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hammer_launcher/main.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Launcher for hammer, which is sitting in its own DLL
+//
+//===========================================================================//
+
+#include <windows.h>
+#include <eh.h>
+#include "appframework/AppFramework.h"
+#include "ihammer.h"
+#include "tier0/dbg.h"
+#include "vstdlib/cvar.h"
+#include "filesystem.h"
+#include "materialsystem/imaterialsystem.h"
+#include "istudiorender.h"
+#include "filesystem_init.h"
+#include "datacache/idatacache.h"
+#include "datacache/imdlcache.h"
+#include "vphysics_interface.h"
+#include "vgui/ivgui.h"
+#include "vgui/ISurface.h"
+#include "inputsystem/iinputsystem.h"
+#include "tier0/icommandline.h"
+#include "p4lib/ip4.h"
+
+//-----------------------------------------------------------------------------
+// Global systems
+//-----------------------------------------------------------------------------
+IHammer *g_pHammer;
+IMaterialSystem *g_pMaterialSystem;
+IFileSystem *g_pFileSystem;
+IDataCache *g_pDataCache;
+IInputSystem *g_pInputSystem;
+
+//-----------------------------------------------------------------------------
+// The application object
+//-----------------------------------------------------------------------------
+class CHammerApp : public CAppSystemGroup
+{
+public:
+	// Methods of IApplication
+	virtual bool Create( );
+	virtual bool PreInit( );
+	virtual int Main( );
+	virtual void PostShutdown();
+	virtual void Destroy();
+
+private:
+	int	MainLoop();
+};
+
+
+//-----------------------------------------------------------------------------
+// Define the application object
+//-----------------------------------------------------------------------------
+CHammerApp	g_ApplicationObject;
+DEFINE_WINDOWED_APPLICATION_OBJECT_GLOBALVAR( g_ApplicationObject );
+
+
+//-----------------------------------------------------------------------------
+// Create all singleton systems
+//-----------------------------------------------------------------------------
+bool CHammerApp::Create( )
+{
+	// Save some memory so engine/hammer isn't so painful
+	CommandLine()->AppendParm( "-disallowhwmorph", NULL );
+
+	IAppSystem *pSystem;
+
+	// Add in the cvar factory
+	AppModule_t cvarModule = LoadModule( VStdLib_GetICVarFactory() );
+	pSystem = AddSystem( cvarModule, CVAR_INTERFACE_VERSION );
+	if ( !pSystem )
+		return false;
+	
+	bool bSteam;
+	char pFileSystemDLL[MAX_PATH];
+	if ( FileSystem_GetFileSystemDLLName( pFileSystemDLL, MAX_PATH, bSteam ) != FS_OK )
+		return false;
+
+	AppModule_t fileSystemModule = LoadModule( pFileSystemDLL );
+	g_pFileSystem = (IFileSystem*)AddSystem( fileSystemModule, FILESYSTEM_INTERFACE_VERSION );
+
+	FileSystem_SetBasePaths( g_pFileSystem );
+
+	AppSystemInfo_t appSystems[] = 
+	{
+		{ "materialsystem.dll",		MATERIAL_SYSTEM_INTERFACE_VERSION },
+		{ "inputsystem.dll",		INPUTSYSTEM_INTERFACE_VERSION },
+		{ "studiorender.dll",		STUDIO_RENDER_INTERFACE_VERSION },
+		{ "vphysics.dll",			VPHYSICS_INTERFACE_VERSION },
+		{ "datacache.dll",			DATACACHE_INTERFACE_VERSION },
+		{ "datacache.dll",			MDLCACHE_INTERFACE_VERSION },
+		{ "datacache.dll",			STUDIO_DATA_CACHE_INTERFACE_VERSION },
+		{ "vguimatsurface.dll",		VGUI_SURFACE_INTERFACE_VERSION },
+		{ "vgui2.dll",				VGUI_IVGUI_INTERFACE_VERSION },
+		{ "hammer_dll.dll",			INTERFACEVERSION_HAMMER },
+		{ "", "" }	// Required to terminate the list
+	};
+
+	if ( !AddSystems( appSystems ) ) 
+		return false;
+
+	// Add Perforce separately since it's possible it isn't there. (SDK)
+	if ( !CommandLine()->CheckParm( "-nop4" ) )
+	{
+		AppModule_t p4Module = LoadModule( "p4lib.dll" );
+		AddSystem( p4Module, P4_INTERFACE_VERSION );
+	}
+	// Connect to interfaces loaded in AddSystems that we need locally
+	g_pMaterialSystem = (IMaterialSystem*)FindSystem( MATERIAL_SYSTEM_INTERFACE_VERSION );
+	g_pHammer = (IHammer*)FindSystem( INTERFACEVERSION_HAMMER );
+	g_pDataCache = (IDataCache*)FindSystem( DATACACHE_INTERFACE_VERSION );
+	g_pInputSystem = (IInputSystem*)FindSystem( INPUTSYSTEM_INTERFACE_VERSION );
+
+	// This has to be done before connection.
+	g_pMaterialSystem->SetShaderAPI( "shaderapidx9.dll" );
+
+	return true;
+}
+
+void CHammerApp::Destroy()
+{
+	g_pFileSystem = NULL;
+	g_pMaterialSystem = NULL;
+	g_pDataCache = NULL;
+	g_pHammer = NULL;
+	g_pInputSystem = NULL;
+}
+
+
+//-----------------------------------------------------------------------------
+//-----------------------------------------------------------------------------
+SpewRetval_t HammerSpewFunc( SpewType_t type, tchar const *pMsg )
+{
+	if ( type == SPEW_ASSERT )
+	{
+		return SPEW_DEBUGGER;
+	}
+	else if( type == SPEW_ERROR )
+	{
+		MessageBox( NULL, pMsg, "Hammer Error", MB_OK | MB_ICONSTOP );
+		return SPEW_ABORT;
+	}
+	else
+	{
+		return SPEW_CONTINUE;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Init, shutdown
+//-----------------------------------------------------------------------------
+bool CHammerApp::PreInit( )
+{
+	SpewOutputFunc( HammerSpewFunc );
+	if ( !g_pHammer->InitSessionGameConfig( GetVProjectCmdLineValue() ) )
+		return false;
+
+	//
+	// Init the game and mod dirs in the file system.
+	// This needs to happen before calling Init on the material system.
+	//
+	CFSSearchPathsInit initInfo;
+	initInfo.m_pFileSystem = g_pFileSystem;
+	initInfo.m_pDirectoryName = g_pHammer->GetDefaultModFullPath();
+
+	if ( FileSystem_LoadSearchPaths( initInfo ) != FS_OK )
+	{
+		Error( "Unable to load search paths!\n" );
+	}
+
+	// Required to run through the editor
+	g_pMaterialSystem->EnableEditorMaterials();
+
+	// needed for VGUI model rendering
+	g_pMaterialSystem->SetAdapter( 0, MATERIAL_INIT_ALLOCATE_FULLSCREEN_TEXTURE );
+
+	return true; 
+}
+
+void CHammerApp::PostShutdown()
+{
+}
+
+
+//-----------------------------------------------------------------------------
+// main application
+//-----------------------------------------------------------------------------
+int CHammerApp::Main( )
+{
+	return g_pHammer->MainLoop();
+}
+
+
+
+
+