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openmw/components/sceneutil/keyframe.hpp

81 lines
2.3 KiB
C++

#ifndef OPENMW_COMPONENTS_SCENEUTIL_KEYFRAME_HPP
#define OPENMW_COMPONENTS_SCENEUTIL_KEYFRAME_HPP
#include <map>
#include <optional>
#include <osg/Object>
#include <components/sceneutil/controller.hpp>
#include <components/sceneutil/textkeymap.hpp>
namespace SceneUtil
{
/// @note Derived classes are expected to derive from osg::Callback and implement getAsCallback().
class KeyframeController : public SceneUtil::Controller, public virtual osg::Object
{
public:
KeyframeController() {}
KeyframeController(const KeyframeController& copy)
: SceneUtil::Controller(copy)
{
}
std::shared_ptr<float> mTime = std::make_shared<float>(0.0f);
struct KfTransform
{
std::optional<osg::Vec3f> mTranslation;
std::optional<osg::Quat> mRotation;
std::optional<float> mScale;
};
virtual osg::Vec3f getTranslation(float time) const { return osg::Vec3f(); }
virtual KfTransform getCurrentTransformation(osg::NodeVisitor* nv) { return KfTransform(); };
/// @note We could drop this function in favour of osg::Object::asCallback from OSG 3.6 on.
virtual osg::Callback* getAsCallback() = 0;
};
/// Wrapper object containing an animation track as a ref-countable osg::Object.
struct TextKeyMapHolder : public osg::Object
{
public:
TextKeyMapHolder() {}
TextKeyMapHolder(const TextKeyMapHolder& copy, const osg::CopyOp& copyop)
: osg::Object(copy, copyop)
, mTextKeys(copy.mTextKeys)
{
}
TextKeyMap mTextKeys;
META_Object(SceneUtil, TextKeyMapHolder)
};
/// Wrapper object containing the animation track and its KeyframeControllers.
class KeyframeHolder : public osg::Object
{
public:
KeyframeHolder() {}
KeyframeHolder(const KeyframeHolder& copy, const osg::CopyOp& copyop)
: mTextKeys(copy.mTextKeys)
, mKeyframeControllers(copy.mKeyframeControllers)
{
}
TextKeyMap mTextKeys;
META_Object(SceneUtil, KeyframeHolder)
/// Controllers mapped to node name.
typedef std::map<std::string, osg::ref_ptr<const KeyframeController>> KeyframeControllerMap;
KeyframeControllerMap mKeyframeControllers;
};
}
#endif