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Diffstat (limited to 'src/imports/particles/ultraparticle.cpp')
| -rw-r--r-- | src/imports/particles/ultraparticle.cpp | 993 |
1 files changed, 993 insertions, 0 deletions
diff --git a/src/imports/particles/ultraparticle.cpp b/src/imports/particles/ultraparticle.cpp new file mode 100644 index 0000000000..fd49523aff --- /dev/null +++ b/src/imports/particles/ultraparticle.cpp @@ -0,0 +1,993 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Declarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <private/qsgcontext_p.h> +#include <private/qsgadaptationlayer_p.h> +#include <qsgnode.h> +#include <qsgtexturematerial.h> +#include <qsgtexture.h> +#include <QFile> +#include "ultraparticle.h" +#include "particleemitter.h" +#include "spritestate.h" +#include "spriteengine.h" +#include <QGLFunctions> +#include <qsgengine.h> + +QT_BEGIN_NAMESPACE + +const float CONV = 0.017453292519943295; +class UltraMaterial : public QSGMaterial +{ +public: + UltraMaterial(bool withSprites=false) + : timestamp(0) + , framecount(1) + , animcount(1) + , usesSprites(withSprites) + { + setFlag(Blending, true); + } + + ~UltraMaterial() + { + delete texture; + delete colortable; + delete sizetable; + delete opacitytable; + } + + virtual QSGMaterialType *type() const { static QSGMaterialType type; return &type; } + virtual QSGMaterialShader *createShader() const; + virtual int compare(const QSGMaterial *other) const + { + return this - static_cast<const UltraMaterial *>(other); + } + + QSGTexture *texture; + QSGTexture *colortable; + QSGTexture *sizetable; + QSGTexture *opacitytable; + + qreal timestamp; + int framecount; + int animcount; + bool usesSprites; +}; +class UltraMaterialData : public QSGMaterialShader +{ +public: + UltraMaterialData(const char *vertexFile = 0, const char *fragmentFile = 0) + { + QFile vf(vertexFile ? vertexFile : ":resources/ultravertex.shader"); + vf.open(QFile::ReadOnly); + m_vertex_code = vf.readAll(); + + QFile ff(fragmentFile ? fragmentFile : ":resources/ultrafragment.shader"); + ff.open(QFile::ReadOnly); + m_fragment_code = ff.readAll(); + + Q_ASSERT(!m_vertex_code.isNull()); + Q_ASSERT(!m_fragment_code.isNull()); + } + + void deactivate() { + QSGMaterialShader::deactivate(); + + for (int i=0; i<8; ++i) { + program()->setAttributeArray(i, GL_FLOAT, chunkOfBytes, 1, 0); + } + } + + virtual void updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *) + { + UltraMaterial *m = static_cast<UltraMaterial *>(newEffect); + state.context()->functions()->glActiveTexture(GL_TEXTURE1); + m->colortable->bind(); + program()->setUniformValue(m_colortable_id, 1); + + state.context()->functions()->glActiveTexture(GL_TEXTURE2); + m->sizetable->bind(); + program()->setUniformValue(m_sizetable_id, 2); + + state.context()->functions()->glActiveTexture(GL_TEXTURE3); + m->opacitytable->bind(); + program()->setUniformValue(m_opacitytable_id, 3); + + state.context()->functions()->glActiveTexture(GL_TEXTURE0);//Investigate why this screws up Text{} if placed before 1 + m->texture->bind(); + + program()->setUniformValue(m_opacity_id, state.opacity()); + program()->setUniformValue(m_timestamp_id, (float) m->timestamp); + program()->setUniformValue(m_framecount_id, (float) m->framecount); + program()->setUniformValue(m_animcount_id, (float) m->animcount); + + if (state.isMatrixDirty()) + program()->setUniformValue(m_matrix_id, state.combinedMatrix()); + } + + virtual void initialize() { + m_colortable_id = program()->uniformLocation("colortable"); + m_sizetable_id = program()->uniformLocation("sizetable"); + m_opacitytable_id = program()->uniformLocation("opacitytable"); + m_matrix_id = program()->uniformLocation("matrix"); + m_opacity_id = program()->uniformLocation("opacity"); + m_timestamp_id = program()->uniformLocation("timestamp"); + m_framecount_id = program()->uniformLocation("framecount"); + m_animcount_id = program()->uniformLocation("animcount"); + } + + virtual const char *vertexShader() const { return m_vertex_code.constData(); } + virtual const char *fragmentShader() const { return m_fragment_code.constData(); } + + virtual char const *const *attributeNames() const { + static const char *attr[] = { + "vPos", + "vTex", + "vData", + "vVec", + "vColor", + "vDeformVec", + "vRotation", + "vAnimData", + 0 + }; + return attr; + } + + virtual bool isColorTable() const { return false; } + + int m_matrix_id; + int m_opacity_id; + int m_timestamp_id; + int m_colortable_id; + int m_sizetable_id; + int m_opacitytable_id; + int m_framecount_id; + int m_animcount_id; + + QByteArray m_vertex_code; + QByteArray m_fragment_code; + + static float chunkOfBytes[1024]; +}; +float UltraMaterialData::chunkOfBytes[1024]; + +QSGMaterialShader *UltraMaterial::createShader() const +{ + if(usesSprites)//TODO: Perhaps just swap the shaders, and don't mind the extra vector? + return new UltraMaterialData; + else + return new UltraMaterialData; +} + + +class SimpleMaterial : public UltraMaterial +{ + virtual QSGMaterialShader *createShader() const; + virtual QSGMaterialType *type() const { static QSGMaterialType type; return &type; } +}; + +class SimpleMaterialData : public QSGMaterialShader +{ +public: + SimpleMaterialData(const char *vertexFile = 0, const char *fragmentFile = 0) + { + QFile vf(vertexFile ? vertexFile : ":resources/simplevertex.shader"); + vf.open(QFile::ReadOnly); + m_vertex_code = vf.readAll(); + + QFile ff(fragmentFile ? fragmentFile : ":resources/simplefragment.shader"); + ff.open(QFile::ReadOnly); + m_fragment_code = ff.readAll(); + + Q_ASSERT(!m_vertex_code.isNull()); + Q_ASSERT(!m_fragment_code.isNull()); + } + + void deactivate() { + QSGMaterialShader::deactivate(); + + for (int i=0; i<8; ++i) { + program()->setAttributeArray(i, GL_FLOAT, chunkOfBytes, 1, 0); + } + } + + virtual void updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *) + { + UltraMaterial *m = static_cast<UltraMaterial *>(newEffect); + state.context()->functions()->glActiveTexture(GL_TEXTURE0); + m->texture->bind(); + + program()->setUniformValue(m_opacity_id, state.opacity()); + program()->setUniformValue(m_timestamp_id, (float) m->timestamp); + + if (state.isMatrixDirty()) + program()->setUniformValue(m_matrix_id, state.combinedMatrix()); + } + + virtual void initialize() { + m_matrix_id = program()->uniformLocation("matrix"); + m_opacity_id = program()->uniformLocation("opacity"); + m_timestamp_id = program()->uniformLocation("timestamp"); + } + + virtual const char *vertexShader() const { return m_vertex_code.constData(); } + virtual const char *fragmentShader() const { return m_fragment_code.constData(); } + + virtual char const *const *attributeNames() const { + static const char *attr[] = { + "vPos", + "vTex", + "vData", + "vVec", + 0 + }; + return attr; + } + + virtual bool isColorTable() const { return false; } + + int m_matrix_id; + int m_opacity_id; + int m_timestamp_id; + + QByteArray m_vertex_code; + QByteArray m_fragment_code; + + static float chunkOfBytes[1024]; +}; +float SimpleMaterialData::chunkOfBytes[1024]; + +QSGMaterialShader *SimpleMaterial::createShader() const { + return new SimpleMaterialData; +} + +UltraParticle::UltraParticle(QSGItem* parent) + : ParticleType(parent) + , m_do_reset(false) + , m_color_variation(0.0) + , m_node(0) + , m_material(0) + , m_alphaVariation(0.0) + , m_alpha(1.0) + , m_redVariation(0.0) + , m_greenVariation(0.0) + , m_blueVariation(0.0) + , m_rotation(0) + , m_autoRotation(false) + , m_xVector(0) + , m_yVector(0) + , m_rotationVariation(0) + , m_rotationSpeed(0) + , m_rotationSpeedVariation(0) + , m_spriteEngine(0) + , m_bloat(false) + , perfLevel(Unknown) + , m_lastLevel(Unknown) +{ + setFlag(ItemHasContents); +} + +QDeclarativeListProperty<SpriteState> UltraParticle::sprites() +{ + return QDeclarativeListProperty<SpriteState>(this, &m_sprites, spriteAppend, spriteCount, spriteAt, spriteClear); +} + +void UltraParticle::setImage(const QUrl &image) +{ + if (image == m_image_name) + return; + m_image_name = image; + emit imageChanged(); + reset(); +} + + +void UltraParticle::setColortable(const QUrl &table) +{ + if (table == m_colortable_name) + return; + m_colortable_name = table; + emit colortableChanged(); + reset(); +} + +void UltraParticle::setSizetable(const QUrl &table) +{ + if (table == m_sizetable_name) + return; + m_sizetable_name = table; + emit sizetableChanged(); + reset(); +} + +void UltraParticle::setOpacitytable(const QUrl &table) +{ + if (table == m_opacitytable_name) + return; + m_opacitytable_name = table; + emit opacitytableChanged(); + reset(); +} + +void UltraParticle::setColor(const QColor &color) +{ + if (color == m_color) + return; + m_color = color; + emit colorChanged(); + if(perfLevel < Coloured) + reset(); +} + +void UltraParticle::setColorVariation(qreal var) +{ + if (var == m_color_variation) + return; + m_color_variation = var; + emit colorVariationChanged(); + if(perfLevel < Coloured) + reset(); +} + +void UltraParticle::setAlphaVariation(qreal arg) +{ + if (m_alphaVariation != arg) { + m_alphaVariation = arg; + emit alphaVariationChanged(arg); + } + if(perfLevel < Coloured) + reset(); +} + +void UltraParticle::setAlpha(qreal arg) +{ + if (m_alpha != arg) { + m_alpha = arg; + emit alphaChanged(arg); + } + if(perfLevel < Coloured) + reset(); +} + +void UltraParticle::setRedVariation(qreal arg) +{ + if (m_redVariation != arg) { + m_redVariation = arg; + emit redVariationChanged(arg); + } + if(perfLevel < Coloured) + reset(); +} + +void UltraParticle::setGreenVariation(qreal arg) +{ + if (m_greenVariation != arg) { + m_greenVariation = arg; + emit greenVariationChanged(arg); + } + if(perfLevel < Coloured) + reset(); +} + +void UltraParticle::setBlueVariation(qreal arg) +{ + if (m_blueVariation != arg) { + m_blueVariation = arg; + emit blueVariationChanged(arg); + } + if(perfLevel < Coloured) + reset(); +} + +void UltraParticle::setRotation(qreal arg) +{ + if (m_rotation != arg) { + m_rotation = arg; + emit rotationChanged(arg); + } + if(perfLevel < Deformable) + reset(); +} + +void UltraParticle::setRotationVariation(qreal arg) +{ + if (m_rotationVariation != arg) { + m_rotationVariation = arg; + emit rotationVariationChanged(arg); + } + if(perfLevel < Deformable) + reset(); +} + +void UltraParticle::setRotationSpeed(qreal arg) +{ + if (m_rotationSpeed != arg) { + m_rotationSpeed = arg; + emit rotationSpeedChanged(arg); + } + if(perfLevel < Deformable) + reset(); +} + +void UltraParticle::setRotationSpeedVariation(qreal arg) +{ + if (m_rotationSpeedVariation != arg) { + m_rotationSpeedVariation = arg; + emit rotationSpeedVariationChanged(arg); + } + if(perfLevel < Deformable) + reset(); +} + +void UltraParticle::setAutoRotation(bool arg) +{ + if (m_autoRotation != arg) { + m_autoRotation = arg; + emit autoRotationChanged(arg); + } + if(perfLevel < Deformable) + reset(); +} + +void UltraParticle::setXVector(VaryingVector* arg) +{ + if (m_xVector != arg) { + m_xVector = arg; + emit xVectorChanged(arg); + } + if(perfLevel < Deformable) + reset(); +} + +void UltraParticle::setYVector(VaryingVector* arg) +{ + if (m_yVector != arg) { + m_yVector = arg; + emit yVectorChanged(arg); + } + if(perfLevel < Deformable) + reset(); +} + +void UltraParticle::setBloat(bool arg) +{ + if (m_bloat != arg) { + m_bloat = arg; + emit bloatChanged(arg); + } + if(perfLevel < 9999) + reset(); +} +void UltraParticle::setCount(int c) +{ + ParticleType::setCount(c); + m_pleaseReset = true; +} + +void UltraParticle::reset() +{ + ParticleType::reset(); + m_pleaseReset = true; +} + +void UltraParticle::createEngine() +{ + if(m_spriteEngine) + delete m_spriteEngine; + if(m_sprites.count()) + m_spriteEngine = new SpriteEngine(m_sprites, this); + else + m_spriteEngine = 0; + reset(); +} + +static QSGGeometry::Attribute SimpleParticle_Attributes[] = { + { 0, 2, GL_FLOAT }, // Position + { 1, 2, GL_FLOAT }, // TexCoord + { 2, 4, GL_FLOAT }, // Data + { 3, 4, GL_FLOAT } // Vectors +}; + +static QSGGeometry::AttributeSet SimpleParticle_AttributeSet = +{ + 4, // Attribute Count + (2 + 2 + 4 + 4 ) * sizeof(float), + SimpleParticle_Attributes +}; + +static QSGGeometry::Attribute UltraParticle_Attributes[] = { + { 0, 2, GL_FLOAT }, // Position + { 1, 2, GL_FLOAT }, // TexCoord + { 2, 4, GL_FLOAT }, // Data + { 3, 4, GL_FLOAT }, // Vectors + { 4, 4, GL_UNSIGNED_BYTE }, // Colors + { 5, 4, GL_FLOAT }, // DeformationVectors + { 6, 3, GL_FLOAT }, // Rotation + { 7, 4, GL_FLOAT } // Anim Data +}; + +static QSGGeometry::AttributeSet UltraParticle_AttributeSet = +{ + 8, // Attribute Count + (2 + 2 + 4 + 4 + 4 + 4 + 3) * sizeof(float) + 4 * sizeof(uchar), + UltraParticle_Attributes +}; + +QSGGeometryNode* UltraParticle::buildSimpleParticleNode() +{ + perfLevel = Simple;//TODO: Intermediate levels + QImage image = QImage(m_image_name.toLocalFile()); + if (image.isNull()) { + printf("UltraParticle: loading image failed... '%s'\n", qPrintable(m_image_name.toLocalFile())); + return 0; + } + int vCount = m_count * 4; + int iCount = m_count * 6; + qDebug() << "Simple Case"; + + QSGGeometry *g = new QSGGeometry(SimpleParticle_AttributeSet, vCount, iCount); + g->setDrawingMode(GL_TRIANGLES); + + SimpleVertex *vertices = (SimpleVertex *) g->vertexData(); + for (int p=0; p<m_count; ++p) { + for (int i=0; i<4; ++i) { + vertices[i].x = 0; + vertices[i].y = 0; + vertices[i].t = -1; + vertices[i].lifeSpan = 0; + vertices[i].size = 0; + vertices[i].endSize = 0; + vertices[i].sx = 0; + vertices[i].sy = 0; + vertices[i].ax = 0; + vertices[i].ay = 0; + } + + vertices[0].tx = 0; + vertices[0].ty = 0; + + vertices[1].tx = 1; + vertices[1].ty = 0; + + vertices[2].tx = 0; + vertices[2].ty = 1; + + vertices[3].tx = 1; + vertices[3].ty = 1; + + vertices += 4; + } + + quint16 *indices = g->indexDataAsUShort(); + for (int i=0; i<m_count; ++i) { + int o = i * 4; + indices[0] = o; + indices[1] = o + 1; + indices[2] = o + 2; + indices[3] = o + 1; + indices[4] = o + 3; + indices[5] = o + 2; + indices += 6; + } + + if (m_material) { + delete m_material; + m_material = 0; + } + + m_material = new SimpleMaterial(); + m_material->texture = sceneGraphEngine()->createTextureFromImage(image); + m_material->texture->setFiltering(QSGTexture::Linear); + m_material->framecount = 1; + m_node = new QSGGeometryNode(); + m_node->setGeometry(g); + m_node->setMaterial(m_material); + + m_last_particle = 0; + + return m_node; +} + +QSGGeometryNode* UltraParticle::buildParticleNode() +{ + if (m_count * 4 > 0xffff) { + printf("UltraParticle: Too many particles... \n");//####Why is this here? + return 0; + } + + if(m_count <= 0) { + printf("UltraParticle: Too few particles... \n"); + return 0; + } + + if(!m_sprites.count() && !m_bloat + && m_colortable_name.isEmpty() + && m_sizetable_name.isEmpty() + && m_opacitytable_name.isEmpty() + && !m_autoRotation + && !m_rotation && !m_rotationVariation + && !m_rotationSpeed && !m_rotationSpeedVariation + && !m_alphaVariation && m_alpha == 1.0 + && !m_redVariation && !m_blueVariation && !m_greenVariation + && !m_color.isValid() + ) + return buildSimpleParticleNode(); + perfLevel = Sprites;//TODO: intermediate levels + if(!m_color.isValid())//But we're in colored level (or higher) + m_color = QColor(Qt::white); + qDebug() << "Complex Case"; + + QImage image; + if(m_sprites.count()){ + if (!m_spriteEngine) { + qWarning() << "UltraParticle: No sprite engine..."; + return 0; + } + image = m_spriteEngine->assembledImage(); + if(image.isNull())//Warning is printed in engine + return 0; + }else{ + image = QImage(m_image_name.toLocalFile()); + if (image.isNull()) { + printf("UltraParticle: loading image failed... '%s'\n", qPrintable(m_image_name.toLocalFile())); + return 0; + } + } + + int vCount = m_count * 4; + int iCount = m_count * 6; + + QSGGeometry *g = new QSGGeometry(UltraParticle_AttributeSet, vCount, iCount); + g->setDrawingMode(GL_TRIANGLES); + + UltraVertex *vertices = (UltraVertex *) g->vertexData(); + SimpleVertex *oldSimple = (SimpleVertex *) m_lastData;//TODO: Other levels + if(m_lastLevel == 1) + qDebug() << "Theta" << m_lastLevel << oldSimple[0].x << oldSimple[0].y << oldSimple[0].t; + for (int p=0; p<m_count; ++p) { + + if (m_lastLevel == 1) {//Transplant/IntermediateVertices? + for (int i=0; i<4; ++i) { + vertices[i].x = oldSimple[i].x; + vertices[i].y = oldSimple[i].y; + vertices[i].t = oldSimple[i].t; + vertices[i].lifeSpan = oldSimple[i].lifeSpan; + vertices[i].size = oldSimple[i].size; + vertices[i].endSize = oldSimple[i].endSize; + vertices[i].sx = oldSimple[i].sx; + vertices[i].sy = oldSimple[i].sy; + vertices[i].ax = oldSimple[i].ax; + vertices[i].ay = oldSimple[i].ay; + vertices[i].xx = 1; + vertices[i].xy = 0; + vertices[i].yx = 0; + vertices[i].yy = 1; + vertices[i].rotation = 0; + vertices[i].rotationSpeed = 0; + vertices[i].autoRotate = 0; + vertices[i].animIdx = 0; + vertices[i].frameDuration = oldSimple[i].lifeSpan; + vertices[i].frameCount = 1; + vertices[i].animT = oldSimple[i].t; + vertices[i].color.r = 255; + vertices[i].color.g = 255; + vertices[i].color.b = 255; + vertices[i].color.a = 255; + } + } else { + for (int i=0; i<4; ++i) { + vertices[i].x = 0; + vertices[i].y = 0; + vertices[i].t = -1; + vertices[i].lifeSpan = 0; + vertices[i].size = 0; + vertices[i].endSize = 0; + vertices[i].sx = 0; + vertices[i].sy = 0; + vertices[i].ax = 0; + vertices[i].ay = 0; + vertices[i].xx = 1; + vertices[i].xy = 0; + vertices[i].yx = 0; + vertices[i].yy = 1; + vertices[i].rotation = 0; + vertices[i].rotationSpeed = 0; + vertices[i].autoRotate = 0; + vertices[i].animIdx = -1; + vertices[i].frameDuration = 1; + vertices[i].frameCount = 0; + vertices[i].animT = -1; + vertices[i].color.r = 0;//TODO:Some things never get used uninitialized. Consider dropping them here? + vertices[i].color.g = 0; + vertices[i].color.b = 0; + vertices[i].color.a = 0; + } + } + + vertices[0].tx = 0; + vertices[0].ty = 0; + + vertices[1].tx = 1; + vertices[1].ty = 0; + + vertices[2].tx = 0; + vertices[2].ty = 1; + + vertices[3].tx = 1; + vertices[3].ty = 1; + + vertices += 4; + oldSimple += 4; + } + + quint16 *indices = g->indexDataAsUShort();//TODO: Speed gains by copying this over if count unchanged? + for (int i=0; i<m_count; ++i) { + int o = i * 4; + indices[0] = o; + indices[1] = o + 1; + indices[2] = o + 2; + indices[3] = o + 1; + indices[4] = o + 3; + indices[5] = o + 2; + indices += 6; + } + + qFree(m_lastData); + if (m_material) { + delete m_material; + m_material = 0; + } + + QImage colortable(m_colortable_name.toLocalFile()); + QImage sizetable(m_sizetable_name.toLocalFile()); + QImage opacitytable(m_opacitytable_name.toLocalFile()); + m_material = new UltraMaterial(); + if(colortable.isNull()) + colortable = QImage(":resources/identitytable.png"); + if(sizetable.isNull()) + sizetable = QImage(":resources/identitytable.png"); + if(opacitytable.isNull()) + opacitytable = QImage(":resources/defaultFadeInOut.png"); + Q_ASSERT(!colortable.isNull()); + Q_ASSERT(!sizetable.isNull()); + Q_ASSERT(!opacitytable.isNull()); + m_material->colortable = sceneGraphEngine()->createTextureFromImage(colortable); + m_material->sizetable = sceneGraphEngine()->createTextureFromImage(sizetable); + m_material->opacitytable = sceneGraphEngine()->createTextureFromImage(opacitytable); + + m_material->texture = sceneGraphEngine()->createTextureFromImage(image); + m_material->texture->setFiltering(QSGTexture::Linear); + + m_material->framecount = 1; + if(m_spriteEngine){ + m_material->framecount = m_spriteEngine->maxFrames(); + m_spriteEngine->setCount(m_count); + } + + m_node = new QSGGeometryNode(); + m_node->setGeometry(g); + m_node->setMaterial(m_material); + + m_last_particle = 0; + + return m_node; +} + +QSGNode *UltraParticle::updatePaintNode(QSGNode *, UpdatePaintNodeData *) +{ + if(m_pleaseReset){ + if(m_node){ + if(perfLevel == 1){ + qDebug() << "Beta"; + m_lastData = qMalloc(m_count*sizeof(SimpleVertices));//TODO: Account for count_changed possibility + memcpy(m_lastData, m_node->geometry()->vertexData(), m_count * sizeof(SimpleVertices));//TODO: Multiple levels + } + m_lastLevel = perfLevel; + delete m_node; + } + if(m_material) + delete m_material; + + m_node = 0; + m_material = 0; + m_pleaseReset = false; + } + + if(m_system && m_system->isRunning()) + prepareNextFrame(); + if (m_node){ + update(); + m_node->markDirty(QSGNode::DirtyMaterial); + } + + return m_node; +} + +void UltraParticle::prepareNextFrame() +{ + if (m_node == 0){ //TODO: Staggered loading (as emitted) + m_node = buildParticleNode(); + if(m_node == 0) + return; + qDebug() << "Feature level: " << perfLevel; + } + qint64 timeStamp = m_system->systemSync(this); + + qreal time = timeStamp / 1000.; + m_material->timestamp = time; + + //Advance State + if(m_spriteEngine){//perfLevel == Sprites? + m_material->animcount = m_spriteEngine->spriteCount(); + UltraVertices *particles = (UltraVertices *) m_node->geometry()->vertexData(); + m_spriteEngine->updateSprites(timeStamp); + for(int i=0; i<m_count; i++){ + UltraVertices &p = particles[i]; + int curIdx = m_spriteEngine->spriteState(i); + if(curIdx != p.v1.animIdx){ + p.v1.animIdx = p.v2.animIdx = p.v3.animIdx = p.v4.animIdx = curIdx; + p.v1.animT = p.v2.animT = p.v3.animT = p.v4.animT = m_spriteEngine->spriteStart(i)/1000.0; + p.v1.frameCount = p.v2.frameCount = p.v3.frameCount = p.v4.frameCount = m_spriteEngine->spriteFrames(i); + p.v1.frameDuration = p.v2.frameDuration = p.v3.frameDuration = p.v4.frameDuration = m_spriteEngine->spriteDuration(i); + } + } + }else{ + m_material->animcount = 1; + } +} + +template <typename VT> +IntermediateVertices* transplant(IntermediateVertices* iv, VT &v) +{//Deliberate typemangling cast + iv->v1 = (UltraVertex*)&(v.v1); + iv->v2 = (UltraVertex*)&(v.v2); + iv->v3 = (UltraVertex*)&(v.v3); + iv->v4 = (UltraVertex*)&(v.v4); + return iv; +} + +IntermediateVertices* UltraParticle::fetchIntermediateVertices(int pos) +{ + //Note that this class ruins typesafety for you. Maybe even thread safety. + //TODO: Something better, possibly with templates or inheritance + static IntermediateVertices iv; + SimpleVertices *sv; + UltraVertices *uv; + switch(perfLevel){ + case Simple: + sv = (SimpleVertices *) m_node->geometry()->vertexData(); + return transplant(&iv, sv[pos]); + case Coloured: + case Deformable: + case Tabled: + case Sprites: + default: + uv = (UltraVertices *) m_node->geometry()->vertexData(); + return transplant(&iv,uv[pos]); + } +} + +void UltraParticle::reloadColor(const Color4ub &c, ParticleData* d) +{ + UltraVertices *particles = (UltraVertices *) m_node->geometry()->vertexData(); + int pos = particleTypeIndex(d); + UltraVertices &p = particles[pos]; + p.v1.color = p.v2.color = p.v3.color = p.v4.color = c; +} + +void UltraParticle::reload(ParticleData *d) +{ + if (m_node == 0) + return; + + int pos = particleTypeIndex(d); + IntermediateVertices* p = fetchIntermediateVertices(pos); + + //Perhaps we could be more efficient? + vertexCopy(*p->v1, d->pv); + vertexCopy(*p->v2, d->pv); + vertexCopy(*p->v3, d->pv); + vertexCopy(*p->v4, d->pv); +} + +void UltraParticle::load(ParticleData *d) +{ + if (m_node == 0) + return; + + int pos = particleTypeIndex(d); + IntermediateVertices* p = fetchIntermediateVertices(pos);//Remember this removes typesafety! + Color4ub color; + qreal redVariation = m_color_variation + m_redVariation; + qreal greenVariation = m_color_variation + m_greenVariation; + qreal blueVariation = m_color_variation + m_blueVariation; + switch(perfLevel){//Fall-through is intended on all of them + case Sprites: + // Initial Sprite State + p->v1->animT = p->v2->animT = p->v3->animT = p->v4->animT = p->v1->t; + p->v1->animIdx = p->v2->animIdx = p->v3->animIdx = p->v4->animIdx = 0; + if(m_spriteEngine){ + m_spriteEngine->startSprite(pos); + p->v1->frameCount = p->v2->frameCount = p->v3->frameCount = p->v4->frameCount = m_spriteEngine->spriteFrames(pos); + p->v1->frameDuration = p->v2->frameDuration = p->v3->frameDuration = p->v4->frameDuration = m_spriteEngine->spriteDuration(pos); + }else{ + p->v1->frameCount = p->v2->frameCount = p->v3->frameCount = p->v4->frameCount = 1; + p->v1->frameDuration = p->v2->frameDuration = p->v3->frameDuration = p->v4->frameDuration = 9999; + } + case Tabled: + case Deformable: + //Initial Rotation + if(m_xVector){ + const QPointF &ret = m_xVector->sample(QPointF(d->pv.x, d->pv.y)); + p->v1->xx = p->v2->xx = p->v3->xx = p->v4->xx = ret.x(); + p->v1->xy = p->v2->xy = p->v3->xy = p->v4->xy = ret.y(); + } + if(m_yVector){ + const QPointF &ret = m_yVector->sample(QPointF(d->pv.x, d->pv.y)); + p->v1->yx = p->v2->yx = p->v3->yx = p->v4->yx = ret.x(); + p->v1->yy = p->v2->yy = p->v3->yy = p->v4->yy = ret.y(); + } + p->v1->rotation = p->v2->rotation = p->v3->rotation = p->v4->rotation = + (m_rotation + (m_rotationVariation - 2*((qreal)rand()/RAND_MAX)*m_rotationVariation) ) * CONV; + p->v1->rotationSpeed = p->v2->rotationSpeed = p->v3->rotationSpeed = p->v4->rotationSpeed = + (m_rotationSpeed + (m_rotationSpeedVariation - 2*((qreal)rand()/RAND_MAX)*m_rotationSpeedVariation) ) * CONV; + p->v1->autoRotate = p->v2->autoRotate = p->v3->autoRotate = p->v4->autoRotate = m_autoRotation?1.0:0.0; + case Coloured: + //Color initialization + // Particle color + color.r = m_color.red() * (1 - redVariation) + rand() % 256 * redVariation; + color.g = m_color.green() * (1 - greenVariation) + rand() % 256 * greenVariation; + color.b = m_color.blue() * (1 - blueVariation) + rand() % 256 * blueVariation; + color.a = m_alpha * m_color.alpha() * (1 - m_alphaVariation) + rand() % 256 * m_alphaVariation; + p->v1->color = p->v2->color = p->v3->color = p->v4->color = color; + default: + break; + } + + vertexCopy(*p->v1, d->pv); + vertexCopy(*p->v2, d->pv); + vertexCopy(*p->v3, d->pv); + vertexCopy(*p->v4, d->pv); +} + +QT_END_NAMESPACE |