ref: ee93b99842546dc501a383e06fd0ba4af904e150
dir: /sys/src/games/doom/i_system.h/
// Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // // $Id:$ // // Copyright (C) 1993-1996 by id Software, Inc. // // This source is available for distribution and/or modification // only under the terms of the DOOM Source Code License as // published by id Software. All rights reserved. // // The source is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License // for more details. // // DESCRIPTION: // System specific interface stuff. // //----------------------------------------------------------------------------- #ifndef __I_SYSTEM__ #define __I_SYSTEM__ #include "d_ticcmd.h" #include "d_event.h" #ifdef __GNUG__ #pragma interface #endif // Called by DoomMain. void I_Init (void); // Called by startup code // to get the ammount of memory to malloc // for the zone management. byte* I_ZoneBase (int *size); // Called by D_DoomLoop, // returns current time in tics. int I_GetTime (void); // // Called by D_DoomLoop, // called before processing any tics in a frame // (just after displaying a frame). // Time consuming syncronous operations // are performed here (joystick reading). // Can call D_PostEvent. // void I_StartFrame (void); // // Called by D_DoomLoop, // called before processing each tic in a frame. // Quick syncronous operations are performed here. // Can call D_PostEvent. void I_StartTic (void); // Asynchronous interrupt functions should maintain private queues // that are read by the synchronous functions // to be converted into events. // Either returns a null ticcmd, // or calls a loadable driver to build it. // This ticcmd will then be modified by the gameloop // for normal input. ticcmd_t* I_BaseTiccmd (void); // Called by M_Responder when quit is selected. // Clean exit, displays sell blurb. void I_Quit (void); // Allocates from low memory under dos, // just mallocs under unix byte* I_AllocLow (int length); void I_Tactile (int on, int off, int total); void I_Error (char *error, ...); int I_FileExists (char *filepath); int I_Open (char *filepath); void I_Close (int handle); int I_Seek(int handle, int n); int I_Read(int handle, void *buf, int n); char* I_IdentifyWAD(char *wadname); #endif //----------------------------------------------------------------------------- // // $Log:$ // //-----------------------------------------------------------------------------