/*================================================================================
[ZP] Extra Item: Sawn-Off Shotgun
Copyright (C) 2009 by meTaLiCroSS
Request maded by Clear
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
In addition, as a special exception, the author gives permission to
link the code of this program with the Half-Life Game Engine ("HL
Engine") and Modified Game Libraries ("MODs") developed by Valve,
L.L.C ("Valve"). You must obey the GNU General Public License in all
respects for all of the code used other than the HL Engine and MODs
from Valve. If you modify this file, you may extend this exception
to your version of the file, but you are not obligated to do so. If
you do not wish to do so, delete this exception statement from your
version.
=================================================================================*/
#include <amxmodx>
#include <fakemeta>
#include <engine>
#include <hamsandwich>
#include <xs>
#include <zombieplague>
/*================================================================================
[Customization]
=================================================================================*/
// Item Cost
new const g_SawnOff_Cost = 30
// Models
new const sawnoff_model_v[] = "models/v_sawn_off_shotgun.mdl"
new const sawnoff_model_p[] = "models/p_sawn_off_shotgun.mdl"
new const sawnoff_model_w[] = "models/w_sawn_off_shotgun.mdl"
// ---------------------------------------------------------------
// ------------------ Customization ends here!! ------------------
// ---------------------------------------------------------------
// Offsets
#if cellbits == 32
const OFFSET_CLIPAMMO = 51
#else
const OFFSET_CLIPAMMO = 65
#endif
const OFFSET_LINUX = 5
const OFFSET_LINUX_WEAPONS = 4
const OFFSET_LASTPRIMARYITEM = 368
// Version
#define VERSION "0.4.5"
// Arrays
new g_sawnoff_shotgun[33], g_currentweapon[33]
// Variables
new g_SawnOff, g_MaxPlayers
// Cvar Pointers
new cvar_enable, cvar_oneround, cvar_knockback, cvar_knockbackpower, cvar_uclip, cvar_damage
/*================================================================================
[Init and Precache]
=================================================================================*/
public plugin_init()
{
// Plugin Info
register_plugin("[ZP] Extra Item: Sawn-Off Shotgun", VERSION, "meTaLiCroSS")
// Ham Forwards
RegisterHam(Ham_TakeDamage, "player", "fw_TakeDamage")
RegisterHam(Ham_TraceAttack, "player", "fw_TraceAttack")
RegisterHam(Ham_Killed, "player", "fw_PlayerKilled")
// Fakemeta Forwards
register_forward(FM_SetModel, "fw_SetModel")
// Event: Round Start
register_event("HLTV", "event_round_start", "a", "1=0", "2=0")
// Message: Cur Weapon
register_message(get_user_msgid("CurWeapon"), "message_cur_weapon")
// CVARS
register_cvar("zp_extra_sawnoff", VERSION, FCVAR_SERVER|FCVAR_SPONLY)
cvar_enable = register_cvar("zp_sawnoff_enable", "1")
cvar_uclip = register_cvar("zp_sawnoff_unlimited_clip", "1")
cvar_damage = register_cvar("zp_sawnoff_damage_mult", "4.0")
cvar_oneround = register_cvar("zp_sawnoff_oneround", "0")
cvar_knockback = register_cvar("zp_sawnoff_knockback", "1")
cvar_knockbackpower = register_cvar("zp_sawnoff_kbackpower", "10.0")
// Variables
g_MaxPlayers = get_maxplayers()
g_SawnOff = zp_register_extra_item("Sawn-Off Shotgun", g_SawnOff_Cost, ZP_TEAM_HUMAN)
}
public plugin_precache()
{
// Precaching models
precache_model(sawnoff_model_v)
precache_model(sawnoff_model_p)
precache_model(sawnoff_model_w)
}
/*================================================================================
[Main Functions]
=================================================================================*/
// Round Start Event
public event_round_start()
{
// Get all the players
for(new id = 1; id <= g_MaxPlayers; id++)
{
// Check
if(get_pcvar_num(cvar_oneround) || !get_pcvar_num(cvar_enable))
{
// Striping Sawn Off
if(g_sawnoff_shotgun[id])
{
g_sawnoff_shotgun[id] = false;
ham_strip_weapon(id, "weapon_m3")
}
}
}
}
// Message Current Weapon
public message_cur_weapon(msg_id, msg_dest, id)
{
// Doesn't have a Sawn Off
if (!g_sawnoff_shotgun[id])
return PLUGIN_CONTINUE
// Isn't alive / not active weapon
if (!is_user_alive(id) || get_msg_arg_int(1) != 1)
return PLUGIN_CONTINUE
// Get Weapon Clip
new clip = get_msg_arg_int(3)
// Update Weapon Array
g_currentweapon[id] = get_msg_arg_int(2) // get weapon ID
// Weapon isn't M3
if(g_currentweapon[id] != CSW_M3)
return PLUGIN_CONTINUE;
// Replace Models
entity_set_string(id, EV_SZ_viewmodel, sawnoff_model_v)
entity_set_string(id, EV_SZ_weaponmodel, sawnoff_model_p)
// Check cvar
if(get_pcvar_num(cvar_uclip))
{
// Set Ammo HUD in 8
set_msg_arg_int(3, get_msg_argtype(3), 8)
// Check clip if more than 2
if (clip < 2)
{
// Update weapon ammo
fm_set_weapon_ammo(find_ent_by_owner(-1, "weapon_m3", id), 8)
}
}
return PLUGIN_CONTINUE;
}
// Touch fix (when user drop the Sawn off, already has the Sawn off.
public touch_fix(id)
{
if(g_sawnoff_shotgun[id])
g_sawnoff_shotgun[id] = false;
}
/*================================================================================
[Main Forwards]
=================================================================================*/
public fw_PlayerKilled(victim, attacker, shouldgib)
{
// Victim has a Sawn off
if(g_sawnoff_shotgun[victim])
g_sawnoff_shotgun[victim] = false;
}
public fw_SetModel(entity, model[])
{
// Entity is not valid
if(!is_valid_ent(entity))
return FMRES_IGNORED;
// Entity model is not a M3
if(!equali(model, "models/w_m3.mdl"))
return FMRES_IGNORED;
// Get owner and entity classname
new owner = entity_get_edict(entity, EV_ENT_owner)
new classname[33]
entity_get_string(entity, EV_SZ_classname, classname, charsmax(classname))
// Entity classname is a weaponbox
if(equal(classname, "weaponbox"))
{
// The weapon owner has a Sawn Off
if(g_sawnoff_shotgun[owner])
{
// Striping Sawn off and set New Model
g_sawnoff_shotgun[owner] = false;
entity_set_model(entity, sawnoff_model_w)
set_task(0.1, "touch_fix", owner)
return FMRES_SUPERCEDE
}
}
return FMRES_IGNORED
}
public fw_TakeDamage(victim, inflictor, attacker, Float:damage, damage_type)
{
// Attacker isn't a Player (1 in 32)
if(!(1 <= attacker <= g_MaxPlayers))
return HAM_IGNORED;
// Attacker's weapon isn't a M3
if(g_currentweapon[attacker] != CSW_M3)
return HAM_IGNORED;
// User doesn't have a Sawn Off
if(!g_sawnoff_shotgun[attacker])
return HAM_IGNORED;
SetHamParamFloat(4, damage * get_pcvar_float(cvar_damage) )
return HAM_IGNORED;
}
public fw_TraceAttack(victim, attacker, Float:damage, Float:direction[3], tracehandle, damage_type)
{
// Player is allowed to make a Knockback
if(!allowed_knockback(victim, attacker))
return HAM_IGNORED;
// Check damage type
if(!(damage_type & DMG_BULLET))
return HAM_IGNORED;
// Make Knockback...
new Float:velocity[3]; pev(victim, pev_velocity, velocity)
xs_vec_mul_scalar(direction, get_pcvar_float(cvar_knockbackpower), direction)
xs_vec_add(velocity, direction, direction)
entity_set_vector(victim, EV_VEC_velocity, direction)
return HAM_IGNORED;
}
public pfn_touch(entity, toucher)
{
new model[33], toucherclass[33], entityclass[33]
// Get toucher Classname
if((toucher > 0) && is_valid_ent(toucher)) entity_get_string(toucher, EV_SZ_classname, toucherclass, charsmax(toucherclass))
// Get entity Classname
if((entity > 0) && is_valid_ent(entity)) entity_get_string(entity, EV_SZ_classname, entityclass, charsmax(entityclass))
// Now check if is a Weapon and is a Player
if(equali(toucherclass, "player") && equali(entityclass, "weaponbox"))
{
// Get Model
entity_get_string(entity, EV_SZ_model, model, charsmax(model))
// Check Model
if(equali(model, sawnoff_model_w))
if(allowed_touch(toucher)) // Player is allowed to pickup the weapon
g_sawnoff_shotgun[toucher] = true // Set Weapon
}
}
/*================================================================================
[Internal Functions]
=================================================================================*/
allowed_knockback(victim, attacker)
{
// Obviously, doesn't is allowed to be Knockbacked (WTF)
if(!g_sawnoff_shotgun[attacker] || !get_pcvar_num(cvar_knockback) || g_currentweapon[attacker] != CSW_M3 || !zp_get_user_zombie(victim))
return false;
return true;
}
allowed_touch(toucher)
{
// Can't touch the Weapon
if(zp_get_user_survivor(toucher) || zp_get_user_zombie(toucher) || fm_get_user_lastprimaryitem(toucher) || g_sawnoff_shotgun[toucher])
return false;
return true;
}
/*================================================================================
[Zombie Plague Forwards]
=================================================================================*/
public zp_extra_item_selected(id, itemid)
{
// Item is the Sawn-Off
if(itemid == g_SawnOff)
{
if(!get_pcvar_num(cvar_enable))
{
zp_set_user_ammo_packs(id, zp_get_user_ammo_packs(id) + g_SawnOff_Cost)
client_print(id, print_chat, "[ZP] The Sawn-Off Shotgun is Disabled")
return;
}
// Already has an M3
if(g_sawnoff_shotgun[id] && user_has_weapon(id, CSW_M3))
{
zp_set_user_ammo_packs(id, zp_get_user_ammo_packs(id) + g_SawnOff_Cost)
client_print(id, print_chat, "[ZP] You already have a Sawn-Off Shotgun")
return;
}
// Array
g_sawnoff_shotgun[id] = true
// Weapon
ham_give_weapon(id, "weapon_m3")
// Message
client_print(id, print_chat, "[ZP] You now have a Sawn-Off Shotgun")
}
}
public zp_user_infected_post(infected, infector)
{
// Infected has a M3
if(g_sawnoff_shotgun[infected])
g_sawnoff_shotgun[infected] = false;
}
public zp_user_humanized_post(player)
{
// Is Survivor
if(zp_get_user_survivor(player) && g_sawnoff_shotgun[player])
g_sawnoff_shotgun[player] = false;
}
/*================================================================================
[Stocks]
=================================================================================*/
stock ham_give_weapon(id, weapon[])
{
if(!equal(weapon,"weapon_",7))
return 0
new wEnt = create_entity(weapon)
if(!is_valid_ent(wEnt))
return 0
entity_set_int(wEnt, EV_INT_spawnflags, SF_NORESPAWN)
DispatchSpawn(wEnt)
if(!ExecuteHamB(Ham_AddPlayerItem,id,wEnt))
{
if(is_valid_ent(wEnt)) entity_set_int(wEnt, EV_INT_flags, entity_get_int(wEnt, EV_INT_flags) | FL_KILLME)
return 0
}
ExecuteHamB(Ham_Item_AttachToPlayer,wEnt,id)
return 1
}
stock ham_strip_weapon(id, weapon[])
{
if(!equal(weapon,"weapon_",7))
return 0
new wId = get_weaponid(weapon)
if(!wId) return 0
new wEnt
while((wEnt = find_ent_by_class(wEnt, weapon)) && entity_get_edict(wEnt, EV_ENT_owner) != id) {}
if(!wEnt) return 0
if(get_user_weapon(id) == wId)
ExecuteHamB(Ham_Weapon_RetireWeapon,wEnt);
if(!ExecuteHamB(Ham_RemovePlayerItem,id,wEnt))
return 0
ExecuteHamB(Ham_Item_Kill, wEnt)
entity_set_int(id, EV_INT_weapons, entity_get_int(id, EV_INT_weapons) & ~(1<<wId))
return 1
}
stock fm_set_weapon_ammo(entity, amount)
{
set_pdata_int(entity, OFFSET_CLIPAMMO, amount, OFFSET_LINUX_WEAPONS);
}
stock fm_get_user_lastprimaryitem(id) // Thanks to joaquimandrade
{
if(get_pdata_cbase(id, OFFSET_LASTPRIMARYITEM) != -1)
return 1;
return 0;
}
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