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utils/scratchpad3dviewer/d3dapp.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef D3DAPP_H
+#define D3DAPP_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+
+#include <d3d8.h>
+
+
+// Globals for the app to access. These are valid whenever the app is called.
+extern IDirect3D8		*g_pDirect3D;
+extern IDirect3DDevice8	*g_pDevice;
+
+
+// Special keys.
+#define APPKEY_LBUTTON	-1
+#define APPKEY_RBUTTON	-2
+#define APPKEY_SPACE	-3
+
+
+// ------------------------------------------------------------------------------------ //
+// Functions for the app to provide.
+// ------------------------------------------------------------------------------------ //
+void AppInit();
+
+// Called to update or render the view as often as possible. If bInvalidRect is true,
+// then you should always render, so the window's contents are valid.
+void AppRender( float frametime, float mouseDeltaX, float mouseDeltaY, bool bInvalidRect );
+
+// Release any D3D objects you have here - a resize will happen.
+void AppPreResize();
+void AppPostResize();
+
+void AppExit( );
+void AppKey( int key, int down );
+void AppChar( int key );
+
+
+
+// ------------------------------------------------------------------------------------ //
+// Functions the app can call.
+// ------------------------------------------------------------------------------------ //
+
+// Show an error dialog and quit.
+bool Sys_Error(const char *pMsg, ...);
+
+// Shutdown the app. AppExit() will be called.
+void Sys_Quit();
+
+void Sys_SetWindowText( char const *pMsg, ... );
+
+// Key can be an ASCII key code or an APPKEY_ define.
+bool Sys_GetKeyState( int key );
+
+void Sys_Sleep( int ms );
+
+// Does the app have the focus?
+bool Sys_HasFocus();
+
+char const* Sys_FindArg( char const *pArg, char const *pDefault=NULL );
+int Sys_FindArgInt( char const *pArg, int defaultVal = -1 );
+
+int Sys_ScreenWidth();
+int Sys_ScreenHeight();
+
+
+#endif // D3DAPP_H