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mirror of https://github.com/rehlds/metamod-r.git synced 2025-01-07 12:35:48 +03:00
metamod-r/metamod/extra/example/ex_rehlds_api.cpp
2023-11-28 18:10:30 +07:00

77 lines
2.2 KiB
C++

#include <extdll.h>
#include <meta_api.h>
#include "ex_rehlds_api.h"
IRehldsApi* g_RehldsApi;
const RehldsFuncs_t* g_RehldsFuncs;
IRehldsHookchains* g_RehldsHookchains;
IRehldsServerStatic* g_RehldsSvs;
bool rehlds_api_init(CSysModule* engineModule)
{
if (!engineModule) {
gpMetaUtilFuncs->pfnLogConsole(PLID, "Failed to locate engine module\n");
return false;
}
CreateInterfaceFn ifaceFactory = Sys_GetFactory(engineModule);
if (!ifaceFactory) {
gpMetaUtilFuncs->pfnLogConsole(PLID, "Failed to locate interface factory in engine module\n");
return false;
}
int retCode = 0;
g_RehldsApi = (IRehldsApi*)ifaceFactory(VREHLDS_HLDS_API_VERSION, &retCode);
if (!g_RehldsApi) {
return false;
}
int majorVersion = g_RehldsApi->GetMajorVersion();
int minorVersion = g_RehldsApi->GetMinorVersion();
if (majorVersion != REHLDS_API_VERSION_MAJOR) {
gpMetaUtilFuncs->pfnLogConsole(PLID, "REHLDS Api major version mismatch; expected %d, real %d\n", REHLDS_API_VERSION_MAJOR, majorVersion);
return false;
}
if (minorVersion < REHLDS_API_VERSION_MINOR) {
gpMetaUtilFuncs->pfnLogConsole(PLID, "REHLDS Api minor version mismatch; expected at least %d, real %d\n", REHLDS_API_VERSION_MINOR, minorVersion);
return false;
}
g_RehldsFuncs = g_RehldsApi->GetFuncs();
g_RehldsHookchains = g_RehldsApi->GetHookchains();
g_RehldsSvs = g_RehldsApi->GetServerStatic();
return true;
}
bool meta_init_rehlds_api()
{
#ifdef _WIN32
// Find the most appropriate module handle from a list of DLL candidates
// Notes:
// - "swds.dll" is the library Dedicated Server
//
// Let's also attempt to locate the ReHLDS API in the client's library
// - "sw.dll" is the client library for Software render, with a built-in listenserver
// - "hw.dll" is the client library for Hardware render, with a built-in listenserver
const char *dllNames[] = { "swds.dll", "hw.dll", "sw.dll" }; // List of DLL candidates to lookup for the ReHLDS API
CSysModule *engineModule = NULL; // The module handle of the selected DLL
for (const char *dllName : dllNames)
{
if (engineModule = Sys_GetModuleHandle(dllName))
break; // gotcha
}
#else
CSysModule *engineModule = Sys_GetModuleHandle("engine_i486.so");
#endif
if (!rehlds_api_init(engineModule)) {
return false;
}
return true;
}