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| 2 | #include "OgreStableHeaders.h"
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| 3 |
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| 4 | #include "SpriteParticleRenderer.h"
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| 5 | #include "OgreParticle.h"
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| 6 | #include "OgreStringConverter.h"
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| 7 |
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| 8 | #ifdef GAMETOOLS_ILLUMINATION_MODULE
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| 9 |
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| 10 | namespace Ogre {
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| 11 |
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| 12 | Vector3 cameraPosition;
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| 13 |
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| 14 | class ParticleBackToFront
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| 15 | {
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| 16 | public:
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| 17 | bool operator() (const Particle* p1, const Particle* p2)
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| 18 | {
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| 19 | float dist1 = (cameraPosition - p1->position).length();
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| 20 | float dist2 = (cameraPosition - p2->position).length();
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| 21 | return dist1 < dist2;
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| 22 | }
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| 23 | };
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| 24 |
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| 25 | class ParticleFrontToBack
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| 26 | {
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| 27 | public:
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| 28 | bool operator() (const Particle* p1, const Particle* p2)
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| 29 | {
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| 30 | float dist1 = (cameraPosition - p1->position).length();
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| 31 | float dist2 = (cameraPosition - p2->position).length();
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| 32 | return dist1 > dist2;
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| 33 | }
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| 34 | };
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| 35 |
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| 36 | String SpriteName = "sprite";
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| 37 | //-----------------------------------------------------------------------
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| 38 | SpriteParticleRenderer::SpriteParticleRenderer()
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| 39 | {
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| 40 | if (createParamDictionary("SpriteParticleRenderer"))
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| 41 | {
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| 42 | ParamDictionary* dict = getParamDictionary();
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| 43 |
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| 44 | }
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| 45 | particleSorting = 0;
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| 46 | // Create billboard set
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| 47 | mSpriteSet = new SpriteSet("", 0, true);
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| 48 | // World-relative axes
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| 49 | mSpriteSet->setBillboardsInWorldSpace(true);
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| 50 | }
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| 51 | //-----------------------------------------------------------------------
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| 52 | SpriteParticleRenderer::~SpriteParticleRenderer()
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| 53 | {
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| 54 | delete mSpriteSet;
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| 55 | }
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| 56 | //-----------------------------------------------------------------------
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| 57 | const String& SpriteParticleRenderer::getType(void) const
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| 58 | {
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| 59 | return SpriteName;
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| 60 | }
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| 61 |
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| 62 | void SpriteParticleRenderer::setParticleSorting(int sorting, Camera* cam)
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| 63 | {
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| 64 | this->particleSorting = sorting;
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| 65 | cameraPosition = cam->getWorldPosition();
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| 66 | }
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| 67 | //-----------------------------------------------------------------------
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| 68 | void SpriteParticleRenderer::_updateRenderQueue(RenderQueue* queue,
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| 69 | std::list<Particle*>& currentParticles, bool cullIndividually)
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| 70 | {
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| 71 | mSpriteSet->setCullIndividually(cullIndividually);
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| 72 |
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| 73 | ////sort currentParticles
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| 74 | if(particleSorting > 0)
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| 75 | currentParticles.sort(ParticleBackToFront());
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| 76 | if(particleSorting < 0)
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| 77 | currentParticles.sort(ParticleFrontToBack());
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| 78 |
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| 79 |
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| 80 | // Update billboard set geometry
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| 81 | mSpriteSet->beginBillboards();
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| 82 | Billboard bb;
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| 83 | for (std::list<Particle*>::iterator i = currentParticles.begin();
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| 84 | i != currentParticles.end(); ++i)
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| 85 | {
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| 86 | Particle* p = *i;
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| 87 | bb.mPosition = p->position;
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| 88 | bb.mDirection = p->direction;
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| 89 | bb.mColour = p->colour;
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| 90 | bb.mRotation = p->rotation;
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| 91 | // Assign and compare at the same time
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| 92 | if (bb.mOwnDimensions = p->mOwnDimensions)
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| 93 | {
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| 94 | bb.mWidth = p->mWidth;
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| 95 | bb.mHeight = p->mHeight;
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| 96 | }
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| 97 | mSpriteSet->injectBillboard(bb);
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| 98 |
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| 99 | }
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| 100 |
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| 101 | mSpriteSet->endBillboards();
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| 102 |
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| 103 | // Update the queue
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| 104 | mSpriteSet->_updateRenderQueue(queue);
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| 105 | }
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| 106 | //-----------------------------------------------------------------------
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| 107 | void SpriteParticleRenderer::_setMaterial(MaterialPtr& mat)
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| 108 | {
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| 109 | mSpriteSet->setMaterialName(mat->getName());
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| 110 | }
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| 111 |
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| 112 | void SpriteParticleRenderer::_notifyCurrentCamera(Camera* cam)
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| 113 | {
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| 114 | mSpriteSet->_notifyCurrentCamera(cam);
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| 115 | }
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| 116 | //-----------------------------------------------------------------------
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| 117 | void SpriteParticleRenderer::_notifyDefaultDimensions(Real width, Real height)
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| 118 | {
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| 119 | mSpriteSet->setDefaultDimensions(width, height);
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| 120 | }
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| 121 | //-----------------------------------------------------------------------
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| 122 | void SpriteParticleRenderer::_notifyParticleResized(void)
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| 123 | {
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| 124 | mSpriteSet->_notifyBillboardResized();
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| 125 | }
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| 126 | //-----------------------------------------------------------------------
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| 127 | void SpriteParticleRenderer::_notifyParticleQuota(size_t quota)
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| 128 | {
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| 129 | mSpriteSet->setPoolSize(quota);
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| 130 | }
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| 131 | //-----------------------------------------------------------------------
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| 132 | void SpriteParticleRenderer::_notifyAttached(Node* parent, bool isTagPoint)
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| 133 | {
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| 134 | mSpriteSet->_notifyAttached(parent, isTagPoint);
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| 135 | }
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| 136 | //-----------------------------------------------------------------------
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| 137 | void SpriteParticleRenderer::setRenderQueueGroup(uint8 queueID)
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| 138 | {
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| 139 | mSpriteSet->setRenderQueueGroup(queueID);
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| 140 | }
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| 141 | //-----------------------------------------------------------------------
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| 142 | //-----------------------------------------------------------------------
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| 143 | //-----------------------------------------------------------------------
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| 144 | const String& SpriteParticleRendererFactory::getType() const
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| 145 | {
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| 146 | return SpriteName;
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| 147 | }
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| 148 | //-----------------------------------------------------------------------
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| 149 | ParticleSystemRenderer* SpriteParticleRendererFactory::createInstance(
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| 150 | const String& name )
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| 151 | {
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| 152 | return new SpriteParticleRenderer();
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| 153 | }
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| 154 | //-----------------------------------------------------------------------
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| 155 | void SpriteParticleRendererFactory::destroyInstance(
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| 156 | ParticleSystemRenderer* inst)
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| 157 | {
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| 158 | delete inst;
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| 159 | }
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| 160 |
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| 161 | }
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| 162 |
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| 163 | #endif |
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