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-rw-r--r--scene/animation/animation_tree.cpp143
1 files changed, 55 insertions, 88 deletions
diff --git a/scene/animation/animation_tree.cpp b/scene/animation/animation_tree.cpp
index 517908077d..e148512963 100644
--- a/scene/animation/animation_tree.cpp
+++ b/scene/animation/animation_tree.cpp
@@ -289,11 +289,8 @@ double AnimationNode::_blend_node(const StringName &p_subpath, const Vector<Stri
new_path = String(parent->base_path) + String(p_subpath) + "/";
}
- // If tracks for blending don't exist for one of the animations, Rest or RESET animation is blended as init animation instead.
- // Then blend weight is 0 means that the init animation blend weight is 1.
- // In that case, processing only the animation with the lacking track will not process the lacking track, and will not properly apply the Reset value.
- // This means that all tracks which the animations in the branch that may be blended have must be processed.
- // Therefore, the blending process must be executed even if the blend weight is 0.
+ // This process, which depends on p_sync is needed to process sync correctly in the case of
+ // that a synced AnimationNodeSync exists under the un-synced AnimationNodeSync.
if (!p_seek && !p_sync && !any_valid) {
return p_node->_pre_process(new_path, new_parent, state, 0, p_seek, p_seek_root, p_connections);
}
@@ -596,6 +593,13 @@ bool AnimationTree::_update_caches(AnimationPlayer *player) {
track = track_value;
+ // If a value track without a key is cached first, the initial value cannot be determined.
+ // It is a corner case, but which may cause problems with blending.
+ ERR_CONTINUE_MSG(anim->track_get_key_count(i) == 0, "AnimationTree: '" + String(E) + "', value track: '" + String(path) + "' must have at least one key to cache for blending.");
+ track_value->init_value = anim->track_get_key_value(i, 0);
+ track_value->init_value.zero();
+
+ // If there is a Reset Animation, it takes precedence by overwriting.
if (has_reset_anim) {
int rt = reset_anim->find_track(path, track_type);
if (rt >= 0 && reset_anim->track_get_key_count(rt) > 0) {
@@ -955,8 +959,44 @@ void AnimationTree::_process_graph(double p_delta) {
if (!state.valid) {
return; //state is not valid. do nothing.
}
- //apply value/transform/bezier blends to track caches and execute method/audio/animation tracks
+ // Init all value/transform/blend/bezier tracks that track_cache has.
+ {
+ for (const KeyValue<NodePath, TrackCache *> &K : track_cache) {
+ TrackCache *track = K.value;
+
+ switch (track->type) {
+ case Animation::TYPE_POSITION_3D: {
+ TrackCacheTransform *t = static_cast<TrackCacheTransform *>(track);
+ if (track->root_motion) {
+ t->loc = Vector3(0, 0, 0);
+ t->rot = Quaternion(0, 0, 0, 1);
+ t->scale = Vector3(0, 0, 0);
+ } else {
+ t->loc = t->init_loc;
+ t->rot = t->init_rot;
+ t->scale = t->init_scale;
+ }
+ } break;
+ case Animation::TYPE_BLEND_SHAPE: {
+ TrackCacheBlendShape *t = static_cast<TrackCacheBlendShape *>(track);
+ t->value = t->init_value;
+ } break;
+ case Animation::TYPE_VALUE: {
+ TrackCacheValue *t = static_cast<TrackCacheValue *>(track);
+ t->value = t->init_value;
+ } break;
+ case Animation::TYPE_BEZIER: {
+ TrackCacheBezier *t = static_cast<TrackCacheBezier *>(track);
+ t->value = t->init_value;
+ } break;
+ default: {
+ } break;
+ }
+ }
+ }
+
+ // Apply value/transform/blend/bezier blends to track caches and execute method/audio/animation tracks.
{
bool can_call = is_inside_tree() && !Engine::get_singleton()->is_editor_hint();
@@ -968,7 +1008,7 @@ void AnimationTree::_process_graph(double p_delta) {
bool seeked = as.seeked;
int pingponged = as.pingponged;
#ifndef _3D_DISABLED
- bool backward = signbit(delta);
+ bool backward = signbit(delta); // This flag is required only for the root motion since it calculates the difference between the previous and current frames.
bool calc_root = !seeked || as.seek_root;
#endif // _3D_DISABLED
@@ -978,37 +1018,29 @@ void AnimationTree::_process_graph(double p_delta) {
}
NodePath path = a->track_get_path(i);
-
ERR_CONTINUE(!track_cache.has(path));
-
TrackCache *track = track_cache[path];
+ ERR_CONTINUE(!state.track_map.has(path));
+ int blend_idx = state.track_map[path];
+ ERR_CONTINUE(blend_idx < 0 || blend_idx >= state.track_count);
+ real_t blend = (*as.track_blends)[blend_idx] * weight;
+ if (blend < CMP_EPSILON) {
+ continue; // Nothing to blend.
+ }
+
Animation::TrackType ttype = a->track_get_type(i);
if (ttype != Animation::TYPE_POSITION_3D && ttype != Animation::TYPE_ROTATION_3D && ttype != Animation::TYPE_SCALE_3D && track->type != ttype) {
//broken animation, but avoid error spamming
continue;
}
-
track->root_motion = root_motion_track == path;
- ERR_CONTINUE(!state.track_map.has(path));
- int blend_idx = state.track_map[path];
-
- ERR_CONTINUE(blend_idx < 0 || blend_idx >= state.track_count);
-
- real_t blend = (*as.track_blends)[blend_idx] * weight;
-
switch (ttype) {
case Animation::TYPE_POSITION_3D: {
#ifndef _3D_DISABLED
TrackCacheTransform *t = static_cast<TrackCacheTransform *>(track);
if (track->root_motion && calc_root) {
- if (t->process_pass != process_pass) {
- t->process_pass = process_pass;
- t->loc = Vector3(0, 0, 0);
- t->rot = Quaternion(0, 0, 0, 1);
- t->scale = Vector3(0, 0, 0);
- }
double prev_time = time - delta;
if (!backward) {
if (prev_time < 0) {
@@ -1084,12 +1116,6 @@ void AnimationTree::_process_graph(double p_delta) {
prev_time = !backward ? 0 : (double)a->get_length();
} else {
- if (t->process_pass != process_pass) {
- t->process_pass = process_pass;
- t->loc = t->init_loc;
- t->rot = t->init_rot;
- t->scale = t->init_scale;
- }
Vector3 loc;
Error err = a->position_track_interpolate(i, time, &loc);
@@ -1106,12 +1132,6 @@ void AnimationTree::_process_graph(double p_delta) {
#ifndef _3D_DISABLED
TrackCacheTransform *t = static_cast<TrackCacheTransform *>(track);
if (track->root_motion && calc_root) {
- if (t->process_pass != process_pass) {
- t->process_pass = process_pass;
- t->loc = Vector3(0, 0, 0);
- t->rot = Quaternion(0, 0, 0, 1);
- t->scale = Vector3(0, 0, 0);
- }
double prev_time = time - delta;
if (!backward) {
if (prev_time < 0) {
@@ -1186,12 +1206,6 @@ void AnimationTree::_process_graph(double p_delta) {
prev_time = !backward ? 0 : (double)a->get_length();
} else {
- if (t->process_pass != process_pass) {
- t->process_pass = process_pass;
- t->loc = t->init_loc;
- t->rot = t->init_rot;
- t->scale = t->init_scale;
- }
Quaternion rot;
Error err = a->rotation_track_interpolate(i, time, &rot);
@@ -1208,12 +1222,6 @@ void AnimationTree::_process_graph(double p_delta) {
#ifndef _3D_DISABLED
TrackCacheTransform *t = static_cast<TrackCacheTransform *>(track);
if (track->root_motion && calc_root) {
- if (t->process_pass != process_pass) {
- t->process_pass = process_pass;
- t->loc = Vector3(0, 0, 0);
- t->rot = Quaternion(0, 0, 0, 1);
- t->scale = Vector3(0, 0, 0);
- }
double prev_time = time - delta;
if (!backward) {
if (prev_time < 0) {
@@ -1289,12 +1297,6 @@ void AnimationTree::_process_graph(double p_delta) {
prev_time = !backward ? 0 : (double)a->get_length();
} else {
- if (t->process_pass != process_pass) {
- t->process_pass = process_pass;
- t->loc = t->init_loc;
- t->rot = t->init_rot;
- t->scale = t->init_scale;
- }
Vector3 scale;
Error err = a->scale_track_interpolate(i, time, &scale);
@@ -1311,11 +1313,6 @@ void AnimationTree::_process_graph(double p_delta) {
#ifndef _3D_DISABLED
TrackCacheBlendShape *t = static_cast<TrackCacheBlendShape *>(track);
- if (t->process_pass != process_pass) {
- t->process_pass = process_pass;
- t->value = t->init_value;
- }
-
float value;
Error err = a->blend_shape_track_interpolate(i, time, &value);
@@ -1342,15 +1339,6 @@ void AnimationTree::_process_graph(double p_delta) {
continue;
}
- if (t->process_pass != process_pass) {
- t->process_pass = process_pass;
- if (!t->init_value) {
- t->init_value = value;
- t->init_value.zero();
- }
- t->value = t->init_value;
- }
-
// Special case for angle interpolation.
if (t->is_using_angle) {
// For blending consistency, it prevents rotation of more than 180 degrees from init_value.
@@ -1379,10 +1367,6 @@ void AnimationTree::_process_graph(double p_delta) {
}
}
} else {
- if (blend < CMP_EPSILON) {
- continue; //nothing to blend
- }
-
if (seeked) {
int idx = a->track_find_key(i, time);
if (idx < 0) {
@@ -1404,9 +1388,6 @@ void AnimationTree::_process_graph(double p_delta) {
} break;
case Animation::TYPE_METHOD: {
- if (blend < CMP_EPSILON) {
- continue; //nothing to blend
- }
TrackCacheMethod *t = static_cast<TrackCacheMethod *>(track);
if (seeked) {
@@ -1437,17 +1418,9 @@ void AnimationTree::_process_graph(double p_delta) {
real_t bezier = a->bezier_track_interpolate(i, time);
bezier = _post_process_key_value(a, i, bezier, t->object);
- if (t->process_pass != process_pass) {
- t->process_pass = process_pass;
- t->value = t->init_value;
- }
-
t->value += (bezier - t->init_value) * blend;
} break;
case Animation::TYPE_AUDIO: {
- if (blend < CMP_EPSILON) {
- continue; //nothing to blend
- }
TrackCacheAudio *t = static_cast<TrackCacheAudio *>(track);
if (seeked) {
@@ -1555,9 +1528,6 @@ void AnimationTree::_process_graph(double p_delta) {
t->object->call(SNAME("set_volume_db"), db);
} break;
case Animation::TYPE_ANIMATION: {
- if (blend < CMP_EPSILON) {
- continue; //nothing to blend
- }
TrackCacheAnimation *t = static_cast<TrackCacheAnimation *>(track);
AnimationPlayer *player2 = Object::cast_to<AnimationPlayer>(t->object);
@@ -1639,9 +1609,6 @@ void AnimationTree::_process_graph(double p_delta) {
// finally, set the tracks
for (const KeyValue<NodePath, TrackCache *> &K : track_cache) {
TrackCache *track = K.value;
- if (track->process_pass != process_pass) {
- continue; //not processed, ignore
- }
switch (track->type) {
case Animation::TYPE_POSITION_3D: {