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Diffstat (limited to 'src/imports/particles/spriteparticle.cpp')
| -rw-r--r-- | src/imports/particles/spriteparticle.cpp | 449 |
1 files changed, 0 insertions, 449 deletions
diff --git a/src/imports/particles/spriteparticle.cpp b/src/imports/particles/spriteparticle.cpp deleted file mode 100644 index 6039d2819b..0000000000 --- a/src/imports/particles/spriteparticle.cpp +++ /dev/null @@ -1,449 +0,0 @@ -/**************************************************************************** -** -** 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 "spriteparticle.h" -#include "spritestate.h" -#include "spriteengine.h" -#include "particleemitter.h" -#include <private/qsgcontext_p.h> -#include <private/qsgadaptationlayer_p.h> -#include <qsgnode.h> -#include <qsgtexturematerial.h> -#include <qsgengine.h> -#include <qsgtexture.h> -#include <QFile> -#include <cmath> -#include <qmath.h> -#include <QDebug> - -QT_BEGIN_NAMESPACE - -class SpriteParticlesMaterial : public QSGMaterial -{ -public: - SpriteParticlesMaterial(); - virtual ~SpriteParticlesMaterial(); - 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 SpriteParticlesMaterial *>(other); - } - - QSGTexture *texture; - - qreal timestamp; - int framecount; - int animcount; -}; - -SpriteParticlesMaterial::SpriteParticlesMaterial() - : timestamp(0) - , framecount(1) - , animcount(1) -{ - setFlag(Blending, true); -} - -SpriteParticlesMaterial::~SpriteParticlesMaterial() -{ - delete texture; -} - -class SpriteParticlesMaterialData : public QSGMaterialShader -{ -public: - SpriteParticlesMaterialData(const char *vertexFile = 0, const char *fragmentFile = 0) - { - QFile vf(vertexFile ? vertexFile : ":resources/spritevertex.shader"); - vf.open(QFile::ReadOnly); - m_vertex_code = vf.readAll(); - - QFile ff(fragmentFile ? fragmentFile : ":resources/spritefragment.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 *) - { - SpriteParticlesMaterial *m = static_cast<SpriteParticlesMaterial *>(newEffect); - 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_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", - "vAnimData", - 0 - }; - return attr; - } - - virtual bool isColorTable() const { return false; } - - int m_matrix_id; - int m_opacity_id; - int m_timestamp_id; - int m_framecount_id; - int m_animcount_id; - - QByteArray m_vertex_code; - QByteArray m_fragment_code; - - static float chunkOfBytes[1024]; -}; -float SpriteParticlesMaterialData::chunkOfBytes[1024]; - -QSGMaterialShader *SpriteParticlesMaterial::createShader() const -{ - return new SpriteParticlesMaterialData; -} - -struct SpriteParticleVertex { - float x; - float y; - float tx; - float ty; - float t; - float lifeSpan; - float size; - float endSize; - float sx; - float sy; - float ax; - float ay; - float animIdx; - float frameDuration; - float frameCount; - float animT; -}; - -struct SpriteParticleVertices { - SpriteParticleVertex v1; - SpriteParticleVertex v2; - SpriteParticleVertex v3; - SpriteParticleVertex v4; -}; - -SpriteParticle::SpriteParticle(QSGItem *parent) : - ParticleType(parent) - , m_node(0) - , m_material(0) - , m_spriteEngine(0) -{ - setFlag(ItemHasContents); - } -QDeclarativeListProperty<SpriteState> SpriteParticle::sprites() -{ - return QDeclarativeListProperty<SpriteState>(this, &m_sprites, spriteAppend, spriteCount, spriteAt, spriteClear); -} - -void SpriteParticle::createEngine() -{ - if(m_spriteEngine) - delete m_spriteEngine; - if(m_sprites.count()) - m_spriteEngine = new SpriteEngine(m_sprites, this); - else - m_spriteEngine = 0; - reset();//###this is probably out of updatePaintNode and shouldn't be -} - -void SpriteParticle::setCount(int c) -{ - ParticleType::setCount(c); - m_pleaseReset = true; -} - -static QSGGeometry::Attribute SpriteParticle_Attributes[] = { - { 0, 2, GL_FLOAT }, // Position - { 1, 2, GL_FLOAT }, // TexCoord - { 2, 4, GL_FLOAT }, // Data - { 3, 4, GL_FLOAT }, // Vectors - { 4, 4, GL_FLOAT } // Colors -}; - -static QSGGeometry::AttributeSet SpriteParticle_AttributeSet = -{ - 5, // Attribute Count - (2 + 2 + 4 + 4 + 4) * sizeof(float), - SpriteParticle_Attributes -}; - - - -QSGGeometryNode* SpriteParticle::buildParticleNode() -{ - if (m_count * 4 > 0xffff) { - qWarning() << "SpriteParticle: too many particles..."; - return 0; - } - - if (m_count * 4 == 0) { - qWarning() << "SpriteParticle: No particles..."; - return 0; - } - - if (!m_spriteEngine) { - qWarning() << "SpriteParticle: No sprite engine..."; - return 0; - } - - if (m_material) { - delete m_material; - m_material = 0; - } - - m_material = new SpriteParticlesMaterial(); - - QImage image = m_spriteEngine->assembledImage(); - if(image.isNull()) - return 0; - m_material->texture = sceneGraphEngine()->createTextureFromImage(image); - m_material->texture->setFiltering(QSGTexture::Linear); - m_material->framecount = m_spriteEngine->maxFrames(); - m_spriteEngine->setCount(m_count); - - int vCount = m_count * 4; - int iCount = m_count * 6; - QSGGeometry *g = new QSGGeometry(SpriteParticle_AttributeSet, vCount, iCount); - g->setDrawingMode(GL_TRIANGLES); - - SpriteParticleVertex *vertices = (SpriteParticleVertex *) 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 = -1; - 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].animIdx = 0; - vertices[i].frameDuration = 1; - vertices[i].frameCount = 1; - vertices[i].animT = -1; - - } - - vertices[0].tx = 0; - vertices[0].ty = 0; - - vertices[1].tx = 1.0; - vertices[1].ty = 0; - - vertices[2].tx = 0; - vertices[2].ty = 1.0; - - vertices[3].tx = 1.0; - vertices[3].ty = 1.0; - - 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; - } - - - m_node = new QSGGeometryNode(); - m_node->setGeometry(g); - m_node->setMaterial(m_material); - m_last_particle = 0; - return m_node; -} - -void SpriteParticle::vertexCopy(SpriteParticleVertex &b,const ParticleVertex& a) -{ - b.x = a.x + m_systemOffset.x(); - b.y = a.y + m_systemOffset.y(); - b.t = a.t; - b.lifeSpan = a.lifeSpan; - b.size = a.size; - b.endSize = a.endSize; - b.sx = a.sx; - b.sy = a.sy; - b.ax = a.ax; - b.ay = a.ay; -} - -void SpriteParticle::load(ParticleData *d) -{ - if (m_node == 0) //error creating node - return; - - SpriteParticleVertices *particles = (SpriteParticleVertices *) m_node->geometry()->vertexData(); - int pos = particleTypeIndex(d); - SpriteParticleVertices &p = particles[pos]; - - // Initial Sprite State - m_spriteEngine->startSprite(pos); - 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; - 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); - - vertexCopy(p.v1, d->pv); - vertexCopy(p.v2, d->pv); - vertexCopy(p.v3, d->pv); - vertexCopy(p.v4, d->pv); - -} - -void SpriteParticle::reload(ParticleData *d) -{ - if (m_node == 0) //error creating node - return; - - SpriteParticleVertices *particles = (SpriteParticleVertices *) m_node->geometry()->vertexData(); - int pos = particleTypeIndex(d); - SpriteParticleVertices &p = particles[pos]; - - vertexCopy(p.v1, d->pv); - vertexCopy(p.v2, d->pv); - vertexCopy(p.v3, d->pv); - vertexCopy(p.v4, d->pv); -} - - -QSGNode *SpriteParticle::updatePaintNode(QSGNode *, UpdatePaintNodeData *) -{ - if(m_pleaseReset){ - if(m_node) - 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 SpriteParticle::prepareNextFrame() -{ - if (m_node == 0){ //TODO: Staggered loading (as emitted) (is it just moving this check to load()?) - m_node = buildParticleNode(); - if(m_node == 0) - return; - } - qint64 timeStamp = m_system->systemSync(this); - - - qreal time = timeStamp / 1000.; - m_material->timestamp = time; - m_material->animcount = m_spriteEngine->spriteCount(); - - //Advance State - SpriteParticleVertices *particles = (SpriteParticleVertices *) m_node->geometry()->vertexData(); - m_spriteEngine->updateSprites(timeStamp); - for(int i=0; i<m_count; i++){ - SpriteParticleVertices &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); - } - } -} - -void SpriteParticle::reset() -{ - ParticleType::reset(); - m_pleaseReset = true; -} - -QT_END_NAMESPACE |