2 #include <msp/core/maputils.h>
3 #include <msp/datafile/collection.h>
4 #include <msp/fs/utils.h>
5 #include <msp/interpolate/bezierspline.h>
6 #include <msp/strings/format.h>
8 #include "animationeventobserver.h"
18 Animation::Animation():
23 Animation::~Animation()
25 for(vector<TimedKeyFrame>::iterator i=keyframes.begin(); i!=keyframes.end(); ++i)
28 for(vector<Curve *>::iterator i=curves.begin(); i!=curves.end(); ++i)
32 void Animation::set_armature(const Armature &a)
34 if(!keyframes.empty() && &a!=armature)
35 throw invalid_operation("Animation::set_armature");
39 unsigned Animation::get_slot_for_uniform(const string &n) const
41 for(unsigned i=0; i<uniforms.size(); ++i)
42 if(uniforms[i].name==n)
47 const string &Animation::get_uniform_name(unsigned i) const
49 if(i>=uniforms.size())
50 throw out_of_range("Animation::get_uniform_name");
51 return uniforms[i].name;
54 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf)
56 add_keyframe(t, &kf, false, false);
60 void Animation::add_keyframe_owned(const Time::TimeDelta &t, const KeyFrame *kf)
62 add_keyframe(t, kf, false, true);
66 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf, float slope)
68 add_keyframe(t, &kf, slope, slope, false);
72 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf, float ss, float es)
74 add_keyframe(t, &kf, ss, es, false);
78 void Animation::add_control_keyframe(const KeyFrame &kf)
81 throw invalid_operation("Animation::add_control_keyframe");
83 add_keyframe(keyframes.back().time, &kf, true, false);
86 void Animation::add_control_keyframe_owned(const KeyFrame *kf)
89 throw invalid_operation("Animation::add_control_keyframe_owned");
91 add_keyframe(keyframes.back().time, kf, true, true);
94 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame *kf, float ss, float es, bool owned)
97 return add_keyframe(t, kf, false, owned);
99 if(keyframes.back().control)
100 throw invalid_operation("Animation::add_keyframe");
102 const KeyFrame &last = *keyframes.back().keyframe;
103 const Transform &trn = kf->get_transform();
104 const Transform &last_trn = last.get_transform();
105 const KeyFrame::UniformMap &kf_unis = kf->get_uniforms();
106 const KeyFrame::UniformMap &last_unis = last.get_uniforms();
107 for(unsigned i=1; i<=2; ++i)
109 float x = (i==1 ? ss/3 : 1-es/3);
110 KeyFrame *ckf = new KeyFrame;
112 ctrn.set_position(last_trn.get_position()*(1-x)+trn.get_position()*x);
113 const Transform::AngleVector3 &e1 = last_trn.get_euler();
114 const Transform::AngleVector3 &e2 = trn.get_euler();
115 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));
116 ctrn.set_scale(last_trn.get_scale()*(1-x)+trn.get_scale()*x);
117 ckf->set_transform(ctrn);
119 for(KeyFrame::UniformMap::const_iterator j=kf_unis.begin(); j!=kf_unis.end(); ++j)
121 KeyFrame::UniformMap::const_iterator k = last_unis.find(j->first);
122 if(k==last_unis.end())
125 KeyFrame::AnimatedUniform uni(j->second.size, 0.0f);
126 for(unsigned c=0; c<uni.size; ++c)
127 uni.values[c] = k->second.values[c]*(1-x)+j->second.values[c]*x;
129 ckf->set_uniform(j->first, uni);
132 add_keyframe(t, ckf, true, true);
135 add_keyframe(t, kf, false, owned);
138 void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame *kf, bool c, bool owned)
140 if(c && keyframes.empty())
141 throw invalid_argument("Animation::add_keyframe");
142 if(keyframes.empty() && t!=Time::zero)
143 throw invalid_argument("Animation::add_keyframe");
144 if(!keyframes.empty() && t<keyframes.back().time)
145 throw invalid_argument("Animation::add_keyframe");
146 if(kf->get_pose() && armature && kf->get_pose()->get_armature()!=armature)
147 throw invalid_argument("Animation::add_keyframe");
149 const KeyFrame::UniformMap &kf_uniforms = kf->get_uniforms();
150 for(vector<UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
152 KeyFrame::UniformMap::const_iterator j = kf_uniforms.find(i->name);
153 if(j!=kf_uniforms.end() && j->second.size!=i->size)
154 throw invalid_argument("Animation::add_keyframe");
157 if(kf->get_pose() && !armature)
158 armature = kf->get_pose()->get_armature();
166 keyframes.push_back(tkf);
168 for(KeyFrame::UniformMap::const_iterator i=kf_uniforms.begin(); i!=kf_uniforms.end(); ++i)
171 for(vector<UniformInfo>::const_iterator j=uniforms.begin(); (!found && j!=uniforms.end()); ++j)
172 found = (j->name==i->first);
175 uniforms.push_back(UniformInfo(i->first, i->second.size));
179 void Animation::create_curves()
181 for(vector<Curve *>::iterator i=curves.begin(); i!=curves.end(); ++i)
185 curves.reserve(6+uniforms.size());
186 create_curve(POSITION, Transform::POSITION, &extract_position);
187 create_curve(EULER, Transform::EULER, &extract_euler);
188 create_curve(SCALE, Transform::SCALE, &extract_scale);
190 uniform_curve_offset = curves.size();
191 for(vector<UniformInfo>::const_iterator i=uniforms.begin(); i!=uniforms.end(); ++i)
194 create_curve<1>(UNIFORM, -1, ExtractUniform<1>(i->name));
196 create_curve<2>(UNIFORM, -1, ExtractUniform<2>(i->name));
198 create_curve<3>(UNIFORM, -1, ExtractUniform<3>(i->name));
200 create_curve<4>(UNIFORM, -1, ExtractUniform<4>(i->name));
204 void Animation::create_curve(CurveTarget target, Transform::ComponentMask mask, ExtractComponent::Extract extract)
206 Transform::ComponentMask all = mask;
207 Transform::ComponentMask any = Transform::NONE;
208 for(vector<TimedKeyFrame>::const_iterator i=keyframes.begin(); i!=keyframes.end(); ++i)
210 all = all&i->keyframe->get_transform().get_mask();
211 any = any|i->keyframe->get_transform().get_mask();
215 create_curve<3>(target, -1, extract);
218 unsigned low_bit = mask&(mask>>2);
219 for(unsigned i=3; i-->0; )
221 Transform::ComponentMask bit = static_cast<Transform::ComponentMask>(low_bit<<i);
223 create_curve<1>(target, i, ExtractComponent(extract, i, bit));
228 template<unsigned N, typename T>
229 void Animation::create_curve(CurveTarget target, int component, const T &extract)
231 typedef typename ValueCurve<N>::Knot Knot;
234 unsigned n_control = 0;
235 for(vector<TimedKeyFrame>::const_iterator i=keyframes.begin(); i!=keyframes.end(); ++i)
237 if(i->control && knots.empty())
240 typename Interpolate::SplineValue<float, N>::Type value;
241 if(extract(*i->keyframe, value))
243 typename Knot::Value dvalue = value;
244 float x = i->time/Time::sec;
249 throw logic_error("too many control keyframes");
255 typename Knot::Value cv = knots.back().y;
256 knots.back().y = (knots[knots.size()-2].y+cv*2.0)/3.0;
257 knots.push_back(Knot(x, (dvalue+cv*2.0)/3.0));
259 else if(n_control==0 && !knots.empty())
261 typename Knot::Value prev = knots.back().y;
262 knots.push_back(Knot(knots.back().x, (prev*2.0+dvalue)/3.0));
263 knots.push_back(Knot(x, (prev+dvalue*2.0)/3.0));
267 knots.push_back(Knot(x, value));
276 knots.push_back(knots.back());
277 knots.push_back(knots.back());
279 knots.push_back(knots.back());
282 curves.push_back(new ValueCurve<N>(target, component, knots));
285 bool Animation::extract_position(const KeyFrame &kf, Vector3 &value)
287 value = kf.get_transform().get_position();
291 bool Animation::extract_euler(const KeyFrame &kf, Vector3 &value)
293 const Transform::AngleVector3 &euler = kf.get_transform().get_euler();
294 value = Vector3(euler.x.radians(), euler.y.radians(), euler.z.radians());
298 bool Animation::extract_scale(const KeyFrame &kf, Vector3 &value)
300 value = kf.get_transform().get_scale();
304 void Animation::add_event(const Time::TimeDelta &t, const string &n, const Variant &v)
310 events.push_back(event);
313 const Time::TimeDelta &Animation::get_duration() const
315 if(keyframes.empty())
318 return keyframes.back().time;
321 void Animation::set_looping(bool l)
327 Animation::Curve::Curve(CurveTarget t, int c):
334 Animation::ValueCurve<N>::ValueCurve(CurveTarget t, int c, const vector<Knot> &k):
336 spline(Interpolate::BezierSpline<double, 3, N>(k))
340 void Animation::ValueCurve<N>::apply(float, Matrix &) const
342 throw invalid_operation("ValueCurve::apply");
346 void Animation::ValueCurve<1>::apply(float x, Matrix &matrix) const
348 float value = spline(x);
349 if(target==POSITION || target==SCALE)
354 vec[component] = value;
355 matrix.translate(vec);
359 Vector3 vec(1.0f, 1.0f, 1.0f);
360 vec[component] = value;
364 else if(target==EULER)
367 vec[component] = 1.0f;
368 matrix.rotate(Geometry::Angle<float>::from_radians(value), vec);
371 throw invalid_operation("ValueCurve::apply");
375 void Animation::ValueCurve<3>::apply(float x, Matrix &matrix) const
377 Vector3 value = spline(x);
379 matrix.translate(value);
380 else if(target==EULER)
382 matrix.rotate(Geometry::Angle<float>::from_radians(value.z), Vector3(0, 0, 1));
383 matrix.rotate(Geometry::Angle<float>::from_radians(value.y), Vector3(0, 1, 0));
384 matrix.rotate(Geometry::Angle<float>::from_radians(value.x), Vector3(1, 0, 0));
386 else if(target==SCALE)
389 throw invalid_operation("ValueCurve::apply");
393 void Animation::ValueCurve<N>::apply(float x, KeyFrame::AnimatedUniform &uni) const
396 typename Interpolate::Spline<double, 3, N>::Value value = spline(x);
397 for(unsigned i=0; i<N; ++i)
398 uni.values[i] = Interpolate::SplineValue<double, N>::get(value, i);
402 bool Animation::ExtractComponent::operator()(const KeyFrame &kf, float &value) const
405 if(!extract(kf, vec))
409 return kf.get_transform().get_mask()&mask;
414 bool Animation::ExtractUniform<N>::operator()(const KeyFrame &kf, typename Interpolate::SplineValue<float, N>::Type &value) const
416 const KeyFrame::UniformMap &kf_uniforms = kf.get_uniforms();
417 const KeyFrame::UniformMap::const_iterator i = kf_uniforms.find(name);
418 if(i==kf_uniforms.end())
421 value = Interpolate::SplineValue<float, N>::make(i->second.values);
426 Animation::UniformInfo::UniformInfo(const string &n, unsigned s):
432 Animation::Iterator::Iterator(const Animation &a):
434 event_iter(animation->events.begin()),
439 Animation::Iterator &Animation::Iterator::operator+=(const Time::TimeDelta &t)
441 const Time::TimeDelta &duration = animation->get_duration();
446 if(animation->looping)
448 while(elapsed>=duration)
451 else if(elapsed>=duration)
460 void Animation::Iterator::dispatch_events(AnimationEventObserver &observer)
462 for(; (event_iter!=animation->events.end() && event_iter->time<=elapsed); ++event_iter)
463 observer.animation_event(0, event_iter->name, event_iter->value);
466 Matrix Animation::Iterator::get_matrix() const
469 for(unsigned i=0; i<animation->uniform_curve_offset; ++i)
470 animation->curves[i]->apply(elapsed/Time::sec, matrix);
474 KeyFrame::AnimatedUniform Animation::Iterator::get_uniform(unsigned i) const
476 if(i>=animation->uniforms.size())
477 throw out_of_range("Animation::Iterator::get_uniform");
479 KeyFrame::AnimatedUniform uni(animation->uniforms[i].size, 0.0f);
480 animation->curves[animation->uniform_curve_offset+i]->apply(elapsed/Time::sec, uni);
484 Matrix Animation::Iterator::get_pose_matrix(unsigned link) const
486 if(!animation->armature)
487 throw invalid_operation("Animation::Iterator::get_pose_matrix");
488 if(link>animation->armature->get_max_link_index())
489 throw out_of_range("Animation::Iterator::get_pose_matrix");
491 throw logic_error("pose animations are currently unimplemented");
495 Animation::Loader::Loader(Animation &a):
496 DataFile::CollectionObjectLoader<Animation>(a, 0)
501 Animation::Loader::Loader(Animation &a, Collection &c):
502 DataFile::CollectionObjectLoader<Animation>(a, &c)
507 void Animation::Loader::init()
512 add("armature", &Animation::armature);
513 add("control_keyframe", &Loader::control_keyframe);
514 add("control_keyframe", &Loader::control_keyframe_inline);
515 add("event", &Loader::event);
516 add("event", &Loader::event1i);
517 add("event", &Loader::event1f);
518 add("event", &Loader::event2f);
519 add("event", &Loader::event3f);
520 add("event", &Loader::event4f);
521 add("interval", &Loader::interval);
522 add("keyframe", &Loader::keyframe);
523 add("keyframe", &Loader::keyframe_inline);
524 add("looping", &Animation::looping);
525 add("slopes", &Loader::slopes);
528 void Animation::Loader::finish()
533 void Animation::Loader::check_slopes_and_control(bool s, bool c)
536 throw logic_error("can't use both slopes and control keyframes in same segment");
539 void Animation::Loader::add_kf(const KeyFrame *kf, bool c, bool owned)
542 obj.add_keyframe(current_time, kf, start_slope, end_slope, owned);
544 obj.add_keyframe(current_time, kf, c, owned);
546 start_slope = end_slope;
548 slopes_set = (slopes_set<<1)&3;
551 void Animation::Loader::load_kf(const string &n, bool c)
553 add_kf(&get_collection().get<KeyFrame>(n), c, false);
556 void Animation::Loader::load_kf_inline(bool c)
558 RefPtr<KeyFrame> kf = new KeyFrame;
561 KeyFrame::Loader ldr(*kf, get_collection());
562 ldr.set_inline_base_name(format("%s/%d.kframe", FS::basename(get_source()), obj.keyframes.size()));
568 add_kf(kf.get(), c, true);
572 void Animation::Loader::control_keyframe(const string &n)
575 check_slopes_and_control(slopes_set, true);
579 void Animation::Loader::control_keyframe_inline()
582 check_slopes_and_control(slopes_set, true);
583 load_kf_inline(true);
586 void Animation::Loader::event(const string &n)
588 obj.add_event(current_time, n);
591 void Animation::Loader::event1i(const string &n, int v)
593 obj.add_event(current_time, n, v);
596 void Animation::Loader::event1f(const string &n, float v)
598 obj.add_event(current_time, n, v);
601 void Animation::Loader::event2f(const string &n, float v0, float v1)
603 obj.add_event(current_time, n, LinAl::Vector<float, 2>(v0, v1));
606 void Animation::Loader::event3f(const string &n, float v0, float v1, float v2)
608 obj.add_event(current_time, n, Vector3(v0, v1, v2));
611 void Animation::Loader::event4f(const string &n, float v0, float v1, float v2, float v3)
613 obj.add_event(current_time, n, Vector4(v0, v1, v2, v3));
616 void Animation::Loader::interval(float t)
618 current_time += t*Time::sec;
621 void Animation::Loader::keyframe(const string &n)
626 void Animation::Loader::keyframe_inline()
628 load_kf_inline(false);
631 void Animation::Loader::slopes(float s, float e)
633 check_slopes_and_control(true, (!obj.keyframes.empty() && obj.keyframes.back().control));