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