+++ /dev/null
-#include <cmath>
-#include <msp/core/maputils.h>
-#include <msp/datafile/collection.h>
-#include <msp/interpolate/bezierspline.h>
-#include "animation.h"
-#include "animationeventobserver.h"
-#include "armature.h"
-#include "error.h"
-#include "pose.h"
-
-using namespace std;
-
-namespace Msp {
-namespace GL {
-
-Animation::Animation():
- armature(0),
- looping(false)
-{ }
-
-// Avoid synthesizing ~RefPtr in files including animation.h
-Animation::~Animation()
-{ }
-
-void Animation::set_armature(const Armature &a)
-{
- if(!keyframes.empty() && &a!=armature)
- throw invalid_operation("Animation::set_armature");
- armature = &a;
-}
-
-unsigned Animation::get_slot_for_uniform(const string &n) const
-{
- for(unsigned i=0; i<uniforms.size(); ++i)
- if(uniforms[i].name==n)
- return i;
- throw key_error(n);
-}
-
-const string &Animation::get_uniform_name(unsigned i) const
-{
- if(i>=uniforms.size())
- throw out_of_range("Animation::get_uniform_name");
- return uniforms[i].name;
-}
-
-void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf)
-{
- RefPtr<const KeyFrame> kfr(&kf);
- kfr.keep();
- add_keyframe(t, kfr, false);
- create_curves();
-}
-
-void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf, float slope)
-{
- add_keyframe(t, kf, slope, slope);
-}
-
-void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf, float, float)
-{
- add_keyframe(t, kf);
-}
-
-void Animation::add_control_keyframe(const KeyFrame &kf)
-{
- if(keyframes.empty())
- throw invalid_operation("Animation::add_control_keyframe");
-
- RefPtr<const KeyFrame> kfr(&kf);
- kfr.keep();
- add_keyframe(keyframes.back().time, kfr, true);
-}
-
-void Animation::add_keyframe(const Time::TimeDelta &t, const RefPtr<const KeyFrame> &kf, bool c)
-{
- if(c && keyframes.empty())
- throw invalid_argument("Animation::add_keyframe");
- if(keyframes.empty() && t!=Time::zero)
- throw invalid_argument("Animation::add_keyframe");
- if(!keyframes.empty() && t<keyframes.back().time)
- throw invalid_argument("Animation::add_keyframe");
- if(kf->get_pose() && armature && kf->get_pose()->get_armature()!=armature)
- throw invalid_argument("Animation::add_keyframe");
-
- const KeyFrame::UniformMap &kf_uniforms = kf->get_uniforms();
- for(vector<UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
- {
- KeyFrame::UniformMap::const_iterator j = kf_uniforms.find(i->name);
- if(j!=kf_uniforms.end() && j->second.size!=i->size)
- throw invalid_argument("Animation::add_keyframe");
- }
-
- if(kf->get_pose() && !armature)
- armature = kf->get_pose()->get_armature();
-
- TimedKeyFrame tkf;
- tkf.time = t;
- tkf.keyframe = kf;
- tkf.control = c;
-
- keyframes.push_back(tkf);
-
- for(KeyFrame::UniformMap::const_iterator i=kf_uniforms.begin(); i!=kf_uniforms.end(); ++i)
- {
- bool found = false;
- for(vector<UniformInfo>::const_iterator j=uniforms.begin(); (!found && j!=uniforms.end()); ++j)
- found = (j->name==i->first);
-
- if(!found)
- uniforms.push_back(UniformInfo(i->first, i->second.size));
- }
-}
-
-void Animation::create_curves()
-{
- for(vector<Curve *>::iterator i=curves.begin(); i!=curves.end(); ++i)
- delete *i;
- curves.clear();
-
- curves.reserve(3+uniforms.size());
- create_curve<3>(POSITION, &extract_position);
- create_curve<3>(EULER, &extract_euler);
- create_curve<3>(SCALE, &extract_scale);
-
- for(vector<UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
- {
- if(i->size==1)
- create_curve<1>(UNIFORM, ExtractUniform<1>(i->name));
- else if(i->size==2)
- create_curve<2>(UNIFORM, ExtractUniform<2>(i->name));
- else if(i->size==3)
- create_curve<3>(UNIFORM, ExtractUniform<3>(i->name));
- else if(i->size==4)
- create_curve<4>(UNIFORM, ExtractUniform<4>(i->name));
- }
-}
-
-template<unsigned N, typename T>
-void Animation::create_curve(CurveTarget target, const T &extract)
-{
- typedef typename ValueCurve<N>::Knot Knot;
-
- vector<Knot> knots;
- unsigned n_control = 0;
- for(vector<TimedKeyFrame>::const_iterator i=keyframes.begin(); i!=keyframes.end(); ++i)
- {
- if(i->control && knots.empty())
- continue;
-
- typename Interpolate::SplineValue<float, N>::Type value;
- if(extract(*i->keyframe, value))
- {
- float x = i->time/Time::sec;
- if(i->control)
- {
- ++n_control;
- if(n_control>2)
- throw logic_error("too many control keyframes");
- }
- else
- {
- if(n_control==1)
- {
- typename Knot::Value cv = knots.back().y;
- knots.back().y = (knots[knots.size()-2].y+cv*2.0f)/3.0f;
- knots.push_back(Knot(x, (value+cv*2.0f)/3.0f));
- }
- else if(n_control==0 && !knots.empty())
- {
- typename Knot::Value prev = knots.back().y;
- knots.push_back(Knot(knots.back().x, (prev*2.0f+value)/3.0f));
- knots.push_back(Knot(x, (prev+value*2.0f)/3.0f));
- }
- n_control = 0;
- }
- knots.push_back(Knot(x, value));
- }
- }
-
- while(n_control--)
- knots.pop_back();
-
- curves.push_back(new ValueCurve<N>(target, knots));
-}
-
-bool Animation::extract_position(const KeyFrame &kf, Vector3 &value)
-{
- value = kf.get_transform().get_position();
- return true;
-}
-
-bool Animation::extract_euler(const KeyFrame &kf, Vector3 &value)
-{
- const Transform::AngleVector3 &euler = kf.get_transform().get_euler();
- value = Vector3(euler.x.radians(), euler.y.radians(), euler.z.radians());
- return true;
-}
-
-bool Animation::extract_scale(const KeyFrame &kf, Vector3 &value)
-{
- value = kf.get_transform().get_scale();
- return true;
-}
-
-void Animation::add_event(const Time::TimeDelta &t, const string &n, const Variant &v)
-{
- Event event;
- event.time = t;
- event.name = n;
- event.value = v;
- events.push_back(event);
-}
-
-const Time::TimeDelta &Animation::get_duration() const
-{
- if(keyframes.empty())
- return Time::zero;
-
- return keyframes.back().time;
-}
-
-void Animation::set_looping(bool l)
-{
- looping = l;
-}
-
-
-Animation::Curve::Curve(CurveTarget t):
- target(t)
-{ }
-
-
-template<unsigned N>
-Animation::ValueCurve<N>::ValueCurve(CurveTarget t, const vector<Knot> &k):
- Curve(t),
- spline(Interpolate::BezierSpline<float, 3, N>(k))
-{ }
-
-template<unsigned N>
-void Animation::ValueCurve<N>::apply(float, Matrix &) const
-{
- throw invalid_operation("ValueCurve::apply");
-}
-
-template<>
-void Animation::ValueCurve<3>::apply(float x, Matrix &matrix) const
-{
- Vector3 value = spline(x);
- if(target==POSITION)
- matrix.translate(value);
- else if(target==EULER)
- {
- matrix.rotate(value.z, Vector3(0, 0, 1));
- matrix.rotate(value.y, Vector3(0, 1, 0));
- matrix.rotate(value.x, Vector3(1, 0, 0));
- }
- else if(target==SCALE)
- matrix.scale(value);
- else
- throw invalid_operation("ValueCurve::apply");
-}
-
-template<unsigned N>
-void Animation::ValueCurve<N>::apply(float x, KeyFrame::AnimatedUniform &uni) const
-{
- uni.size = N;
- typename Interpolate::Spline<float, 3, N>::Value value = spline(x);
- for(unsigned i=0; i<N; ++i)
- uni.values[i] = Interpolate::SplineValue<float, N>::get(value, i);
-}
-
-
-template<unsigned N>
-bool Animation::ExtractUniform<N>::operator()(const KeyFrame &kf, typename Interpolate::SplineValue<float, N>::Type &value) const
-{
- const KeyFrame::UniformMap &kf_uniforms = kf.get_uniforms();
- const KeyFrame::UniformMap::const_iterator i = kf_uniforms.find(name);
- if(i==kf_uniforms.end())
- return false;
-
- value = Interpolate::SplineValue<float, N>::make(i->second.values);
- return true;
-}
-
-
-Animation::UniformInfo::UniformInfo(const string &n, unsigned s):
- name(n),
- size(s)
-{ }
-
-
-Animation::Iterator::Iterator(const Animation &a):
- animation(&a),
- event_iter(animation->events.begin()),
- end(false)
-{
-}
-
-Animation::Iterator &Animation::Iterator::operator+=(const Time::TimeDelta &t)
-{
- const Time::TimeDelta &duration = animation->get_duration();
- if(!duration)
- return *this;
-
- elapsed += t;
- if(animation->looping)
- {
- while(elapsed>=duration)
- elapsed -= duration;
- }
- else if(elapsed>=duration)
- {
- end = true;
- elapsed = duration;
- }
-
- return *this;
-}
-
-void Animation::Iterator::dispatch_events(AnimationEventObserver &observer)
-{
- for(; (event_iter!=animation->events.end() && event_iter->time<=elapsed); ++event_iter)
- observer.animation_event(0, event_iter->name, event_iter->value);
-}
-
-Matrix Animation::Iterator::get_matrix() const
-{
- Matrix matrix;
- for(unsigned i=0; i<3; ++i)
- animation->curves[i]->apply(elapsed/Time::sec, matrix);
- return matrix;
-}
-
-KeyFrame::AnimatedUniform Animation::Iterator::get_uniform(unsigned i) const
-{
- if(i>=animation->uniforms.size())
- throw out_of_range("Animation::Iterator::get_uniform");
-
- KeyFrame::AnimatedUniform uni(animation->uniforms[i].size, 0.0f);
- animation->curves[3+i]->apply(elapsed/Time::sec, uni);
- return uni;
-}
-
-Matrix Animation::Iterator::get_pose_matrix(unsigned link) const
-{
- if(!animation->armature)
- throw invalid_operation("Animation::Iterator::get_pose_matrix");
- if(link>animation->armature->get_max_link_index())
- throw out_of_range("Animation::Iterator::get_pose_matrix");
-
- throw logic_error("pose animations are currently unimplemented");
-}
-
-
-Animation::Loader::Loader(Animation &a):
- DataFile::CollectionObjectLoader<Animation>(a, 0)
-{
- init();
-}
-
-Animation::Loader::Loader(Animation &a, Collection &c):
- DataFile::CollectionObjectLoader<Animation>(a, &c)
-{
- init();
-}
-
-void Animation::Loader::init()
-{
- start_slope = 1;
- end_slope = 1;
- add("armature", &Animation::armature);
- add("control_keyframe", &Loader::control_keyframe);
- add("control_keyframe", &Loader::control_keyframe_inline);
- add("event", &Loader::event);
- add("event", &Loader::event1i);
- add("event", &Loader::event1f);
- add("event", &Loader::event2f);
- add("event", &Loader::event3f);
- add("event", &Loader::event4f);
- add("interval", &Loader::interval);
- add("keyframe", &Loader::keyframe);
- add("keyframe", &Loader::keyframe_inline);
- add("looping", &Animation::looping);
- add("slopes", &Loader::slopes);
-}
-
-void Animation::Loader::finish()
-{
- obj.create_curves();
-}
-
-void Animation::Loader::load_kf(const string &n, bool c)
-{
- obj.add_keyframe(current_time, get_collection().get<KeyFrame>(n), c);
-}
-
-void Animation::Loader::load_kf_inline(bool c)
-{
- RefPtr<KeyFrame> kf = new KeyFrame;
- if(coll)
- load_sub(*kf, get_collection());
- else
- load_sub(*kf);
-
- obj.add_keyframe(current_time, kf, c);
-}
-
-void Animation::Loader::control_keyframe(const string &n)
-{
- load_kf(n, true);
-}
-
-void Animation::Loader::control_keyframe_inline()
-{
- load_kf_inline(true);
-}
-
-void Animation::Loader::event(const string &n)
-{
- obj.add_event(current_time, n);
-}
-
-void Animation::Loader::event1i(const string &n, int v)
-{
- obj.add_event(current_time, n, v);
-}
-
-void Animation::Loader::event1f(const string &n, float v)
-{
- obj.add_event(current_time, n, v);
-}
-
-void Animation::Loader::event2f(const string &n, float v0, float v1)
-{
- obj.add_event(current_time, n, LinAl::Vector<float, 2>(v0, v1));
-}
-
-void Animation::Loader::event3f(const string &n, float v0, float v1, float v2)
-{
- obj.add_event(current_time, n, Vector3(v0, v1, v2));
-}
-
-void Animation::Loader::event4f(const string &n, float v0, float v1, float v2, float v3)
-{
- obj.add_event(current_time, n, Vector4(v0, v1, v2, v3));
-}
-
-void Animation::Loader::interval(float t)
-{
- current_time += t*Time::sec;
-}
-
-void Animation::Loader::keyframe(const string &n)
-{
- load_kf(n, false);
-}
-
-void Animation::Loader::keyframe_inline()
-{
- load_kf_inline(false);
-}
-
-void Animation::Loader::slopes(float s, float e)
-{
- start_slope = s;
- end_slope = e;
-}
-
-} // namespace GL
-} // namespace Msp
projects / libs / gl.git / blobdiff