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97 lines
1.6 KiB
C
97 lines
1.6 KiB
C
//
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// Copyright(C) 1993-1996 Id Software, Inc.
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// Copyright(C) 2005-2014 Simon Howard
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program 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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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// DESCRIPTION:
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// Timer functions.
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//
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#include "i_timer.h"
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#include "doomtype.h"
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#include "doomgeneric.h"
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#include <stdarg.h>
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//#include <sys/time.h>
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//#include <unistd.h>
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//
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// I_GetTime
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// returns time in 1/35th second tics
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//
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static uint32_t basetime = 0;
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int I_GetTicks(void)
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{
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return DG_GetTicksMs();
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}
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int I_GetTime (void)
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{
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uint32_t ticks;
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ticks = I_GetTicks();
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if (basetime == 0)
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basetime = ticks;
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ticks -= basetime;
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return (ticks * TICRATE) / 1000;
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}
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//
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// Same as I_GetTime, but returns time in milliseconds
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//
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int I_GetTimeMS(void)
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{
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uint32_t ticks;
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ticks = I_GetTicks();
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if (basetime == 0)
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basetime = ticks;
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return ticks - basetime;
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}
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// Sleep for a specified number of ms
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void I_Sleep(int ms)
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{
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//SDL_Delay(ms);
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//usleep (ms * 1000);
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DG_SleepMs(ms);
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}
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void I_WaitVBL(int count)
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{
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//I_Sleep((count * 1000) / 70);
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}
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void I_InitTimer(void)
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{
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// initialize timer
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//SDL_Init(SDL_INIT_TIMER);
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}
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