107 lines
3.6 KiB
C++
107 lines
3.6 KiB
C++
#include "OpenGLSkybox.h"
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#include "AtmosphereDefinition.h"
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#include "AtmosphereModelBruneton.h"
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#include "AtmosphereRenderer.h"
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#include "CelestialBodyDefinition.h"
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#include "FloatNode.h"
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#include "Logs.h"
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#include "OpenGLRenderer.h"
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#include "OpenGLShaderProgram.h"
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#include "OpenGLSharedState.h"
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#include "OpenGLVertexArray.h"
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#include "Scenery.h"
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#include <cmath>
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static const string path_humidity = "/atmosphere/humidity";
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static const string path_sun_phi = "/atmosphere/sun/phi";
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static const string path_sun_theta = "/atmosphere/sun/theta";
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static const string path_sun_radius = "/atmosphere/sun/radius";
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OpenGLSkybox::OpenGLSkybox(OpenGLRenderer *renderer) : OpenGLPart(renderer, "skybox") {
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program = createShader("skybox");
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program->addVertexSource("skybox");
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program->addFragmentSource("atmosphere");
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program->addFragmentSource("tonemapping");
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program->addFragmentSource("skybox");
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vertices = createVertexArray(false, true);
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vertices->setVertexCount(14);
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vertices->set(0, Vector3(1.0f, 1.0f, 1.0f));
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vertices->set(12, Vector3(1.0f, 1.0f, 1.0f));
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vertices->set(1, Vector3(1.0f, -1.0f, 1.0f));
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vertices->set(5, Vector3(1.0f, -1.0f, 1.0f));
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vertices->set(13, Vector3(1.0f, -1.0f, 1.0f));
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vertices->set(2, Vector3(-1.0f, 1.0f, 1.0f));
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vertices->set(10, Vector3(-1.0f, 1.0f, 1.0f));
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vertices->set(3, Vector3(-1.0f, -1.0f, 1.0f));
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vertices->set(4, Vector3(-1.0f, -1.0f, -1.0f));
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vertices->set(8, Vector3(-1.0f, -1.0f, -1.0f));
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vertices->set(6, Vector3(1.0f, -1.0f, -1.0f));
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vertices->set(7, Vector3(1.0f, 1.0f, -1.0f));
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vertices->set(11, Vector3(1.0f, 1.0f, -1.0f));
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vertices->set(9, Vector3(-1.0f, 1.0f, -1.0f));
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}
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OpenGLSkybox::~OpenGLSkybox() {
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}
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void OpenGLSkybox::initialize() {
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// Watch for definition changes
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Scenery *scenery = renderer->getScenery();
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startWatchingPath(scenery, path_sun_phi);
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startWatchingPath(scenery, path_sun_theta);
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startWatchingPath(scenery, path_sun_radius);
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startWatchingPath(scenery, path_humidity);
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}
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void OpenGLSkybox::update() {
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Logs::debug("OpenGL") << "Updating atmosphere textures" << endl;
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SoftwareBrunetonAtmosphereRenderer *bruneton =
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(SoftwareBrunetonAtmosphereRenderer *)renderer->getAtmosphereRenderer();
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renderer->getSharedState()->set("transmittanceTexture", bruneton->getModel()->getTextureTransmittance());
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renderer->getSharedState()->set("inscatterTexture", bruneton->getModel()->getTextureInscatter());
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renderer->getSharedState()->set("irradianceTexture", bruneton->getModel()->getTextureIrradiance());
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}
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void OpenGLSkybox::render() {
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program->draw(vertices);
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}
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void OpenGLSkybox::nodeChanged(const DefinitionNode *node, const DefinitionDiff *diff, const DefinitionNode *parent) {
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OpenGLSharedState *state = renderer->getSharedState();
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AtmosphereDefinition *newdef = renderer->getScenery()->getAtmosphere();
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if (node->getPath() == path_sun_phi or node->getPath() == path_sun_theta) {
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Vector3 sun_direction = newdef->childSun()->getGlobalDirection();
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state->set("sunDirection", sun_direction);
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Color sun_color = newdef->sun_color;
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state->set("sunColor", sun_color);
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state->set("dayTime", newdef->getDaytime());
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}
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DefinitionWatcher::nodeChanged(node, diff, parent);
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}
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void OpenGLSkybox::floatNodeChanged(const string &path, double new_value, double) {
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OpenGLSharedState *state = renderer->getSharedState();
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if (path == path_humidity) {
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state->set("atmosphereHumidity", new_value);
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} else if (path == path_sun_radius) {
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state->set("sunRadius", renderer->getScenery()->getAtmosphere()->childSun()->getAngularRadius());
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}
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}
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