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79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
//
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// RenderableLightEntityItem.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 "RenderableLightEntityItem.h"
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#include <GLMHelpers.h>
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#include <PerfStat.h>
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using namespace render;
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using namespace render::entities;
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void LightEntityRenderer::doRenderUpdateAsynchronousTyped(const TypedEntityPointer& entity) {
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// Reset the value before reading the data!
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// otherwise there could be a race condition where the value changes
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// after we read it but before we reset, and we never see the change
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entity->resetLightPropertiesChanged();
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auto& lightPayload = *_lightPayload;
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lightPayload.setVisible(_visible);
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auto light = lightPayload.editLight();
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light->setPosition(entity->getWorldPosition());
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light->setOrientation(entity->getWorldOrientation());
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bool success;
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lightPayload.editBound() = entity->getAABox(success);
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if (!success) {
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lightPayload.editBound() = render::Item::Bound();
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}
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glm::vec3 dimensions = entity->getScaledDimensions();
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float largestDiameter = glm::compMax(dimensions);
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light->setMaximumRadius(largestDiameter / 2.0f);
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light->setColor(toGlm(entity->getXColor()));
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float intensity = entity->getIntensity();//* entity->getFadingRatio();
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light->setIntensity(intensity);
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light->setFalloffRadius(entity->getFalloffRadius());
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float exponent = entity->getExponent();
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float cutoff = glm::radians(entity->getCutoff());
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if (!entity->getIsSpotlight()) {
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light->setType(graphics::Light::POINT);
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} else {
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light->setType(graphics::Light::SPOT);
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light->setSpotAngle(cutoff);
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light->setSpotExponent(exponent);
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}
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}
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ItemKey LightEntityRenderer::getKey() {
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return payloadGetKey(_lightPayload);
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}
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Item::Bound LightEntityRenderer::getBound() {
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return payloadGetBound(_lightPayload);
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}
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bool LightEntityRenderer::needsRenderUpdateFromTypedEntity(const TypedEntityPointer& entity) const {
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return entity->lightPropertiesChanged();
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}
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void LightEntityRenderer::doRender(RenderArgs* args) {
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_lightPayload->render(args);
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}
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