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/*
Copyright (C) 1992-1994 Id Software, Inc.
Copyright (C) 2000 Steven Fuller <relnev@atdot.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <sys/time.h>
#include <unistd.h>
#include <stdio.h>
#include "wolfdef.h"
LongWord LastTick;
TimeCounter gametime, rendtime;
void InitTimeCounter(TimeCounter *t)
{
t->frames = 0;
t->mintime = 0xFFFFFFFF;
t->maxtime = 0;
t->total = 0;
}
void StartTimeCounter(TimeCounter *t)
{
struct timeval t0;
gettimeofday(&t0, NULL);
t->secs = t0.tv_sec;
t->usecs = t0.tv_usec;
}
void EndTimeCounter(TimeCounter *t)
{
struct timeval t0;
unsigned long curtime;
long secs, usecs;
gettimeofday(&t0, NULL);
secs = t0.tv_sec - t->secs;
usecs = t0.tv_usec - t->usecs;
curtime = secs * 1000000 + usecs;
if (curtime > t->maxtime)
t->maxtime = curtime;
if (curtime < t->mintime)
t->mintime = curtime;
t->total += curtime;
t->frames++;
}
void PrintTimeCounter(TimeCounter *t, char *header)
{
double avg;
if (t->frames == 0)
return;
avg = (double)t->total / (double)t->frames;
printf("%s:\n", header);
printf("Frames: %lu, time %lu, avg %f\n", t->frames, t->total, avg);
printf("Min: %lu, max:%lu\n", t->mintime, t->maxtime);
}
void ShareWareEnd(void)
{
SetAPalette(rGamePal);
/* printf("ShareWareEnd()\n"); */
SetAPalette(rBlackPal);
}
Word WaitEvent(void)
{
while (DoEvents() == 0) ;
return 0;
}
static struct timeval t0;
LongWord ReadTick()
{
struct timeval t1;
int secs, usecs;
if (t0.tv_sec == 0) {
gettimeofday(&t0, NULL);
return 0;
}
gettimeofday(&t1, NULL);
secs = t1.tv_sec - t0.tv_sec;
usecs = t1.tv_usec - t0.tv_usec;
if (usecs < 0) {
usecs += 1000000;
secs--;
}
return secs * 60 + usecs * 60 / 1000000;
}
void WaitTick()
{
do {
DoEvents();
} while (ReadTick() == LastTick);
LastTick = ReadTick();
}
void WaitTicks(Word Count)
{
LongWord TickMark;
do {
DoEvents();
TickMark = ReadTick();
} while ((TickMark-LastTick)<=Count);
LastTick = TickMark;
}
Word WaitTicksEvent(Word Time)
{
LongWord TickMark;
LongWord NewMark;
Word RetVal;
TickMark = ReadTick();
for (;;) {
RetVal = DoEvents();
if (RetVal)
break;
NewMark = ReadTick();
if (Time) {
if ((NewMark-TickMark)>=Time) {
RetVal = 0;
break;
}
}
}
return RetVal;
}