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xash3d-fwgs
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engine: add sys_timescale implementation

This commit is contained in:
Alibek Omarov 2022-03-03 05:38:36 +03:00
parent edc171be04
commit 85f99c723a
3 changed files with 13 additions and 5 deletions
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4
engine/client/s_main.c
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@ -533,6 +533,8 @@ void S_StartSound( const vec3_t pos, int ent, int chan, sound_t handle, float fv
// spatialize
memset( target_chan, 0, sizeof( *target_chan ));
pitch *= (sys_timescale.value + 1) / 2;
VectorCopy( pos, target_chan->origin );
target_chan->staticsound = ( ent == 0 ) ? true : false;
target_chan->use_loop = (flags & SND_STOP_LOOPING) ? false : true;
@ -788,6 +790,8 @@ void S_AmbientSound( const vec3_t pos, int ent, sound_t handle, float fvol, floa
return;
}
pitch *= (sys_timescale.value + 1) / 2;
// never update positions if source entity is 0
ch->staticsound = ( ent == 0 ) ? true : false;
ch->use_loop = (flags & SND_STOP_LOOPING) ? false : true;

3
engine/common/common.h
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@ -184,7 +184,8 @@ extern convar_t host_developer;
extern convar_t *host_limitlocal;
extern convar_t *host_framerate;
extern convar_t *host_maxfps;
extern convar_t cl_filterstuffcmd;
extern convar_t sys_timescale;
extern convar_t cl_filterstuffcmd;
/*
==============================================================

11
engine/common/host.c
View File

@ -51,6 +51,7 @@ struct tests_stats_s tests_stats;
#endif
CVAR_DEFINE( host_developer, "developer", "0", FCVAR_FILTERABLE, "engine is in development-mode" );
CVAR_DEFINE_AUTO( sys_timescale, "1.0", FCVAR_CHEAT|FCVAR_FILTERABLE, "scale frame time" );
CVAR_DEFINE_AUTO( sys_ticrate, "100", 0, "framerate in dedicated mode" );
convar_t *host_serverstate;
@ -626,8 +627,9 @@ qboolean Host_FilterTime( float time )
{
static double oldtime;
double fps;
double scale = sys_timescale.value;
host.realtime += time;
host.realtime += time * scale;
fps = Host_CalcFPS( );
// clamp the fps in multiplayer games
@ -638,12 +640,12 @@ qboolean Host_FilterTime( float time )
if( Host_IsDedicated() )
{
if(( host.realtime - oldtime ) < ( 1.0 / ( fps + 1.0 )))
if(( host.realtime - oldtime ) < ( 1.0 / ( fps + 1.0 )) * scale)
return false;
}
else
{
if(( host.realtime - oldtime ) < ( 1.0 / fps ))
if(( host.realtime - oldtime ) < ( 1.0 / fps ) * scale )
return false;
}
}
@ -654,7 +656,7 @@ qboolean Host_FilterTime( float time )
// NOTE: allow only in singleplayer while demos are not active
if( host_framerate->value > 0.0f && Host_IsLocalGame() && !CL_IsPlaybackDemo() && !CL_IsRecordDemo( ))
host.frametime = bound( MIN_FRAMETIME, host_framerate->value, MAX_FRAMETIME );
host.frametime = bound( MIN_FRAMETIME, host_framerate->value * scale, MAX_FRAMETIME );
else host.frametime = bound( MIN_FRAMETIME, host.frametime, MAX_FRAMETIME );
return true;
@ -1101,6 +1103,7 @@ int EXPORT Host_Main( int argc, char **argv, const char *progname, int bChangeGa
host_clientloaded = Cvar_Get( "host_clientloaded", "0", FCVAR_READ_ONLY, "inidcates a loaded client.dll" );
host_limitlocal = Cvar_Get( "host_limitlocal", "0", 0, "apply cl_cmdrate and rate to loopback connection" );
con_gamemaps = Cvar_Get( "con_mapfilter", "1", FCVAR_ARCHIVE, "when true show only maps in game folder" );
Cvar_RegisterVariable( &sys_timescale );
build = Cvar_Get( "buildnum", va( "%i", Q_buildnum_compat()), FCVAR_READ_ONLY, "returns a current build number" );
ver = Cvar_Get( "ver", va( "%i/%s (hw build %i)", PROTOCOL_VERSION, XASH_COMPAT_VERSION, Q_buildnum_compat()), FCVAR_READ_ONLY, "shows an engine version" );