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, false);
59 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf, float ss, float es)
61 add_keyframe(t, &kf, ss, es, false);
65 void Animation::add_control_keyframe(const KeyFrame &kf)
68 throw invalid_operation("Animation::add_control_keyframe");
70 add_keyframe(keyframes.back().time, &kf, true, false);
73 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame *kf, float ss, float es, bool owned)
76 return add_keyframe(t, kf, false, owned);
78 if(keyframes.back().control)
79 throw invalid_operation("Animation::add_keyframe");
81 const KeyFrame &last = *keyframes.back().keyframe;
82 const Transform &trn = kf->get_transform();
83 const Transform &last_trn = last.get_transform();
84 const KeyFrame::UniformMap &kf_unis = kf->get_uniforms();
85 const KeyFrame::UniformMap &last_unis = last.get_uniforms();
86 for(unsigned i=1; i<=2; ++i)
88 float x = (i==1 ? ss/3 : 1-es/3);
89 KeyFrame *ckf = new KeyFrame;
91 ctrn.set_position(last_trn.get_position()*(1-x)+trn.get_position()*x);
92 const Transform::AngleVector3 &e1 = last_trn.get_euler();
93 const Transform::AngleVector3 &e2 = trn.get_euler();
94 ctrn.set_euler(Transform::AngleVector3(e1.x*(1-x)+e2.x*x, e1.y*(1-x)+e2.y*x, e1.z*(1-x)+e2.z*x));
95 ctrn.set_scale(last_trn.get_scale()*(1-x)+trn.get_scale()*x);
96 ckf->set_transform(ctrn);
98 for(KeyFrame::UniformMap::const_iterator j=kf_unis.begin(); j!=kf_unis.end(); ++j)
100 KeyFrame::UniformMap::const_iterator k = last_unis.find(j->first);
101 if(k==last_unis.end())
104 KeyFrame::AnimatedUniform uni(j->second.size, 0.0f);
105 for(unsigned c=0; c<uni.size; ++c)
106 uni.values[c] = k->second.values[c]*(1-x)+j->second.values[c]*x;
108 ckf->set_uniform(j->first, uni);
111 add_keyframe(t, ckf, true, true);
114 add_keyframe(t, kf, false, owned);
117 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame *kf, bool c, bool owned)
119 if(c && keyframes.empty())
120 throw invalid_argument("Animation::add_keyframe");
121 if(keyframes.empty() && t!=Time::zero)
122 throw invalid_argument("Animation::add_keyframe");
123 if(!keyframes.empty() && t<keyframes.back().time)
124 throw invalid_argument("Animation::add_keyframe");
125 if(kf->get_pose() && armature && kf->get_pose()->get_armature()!=armature)
126 throw invalid_argument("Animation::add_keyframe");
128 const KeyFrame::UniformMap &kf_uniforms = kf->get_uniforms();
129 for(vector<UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
131 KeyFrame::UniformMap::const_iterator j = kf_uniforms.find(i->name);
132 if(j!=kf_uniforms.end() && j->second.size!=i->size)
133 throw invalid_argument("Animation::add_keyframe");
136 if(kf->get_pose() && !armature)
137 armature = kf->get_pose()->get_armature();
146 keyframes.push_back(tkf);
148 for(KeyFrame::UniformMap::const_iterator i=kf_uniforms.begin(); i!=kf_uniforms.end(); ++i)
151 for(vector<UniformInfo>::const_iterator j=uniforms.begin(); (!found && j!=uniforms.end()); ++j)
152 found = (j->name==i->first);
155 uniforms.push_back(UniformInfo(i->first, i->second.size));
159 void Animation::create_curves()
161 for(vector<Curve *>::iterator i=curves.begin(); i!=curves.end(); ++i)
165 curves.reserve(3+uniforms.size());
166 create_curve<3>(POSITION, &extract_position);
167 create_curve<3>(EULER, &extract_euler);
168 create_curve<3>(SCALE, &extract_scale);
170 for(vector<UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
173 create_curve<1>(UNIFORM, ExtractUniform<1>(i->name));
175 create_curve<2>(UNIFORM, ExtractUniform<2>(i->name));
177 create_curve<3>(UNIFORM, ExtractUniform<3>(i->name));
179 create_curve<4>(UNIFORM, ExtractUniform<4>(i->name));
183 template<unsigned N, typename T>
184 void Animation::create_curve(CurveTarget target, const T &extract)
186 typedef typename ValueCurve<N>::Knot Knot;
189 unsigned n_control = 0;
190 for(vector<TimedKeyFrame>::const_iterator i=keyframes.begin(); i!=keyframes.end(); ++i)
192 if(i->control && knots.empty())
195 typename Interpolate::SplineValue<float, N>::Type value;
196 if(extract(*i->keyframe, value))
198 float x = i->time/Time::sec;
203 throw logic_error("too many control keyframes");
209 typename Knot::Value cv = knots.back().y;
210 knots.back().y = (knots[knots.size()-2].y+cv*2.0f)/3.0f;
211 knots.push_back(Knot(x, (value+cv*2.0f)/3.0f));
213 else if(n_control==0 && !knots.empty())
215 typename Knot::Value prev = knots.back().y;
216 knots.push_back(Knot(knots.back().x, (prev*2.0f+value)/3.0f));
217 knots.push_back(Knot(x, (prev+value*2.0f)/3.0f));
221 knots.push_back(Knot(x, value));
228 curves.push_back(new ValueCurve<N>(target, knots));
231 bool Animation::extract_position(const KeyFrame &kf, Vector3 &value)
233 value = kf.get_transform().get_position();
237 bool Animation::extract_euler(const KeyFrame &kf, Vector3 &value)
239 const Transform::AngleVector3 &euler = kf.get_transform().get_euler();
240 value = Vector3(euler.x.radians(), euler.y.radians(), euler.z.radians());
244 bool Animation::extract_scale(const KeyFrame &kf, Vector3 &value)
246 value = kf.get_transform().get_scale();
250 void Animation::add_event(const Time::TimeDelta &t, const string &n, const Variant &v)
256 events.push_back(event);
259 const Time::TimeDelta &Animation::get_duration() const
261 if(keyframes.empty())
264 return keyframes.back().time;
267 void Animation::set_looping(bool l)
273 Animation::Curve::Curve(CurveTarget t):
279 Animation::ValueCurve<N>::ValueCurve(CurveTarget t, const vector<Knot> &k):
281 spline(Interpolate::BezierSpline<float, 3, N>(k))
285 void Animation::ValueCurve<N>::apply(float, Matrix &) const
287 throw invalid_operation("ValueCurve::apply");
291 void Animation::ValueCurve<3>::apply(float x, Matrix &matrix) const
293 Vector3 value = spline(x);
295 matrix.translate(value);
296 else if(target==EULER)
298 matrix.rotate(value.z, Vector3(0, 0, 1));
299 matrix.rotate(value.y, Vector3(0, 1, 0));
300 matrix.rotate(value.x, Vector3(1, 0, 0));
302 else if(target==SCALE)
305 throw invalid_operation("ValueCurve::apply");
309 void Animation::ValueCurve<N>::apply(float x, KeyFrame::AnimatedUniform &uni) const
312 typename Interpolate::Spline<float, 3, N>::Value value = spline(x);
313 for(unsigned i=0; i<N; ++i)
314 uni.values[i] = Interpolate::SplineValue<float, N>::get(value, i);
319 bool Animation::ExtractUniform<N>::operator()(const KeyFrame &kf, typename Interpolate::SplineValue<float, N>::Type &value) const
321 const KeyFrame::UniformMap &kf_uniforms = kf.get_uniforms();
322 const KeyFrame::UniformMap::const_iterator i = kf_uniforms.find(name);
323 if(i==kf_uniforms.end())
326 value = Interpolate::SplineValue<float, N>::make(i->second.values);
331 Animation::UniformInfo::UniformInfo(const string &n, unsigned s):
337 Animation::Iterator::Iterator(const Animation &a):
339 event_iter(animation->events.begin()),
344 Animation::Iterator &Animation::Iterator::operator+=(const Time::TimeDelta &t)
346 const Time::TimeDelta &duration = animation->get_duration();
351 if(animation->looping)
353 while(elapsed>=duration)
356 else if(elapsed>=duration)
365 void Animation::Iterator::dispatch_events(AnimationEventObserver &observer)
367 for(; (event_iter!=animation->events.end() && event_iter->time<=elapsed); ++event_iter)
368 observer.animation_event(0, event_iter->name, event_iter->value);
371 Matrix Animation::Iterator::get_matrix() const
374 for(unsigned i=0; i<3; ++i)
375 animation->curves[i]->apply(elapsed/Time::sec, matrix);
379 KeyFrame::AnimatedUniform Animation::Iterator::get_uniform(unsigned i) const
381 if(i>=animation->uniforms.size())
382 throw out_of_range("Animation::Iterator::get_uniform");
384 KeyFrame::AnimatedUniform uni(animation->uniforms[i].size, 0.0f);
385 animation->curves[3+i]->apply(elapsed/Time::sec, uni);
389 Matrix Animation::Iterator::get_pose_matrix(unsigned link) const
391 if(!animation->armature)
392 throw invalid_operation("Animation::Iterator::get_pose_matrix");
393 if(link>animation->armature->get_max_link_index())
394 throw out_of_range("Animation::Iterator::get_pose_matrix");
396 throw logic_error("pose animations are currently unimplemented");
400 Animation::Loader::Loader(Animation &a):
401 DataFile::CollectionObjectLoader<Animation>(a, 0)
406 Animation::Loader::Loader(Animation &a, Collection &c):
407 DataFile::CollectionObjectLoader<Animation>(a, &c)
412 void Animation::Loader::init()
417 add("armature", &Animation::armature);
418 add("control_keyframe", &Loader::control_keyframe);
419 add("control_keyframe", &Loader::control_keyframe_inline);
420 add("event", &Loader::event);
421 add("event", &Loader::event1i);
422 add("event", &Loader::event1f);
423 add("event", &Loader::event2f);
424 add("event", &Loader::event3f);
425 add("event", &Loader::event4f);
426 add("interval", &Loader::interval);
427 add("keyframe", &Loader::keyframe);
428 add("keyframe", &Loader::keyframe_inline);
429 add("looping", &Animation::looping);
430 add("slopes", &Loader::slopes);
433 void Animation::Loader::finish()
438 void Animation::Loader::check_slopes_and_control(bool s, bool c)
441 throw logic_error("can't use both slopes and control keyframes in same segment");
444 void Animation::Loader::add_kf(const KeyFrame *kf, bool c, bool owned)
447 obj.add_keyframe(current_time, kf, start_slope, end_slope, owned);
449 obj.add_keyframe(current_time, kf, c, owned);
451 start_slope = end_slope;
453 slopes_set = (slopes_set<<1)&3;
456 void Animation::Loader::load_kf(const string &n, bool c)
458 add_kf(&get_collection().get<KeyFrame>(n), c, false);
461 void Animation::Loader::load_kf_inline(bool c)
463 RefPtr<KeyFrame> kf = new KeyFrame;
465 load_sub(*kf, get_collection());
469 add_kf(kf.get(), c, true);
473 void Animation::Loader::control_keyframe(const string &n)
476 check_slopes_and_control(slopes_set, true);
480 void Animation::Loader::control_keyframe_inline()
483 check_slopes_and_control(slopes_set, true);
484 load_kf_inline(true);
487 void Animation::Loader::event(const string &n)
489 obj.add_event(current_time, n);
492 void Animation::Loader::event1i(const string &n, int v)
494 obj.add_event(current_time, n, v);
497 void Animation::Loader::event1f(const string &n, float v)
499 obj.add_event(current_time, n, v);
502 void Animation::Loader::event2f(const string &n, float v0, float v1)
504 obj.add_event(current_time, n, LinAl::Vector<float, 2>(v0, v1));
507 void Animation::Loader::event3f(const string &n, float v0, float v1, float v2)
509 obj.add_event(current_time, n, Vector3(v0, v1, v2));
512 void Animation::Loader::event4f(const string &n, float v0, float v1, float v2, float v3)
514 obj.add_event(current_time, n, Vector4(v0, v1, v2, v3));
517 void Animation::Loader::interval(float t)
519 current_time += t*Time::sec;
522 void Animation::Loader::keyframe(const string &n)
527 void Animation::Loader::keyframe_inline()
529 load_kf_inline(false);
532 void Animation::Loader::slopes(float s, float e)
534 check_slopes_and_control(true, (!obj.keyframes.empty() && obj.keyframes.back().control));