/*
*	-------------------------------------
*	-----[ZP] Heavy Tank Zombie Class----
*	-------------------------------------
*	--------Author: 4eRT (aka pff)-------
*	-------------------------------------
*		About:
*	Made at dimon4g's idea and request.
*	-------------------------------------
*		Credits:
*	- dimon4g - for idea.
*	-------------------------------------
*		Cvars:
*	zp_heavy_tank_give_ap 1 //how many ammo packs will be given? def=1
*	zp_heavy_tank_give_ap_freq 15 //how often ammo packs will be given(sec)? def=15.0
*	zp_heavy_tank_give_hp 5 //how many health will be given? def=5
*	zp_heavy_tank_give_hp_freq 7 //how often hp will be given(sec)? def=7.0
*	zp_heavy_tank_aura_radius 15.0 //radius of aura. def=15
*	zp_heavy_tank_aura_red 215 // amount of red color(0-255). def=215
*	zp_heavy_tank_aura_green 255 // amount of green color(0-255). def=255
*	zp_heavy_tank_aura_blue 0 // amount of blue color(0-255). def=0
*	-------------------------------------
*		History:
*	0.1 (27.03.09)
*		First release. Adds 1(cvar) AP every 15(cvar) sec.
*	0.2 (27.03.09)
*		Restore 5(cvar) HP every 7(cvar) sec if health < maximum HP. Fun module required.
*	0.3 (27.03.09)
*		Added customizable aura.
*	0.4 (03.04.09)
*		Fixed bug (after humanizing or choosing another class Heavy Tank powers remains)
*/	

#include <amxmodx>
#include <fakemeta>
#include <zombieplague>
#include <fun>

new g_heavy_tank
// Heavy Tank Zombie Attributes
new const zclass_name[] = { "Heavy Tank Zombie" }
new const zclass_info[] = { "HP+++ Knockback-- Speed-" }
new const zclass_model[] = { "zombie_strong" }
new const zclass_clawmodel[] = { "v_knife_zombie.mdl" }
const zclass_health = 5000
const zclass_speed = 150
const Float:zclass_gravity = 1.0
const Float:zclass_knockback = 0.4

public plugin_precache()
{
	register_plugin("[ZP] Heavy Tank Zombie", "0.4", "4eRT")
	register_cvar("zp_heavy_tank_give_ap", "1")
	register_cvar("zp_heavy_tank_give_ap_freq", "15.0")
	register_cvar("zp_heavy_tank_give_hp", "5")
	register_cvar("zp_heavy_tank_give_hp_freq", "7.0")
	register_cvar("zp_heavy_tank_aura_radius", "15.0")
	register_cvar("zp_heavy_tank_aura_red", "215")
	register_cvar("zp_heavy_tank_aura_green", "255")
	register_cvar("zp_heavy_tank_aura_blue", "0")
	g_heavy_tank = zp_register_zombie_class(zclass_name, zclass_info, zclass_model, zclass_clawmodel, zclass_health, zclass_speed, zclass_gravity, zclass_knockback)
}

public zp_user_infected_post(id, infector)
{
	if (zp_get_user_zombie_class(id) == g_heavy_tank)
	{
		set_task(get_cvar_float("zp_heavy_tank_give_ap_freq"), "AddAP", id, _, _, "b")
		set_task(get_cvar_float("zp_heavy_tank_give_hp_freq"), "AddHP", id, _, _, "b")
		set_task(0.1, "Aura", id, _, _, "b")
	}
}

public AddAP(id)
{
	if (zp_get_user_zombie(id)) {
		if (zp_get_user_zombie_class(id) == g_heavy_tank) {		
			if (!is_user_alive(id))
				return PLUGIN_HANDLED
		
			new user_ap = zp_get_user_ammo_packs(id)
			new give_ap = get_cvar_num("zp_heavy_tank_give_ap")
	
			zp_set_user_ammo_packs(id, user_ap + give_ap)
		} else {
			remove_task(id)
		}
	} else {
		remove_task(id)
	}
	
	return PLUGIN_CONTINUE
}

public AddHP(id)
{
	if (zp_get_user_zombie(id)) {
		if (zp_get_user_zombie_class(id) == g_heavy_tank) {
			new cur_hp = get_user_health(id)
			new am_hp = get_cvar_num("zp_heavy_tank_give_hp")
			new max_hp = zp_get_zombie_maxhealth(id)
	
			if (cur_hp < max_hp) {
			set_user_health(id, cur_hp + am_hp)
			} else {
				return PLUGIN_HANDLED
			}
		} else {
			remove_task(id)
		}
	} else {
		remove_task(id)
	}
	
	return PLUGIN_CONTINUE
}

public Aura(id)
{
	if (zp_get_user_zombie(id)) {
		if (zp_get_user_zombie_class(id) == g_heavy_tank) {		
			if (!is_user_alive(id))
				return PLUGIN_HANDLED

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

			engfunc(EngFunc_MessageBegin, MSG_PVS, SVC_TEMPENTITY, originF, 0)
			write_byte(TE_DLIGHT)
			engfunc(EngFunc_WriteCoord, originF[0])
			engfunc(EngFunc_WriteCoord, originF[1])
			engfunc(EngFunc_WriteCoord, originF[2])
			write_byte(get_cvar_num("zp_heavy_tank_aura_radius"))
			write_byte(get_cvar_num("zp_heavy_tank_aura_red"))
			write_byte(get_cvar_num("zp_heavy_tank_aura_green"))
			write_byte(get_cvar_num("zp_heavy_tank_aura_blue"))
			write_byte(2)
			write_byte(0)
			message_end()
		} else {
			remove_task(id)
		}
	} else {
		remove_task(id)
	}
	
	return PLUGIN_CONTINUE
}