* Moved existing src directory out the way whilst I merge ioq3

1 files changed, 0 insertions, 402 deletions

diff --git a/src/cgame/cg_snapshot.c b/src/cgame/cg_snapshot.c
deleted file mode 100644
index 4a5722ae..00000000
--- a/src/cgame/cg_snapshot.c
+++ /dev/null
@@ -1,402 +0,0 @@
-// Copyright (C) 1999-2000 Id Software, Inc.
-//
-// cg_snapshot.c -- things that happen on snapshot transition,
-// not necessarily every single rendered frame
-
-/*
- *  Portions Copyright (C) 2000-2001 Tim Angus
- *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms of the OSML - Open Source Modification License v1.0 as
- *  described in the file COPYING which is distributed with this source
- *  code.
- *
- *  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.
- */
-
-#include "cg_local.h"
-
-/*
-==================
-CG_ResetEntity
-==================
-*/
-static void CG_ResetEntity( centity_t *cent )
-{
-  // if the previous snapshot this entity was updated in is at least
-  // an event window back in time then we can reset the previous event
-  if( cent->snapShotTime < cg.time - EVENT_VALID_MSEC )
-    cent->previousEvent = 0;
-
-  cent->trailTime = cg.snap->serverTime;
-
-  VectorCopy( cent->currentState.origin, cent->lerpOrigin );
-  VectorCopy( cent->currentState.angles, cent->lerpAngles );
-
-  if( cent->currentState.eType == ET_PLAYER )
-    CG_ResetPlayerEntity( cent );
-}
-
-/*
-===============
-CG_TransitionEntity
-
-cent->nextState is moved to cent->currentState and events are fired
-===============
-*/
-static void CG_TransitionEntity( centity_t *cent )
-{
-  cent->currentState = cent->nextState;
-  cent->currentValid = qtrue;
-
-  // reset if the entity wasn't in the last frame or was teleported
-  if( !cent->interpolate )
-    CG_ResetEntity( cent );
-
-  // clear the next state.  if will be set by the next CG_SetNextSnap
-  cent->interpolate = qfalse;
-
-  // check for events
-  CG_CheckEvents( cent );
-}
-
-
-/*
-==================
-CG_SetInitialSnapshot
-
-This will only happen on the very first snapshot, or
-on tourney restarts.  All other times will use
-CG_TransitionSnapshot instead.
-
-FIXME: Also called by map_restart?
-==================
-*/
-void CG_SetInitialSnapshot( snapshot_t *snap )
-{
-  int           i;
-  centity_t     *cent;
-  entityState_t *state;
-
-  cg.snap = snap;
-
-  BG_PlayerStateToEntityState( &snap->ps, &cg_entities[ snap->ps.clientNum ].currentState, qfalse );
-
-  // sort out solid entities
-  CG_BuildSolidList( );
-
-  CG_ExecuteNewServerCommands( snap->serverCommandSequence );
-
-  // set our local weapon selection pointer to
-  // what the server has indicated the current weapon is
-  CG_Respawn( );
-
-  for( i = 0; i < cg.snap->numEntities; i++ )
-  {
-    state = &cg.snap->entities[ i ];
-    cent = &cg_entities[ state->number ];
-
-    memcpy( &cent->currentState, state, sizeof( entityState_t ) );
-    //cent->currentState = *state;
-    cent->interpolate = qfalse;
-    cent->currentValid = qtrue;
-
-    CG_ResetEntity( cent );
-
-    // check for events
-    CG_CheckEvents( cent );
-  }
-}
-
-
-/*
-===================
-CG_TransitionSnapshot
-
-The transition point from snap to nextSnap has passed
-===================
-*/
-static void CG_TransitionSnapshot( void )
-{
-  centity_t   *cent;
-  snapshot_t  *oldFrame;
-  int         i;
-
-  if( !cg.snap )
-    CG_Error( "CG_TransitionSnapshot: NULL cg.snap" );
-
-  if( !cg.nextSnap )
-    CG_Error( "CG_TransitionSnapshot: NULL cg.nextSnap" );
-
-  // execute any server string commands before transitioning entities
-  CG_ExecuteNewServerCommands( cg.nextSnap->serverCommandSequence );
-
-  // if we had a map_restart, set everthing with initial
-  if( !cg.snap ) { } //TA: ?
-
-  // clear the currentValid flag for all entities in the existing snapshot
-  for( i = 0; i < cg.snap->numEntities; i++ )
-  {
-    cent = &cg_entities[ cg.snap->entities[ i ].number ];
-    cent->currentValid = qfalse;
-  }
-
-  // move nextSnap to snap and do the transitions
-  oldFrame = cg.snap;
-  cg.snap = cg.nextSnap;
-
-  BG_PlayerStateToEntityState( &cg.snap->ps, &cg_entities[ cg.snap->ps.clientNum ].currentState, qfalse );
-  cg_entities[ cg.snap->ps.clientNum ].interpolate = qfalse;
-
-  for( i = 0; i < cg.snap->numEntities; i++ )
-  {
-    cent = &cg_entities[ cg.snap->entities[ i ].number ];
-    CG_TransitionEntity( cent );
-
-    // remember time of snapshot this entity was last updated in
-    cent->snapShotTime = cg.snap->serverTime;
-  }
-
-  cg.nextSnap = NULL;
-
-  // check for playerstate transition events
-  if( oldFrame )
-  {
-    playerState_t *ops, *ps;
-
-    ops = &oldFrame->ps;
-    ps = &cg.snap->ps;
-    // teleporting checks are irrespective of prediction
-    if( ( ps->eFlags ^ ops->eFlags ) & EF_TELEPORT_BIT )
-      cg.thisFrameTeleport = qtrue; // will be cleared by prediction code
-
-    // if we are not doing client side movement prediction for any
-    // reason, then the client events and view changes will be issued now
-    if( cg.demoPlayback || ( cg.snap->ps.pm_flags & PMF_FOLLOW ) ||
-        cg_nopredict.integer || cg_synchronousClients.integer )
-      CG_TransitionPlayerState( ps, ops );
-  }
-}
-
-
-/*
-===================
-CG_SetNextSnap
-
-A new snapshot has just been read in from the client system.
-===================
-*/
-static void CG_SetNextSnap( snapshot_t *snap )
-{
-  int           num;
-  entityState_t *es;
-  centity_t     *cent;
-
-  cg.nextSnap = snap;
-
-  BG_PlayerStateToEntityState( &snap->ps, &cg_entities[ snap->ps.clientNum ].nextState, qfalse );
-  cg_entities[ cg.snap->ps.clientNum ].interpolate = qtrue;
-
-  // check for extrapolation errors
-  for( num = 0 ; num < snap->numEntities ; num++ )
-  {
-    es = &snap->entities[ num ];
-    cent = &cg_entities[ es->number ];
-
-    memcpy( &cent->nextState, es, sizeof( entityState_t ) );
-    //cent->nextState = *es;
-
-    // if this frame is a teleport, or the entity wasn't in the
-    // previous frame, don't interpolate
-    if( !cent->currentValid || ( ( cent->currentState.eFlags ^ es->eFlags ) & EF_TELEPORT_BIT ) )
-      cent->interpolate = qfalse;
-    else
-      cent->interpolate = qtrue;
-  }
-
-  // if the next frame is a teleport for the playerstate, we
-  // can't interpolate during demos
-  if( cg.snap && ( ( snap->ps.eFlags ^ cg.snap->ps.eFlags ) & EF_TELEPORT_BIT ) )
-    cg.nextFrameTeleport = qtrue;
-  else
-    cg.nextFrameTeleport = qfalse;
-
-  // if changing follow mode, don't interpolate
-  if( cg.nextSnap->ps.clientNum != cg.snap->ps.clientNum )
-    cg.nextFrameTeleport = qtrue;
-
-  // if changing server restarts, don't interpolate
-  if( ( cg.nextSnap->snapFlags ^ cg.snap->snapFlags ) & SNAPFLAG_SERVERCOUNT )
-    cg.nextFrameTeleport = qtrue;
-
-  // sort out solid entities
-  CG_BuildSolidList( );
-}
-
-
-/*
-========================
-CG_ReadNextSnapshot
-
-This is the only place new snapshots are requested
-This may increment cgs.processedSnapshotNum multiple
-times if the client system fails to return a
-valid snapshot.
-========================
-*/
-static snapshot_t *CG_ReadNextSnapshot( void )
-{
-  qboolean    r;
-  snapshot_t  *dest;
-
-  if( cg.latestSnapshotNum > cgs.processedSnapshotNum + 1000 )
-  {
-    CG_Printf( "WARNING: CG_ReadNextSnapshot: way out of range, %i > %i",
-      cg.latestSnapshotNum, cgs.processedSnapshotNum );
-  }
-
-  while( cgs.processedSnapshotNum < cg.latestSnapshotNum )
-  {
-    // decide which of the two slots to load it into
-    if( cg.snap == &cg.activeSnapshots[ 0 ] )
-      dest = &cg.activeSnapshots[ 1 ];
-    else
-      dest = &cg.activeSnapshots[ 0 ];
-
-    // try to read the snapshot from the client system
-    cgs.processedSnapshotNum++;
-    r = trap_GetSnapshot( cgs.processedSnapshotNum, dest );
-
-    // FIXME: why would trap_GetSnapshot return a snapshot with the same server time
-    if( cg.snap && r && dest->serverTime == cg.snap->serverTime )
-    {
-      //continue;
-    }
-
-    // if it succeeded, return
-    if( r )
-    {
-      CG_AddLagometerSnapshotInfo( dest );
-      return dest;
-    }
-
-    // a GetSnapshot will return failure if the snapshot
-    // never arrived, or  is so old that its entities
-    // have been shoved off the end of the circular
-    // buffer in the client system.
-
-    // record as a dropped packet
-    CG_AddLagometerSnapshotInfo( NULL );
-
-    // If there are additional snapshots, continue trying to
-    // read them.
-  }
-
-  // nothing left to read
-  return NULL;
-}
-
-
-/*
-============
-CG_ProcessSnapshots
-
-We are trying to set up a renderable view, so determine
-what the simulated time is, and try to get snapshots
-both before and after that time if available.
-
-If we don't have a valid cg.snap after exiting this function,
-then a 3D game view cannot be rendered.  This should only happen
-right after the initial connection.  After cg.snap has been valid
-once, it will never turn invalid.
-
-Even if cg.snap is valid, cg.nextSnap may not be, if the snapshot
-hasn't arrived yet (it becomes an extrapolating situation instead
-of an interpolating one)
-
-============
-*/
-void CG_ProcessSnapshots( void )
-{
-  snapshot_t  *snap;
-  int         n;
-
-  // see what the latest snapshot the client system has is
-  trap_GetCurrentSnapshotNumber( &n, &cg.latestSnapshotTime );
-
-  if( n != cg.latestSnapshotNum )
-  {
-    if( n < cg.latestSnapshotNum )
-    {
-      // this should never happen
-      CG_Error( "CG_ProcessSnapshots: n < cg.latestSnapshotNum" );
-    }
-
-    cg.latestSnapshotNum = n;
-  }
-
-  // If we have yet to receive a snapshot, check for it.
-  // Once we have gotten the first snapshot, cg.snap will
-  // always have valid data for the rest of the game
-  while( !cg.snap )
-  {
-    snap = CG_ReadNextSnapshot( );
-
-    if( !snap )
-    {
-      // we can't continue until we get a snapshot
-      return;
-    }
-
-    // set our weapon selection to what
-    // the playerstate is currently using
-    if( !( snap->snapFlags & SNAPFLAG_NOT_ACTIVE ) )
-      CG_SetInitialSnapshot( snap );
-  }
-
-  // loop until we either have a valid nextSnap with a serverTime
-  // greater than cg.time to interpolate towards, or we run
-  // out of available snapshots
-  do
-  {
-    // if we don't have a nextframe, try and read a new one in
-    if( !cg.nextSnap )
-    {
-      snap = CG_ReadNextSnapshot( );
-
-      // if we still don't have a nextframe, we will just have to
-      // extrapolate
-      if( !snap )
-        break;
-
-      CG_SetNextSnap( snap );
-
-      // if time went backwards, we have a level restart
-      if( cg.nextSnap->serverTime < cg.snap->serverTime )
-        CG_Error( "CG_ProcessSnapshots: Server time went backwards" );
-    }
-
-    // if our time is < nextFrame's, we have a nice interpolating state
-    if( cg.time >= cg.snap->serverTime && cg.time < cg.nextSnap->serverTime )
-      break;
-
-    // we have passed the transition from nextFrame to frame
-    CG_TransitionSnapshot( );
-  } while( 1 );
-
-  // assert our valid conditions upon exiting
-  if( cg.snap == NULL )
-    CG_Error( "CG_ProcessSnapshots: cg.snap == NULL" );
-
-  if( cg.time < cg.snap->serverTime )
-  {
-    // this can happen right after a vid_restart
-    cg.time = cg.snap->serverTime;
-  }
-
-  if( cg.nextSnap != NULL && cg.nextSnap->serverTime <= cg.time )
-    CG_Error( "CG_ProcessSnapshots: cg.nextSnap->serverTime <= cg.time" );
-}
-