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(6+uniforms.size());
166 create_curve(POSITION, Transform::POSITION, &extract_position);
167 create_curve(EULER, Transform::EULER, &extract_euler);
168 create_curve(SCALE, Transform::SCALE, &extract_scale);
170 uniform_curve_offset = curves.size();
171 for(vector<UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
174 create_curve<1>(UNIFORM, -1, ExtractUniform<1>(i->name));
176 create_curve<2>(UNIFORM, -1, ExtractUniform<2>(i->name));
178 create_curve<3>(UNIFORM, -1, ExtractUniform<3>(i->name));
180 create_curve<4>(UNIFORM, -1, ExtractUniform<4>(i->name));
184 void Animation::create_curve(CurveTarget target, Transform::ComponentMask mask, ExtractComponent::Extract extract)
186 Transform::ComponentMask all = mask;
187 Transform::ComponentMask any = Transform::NONE;
188 for(vector<TimedKeyFrame>::const_iterator i=keyframes.begin(); i!=keyframes.end(); ++i)
190 all = all&i->keyframe->get_transform().get_mask();
191 any = any|i->keyframe->get_transform().get_mask();
195 create_curve<3>(target, -1, extract);
198 unsigned low_bit = mask&(mask>>2);
199 for(unsigned i=3; i-->0; )
201 Transform::ComponentMask bit = static_cast<Transform::ComponentMask>(low_bit<<i);
203 create_curve<1>(target, i, ExtractComponent(extract, i, bit));
208 template<unsigned N, typename T>
209 void Animation::create_curve(CurveTarget target, int component, const T &extract)
211 typedef typename ValueCurve<N>::Knot Knot;
214 unsigned n_control = 0;
215 for(vector<TimedKeyFrame>::const_iterator i=keyframes.begin(); i!=keyframes.end(); ++i)
217 if(i->control && knots.empty())
220 typename Interpolate::SplineValue<float, N>::Type value;
221 if(extract(*i->keyframe, value))
223 float x = i->time/Time::sec;
228 throw logic_error("too many control keyframes");
234 typename Knot::Value cv = knots.back().y;
235 knots.back().y = (knots[knots.size()-2].y+cv*2.0f)/3.0f;
236 knots.push_back(Knot(x, (value+cv*2.0f)/3.0f));
238 else if(n_control==0 && !knots.empty())
240 typename Knot::Value prev = knots.back().y;
241 knots.push_back(Knot(knots.back().x, (prev*2.0f+value)/3.0f));
242 knots.push_back(Knot(x, (prev+value*2.0f)/3.0f));
246 knots.push_back(Knot(x, value));
253 curves.push_back(new ValueCurve<N>(target, component, knots));
256 bool Animation::extract_position(const KeyFrame &kf, Vector3 &value)
258 value = kf.get_transform().get_position();
262 bool Animation::extract_euler(const KeyFrame &kf, Vector3 &value)
264 const Transform::AngleVector3 &euler = kf.get_transform().get_euler();
265 value = Vector3(euler.x.radians(), euler.y.radians(), euler.z.radians());
269 bool Animation::extract_scale(const KeyFrame &kf, Vector3 &value)
271 value = kf.get_transform().get_scale();
275 void Animation::add_event(const Time::TimeDelta &t, const string &n, const Variant &v)
281 events.push_back(event);
284 const Time::TimeDelta &Animation::get_duration() const
286 if(keyframes.empty())
289 return keyframes.back().time;
292 void Animation::set_looping(bool l)
298 Animation::Curve::Curve(CurveTarget t, int c):
305 Animation::ValueCurve<N>::ValueCurve(CurveTarget t, int c, const vector<Knot> &k):
307 spline(Interpolate::BezierSpline<float, 3, N>(k))
311 void Animation::ValueCurve<N>::apply(float, Matrix &) const
313 throw invalid_operation("ValueCurve::apply");
317 void Animation::ValueCurve<1>::apply(float x, Matrix &matrix) const
319 float value = spline(x);
320 if(target==POSITION || target==SCALE)
323 vec[component] = value;
325 matrix.translate(vec);
329 else if(target==EULER)
332 vec[component] = 1.0f;
333 matrix.rotate(Geometry::Angle<float>::from_radians(value), vec);
336 throw invalid_operation("ValueCurve::apply");
340 void Animation::ValueCurve<3>::apply(float x, Matrix &matrix) const
342 Vector3 value = spline(x);
344 matrix.translate(value);
345 else if(target==EULER)
347 matrix.rotate(Geometry::Angle<float>::from_radians(value.z), Vector3(0, 0, 1));
348 matrix.rotate(Geometry::Angle<float>::from_radians(value.y), Vector3(0, 1, 0));
349 matrix.rotate(Geometry::Angle<float>::from_radians(value.x), Vector3(1, 0, 0));
351 else if(target==SCALE)
354 throw invalid_operation("ValueCurve::apply");
358 void Animation::ValueCurve<N>::apply(float x, KeyFrame::AnimatedUniform &uni) const
361 typename Interpolate::Spline<float, 3, N>::Value value = spline(x);
362 for(unsigned i=0; i<N; ++i)
363 uni.values[i] = Interpolate::SplineValue<float, N>::get(value, i);
367 bool Animation::ExtractComponent::operator()(const KeyFrame &kf, float &value) const
370 if(!extract(kf, vec))
374 return kf.get_transform().get_mask()&mask;
379 bool Animation::ExtractUniform<N>::operator()(const KeyFrame &kf, typename Interpolate::SplineValue<float, N>::Type &value) const
381 const KeyFrame::UniformMap &kf_uniforms = kf.get_uniforms();
382 const KeyFrame::UniformMap::const_iterator i = kf_uniforms.find(name);
383 if(i==kf_uniforms.end())
386 value = Interpolate::SplineValue<float, N>::make(i->second.values);
391 Animation::UniformInfo::UniformInfo(const string &n, unsigned s):
397 Animation::Iterator::Iterator(const Animation &a):
399 event_iter(animation->events.begin()),
404 Animation::Iterator &Animation::Iterator::operator+=(const Time::TimeDelta &t)
406 const Time::TimeDelta &duration = animation->get_duration();
411 if(animation->looping)
413 while(elapsed>=duration)
416 else if(elapsed>=duration)
425 void Animation::Iterator::dispatch_events(AnimationEventObserver &observer)
427 for(; (event_iter!=animation->events.end() && event_iter->time<=elapsed); ++event_iter)
428 observer.animation_event(0, event_iter->name, event_iter->value);
431 Matrix Animation::Iterator::get_matrix() const
434 for(unsigned i=0; i<animation->uniform_curve_offset; ++i)
435 animation->curves[i]->apply(elapsed/Time::sec, matrix);
439 KeyFrame::AnimatedUniform Animation::Iterator::get_uniform(unsigned i) const
441 if(i>=animation->uniforms.size())
442 throw out_of_range("Animation::Iterator::get_uniform");
444 KeyFrame::AnimatedUniform uni(animation->uniforms[i].size, 0.0f);
445 animation->curves[animation->uniform_curve_offset+i]->apply(elapsed/Time::sec, uni);
449 Matrix Animation::Iterator::get_pose_matrix(unsigned link) const
451 if(!animation->armature)
452 throw invalid_operation("Animation::Iterator::get_pose_matrix");
453 if(link>animation->armature->get_max_link_index())
454 throw out_of_range("Animation::Iterator::get_pose_matrix");
456 throw logic_error("pose animations are currently unimplemented");
460 Animation::Loader::Loader(Animation &a):
461 DataFile::CollectionObjectLoader<Animation>(a, 0)
466 Animation::Loader::Loader(Animation &a, Collection &c):
467 DataFile::CollectionObjectLoader<Animation>(a, &c)
472 void Animation::Loader::init()
477 add("armature", &Animation::armature);
478 add("control_keyframe", &Loader::control_keyframe);
479 add("control_keyframe", &Loader::control_keyframe_inline);
480 add("event", &Loader::event);
481 add("event", &Loader::event1i);
482 add("event", &Loader::event1f);
483 add("event", &Loader::event2f);
484 add("event", &Loader::event3f);
485 add("event", &Loader::event4f);
486 add("interval", &Loader::interval);
487 add("keyframe", &Loader::keyframe);
488 add("keyframe", &Loader::keyframe_inline);
489 add("looping", &Animation::looping);
490 add("slopes", &Loader::slopes);
493 void Animation::Loader::finish()
498 void Animation::Loader::check_slopes_and_control(bool s, bool c)
501 throw logic_error("can't use both slopes and control keyframes in same segment");
504 void Animation::Loader::add_kf(const KeyFrame *kf, bool c, bool owned)
507 obj.add_keyframe(current_time, kf, start_slope, end_slope, owned);
509 obj.add_keyframe(current_time, kf, c, owned);
511 start_slope = end_slope;
513 slopes_set = (slopes_set<<1)&3;
516 void Animation::Loader::load_kf(const string &n, bool c)
518 add_kf(&get_collection().get<KeyFrame>(n), c, false);
521 void Animation::Loader::load_kf_inline(bool c)
523 RefPtr<KeyFrame> kf = new KeyFrame;
525 load_sub(*kf, get_collection());
529 add_kf(kf.get(), c, true);
533 void Animation::Loader::control_keyframe(const string &n)
536 check_slopes_and_control(slopes_set, true);
540 void Animation::Loader::control_keyframe_inline()
543 check_slopes_and_control(slopes_set, true);
544 load_kf_inline(true);
547 void Animation::Loader::event(const string &n)
549 obj.add_event(current_time, n);
552 void Animation::Loader::event1i(const string &n, int v)
554 obj.add_event(current_time, n, v);
557 void Animation::Loader::event1f(const string &n, float v)
559 obj.add_event(current_time, n, v);
562 void Animation::Loader::event2f(const string &n, float v0, float v1)
564 obj.add_event(current_time, n, LinAl::Vector<float, 2>(v0, v1));
567 void Animation::Loader::event3f(const string &n, float v0, float v1, float v2)
569 obj.add_event(current_time, n, Vector3(v0, v1, v2));
572 void Animation::Loader::event4f(const string &n, float v0, float v1, float v2, float v3)
574 obj.add_event(current_time, n, Vector4(v0, v1, v2, v3));
577 void Animation::Loader::interval(float t)
579 current_time += t*Time::sec;
582 void Animation::Loader::keyframe(const string &n)
587 void Animation::Loader::keyframe_inline()
589 load_kf_inline(false);
592 void Animation::Loader::slopes(float s, float e)
594 check_slopes_and_control(true, (!obj.keyframes.empty() && obj.keyframes.back().control));