void RenderableLightEntityItem::render(RenderArgs* args) {
PerformanceTimer perfTimer("RenderableLightEntityItem::render");
assert(getType() == EntityTypes::Light);
glm::vec3 position = getPosition();
glm::vec3 dimensions = getDimensions();
glm::quat rotation = getRotation();
float largestDiameter = glm::max(dimensions.x, dimensions.y, dimensions.z);
glm::vec3 color = toGlm(getXColor());
float intensity = getIntensity();
float exponent = getExponent();
float cutoff = glm::radians(getCutoff());
if (_isSpotlight) {
DependencyManager::get<DeferredLightingEffect>()->addSpotLight(position, largestDiameter / 2.0f,
color, intensity, rotation, exponent, cutoff);
} else {
DependencyManager::get<DeferredLightingEffect>()->addPointLight(position, largestDiameter / 2.0f,
color, intensity);
}
#ifdef WANT_DEBUG
Q_ASSERT(args->_batch);
gpu::Batch& batch = *args->_batch;
batch.setModelTransform(getTransformToCenter());
DependencyManager::get<GeometryCache>()->renderWireSphere(batch, 0.5f, 15, 15, glm::vec4(color, 1.0f));
#endif
};
void RenderableBoxEntityItem::render(RenderArgs* args) {
PerformanceTimer perfTimer("RenderableBoxEntityItem::render");
Q_ASSERT(getType() == EntityTypes::Box);
Q_ASSERT(args->_batch);
if (!_procedural) {
_procedural.reset(new Procedural(this->getUserData()));
_procedural->_vertexSource = simple_vert;
_procedural->_fragmentSource = simple_frag;
_procedural->_state->setCullMode(gpu::State::CULL_NONE);
_procedural->_state->setDepthTest(true, true, gpu::LESS_EQUAL);
_procedural->_state->setBlendFunction(false,
gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA,
gpu::State::FACTOR_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::ONE);
}
gpu::Batch& batch = *args->_batch;
glm::vec4 cubeColor(toGlm(getXColor()), getLocalRenderAlpha());
if (_procedural->ready()) {
batch.setModelTransform(getTransformToCenter()); // we want to include the scale as well
_procedural->prepare(batch, this->getDimensions());
auto color = _procedural->getColor(cubeColor);
batch._glColor4f(color.r, color.g, color.b, color.a);
DependencyManager::get<GeometryCache>()->renderCube(batch);
} else {
DependencyManager::get<DeferredLightingEffect>()->renderSolidCubeInstance(batch, getTransformToCenter(), cubeColor);
}
RenderableDebugableEntityItem::render(this, args);
};
EntityItemProperties SphereEntityItem::getProperties() const {
EntityItemProperties properties = EntityItem::getProperties(); // get the properties from our base class
properties.setColor(getXColor());
properties.setGlowLevel(getGlowLevel());
return properties;
}
void RenderablePolyLineEntityItem::update(const quint64& now) {
PolyLineUniforms uniforms;
uniforms.color = toGlm(getXColor());
memcpy(&_uniformBuffer.edit<PolyLineUniforms>(), &uniforms, sizeof(PolyLineUniforms));
if (_pointsChanged || _strokeWidthsChanged || _normalsChanged) {
updateVertices();
updateGeometry();
}
}
void RenderableShapeEntityItem::render(RenderArgs* args) {
PerformanceTimer perfTimer("RenderableShapeEntityItem::render");
//Q_ASSERT(getType() == EntityTypes::Shape);
Q_ASSERT(args->_batch);
checkFading();
if (!_procedural) {
_procedural.reset(new Procedural(getUserData()));
_procedural->_vertexSource = simple_vert;
_procedural->_fragmentSource = simple_frag;
_procedural->_opaqueState->setCullMode(gpu::State::CULL_NONE);
_procedural->_opaqueState->setDepthTest(true, true, gpu::LESS_EQUAL);
PrepareStencil::testMaskDrawShape(*_procedural->_opaqueState);
_procedural->_opaqueState->setBlendFunction(false,
gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA,
gpu::State::FACTOR_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::ONE);
}
gpu::Batch& batch = *args->_batch;
glm::vec4 color(toGlm(getXColor()), getLocalRenderAlpha());
bool success;
Transform modelTransform = getTransformToCenter(success);
if (!success) {
return;
}
if (_shape == entity::Sphere) {
modelTransform.postScale(SPHERE_ENTITY_SCALE);
}
batch.setModelTransform(modelTransform); // use a transform with scale, rotation, registration point and translation
if (_procedural->ready()) {
_procedural->prepare(batch, getPosition(), getDimensions(), getOrientation());
auto outColor = _procedural->getColor(color);
outColor.a *= _procedural->isFading() ? Interpolate::calculateFadeRatio(_procedural->getFadeStartTime()) : 1.0f;
batch._glColor4f(outColor.r, outColor.g, outColor.b, outColor.a);
if (render::ShapeKey(args->_globalShapeKey).isWireframe()) {
DependencyManager::get<GeometryCache>()->renderWireShape(batch, MAPPING[_shape]);
} else {
DependencyManager::get<GeometryCache>()->renderShape(batch, MAPPING[_shape]);
}
} else {
// FIXME, support instanced multi-shape rendering using multidraw indirect
color.a *= _isFading ? Interpolate::calculateFadeRatio(_fadeStartTime) : 1.0f;
auto geometryCache = DependencyManager::get<GeometryCache>();
auto pipeline = color.a < 1.0f ? geometryCache->getTransparentShapePipeline() : geometryCache->getOpaqueShapePipeline();
if (render::ShapeKey(args->_globalShapeKey).isWireframe()) {
geometryCache->renderWireShapeInstance(args, batch, MAPPING[_shape], color, pipeline);
} else {
geometryCache->renderSolidShapeInstance(args, batch, MAPPING[_shape], color, pipeline);
}
}
static const auto triCount = DependencyManager::get<GeometryCache>()->getShapeTriangleCount(MAPPING[_shape]);
args->_details._trianglesRendered += (int)triCount;
}
EntityItemProperties BoxEntityItem::getProperties() const {
EntityItemProperties properties = EntityItem::getProperties(); // get the properties from our base class
properties._color = getXColor();
properties._colorChanged = false;
properties._glowLevel = getGlowLevel();
properties._glowLevelChanged = false;
return properties;
}
void RenderableLineEntityItem::updateGeometry() {
auto geometryCache = DependencyManager::get<GeometryCache>();
if (_lineVerticesID == GeometryCache::UNKNOWN_ID) {
_lineVerticesID = geometryCache ->allocateID();
}
if (_pointsChanged) {
glm::vec4 lineColor(toGlm(getXColor()), getLocalRenderAlpha());
geometryCache->updateVertices(_lineVerticesID, getLinePoints(), lineColor);
_pointsChanged = false;
}
}
void RenderableParticleEffectEntityItem::updateQuads(RenderArgs* args, bool textured) {
float particleRadius = getParticleRadius();
glm::vec4 particleColor(toGlm(getXColor()), getLocalRenderAlpha());
glm::vec3 upOffset = args->_viewFrustum->getUp() * particleRadius;
glm::vec3 rightOffset = args->_viewFrustum->getRight() * particleRadius;
QVector<glm::vec3> vertices;
QVector<glm::vec3> positions;
QVector<glm::vec2> textureCoords;
vertices.reserve(getLivingParticleCount() * VERTS_PER_PARTICLE);
if (textured) {
textureCoords.reserve(getLivingParticleCount() * VERTS_PER_PARTICLE);
}
positions.reserve(getLivingParticleCount());
for (quint32 i = _particleHeadIndex; i != _particleTailIndex; i = (i + 1) % _maxParticles) {
positions.append(_particlePositions[i]);
if (textured) {
textureCoords.append(glm::vec2(0, 1));
textureCoords.append(glm::vec2(1, 1));
textureCoords.append(glm::vec2(1, 0));
textureCoords.append(glm::vec2(0, 0));
}
}
// sort particles back to front
::zSortAxis = args->_viewFrustum->getDirection();
qSort(positions.begin(), positions.end(), zSort);
for (int i = 0; i < positions.size(); i++) {
glm::vec3 pos = (textured) ? positions[i] : _particlePositions[i];
// generate corners of quad aligned to face the camera.
vertices.append(pos + rightOffset + upOffset);
vertices.append(pos - rightOffset + upOffset);
vertices.append(pos - rightOffset - upOffset);
vertices.append(pos + rightOffset - upOffset);
}
if (textured) {
DependencyManager::get<GeometryCache>()->updateVertices(_cacheID, vertices, textureCoords, particleColor);
} else {
DependencyManager::get<GeometryCache>()->updateVertices(_cacheID, vertices, particleColor);
}
}
EntityItemProperties LineEntityItem::getProperties(EntityPropertyFlags desiredProperties) const {
EntityItemProperties properties = EntityItem::getProperties(desiredProperties); // get the properties from our base class
properties._color = getXColor();
properties._colorChanged = false;
COPY_ENTITY_PROPERTY_TO_PROPERTIES(lineWidth, getLineWidth);
COPY_ENTITY_PROPERTY_TO_PROPERTIES(linePoints, getLinePoints);
return properties;
}
void RenderableLineEntityItem::render(RenderArgs* args) {
PerformanceTimer perfTimer("RenderableLineEntityItem::render");
assert(getType() == EntityTypes::Line);
glm::vec3 position = getPosition();
glm::vec3 dimensions = getDimensions();
glm::quat rotation = getRotation();
glm::vec4 lineColor(toGlm(getXColor()), getLocalRenderAlpha());
glPushMatrix();
glTranslatef(position.x, position.y, position.z);
glm::vec3 axis = glm::axis(rotation);
glRotatef(glm::degrees(glm::angle(rotation)), axis.x, axis.y, axis.z);
glm::vec3 p1 = {0.0f, 0.0f, 0.0f};
glm::vec3& p2 = dimensions;
DependencyManager::get<DeferredLightingEffect>()->renderLine(p1, p2, lineColor, lineColor);
glPopMatrix();
RenderableDebugableEntityItem::render(this, args);
};
EntityItemProperties PolyLineEntityItem::getProperties(EntityPropertyFlags desiredProperties) const {
QWriteLocker lock(&_quadReadWriteLock);
EntityItemProperties properties = EntityItem::getProperties(desiredProperties); // get the properties from our base class
properties._color = getXColor();
properties._colorChanged = false;
COPY_ENTITY_PROPERTY_TO_PROPERTIES(lineWidth, getLineWidth);
COPY_ENTITY_PROPERTY_TO_PROPERTIES(linePoints, getLinePoints);
COPY_ENTITY_PROPERTY_TO_PROPERTIES(normals, getNormals);
COPY_ENTITY_PROPERTY_TO_PROPERTIES(strokeColors, getStrokeColors);
COPY_ENTITY_PROPERTY_TO_PROPERTIES(strokeWidths, getStrokeWidths);
COPY_ENTITY_PROPERTY_TO_PROPERTIES(textures, getTextures);
COPY_ENTITY_PROPERTY_TO_PROPERTIES(isUVModeStretch, getIsUVModeStretch);
return properties;
}
void RenderableBoxEntityItem::render(RenderArgs* args) {
PerformanceTimer perfTimer("RenderableBoxEntityItem::render");
Q_ASSERT(getType() == EntityTypes::Box);
Q_ASSERT(args->_batch);
gpu::Batch& batch = *args->_batch;
batch.setModelTransform(getTransformToCenter()); // we want to include the scale as well
if (!_procedural) {
_procedural.reset(new ProceduralInfo(this));
}
if (_procedural->ready()) {
_procedural->prepare(batch);
DependencyManager::get<GeometryCache>()->renderUnitCube(batch);
} else {
glm::vec4 cubeColor(toGlm(getXColor()), getLocalRenderAlpha());
DependencyManager::get<DeferredLightingEffect>()->renderSolidCube(batch, 1.0f, cubeColor);
}
RenderableDebugableEntityItem::render(this, args);
};
void RenderableLightEntityItem::updateRenderItemFromEntity(LightPayload& lightPayload) {
auto entity = this;
lightPayload.setVisible(entity->getVisible());
auto light = lightPayload.editLight();
light->setPosition(entity->getPosition());
light->setOrientation(entity->getRotation());
bool success;
lightPayload.editBound() = entity->getAABox(success);
if (!success) {
lightPayload.editBound() = render::Item::Bound();
}
glm::vec3 dimensions = entity->getDimensions();
float largestDiameter = glm::compMax(dimensions);
light->setMaximumRadius(largestDiameter / 2.0f);
light->setColor(toGlm(entity->getXColor()));
float intensity = entity->getIntensity();//* entity->getFadingRatio();
light->setIntensity(intensity);
light->setFalloffRadius(entity->getFalloffRadius());
float exponent = entity->getExponent();
float cutoff = glm::radians(entity->getCutoff());
if (!entity->getIsSpotlight()) {
light->setType(model::Light::POINT);
} else {
light->setType(model::Light::SPOT);
light->setSpotAngle(cutoff);
light->setSpotExponent(exponent);
}
}
void RenderableBoxEntityItem::render(RenderArgs* args) {
PerformanceTimer perfTimer("RenderableBoxEntityItem::render");
Q_ASSERT(getType() == EntityTypes::Box);
Q_ASSERT(args->_batch);
if (!_procedural) {
_procedural.reset(new Procedural(this->getUserData()));
_procedural->_vertexSource = simple_vert;
_procedural->_fragmentSource = simple_frag;
_procedural->_state->setCullMode(gpu::State::CULL_NONE);
_procedural->_state->setDepthTest(true, true, gpu::LESS_EQUAL);
_procedural->_state->setBlendFunction(false,
gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA,
gpu::State::FACTOR_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::ONE);
}
gpu::Batch& batch = *args->_batch;
glm::vec4 cubeColor(toGlm(getXColor()), getLocalRenderAlpha());
bool success;
auto transToCenter = getTransformToCenter(success);
if (!success) {
return;
}
batch.setModelTransform(transToCenter); // we want to include the scale as well
if (_procedural->ready()) {
_procedural->prepare(batch, getPosition(), getDimensions());
auto color = _procedural->getColor(cubeColor);
batch._glColor4f(color.r, color.g, color.b, color.a);
DependencyManager::get<GeometryCache>()->renderCube(batch);
} else {
DependencyManager::get<GeometryCache>()->renderSolidCubeInstance(batch, cubeColor);
}
static const auto triCount = DependencyManager::get<GeometryCache>()->getCubeTriangleCount();
args->_details._trianglesRendered += (int)triCount;
}
EntityItemProperties ShapeEntityItem::getProperties(EntityPropertyFlags desiredProperties) const {
EntityItemProperties properties = EntityItem::getProperties(desiredProperties); // get the properties from our base class
properties.setColor(getXColor());
properties.setShape(entity::stringFromShape(getShape()));
return properties;
}
void ParticleEffectEntityItem::stepSimulation(float deltaTime) {
_particleMinBound = glm::vec3(-1.0f, -1.0f, -1.0f);
_particleMaxBound = glm::vec3(1.0f, 1.0f, 1.0f);
// update particles between head and tail
for (quint32 i = _particleHeadIndex; i != _particleTailIndex; i = (i + 1) % _maxParticles) {
_particleLifetimes[i] -= deltaTime;
// if particle has died.
if (_particleLifetimes[i] <= 0.0f || _lifespan == 0.0f) {
// move head forward
_particleHeadIndex = (_particleHeadIndex + 1) % _maxParticles;
}
else {
float age = 1.0f - _particleLifetimes[i] / _lifespan; // 0.0 .. 1.0
updateRadius(i, age);
updateColor(i, age);
updateAlpha(i, age);
integrateParticle(i, deltaTime);
extendBounds(_particlePositions[i]);
}
}
// emit new particles, but only if we are emmitting
if (getIsEmitting() && _emitRate > 0.0f && _lifespan > 0.0f && _polarStart <= _polarFinish) {
float timeLeftInFrame = deltaTime;
while (_timeUntilNextEmit < timeLeftInFrame) {
timeLeftInFrame -= _timeUntilNextEmit;
_timeUntilNextEmit = 1.0f / _emitRate;
// emit a new particle at tail index.
quint32 i = _particleTailIndex;
_particleLifetimes[i] = _lifespan;
// Radius
if (_radiusSpread == 0.0f) {
_radiusStarts[i] = getRadiusStart();
_radiusMiddles[i] =_particleRadius;
_radiusFinishes[i] = getRadiusFinish();
} else {
float spreadMultiplier;
if (_particleRadius > 0.0f) {
spreadMultiplier = 1.0f + randFloatInRange(-1.0f, 1.0f) * _radiusSpread / _particleRadius;
} else {
spreadMultiplier = 1.0f;
}
_radiusStarts[i] =
glm::clamp(spreadMultiplier * getRadiusStart(), MINIMUM_PARTICLE_RADIUS, MAXIMUM_PARTICLE_RADIUS);
_radiusMiddles[i] =
glm::clamp(spreadMultiplier * _particleRadius, MINIMUM_PARTICLE_RADIUS, MAXIMUM_PARTICLE_RADIUS);
_radiusFinishes[i] =
glm::clamp(spreadMultiplier * getRadiusFinish(), MINIMUM_PARTICLE_RADIUS, MAXIMUM_PARTICLE_RADIUS);
}
updateRadius(i, 0.0f);
// Position, velocity, and acceleration
if (_polarStart == 0.0f && _polarFinish == 0.0f && _emitDimensions.z == 0.0f) {
// Emit along z-axis from position
_particlePositions[i] = getPosition();
_particleVelocities[i] =
(_emitSpeed + randFloatInRange(-1.0f, 1.0f) * _speedSpread) * (_emitOrientation * Z_AXIS);
_particleAccelerations[i] = _emitAcceleration + randFloatInRange(-1.0f, 1.0f) * _accelerationSpread;
} else {
// Emit around point or from ellipsoid
// - Distribute directions evenly around point
// - Distribute points relatively evenly over ellipsoid surface
// - Distribute points relatively evenly within ellipsoid volume
float elevationMinZ = sin(PI_OVER_TWO - _polarFinish);
float elevationMaxZ = sin(PI_OVER_TWO - _polarStart);
float elevation = asin(elevationMinZ + (elevationMaxZ - elevationMinZ) * randFloat());
float azimuth;
if (_azimuthFinish >= _azimuthStart) {
azimuth = _azimuthStart + (_azimuthFinish - _azimuthStart) * randFloat();
} else {
azimuth = _azimuthStart + (TWO_PI + _azimuthFinish - _azimuthStart) * randFloat();
}
glm::vec3 emitDirection;
if (_emitDimensions == glm::vec3()) {
// Point
emitDirection = glm::quat(glm::vec3(PI_OVER_TWO - elevation, 0.0f, azimuth)) * Z_AXIS;
_particlePositions[i] = getPosition();
} else {
// Ellipsoid
float radiusScale = 1.0f;
if (_emitRadiusStart < 1.0f) {
float emitRadiusStart = glm::max(_emitRadiusStart, EPSILON); // Avoid math complications at center
float randRadius =
emitRadiusStart + randFloatInRange(0.0f, MAXIMUM_EMIT_RADIUS_START - emitRadiusStart);
radiusScale = 1.0f - std::pow(1.0f - randRadius, 3.0f);
}
glm::vec3 radiuses = radiusScale * 0.5f * _emitDimensions;
float x = radiuses.x * glm::cos(elevation) * glm::cos(azimuth);
float y = radiuses.y * glm::cos(elevation) * glm::sin(azimuth);
float z = radiuses.z * glm::sin(elevation);
glm::vec3 emitPosition = glm::vec3(x, y, z);
emitDirection = glm::normalize(glm::vec3(
radiuses.x > 0.0f ? x / (radiuses.x * radiuses.x) : 0.0f,
radiuses.y > 0.0f ? y / (radiuses.y * radiuses.y) : 0.0f,
radiuses.z > 0.0f ? z / (radiuses.z * radiuses.z) : 0.0f
));
_particlePositions[i] = getPosition() + _emitOrientation * emitPosition;
}
_particleVelocities[i] =
(_emitSpeed + randFloatInRange(-1.0f, 1.0f) * _speedSpread) * (_emitOrientation * emitDirection);
_particleAccelerations[i] = _emitAcceleration + randFloatInRange(-1.0f, 1.0f) * _accelerationSpread;
}
integrateParticle(i, timeLeftInFrame);
extendBounds(_particlePositions[i]);
// Color
if (_colorSpread == xColor{ 0, 0, 0 }) {
_colorStarts[i] = getColorStart();
_colorMiddles[i] = getXColor();
_colorFinishes[i] = getColorFinish();
} else {
xColor startColor = getColorStart();
xColor middleColor = getXColor();
xColor finishColor = getColorFinish();
float spread = randFloatInRange(-1.0f, 1.0f);
float spreadMultiplierRed =
middleColor.red > 0 ? 1.0f + spread * (float)_colorSpread.red / (float)middleColor.red : 1.0f;
float spreadMultiplierGreen =
middleColor.green > 0 ? 1.0f + spread * (float)_colorSpread.green / (float)middleColor.green : 1.0f;
float spreadMultiplierBlue =
middleColor.blue > 0 ? 1.0f + spread * (float)_colorSpread.blue / (float)middleColor.blue : 1.0f;
_colorStarts[i].red = (int)glm::clamp(spreadMultiplierRed * (float)startColor.red, 0.0f, 255.0f);
_colorStarts[i].green = (int)glm::clamp(spreadMultiplierGreen * (float)startColor.green, 0.0f, 255.0f);
_colorStarts[i].blue = (int)glm::clamp(spreadMultiplierBlue * (float)startColor.blue, 0.0f, 255.0f);
_colorMiddles[i].red = (int)glm::clamp(spreadMultiplierRed * (float)middleColor.red, 0.0f, 255.0f);
_colorMiddles[i].green = (int)glm::clamp(spreadMultiplierGreen * (float)middleColor.green, 0.0f, 255.0f);
_colorMiddles[i].blue = (int)glm::clamp(spreadMultiplierBlue * (float)middleColor.blue, 0.0f, 255.0f);
_colorFinishes[i].red = (int)glm::clamp(spreadMultiplierRed * (float)finishColor.red, 0.0f, 255.0f);
_colorFinishes[i].green = (int)glm::clamp(spreadMultiplierGreen * (float)finishColor.green, 0.0f, 255.0f);
_colorFinishes[i].blue = (int)glm::clamp(spreadMultiplierBlue * (float)finishColor.blue, 0.0f, 255.0f);
}
updateColor(i, 0.0f);
// Alpha
if (_alphaSpread == 0.0f) {
_alphaStarts[i] = getAlphaStart();
_alphaMiddles[i] = _alpha;
_alphaFinishes[i] = getAlphaFinish();
} else {
float spreadMultiplier = 1.0f + randFloatInRange(-1.0f, 1.0f) * _alphaSpread / _alpha;
_alphaStarts[i] = spreadMultiplier * getAlphaStart();
_alphaMiddles[i] = spreadMultiplier * _alpha;
_alphaFinishes[i] = spreadMultiplier * getAlphaFinish();
}
updateAlpha(i, 0.0f);
_particleTailIndex = (_particleTailIndex + 1) % _maxParticles;
// overflow! move head forward by one.
// because the case of head == tail indicates an empty array, not a full one.
// This can drop an existing older particle, but this is by design, newer particles are a higher priority.
if (_particleTailIndex == _particleHeadIndex) {
_particleHeadIndex = (_particleHeadIndex + 1) % _maxParticles;
}
}
_timeUntilNextEmit -= timeLeftInFrame;
}
}
