dvr/app/jni/prboom/r_demo.c

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2016-03-03 22:28:59 +00:00
/* Emacs style mode select -*- C++ -*-
*-----------------------------------------------------------------------------
*
*
* PrBoom: a Doom port merged with LxDoom and LSDLDoom
* based on BOOM, a modified and improved DOOM engine
* Copyright (C) 1999 by
* id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
* Copyright (C) 1999-2000 by
* Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze, Andrey Budko
* Copyright 2005, 2006 by
* Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
*
* 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.
*
* DESCRIPTION:
* Demo stuff
*
*---------------------------------------------------------------------
*/
#include "doomstat.h"
#include "r_demo.h"
#include "r_fps.h"
int demo_smoothturns = false;
int demo_smoothturnsfactor = 6;
static int smooth_playing_turns[SMOOTH_PLAYING_MAXFACTOR];
static int_64_t smooth_playing_sum;
static int smooth_playing_index;
static angle_t smooth_playing_angle;
void R_SmoothPlaying_Reset(player_t *player)
{
if (demo_smoothturns && demoplayback && players)
{
if (!player)
player = &players[displayplayer];
if (player==&players[displayplayer])
{
smooth_playing_angle = players[displayplayer].mo->angle;
memset(smooth_playing_turns, 0, sizeof(smooth_playing_turns[0]) * SMOOTH_PLAYING_MAXFACTOR);
smooth_playing_sum = 0;
smooth_playing_index = 0;
}
}
}
void R_SmoothPlaying_Add(int delta)
{
if (demo_smoothturns && demoplayback)
{
smooth_playing_sum -= smooth_playing_turns[smooth_playing_index];
smooth_playing_turns[smooth_playing_index] = delta;
smooth_playing_index = (smooth_playing_index + 1)%(demo_smoothturnsfactor);
smooth_playing_sum += delta;
smooth_playing_angle += (int)(smooth_playing_sum/(demo_smoothturnsfactor));
}
}
angle_t R_SmoothPlaying_Get(angle_t defangle)
{
if (demo_smoothturns && demoplayback)
return smooth_playing_angle;
else
return defangle;
}
void R_ResetAfterTeleport(player_t *player)
{
R_ResetViewInterpolation();
R_SmoothPlaying_Reset(player);
}