/*
=================
CG_DrawActiveFrame
Generates and draws a game scene and status information at the given time.
=================
*/
void CG_DrawActiveFrame( int serverTime, stereoFrame_t stereoView, qboolean demoPlayback ) {
int inwater;
cg.time = serverTime;
cg.demoPlayback = demoPlayback;
if (cg.snap && ui_myteam.integer != cg.snap->ps.persistant[PERS_TEAM])
{
trap_Cvar_Set ( "ui_myteam", va("%i", cg.snap->ps.persistant[PERS_TEAM]) );
}
// update cvars
CG_UpdateCvars();
// if we are only updating the screen as a loading
// pacifier, don't even try to read snapshots
if ( cg.infoScreenText[0] != 0 ) {
CG_DrawInformation();
return;
}
trap_FX_AdjustTime( cg.time, cg.refdef.vieworg, cg.refdef.viewaxis );
CG_RunLightStyles();
// any looped sounds will be respecified as entities
// are added to the render list
trap_S_ClearLoopingSounds(qfalse);
// clear all the render lists
trap_R_ClearScene();
// set up cg.snap and possibly cg.nextSnap
CG_ProcessSnapshots();
trap_ROFF_UpdateEntities();
// if we haven't received any snapshots yet, all
// we can draw is the information screen
if ( !cg.snap || ( cg.snap->snapFlags & SNAPFLAG_NOT_ACTIVE ) ) {
CG_DrawInformation();
return;
}
// let the client system know what our weapon and zoom settings are
if (cg.snap && cg.snap->ps.saberLockTime > cg.time)
{
trap_SetUserCmdValue( cg.weaponSelect, 0.01, cg.forceSelect, cg.itemSelect );
}
else if (cg.snap && cg.snap->ps.usingATST)
{
trap_SetUserCmdValue( cg.weaponSelect, 0.2, cg.forceSelect, cg.itemSelect );
}
else
{
trap_SetUserCmdValue( cg.weaponSelect, cg.zoomSensitivity, cg.forceSelect, cg.itemSelect );
}
// this counter will be bumped for every valid scene we generate
cg.clientFrame++;
// update cg.predictedPlayerState
CG_PredictPlayerState();
// decide on third person view
cg.renderingThirdPerson = cg_thirdPerson.integer || (cg.snap->ps.stats[STAT_HEALTH] <= 0);
if (cg.snap->ps.stats[STAT_HEALTH] > 0 && (cg.predictedPlayerState.weapon == WP_SABER || cg.predictedPlayerState.usingATST ||
cg.predictedPlayerState.forceHandExtend == HANDEXTEND_KNOCKDOWN || cg.predictedPlayerState.fallingToDeath))
{
cg.renderingThirdPerson = 1;
}
else if (cg.snap->ps.zoomMode)
{ //always force first person when zoomed
cg.renderingThirdPerson = 0;
}
// build cg.refdef
inwater = CG_CalcViewValues();
CG_CalcScreenEffects();
// first person blend blobs, done after AnglesToAxis
if ( !cg.renderingThirdPerson ) {
CG_DamageBlendBlob();
}
// build the render lists
if ( !cg.hyperspace ) {
CG_AddPacketEntities(); // adter calcViewValues, so predicted player state is correct
CG_AddMarks();
CG_AddParticles ();
CG_AddLocalEntities();
}
CG_AddViewWeapon( &cg.predictedPlayerState );
if ( !cg.hyperspace)
{
trap_FX_AddScheduledEffects();
}
// add buffered sounds
CG_PlayBufferedSounds();
// play buffered voice chats
CG_PlayBufferedVoiceChats();
// finish up the rest of the refdef
if ( cg.testModelEntity.hModel ) {
CG_AddTestModel();
}
cg.refdef.time = cg.time;
memcpy( cg.refdef.areamask, cg.snap->areamask, sizeof( cg.refdef.areamask ) );
// warning sounds when powerup is wearing off
CG_PowerupTimerSounds();
// if there are any entities flagged as sound trackers and attached to other entities, update their sound pos
CG_UpdateSoundTrackers();
if (gCGHasFallVector)
{
vec3_t lookAng;
VectorSubtract(cg.snap->ps.origin, cg.refdef.vieworg, lookAng);
VectorNormalize(lookAng);
vectoangles(lookAng, lookAng);
VectorCopy(gCGFallVector, cg.refdef.vieworg);
AnglesToAxis(lookAng, cg.refdef.viewaxis);
}
// update audio positions
trap_S_Respatialize( cg.snap->ps.clientNum, cg.refdef.vieworg, cg.refdef.viewaxis, inwater );
// make sure the lagometerSample and frame timing isn't done twice when in stereo
if ( stereoView != STEREO_RIGHT ) {
cg.frametime = cg.time - cg.oldTime;
if ( cg.frametime < 0 ) {
cg.frametime = 0;
}
cg.oldTime = cg.time;
CG_AddLagometerFrameInfo();
}
if (cg_timescale.value != cg_timescaleFadeEnd.value) {
if (cg_timescale.value < cg_timescaleFadeEnd.value) {
cg_timescale.value += cg_timescaleFadeSpeed.value * ((float)cg.frametime) / 1000;
if (cg_timescale.value > cg_timescaleFadeEnd.value)
cg_timescale.value = cg_timescaleFadeEnd.value;
}
else {
cg_timescale.value -= cg_timescaleFadeSpeed.value * ((float)cg.frametime) / 1000;
if (cg_timescale.value < cg_timescaleFadeEnd.value)
cg_timescale.value = cg_timescaleFadeEnd.value;
}
if (cg_timescaleFadeSpeed.value) {
trap_Cvar_Set("timescale", va("%f", cg_timescale.value));
}
}
// actually issue the rendering calls
CG_DrawActive( stereoView );
if ( cg_stats.integer ) {
CG_Printf( "cg.clientFrame:%i\n", cg.clientFrame );
}
}
void CG_RenderView( float frameTime, float realFrameTime, int realTime, unsigned int serverTime, float stereo_separation, unsigned int extrapolationTime, bool flipped )
{
refdef_t *rd = &cg.view.refdef;
// update time
cg.realTime = realTime;
cg.frameTime = frameTime;
cg.realFrameTime = realFrameTime;
cg.frameCount++;
cg.time = serverTime;
if( !cgs.precacheDone || !cg.frame.valid )
{
CG_Precache();
CG_DrawLoading();
return;
}
{
float snapTime = ( cg.frame.serverTime - cg.oldFrame.serverTime );
if( !snapTime )
snapTime = cgs.snapFrameTime;
// moved this from CG_Init here
cgs.extrapolationTime = extrapolationTime;
if( cg.oldFrame.serverTime == cg.frame.serverTime )
cg.lerpfrac = 1.0f;
else
cg.lerpfrac = ( (double)( cg.time - cgs.extrapolationTime ) - (double)cg.oldFrame.serverTime ) / (double)snapTime;
if( cgs.extrapolationTime )
{
cg.xerpTime = 0.001f * ( (double)cg.time - (double)cg.frame.serverTime );
cg.oldXerpTime = 0.001f * ( (double)cg.time - (double)cg.oldFrame.serverTime );
if( cg.time >= cg.frame.serverTime )
{
cg.xerpSmoothFrac = (double)( cg.time - cg.frame.serverTime ) / (double)( cgs.extrapolationTime );
clamp( cg.xerpSmoothFrac, 0.0f, 1.0f );
}
else
{
cg.xerpSmoothFrac = (double)( cg.frame.serverTime - cg.time ) / (double)( cgs.extrapolationTime );
clamp( cg.xerpSmoothFrac, -1.0f, 0.0f );
cg.xerpSmoothFrac = 1.0f - cg.xerpSmoothFrac;
}
clamp_low( cg.xerpTime, -( cgs.extrapolationTime * 0.001f ) );
//clamp( cg.xerpTime, -( cgs.extrapolationTime * 0.001f ), ( cgs.extrapolationTime * 0.001f ) );
//clamp( cg.oldXerpTime, 0, ( ( snapTime + cgs.extrapolationTime ) * 0.001f ) );
}
else
{
cg.xerpTime = 0.0f;
cg.xerpSmoothFrac = 0.0f;
}
}
if( cg_showClamp->integer )
{
if( cg.lerpfrac > 1.0f )
CG_Printf( "high clamp %f\n", cg.lerpfrac );
else if( cg.lerpfrac < 0.0f )
CG_Printf( "low clamp %f\n", cg.lerpfrac );
}
clamp( cg.lerpfrac, 0.0f, 1.0f );
if( !cgs.configStrings[CS_WORLDMODEL][0] )
{
CG_AddLocalSounds();
trap_R_DrawStretchPic( 0, 0, cgs.vidWidth, cgs.vidHeight, 0, 0, 1, 1, colorBlack, cgs.shaderWhite );
trap_S_Update( vec3_origin, vec3_origin, axis_identity, cgs.clientInfo[cgs.playerNum].name );
return;
}
// bring up the game menu after reconnecting
if( !cgs.tv && !cgs.demoPlaying ) {
if( ISREALSPECTATOR() && !cg.firstFrame ) {
if( !cgs.gameMenuRequested ) {
trap_Cmd_ExecuteText( EXEC_NOW, "gamemenu\n" );
}
cgs.gameMenuRequested = true;
}
}
if( !cg.viewFrameCount )
cg.firstViewRealTime = cg.realTime;
CG_FlashGameWindow(); // notify player of important game events
CG_CalcVrect(); // find sizes of the 3d drawing screen
CG_TileClear(); // clear any dirty part of the background
CG_ChaseCamButtons();
CG_RunLightStyles();
CG_ClearFragmentedDecals();
trap_R_ClearScene();
if( CG_DemoCam_Update() )
CG_SetupViewDef( &cg.view, CG_DemoCam_GetViewType(), flipped );
else
CG_SetupViewDef( &cg.view, VIEWDEF_PLAYERVIEW, flipped );
CG_LerpEntities(); // interpolate packet entities positions
CG_CalcViewWeapon( &cg.weapon );
CG_FireEvents( false );
CG_AddEntities();
CG_AddViewWeapon( &cg.weapon );
CG_AddLocalEntities();
CG_AddParticles();
CG_AddDlights();
CG_AddShadeBoxes();
CG_AddDecals();
CG_AddPolys();
CG_AddLightStyles();
#ifndef PUBLIC_BUILD
CG_AddTest();
#endif
// offset vieworg appropriately if we're doing stereo separation
VectorMA( cg.view.origin, stereo_separation, &cg.view.axis[AXIS_RIGHT], rd->vieworg );
// never let it sit exactly on a node line, because a water plane can
// disappear when viewed with the eye exactly on it.
// the server protocol only specifies to 1/16 pixel, so add 1/16 in each axis
rd->vieworg[0] += 1.0/PM_VECTOR_SNAP;
rd->vieworg[1] += 1.0/PM_VECTOR_SNAP;
rd->vieworg[2] += 1.0/PM_VECTOR_SNAP;
AnglesToAxis( cg.view.angles, rd->viewaxis );
rd->rdflags = CG_RenderFlags();
// warp if underwater
if( rd->rdflags & RDF_UNDERWATER )
{
float phase = rd->time * 0.001 * WAVE_FREQUENCY * M_TWOPI;
float v = WAVE_AMPLITUDE * ( sin( phase ) - 1.0 ) + 1;
rd->fov_x *= v;
rd->fov_y *= v;
}
CG_AddLocalSounds();
CG_SetSceneTeamColors(); // update the team colors in the renderer
trap_R_RenderScene( &cg.view.refdef );
cg.oldAreabits = true;
trap_S_Update( cg.view.origin, cg.view.velocity, cg.view.axis, cgs.clientInfo[cgs.playerNum].name );
CG_Draw2D();
CG_ResetTemporaryBoneposesCache(); // clear for next frame
cg.viewFrameCount++;
}