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74 lines
2.8 KiB
C++
74 lines
2.8 KiB
C++
//
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// RenderableSphereEntityItem.cpp
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// interface/src
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//
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// Created by Brad Hefta-Gaub on 8/6/14.
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// Copyright 2014 High Fidelity, Inc.
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//
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// Distributed under the Apache License, Version 2.0.
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// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
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//
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#include "RenderableSphereEntityItem.h"
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#include <glm/gtx/quaternion.hpp>
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#include <gpu/Batch.h>
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#include <DependencyManager.h>
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#include <DeferredLightingEffect.h>
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#include <GeometryCache.h>
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#include <PerfStat.h>
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#include "../render-utils/simple_vert.h"
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#include "../render-utils/simple_frag.h"
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// Sphere entities should fit inside a cube entity of the same size, so a sphere that has dimensions 1x1x1
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// is a half unit sphere. However, the geometry cache renders a UNIT sphere, so we need to scale down.
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static const float SPHERE_ENTITY_SCALE = 0.5f;
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EntityItemPointer RenderableSphereEntityItem::factory(const EntityItemID& entityID, const EntityItemProperties& properties) {
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EntityItemPointer entity{ new RenderableSphereEntityItem(entityID) };
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entity->setProperties(properties);
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return entity;
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}
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void RenderableSphereEntityItem::setUserData(const QString& value) {
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if (value != getUserData()) {
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SphereEntityItem::setUserData(value);
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_procedural.reset();
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}
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}
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void RenderableSphereEntityItem::render(RenderArgs* args) {
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PerformanceTimer perfTimer("RenderableSphereEntityItem::render");
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Q_ASSERT(getType() == EntityTypes::Sphere);
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Q_ASSERT(args->_batch);
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if (!_procedural) {
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_procedural.reset(new Procedural(getUserData()));
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_procedural->_vertexSource = simple_vert;
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_procedural->_fragmentSource = simple_frag;
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_procedural->_state->setCullMode(gpu::State::CULL_NONE);
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_procedural->_state->setDepthTest(true, true, gpu::LESS_EQUAL);
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_procedural->_state->setBlendFunction(false,
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gpu::State::SRC_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::INV_SRC_ALPHA,
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gpu::State::FACTOR_ALPHA, gpu::State::BLEND_OP_ADD, gpu::State::ONE);
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}
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gpu::Batch& batch = *args->_batch;
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glm::vec4 sphereColor(toGlm(getXColor()), getLocalRenderAlpha());
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Transform modelTransform = getTransformToCenter();
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modelTransform.postScale(SPHERE_ENTITY_SCALE);
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if (_procedural->ready()) {
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batch.setModelTransform(modelTransform); // use a transform with scale, rotation, registration point and translation
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_procedural->prepare(batch, getPosition(), getDimensions());
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auto color = _procedural->getColor(sphereColor);
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batch._glColor4f(color.r, color.g, color.b, color.a);
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DependencyManager::get<GeometryCache>()->renderSphere(batch);
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} else {
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batch.setModelTransform(Transform());
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DependencyManager::get<DeferredLightingEffect>()->renderSolidSphereInstance(batch, modelTransform, sphereColor);
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}
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};
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