maobo/cup_edit
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

allow removing animation components and dont stash initial joint transforms when creating bone animations

Browse Source
This commit is contained in:
Nick Fisher
2024-06-01 12:31:59 +08:00
parent 5db72f15ea
commit 7d54eadaa8
1 changed files with 56 additions and 35 deletions
Download Patch File Download Diff File Expand all files Collapse all files

91
dart_filament/native/include/components/AnimationComponentManager.hpp
View File

@@ -71,7 +71,6 @@ namespace flutter_filament
struct BoneAnimation : AnimationStatus
{
size_t boneIndex;
std::vector<utils::Entity> meshTargets;
size_t skinIndex = 0;
int lengthInFrames;
float frameLengthInMs = 0;
@@ -113,15 +112,15 @@ namespace flutter_filament
if (std::holds_alternative<FilamentInstance *>(target))
{
auto instance = std::get<FilamentInstance *>(target);
const auto joints = instance->getJointsAt(0);
// const auto joints = instance->getJointsAt(0);
for (int i = 0; i < instance->getJointCountAt(0); i++)
{
const auto joint = joints[i];
const auto &jointTransformInstance = _transformManager.getInstance(joint);
const auto &jointTransform = _transformManager.getTransform(jointTransformInstance);
animationComponent.initialJointTransforms.push_back(jointTransform);
}
// for (int i = 0; i < instance->getJointCountAt(0); i++)
// {
// const auto joint = joints[i];
// const auto &jointTransformInstance = _transformManager.getInstance(joint);
// const auto &jointTransform = _transformManager.getTransform(jointTransformInstance);
// animationComponent.initialJointTransforms.push_back(jointTransform);
// }
componentInstance = addComponent(instance->getRoot());
}
else
@@ -132,6 +131,26 @@ namespace flutter_filament
this->elementAt<0>(componentInstance) = animationComponent;
}
void removeAnimationComponent(std::variant<FilamentInstance *, Entity> target)
{
AnimationComponent animationComponent;
animationComponent.target = target;
EntityInstanceBase::Type componentInstance;
if (std::holds_alternative<FilamentInstance *>(target))
{
auto instance = std::get<FilamentInstance *>(target);
if(hasComponent(instance->getRoot())) {
removeComponent(instance->getRoot());
}
} else {
auto entity = std::get<Entity>(target);
if(hasComponent(entity)) {
removeComponent(entity);
}
}
}
void update()
{
auto now = high_resolution_clock::now();
@@ -152,34 +171,36 @@ namespace flutter_filament
auto &gltfAnimations = animationComponent.gltfAnimations;
auto &boneAnimations = animationComponent.boneAnimations;
for (int i = ((int)gltfAnimations.size()) - 1; i >= 0; i--)
{
auto animationStatus = animationComponent.gltfAnimations[i];
auto elapsedInSecs = float(std::chrono::duration_cast<std::chrono::milliseconds>(now - animationStatus.start).count()) / 1000.0f;
if (!animationStatus.loop && elapsedInSecs >= animationStatus.durationInSecs)
if(gltfAnimations.size() > 0) {
for (int i = ((int)gltfAnimations.size()) - 1; i >= 0; i--)
{
animator->applyAnimation(animationStatus.index, animationStatus.durationInSecs - 0.001);
animator->updateBoneMatrices();
gltfAnimations.erase(gltfAnimations.begin() + i);
animationComponent.fadeGltfAnimationIndex = -1;
continue;
}
animator->applyAnimation(animationStatus.index, elapsedInSecs);
if (animationComponent.fadeGltfAnimationIndex != -1 && elapsedInSecs < animationComponent.fadeDuration)
{
// cross-fade
auto fadeFromTime = animationComponent.fadeOutAnimationStart + elapsedInSecs;
auto alpha = elapsedInSecs / animationComponent.fadeDuration;
animator->applyCrossFade(animationComponent.fadeGltfAnimationIndex, fadeFromTime, alpha);
auto animationStatus = animationComponent.gltfAnimations[i];
auto elapsedInSecs = float(std::chrono::duration_cast<std::chrono::milliseconds>(now - animationStatus.start).count()) / 1000.0f;
if (!animationStatus.loop && elapsedInSecs >= animationStatus.durationInSecs)
{
animator->applyAnimation(animationStatus.index, animationStatus.durationInSecs - 0.001);
animator->updateBoneMatrices();
gltfAnimations.erase(gltfAnimations.begin() + i);
animationComponent.fadeGltfAnimationIndex = -1;
continue;
}
animator->applyAnimation(animationStatus.index, elapsedInSecs);
if (animationComponent.fadeGltfAnimationIndex != -1 && elapsedInSecs < animationComponent.fadeDuration)
{
// cross-fade
auto fadeFromTime = animationComponent.fadeOutAnimationStart + elapsedInSecs;
auto alpha = elapsedInSecs / animationComponent.fadeDuration;
animator->applyCrossFade(animationComponent.fadeGltfAnimationIndex, fadeFromTime, alpha);
}
}
animator->updateBoneMatrices();
}
animator->updateBoneMatrices();
for (int i = (int)boneAnimations.size() - 1; i >= 0; i--)
{
auto animationStatus = boneAnimations[i];
@@ -188,6 +209,7 @@ namespace flutter_filament
if (!animationStatus.loop && elapsedInSecs >= animationStatus.durationInSecs)
{
Log("Bone animation %d finished", i);
boneAnimations.erase(boneAnimations.begin() + i);
continue;
}
@@ -197,7 +219,6 @@ namespace flutter_filament
int currFrame = static_cast<int>(elapsedFrames) % animationStatus.lengthInFrames;
float delta = elapsedFrames - currFrame;
int nextFrame = currFrame;
auto restLocalTransform = animationComponent.initialJointTransforms[animationStatus.boneIndex];
// offset from the end if reverse
if (animationStatus.reverse)
@@ -225,8 +246,8 @@ namespace flutter_filament
}
// simple linear interpolation
math::mat4f curr = (1 - delta) * (restLocalTransform * animationStatus.frameData[currFrame]);
math::mat4f next = delta * (restLocalTransform * animationStatus.frameData[nextFrame]);
math::mat4f curr = (1 - delta) * animationStatus.frameData[currFrame];
math::mat4f next = delta * animationStatus.frameData[nextFrame];
math::mat4f localTransform = curr + next;
const Entity joint = target->getJointsAt(animationStatus.skinIndex)[animationStatus.boneIndex];