/*
===============
idClipModel::RestoreTraceModels
===============
*/
void idClipModel::RestoreTraceModels( idRestoreGame *savefile ) {
int i, num;
ClearTraceModelCache();
savefile->ReadInt( num );
traceModelCache.SetNum( num );
for( i = 0; i < num; i++ ) {
trmCache_t *entry = new trmCache_t;
savefile->ReadTraceModel( entry->trm );
savefile->ReadFloat( entry->volume );
savefile->ReadVec3( entry->centerOfMass );
savefile->ReadMat3( entry->inertiaTensor );
entry->refCount = 0;
traceModelCache[i] = entry;
traceModelHash.Add( GetTraceModelHashKey( entry->trm ), i );
}
}
/*
===============
idClipModel::AllocTraceModel
===============
*/
int idClipModel::AllocTraceModel( const idTraceModel &trm ) {
int i, hashKey, traceModelIndex;
trmCache_t *entry;
hashKey = GetTraceModelHashKey( trm );
for( i = traceModelHash.First( hashKey ); i >= 0; i = traceModelHash.Next( i ) ) {
if( traceModelCache[i]->trm == trm ) {
traceModelCache[i]->refCount++;
return i;
}
}
entry = new trmCache_t;
entry->trm = trm;
entry->trm.GetMassProperties( 1.0f, entry->volume, entry->centerOfMass, entry->inertiaTensor );
entry->refCount = 1;
traceModelIndex = traceModelCache.Append( entry );
traceModelHash.Add( hashKey, traceModelIndex );
return traceModelIndex;
}
/*
===============
idClipModel::AllocTraceModel
===============
*/
int idClipModel::AllocTraceModel( const idTraceModel& trm, bool persistantThroughSaves )
{
int i, hashKey, traceModelIndex;
trmCache_t* entry;
hashKey = GetTraceModelHashKey( trm );
if( persistantThroughSaves )
{
// Look Inside the saved list.
for( i = traceModelHash.First( hashKey ); i >= 0; i = traceModelHash.Next( i ) )
{
if( traceModelCache[i]->trm == trm )
{
traceModelCache[i]->refCount++;
int flagged_index = i | TRACE_MODEL_SAVED;
return flagged_index;
}
}
}
else
{
// Look inside the unsaved list.
for( i = traceModelHash_Unsaved.First( hashKey ); i >= 0; i = traceModelHash_Unsaved.Next( i ) )
{
if( traceModelCache_Unsaved[i]->trm == trm )
{
traceModelCache_Unsaved[i]->refCount++;
return i;
}
}
}
entry = new( TAG_PHYSICS_CLIP ) trmCache_t;
entry->trm = trm;
entry->trm.GetMassProperties( 1.0f, entry->volume, entry->centerOfMass, entry->inertiaTensor );
entry->refCount = 1;
if( persistantThroughSaves )
{
traceModelIndex = traceModelCache.Append( entry );
traceModelHash.Add( hashKey, traceModelIndex );
// Set the saved bit.
traceModelIndex |= TRACE_MODEL_SAVED;
}
else
{
traceModelIndex = traceModelCache_Unsaved.Append( entry );
traceModelHash_Unsaved.Add( hashKey, traceModelIndex );
// remove the saved bit
traceModelIndex &= ~TRACE_MODEL_SAVED;
}
return traceModelIndex;
}
