245 lines
11 KiB
C++
245 lines
11 KiB
C++
#include "behavior.h"
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#include <uf/utils/renderer/renderer.h>
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#include <uf/utils/math/transform.h>
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#include <uf/utils/math/physics.h>
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#include <uf/utils/camera/camera.h>
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namespace {
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struct {
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size_t current = 0;
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std::vector<uf::Object*> lights;
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} roundRobin;
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}
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UF_BEHAVIOR_REGISTER_CPP(ext::LightBehavior)
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#define this (&self)
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void ext::LightBehavior::initialize( uf::Object& self ) {
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auto& metadata = this->getComponent<uf::Serializer>();
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auto& transform = this->getComponent<pod::Transform<>>();
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auto& camera = this->getComponent<uf::Camera>();
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auto& scene = uf::scene::getCurrentScene();
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auto& controller = scene.getController();
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auto& sceneMetadata = scene.getComponent<uf::Serializer>();
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if ( !sceneMetadata["system"]["lights"]["round robin hook bound"].as<bool>() ) {
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sceneMetadata["system"]["lights"]["round robin hook bound"] = true;
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scene.addHook("game:Frame.Start", [&]( const ext::json::Value& payload ){
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if ( ++::roundRobin.current >= ::roundRobin.lights.size() ) ::roundRobin.current = 0;
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});
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}
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if ( !metadata["light"]["bias"]["constant"].is<float>() ) {
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metadata["light"]["bias"]["constant"] = 0.00005f;
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}
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if ( !ext::json::isArray( metadata["light"]["color"] ) ) {
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metadata["light"]["color"][0] = 1; //metadata["light"]["color"]["random"].as<bool>() ? (rand() % 100) / 100.0 : 1;
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metadata["light"]["color"][1] = 1; //metadata["light"]["color"]["random"].as<bool>() ? (rand() % 100) / 100.0 : 1;
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metadata["light"]["color"][2] = 1; //metadata["light"]["color"]["random"].as<bool>() ? (rand() % 100) / 100.0 : 1;
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}
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// metadata["light"]["shadows"] = false;
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if ( metadata["light"]["shadows"].as<bool>() ) {
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auto& cameraTransform = camera.getTransform();
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cameraTransform.reference = &transform;
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camera.setStereoscopic(false);
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if ( ext::json::isArray( metadata["light"]["radius"] ) ) {
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auto bounds = camera.getBounds();
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bounds.x = metadata["light"]["radius"][0].as<float>();
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bounds.y = metadata["light"]["radius"][1].as<float>();
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camera.setBounds(bounds);
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}
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if ( ext::json::isArray( metadata["light"]["resolution"] ) ) {
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camera.setSize( uf::vector::decode( metadata["light"]["resolution"], pod::Vector2ui{ uf::renderer::settings::width, uf::renderer::settings::height } ) );
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} else if ( metadata["light"]["resolution"].is<float>() ) {
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size_t size = metadata["light"]["resolution"].as<size_t>();
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camera.setSize( {size, size} );
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} else {
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camera.setSize( pod::Vector2ui{ uf::renderer::settings::width, uf::renderer::settings::height } );
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}
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::roundRobin.lights.emplace_back(this);
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auto& renderMode = this->getComponent<uf::renderer::RenderTargetRenderMode>();
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renderMode.metadata["type"] = "depth";
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renderMode.metadata["depth bias"] = metadata["light"]["bias"];
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renderMode.metadata["renderMode"] = metadata["renderMode"];
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// std::cout << this->getName() << ": " << renderMode.metadata["renderMode"] << std::endl;
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if ( metadata["light"]["type"].as<std::string>() == "point" ) {
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metadata["light"]["fov"] = 90.0f;
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renderMode.metadata["subpasses"] = 6;
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}
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if ( metadata["light"]["fov"].is<float>() ) {
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camera.setFov( metadata["light"]["fov"].as<float>() );
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}
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camera.updateView();
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camera.updateProjection();
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std::string name = "RT:" + std::to_string((int) this->getUid());
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uf::renderer::addRenderMode( &renderMode, name );
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renderMode.blitter.process = false;
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auto& cameraSize = camera.getSize();
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renderMode.width = cameraSize.x;
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renderMode.height = cameraSize.y;
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}
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}
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void ext::LightBehavior::tick( uf::Object& self ) {
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auto& metadata = this->getComponent<uf::Serializer>();
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if ( this->hasComponent<uf::renderer::RenderTargetRenderMode>() ) {
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auto& renderMode = this->getComponent<uf::renderer::RenderTargetRenderMode>();
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renderMode.setTarget("");
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}
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auto& transform = this->getComponent<pod::Transform<>>();
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auto& parent = this->getParent();
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auto& parentMetadata = parent.getComponent<uf::Serializer>();
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auto& parentTransform = parent.getComponent<pod::Transform<>>();
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// copy from our parent
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// if ( parentMetadata["system"]["name"] == "Light" ) {
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if ( metadata["light"]["bound"].as<bool>() ) {
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metadata["light"] = parentMetadata["light"];
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metadata["light"]["bound"] = true;
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if ( metadata["light"]["static"].as<bool>() ) {
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auto flatten = uf::transform::flatten( parentTransform );
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transform.position = flatten.position;
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}
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} else {
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// light fade action
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if ( ext::json::isObject( metadata["light"]["fade"] ) ) {
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if ( ext::json::isNull( metadata["light"]["backup"]["power"] ) ) {
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metadata["light"]["backup"]["power"] = metadata["light"]["power"];
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}
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if ( ext::json::isNull( metadata["light"]["backup"]["color"] ) ) {
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metadata["light"]["backup"]["color"] = metadata["light"]["color"];
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}
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// fade towards
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int direction = metadata["light"]["fade"]["increment"].as<bool>() ? 1 : -1;
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metadata["light"]["fade"]["timer"] = metadata["light"]["fade"]["timer"].as<float>() + metadata["light"]["fade"]["rate"].as<float>() * uf::physics::time::delta * direction;
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// 0 .. delta .. 1 .. (1 + timeout * 0.5)
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if ( direction == 1 && metadata["light"]["fade"]["timer"].as<float>() >= 0.5f * metadata["light"]["fade"]["timeout"].as<float>() + 1.0f ) {
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metadata["light"]["fade"]["increment"] = false;
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} else if ( direction == -1 && metadata["light"]["fade"]["timer"].as<float>() <= -0.5f * metadata["light"]["fade"]["timeout"].as<float>() ) {
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metadata["light"]["fade"]["increment"] = true;
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}
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{
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float delta = metadata["light"]["fade"]["timer"].as<float>();
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delta = std::clamp( delta, 0.f, 1.f );
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if ( metadata["light"]["fade"]["power"].is<double>() ) {
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metadata["light"]["power"] = uf::math::lerp( metadata["light"]["backup"]["power"].as<float>(), metadata["light"]["fade"]["power"].as<float>(), delta );
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}
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if ( ext::json::isArray( metadata["light"]["fade"]["color"] ) ) {
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pod::Vector3f fadeColor; {
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fadeColor.x = metadata["light"]["fade"]["color"][0].as<float>();
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fadeColor.y = metadata["light"]["fade"]["color"][1].as<float>();
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fadeColor.z = metadata["light"]["fade"]["color"][2].as<float>();
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}
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pod::Vector3f origColor; {
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origColor.x = metadata["light"]["backup"]["color"][0].as<float>();
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origColor.y = metadata["light"]["backup"]["color"][1].as<float>();
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origColor.z = metadata["light"]["backup"]["color"][2].as<float>();
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}
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pod::Vector3f color = uf::vector::lerp( origColor, fadeColor, delta );
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metadata["light"]["color"][0] = color[0];
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metadata["light"]["color"][1] = color[1];
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metadata["light"]["color"][2] = color[2];
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}
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}
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}
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// light flicker action
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if ( ext::json::isObject( metadata["light"]["flicker"] ) ) {
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float r = (rand() % 100) / 100.0;
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float rate = metadata["light"]["flicker"]["rate"].as<float>();
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if ( ext::json::isNull( metadata["light"]["backup"]["power"] ) ) {
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metadata["light"]["backup"]["power"] = metadata["light"]["power"];
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}
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metadata["light"]["flicker"]["timer"] = metadata["light"]["flicker"]["timer"].as<float>() + uf::physics::time::delta;
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if ( metadata["light"]["flicker"]["timer"].as<float>() >= metadata["light"]["flicker"]["timeout"].as<float>() ) {
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metadata["light"]["flicker"]["timer"] = 0;
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metadata["light"]["power"] = (r > rate) ? metadata["light"]["flicker"]["power"].as<float>() : metadata["light"]["backup"]["power"].as<float>();
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}
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}
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}
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// skip if we're handling the camera view matrix position ourselves
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if ( !metadata["light"]["external update"].as<bool>() ) {
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auto& camera = this->getComponent<uf::Camera>();
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// omni light
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if ( metadata["light"]["shadows"].as<bool>() && metadata["light"]["type"].as<std::string>() == "point" ) {
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auto transform = camera.getTransform();
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std::vector<pod::Quaternion<>> rotations = {
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/*
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{0, 0, 0, 1},
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{0, 0.707107, 0, -0.707107},
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{0, 1, 0, 0},
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{0, 0.707107, 0, 0.707107},
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{-0.707107, 0, 0, -0.707107},
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{0.707107, 0, 0, -0.707107},
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*/
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uf::quaternion::axisAngle( { 0, 1, 0 }, 0 * 1.57079633 ),
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uf::quaternion::axisAngle( { 0, 1, 0 }, 1 * 1.57079633 ),
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uf::quaternion::axisAngle( { 0, 1, 0 }, 2 * 1.57079633 ),
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uf::quaternion::axisAngle( { 0, 1, 0 }, 3 * 1.57079633 ),
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uf::quaternion::axisAngle( { 1, 0, 0 }, 1 * 1.57079633 ),
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uf::quaternion::axisAngle( { 1, 0, 0 }, 3 * 1.57079633 ),
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};
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for ( size_t i = 0; i < rotations.size(); ++i ) {
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auto transform = camera.getTransform();
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transform.orientation = rotations[i];
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camera.setView( uf::matrix::inverse( uf::transform::model( transform, false ) ), i );
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}
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} else {
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camera.updateView();
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}
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// for ( std::size_t i = 0; i < 2; ++i ) camera.setView( uf::matrix::inverse( uf::transform::model( transform ) ), i );
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}
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// limit updating our shadow map
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if ( this->hasComponent<uf::renderer::RenderTargetRenderMode>() ) {
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bool execute = true;
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// enable renderer every X seconds
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if ( metadata["system"]["renderer"]["limiter"].is<float>() ) {
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if ( metadata["system"]["renderer"]["timer"].as<float>() > metadata["system"]["renderer"]["limiter"].as<float>() ) {
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metadata["system"]["renderer"]["timer"] = 0;
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execute = true;
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} else {
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metadata["system"]["renderer"]["timer"] = metadata["system"]["renderer"]["timer"].as<float>() + uf::physics::time::delta;
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execute = false;
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}
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} else if ( metadata["system"]["renderer"]["mode"].is<std::string>() ) {
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std::string mode = metadata["system"]["renderer"]["mode"].as<std::string>();
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// round robin, enable if it's the light's current turn
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if ( mode == "round robin" ) {
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if ( ::roundRobin.current < ::roundRobin.lights.size() ) execute = ::roundRobin.lights[::roundRobin.current] == this;
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// render only if the light is used
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} else if ( mode == "occlusion" ) {
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execute = metadata["system"]["renderer"]["rendered"].as<bool>();
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// light baking, but sadly re-bakes every time the command buffer is recorded
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} else if ( mode == "once" ) {
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execute = !metadata["system"]["renderer"]["rendered"].as<bool>();
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metadata["system"]["renderer"]["rendered"] = true;
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}
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}
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auto& renderMode = this->getComponent<uf::renderer::RenderTargetRenderMode>();
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renderMode.execute = execute;
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}
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}
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void ext::LightBehavior::render( uf::Object& self ){
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}
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void ext::LightBehavior::destroy( uf::Object& self ){
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if ( this->hasComponent<uf::renderer::RenderTargetRenderMode>() ) {
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auto& renderMode = this->getComponent<uf::renderer::RenderTargetRenderMode>();
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uf::renderer::removeRenderMode( &renderMode, false );
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this->deleteComponent<uf::renderer::RenderTargetRenderMode>();
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}
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::roundRobin.lights.erase(std::remove(::roundRobin.lights.begin(), ::roundRobin.lights.end(), this), ::roundRobin.lights.end());
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::roundRobin.current = 0;
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}
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#undef this |