bool OpenALMusicPlayer::playAndManageBuffer() { if (!ready) { return false; } int processed; bool active = true; alGetSourcei(source, AL_BUFFERS_PROCESSED, &processed); while(processed--) { ALuint buffer; alSourceUnqueueBuffers(source, 1, &buffer); check(); active = streamBuffer(buffer); alSourceQueueBuffers(source, 1, &buffer); check(); } if (!active && !isPlaying()) { // Try to reanimate playback if(!startPlayback()) { GfError("OpenALMusicPlayer: Cannot play stream.\n"); } } return true; }
bool OpenALMusicPlayer::startPlayback() { if(isPlaying()) { return true; } if(!streamBuffer(buffers[0])) { return false; } if(!streamBuffer(buffers[1])) { return false; } alSourceQueueBuffers(source, 2, buffers); alSourcePlay(source); return true; }
void optimize() { if(size.x == 0 || size.y == 0) return; boost::shared_ptr<filesystem::MemoryStreamBuffer> streamBuffer(new filesystem::MemoryStreamBuffer()); filesystem::OutputStream outputStream; outputStream.setBuffer(streamBuffer); filesystem::InputStream inputStream; inputStream.setBuffer(streamBuffer); for(int yb = 0; yb < blockAmount.y; ++yb) for(int xb = 0; xb < blockAmount.x; ++xb) { int xo = xb * (BLOCK_SIZE - 1); int yo = yb * (BLOCK_SIZE - 1); // Collect texture influences std::vector<OptimizeLayer> amounts(blendings.size()); { for(unsigned int i = 0; i < blendings.size(); ++i) { amounts[i].index = i; BlendStorage &blend = blendings[i]; for(int y = 0; y < BLOCK_SIZE; ++y) for(int x = 0; x < BLOCK_SIZE; ++x) { int index = (yo + y) * size.x + xo + x; int value = blend.weights[index]; /* if(value < 50) { value = 0; blend.weights[index] = 0; } */ amounts[i].order += value; } } std::sort(amounts.begin(), amounts.end(), OptimizeLayerSorter()); } // Normalize out all others { for(int y = 0; y < BLOCK_SIZE; ++y) for(int x = 0; x < BLOCK_SIZE; ++x) { int xp = xo + x; int yp = yo + y; if(xp < 0 || yp < 0 || xp >= size.x || yp >= size.y) continue; int index = yp * size.x + xp; int layerAmount = min(MAX_OPTIMIZE_LAYERS, int(amounts.size())); if(!layerAmount) continue; // Find highest amount of used textures (default 0) and normalize by // adding missing blend weights to it int highest = amounts[0].index; int highestAmount = blendings[highest].weights[index]; int combined = 0; if(highestAmount < 255) int a = 0; int i = 0; for(i = 0; i < layerAmount; ++i) { int current = blendings[amounts[i].index].weights[index]; combined += current; if(current > highestAmount) { highest = amounts[i].index; highestAmount = current; } } for(i = layerAmount; i < int(amounts.size()); ++i) blendings[amounts[i].index].weights[index] = 0; blendings[highest].weights[index] += 255 - combined; } } } /* // highest weight, texture index pairs for normalization std::vector<std::pair<int, int> > weights; // Amount of weights removed from given pixel std::vector<unsigned char> weightSub; weights.resize(size.x * size.y, std::pair<int, int> (-1, 0)); weightSub.resize(size.x * size.y); for(unsigned int i = 0; i < blendings.size(); ++i) { BlendStorage &blend = blendings[i]; for(unsigned int j = 0; j < blend.weights.size(); ++j) { std::pair<int, int> currentWeight(blend.weights[j], i); weights[j] = std::max(weights[j], currentWeight); if(blend.weights[j] < 75) { weightSub[j] += blend.weights[j]; blend.weights[j] = 0; } } } // Normalize for(unsigned int j = 0; j < weightSub.size(); ++j) { std::pair<int, int> ¤tWeight = weights[j]; if(currentWeight.second < 0) continue; blendings[currentWeight.second].weights[j] += weightSub[j]; } */ write(outputStream); read(inputStream); }
void Mesh::transform() { const NifModel * nif = static_cast<const NifModel *>( iBlock.model() ); if ( ! nif || ! iBlock.isValid() ) { clear(); return; } if ( upData ) { upData = false; // update for NiMesh if ( nif->checkVersion( 0x14050000, 0 ) && nif->inherits( iBlock, "NiMesh" ) ) { #ifndef QT_NO_DEBUG // do stuff qWarning() << "Entering NiMesh decoding..."; // mesh primitive type QString meshPrimitiveType = NifValue::enumOptionName( "MeshPrimitiveType", nif->get<uint>( iData, "Primitive Type" ) ); qWarning() << "Mesh uses" << meshPrimitiveType; for ( int i = 0; i < nif->rowCount( iData ); i ++ ) { // each data reference is to a single data stream quint32 stream = nif->getLink( iData.child( i, 0 ), "Stream" ); qWarning() << "Data stream: " << stream; // can have multiple submeshes, unsure of exact meaning ushort numSubmeshes = nif->get<ushort>( iData.child( i, 0 ), "Num Submeshes" ); qWarning() << "Submeshes: " << numSubmeshes; QPersistentModelIndex submeshMap = nif->getIndex( iData.child( i, 0 ), "Submesh To Region Map" ); for ( int j = 0; j < numSubmeshes; j++ ) { qWarning() << "Submesh" << j << "maps to region" << nif->get<ushort>( submeshMap.child( j, 0 ) ); } // each stream can have multiple components, and each has a starting index QMap<uint, QString> componentIndexMap; int numComponents = nif->get<int>( iData.child( i, 0 ), "Num Components" ); qWarning() << "Components: " << numComponents; // semantics determine the usage QPersistentModelIndex componentSemantics = nif->getIndex( iData.child( i, 0 ), "Component Semantics" ); for( int j = 0; j < numComponents; j++ ) { QString name = nif->get<QString>( componentSemantics.child( j, 0 ), "Name" ); uint index = nif->get<uint>( componentSemantics.child( j, 0 ), "Index" ); qWarning() << "Component" << name << "at position" << index << "of component" << j << "in stream" << stream; componentIndexMap.insert( j, QString( "%1 %2").arg( name ).arg( index ) ); } // now the data stream itself... QPersistentModelIndex dataStream = nif->getBlock( stream ); QByteArray streamData = nif->get<QByteArray>( nif->getIndex( dataStream, "Data" ).child( 0, 0 ) ); QBuffer streamBuffer( &streamData ); streamBuffer.open( QIODevice::ReadOnly ); // probably won't use this QDataStream streamReader( &streamData, QIODevice::ReadOnly ); // we should probably check the header here, but we expect things to be little endian streamReader.setByteOrder( QDataStream::LittleEndian ); // each region exists within the data stream at the specified index quint32 numRegions = nif->get<quint32>( dataStream, "Num Regions"); QPersistentModelIndex regions = nif->getIndex( dataStream, "Regions" ); quint32 totalIndices = 0; if ( regions.isValid() ) { qWarning() << numRegions << " regions in this stream"; for( quint32 j = 0; j < numRegions; j++ ) { qWarning() << "Start index: " << nif->get<quint32>( regions.child( j, 0 ), "Start Index" ); qWarning() << "Num indices: " << nif->get<quint32>( regions.child( j, 0 ), "Num Indices" ); totalIndices += nif->get<quint32>( regions.child( j, 0 ), "Num Indices" ); } qWarning() << totalIndices << "total indices in" << numRegions << "regions"; } uint numStreamComponents = nif->get<uint>( dataStream, "Num Components" ); qWarning() << "Stream has" << numStreamComponents << "components"; QPersistentModelIndex streamComponents = nif->getIndex( dataStream, "Component Formats" ); // stream components are interleaved, so we need to know their type before we read them QList<uint> typeList; for( uint j = 0; j < numStreamComponents; j++ ) { uint compFormat = nif->get<uint>( streamComponents.child( j, 0 ) ); QString compName = NifValue::enumOptionName( "ComponentFormat", compFormat ); qWarning() << "Component format is" << compName; qWarning() << "Stored as a" << compName.split( "_" )[1]; typeList.append( compFormat - 1 ); // this can probably wait until we're reading the stream values QString compNameIndex = componentIndexMap.value( j ); QString compType = compNameIndex.split( " " )[0]; uint startIndex = compNameIndex.split( " " )[1].toUInt(); qWarning() << "Component" << j << "contains" << compType << "starting at index" << startIndex; // try and sort out texcoords here... if( compType == "TEXCOORD" ) { QVector<Vector2> tempCoords; coords.append( tempCoords ); qWarning() << "Assigning coordinate set" << startIndex; } } // for each component // get the length // get the underlying type (will probably need OpenEXR to deal with float16 types) // read that type in, k times, where k is the length of the vector // start index will not be 0 if eg. multiple UV maps, but hopefully we don't have multiple components for( uint j = 0; j < totalIndices; j++ ) { for( uint k = 0; k < numStreamComponents; k++ ) { int typeLength = ( ( typeList[k] & 0x000F0000 ) >> 0x10 ); int typeSize = ( ( typeList[k] & 0x00000F00 ) >> 0x08 ); qWarning() << "Reading" << typeLength << "values" << typeSize << "bytes"; NifIStream tempInput( new NifModel, &streamBuffer ); QList<NifValue> values; NifValue tempValue; // if we had the right types, we could read in Vector etc. and not have the mess below switch( ( typeList[k] & 0x00000FF0 ) >> 0x04 ) { case 0x10: tempValue.changeType( NifValue::tByte ); break; case 0x21: tempValue.changeType( NifValue::tShort ); break; case 0x42: tempValue.changeType( NifValue::tInt ); break; case 0x43: tempValue.changeType( NifValue::tFloat ); break; } for( int l = 0; l < typeLength; l++ ) { tempInput.read( tempValue ); values.append( tempValue ); qWarning() << tempValue.toString(); } QString compType = componentIndexMap.value( k ).split( " " )[0]; qWarning() << "Will store this value in" << compType; // the mess begins... if( NifValue::enumOptionName( "ComponentFormat", (typeList[k] + 1 ) ) == "F_FLOAT32_3" ) { Vector3 tempVect3( values[0].toFloat(), values[1].toFloat(), values[2].toFloat() ); if( compType == "POSITION" ) { verts.append( tempVect3 ); } else if( compType == "NORMAL" ) { norms.append( tempVect3 ); } } else if( compType == "INDEX" ) { indices.append( values[0].toCount() ); } else if( compType == "TEXCOORD" ) { Vector2 tempVect2( values[0].toFloat(), values[1].toFloat() ); quint32 coordSet = componentIndexMap.value( k ).split( " " )[1].toUInt(); qWarning() << "Need to append" << tempVect2 << "to texcoords" << coordSet; QVector<Vector2> currentSet = coords[coordSet]; currentSet.append( tempVect2 ); coords[coordSet] = currentSet; } } } // build triangles, strips etc. if( meshPrimitiveType == "MESH_PRIMITIVE_TRIANGLES" ) { for( int k = 0; k < indices.size(); ) { Triangle tempTri( indices[k], indices[k+1], indices[k+2] ); qWarning() << "Inserting triangle" << tempTri; triangles.append( tempTri ); k = k+3; } } } #endif } else {