init

engine/engine.cpp

@@ -0,0 +1,117 @@
+#include "tier1/commandline.h"
+#include "tier1/utlstring.h"
+#include "tier0/lib.h"
+#include "console.h"
+#include "filesystem.h"
+#include "rendering.h"
+#include "engine.h"
+#include "baseentity.h"
+#include "server.h"
+
+#ifdef __linux
+#include "signal.h"
+#endif
+
+double fPrev = 0;
+double fCurrent = 0;
+//-----------------------------------------------------------------------------
+// Purpose: Engine entry point
+//-----------------------------------------------------------------------------
+extern "C" void FunnyMain( int argc, char **argv ) {
+	
+	ICommandLine::CreateCommandLine(argc, argv);
+	IEngine::Init();
+	for (;;)
+	{
+		fPrev = fCurrent;
+		fCurrent = Plat_GetTime();
+		IEngine::Frame(fCurrent-fPrev);
+	};
+	/* deinit is handled explicitly */
+};
+
+void IEngine_Signal(int sig)
+{
+	printf("Trapped signal %i\n",sig);
+	switch (sig)
+	{
+	case SIGSEGV:
+	case SIGILL:
+	case SIGABRT:
+		printf("Consider running app with debugger attached\n");
+		Plat_Backtrace();
+		break;
+	default:
+		break;
+	};
+	IEngine::Shutdown();
+	_exit(0);
+};
+
+void IEngine::Init()
+{
+	/* trap signals */
+	#ifdef __linux
+	signal(SIGHUP, IEngine_Signal);
+	signal(SIGINT, IEngine_Signal);
+	signal(SIGQUIT, IEngine_Signal);
+	signal(SIGILL, IEngine_Signal);
+	signal(SIGTRAP, IEngine_Signal);
+	signal(SIGIOT, IEngine_Signal);
+	signal(SIGBUS, IEngine_Signal);
+	signal(SIGFPE, IEngine_Signal);
+	signal(SIGSEGV, IEngine_Signal);
+	signal(SIGTERM, IEngine_Signal);
+	#endif
+
+	IFileSystem::InitFilesystem();
+	IVideo::Init();
+	IServer::LoadGame("funnygame");
+};
+
+void IEngine::Frame(float fDelta)
+{
+	IServer::Think(fDelta);
+	IVideo::Frame(fDelta);
+};
+
+void IEngine::Shutdown()
+{
+
+};
+void IIEngine::PrecacheModel( const char *psz )
+{
+
+}
+void IIEngine::PrecacheSound( const char *psz )
+{
+
+}
+
+
+CBaseEntity *IIEngine::SpawnEntity( const char *szName )
+{
+	V_printf("%s\n", szName);
+	for (auto &entity: g_RegisteredEntities)
+	{
+		if (!V_strcmp(entity->m_szName, szName))
+		{
+			CBaseEntity *pEnt = entity->m_pfn();
+			pEnt->Spawn();
+			g_entities.AppendTail(pEnt);
+			if (entity->m_pClientfn)
+			{
+				pEnt->pClientEntity = entity->m_pClientfn();
+				pEnt->pClientEntity->Spawn();
+				pEnt->pClientEntity->pEntity = pEnt;
+			}
+			return pEnt;
+		}
+	}
+	return 0;
+};
+
+void IIEngine::DestroyEntity( CBaseEntity *pEntity )
+{
+
+};