)

		if(szWeapID == CSW_AK47 && g_HasAk[id] == true && !g_hasZoom[id] == true) {
			g_hasZoom[id] = true
			cs_set_user_zoom(id, CS_SET_AUGSG552_ZOOM, 0)
			emit_sound(id, CHAN_ITEM, "weapons/zoom.wav", 0.20, 2.40, 0, 100)
		} else if(szWeapID == CSW_AK47 && g_HasAk[id] == true && g_hasZoom[id]) {
			g_hasZoom[id] = false
			cs_set_user_zoom(id, CS_RESET_ZOOM, 0)         
		}
	}
	return PLUGIN_HANDLED
}
#endif

public fw_SetModel(entity, model[]) {
	if(!pev_valid(entity))
		return FMRES_IGNORED
    
	static szClassName[33]
	pev(entity, pev_classname, szClassName, charsmax(szClassName))
    
	if(!equal(szClassName, "weaponbox"))
		return FMRES_IGNORED
    
	static id
	id = pev(entity, pev_owner)
    
	if(equal(model, "models/w_ak47.mdl")) {
		static weapon
		weapon = fm_find_ent_by_owner(-1, "weapon_ak47", entity)
       
		if(!pev_valid(weapon))
			return FMRES_IGNORED
       
		if(g_HasAk[id]) {
			set_pev(weapon, pev_impulse, 1942)
			engfunc(EngFunc_SetModel, entity, AK_W_MODEL)
			return FMRES_SUPERCEDE
		}
	}
	return FMRES_IGNORED
}

stock drop_weapon(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) & AK47_BIT_SUM))) {
			static wname[32]
			get_weaponname(weaponid, wname, charsmax(wname))
			engclient_cmd(id, "drop", wname)
		}
	}
}