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-rw-r--r--scene/resources/animation.cpp219
1 files changed, 190 insertions, 29 deletions
diff --git a/scene/resources/animation.cpp b/scene/resources/animation.cpp
index 4197251d7e..823617328e 100644
--- a/scene/resources/animation.cpp
+++ b/scene/resources/animation.cpp
@@ -4048,28 +4048,27 @@ void Animation::clear() {
emit_signal(SceneStringNames::get_singleton()->tracks_changed);
}
-bool Animation::_vector3_track_optimize_key(const TKey<Vector3> t0, const TKey<Vector3> t1, const TKey<Vector3> t2, real_t p_allowed_velocity_err, real_t p_allowed_angular_error, real_t p_allowed_precision_error) {
+bool Animation::_float_track_optimize_key(const TKey<float> t0, const TKey<float> t1, const TKey<float> t2, real_t p_allowed_velocity_err, real_t p_allowed_precision_error) {
// Remove overlapping keys.
if (Math::is_equal_approx(t0.time, t1.time) || Math::is_equal_approx(t1.time, t2.time)) {
return true;
}
- if ((t0.value - t1.value).length() < p_allowed_precision_error && (t1.value - t2.value).length() < p_allowed_precision_error) {
+ if (abs(t0.value - t1.value) < p_allowed_precision_error && abs(t1.value - t2.value) < p_allowed_precision_error) {
return true;
}
// Calc velocities.
- Vector3 vc0 = (t1.value - t0.value) / (t1.time - t0.time);
- Vector3 vc1 = (t2.value - t1.value) / (t2.time - t1.time);
- real_t v0 = vc0.length();
- real_t v1 = vc1.length();
+ double v0 = (t1.value - t0.value) / (t1.time - t0.time);
+ double v1 = (t2.value - t1.value) / (t2.time - t1.time);
// Avoid zero div but check equality.
if (abs(v0 - v1) < p_allowed_precision_error) {
return true;
} else if (abs(v0) < p_allowed_precision_error || abs(v1) < p_allowed_precision_error) {
return false;
}
- // Check axis.
- if (vc0.normalized().dot(vc1.normalized()) >= 1.0 - p_allowed_angular_error * 2.0) {
- real_t ratio = v0 < v1 ? v0 / v1 : v1 / v0;
+ if (!signbit(v0 * v1)) {
+ v0 = abs(v0);
+ v1 = abs(v1);
+ double ratio = v0 < v1 ? v0 / v1 : v1 / v0;
if (ratio >= 1.0 - p_allowed_velocity_err) {
return true;
}
@@ -4077,7 +4076,7 @@ bool Animation::_vector3_track_optimize_key(const TKey<Vector3> t0, const TKey<V
return false;
}
-bool Animation::_quaternion_track_optimize_key(const TKey<Quaternion> t0, const TKey<Quaternion> t1, const TKey<Quaternion> t2, real_t p_allowed_velocity_err, real_t p_allowed_angular_error, real_t p_allowed_precision_error) {
+bool Animation::_vector2_track_optimize_key(const TKey<Vector2> t0, const TKey<Vector2> t1, const TKey<Vector2> t2, real_t p_allowed_velocity_err, real_t p_allowed_angular_error, real_t p_allowed_precision_error) {
// Remove overlapping keys.
if (Math::is_equal_approx(t0.time, t1.time) || Math::is_equal_approx(t1.time, t2.time)) {
return true;
@@ -4085,20 +4084,22 @@ bool Animation::_quaternion_track_optimize_key(const TKey<Quaternion> t0, const
if ((t0.value - t1.value).length() < p_allowed_precision_error && (t1.value - t2.value).length() < p_allowed_precision_error) {
return true;
}
+ // Calc velocities.
+ Vector2 vc0 = (t1.value - t0.value) / (t1.time - t0.time);
+ Vector2 vc1 = (t2.value - t1.value) / (t2.time - t1.time);
+ double v0 = vc0.length();
+ double v1 = vc1.length();
+ // Avoid zero div but check equality.
+ if (abs(v0 - v1) < p_allowed_precision_error) {
+ return true;
+ } else if (abs(v0) < p_allowed_precision_error || abs(v1) < p_allowed_precision_error) {
+ return false;
+ }
// Check axis.
- Quaternion q0 = t0.value * t1.value * t0.value.inverse();
- Quaternion q1 = t1.value * t2.value * t1.value.inverse();
- if (q0.get_axis().dot(q1.get_axis()) >= 1.0 - p_allowed_angular_error * 2.0) {
- // Calc velocities.
- real_t v0 = Math::acos(t0.value.dot(t1.value)) / (t1.time - t0.time);
- real_t v1 = Math::acos(t1.value.dot(t2.value)) / (t2.time - t1.time);
- // Avoid zero div but check equality.
- if (abs(v0 - v1) < p_allowed_precision_error) {
- return true;
- } else if (abs(v0) < p_allowed_precision_error || abs(v1) < p_allowed_precision_error) {
- return false;
- }
- real_t ratio = v0 < v1 ? v0 / v1 : v1 / v0;
+ if (vc0.normalized().dot(vc1.normalized()) >= 1.0 - p_allowed_angular_error * 2.0) {
+ v0 = abs(v0);
+ v1 = abs(v1);
+ double ratio = v0 < v1 ? v0 / v1 : v1 / v0;
if (ratio >= 1.0 - p_allowed_velocity_err) {
return true;
}
@@ -4106,25 +4107,64 @@ bool Animation::_quaternion_track_optimize_key(const TKey<Quaternion> t0, const
return false;
}
-bool Animation::_float_track_optimize_key(const TKey<float> t0, const TKey<float> t1, const TKey<float> t2, real_t p_allowed_velocity_err, real_t p_allowed_precision_error) {
+bool Animation::_vector3_track_optimize_key(const TKey<Vector3> t0, const TKey<Vector3> t1, const TKey<Vector3> t2, real_t p_allowed_velocity_err, real_t p_allowed_angular_error, real_t p_allowed_precision_error) {
// Remove overlapping keys.
if (Math::is_equal_approx(t0.time, t1.time) || Math::is_equal_approx(t1.time, t2.time)) {
return true;
}
- if (abs(t0.value - t1.value) < p_allowed_precision_error && abs(t1.value - t2.value) < p_allowed_precision_error) {
+ if ((t0.value - t1.value).length() < p_allowed_precision_error && (t1.value - t2.value).length() < p_allowed_precision_error) {
return true;
}
// Calc velocities.
- real_t v0 = (t1.value - t0.value) / (t1.time - t0.time);
- real_t v1 = (t2.value - t1.value) / (t2.time - t1.time);
+ Vector3 vc0 = (t1.value - t0.value) / (t1.time - t0.time);
+ Vector3 vc1 = (t2.value - t1.value) / (t2.time - t1.time);
+ double v0 = vc0.length();
+ double v1 = vc1.length();
// Avoid zero div but check equality.
if (abs(v0 - v1) < p_allowed_precision_error) {
return true;
} else if (abs(v0) < p_allowed_precision_error || abs(v1) < p_allowed_precision_error) {
return false;
}
- if (!signbit(v0 * v1)) {
- real_t ratio = v0 < v1 ? v0 / v1 : v1 / v0;
+ // Check axis.
+ if (vc0.normalized().dot(vc1.normalized()) >= 1.0 - p_allowed_angular_error * 2.0) {
+ v0 = abs(v0);
+ v1 = abs(v1);
+ double ratio = v0 < v1 ? v0 / v1 : v1 / v0;
+ if (ratio >= 1.0 - p_allowed_velocity_err) {
+ return true;
+ }
+ }
+ return false;
+}
+
+bool Animation::_quaternion_track_optimize_key(const TKey<Quaternion> t0, const TKey<Quaternion> t1, const TKey<Quaternion> t2, real_t p_allowed_velocity_err, real_t p_allowed_angular_error, real_t p_allowed_precision_error) {
+ // Remove overlapping keys.
+ if (Math::is_equal_approx(t0.time, t1.time) || Math::is_equal_approx(t1.time, t2.time)) {
+ return true;
+ }
+ if ((t0.value - t1.value).length() < p_allowed_precision_error && (t1.value - t2.value).length() < p_allowed_precision_error) {
+ return true;
+ }
+ // Check axis.
+ Quaternion q0 = t0.value * t1.value * t0.value.inverse();
+ Quaternion q1 = t1.value * t2.value * t1.value.inverse();
+ if (q0.get_axis().dot(q1.get_axis()) >= 1.0 - p_allowed_angular_error * 2.0) {
+ double a0 = Math::acos(t0.value.dot(t1.value));
+ double a1 = Math::acos(t1.value.dot(t2.value));
+ if (a0 + a1 >= Math_PI) {
+ return false; // Rotation is more than 180 deg, keep key.
+ }
+ // Calc velocities.
+ double v0 = a0 / (t1.time - t0.time);
+ double v1 = a1 / (t2.time - t1.time);
+ // Avoid zero div but check equality.
+ if (abs(v0 - v1) < p_allowed_precision_error) {
+ return true;
+ } else if (abs(v0) < p_allowed_precision_error || abs(v1) < p_allowed_precision_error) {
+ return false;
+ }
+ double ratio = v0 < v1 ? v0 / v1 : v1 / v0;
if (ratio >= 1.0 - p_allowed_velocity_err) {
return true;
}
@@ -4236,6 +4276,125 @@ void Animation::_blend_shape_track_optimize(int p_idx, real_t p_allowed_velocity
}
}
+void Animation::_value_track_optimize(int p_idx, real_t p_allowed_velocity_err, real_t p_allowed_angular_err, real_t p_allowed_precision_error) {
+ ERR_FAIL_INDEX(p_idx, tracks.size());
+ ERR_FAIL_COND(tracks[p_idx]->type != TYPE_VALUE);
+ ValueTrack *tt = static_cast<ValueTrack *>(tracks[p_idx]);
+ if (tt->values.size() == 0) {
+ return;
+ }
+ Variant::Type type = tt->values[0].value.get_type();
+
+ // Special case for angle interpolation.
+ bool is_using_angle = tt->interpolation == Animation::INTERPOLATION_LINEAR_ANGLE || tt->interpolation == Animation::INTERPOLATION_CUBIC_ANGLE;
+ int i = 0;
+ while (i < tt->values.size() - 2) {
+ bool erase = false;
+ switch (type) {
+ case Variant::FLOAT: {
+ TKey<float> t0;
+ TKey<float> t1;
+ TKey<float> t2;
+ t0.time = tt->values[i].time;
+ t1.time = tt->values[i + 1].time;
+ t2.time = tt->values[i + 2].time;
+ t0.value = tt->values[i].value;
+ t1.value = tt->values[i + 1].value;
+ t2.value = tt->values[i + 2].value;
+ if (is_using_angle) {
+ float diff1 = fmod(t1.value - t0.value, Math_TAU);
+ t1.value = t0.value + fmod(2.0 * diff1, Math_TAU) - diff1;
+ float diff2 = fmod(t2.value - t1.value, Math_TAU);
+ t2.value = t1.value + fmod(2.0 * diff2, Math_TAU) - diff2;
+ if (abs(abs(diff1) + abs(diff2)) >= Math_PI) {
+ break; // Rotation is more than 180 deg, keep key.
+ }
+ }
+ erase = _float_track_optimize_key(t0, t1, t2, p_allowed_velocity_err, p_allowed_precision_error);
+ } break;
+ case Variant::VECTOR2: {
+ TKey<Vector2> t0;
+ TKey<Vector2> t1;
+ TKey<Vector2> t2;
+ t0.time = tt->values[i].time;
+ t1.time = tt->values[i + 1].time;
+ t2.time = tt->values[i + 2].time;
+ t0.value = tt->values[i].value;
+ t1.value = tt->values[i + 1].value;
+ t2.value = tt->values[i + 2].value;
+ erase = _vector2_track_optimize_key(t0, t1, t2, p_allowed_velocity_err, p_allowed_angular_err, p_allowed_precision_error);
+ } break;
+ case Variant::VECTOR3: {
+ TKey<Vector3> t0;
+ TKey<Vector3> t1;
+ TKey<Vector3> t2;
+ t0.time = tt->values[i].time;
+ t1.time = tt->values[i + 1].time;
+ t2.time = tt->values[i + 2].time;
+ t0.value = tt->values[i].value;
+ t1.value = tt->values[i + 1].value;
+ t2.value = tt->values[i + 2].value;
+ erase = _vector3_track_optimize_key(t0, t1, t2, p_allowed_velocity_err, p_allowed_angular_err, p_allowed_precision_error);
+ } break;
+ case Variant::QUATERNION: {
+ TKey<Quaternion> t0;
+ TKey<Quaternion> t1;
+ TKey<Quaternion> t2;
+ t0.time = tt->values[i].time;
+ t1.time = tt->values[i + 1].time;
+ t2.time = tt->values[i + 2].time;
+ t0.value = tt->values[i].value;
+ t1.value = tt->values[i + 1].value;
+ t2.value = tt->values[i + 2].value;
+ erase = _quaternion_track_optimize_key(t0, t1, t2, p_allowed_velocity_err, p_allowed_angular_err, p_allowed_precision_error);
+ } break;
+ default: {
+ } break;
+ }
+
+ if (erase) {
+ tt->values.remove_at(i + 1);
+ } else {
+ i++;
+ }
+ }
+
+ if (tt->values.size() == 2) {
+ bool single_key = false;
+ switch (type) {
+ case Variant::FLOAT: {
+ float val_0 = tt->values[0].value;
+ float val_1 = tt->values[1].value;
+ if (is_using_angle) {
+ float diff1 = fmod(val_1 - val_0, Math_TAU);
+ val_1 = val_0 + fmod(2.0 * diff1, Math_TAU) - diff1;
+ }
+ single_key = abs(val_0 - val_1) < p_allowed_precision_error;
+ } break;
+ case Variant::VECTOR2: {
+ Vector2 val_0 = tt->values[0].value;
+ Vector2 val_1 = tt->values[1].value;
+ single_key = (val_0 - val_1).length() < p_allowed_precision_error;
+ } break;
+ case Variant::VECTOR3: {
+ Vector3 val_0 = tt->values[0].value;
+ Vector3 val_1 = tt->values[1].value;
+ single_key = (val_0 - val_1).length() < p_allowed_precision_error;
+ } break;
+ case Variant::QUATERNION: {
+ Quaternion val_0 = tt->values[0].value;
+ Quaternion val_1 = tt->values[1].value;
+ single_key = (val_0 - val_1).length() < p_allowed_precision_error;
+ } break;
+ default: {
+ } break;
+ }
+ if (single_key) {
+ tt->values.remove_at(1);
+ }
+ }
+}
+
void Animation::optimize(real_t p_allowed_velocity_err, real_t p_allowed_angular_err, int p_precision) {
real_t precision = Math::pow(0.1, p_precision);
for (int i = 0; i < tracks.size(); i++) {
@@ -4250,6 +4409,8 @@ void Animation::optimize(real_t p_allowed_velocity_err, real_t p_allowed_angular
_scale_track_optimize(i, p_allowed_velocity_err, p_allowed_angular_err, precision);
} else if (tracks[i]->type == TYPE_BLEND_SHAPE) {
_blend_shape_track_optimize(i, p_allowed_velocity_err, precision);
+ } else if (tracks[i]->type == TYPE_VALUE) {
+ _value_track_optimize(i, p_allowed_velocity_err, p_allowed_angular_err, precision);
}
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-01 04:13:48 +0000