amxmodx/modules/fun/fun.cpp

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// vim: set ts=4 sw=4 tw=99 noet:
//
// AMX Mod X, based on AMX Mod by Aleksander Naszko ("OLO").
// Copyright (C) The AMX Mod X Development Team.
//
// This software is licensed under the GNU General Public License, version 3 or higher.
// Additional exceptions apply. For full license details, see LICENSE.txt or visit:
// https://alliedmods.net/amxmodx-license
//
// Fun Module
//
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#include "fun.h"
#include <HLTypeConversion.h>
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HLTypeConversion TypeConversion;
CPlayers Players;
// native get_client_listen(receiver, sender)
static cell AMX_NATIVE_CALL get_client_listening(AMX *amx, cell *params)
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{
enum args { arg_count, arg_receiver, arg_sender };
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CHECK_PLAYER(params[arg_receiver]);
CHECK_PLAYER(params[arg_sender]);
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return GETCLIENTLISTENING(params[arg_receiver], params[arg_sender]);
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}
// native set_client_listen(receiver, sender, listen)
static cell AMX_NATIVE_CALL set_client_listening(AMX *amx, cell *params)
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{
enum args { arg_count, arg_receiver, arg_sender, arg_listen };
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CHECK_PLAYER(params[arg_receiver]);
CHECK_PLAYER(params[arg_sender]);
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return SETCLIENTLISTENING(params[arg_receiver], params[arg_sender], params[arg_listen]);
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}
// native set_user_godmode(index, godmode = 0)
static cell AMX_NATIVE_CALL set_user_godmode(AMX *amx, cell *params)
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{
enum args { arg_count, arg_user, arg_godmode };
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CHECK_PLAYER(params[arg_user]);
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const auto pPlayer = TypeConversion.id_to_edict(params[arg_user]);
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pPlayer->v.takedamage = params[arg_godmode] != 0 ? DAMAGE_NO : DAMAGE_AIM;
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return 1;
}
// native get_user_godmode(index)
static cell AMX_NATIVE_CALL get_user_godmode(AMX *amx, cell *params)
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{
enum args { arg_count, arg_user };
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CHECK_PLAYER(params[arg_user]);
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const auto pPlayer = TypeConversion.id_to_edict(params[arg_user]);
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return pPlayer->v.takedamage == DAMAGE_NO;
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}
// native give_item(index, const item[])
static cell AMX_NATIVE_CALL give_item(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index, arg_item };
CHECK_PLAYER(params[arg_index]);
auto itemLength = 0;
const auto item = MF_GetAmxString(amx, params[arg_item], 1, &itemLength);
if (!itemLength
||(strncmp(item, "weapon_", 7) != 0
&& strncmp(item, "ammo_", 5) != 0
&& strncmp(item, "item_", 5) != 0
&& strncmp(item, "tf_weapon_", 10) != 0))
{
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return 0;
}
auto pEntity = CREATE_NAMED_ENTITY(ALLOC_STRING(item));
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if (FNullEnt(pEntity))
{
MF_LogError(amx, AMX_ERR_NATIVE, "Item \"%s\" failed to create", item);
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return 0;
}
const auto pPlayer = TypeConversion.id_to_edict(params[arg_index]);
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pEntity->v.origin = pPlayer->v.origin;
pEntity->v.spawnflags |= SF_NORESPAWN;
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MDLL_Spawn(pEntity);
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const auto oldSolid = pEntity->v.solid;
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MDLL_Touch(pEntity, pPlayer);
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if (pEntity->v.solid == oldSolid)
{
REMOVE_ENTITY(pEntity); // The function did not fail - we're just deleting the item
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return -1;
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}
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return TypeConversion.edict_to_id(pEntity);
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}
// native spawn(index)
static cell AMX_NATIVE_CALL spawn(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index };
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CHECK_ENTITY(params[arg_index]);
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const auto pEntity = TypeConversion.id_to_edict(params[arg_index]);
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MDLL_Spawn(pEntity);
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return 1;
}
// native set_user_health(index, health)
static cell AMX_NATIVE_CALL set_user_health(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index, arg_health };
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CHECK_PLAYER(params[arg_index]);
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const auto pPlayer = TypeConversion.id_to_edict(params[arg_index]);
const auto health = float(params[arg_health]);
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if (health > 0.0f)
{
pPlayer->v.health = health;
}
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else
{
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MDLL_ClientKill(pPlayer);
}
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return 1;
}
// native set_user_frags(index, frags)
static cell AMX_NATIVE_CALL set_user_frags(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index, arg_frags };
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CHECK_PLAYER(params[arg_index]);
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const auto pPlayer = TypeConversion.id_to_edict(params[arg_index]);
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pPlayer->v.frags = float(params[arg_frags]);
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return 1;
}
// native set_user_armor(index, armor)
static cell AMX_NATIVE_CALL set_user_armor(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index, arg_armor };
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CHECK_PLAYER(params[arg_index]);
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const auto pPlayer = TypeConversion.id_to_edict(params[arg_index]);
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pPlayer->v.armorvalue = float(params[arg_armor]);
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return 1;
}
// native set_user_origin(index, const origin[3])
static cell AMX_NATIVE_CALL set_user_origin(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index, arg_origin };
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CHECK_PLAYER(params[arg_index]);
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auto pPlayer = TypeConversion.id_to_edict(params[arg_index]);
const auto pVector = MF_GetAmxAddr(amx, params[arg_origin]);
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SET_SIZE(pPlayer, pPlayer->v.mins, pPlayer->v.maxs);
SET_ORIGIN(pPlayer, Vector(float(pVector[0]), float(pVector[1]), float(pVector[2])));
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return 1;
}
// native set_user_rendering(index, fx = kRenderFxNone, r = 0, g = 0, b = 0, render = kRenderNormal, amount = 0)
static cell AMX_NATIVE_CALL set_user_rendering(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index, arg_fx, arg_red, arg_green, arg_blue, arg_render, arg_amount };
CHECK_PLAYER(params[arg_index]);
auto pPlayer = TypeConversion.id_to_edict(params[arg_index]);
pPlayer->v.renderfx = params[arg_fx];
pPlayer->v.rendercolor = Vector(float(params[arg_red]), float(params[arg_green]), float(params[arg_blue]));
pPlayer->v.rendermode = params[arg_render];
pPlayer->v.renderamt = float(params[arg_amount]);
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return 1;
}
// get_user_rendering(index, &fx = kRenderFxNone, &r = 0, &g = 0, &b = 0, &render = kRenderNormal, &amount = 0);
static cell AMX_NATIVE_CALL get_user_rendering(AMX *amx, cell *params)
{
enum args { arg_count, arg_index, arg_fx, arg_red, arg_green, arg_blue, arg_render, arg_amount };
CHECK_PLAYER(params[arg_index]);
auto pPlayer = TypeConversion.id_to_edict(params[arg_index]);
*MF_GetAmxAddr(amx, params[arg_fx]) = pPlayer->v.renderfx;
*MF_GetAmxAddr(amx, params[arg_red]) = pPlayer->v.rendercolor[0];
*MF_GetAmxAddr(amx, params[arg_green]) = pPlayer->v.rendercolor[1];
*MF_GetAmxAddr(amx, params[arg_blue]) = pPlayer->v.rendercolor[2];
*MF_GetAmxAddr(amx, params[arg_render]) = pPlayer->v.rendermode;
*MF_GetAmxAddr(amx, params[arg_amount]) = pPlayer->v.renderamt;
return 1;
}
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// native set_user_maxspeed(index, Float:speed = -1.0)
static cell AMX_NATIVE_CALL set_user_maxspeed(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index, arg_speed };
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CHECK_PLAYER(params[arg_index]);
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const auto pPlayer = TypeConversion.id_to_edict(params[arg_index]);
const auto newSpeed = amx_ctof(params[arg_speed]);
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SETCLIENTMAXSPEED(pPlayer, newSpeed);
pPlayer->v.maxspeed = newSpeed;
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return 1;
}
// native Float:get_user_maxspeed(index)
static cell AMX_NATIVE_CALL get_user_maxspeed(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index };
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CHECK_PLAYER(params[arg_index]);
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const auto pPlayer = TypeConversion.id_to_edict(params[arg_index]);
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return amx_ftoc(pPlayer->v.maxspeed);
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}
// native set_user_gravity(index, Float:gravity = 1.0)
static cell AMX_NATIVE_CALL set_user_gravity(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index, arg_gravity };
CHECK_PLAYER(params[arg_index]);
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const auto pPlayer = TypeConversion.id_to_edict(params[arg_index]);
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pPlayer->v.gravity = amx_ctof(params[arg_gravity]);
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return 1;
}
// native Float:get_user_gravity(index)
static cell AMX_NATIVE_CALL get_user_gravity(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index };
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CHECK_PLAYER(params[arg_index]);
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const auto pPlayer = TypeConversion.id_to_edict(params[arg_index]);
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return amx_ftoc(pPlayer->v.gravity);
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}
// native set_user_hitzones(index = 0, target = 0, body = HITZONES_DEFAULT)
static cell AMX_NATIVE_CALL set_user_hitzones(AMX *amx, cell *params)
{
enum args { arg_count, arg_attacker, arg_target, arg_hitzones };
const int attacker = params[arg_attacker];
const int target = params[arg_target];
const int hitzones = params[arg_hitzones];
if (attacker == 0 && target == 0)
{
Players.SetEveryoneBodyHits(hitzones);
}
else if (attacker == 0 && target != 0)
{
CHECK_PLAYER(target);
Players.SetAttackersBodyHits(target, hitzones);
}
else if (attacker != 0 && target == 0)
{
CHECK_PLAYER(attacker);
Players.SetTargetsBodyHits(attacker, hitzones);
}
else
{
CHECK_PLAYER(attacker);
CHECK_PLAYER(target);
Players.SetBodyHits(attacker, target, hitzones);
}
g_pengfuncsTable_Post->pfnTraceLine = Players.HaveBodyHits() ? TraceLine_Post : nullptr;
return 1;
}
// native get_user_hitzones(index, target)
static cell AMX_NATIVE_CALL get_user_hitzones(AMX *amx, cell *params)
{
enum args { arg_count, arg_attacker, arg_target };
const auto attacker = params[arg_attacker];
CHECK_PLAYER(attacker);
const auto target = params[arg_target];
CHECK_PLAYER(target);
return Players[attacker].GetBodyHits(target);
}
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// native set_user_noclip(index, noclip = 0)
static cell AMX_NATIVE_CALL set_user_noclip(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index, arg_noclip };
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CHECK_PLAYER(params[arg_index]);
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const auto pPlayer = TypeConversion.id_to_edict(params[arg_index]);
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pPlayer->v.movetype = params[arg_noclip] != 0 ? MOVETYPE_NOCLIP : MOVETYPE_WALK;
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return 1;
}
// native get_user_noclip(index)
static cell AMX_NATIVE_CALL get_user_noclip(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index };
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CHECK_PLAYER(params[arg_index]);
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const auto pPlayer = TypeConversion.id_to_edict(params[arg_index]);
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return pPlayer->v.movetype == MOVETYPE_NOCLIP;
}
// native set_user_footsteps(id, set = 1)
static cell AMX_NATIVE_CALL set_user_footsteps(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index, arg_footsteps };
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const auto index = params[arg_index];
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CHECK_PLAYER(index);
const auto pPlayer = TypeConversion.id_to_edict(index);
if (params[arg_footsteps] != 0)
{
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pPlayer->v.flTimeStepSound = 999;
Players[index].SetSilentFootsteps(true);
g_pFunctionTable->pfnPlayerPreThink = PlayerPreThink;
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}
else
{
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pPlayer->v.flTimeStepSound = STANDARDTIMESTEPSOUND;
Players[index].SetSilentFootsteps(false);
if (g_pFunctionTable->pfnPlayerPreThink && !Players.HaveSilentFootsteps())
{
g_pFunctionTable->pfnPlayerPreThink = nullptr;
}
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}
return 1;
}
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// native get_user_footsteps(index)
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static cell AMX_NATIVE_CALL get_user_footsteps(AMX *amx, cell *params)
{
enum args { arg_count, arg_index };
const auto index = params[arg_index];
CHECK_PLAYER(index);
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return Players[index].HasSilentFootsteps();
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}
// native strip_user_weapons(index)
static cell AMX_NATIVE_CALL strip_user_weapons(AMX *amx, cell *params)
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{
enum args { arg_count, arg_index };
const auto index = params[arg_index];
CHECK_PLAYER(index);
const auto pPlayer = TypeConversion.id_to_edict(index);
const auto pEntity = CREATE_NAMED_ENTITY(MAKE_STRING("player_weaponstrip"));
if (FNullEnt(pEntity))
{
return 0;
}
MDLL_Spawn(pEntity);
MDLL_Use(pEntity, pPlayer);
REMOVE_ENTITY(pEntity);
*reinterpret_cast<int *>(MF_PlayerPropAddr(index, Player_CurrentWeapon)) = 0;
return 1;
}
AMX_NATIVE_INFO fun_Exports[] =
{
{ "get_client_listen" , get_client_listening },
{ "set_client_listen" , set_client_listening },
{ "set_user_godmode" , set_user_godmode },
{ "get_user_godmode" , get_user_godmode },
{ "set_user_health" , set_user_health },
{ "give_item" , give_item },
{ "spawn" , spawn },
{ "set_user_frags" , set_user_frags },
{ "set_user_armor" , set_user_armor },
{ "set_user_origin" , set_user_origin },
{ "set_user_rendering", set_user_rendering },
{ "get_user_rendering", get_user_rendering },
{ "set_user_maxspeed" , set_user_maxspeed },
{ "get_user_maxspeed" , get_user_maxspeed },
{ "set_user_gravity" , set_user_gravity },
{ "get_user_gravity" , get_user_gravity },
{ "get_user_footsteps", get_user_footsteps },
{ "set_user_hitzones" , set_user_hitzones },
{ "get_user_hitzones" , get_user_hitzones },
{ "set_user_noclip" , set_user_noclip },
{ "get_user_noclip" , get_user_noclip },
{ "set_user_footsteps", set_user_footsteps },
{ "strip_user_weapons", strip_user_weapons },
{ nullptr , nullptr }
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};
void PlayerPreThink(edict_t *pEntity)
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{
const auto index = TypeConversion.edict_to_id(pEntity);
if (Players[index].HasSilentFootsteps())
{
pEntity->v.flTimeStepSound = 999;
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RETURN_META(MRES_HANDLED);
}
RETURN_META(MRES_IGNORED);
}
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int ClientConnect(edict_t *pPlayer, const char *pszName, const char *pszAddress, char szRejectReason[128])
{
const auto index = TypeConversion.edict_to_id(pPlayer);
Players[index].Clear();
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RETURN_META_VALUE(MRES_IGNORED, 0);
}
void TraceLine_Post(const float *v1, const float *v2, int fNoMonsters, edict_t *shooter, TraceResult *ptr)
{
if (ptr->pHit && (ptr->pHit->v.flags & (FL_CLIENT | FL_FAKECLIENT))
&& shooter && (shooter->v.flags & (FL_CLIENT | FL_FAKECLIENT)) )
{
const auto shooterIndex = TypeConversion.edict_to_id(shooter);
const auto targetIndex = TypeConversion.edict_to_id(ptr->pHit);
if (!(Players[shooterIndex].GetBodyHits(targetIndex) & (1 << ptr->iHitgroup)))
{
ptr->flFraction = 1.0;
RETURN_META(MRES_HANDLED);
}
}
RETURN_META(MRES_IGNORED);
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}
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void OnAmxxAttach()
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{
MF_AddNatives(fun_Exports);
}
void OnPluginsLoaded()
{
Players.Clear();
TypeConversion.init();
g_pFunctionTable->pfnPlayerPreThink = nullptr;
g_pengfuncsTable_Post->pfnTraceLine = nullptr;
}
void ServerDeactivate()
{
g_pFunctionTable->pfnPlayerPreThink = nullptr;
g_pengfuncsTable_Post->pfnTraceLine = nullptr;
RETURN_META(MRES_IGNORED);
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}