118 lines
3.2 KiB
C++
118 lines
3.2 KiB
C++
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#include "entities/PathComponent.h"
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#include "common/SpdLogger.h"
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#include "common/RecourceHelper.h"
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#include "utils/TransformPath.h"
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#include "utils/OsgUtils.h"
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#include "entities/Entity.h"
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#include "workspace/WorkSpace.h"
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#include "workspace/Timestep.h"
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PathComponent::PathComponent(SceneComponent* parent)
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: SceneComponent(parent) {
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animationPath_ = new osg::AnimationPath();
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animationPath_->setLoopMode(osg::AnimationPath::SWING);
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}
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PathComponent::~PathComponent() {
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}
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std::string PathComponent::GetTypeName() {
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return "PathComponent";
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}
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bool PathComponent::SetAttribute(const char* name, const char* value) {
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if (0 == strcmp(name, "path")) {
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SetPath(value);
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return nullptr != transformPath_;
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}
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return SceneComponent::SetAttribute(name, value);
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}
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bool PathComponent::SaveAttribute(tinyxml2::XMLElement* element) {
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element->SetAttribute("path", path_.toStdString().c_str());
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return SceneComponent::SaveAttribute(element);
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}
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void PathComponent::Begin() {
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WorkSpace* workspace = GetEntity()->GetWorkspace();
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if (nullptr == workspace) {
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LOG_WARN("workspace is nullptr");
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return;
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}
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timeStep_ = workspace->GetTimestep();
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if (nullptr == timeStep_) {
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LOG_WARN("timeStep is nullptr");
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return;
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}
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if (nullptr == transformPath_) {
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LOG_WARN("transformPath_ is nullptr");
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return;
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}
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animationPath_->clear();
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const std::vector<double>& steps = timeStep_->GetSteps();
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const std::vector<Transform>& transforms = transformPath_->GetTransforms();
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int num = std::min(steps.size(), transforms.size());
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for (int index = 0; index < num; ++index) {
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const Transform& transform = transforms[index];
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osg::AnimationPath::ControlPoint controlPoint(transform.GetLocation() + osg::Vec3(index * 10, 0, 0),
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OsgUtils::HPRToQuat(transform.GetRotation() + osg::Vec3(0, 0, -90.0)), transform.GetScale());
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animationPath_->insert(steps[index], controlPoint);
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}
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/* osg::ref_ptr<osg::AnimationPathCallback> apcb = new osg::AnimationPathCallback;
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apcb->setAnimationPath(animationPath_);
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osg::MatrixTransform* mt = GetRootComponent()->GetMatrixTransform();
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if (nullptr == mt) {
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LOG_WARN("mt is nullptr");
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return;
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}
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mt->setUpdateCallback(apcb);
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*/
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deltaTime_ = 0;
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}
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void PathComponent::Update(double dt) {
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deltaTime_ += dt;
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if (nullptr == timeStep_) {
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return;
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}
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double st = timeStep_->GetCurrent();
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osg::AnimationPath::ControlPoint cp;
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if (!animationPath_->getInterpolatedControlPoint(st, cp)) {
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return;
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}
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Transform* transform = owner_->GetTransform();
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transform->SetLocation(cp.getPosition());
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osg::Vec3 angle;
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OsgUtils::QuatToHPR(cp.getRotation(), &angle);
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transform->SetRotation(angle);
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transform->SetScale(cp.getScale());
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}
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void PathComponent::SetPath(const QString& path) {
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if (nullptr != transformPath_) {
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transformPath_->deleteLater();
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}
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const QString filePath = QString("%1/%2").arg(RecourceHelper::Get().GetBasePath()).arg(path);
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transformPath_ = TransformPath::LoadFromFile(filePath, this);
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path_ = path;
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}
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const QString& PathComponent::GetPath() const {
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return path_;
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}
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