quake4-sdk/source/game/Playback.cpp

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2007-06-15 00:00:00 +00:00
#include "../idlib/precompiled.h"
#pragma hdrstop
#include "Game_local.h"
#include "ai/AI.h"
#define RECORD_STATE_TRACE_LEN 2048.0f
class rvGamePlayback
{
public:
rvGamePlayback( void );
~rvGamePlayback( void );
void RecordData( const usercmd_t &cmd, idEntity *source );
private:
int mStartTime;
byte mOldFlags;
idStr mName;
idClipModel *mClipModel;
rvDeclPlayback *mPlayback;
};
idCVar g_recordPlayback( "g_recordPlayback", "0", CVAR_GAME | CVAR_INTEGER | CVAR_NOCHEAT, "record the player movement in a playback" );
idCVar g_playPlayback( "g_playPlayback", "0", CVAR_GAME | CVAR_INTEGER | CVAR_NOCHEAT, "plays the current playback in a camera path" );
rvGamePlayback *gamePlayback = NULL;
rvCameraPlayback *playbackCamera = NULL;
rvGamePlayback::rvGamePlayback( void )
{
idStr newName;
const idVec3 trace_mins( -1.0f, -1.0f, -1.0f );
const idVec3 trace_maxs( 1.0f, 1.0f, 1.0f );
const idBounds trace_bounds( trace_mins, trace_maxs );
idTraceModel traceModel( trace_bounds );
mStartTime = gameLocal.time;
mOldFlags = 0;
mClipModel = new idClipModel( traceModel );
if( !g_currentPlayback.GetInteger() )
{
newName = declManager->GetNewName( DECL_PLAYBACK, "playbacks/untitled" );
mPlayback = ( rvDeclPlayback * )declManager->CreateNewDecl( DECL_PLAYBACK, newName, newName + ".playback" );
mPlayback->ReplaceSourceFileText();
mPlayback->Invalidate();
g_currentPlayback.SetInteger( mPlayback->Index() );
}
else
{
mPlayback = ( rvDeclPlayback * )declManager->PlaybackByIndex( g_currentPlayback.GetInteger() );
}
declManager->StartPlaybackRecord( mPlayback );
common->Printf( "Starting playback record to %s type %d\n", mPlayback->GetName(), g_recordPlayback.GetInteger() );
}
rvGamePlayback::~rvGamePlayback( void )
{
declManager->FinishPlayback( mPlayback );
delete mClipModel;
common->Printf( "Stopping playback play/record\n" );
}
void rvGamePlayback::RecordData( const usercmd_t &cmd, idEntity *source )
{
idPlayer *player;
trace_t trace;
idMat3 axis;
idVec3 start, end;
rvDeclPlaybackData info;
info.Init();
switch( g_recordPlayback.GetInteger() )
{
case 1:
info.SetPosition( source->GetPhysics()->GetOrigin() );
info.SetAngles( source->GetPhysics()->GetAxis().ToAngles() );
break;
case 2:
gameLocal.GetPlayerView( start, axis );
end = start + axis[0] * RECORD_STATE_TRACE_LEN;
gameLocal.Translation( gameLocal.GetLocalPlayer(), trace, start, end, mClipModel, mat3_identity, CONTENTS_SOLID | CONTENTS_RENDERMODEL, source );
if( trace.fraction != 1.0f )
{
info.SetPosition( trace.endpos );
info.SetAngles( trace.c.normal.ToAngles() );
}
break;
case 3:
assert( source->IsType( idPlayer::GetClassType() ) );
if( source->IsType( idPlayer::GetClassType() ) )
{
player = static_cast<idPlayer *>( source );
info.SetPosition( player->GetEyePosition() );
info.SetAngles( source->GetPhysics()->GetAxis().ToAngles() );
}
break;
}
// Record buttons
info.SetButtons( cmd.buttons );
// Record impulses
if( ( cmd.flags & UCF_IMPULSE_SEQUENCE ) != ( mOldFlags & UCF_IMPULSE_SEQUENCE ) )
{
info.SetImpulse( cmd.impulse );
}
else
{
info.SetImpulse( 0 );
}
mOldFlags = cmd.flags;
declManager->SetPlaybackData( mPlayback, gameLocal.time - mStartTime, -1, &info );
}
// ================================================================================================
void idGameEdit::DrawPlaybackDebugInfo( void )
{
int duration, time;
rvDeclPlaybackData pbd, pbdOld;
const rvDeclPlayback *pb;
pb = declManager->PlaybackByIndex( g_currentPlayback.GetInteger(), true );
if( pb )
{
duration = SEC2MS( pb->GetDuration() );
pbd.Init();
pbdOld.Init();
declManager->GetPlaybackData( pb, -1, 0, 0, &pbdOld );
for( time = gameLocal.GetMSec(); time < duration; time += gameLocal.GetMSec() * g_showPlayback.GetInteger() )
{
declManager->GetPlaybackData( pb, -1, time, time, &pbd );
gameRenderWorld->DebugArrow( colorGreen, pbdOld.GetPosition(), pbd.GetPosition(), 2 );
pbdOld = pbd;
}
gameRenderWorld->DebugBounds( colorRed, pb->GetBounds(), pb->GetOrigin() );
}
}
void idGameEdit::RecordPlayback( const usercmd_t &cmd, idEntity *source )
{
// Not recording - so instantly exit
if( !g_recordPlayback.GetInteger() && !gamePlayback )
{
return;
}
if( !gamePlayback )
{
gamePlayback = new rvGamePlayback();
}
if( g_recordPlayback.GetInteger() )
{
gamePlayback->RecordData( cmd, source );
}
else
{
delete gamePlayback;
gamePlayback = NULL;
}
}
// ================================================================================================
bool idGameEdit::PlayPlayback( void )
{
// Not playing - so instantly exit
if( !g_playPlayback.GetInteger() && !playbackCamera )
{
return( false );
}
if( !playbackCamera )
{
playbackCamera = static_cast<rvCameraPlayback *>( gameLocal.SpawnEntityType( rvCameraPlayback::GetClassType() ) );
SetCamera( playbackCamera );
common->Printf( "Starting playback play\n" );
}
if( g_currentPlayback.IsModified() )
{
// Spawn is a misnomer - it should be init with new data
playbackCamera->Spawn();
g_currentPlayback.ClearModified();
}
if( !g_playPlayback.GetInteger() )
{
playbackCamera->PostEventMS( &EV_Remove, 0 );
playbackCamera = NULL;
SetCamera( NULL );
}
return( true );
}
// ================================================================================================
void idGameEdit::ShutdownPlaybacks( void )
{
g_recordPlayback.SetInteger( 0 );
g_playPlayback.SetInteger( 0 );
if( gamePlayback )
{
delete gamePlayback;
gamePlayback = NULL;
}
if( playbackCamera )
{
playbackCamera->PostEventMS( &EV_Remove, 0 );
playbackCamera = NULL;
SetCamera( NULL );
}
}
// ================================================================================================
/*
============
rvPlaybackDriver::Start
Start a new playback automatically blending with the old playback (if any) over numFrames
============
*/
bool rvPlaybackDriver::Start( const char *playback, idEntity *owner, int flags, int numFrames )
{
idVec3 startPos;
if( !idStr::Length( playback ) )
{
mPlaybackDecl = NULL;
mOldPlaybackDecl = NULL;
return( true );
}
const rvDeclPlayback *pb = declManager->FindPlayback( playback );
if( g_showPlayback.GetInteger() )
{
common->Printf( "Starting playback: %s\n", pb->GetName() );
}
mOldPlaybackDecl = mPlaybackDecl;
mOldFlags = mFlags;
mOldStartTime = mStartTime;
mOldOffset = mOffset;
mPlaybackDecl = pb;
mFlags = flags;
mStartTime = gameLocal.time;
mOffset.Zero();
if( flags & PBFL_RELATIVE_POSITION )
{
mOffset = owner->GetPhysics()->GetOrigin() - pb->GetOrigin();
}
mTransitionTime = numFrames * gameLocal.GetMSec();
return( true );
}
/*
============
PlaybackCallback
Called whenever a button up or down, or an impulse event is found while getting the playback data
============
*/
void PlaybackCallback( int type, float time, const void *data )
{
const rvDeclPlaybackData *pbd = ( const rvDeclPlaybackData * )data;
idEntity *ent = pbd->GetEntity();
ent->PostEventSec( &EV_PlaybackCallback, time, type, pbd->GetChanged(), pbd->GetImpulse() );
}
/*
============
rvPlaybackDriver::UpdateFrame
Blend two playbacks together
============
*/
bool rvPlaybackDriver::UpdateFrame( idEntity *ent, rvDeclPlaybackData &out )
{
rvDeclPlaybackData pbd, oldPbd;
float blend, invBlend;
idStr ret;
bool expired, oldExpired;
// Get the current playback position
pbd.Init();
pbd.SetCallback( ent, PlaybackCallback );
expired = declManager->GetPlaybackData( mPlaybackDecl, mFlags, gameLocal.time - mStartTime, mLastTime - mStartTime, &pbd );
pbd.SetPosition( pbd.GetPosition() + mOffset );
// Get the playback data we are merging from
oldPbd.Init();
oldExpired = declManager->GetPlaybackData( mOldPlaybackDecl, mOldFlags, gameLocal.time - mOldStartTime, gameLocal.time - mOldStartTime, &oldPbd );
oldPbd.SetPosition( oldPbd.GetPosition() + mOldOffset );
mLastTime = gameLocal.time;
if( g_showPlayback.GetInteger() && mPlaybackDecl )
{
common->Printf( "Running playback: %s at %.1f\n", mPlaybackDecl->GetName(), MS2SEC( gameLocal.time - mStartTime ) );
}
// Fully merged - so delete the old one
if( gameLocal.time > mStartTime + mTransitionTime )
{
oldExpired = true;
}
// Interpolate the result
if( expired && oldExpired )
{
out.Init();
mPlaybackDecl = NULL;
mOldPlaybackDecl = NULL;
}
else if( !expired && oldExpired )
{
out = pbd;
mOldPlaybackDecl = NULL;
}
else if( expired && !oldExpired )
{
out = oldPbd;
mPlaybackDecl = NULL;
}
else
{
// Linear zero to one
blend = idMath::ClampFloat( 0.0f, 1.0f, ( gameLocal.time - mStartTime ) / ( float )mTransitionTime );
// Sinusoidal
blend = idMath::Sin( blend * idMath::HALF_PI );
invBlend = 1.0f - blend;
out.SetPosition( blend * pbd.GetPosition() + invBlend * oldPbd.GetPosition() );
out.SetAngles( blend * pbd.GetAngles() + invBlend * oldPbd.GetAngles() );
out.SetButtons( pbd.GetButtons() );
out.SetImpulse( pbd.GetImpulse() );
}
return( expired );
}
// cnicholson: Begin Added save/restore functionality
/*
============
rvPlaybackDriver::Save
Save all member vars for save/load games
============
*/
void rvPlaybackDriver::Save( idSaveGame *savefile ) const {
savefile->WriteInt( mLastTime ); // cnicholson: Added unsaved var
savefile->WriteInt( mTransitionTime ); // cnicholson: Added unsaved var
savefile->WriteInt( mStartTime ); // cnicholson: Added unsaved var
savefile->WriteInt( mFlags ); // cnicholson: Added unsaved var
// TOSAVE: const rvDeclPlayback *mPlaybackDecl;
savefile->WriteVec3( mOffset ); // cnicholson: Added unsaved var
savefile->WriteInt( mOldStartTime ); // cnicholson: Added unsaved var
savefile->WriteInt( mOldFlags ); // cnicholson: Added unsaved var
// TOSAVE: const rvDeclPlayback *mOldPlaybackDecl;
savefile->WriteVec3( mOldOffset ); // cnicholson: Added unsaved var
}
/*
============
rvPlaybackDriver::Restore
Restore all member vars for save/load games
============
*/
void rvPlaybackDriver::Restore( idRestoreGame *savefile ) {
savefile->ReadInt( mLastTime ); // cnicholson: Added unrestored var
savefile->ReadInt( mTransitionTime ); // cnicholson: Added unrestored var
savefile->ReadInt( mStartTime ); // cnicholson: Added unrestored var
savefile->ReadInt( mFlags ); // cnicholson: Added unrestored var
// TOSAVE: const rvDeclPlayback *mPlaybackDecl;
savefile->ReadVec3( mOffset ); // cnicholson: Added unrestored var
savefile->ReadInt( mOldStartTime ); // cnicholson: Added unrestored var
savefile->ReadInt( mOldFlags ); // cnicholson: Added unrestored var
// TOSAVE: const rvDeclPlayback *mOldPlaybackDecl;
savefile->ReadVec3( mOldOffset ); // cnicholson: Added unrestored var
}
// cnicholson: End Added save/restore functionality
// end