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 Animation::~Animation()
23 for(vector<Curve *>::iterator i=curves.begin(); i!=curves.end(); ++i)
27 void Animation::set_armature(const Armature &a)
29 if(!keyframes.empty() && &a!=armature)
30 throw invalid_operation("Animation::set_armature");
34 unsigned Animation::get_slot_for_uniform(const string &n) const
36 for(unsigned i=0; i<uniforms.size(); ++i)
37 if(uniforms[i].name==n)
42 const string &Animation::get_uniform_name(unsigned i) const
44 if(i>=uniforms.size())
45 throw out_of_range("Animation::get_uniform_name");
46 return uniforms[i].name;
49 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf)
51 add_keyframe(t, &kf, false, false);
55 void Animation::add_keyframe_owned(const Time::TimeDelta &t, const KeyFrame *kf)
57 add_keyframe(t, kf, false, true);
61 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf, float slope)
63 add_keyframe(t, &kf, slope, slope, false);
67 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf, float ss, float es)
69 add_keyframe(t, &kf, ss, es, false);
73 void Animation::add_control_keyframe(const KeyFrame &kf)
76 throw invalid_operation("Animation::add_control_keyframe");
78 add_keyframe(keyframes.back().time, &kf, true, false);
81 void Animation::add_control_keyframe_owned(const KeyFrame *kf)
84 throw invalid_operation("Animation::add_control_keyframe_owned");
86 add_keyframe(keyframes.back().time, kf, true, true);
89 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame *kf, float ss, float es, bool owned)
92 return add_keyframe(t, kf, false, owned);
94 if(keyframes.back().control)
95 throw invalid_operation("Animation::add_keyframe");
97 const KeyFrame &last = *keyframes.back().keyframe;
98 const Transform &trn = kf->get_transform();
99 const Transform &last_trn = last.get_transform();
100 const KeyFrame::UniformMap &kf_unis = kf->get_uniforms();
101 const KeyFrame::UniformMap &last_unis = last.get_uniforms();
102 for(unsigned i=1; i<=2; ++i)
104 float x = (i==1 ? ss/3 : 1-es/3);
105 KeyFrame *ckf = new KeyFrame;
107 ctrn.set_position(last_trn.get_position()*(1-x)+trn.get_position()*x);
108 const Transform::AngleVector3 &e1 = last_trn.get_euler();
109 const Transform::AngleVector3 &e2 = trn.get_euler();
110 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));
111 ctrn.set_scale(last_trn.get_scale()*(1-x)+trn.get_scale()*x);
112 ckf->set_transform(ctrn);
114 for(KeyFrame::UniformMap::const_iterator j=kf_unis.begin(); j!=kf_unis.end(); ++j)
116 KeyFrame::UniformMap::const_iterator k = last_unis.find(j->first);
117 if(k==last_unis.end())
120 KeyFrame::AnimatedUniform uni(j->second.size, 0.0f);
121 for(unsigned c=0; c<uni.size; ++c)
122 uni.values[c] = k->second.values[c]*(1-x)+j->second.values[c]*x;
124 ckf->set_uniform(j->first, uni);
127 add_keyframe(t, ckf, true, true);
130 add_keyframe(t, kf, false, owned);
133 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame *kf, bool c, bool owned)
135 if(c && keyframes.empty())
136 throw invalid_argument("Animation::add_keyframe");
137 if(keyframes.empty() && t!=Time::zero)
138 throw invalid_argument("Animation::add_keyframe");
139 if(!keyframes.empty() && t<keyframes.back().time)
140 throw invalid_argument("Animation::add_keyframe");
141 if(kf->get_pose() && armature && kf->get_pose()->get_armature()!=armature)
142 throw invalid_argument("Animation::add_keyframe");
144 const KeyFrame::UniformMap &kf_uniforms = kf->get_uniforms();
145 for(vector<UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
147 KeyFrame::UniformMap::const_iterator j = kf_uniforms.find(i->name);
148 if(j!=kf_uniforms.end() && j->second.size!=i->size)
149 throw invalid_argument("Animation::add_keyframe");
152 if(kf->get_pose() && !armature)
153 armature = kf->get_pose()->get_armature();
162 keyframes.push_back(tkf);
164 for(KeyFrame::UniformMap::const_iterator i=kf_uniforms.begin(); i!=kf_uniforms.end(); ++i)
167 for(vector<UniformInfo>::const_iterator j=uniforms.begin(); (!found && j!=uniforms.end()); ++j)
168 found = (j->name==i->first);
171 uniforms.push_back(UniformInfo(i->first, i->second.size));
175 void Animation::create_curves()
177 for(vector<Curve *>::iterator i=curves.begin(); i!=curves.end(); ++i)
181 curves.reserve(6+uniforms.size());
182 create_curve(POSITION, Transform::POSITION, &extract_position);
183 create_curve(EULER, Transform::EULER, &extract_euler);
184 create_curve(SCALE, Transform::SCALE, &extract_scale);
186 uniform_curve_offset = curves.size();
187 for(vector<UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
190 create_curve<1>(UNIFORM, -1, ExtractUniform<1>(i->name));
192 create_curve<2>(UNIFORM, -1, ExtractUniform<2>(i->name));
194 create_curve<3>(UNIFORM, -1, ExtractUniform<3>(i->name));
196 create_curve<4>(UNIFORM, -1, ExtractUniform<4>(i->name));
200 void Animation::create_curve(CurveTarget target, Transform::ComponentMask mask, ExtractComponent::Extract extract)
202 Transform::ComponentMask all = mask;
203 Transform::ComponentMask any = Transform::NONE;
204 for(vector<TimedKeyFrame>::const_iterator i=keyframes.begin(); i!=keyframes.end(); ++i)
206 all = all&i->keyframe->get_transform().get_mask();
207 any = any|i->keyframe->get_transform().get_mask();
211 create_curve<3>(target, -1, extract);
214 unsigned low_bit = mask&(mask>>2);
215 for(unsigned i=3; i-->0; )
217 Transform::ComponentMask bit = static_cast<Transform::ComponentMask>(low_bit<<i);
219 create_curve<1>(target, i, ExtractComponent(extract, i, bit));
224 template<unsigned N, typename T>
225 void Animation::create_curve(CurveTarget target, int component, const T &extract)
227 typedef typename ValueCurve<N>::Knot Knot;
230 unsigned n_control = 0;
231 for(vector<TimedKeyFrame>::const_iterator i=keyframes.begin(); i!=keyframes.end(); ++i)
233 if(i->control && knots.empty())
236 typename Interpolate::SplineValue<float, N>::Type value;
237 if(extract(*i->keyframe, value))
239 typename Knot::Value dvalue = value;
240 float x = i->time/Time::sec;
245 throw logic_error("too many control keyframes");
251 typename Knot::Value cv = knots.back().y;
252 knots.back().y = (knots[knots.size()-2].y+cv*2.0)/3.0;
253 knots.push_back(Knot(x, (dvalue+cv*2.0)/3.0));
255 else if(n_control==0 && !knots.empty())
257 typename Knot::Value prev = knots.back().y;
258 knots.push_back(Knot(knots.back().x, (prev*2.0+dvalue)/3.0));
259 knots.push_back(Knot(x, (prev+dvalue*2.0)/3.0));
263 knots.push_back(Knot(x, value));
270 curves.push_back(new ValueCurve<N>(target, component, knots));
273 bool Animation::extract_position(const KeyFrame &kf, Vector3 &value)
275 value = kf.get_transform().get_position();
279 bool Animation::extract_euler(const KeyFrame &kf, Vector3 &value)
281 const Transform::AngleVector3 &euler = kf.get_transform().get_euler();
282 value = Vector3(euler.x.radians(), euler.y.radians(), euler.z.radians());
286 bool Animation::extract_scale(const KeyFrame &kf, Vector3 &value)
288 value = kf.get_transform().get_scale();
292 void Animation::add_event(const Time::TimeDelta &t, const string &n, const Variant &v)
298 events.push_back(event);
301 const Time::TimeDelta &Animation::get_duration() const
303 if(keyframes.empty())
306 return keyframes.back().time;
309 void Animation::set_looping(bool l)
315 Animation::Curve::Curve(CurveTarget t, int c):
322 Animation::ValueCurve<N>::ValueCurve(CurveTarget t, int c, const vector<Knot> &k):
324 spline(Interpolate::BezierSpline<double, 3, N>(k))
328 void Animation::ValueCurve<N>::apply(float, Matrix &) const
330 throw invalid_operation("ValueCurve::apply");
334 void Animation::ValueCurve<1>::apply(float x, Matrix &matrix) const
336 float value = spline(x);
337 if(target==POSITION || target==SCALE)
340 vec[component] = value;
342 matrix.translate(vec);
346 else if(target==EULER)
349 vec[component] = 1.0f;
350 matrix.rotate(Geometry::Angle<float>::from_radians(value), vec);
353 throw invalid_operation("ValueCurve::apply");
357 void Animation::ValueCurve<3>::apply(float x, Matrix &matrix) const
359 Vector3 value = spline(x);
361 matrix.translate(value);
362 else if(target==EULER)
364 matrix.rotate(Geometry::Angle<float>::from_radians(value.z), Vector3(0, 0, 1));
365 matrix.rotate(Geometry::Angle<float>::from_radians(value.y), Vector3(0, 1, 0));
366 matrix.rotate(Geometry::Angle<float>::from_radians(value.x), Vector3(1, 0, 0));
368 else if(target==SCALE)
371 throw invalid_operation("ValueCurve::apply");
375 void Animation::ValueCurve<N>::apply(float x, KeyFrame::AnimatedUniform &uni) const
378 typename Interpolate::Spline<double, 3, N>::Value value = spline(x);
379 for(unsigned i=0; i<N; ++i)
380 uni.values[i] = Interpolate::SplineValue<float, N>::get(value, i);
384 bool Animation::ExtractComponent::operator()(const KeyFrame &kf, float &value) const
387 if(!extract(kf, vec))
391 return kf.get_transform().get_mask()&mask;
396 bool Animation::ExtractUniform<N>::operator()(const KeyFrame &kf, typename Interpolate::SplineValue<float, N>::Type &value) const
398 const KeyFrame::UniformMap &kf_uniforms = kf.get_uniforms();
399 const KeyFrame::UniformMap::const_iterator i = kf_uniforms.find(name);
400 if(i==kf_uniforms.end())
403 value = Interpolate::SplineValue<float, N>::make(i->second.values);
408 Animation::UniformInfo::UniformInfo(const string &n, unsigned s):
414 Animation::Iterator::Iterator(const Animation &a):
416 event_iter(animation->events.begin()),
421 Animation::Iterator &Animation::Iterator::operator+=(const Time::TimeDelta &t)
423 const Time::TimeDelta &duration = animation->get_duration();
428 if(animation->looping)
430 while(elapsed>=duration)
433 else if(elapsed>=duration)
442 void Animation::Iterator::dispatch_events(AnimationEventObserver &observer)
444 for(; (event_iter!=animation->events.end() && event_iter->time<=elapsed); ++event_iter)
445 observer.animation_event(0, event_iter->name, event_iter->value);
448 Matrix Animation::Iterator::get_matrix() const
451 for(unsigned i=0; i<animation->uniform_curve_offset; ++i)
452 animation->curves[i]->apply(elapsed/Time::sec, matrix);
456 KeyFrame::AnimatedUniform Animation::Iterator::get_uniform(unsigned i) const
458 if(i>=animation->uniforms.size())
459 throw out_of_range("Animation::Iterator::get_uniform");
461 KeyFrame::AnimatedUniform uni(animation->uniforms[i].size, 0.0f);
462 animation->curves[animation->uniform_curve_offset+i]->apply(elapsed/Time::sec, uni);
466 Matrix Animation::Iterator::get_pose_matrix(unsigned link) const
468 if(!animation->armature)
469 throw invalid_operation("Animation::Iterator::get_pose_matrix");
470 if(link>animation->armature->get_max_link_index())
471 throw out_of_range("Animation::Iterator::get_pose_matrix");
473 throw logic_error("pose animations are currently unimplemented");
477 Animation::Loader::Loader(Animation &a):
478 DataFile::CollectionObjectLoader<Animation>(a, 0)
483 Animation::Loader::Loader(Animation &a, Collection &c):
484 DataFile::CollectionObjectLoader<Animation>(a, &c)
489 void Animation::Loader::init()
494 add("armature", &Animation::armature);
495 add("control_keyframe", &Loader::control_keyframe);
496 add("control_keyframe", &Loader::control_keyframe_inline);
497 add("event", &Loader::event);
498 add("event", &Loader::event1i);
499 add("event", &Loader::event1f);
500 add("event", &Loader::event2f);
501 add("event", &Loader::event3f);
502 add("event", &Loader::event4f);
503 add("interval", &Loader::interval);
504 add("keyframe", &Loader::keyframe);
505 add("keyframe", &Loader::keyframe_inline);
506 add("looping", &Animation::looping);
507 add("slopes", &Loader::slopes);
510 void Animation::Loader::finish()
515 void Animation::Loader::check_slopes_and_control(bool s, bool c)
518 throw logic_error("can't use both slopes and control keyframes in same segment");
521 void Animation::Loader::add_kf(const KeyFrame *kf, bool c, bool owned)
524 obj.add_keyframe(current_time, kf, start_slope, end_slope, owned);
526 obj.add_keyframe(current_time, kf, c, owned);
528 start_slope = end_slope;
530 slopes_set = (slopes_set<<1)&3;
533 void Animation::Loader::load_kf(const string &n, bool c)
535 add_kf(&get_collection().get<KeyFrame>(n), c, false);
538 void Animation::Loader::load_kf_inline(bool c)
540 RefPtr<KeyFrame> kf = new KeyFrame;
542 load_sub(*kf, get_collection());
546 add_kf(kf.get(), c, true);
550 void Animation::Loader::control_keyframe(const string &n)
553 check_slopes_and_control(slopes_set, true);
557 void Animation::Loader::control_keyframe_inline()
560 check_slopes_and_control(slopes_set, true);
561 load_kf_inline(true);
564 void Animation::Loader::event(const string &n)
566 obj.add_event(current_time, n);
569 void Animation::Loader::event1i(const string &n, int v)
571 obj.add_event(current_time, n, v);
574 void Animation::Loader::event1f(const string &n, float v)
576 obj.add_event(current_time, n, v);
579 void Animation::Loader::event2f(const string &n, float v0, float v1)
581 obj.add_event(current_time, n, LinAl::Vector<float, 2>(v0, v1));
584 void Animation::Loader::event3f(const string &n, float v0, float v1, float v2)
586 obj.add_event(current_time, n, Vector3(v0, v1, v2));
589 void Animation::Loader::event4f(const string &n, float v0, float v1, float v2, float v3)
591 obj.add_event(current_time, n, Vector4(v0, v1, v2, v3));
594 void Animation::Loader::interval(float t)
596 current_time += t*Time::sec;
599 void Animation::Loader::keyframe(const string &n)
604 void Animation::Loader::keyframe_inline()
606 load_kf_inline(false);
609 void Animation::Loader::slopes(float s, float e)
611 check_slopes_and_control(true, (!obj.keyframes.empty() && obj.keyframes.back().control));