2 #include <msp/core/maputils.h>
3 #include <msp/datafile/collection.h>
4 #include <msp/interpolate/bezierspline.h>
6 #include "animationeventobserver.h"
16 Animation::Animation():
21 // Avoid synthesizing ~RefPtr in files including animation.h
22 Animation::~Animation()
25 void Animation::set_armature(const Armature &a)
27 if(!keyframes.empty() && &a!=armature)
28 throw invalid_operation("Animation::set_armature");
32 unsigned Animation::get_slot_for_uniform(const string &n) const
34 for(unsigned i=0; i<uniforms.size(); ++i)
35 if(uniforms[i].name==n)
40 const string &Animation::get_uniform_name(unsigned i) const
42 if(i>=uniforms.size())
43 throw out_of_range("Animation::get_uniform_name");
44 return uniforms[i].name;
47 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf)
49 add_keyframe(t, &kf, false, false);
53 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf, float slope)
55 add_keyframe(t, kf, slope, slope);
58 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf, float, float)
63 void Animation::add_control_keyframe(const KeyFrame &kf)
66 throw invalid_operation("Animation::add_control_keyframe");
68 add_keyframe(keyframes.back().time, &kf, true, false);
71 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame *kf, bool c, bool owned)
73 if(c && keyframes.empty())
74 throw invalid_argument("Animation::add_keyframe");
75 if(keyframes.empty() && t!=Time::zero)
76 throw invalid_argument("Animation::add_keyframe");
77 if(!keyframes.empty() && t<keyframes.back().time)
78 throw invalid_argument("Animation::add_keyframe");
79 if(kf->get_pose() && armature && kf->get_pose()->get_armature()!=armature)
80 throw invalid_argument("Animation::add_keyframe");
82 const KeyFrame::UniformMap &kf_uniforms = kf->get_uniforms();
83 for(vector<UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
85 KeyFrame::UniformMap::const_iterator j = kf_uniforms.find(i->name);
86 if(j!=kf_uniforms.end() && j->second.size!=i->size)
87 throw invalid_argument("Animation::add_keyframe");
90 if(kf->get_pose() && !armature)
91 armature = kf->get_pose()->get_armature();
100 keyframes.push_back(tkf);
102 for(KeyFrame::UniformMap::const_iterator i=kf_uniforms.begin(); i!=kf_uniforms.end(); ++i)
105 for(vector<UniformInfo>::const_iterator j=uniforms.begin(); (!found && j!=uniforms.end()); ++j)
106 found = (j->name==i->first);
109 uniforms.push_back(UniformInfo(i->first, i->second.size));
113 void Animation::create_curves()
115 for(vector<Curve *>::iterator i=curves.begin(); i!=curves.end(); ++i)
119 curves.reserve(3+uniforms.size());
120 create_curve<3>(POSITION, &extract_position);
121 create_curve<3>(EULER, &extract_euler);
122 create_curve<3>(SCALE, &extract_scale);
124 for(vector<UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
127 create_curve<1>(UNIFORM, ExtractUniform<1>(i->name));
129 create_curve<2>(UNIFORM, ExtractUniform<2>(i->name));
131 create_curve<3>(UNIFORM, ExtractUniform<3>(i->name));
133 create_curve<4>(UNIFORM, ExtractUniform<4>(i->name));
137 template<unsigned N, typename T>
138 void Animation::create_curve(CurveTarget target, const T &extract)
140 typedef typename ValueCurve<N>::Knot Knot;
143 unsigned n_control = 0;
144 for(vector<TimedKeyFrame>::const_iterator i=keyframes.begin(); i!=keyframes.end(); ++i)
146 if(i->control && knots.empty())
149 typename Interpolate::SplineValue<float, N>::Type value;
150 if(extract(*i->keyframe, value))
152 float x = i->time/Time::sec;
157 throw logic_error("too many control keyframes");
163 typename Knot::Value cv = knots.back().y;
164 knots.back().y = (knots[knots.size()-2].y+cv*2.0f)/3.0f;
165 knots.push_back(Knot(x, (value+cv*2.0f)/3.0f));
167 else if(n_control==0 && !knots.empty())
169 typename Knot::Value prev = knots.back().y;
170 knots.push_back(Knot(knots.back().x, (prev*2.0f+value)/3.0f));
171 knots.push_back(Knot(x, (prev+value*2.0f)/3.0f));
175 knots.push_back(Knot(x, value));
182 curves.push_back(new ValueCurve<N>(target, knots));
185 bool Animation::extract_position(const KeyFrame &kf, Vector3 &value)
187 value = kf.get_transform().get_position();
191 bool Animation::extract_euler(const KeyFrame &kf, Vector3 &value)
193 const Transform::AngleVector3 &euler = kf.get_transform().get_euler();
194 value = Vector3(euler.x.radians(), euler.y.radians(), euler.z.radians());
198 bool Animation::extract_scale(const KeyFrame &kf, Vector3 &value)
200 value = kf.get_transform().get_scale();
204 void Animation::add_event(const Time::TimeDelta &t, const string &n, const Variant &v)
210 events.push_back(event);
213 const Time::TimeDelta &Animation::get_duration() const
215 if(keyframes.empty())
218 return keyframes.back().time;
221 void Animation::set_looping(bool l)
227 Animation::Curve::Curve(CurveTarget t):
233 Animation::ValueCurve<N>::ValueCurve(CurveTarget t, const vector<Knot> &k):
235 spline(Interpolate::BezierSpline<float, 3, N>(k))
239 void Animation::ValueCurve<N>::apply(float, Matrix &) const
241 throw invalid_operation("ValueCurve::apply");
245 void Animation::ValueCurve<3>::apply(float x, Matrix &matrix) const
247 Vector3 value = spline(x);
249 matrix.translate(value);
250 else if(target==EULER)
252 matrix.rotate(value.z, Vector3(0, 0, 1));
253 matrix.rotate(value.y, Vector3(0, 1, 0));
254 matrix.rotate(value.x, Vector3(1, 0, 0));
256 else if(target==SCALE)
259 throw invalid_operation("ValueCurve::apply");
263 void Animation::ValueCurve<N>::apply(float x, KeyFrame::AnimatedUniform &uni) const
266 typename Interpolate::Spline<float, 3, N>::Value value = spline(x);
267 for(unsigned i=0; i<N; ++i)
268 uni.values[i] = Interpolate::SplineValue<float, N>::get(value, i);
273 bool Animation::ExtractUniform<N>::operator()(const KeyFrame &kf, typename Interpolate::SplineValue<float, N>::Type &value) const
275 const KeyFrame::UniformMap &kf_uniforms = kf.get_uniforms();
276 const KeyFrame::UniformMap::const_iterator i = kf_uniforms.find(name);
277 if(i==kf_uniforms.end())
280 value = Interpolate::SplineValue<float, N>::make(i->second.values);
285 Animation::UniformInfo::UniformInfo(const string &n, unsigned s):
291 Animation::Iterator::Iterator(const Animation &a):
293 event_iter(animation->events.begin()),
298 Animation::Iterator &Animation::Iterator::operator+=(const Time::TimeDelta &t)
300 const Time::TimeDelta &duration = animation->get_duration();
305 if(animation->looping)
307 while(elapsed>=duration)
310 else if(elapsed>=duration)
319 void Animation::Iterator::dispatch_events(AnimationEventObserver &observer)
321 for(; (event_iter!=animation->events.end() && event_iter->time<=elapsed); ++event_iter)
322 observer.animation_event(0, event_iter->name, event_iter->value);
325 Matrix Animation::Iterator::get_matrix() const
328 for(unsigned i=0; i<3; ++i)
329 animation->curves[i]->apply(elapsed/Time::sec, matrix);
333 KeyFrame::AnimatedUniform Animation::Iterator::get_uniform(unsigned i) const
335 if(i>=animation->uniforms.size())
336 throw out_of_range("Animation::Iterator::get_uniform");
338 KeyFrame::AnimatedUniform uni(animation->uniforms[i].size, 0.0f);
339 animation->curves[3+i]->apply(elapsed/Time::sec, uni);
343 Matrix Animation::Iterator::get_pose_matrix(unsigned link) const
345 if(!animation->armature)
346 throw invalid_operation("Animation::Iterator::get_pose_matrix");
347 if(link>animation->armature->get_max_link_index())
348 throw out_of_range("Animation::Iterator::get_pose_matrix");
350 throw logic_error("pose animations are currently unimplemented");
354 Animation::Loader::Loader(Animation &a):
355 DataFile::CollectionObjectLoader<Animation>(a, 0)
360 Animation::Loader::Loader(Animation &a, Collection &c):
361 DataFile::CollectionObjectLoader<Animation>(a, &c)
366 void Animation::Loader::init()
370 add("armature", &Animation::armature);
371 add("control_keyframe", &Loader::control_keyframe);
372 add("control_keyframe", &Loader::control_keyframe_inline);
373 add("event", &Loader::event);
374 add("event", &Loader::event1i);
375 add("event", &Loader::event1f);
376 add("event", &Loader::event2f);
377 add("event", &Loader::event3f);
378 add("event", &Loader::event4f);
379 add("interval", &Loader::interval);
380 add("keyframe", &Loader::keyframe);
381 add("keyframe", &Loader::keyframe_inline);
382 add("looping", &Animation::looping);
383 add("slopes", &Loader::slopes);
386 void Animation::Loader::finish()
391 void Animation::Loader::load_kf(const string &n, bool c)
393 obj.add_keyframe(current_time, &get_collection().get<KeyFrame>(n), c, false);
396 void Animation::Loader::load_kf_inline(bool c)
398 RefPtr<KeyFrame> kf = new KeyFrame;
400 load_sub(*kf, get_collection());
404 obj.add_keyframe(current_time, *kf, c, true);
408 void Animation::Loader::control_keyframe(const string &n)
413 void Animation::Loader::control_keyframe_inline()
415 load_kf_inline(true);
418 void Animation::Loader::event(const string &n)
420 obj.add_event(current_time, n);
423 void Animation::Loader::event1i(const string &n, int v)
425 obj.add_event(current_time, n, v);
428 void Animation::Loader::event1f(const string &n, float v)
430 obj.add_event(current_time, n, v);
433 void Animation::Loader::event2f(const string &n, float v0, float v1)
435 obj.add_event(current_time, n, LinAl::Vector<float, 2>(v0, v1));
438 void Animation::Loader::event3f(const string &n, float v0, float v1, float v2)
440 obj.add_event(current_time, n, Vector3(v0, v1, v2));
443 void Animation::Loader::event4f(const string &n, float v0, float v1, float v2, float v3)
445 obj.add_event(current_time, n, Vector4(v0, v1, v2, v3));
448 void Animation::Loader::interval(float t)
450 current_time += t*Time::sec;
453 void Animation::Loader::keyframe(const string &n)
458 void Animation::Loader::keyframe_inline()
460 load_kf_inline(false);
463 void Animation::Loader::slopes(float s, float e)