#include <cmath>
+#include <msp/core/maputils.h>
#include <msp/datafile/collection.h>
#include <msp/time/units.h>
#include "animation.h"
+#include "animationeventobserver.h"
#include "armature.h"
-#include "keyframe.h"
+#include "error.h"
#include "pose.h"
using namespace std;
looping(false)
{ }
+// Avoid synthesizing ~RefPtr in files including animation.h
+Animation::~Animation()
+{ }
+
void Animation::set_armature(const Armature &a)
{
armature = &a;
}
+unsigned Animation::get_slot_for_uniform(const string &n) const
+{
+ for(unsigned i=0; i<uniforms.size(); ++i)
+ if(uniforms[i].name==n)
+ return i;
+ throw key_error(n);
+}
+
+const string &Animation::get_uniform_name(unsigned i) const
+{
+ if(i>=uniforms.size())
+ throw out_of_range("Animation::get_uniform_name");
+ return uniforms[i].name;
+}
+
void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf)
{
+ add_keyframe(t, kf, 1.0f, 1.0f);
+}
+
+void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf, float slope)
+{
+ add_keyframe(t, kf, slope, slope);
+}
+
+void Animation::add_keyframe(const Time::TimeDelta &t, const KeyFrame &kf, float ss, float es)
+{
+ RefPtr<const KeyFrame> kfr(&kf);
+ kfr.keep();
+ add_keyframe(t, kfr, ss, es);
+}
+
+void Animation::add_keyframe(const Time::TimeDelta &t, const RefPtr<const KeyFrame> &kf, float ss, float es)
+{
+ if(keyframes.empty() && t!=Time::zero)
+ throw invalid_argument("Animation::add_keyframe");
if(!keyframes.empty() && t<keyframes.back().time)
throw invalid_argument("Animation::add_keyframe");
- TimedKeyFrame tkf(*this);
+ bool realloc = (keyframes.size()>=keyframes.capacity());
+
+ keyframes.push_back(TimedKeyFrame());
+ TimedKeyFrame &tkf = keyframes.back();
tkf.time = t;
- tkf.keyframe = &kf;
- tkf.keyframe.keep();
+ tkf.start_slope = ss;
+ tkf.end_slope = es;
+ tkf.keyframe = kf;
+
+ if(realloc)
+ {
+ for(unsigned i=1; i<keyframes.size(); ++i)
+ if(keyframes[i].prev)
+ keyframes[i].prev = &keyframes[i-1];
+ }
+ if(keyframes.size()>1 && t>(&tkf-1)->time)
+ tkf.prev = &tkf-1;
+
prepare_keyframe(tkf);
- keyframes.push_back(tkf);
}
-void Animation::set_looping(bool l)
+void Animation::prepare_keyframe(TimedKeyFrame &tkf)
{
- looping = l;
+ const KeyFrame::UniformMap &kf_uniforms = tkf.keyframe->get_uniforms();
+ for(KeyFrame::UniformMap::const_iterator i=kf_uniforms.begin(); i!=kf_uniforms.end(); ++i)
+ {
+ bool found = false;
+ for(unsigned j=0; (!found && j<uniforms.size()); ++j)
+ if(uniforms[j].name==i->first)
+ {
+ if(uniforms[j].size!=i->second.size)
+ throw invalid_operation("Animation::prepare_keyframe");
+ found = true;
+ }
+
+ if(!found)
+ uniforms.push_back(UniformInfo(i->first, i->second.size));
+ }
+
+ tkf.prepare(*this);
}
-void Animation::prepare_keyframe(TimedKeyFrame &tkf)
+void Animation::add_event(const Time::TimeDelta &t, const string &n, const Variant &v)
{
- tkf.prev = (keyframes.empty() ? 0 : &keyframes.back());
- if(!tkf.prev)
- return;
+ Event event;
+ event.time = t;
+ event.name = n;
+ event.value = v;
+ events.push_back(event);
+}
+
+const Time::TimeDelta &Animation::get_duration() const
+{
+ if(keyframes.empty())
+ return Time::zero;
- tkf.prepare();
+ return keyframes.back().time;
+}
+
+void Animation::set_looping(bool l)
+{
+ looping = l;
}
scale(0)
{ }
-Animation::AxisInterpolation::AxisInterpolation(const double *axis1, const double *axis2)
+Animation::AxisInterpolation::AxisInterpolation(const float *axis1, const float *axis2)
{
// Compute a normalized vector halfway between the two endpoints
- double half[3];
- double len = 0;
+ float a1_len = 0;
+ float h_len = 0;
+ float cos_half = 0;
for(unsigned i=0; i<3; ++i)
{
- half[i] = (axis1[i]+axis2[i])/2;
- len += half[i]*half[i];
+ float half_i = (axis1[i]+axis2[i])/2;
+ cos_half += axis1[i]*half_i;
+ a1_len += axis1[i]*axis1[i];
+ h_len += half_i*half_i;
}
- len = sqrt(len);
- for(unsigned i=0; i<3; ++i)
- half[i] /= len;
// Compute correction factors for smooth interpolation
- double cos_half = axis1[0]*half[0]+axis1[1]*half[1]+axis1[2]*half[2];
- double angle = acos(cos_half);
+ cos_half = min(max(cos_half/sqrt(a1_len*h_len), -1.0f), 1.0f);
+ float angle = acos(cos_half);
slope = (angle ? angle/tan(angle) : 1);
scale = cos_half;
}
matrix1(&m1),
matrix2(&m2)
{
- const double *m1_data = matrix1->data();
- const double *m2_data = matrix2->data();
+ const float *m1_data = matrix1->data();
+ const float *m2_data = matrix2->data();
for(unsigned i=0; i<3; ++i)
axes[i] = AxisInterpolation(m1_data+i*4, m2_data+i*4);
}
{
float u = t*2.0f-1.0f;
- double matrix[16];
+ float matrix[16];
for(unsigned i=0; i<4; ++i)
{
- const double *m1_col = matrix1->data()+i*4;
- const double *m2_col = matrix2->data()+i*4;
- double *out_col = matrix+i*4;
+ const float *m1_col = matrix1->data()+i*4;
+ const float *m2_col = matrix2->data()+i*4;
+ float *out_col = matrix+i*4;
if(i<3)
{
will be in the range [-1, 1]. */
float w = (axes[i].slope+(1-axes[i].slope)*u*u)*u*0.5f+0.5f;
- /* The interpolate vectors will also be shorter than unit length. At
+ /* The interpolated vectors will also be shorter than unit length. At
the halfway point the length will be equal to the cosine of half the
angle, which was computed earlier. Use a second degree polynomial to
approximate. */
}
-Animation::TimedKeyFrame::TimedKeyFrame(const Animation &a):
- animation(a),
- prev(0)
+Animation::TimedKeyFrame::TimedKeyFrame():
+ prev(0),
+ start_slope(1),
+ end_slope(1)
{ }
-void Animation::TimedKeyFrame::prepare()
+void Animation::TimedKeyFrame::prepare(const Animation &animation)
{
+ const KeyFrame::UniformMap &kf_uniforms = keyframe->get_uniforms();
+ for(KeyFrame::UniformMap::const_iterator i=kf_uniforms.begin(); i!=kf_uniforms.end(); ++i)
+ {
+ unsigned j = animation.get_slot_for_uniform(i->first);
+ uniforms.reserve(j+1);
+ for(unsigned k=uniforms.size(); k<=j; ++k)
+ uniforms.push_back(KeyFrame::AnimatedUniform(animation.uniforms[k].size, 0.0f));
+
+ uniforms[j] = i->second;
+ }
+
+ if(!prev)
+ return;
+
delta_t = time-prev->time;
matrix = MatrixInterpolation(prev->keyframe->get_matrix(), keyframe->get_matrix());
+
if(animation.armature)
{
unsigned max_index = animation.armature->get_max_link_index();
}
+Animation::UniformInfo::UniformInfo(const string &n, unsigned s):
+ name(n),
+ size(s)
+{ }
+
+
Animation::Iterator::Iterator(const Animation &a):
- animation(a),
- iter(animation.keyframes.begin()),
+ animation(&a),
+ iter(animation->keyframes.begin()),
+ event_iter(animation->events.begin()),
+ x(0),
end(false)
-{ }
+{
+ if(iter==animation->keyframes.end())
+ throw invalid_argument("Animation::Iterator::Iterator");
+}
Animation::Iterator &Animation::Iterator::operator+=(const Time::TimeDelta &t)
{
time_since_keyframe += t;
while(time_since_keyframe>iter->delta_t)
{
- KeyFrameList::const_iterator next = iter;
+ vector<TimedKeyFrame>::const_iterator next = iter;
++next;
- if(next==animation.keyframes.end())
+ if(next==animation->keyframes.end())
{
- if(animation.looping)
- next = animation.keyframes.begin();
+ if(animation->looping)
+ next = animation->keyframes.begin();
else
{
end = true;
iter = next;
}
+ x = time_since_keyframe/iter->delta_t;
+ x += (iter->start_slope-1)*((x-2)*x+1)*x + (1-iter->end_slope)*(1-x)*x*x;
+
return *this;
}
+void Animation::Iterator::dispatch_events(AnimationEventObserver &observer)
+{
+ vector<Event>::const_iterator events_end = animation->events.end();
+ if(end)
+ {
+ for(; event_iter!=events_end; ++event_iter)
+ observer.animation_event(0, event_iter->name, event_iter->value);
+ }
+ else if(event_iter!=events_end)
+ {
+ Time::TimeDelta t = time_since_keyframe;
+ if(iter->prev)
+ t += iter->prev->time;
+ for(; (event_iter!=events_end && event_iter->time<=t); ++event_iter)
+ observer.animation_event(0, event_iter->name, event_iter->value);
+ }
+}
+
Matrix Animation::Iterator::get_matrix() const
{
if(!iter->prev)
return iter->keyframe->get_matrix();
- return iter->matrix.get(time_since_keyframe/iter->delta_t);
+ return iter->matrix.get(x);
+}
+
+KeyFrame::AnimatedUniform Animation::Iterator::get_uniform(unsigned i) const
+{
+ if(!iter->prev)
+ {
+ if(iter->uniforms.size()>i)
+ return iter->uniforms[i];
+ else
+ return KeyFrame::AnimatedUniform(animation->uniforms[i].size, 0.0f);
+ }
+
+ unsigned size = animation->uniforms[i].size;
+ KeyFrame::AnimatedUniform result(size, 0.0f);
+ for(unsigned j=0; j<size; ++j)
+ result.values[j] = iter->prev->uniforms[i].values[j]*(1-x)+iter->uniforms[i].values[j]*x;
+ return result;
}
Matrix Animation::Iterator::get_pose_matrix(unsigned link) const
{
- if(!animation.armature)
- throw logic_error("Animation::Iterator::get_pose_matrix");
- if(link>animation.armature->get_max_link_index())
+ if(!animation->armature)
+ throw invalid_operation("Animation::Iterator::get_pose_matrix");
+ if(link>animation->armature->get_max_link_index())
throw out_of_range("Animation::Iterator::get_pose_matrix");
if(!iter->prev)
return Matrix();
}
- // We must redo the base point correction since interpolation throws if off
- Matrix result = iter->pose_matrices[link].get(time_since_keyframe/iter->delta_t);
- const Vector3 &base = animation.armature->get_link(link).get_base();
+ // We must redo the base point correction since interpolation throws it off
+ // XXX This should probably be done on local matrices
+ Matrix result = iter->pose_matrices[link].get(x);
+ const Vector3 &base = animation->armature->get_link(link).get_base();
Vector3 new_base = result*base;
- result = Matrix::translation(base.x-new_base.x, base.y-new_base.y, base.z-new_base.z)*result;
+ result = Matrix::translation(base-new_base)*result;
return result;
}
void Animation::Loader::init()
{
+ start_slope = 1;
+ end_slope = 1;
add("armature", &Animation::armature);
+ add("event", &Loader::event);
+ add("event", &Loader::event1i);
+ add("event", &Loader::event1f);
+ add("event", &Loader::event2f);
+ add("event", &Loader::event3f);
+ add("event", &Loader::event4f);
add("interval", &Loader::interval);
add("keyframe", &Loader::keyframe);
add("keyframe", &Loader::keyframe_inline);
add("looping", &Animation::looping);
+ add("slopes", &Loader::slopes);
+}
+
+void Animation::Loader::event(const string &n)
+{
+ obj.add_event(current_time, n);
+}
+
+void Animation::Loader::event1i(const string &n, int v)
+{
+ obj.add_event(current_time, n, v);
+}
+
+void Animation::Loader::event1f(const string &n, float v)
+{
+ obj.add_event(current_time, n, v);
+}
+
+void Animation::Loader::event2f(const string &n, float v0, float v1)
+{
+ obj.add_event(current_time, n, LinAl::Vector<float, 2>(v0, v1));
+}
+
+void Animation::Loader::event3f(const string &n, float v0, float v1, float v2)
+{
+ obj.add_event(current_time, n, Vector3(v0, v1, v2));
+}
+
+void Animation::Loader::event4f(const string &n, float v0, float v1, float v2, float v3)
+{
+ obj.add_event(current_time, n, Vector4(v0, v1, v2, v3));
+}
+
+void Animation::Loader::interval(float t)
+{
+ current_time += t*Time::sec;
}
void Animation::Loader::keyframe(const string &n)
{
- obj.add_keyframe(current_time, get_collection().get<KeyFrame>(n));
+ obj.add_keyframe(current_time, get_collection().get<KeyFrame>(n), start_slope, end_slope);
+ start_slope = end_slope;
+ end_slope = 1;
}
void Animation::Loader::keyframe_inline()
else
load_sub(*kf);
- TimedKeyFrame tkf(obj);
- tkf.time = current_time;
- tkf.keyframe = kf;
- obj.prepare_keyframe(tkf);
- obj.keyframes.push_back(tkf);
+ obj.add_keyframe(current_time, kf, start_slope, end_slope);
+ start_slope = end_slope;
+ end_slope = 1;
}
-void Animation::Loader::interval(float t)
+void Animation::Loader::slopes(float s, float e)
{
- current_time += t*Time::sec;
+ start_slope = s;
+ end_slope = e;
}
} // namespace GL
projects / libs / gl.git / blobdiff