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123 lines
No EOL
4.7 KiB
C++
123 lines
No EOL
4.7 KiB
C++
//
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// Created by Sam Gondelman on 11/29/18
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// Copyright 2018 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 "RenderableGridEntityItem.h"
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#include <DependencyManager.h>
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#include <GeometryCache.h>
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using namespace render;
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using namespace render::entities;
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GridEntityRenderer::GridEntityRenderer(const EntityItemPointer& entity) : Parent(entity) {
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_geometryId = DependencyManager::get<GeometryCache>()->allocateID();
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}
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GridEntityRenderer::~GridEntityRenderer() {
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auto geometryCache = DependencyManager::get<GeometryCache>();
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if (geometryCache) {
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geometryCache->releaseID(_geometryId);
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}
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}
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bool GridEntityRenderer::isTransparent() const {
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return Parent::isTransparent() || _alpha < 1.0f || _pulseProperties.getAlphaMode() != PulseMode::NONE;
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}
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void GridEntityRenderer::doRenderUpdateSynchronousTyped(const ScenePointer& scene, Transaction& transaction, const TypedEntityPointer& entity) {
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void* key = (void*)this;
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AbstractViewStateInterface::instance()->pushPostUpdateLambda(key, [this, entity] {
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withWriteLock([&] {
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_dimensions = entity->getScaledDimensions();
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_renderTransform = getModelTransform();
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});
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});
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}
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void GridEntityRenderer::doRenderUpdateAsynchronousTyped(const TypedEntityPointer& entity) {
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_color = entity->getColor();
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_alpha = entity->getAlpha();
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_pulseProperties = entity->getPulseProperties();
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_followCamera = entity->getFollowCamera();
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_majorGridEvery = entity->getMajorGridEvery();
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_minorGridEvery = entity->getMinorGridEvery();
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}
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Item::Bound GridEntityRenderer::getBound(RenderArgs* args) {
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if (_followCamera) {
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// This is a UI element that should always be in view, lie to the octree to avoid culling
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const AABox DOMAIN_BOX = AABox(glm::vec3(-TREE_SCALE / 2), TREE_SCALE);
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return DOMAIN_BOX;
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}
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return Parent::getBound(args);
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}
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ShapeKey GridEntityRenderer::getShapeKey() {
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auto builder = render::ShapeKey::Builder().withOwnPipeline().withUnlit().withDepthBias();
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if (isTransparent()) {
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builder.withTranslucent();
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}
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if (_primitiveMode == PrimitiveMode::LINES) {
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builder.withWireframe();
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}
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return builder.build();
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}
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void GridEntityRenderer::doRender(RenderArgs* args) {
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glm::vec4 color = glm::vec4(toGlm(_color), _alpha);
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color = EntityRenderer::calculatePulseColor(color, _pulseProperties, _created);
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glm::vec3 dimensions;
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Transform renderTransform;
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withReadLock([&] {
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dimensions = _dimensions;
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renderTransform = _renderTransform;
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});
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if (!_visible || color.a == 0.0f) {
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return;
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}
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bool forward = _renderLayer != RenderLayer::WORLD || args->_renderMethod == Args::RenderMethod::FORWARD;
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auto batch = args->_batch;
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Transform transform;
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transform.setScale(dimensions);
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transform.setRotation(renderTransform.getRotation());
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if (_followCamera) {
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// Get the camera position rounded to the nearest major grid line
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// This grid is for UI and should lie on worldlines
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glm::vec3 localCameraPosition = glm::inverse(transform.getRotation()) * (args->getViewFrustum().getPosition() - renderTransform.getTranslation());
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localCameraPosition.z = 0;
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localCameraPosition = (float)_majorGridEvery * glm::round(localCameraPosition / (float)_majorGridEvery);
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transform.setTranslation(renderTransform.getTranslation() + transform.getRotation() * localCameraPosition);
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} else {
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transform.setTranslation(renderTransform.getTranslation());
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}
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transform.setRotation(BillboardModeHelpers::getBillboardRotation(transform.getTranslation(), transform.getRotation(), _billboardMode,
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args->_renderMode == RenderArgs::RenderMode::SHADOW_RENDER_MODE ? BillboardModeHelpers::getPrimaryViewFrustumPosition() : args->getViewFrustum().getPosition()));
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batch->setModelTransform(transform);
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auto minCorner = glm::vec2(-0.5f, -0.5f);
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auto maxCorner = glm::vec2(0.5f, 0.5f);
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float majorGridRowDivisions = dimensions.x / _majorGridEvery;
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float majorGridColDivisions = dimensions.y / _majorGridEvery;
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float minorGridRowDivisions = dimensions.x / _minorGridEvery;
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float minorGridColDivisions = dimensions.y / _minorGridEvery;
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const float MINOR_GRID_EDGE = 0.0025f;
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const float MAJOR_GRID_EDGE = 0.005f;
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DependencyManager::get<GeometryCache>()->renderGrid(*batch, minCorner, maxCorner,
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minorGridRowDivisions, minorGridColDivisions, MINOR_GRID_EDGE,
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majorGridRowDivisions, majorGridColDivisions, MAJOR_GRID_EDGE,
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color, forward, _geometryId);
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} |