fix dynamic bone animations

This commit is contained in:
Nick Fisher
2023-04-27 16:32:32 +08:00
parent d1e15b53c5
commit 62c4be0563
16 changed files with 538 additions and 520 deletions

View File

@@ -1,12 +1,13 @@
import 'dart:math';
import 'dart:typed_data';
import 'package:flutter/material.dart';
import 'package:vector_math/vector_math.dart' as v;
import 'package:polyvox_filament/filament_controller.dart';
import 'package:polyvox_filament/animations/bone_animation_data.dart';
import 'package:polyvox_filament/filament_gesture_detector.dart';
import 'package:polyvox_filament/filament_widget.dart';
import 'package:polyvox_filament/animations/animation_builder.dart';
import 'package:polyvox_filament/animations/animations.dart';
void main() {
runApp(const MyApp());
@@ -101,6 +102,7 @@ class _MyAppState extends State<MyApp> with SingleTickerProviderStateMixin {
break;
case 9:
for (int i = 0; i < _animationNames.length; i++) {
print("Playing animation ${_animationNames[i]}");
_filamentController.playAnimation(_cube!, i, loop: _loop);
}
@@ -202,15 +204,25 @@ class _MyAppState extends State<MyApp> with SingleTickerProviderStateMixin {
_filamentController.clearLights();
break;
case 32:
_filamentController.setCameraModelMatrix(List<double>.filled(16, 1.0));
var frameData = Float32List.fromList(
List<double>.generate(120, (i) => i / 120).expand((x) {
var vals = List<double>.filled(7, x);
vals[3] = 1.0;
// vals[4] = 0;
vals[5] = 0;
vals[6] = 0;
return vals;
}).toList());
// _filamentController.setBoneTransform(
// _cube!,
// "Bone.001",
// "Cube.001",
// BoneTransform([Vec3(x: 0, y: 0.0, z: 0.0)],
// [Quaternion(x: 1, y: 1, z: 1, w: 1)]));
break;
_filamentController.setBoneAnimation(_cube!, [
BoneAnimationData("Bone.001", "Cube.001", frameData, 1000.0 / 60.0)
]);
// ,
// "Bone.001",
// "Cube.001",
// BoneTransform([Vec3(x: 0, y: 0.0, z: 0.0)],
// [Quaternion(x: 1, y: 1, z: 1, w: 1)]));
// break;
}
}
@@ -260,9 +272,7 @@ class _MyAppState extends State<MyApp> with SingleTickerProviderStateMixin {
_item(value: 21, child: Text('swap cube texture')),
_item(value: 22, child: Text('transform to unit cube')),
_item(value: 23, child: Text('set position to 1, 1, -1')),
_item(
value: 32,
child: Text('set bone transform to 1, 1, -1')),
_item(value: 32, child: Text('construct bone animation')),
_item(value: 24, child: Text('rotate by pi around Y axis')),
_item(value: 5, child: Text('load flight helmet')),
_item(value: 6, child: Text('remove cube')),

View File

@@ -40,21 +40,22 @@ namespace polyvox {
size_t getLightEntityCount(EntityId e) const noexcept;
void updateAnimations();
bool setBoneAnimationBuffer(
EntityId entity,
int length,
const char** const boneNames,
const char** const meshNames,
const float* const frameData,
int numFrames,
float frameLengthInMs);
bool setMorphAnimationBuffer(
EntityId entity,
const char* entityName,
const float* const morphData,
EntityId entityId,
const char* entityName,
const float* const morphData,
int numMorphWeights,
int numFrames,
float frameLengthInMs);
bool setBoneAnimationBuffer(
EntityId entity,
const float* const frameData,
int numFrames,
int numBones,
const char** const boneNames,
const char* const meshName,
float frameLengthInMs);
void playAnimation(EntityId e, int index, bool loop, bool reverse);
void stopAnimation(EntityId e, int index);
void setMorphTargetWeights(const char* const entityName, float *weights, int count);
@@ -74,18 +75,15 @@ namespace polyvox {
vector<SceneAsset> _assets;
tsl::robin_map<EntityId, int> _entityIdLookup;
void setBoneTransform(
FilamentInstance* instance,
vector<BoneAnimationData> animations,
int frameNumber
);
utils::Entity findEntityByName(
SceneAsset asset,
const char* entityName
);
inline void updateTransform(SceneAsset asset);
inline void updateTransform(SceneAsset& asset);
inline void setBoneTransform(SceneAsset& asset, int frameNumber);
};

View File

@@ -57,29 +57,16 @@ bool set_morph_animation(
int numFrames,
float frameLengthInMs);
void set_bone_animation(
void set_bone_animation(
void* assetManager,
EntityId asset,
int length,
const char** const boneNames,
const char** const meshNames,
const float* const frameData,
int numFrames,
int numBones,
const char** const boneNames,
const char* const meshName,
float frameLengthInMs);
// void set_bone_transform(
// EntityId asset,
// const char* boneName,
// const char* entityName,
// float transX,
// float transY,
// float transZ,
// float quatX,
// float quatY,
// float quatZ,
// float quatW
// );
void play_animation(void* assetManager, EntityId asset, int index, bool loop, bool reverse);
void set_animation_frame(void* assetManager, EntityId asset, int animationIndex, int animationFrame);
void stop_animation(void* assetManager, EntityId asset, int index);

View File

@@ -7,6 +7,7 @@
#include <filament/Renderer.h>
#include <filament/Scene.h>
#include <filament/Texture.h>
#include <filament/TransformManager.h>
#include <math/vec3.h>
#include <math/vec4.h>
@@ -36,35 +37,6 @@ namespace polyvox {
bool mReverse = false;
float mDuration = 0;
bool mAnimating = false;
// AnimationStatus() {
// Log("default constr");
// }
// AnimationStatus(AnimationStatus& a) {
// mStart = a.mStart;
// mLoop = a.mLoop;
// mReverse = a.mReverse;
// mDuration = a.mDuration;
// mFrameNumber = a.mFrameNumber;
// }
// AnimationStatus& operator=(AnimationStatus a) {
// mStart = a.mStart;
// mLoop = a.mLoop;
// mReverse = a.mReverse;
// mDuration = a.mDuration;
// mFrameNumber = a.mFrameNumber;
// return *this;
// }
// AnimationStatus(AnimationStatus&& a) {
// mStart = a.mStart;
// mLoop = a.mLoop;
// mReverse = a.mReverse;
// mDuration = a.mDuration;
// mFrameNumber = a.mFrameNumber;
// }
};
//
@@ -78,24 +50,18 @@ namespace polyvox {
int mNumMorphWeights = 0;
};
///
/// Frame data for the bones/meshes specified by [mBoneIndices] and [mMeshTargets].
/// This is mainly used as a wrapper for animation data being transferred from the Dart to the native side.
///
struct BoneAnimationData {
size_t skinIndex = 0;
uint8_t mBoneIndex;
utils::Entity mMeshTarget;
vector<float> mFrameData;
};
//
// Use this to manually construct a buffer of frame data for bone animations.
// Use this to construct a dynamic (i.e. non-glTF embedded) bone animation.
// Only a single animation is supported at any time (i.e you can't blend animations).
// Multiple bones are supported but these must be skinned to a single mesh target.
//
struct BoneAnimationBuffer {
utils::Entity mMeshTarget;
vector<uint8_t> mBones;
size_t skinIndex = 0;
int mNumFrames = -1;
float mFrameLengthInMs = 0;
vector<BoneAnimationData> mAnimations;
vector<float> mFrameData;
};
struct SceneAsset {
@@ -129,10 +95,12 @@ namespace polyvox {
mAnimations.resize(2 + mAnimator->getAnimationCount());
for(int i=2; i < mAnimations.size(); i++) {
mAnimations[i].mDuration = mAnimator->getAnimationDuration(i-2);
for(int i=0; i < mAnimations.size() - 2; i++) {
mAnimations[i].mDuration = mAnimator->getAnimationDuration(i);
}
}
};
}

View File

@@ -18,7 +18,7 @@ namespace polyvox {
public:
FileMaterialProvider(Engine* engine, void* const data, size_t size) {
FileMaterialProvider(Engine* engine, const void* const data, const size_t size) {
_m = Material::Builder()
.package(data, size)
.build(*engine);

View File

@@ -52,8 +52,13 @@ AssetManager::AssetManager(ResourceLoaderWrapper* resourceLoaderWrapper,
_ubershaderProvider = gltfio::createUbershaderProvider(
_engine, UBERARCHIVE_DEFAULT_DATA, UBERARCHIVE_DEFAULT_SIZE);
EntityManager &em = EntityManager::get();
_assetLoader = AssetLoader::create({_engine, _ubershaderProvider, _ncm, &em });
_unlitProvider = new UnlitMaterialProvider(_engine);
// auto rb = _resourceLoaderWrapper->load("file:///mnt/hdd_2tb/home/hydroxide/projects/polyvox/flutter/polyvox_filament/materials/toon.filamat");
// auto toonProvider = new FileMaterialProvider(_engine, rb.data, (size_t) rb.size);
_assetLoader = AssetLoader::create({_engine, _ubershaderProvider, _ncm, &em });
_gltfResourceLoader->addTextureProvider("image/png", _stbDecoder);
_gltfResourceLoader->addTextureProvider("image/jpeg", _stbDecoder);
@@ -213,13 +218,43 @@ void AssetManager::updateAnimations() {
RenderableManager &rm = _engine->getRenderableManager();
for (auto& asset : _assets) {
if(!asset.mAnimating) {
continue;
}
asset.mAnimating = false;
// GLTF animations
for(int j = 0; j < asset.mAnimations.size() - 2; j++) {
AnimationStatus& anim = asset.mAnimations[j];
if(!anim.mAnimating) {
// Log("Skipping anim at %d", j);
continue;
}
auto elapsed = float(std::chrono::duration_cast<std::chrono::milliseconds>(now - anim.mStart).count()) / 1000.0f;
if(anim.mLoop || elapsed < anim.mDuration) {
asset.mAnimator->applyAnimation(j, elapsed);
asset.mAnimating = true;
// Log("Applying at %f", elapsed);
} else if(elapsed - anim.mDuration < 0.3) {
// cross-fade
// animator->applyCrossFade(j-2, anim.mDuration - 0.05, elapsed / 0.3);
// asset.mAnimating = true;
// anim.mStart = time_point_t::max();
} else {
// stop
anim.mStart = time_point_t::max();
anim.mAnimating = false;
Log("Finished");
}
asset.mAnimator->updateBoneMatrices();
}
// dynamically constructed morph animation
AnimationStatus& morphAnimation = asset.mAnimations[0];
AnimationStatus& morphAnimation = asset.mAnimations[asset.mAnimations.size() - 2];
if(morphAnimation.mAnimating) {
@@ -254,70 +289,109 @@ void AssetManager::updateAnimations() {
}
}
// // bone animation
// AnimationStatus boneAnimation = asset.mAnimations[1];
// elapsed = (now - boneAnimation.mStart).count();
// bone animation
AnimationStatus boneAnimation = asset.mAnimations[asset.mAnimations.size() - 1];
if(boneAnimation.mAnimating) {
auto elapsed = float(
std::chrono::duration_cast<std::chrono::milliseconds>(
now - boneAnimation.mStart
).count()) / 1000.0f;
int lengthInFrames = static_cast<int>(
boneAnimation.mDuration * 1000.0f /
asset.mBoneAnimationBuffer.mFrameLengthInMs
);
// lengthInFrames = static_cast<int>(boneAnimation.mDuration / asset.mBoneAnimationBuffer.mFrameLengthInMs);
// if more time has elapsed than the animation duration && not looping
// mark the animation as complete
if(elapsed >= boneAnimation.mDuration && !boneAnimation.mLoop) {
boneAnimation.mStart = time_point_t::max();
boneAnimation.mAnimating = false;
Log("FINISHED");
} else {
// if(elapsed >= boneAnimation.mDuration) {
// if(boneAnimation.mLoop) {
// boneAnimation.mStart = now;
// if(boneAnimation.mReverse) {
// boneAnimation.mFrameNumber = lengthInFrames;
// }
// asset.mAnimating = true;
// } else {
// boneAnimation.mStart = time_point_t::max();
// }
// } else {
// asset.mAnimating = true;
// }
asset.mAnimating = true;
int frameNumber = static_cast<int>(elapsed * 1000.0f / asset.mBoneAnimationBuffer.mFrameLengthInMs) % lengthInFrames;
// frameNumber = static_cast<int>(elapsed / asset.mBoneAnimationBuffer.mFrameLengthInMs);
// if(frameNumber < lengthInFrames) {
// if(boneAnimation.mReverse) {
// frameNumber = lengthInFrames - frameNumber;
// }
// boneAnimation.mFrameNumber = frameNumber;
// setBoneTransform(
// asset.mAsset->getInstance(),
// asset.mBoneAnimationBuffer.mAnimations,
// frameNumber
// );
// }
// offset from the end if reverse
if(boneAnimation.mReverse) {
frameNumber = lengthInFrames - frameNumber;
}
// GLTF animations
int j = -1;
for(AnimationStatus& anim : asset.mAnimations) {
j++;
if(j < 2) {
continue;
}
if(!anim.mAnimating) {
continue;
}
auto elapsed = float(std::chrono::duration_cast<std::chrono::milliseconds>(now - anim.mStart).count()) / 1000.0f;
if(anim.mLoop || elapsed < anim.mDuration) {
asset.mAnimator->applyAnimation(j-2, elapsed);
asset.mAnimating = true;
} else if(elapsed - anim.mDuration < 0.3) {
// cross-fade
// animator->applyCrossFade(j-2, anim.mDuration - 0.05, elapsed / 0.3);
// asset.mAnimating = true;
// anim.mStart = time_point_t::max();
} else {
// stop
anim.mStart = time_point_t::max();
setBoneTransform(
asset,
frameNumber
);
}
}
if(asset.mAnimating) {
asset.mAnimator->updateBoneMatrices();
}
}
}
void AssetManager::setBoneTransform(SceneAsset& asset, int frameNumber) {
RenderableManager& rm = _engine->getRenderableManager();
const auto& filamentInstance = asset.mAsset->getInstance();
TransformManager &transformManager = _engine->getTransformManager();
int skinIndex = 0;
math::mat4f inverseGlobalTransform = inverse(
transformManager.getWorldTransform(
transformManager.getInstance(asset.mBoneAnimationBuffer.mMeshTarget)
)
);
auto renderable = rm.getInstance(asset.mBoneAnimationBuffer.mMeshTarget);
for(int i = 0; i < asset.mBoneAnimationBuffer.mBones.size(); i++) {
auto mBoneIndex = asset.mBoneAnimationBuffer.mBones[i];
auto frameDataOffset = (frameNumber * asset.mBoneAnimationBuffer.mBones.size() * 7) + asset.mBoneAnimationBuffer.mBones[i];
utils::Entity joint = filamentInstance->getJointsAt(skinIndex)[mBoneIndex];
if(joint.isNull()) {
Log("ERROR : joint not found");
continue;
}
// RenderableManager::Bone bone { math::quatf{
// asset.mBoneAnimationBuffer.mFrameData[frameDataOffset+6],
// asset.mBoneAnimationBuffer.mFrameData[frameDataOffset+3],
// asset.mBoneAnimationBuffer.mFrameData[frameDataOffset+4],
// asset.mBoneAnimationBuffer.mFrameData[frameDataOffset+5]
// },
// math::float3 {
// asset.mBoneAnimationBuffer.mFrameData[frameDataOffset+0],
// asset.mBoneAnimationBuffer.mFrameData[frameDataOffset+1],
// asset.mBoneAnimationBuffer.mFrameData[frameDataOffset+2]
// }
// };
// rm.setBones(
// renderable,
// &bone,
// 1,
// mBoneIndex
// );
const math::mat4f localTransform(math::quatf{
asset.mBoneAnimationBuffer.mFrameData[frameDataOffset+3],
asset.mBoneAnimationBuffer.mFrameData[frameDataOffset+4],
asset.mBoneAnimationBuffer.mFrameData[frameDataOffset+5],
asset.mBoneAnimationBuffer.mFrameData[frameDataOffset+6]
});
const math::mat4f& inverseBindMatrix = filamentInstance->getInverseBindMatricesAt(skinIndex)[mBoneIndex];
auto jointInstance = transformManager.getInstance(joint);
math::mat4f globalJointTransform = transformManager.getWorldTransform(jointInstance);
math::mat4f boneTransform = inverseGlobalTransform * globalJointTransform * inverseBindMatrix * localTransform;
rm.setBones(
renderable,
&boneTransform,
1,
mBoneIndex
);
}
}
@@ -394,7 +468,7 @@ bool AssetManager::setMorphAnimationBuffer(
asset.mMorphAnimationBuffer.mFrameLengthInMs = frameLengthInMs;
asset.mMorphAnimationBuffer.mNumMorphWeights = numMorphWeights;
AnimationStatus& animation = asset.mAnimations[0];
AnimationStatus& animation = asset.mAnimations[asset.mAnimations.size() - 2];
animation.mDuration = (frameLengthInMs * numFrames) / 1000.0f;
animation.mStart = high_resolution_clock::now();
animation.mAnimating = true;
@@ -407,21 +481,27 @@ bool AssetManager::setMorphAnimationBuffer(
}
bool AssetManager::setBoneAnimationBuffer(
EntityId entity,
int length,
const char** const boneNames,
const char** const meshNames,
EntityId entityId,
const float* const frameData,
int numFrames,
int numBones,
const char** const boneNames,
const char* const meshName,
float frameLengthInMs) {
const auto& pos = _entityIdLookup.find(entity);
const auto& pos = _entityIdLookup.find(entityId);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return false;
}
auto& asset = _assets[pos->second];
auto entity = findEntityByName(asset, meshName);
if(!entity) {
Log("Mesh target %s for bone animation could not be found", meshName);
return false;
}
auto filamentInstance = asset.mAsset->getInstance();
size_t skinCount = filamentInstance->getSkinCount();
@@ -433,92 +513,60 @@ bool AssetManager::setBoneAnimationBuffer(
int skinIndex = 0;
const utils::Entity* joints = filamentInstance->getJointsAt(skinIndex);
size_t numJoints = filamentInstance->getJointCountAt(skinIndex);
vector<int> boneIndices;
for(int i = 0; i < length; i++) {
asset.mBoneAnimationBuffer.mBones.clear();
for(int i = 0; i < numBones; i++) {
Log("Bone %s", boneNames[i]);
for(int j = 0; j < numJoints; j++) {
const char* jointName = _ncm->getName(_ncm->getInstance(joints[j]));
if(strcmp(jointName, boneNames[i]) == 0) {
boneIndices.push_back(j);
if(strcmp(jointName, boneNames[i]) == 0) {
asset.mBoneAnimationBuffer.mBones.push_back(j);
break;
}
}
}
if(boneIndices.size() != length) {
if(asset.mBoneAnimationBuffer.mBones.size() != numBones) {
Log("Failed to find one or more bone indices");
return false;
}
asset.mBoneAnimationBuffer.mAnimations.clear();
for(int i = 0; i < length; i++) {
BoneAnimationData boneAnimationData;
boneAnimationData.mBoneIndex = boneIndices[i];
asset.mBoneAnimationBuffer.mFrameData.clear();
// 7 == locX, locY, locZ, rotW, rotX, rotY, rotZ
asset.mBoneAnimationBuffer.mFrameData.resize(numFrames * numBones * 7);
asset.mBoneAnimationBuffer.mFrameData.insert(
asset.mBoneAnimationBuffer.mFrameData.begin(),
frameData,
frameData + numFrames * numBones * 7
);
auto entity = findEntityByName(asset, meshNames[i]);
Log("%d frames for %d bones", numFrames, numBones);
if(!entity) {
Log("Mesh target %s for bone animation could not be found", meshNames[i]);
return false;
}
// for(int i = 0; i < numFrames * numBones * 7; i++) {
// Log("Frame data @ %d is %f", i, frameData[i]);
// }
asset.mBoneAnimationBuffer.mFrameLengthInMs = frameLengthInMs;
asset.mBoneAnimationBuffer.mNumFrames = numFrames;
boneAnimationData.mMeshTarget = entity;
asset.mBoneAnimationBuffer.mMeshTarget = entity;
auto& animation = asset.mAnimations[asset.mAnimations.size() - 1];
animation.mStart = std::chrono::high_resolution_clock::now();
animation.mAnimating = true;
animation.mReverse = false;
animation.mDuration = (frameLengthInMs * numFrames) / 1000.0f;
asset.mAnimating = true;
boneAnimationData.mFrameData.insert(
boneAnimationData.mFrameData.begin(),
frameData[i * numFrames * 7 * sizeof(float)], // 7 == x, y, z, w + three euler angles
frameData[(i+1) * numFrames * 7 * sizeof(float)]
);
// // Log(", set start to %f and duration to %f", );
// Log("Successfully set bone animation buffer, set start to %d, dur is %f",
// std::chrono::duration_cast<std::chrono::milliseconds>(asset.mAnimations[1].mStart.time_since_epoch()).count(),
// asset.mAnimations[1].mDuration
// );
asset.mBoneAnimationBuffer.mAnimations.push_back(boneAnimationData);
}
return true;
}
void AssetManager::setBoneTransform(
FilamentInstance* filamentInstance,
vector<BoneAnimationData> animations,
int frameNumber) {
RenderableManager &rm = _engine->getRenderableManager();
TransformManager &transformManager = _engine->getTransformManager();
auto frameDataOffset = frameNumber * 7;
int skinIndex = 0;
for(auto& animation : animations) {
math::mat4f inverseGlobalTransform = inverse(
transformManager.getWorldTransform(
transformManager.getInstance(animation.mMeshTarget)
)
);
utils::Entity joint = filamentInstance->getJointsAt(skinIndex)[animation.mBoneIndex];
math::mat4f localTransform(math::quatf{
animation.mFrameData[frameDataOffset+6],
animation.mFrameData[frameDataOffset+3],
animation.mFrameData[frameDataOffset+4],
animation.mFrameData[frameDataOffset+5]
});
const math::mat4f& inverseBindMatrix = filamentInstance->getInverseBindMatricesAt(animation.skinIndex)[animation.mBoneIndex];
auto jointInstance = transformManager.getInstance(joint);
math::mat4f globalJointTransform = transformManager.getWorldTransform(jointInstance);
math::mat4f boneTransform = inverseGlobalTransform * globalJointTransform * localTransform * inverseBindMatrix;
auto renderable = rm.getInstance(animation.mMeshTarget);
rm.setBones(
renderable,
&boneTransform,
1,
animation.mBoneIndex
);
}
}
void AssetManager::playAnimation(EntityId e, int index, bool loop, bool reverse) {
const auto& pos = _entityIdLookup.find(e);
@@ -527,11 +575,12 @@ void AssetManager::playAnimation(EntityId e, int index, bool loop, bool reverse)
return;
}
auto& asset = _assets[pos->second];
asset.mAnimations[index+2].mAnimating = true;
asset.mAnimations[index+2].mStart = std::chrono::high_resolution_clock::now();
asset.mAnimations[index+2].mLoop = loop;
asset.mAnimations[index+2].mReverse = reverse;
Log("Playing animation at %d", index);
asset.mAnimations[index].mStart = std::chrono::high_resolution_clock::now();
asset.mAnimations[index].mLoop = loop;
asset.mAnimations[index].mReverse = reverse;
asset.mAnimations[index].mAnimating = true;
// Log("new start %d, dur is %f", std::chrono::duration_cast<std::chrono::milliseconds>(asset.mAnimations[index+2].mStart.time_since_epoch()).count(), asset.mAnimations[index+2].mDuration);
asset.mAnimating = true;
}
@@ -543,7 +592,7 @@ void AssetManager::stopAnimation(EntityId entityId, int index) {
return;
}
auto& asset = _assets[pos->second];
asset.mAnimations[index+2].mStart = time_point_t::max();
asset.mAnimations[index].mStart = time_point_t::max();
}
void AssetManager::loadTexture(EntityId entity, const char* resourcePath, int renderableIndex) {
@@ -702,7 +751,7 @@ void AssetManager::transformToUnitCube(EntityId entity) {
tm.setTransform(tm.getInstance(inst->getRoot()), transform);
}
void AssetManager::updateTransform(SceneAsset asset) {
void AssetManager::updateTransform(SceneAsset& asset) {
auto &tm = _engine->getTransformManager();
auto transform =
asset.mPosition * asset.mRotation * math::mat4f::scaling(asset.mScale);

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@@ -358,20 +358,20 @@ extern "C" {
FLUTTER_PLUGIN_EXPORT void set_bone_animation(
void* assetManager,
EntityId asset,
int length,
const char** const boneNames,
const char** const meshNames,
const float* const frameData,
int numFrames,
int numBones,
const char** const boneNames,
const char* const meshName,
float frameLengthInMs) {
//std::packaged_task<void()> lambda([=]() mutable {
((AssetManager*)assetManager)->setBoneAnimationBuffer(
asset,
length,
boneNames,
meshNames,
frameData,
numFrames,
numFrames,
numBones,
boneNames,
meshName,
frameLengthInMs
);
//});
@@ -417,7 +417,6 @@ extern "C" {
bool reverse) {
//std::packaged_task<void()> lambda([=]() mutable {
std::cout << "Playing animation" << std::endl;
((AssetManager*)assetManager)->playAnimation(asset, index, loop, reverse);
//});
// auto fut = _tp->add_task(lambda);

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@@ -7,7 +7,7 @@ import 'package:vector_math/vector_math.dart';
class AnimationBuilder {
final FilamentController controller;
BoneAnimationData? BoneAnimationData;
// BoneAnimationData? BoneAnimationData;
double _frameLengthInMs = 0;
double _duration = 0;
@@ -16,7 +16,7 @@ class AnimationBuilder {
double? _interpMorphStartValue;
double? _interpMorphEndValue;
List<BoneAnimationData>? _BoneAnimationDatas = null;
// List<BoneAnimationData>? _BoneAnimationDatas = null;
FilamentEntity asset;
String meshName;

View File

@@ -5,6 +5,7 @@ import 'package:vector_math/vector_math.dart';
/// Model class for bone animation frame data.
/// To create dynamic/runtime bone animations (as distinct from animations embedded in a glTF asset), create an instance containing the relevant
/// data and pass to the [setBoneAnimation] method on a [FilamentController].
/// [frameData] is laid out as [locX, locY, locZ, rotW, rotX, rotY, rotZ]
///
class BoneAnimationData {
final String boneName;

View File

@@ -13,45 +13,64 @@ import 'package:vector_math/vector_math.dart';
/// 4) min/max rotation values (corresponding to -1/1 on the blendshape)
///
class Transformation {
final Quaternion rotation;
late final Vector3 translation;
Transformation(this.rotation, {Vector3? translation}) {
this.translation = translation ?? Vector3.zero();
}
}
class BoneDriver {
final String bone;
final String blendshape;
final Map<String, Transformation>
transformations; // maps a blendshape key to a Transformation
late final Vector3 transMin;
late final Vector3 transMax;
late final Quaternion rotMin;
late final Quaternion rotMax;
BoneDriver(this.bone, this.blendshape, this.rotMin, this.rotMax,
Vector3? transMin, Vector3? transMax) {
this.transMin = transMin ?? Vector3.zero();
this.transMax = transMax ?? Vector3.zero();
}
factory BoneDriver.fromJsonObject(dynamic jsonObject) {
return BoneDriver(
jsonObject["bone"],
jsonObject["blendshape"],
Quaternion.fromFloat32List(Float32List.fromList(jsonObject["rotMin"])),
Quaternion.fromFloat32List(Float32List.fromList(jsonObject["rotMax"])),
Vector3.fromFloat32List(Float32List.fromList(jsonObject["transMin"])),
Vector3.fromFloat32List(Float32List.fromList(jsonObject["transMax"])),
);
}
BoneDriver(this.bone, this.transformations);
//
// Accepts a Float32List containing [numFrames] frames of data for a single morph target weight (for efficiency, this must be unravelled to a single contiguous Float32List).
// Returns a generator that yields [numFrames] Quaternions, each representing the (weighted) rotation/translation specified by the mapping of this BoneDriver.
//
Iterable<Quaternion> transform(List<double> morphTargetFrameData) sync* {
for (int i = 0; i < morphTargetFrameData.length; i++) {
var weight = (morphTargetFrameData[i] / 2) + 0.5;
Iterable<Quaternion> transform(
Map<String, List<double>> morphTargetFrameData) sync* {
assert(setEquals(
morphTargetFrameData.keys.toSet(), transformations.keys.toSet()));
var numFrames = morphTargetFrameData.values.first.length;
assert(morphTargetFrameData.values.every((x) => x.length == numFrames));
for (int frameNum = 0; frameNum < numFrames; frameNum++) {
var rotations = transformations.keys.map((blendshape) {
var weight = morphTargetFrameData[blendshape]![frameNum];
var rotation = transformations[blendshape]!.rotation.clone();
rotation.x *= weight;
rotation.y *= weight;
rotation.z *= weight;
return rotation;
}).toList();
yield Quaternion(
rotMin.x + (weight * (rotMax.x - rotMin.x)),
rotMin.y + (weight * (rotMax.y - rotMin.y)),
rotMin.z + (weight * (rotMax.z - rotMin.z)),
1.0);
yield rotations.fold(
rotations.first, (Quaternion a, Quaternion b) => a * b);
// todo - bone translations
}
}
factory BoneDriver.fromJsonObject(dynamic jsonObject) {
throw Exception("TODO");
// return BoneDriver(
// jsonObject["bone"],
// Map<String,Transformation>.fromIterable(jsonObject["blendshape"].map((bsName, quats) {
// var q = quats.map(())
// MapEntry(k,
}
}
// }
// yield Quaternion(
// rotMin.x + (weight * (rotMax.x - rotMin.x)),
// rotMin.y + (weight * (rotMax.y - rotMin.y)),
// rotMin.z + (weight * (rotMax.z - rotMin.z)),
// 1.0);

View File

@@ -15,40 +15,52 @@ class DynamicAnimation {
final List<BoneAnimationData> boneAnimation;
factory DynamicAnimation.load(String meshName, String csvPath,
{String? boneDriverConfigPath}) {
{List<BoneDriver>? boneDrivers,
String? boneDriverConfigPath,
double? framerate}) {
// create a MorphAnimationData instance from the given CSV
var llf = _loadLiveLinkFaceCSV(csvPath);
var frameLengthInMs = 1000 / (framerate ?? 60.0);
var morphNames = llf
.item1; //.where((name) => !boneDrivers.any((element) => element.blendshape == name));
var morphAnimationData = MorphAnimationData(
meshName,
llf.item2,
morphNames,
1000 / 60.0,
);
var morphAnimationData =
MorphAnimationData(meshName, llf.item2, morphNames, frameLengthInMs);
final boneAnimations = <BoneAnimationData>[];
// if applicable, load the bone driver config
if (boneDriverConfigPath != null) {
var boneData = json.decode(File(boneDriverConfigPath).readAsStringSync());
// for each driver
for (var key in boneData.keys()) {
var driver = BoneDriver.fromJsonObject(boneData[key]);
if (boneDrivers != null) {
throw Exception(
"Specify either boneDrivers, or the config path, not both");
}
boneDrivers = [
json
.decode(File(boneDriverConfigPath).readAsStringSync())
.map(BoneDriver.fromJsonObject)
.toList()
];
}
// iterate over every bone driver
if (boneDrivers != null) {
for (var driver in boneDrivers) {
// get all frames for the single the blendshape
var morphFrameData =
morphAnimationData.getData(driver.blendshape).toList();
var morphData = driver.transformations
.map((String blendshape, Transformation transformation) {
return MapEntry(
blendshape, morphAnimationData.getData(blendshape).toList());
});
// apply the driver to the blendshape weight
var transformedQ = driver.transform(morphFrameData).toList();
var transformedQ = driver.transform(morphData).toList();
// transform the quaternion to a Float32List
var transformedF = _quaternionToFloatList(transformedQ);
// add to the list of boneAnimations
boneAnimations.add(BoneAnimationData(
driver.bone, meshName, transformedF, 1000.0 / 60.0));
driver.bone, meshName, transformedF, frameLengthInMs));
}
}
@@ -56,9 +68,11 @@ class DynamicAnimation {
}
static Float32List _quaternionToFloatList(List<Quaternion> quats) {
var data = Float32List(quats.length * 4);
var data = Float32List(quats.length * 7);
int i = 0;
for (var quat in quats) {
data.addAll([0, 0, 0, quat.w, quat.x, quat.y, quat.z]);
data.setRange(i, i + 7, [0, 0, 0, quat.w, quat.x, quat.y, quat.z]);
i += 7;
}
return data;
}
@@ -86,7 +100,7 @@ class DynamicAnimation {
// CSVs may contain rows where the "BlendShapeCount" column is set to "0" and/or the weight columns are simply missing.
// This can happen when something went wrong while recording via an app (e.g. LiveLinkFace)
// Whenever we encounter this type of row, we consider that all weights should be set to zero for that frame.
if (numFrameWeights == int.parse(frame[1])) {
if (numFrameWeights != int.parse(frame[1])) {
_data.addAll(List<double>.filled(numBlendShapes, 0.0));
continue;
}

View File

@@ -0,0 +1,12 @@
import 'dart:math';
import 'package:polyvox_filament/animations/bone_driver.dart';
import 'package:vector_math/vector_math.dart';
BoneDriver getLiveLinkFaceBoneDrivers(String bone) {
return BoneDriver(bone, {
"HeadPitch": Transformation(Quaternion.axisAngle(Vector3(1, 0, 0), pi / 2)),
"HeadRoll": Transformation(Quaternion.axisAngle(Vector3(0, 0, 1), pi / 2)),
"HeadYaw": Transformation(Quaternion.axisAngle(Vector3(0, 1, 0), pi / 2)),
});
}

View File

@@ -24,8 +24,9 @@ class MorphAnimationData {
final double frameLengthInMs;
Iterable<double> getData(String morphName) sync* {
int index = morphNames.indexOf(morphName);
for (int i = 0; i < numFrames; i++) {
yield data[i * numMorphWeights];
yield data[(i * numMorphWeights) + index];
}
}
}

View File

@@ -323,15 +323,19 @@ class FilamentController {
///
void setBoneAnimation(
FilamentEntity asset, List<BoneAnimationData> animations) async {
// for future compatibility, instances of BoneAnimationData can specify individual mesh targets
// however on the rendering side we currently only allow one set of frame data for one mesh target (though multiple bones are supported).
// this is a check that all animations are targeting the same mesh
assert(animations.map((e) => e.meshName).toSet().length == 1);
var data =
calloc<Float>(animations.length * animations.first.frameData.length);
int offset = 0;
var numFrames = animations.first.frameData.length;
var meshNames = calloc<Pointer<Char>>(animations.length);
var numFrames = animations.first.frameData.length ~/ 7;
var boneNames = calloc<Pointer<Char>>(animations.length);
int animIdx = 0;
for (var animation in animations) {
if (animation.frameData.length != numFrames) {
if (animation.frameData.length ~/ 7 != numFrames) {
throw Exception(
"All bone animations must share the same animation frame data length.");
}
@@ -339,20 +343,19 @@ class FilamentController {
data.elementAt(offset).value = animation.frameData[i];
offset += 1;
}
meshNames.elementAt(animIdx).value =
animation.meshName.toNativeUtf8().cast<Char>();
boneNames.elementAt(animIdx).value =
animation.boneName.toNativeUtf8().cast<Char>();
animIdx++;
}
_nativeLibrary.set_bone_animation(
_assetManager,
asset,
animations.length,
boneNames,
meshNames,
data,
numFrames,
animations.length,
boneNames,
animations.first.meshName.toNativeUtf8().cast<Char>(),
animations.first.frameLengthInMs);
calloc.free(data);
}
@@ -379,7 +382,6 @@ class FilamentController {
void playAnimation(FilamentEntity asset, int index,
{bool loop = false, bool reverse = false}) async {
print("LOOP $loop");
_nativeLibrary.play_animation(
_assetManager, asset, index, loop ? 1 : 0, reverse ? 1 : 0);
}

View File

@@ -655,21 +655,21 @@ class NativeLibrary {
void set_bone_animation(
ffi.Pointer<ffi.Void> assetManager,
int asset,
int length,
ffi.Pointer<ffi.Pointer<ffi.Char>> boneNames,
ffi.Pointer<ffi.Pointer<ffi.Char>> meshNames,
ffi.Pointer<ffi.Float> frameData,
int numFrames,
int numBones,
ffi.Pointer<ffi.Pointer<ffi.Char>> boneNames,
ffi.Pointer<ffi.Char> meshName,
double frameLengthInMs,
) {
return _set_bone_animation(
assetManager,
asset,
length,
boneNames,
meshNames,
frameData,
numFrames,
numBones,
boneNames,
meshName,
frameLengthInMs,
);
}
@@ -679,21 +679,21 @@ class NativeLibrary {
ffi.Void Function(
ffi.Pointer<ffi.Void>,
EntityId,
ffi.Int,
ffi.Pointer<ffi.Pointer<ffi.Char>>,
ffi.Pointer<ffi.Pointer<ffi.Char>>,
ffi.Pointer<ffi.Float>,
ffi.Int,
ffi.Int,
ffi.Pointer<ffi.Pointer<ffi.Char>>,
ffi.Pointer<ffi.Char>,
ffi.Float)>>('set_bone_animation');
late final _set_bone_animation = _set_bone_animationPtr.asFunction<
void Function(
ffi.Pointer<ffi.Void>,
int,
int,
ffi.Pointer<ffi.Pointer<ffi.Char>>,
ffi.Pointer<ffi.Pointer<ffi.Char>>,
ffi.Pointer<ffi.Float>,
int,
int,
ffi.Pointer<ffi.Pointer<ffi.Char>>,
ffi.Pointer<ffi.Char>,
double)>();
void play_animation(
@@ -1122,96 +1122,9 @@ class NativeLibrary {
late final _ios_dummy = _ios_dummyPtr.asFunction<void Function()>();
}
class __mbstate_t extends ffi.Union {
@ffi.Array.multi([128])
external ffi.Array<ffi.Char> __mbstate8;
@ffi.LongLong()
external int _mbstateL;
}
class __darwin_pthread_handler_rec extends ffi.Struct {
external ffi
.Pointer<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void>)>>
__routine;
external ffi.Pointer<ffi.Void> __arg;
external ffi.Pointer<__darwin_pthread_handler_rec> __next;
}
class _opaque_pthread_attr_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([56])
external ffi.Array<ffi.Char> __opaque;
}
class _opaque_pthread_cond_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([40])
external ffi.Array<ffi.Char> __opaque;
}
class _opaque_pthread_condattr_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([8])
external ffi.Array<ffi.Char> __opaque;
}
class _opaque_pthread_mutex_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([56])
external ffi.Array<ffi.Char> __opaque;
}
class _opaque_pthread_mutexattr_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([8])
external ffi.Array<ffi.Char> __opaque;
}
class _opaque_pthread_once_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([8])
external ffi.Array<ffi.Char> __opaque;
}
class _opaque_pthread_rwlock_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([192])
external ffi.Array<ffi.Char> __opaque;
}
class _opaque_pthread_rwlockattr_t extends ffi.Struct {
@ffi.Long()
external int __sig;
@ffi.Array.multi([16])
external ffi.Array<ffi.Char> __opaque;
}
class _opaque_pthread_t extends ffi.Struct {
@ffi.Long()
external int __sig;
external ffi.Pointer<__darwin_pthread_handler_rec> __cleanup_stack;
@ffi.Array.multi([8176])
external ffi.Array<ffi.Char> __opaque;
class __fsid_t extends ffi.Struct {
@ffi.Array.multi([2])
external ffi.Array<ffi.Int> __val;
}
class ResourceBuffer extends ffi.Struct {
@@ -1225,8 +1138,6 @@ class ResourceBuffer extends ffi.Struct {
}
class ResourceLoaderWrapper extends ffi.Struct {
external ffi.Pointer<ffi.Void> mOwner;
external LoadResource mLoadResource;
external FreeResource mFreeResource;
@@ -1234,6 +1145,8 @@ class ResourceLoaderWrapper extends ffi.Struct {
external LoadResourceFromOwner mLoadResourceFromOwner;
external FreeResourceFromOwner mFreeResourceFromOwner;
external ffi.Pointer<ffi.Void> mOwner;
}
typedef LoadResource = ffi.Pointer<
@@ -1248,75 +1161,127 @@ typedef FreeResourceFromOwner = ffi.Pointer<
ffi.Void Function(ResourceBuffer, ffi.Pointer<ffi.Void>)>>;
typedef EntityId = ffi.Int32;
const int _STDINT_H = 1;
const int _FEATURES_H = 1;
const int _DEFAULT_SOURCE = 1;
const int __GLIBC_USE_ISOC2X = 1;
const int __USE_ISOC11 = 1;
const int __USE_ISOC99 = 1;
const int __USE_ISOC95 = 1;
const int _POSIX_SOURCE = 1;
const int _POSIX_C_SOURCE = 200809;
const int __USE_POSIX = 1;
const int __USE_POSIX2 = 1;
const int __USE_POSIX199309 = 1;
const int __USE_POSIX199506 = 1;
const int __USE_XOPEN2K = 1;
const int __USE_XOPEN2K8 = 1;
const int _ATFILE_SOURCE = 1;
const int __WORDSIZE = 64;
const int __DARWIN_ONLY_64_BIT_INO_T = 1;
const int __WORDSIZE_TIME64_COMPAT32 = 1;
const int __DARWIN_ONLY_UNIX_CONFORMANCE = 1;
const int __SYSCALL_WORDSIZE = 64;
const int __DARWIN_ONLY_VERS_1050 = 1;
const int __TIMESIZE = 64;
const int __DARWIN_UNIX03 = 1;
const int __USE_MISC = 1;
const int __DARWIN_64_BIT_INO_T = 1;
const int __USE_ATFILE = 1;
const int __DARWIN_VERS_1050 = 1;
const int __USE_FORTIFY_LEVEL = 0;
const int __DARWIN_NON_CANCELABLE = 0;
const int __GLIBC_USE_DEPRECATED_GETS = 0;
const String __DARWIN_SUF_EXTSN = '\$DARWIN_EXTSN';
const int __GLIBC_USE_DEPRECATED_SCANF = 0;
const int __DARWIN_C_ANSI = 4096;
const int _STDC_PREDEF_H = 1;
const int __DARWIN_C_FULL = 900000;
const int __STDC_IEC_559__ = 1;
const int __DARWIN_C_LEVEL = 900000;
const int __STDC_IEC_60559_BFP__ = 201404;
const int __STDC_WANT_LIB_EXT1__ = 1;
const int __STDC_IEC_559_COMPLEX__ = 1;
const int __DARWIN_NO_LONG_LONG = 0;
const int __STDC_IEC_60559_COMPLEX__ = 201404;
const int _DARWIN_FEATURE_64_BIT_INODE = 1;
const int __STDC_ISO_10646__ = 201706;
const int _DARWIN_FEATURE_ONLY_64_BIT_INODE = 1;
const int __GNU_LIBRARY__ = 6;
const int _DARWIN_FEATURE_ONLY_VERS_1050 = 1;
const int __GLIBC__ = 2;
const int _DARWIN_FEATURE_ONLY_UNIX_CONFORMANCE = 1;
const int __GLIBC_MINOR__ = 37;
const int _DARWIN_FEATURE_UNIX_CONFORMANCE = 3;
const int _SYS_CDEFS_H = 1;
const int __has_ptrcheck = 0;
const int __THROW = 1;
const int __DARWIN_NULL = 0;
const int __THROWNL = 1;
const int __PTHREAD_SIZE__ = 8176;
const int __glibc_c99_flexarr_available = 1;
const int __PTHREAD_ATTR_SIZE__ = 56;
const int __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI = 0;
const int __PTHREAD_MUTEXATTR_SIZE__ = 8;
const int __HAVE_GENERIC_SELECTION = 0;
const int __PTHREAD_MUTEX_SIZE__ = 56;
const int __GLIBC_USE_LIB_EXT2 = 1;
const int __PTHREAD_CONDATTR_SIZE__ = 8;
const int __GLIBC_USE_IEC_60559_BFP_EXT = 1;
const int __PTHREAD_COND_SIZE__ = 40;
const int __GLIBC_USE_IEC_60559_BFP_EXT_C2X = 1;
const int __PTHREAD_ONCE_SIZE__ = 8;
const int __GLIBC_USE_IEC_60559_EXT = 1;
const int __PTHREAD_RWLOCK_SIZE__ = 192;
const int __GLIBC_USE_IEC_60559_FUNCS_EXT = 1;
const int __PTHREAD_RWLOCKATTR_SIZE__ = 16;
const int __GLIBC_USE_IEC_60559_FUNCS_EXT_C2X = 1;
const int USER_ADDR_NULL = 0;
const int __GLIBC_USE_IEC_60559_TYPES_EXT = 1;
const int INT8_MAX = 127;
const int _BITS_TYPES_H = 1;
const int INT16_MAX = 32767;
const int _BITS_TYPESIZES_H = 1;
const int INT32_MAX = 2147483647;
const int __OFF_T_MATCHES_OFF64_T = 1;
const int INT64_MAX = 9223372036854775807;
const int __INO_T_MATCHES_INO64_T = 1;
const int __RLIM_T_MATCHES_RLIM64_T = 1;
const int __STATFS_MATCHES_STATFS64 = 1;
const int __KERNEL_OLD_TIMEVAL_MATCHES_TIMEVAL64 = 1;
const int __FD_SETSIZE = 1024;
const int _BITS_TIME64_H = 1;
const int _BITS_WCHAR_H = 1;
const int __WCHAR_MAX = 2147483647;
const int __WCHAR_MIN = -2147483648;
const int _BITS_STDINT_INTN_H = 1;
const int _BITS_STDINT_UINTN_H = 1;
const int INT8_MIN = -128;
@@ -1326,6 +1291,14 @@ const int INT32_MIN = -2147483648;
const int INT64_MIN = -9223372036854775808;
const int INT8_MAX = 127;
const int INT16_MAX = 32767;
const int INT32_MAX = 2147483647;
const int INT64_MAX = 9223372036854775807;
const int UINT8_MAX = 255;
const int UINT16_MAX = 65535;
@@ -1360,66 +1333,54 @@ const int UINT_LEAST64_MAX = -1;
const int INT_FAST8_MIN = -128;
const int INT_FAST16_MIN = -32768;
const int INT_FAST16_MIN = -9223372036854775808;
const int INT_FAST32_MIN = -2147483648;
const int INT_FAST32_MIN = -9223372036854775808;
const int INT_FAST64_MIN = -9223372036854775808;
const int INT_FAST8_MAX = 127;
const int INT_FAST16_MAX = 32767;
const int INT_FAST16_MAX = 9223372036854775807;
const int INT_FAST32_MAX = 2147483647;
const int INT_FAST32_MAX = 9223372036854775807;
const int INT_FAST64_MAX = 9223372036854775807;
const int UINT_FAST8_MAX = 255;
const int UINT_FAST16_MAX = 65535;
const int UINT_FAST16_MAX = -1;
const int UINT_FAST32_MAX = 4294967295;
const int UINT_FAST32_MAX = -1;
const int UINT_FAST64_MAX = -1;
const int INTPTR_MAX = 9223372036854775807;
const int INTPTR_MIN = -9223372036854775808;
const int INTPTR_MAX = 9223372036854775807;
const int UINTPTR_MAX = -1;
const int INTMAX_MIN = -9223372036854775808;
const int INTMAX_MAX = 9223372036854775807;
const int UINTMAX_MAX = -1;
const int INTMAX_MIN = -9223372036854775808;
const int PTRDIFF_MIN = -9223372036854775808;
const int PTRDIFF_MAX = 9223372036854775807;
const int SIZE_MAX = -1;
const int RSIZE_MAX = 9223372036854775807;
const int WCHAR_MAX = 2147483647;
const int WCHAR_MIN = -2147483648;
const int WINT_MIN = -2147483648;
const int WINT_MAX = 2147483647;
const int SIG_ATOMIC_MIN = -2147483648;
const int SIG_ATOMIC_MAX = 2147483647;
const int __DARWIN_WCHAR_MAX = 2147483647;
const int SIZE_MAX = -1;
const int __DARWIN_WCHAR_MIN = -2147483648;
const int WCHAR_MIN = -2147483648;
const int __DARWIN_WEOF = -1;
const int WCHAR_MAX = 2147483647;
const int _FORTIFY_SOURCE = 2;
const int WINT_MIN = 0;
const int NULL = 0;
const int WINT_MAX = 4294967295;

View File

@@ -1,73 +1,70 @@
import 'dart:convert';
import 'dart:math';
import 'dart:typed_data';
import 'package:flutter_test/flutter_test.dart';
import 'package:polyvox_filament/animations/bone_driver.dart';
import 'package:vector_math/vector_math.dart';
void main() {
group('BoneDriver', () {
test('constructor sets correct values', () {
Quaternion rotMin = Quaternion.identity();
Quaternion rotMax = Quaternion.axisAngle(Vector3(1, 0, 0), 0.5);
Vector3 transMin = Vector3.zero();
Vector3 transMax = Vector3(1, 1, 1);
BoneDriver boneDriver = BoneDriver(
'bone1', 'blendshape1', rotMin, rotMax, transMin, transMax);
expect(boneDriver.bone, 'bone1');
expect(boneDriver.blendshape, 'blendshape1');
expect(boneDriver.rotMin, rotMin);
expect(boneDriver.rotMax, rotMax);
expect(boneDriver.transMin, transMin);
expect(boneDriver.transMax, transMax);
});
test('fromJsonObject creates BoneDriver instance correctly', () {
dynamic jsonObject = {
"bone": "bone1",
"blendshape": "blendshape1",
"rotMin": Quaternion.identity().storage,
"rotMax": Quaternion.axisAngle(Vector3(1, 0, 0), 0.5).storage,
"transMin": Vector3.zero().storage,
"transMax": Vector3(1, 1, 1).storage
test(
'transform should yield correct Quaternions for given morphTargetFrameData',
() {
final bone = 'bone1';
final transformations = {
'blendshape1': Transformation(Quaternion(1, 0, 0, 1)),
'blendshape2': Transformation(Quaternion(0, 1, 0, 1)),
};
final morphTargetFrameData = <String, List<double>>{
'blendshape1': [0.5, -0.5],
'blendshape2': [-1, 1],
};
final boneDriver = BoneDriver(bone, transformations);
BoneDriver boneDriver = BoneDriver.fromJsonObject(jsonObject);
final result = boneDriver.transform(morphTargetFrameData).toList();
expect(boneDriver.bone, 'bone1');
expect(boneDriver.blendshape, 'blendshape1');
expect(boneDriver.rotMin.absoluteError(Quaternion.identity()), 0);
expect(
boneDriver.rotMax
.absoluteError(Quaternion.axisAngle(Vector3(1, 0, 0), 0.5)),
0);
expect(boneDriver.transMin.absoluteError(Vector3.zero()), 0);
expect(boneDriver.transMax.absoluteError(Vector3(1, 1, 1)), 0);
expect(result.length, 2);
expect(result[0].x, -0.5);
expect(result[0].y, 0);
expect(result[0].z, -0.5);
expect(result[0].w, 0);
expect(result[1].x, 0.5);
expect(result[1].y, 0);
expect(result[1].z, 0.5);
expect(result[1].w, 0);
});
test('transform generates correct Quaternions', () {
Quaternion rotMin = Quaternion.identity();
Quaternion rotMax = Quaternion.axisAngle(Vector3(1, 0, 0), 0.5);
BoneDriver boneDriver =
BoneDriver('bone1', 'blendshape1', rotMin, rotMax, null, null);
test(
'transform should throw AssertionError when morphTargetFrameData keys do not match transformations keys',
() {
final bone = 'bone1';
final transformations = {
'blendshape1': Transformation(Quaternion(1, 0, 0, 0)),
'blendshape2': Transformation(Quaternion(0, 1, 0, 0)),
};
final morphTargetFrameData = <String, List<double>>{
'blendshape1': [0.5, -0.5],
'blendshape3': [-1, 1],
};
final boneDriver = BoneDriver(bone, transformations);
List<double> morphTargetFrameData = [-1, 0, 1];
List<Quaternion> expectedResult = [
Quaternion(rotMin.x, rotMin.y, rotMin.z, 1.0),
Quaternion((rotMin.x + rotMax.x) / 2, (rotMin.y + rotMax.y) / 2,
(rotMin.z + rotMax.z) / 2, 1.0),
Quaternion(rotMax.x, rotMax.y, rotMax.z, 1.0),
];
expect(() => boneDriver.transform(morphTargetFrameData),
throwsA(isA<AssertionError>()));
});
Iterable<Quaternion> result = boneDriver.transform(morphTargetFrameData);
List<Quaternion> resultAsList = result.toList();
expect(resultAsList.length, expectedResult.length);
test(
'transform should throw AssertionError when morphTargetFrameData values lengths do not match',
() {
final bone = 'bone1';
final transformations = {
'blendshape1': Transformation(Quaternion(1, 0, 0, 0)),
'blendshape2': Transformation(Quaternion(0, 1, 0, 0)),
};
final morphTargetFrameData = <String, List<double>>{
'blendshape1': [0.5, -0.5],
'blendshape2': [-1],
};
final boneDriver = BoneDriver(bone, transformations);
for (int i = 0; i < expectedResult.length; i++) {
expect(resultAsList[i].absoluteError(expectedResult[i]), 0);
}
expect(() => boneDriver.transform(morphTargetFrameData),
throwsA(isA<AssertionError>()));
});
});
}