/*
================
idDeclParticle::Parse
================
*/
bool idDeclParticle::Parse( const char *text, const int textLength ) {
idLexer src;
idToken token;
src.LoadMemory( text, textLength, GetFileName(), GetLineNum() );
src.SetFlags( DECL_LEXER_FLAGS );
src.SkipUntilString( "{" );
depthHack = 0.0f;
while (1) {
if ( !src.ReadToken( &token ) ) {
break;
}
if ( !token.Icmp( "}" ) ) {
break;
}
if ( !token.Icmp( "{" ) ) {
idParticleStage *stage = ParseParticleStage( src );
if ( !stage ) {
src.Warning( "Particle stage parse failed" );
MakeDefault();
return false;
}
stages.Append( stage );
continue;
}
if ( !token.Icmp( "depthHack" ) ) {
depthHack = src.ParseFloat();
continue;
}
src.Warning( "bad token %s", token.c_str() );
MakeDefault();
return false;
}
//
// calculate the bounds
//
bounds.Clear();
for( int i = 0; i < stages.Num(); i++ ) {
GetStageBounds( stages[i] );
bounds.AddBounds( stages[i]->bounds );
}
if ( bounds.GetVolume() <= 0.1f ) {
bounds = idBounds( vec3_origin ).Expand( 8.0f );
}
return true;
}
/*
================
idDeclParticle::Parse
================
*/
bool idDeclParticle::Parse( const char* text, const int textLength, bool allowBinaryVersion )
{
if( cvarSystem->GetCVarBool( "fs_buildresources" ) )
{
fileSystem->AddParticlePreload( GetName() );
}
idLexer src;
idToken token;
unsigned int sourceChecksum = 0;
idStrStatic< MAX_OSPATH > generatedFileName;
if( allowBinaryVersion )
{
// Try to load the generated version of it
// If successful,
// - Create an MD5 of the hash of the source
// - Load the MD5 of the generated, if they differ, create a new generated
generatedFileName = "generated/particles/";
generatedFileName.AppendPath( GetName() );
generatedFileName.SetFileExtension( ".bprt" );
idFileLocal file( fileSystem->OpenFileReadMemory( generatedFileName ) );
sourceChecksum = MD5_BlockChecksum( text, textLength );
if( binaryLoadParticles.GetBool() && LoadBinary( file, sourceChecksum ) )
{
return true;
}
}
src.LoadMemory( text, textLength, GetFileName(), GetLineNum() );
src.SetFlags( DECL_LEXER_FLAGS );
src.SkipUntilString( "{" );
depthHack = 0.0f;
while( 1 )
{
if( !src.ReadToken( &token ) )
{
break;
}
if( !token.Icmp( "}" ) )
{
break;
}
if( !token.Icmp( "{" ) )
{
if( stages.Num() >= MAX_PARTICLE_STAGES )
{
src.Error( "Too many particle stages" );
MakeDefault();
return false;
}
idParticleStage* stage = ParseParticleStage( src );
if( !stage )
{
src.Warning( "Particle stage parse failed" );
MakeDefault();
return false;
}
stages.Append( stage );
continue;
}
if( !token.Icmp( "depthHack" ) )
{
depthHack = src.ParseFloat();
continue;
}
src.Warning( "bad token %s", token.c_str() );
MakeDefault();
return false;
}
// don't calculate bounds or write binary files for defaulted ( non-existent ) particles in resource builds
if( fileSystem->UsingResourceFiles() )
{
bounds = idBounds( vec3_origin ).Expand( 8.0f );
return true;
}
//
// calculate the bounds
//
bounds.Clear();
for( int i = 0; i < stages.Num(); i++ )
{
GetStageBounds( stages[i] );
bounds.AddBounds( stages[i]->bounds );
}
if( bounds.GetVolume() <= 0.1f )
{
bounds = idBounds( vec3_origin ).Expand( 8.0f );
}
if( allowBinaryVersion && binaryLoadParticles.GetBool() )
{
idLib::Printf( "Writing %s\n", generatedFileName.c_str() );
idFileLocal outputFile( fileSystem->OpenFileWrite( generatedFileName, "fs_basepath" ) );
WriteBinary( outputFile, sourceChecksum );
}
return true;
}
