amxmodx/public/interface_helpers.h

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Add basic ReHLDS and ReGameDLL support (#417) * Add ReHLDS API files and its dependencies Note: This has been stolen from ReAPI AMXX module and modified/adjusted to match AMXX existing includes and to provide as less dependencies as possible as well * Add the necessary files to get ReHLDS interface * Split SV_DropClient into pre/post code * Init ReHLDS API and add SV_DropClient hook * Add Cvar_DirectSet hook and adjust code with helpers Note: we don't need to split code here. This is pretty much the naive and straight way, but fairly enough for our case. If it happens we got a lot more hooks, we may consider to use some class to manage better the things. * Move platform and interface stuff in their own files in public directory * Make sure to init cvar stuff after ReHLDS * Add ReGameDLL API files and its dependencies in cstrike module * Init ReHLDS in cstrike module and adjust code Note: About cs_uset_set_model(). ReHLDS API doesn't offer a way to know directly the precached models, so instead of looping through all the ressources, the models list is saved one time at map change into a hashmap. * Init ReGameDLL and adjust code * Fix linux compilation * Init ReGameDLL in fakemeta module and adjust code * Rename /reapi directory to /resdk to avoid confusion * Retrieve gamerules pointer through InstallGameRules in fakemeta module * Retrieve gamerules pointer through InstallGameRules in cstrike module Note: actually gamerules is not used if regamedll is enabled, but it could be used in future natives. * Fix a typo when ReGameDLL is not enabled * Fix missing interface check for ReHLDS. I'm pretty sure I was checking at the very first since I worked first on vanilla version of engine, looks like change has been lost.
2017-03-09 18:59:38 +00:00
// 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
#pragma once
#include "platform_helpers.h"
#include <amtl/os/am-path.h>
#include <amtl/os/am-shared-library.h>
template <typename T>
bool GET_IFACE(const char* library, T*& var, const char* version, bool add_ext = true)
{
char file[PLATFORM_MAX_PATH];
if (add_ext)
ke::path::Format(file, sizeof(file), "%s.%s", library, PLATFORM_LIB_EXT);
else
ke::SafeStrcpy(file, sizeof(file), library);
auto lib = ke::SharedLib::Open(file);
if (!lib || !lib->valid())
{
return false;
}
auto factory = reinterpret_cast<CreateInterfaceFn>(lib->lookup(CREATEINTERFACE_PROCNAME));
if (factory)
{
var = reinterpret_cast<T*>(factory(version, nullptr));
return true;
}
var = nullptr;
return false;
}