Files
cup_edit/ios/src/AssetManager.cpp
2023-11-03 13:10:02 +08:00

1008 lines
35 KiB
C++

#include <string>
#include <sstream>
#include <thread>
#include <vector>
#include <filament/Engine.h>
#include <filament/TransformManager.h>
#include <filament/Texture.h>
#include <filament/RenderableManager.h>
#include <gltfio/Animator.h>
#include <gltfio/AssetLoader.h>
#include <gltfio/FilamentAsset.h>
#include <gltfio/ResourceLoader.h>
#include <gltfio/TextureProvider.h>
#include <gltfio/math.h>
#include <imageio/ImageDecoder.h>
#include "StreamBufferAdapter.hpp"
#include "SceneAsset.hpp"
#include "Log.hpp"
#include "AssetManager.hpp"
#include "material/FileMaterialProvider.hpp"
#include "gltfio/materials/uberarchive.h"
extern "C" {
#include "material/image.h"
}
namespace polyvox {
using namespace std;
using namespace std::chrono;
using namespace image;
using namespace utils;
using namespace filament;
using namespace filament::gltfio;
AssetManager::AssetManager(const ResourceLoaderWrapper* const resourceLoaderWrapper,
NameComponentManager* ncm,
Engine* engine,
Scene* scene,
const char* uberArchivePath)
: _resourceLoaderWrapper(resourceLoaderWrapper),
_ncm(ncm),
_engine(engine),
_scene(scene) {
_stbDecoder = createStbProvider(_engine);
_ktxDecoder = createKtx2Provider(_engine);
_gltfResourceLoader = new ResourceLoader({.engine = _engine,
.normalizeSkinningWeights = true });
if(uberArchivePath) {
auto uberdata = resourceLoaderWrapper->load(uberArchivePath);
if (!uberdata.data) {
Log("Failed to load ubershader material. This is fatal.");
}
_ubershaderProvider = gltfio::createUbershaderProvider(_engine, uberdata.data, uberdata.size);
resourceLoaderWrapper->free(uberdata);
} else {
_ubershaderProvider = gltfio::createUbershaderProvider(
_engine, UBERARCHIVE_DEFAULT_DATA, UBERARCHIVE_DEFAULT_SIZE);
}
Log("Created ubershader provider.");
EntityManager &em = EntityManager::get();
_assetLoader = AssetLoader::create({_engine, _ubershaderProvider, _ncm, &em });
_gltfResourceLoader->addTextureProvider("image/ktx2", _ktxDecoder);
_gltfResourceLoader->addTextureProvider("image/png", _stbDecoder);
_gltfResourceLoader->addTextureProvider("image/jpeg", _stbDecoder);
}
AssetManager::~AssetManager() {
_gltfResourceLoader->asyncCancelLoad();
_ubershaderProvider->destroyMaterials();
destroyAll();
AssetLoader::destroy(&_assetLoader);
}
EntityId AssetManager::loadGltf(const char *uri,
const char *relativeResourcePath) {
ResourceBuffer rbuf = _resourceLoaderWrapper->load(uri);
// Parse the glTF file and create Filament entities.
FilamentAsset *asset = _assetLoader->createAsset((uint8_t *)rbuf.data, rbuf.size);
if (!asset) {
Log("Unable to parse asset");
return 0;
}
const char *const *const resourceUris = asset->getResourceUris();
const size_t resourceUriCount = asset->getResourceUriCount();
std::vector<ResourceBuffer> resourceBuffers;
for (size_t i = 0; i < resourceUriCount; i++) {
string uri = string(relativeResourcePath) + string("/") + string(resourceUris[i]);
Log("Loading resource URI from relative path %s", resourceUris[i], uri.c_str());
ResourceBuffer buf = _resourceLoaderWrapper->load(uri.c_str());
resourceBuffers.push_back(buf);
ResourceLoader::BufferDescriptor b(buf.data, buf.size);
_gltfResourceLoader->addResourceData(resourceUris[i], std::move(b));
}
// load resources synchronously
if (!_gltfResourceLoader->loadResources(asset)) {
Log("Unknown error loading glTF asset");
_resourceLoaderWrapper->free(rbuf);
for(auto& rb : resourceBuffers) {
_resourceLoaderWrapper->free(rb);
}
return 0;
}
const utils::Entity *entities = asset->getEntities();
_scene->addEntities(asset->getEntities(), asset->getEntityCount());
FilamentInstance* inst = asset->getInstance();
inst->getAnimator()->updateBoneMatrices();
inst->recomputeBoundingBoxes();
asset->releaseSourceData();
SceneAsset sceneAsset(asset);
utils::Entity e = EntityManager::get().create();
EntityId eid = Entity::smuggle(e);
_entityIdLookup.emplace(eid, _assets.size());
_assets.push_back(sceneAsset);
for(auto& rb : resourceBuffers) {
_resourceLoaderWrapper->free(rb);
}
_resourceLoaderWrapper->free(rbuf);
Log("Finished loading glTF from %s", uri);
return eid;
}
EntityId AssetManager::loadGlb(const char *uri, bool unlit) {
ResourceBuffer rbuf = _resourceLoaderWrapper->load(uri);
Log("Loaded GLB of size %d at URI %s", rbuf.size, uri);
FilamentAsset *asset = _assetLoader->createAsset(
(const uint8_t *)rbuf.data, rbuf.size);
if (!asset) {
Log("Unknown error loading GLB asset.");
return 0;
}
int entityCount = asset->getEntityCount();
_scene->addEntities(asset->getEntities(), entityCount);
if (!_gltfResourceLoader->loadResources(asset)) {
Log("Unknown error loading glb asset");
_resourceLoaderWrapper->free(rbuf);
return 0;
}
const Entity *entities = asset->getEntities();
auto lights = asset->getLightEntities();
_scene->addEntities(lights, asset->getLightEntityCount());
FilamentInstance* inst = asset->getInstance();
inst->getAnimator()->updateBoneMatrices();
inst->recomputeBoundingBoxes();
asset->releaseSourceData();
_resourceLoaderWrapper->free(rbuf);
SceneAsset sceneAsset(asset);
utils::Entity e = EntityManager::get().create();
EntityId eid = Entity::smuggle(e);
_entityIdLookup.emplace(eid, _assets.size());
_assets.push_back(sceneAsset);
return eid;
}
bool AssetManager::hide(EntityId entityId, const char* meshName) {
auto asset = getAssetByEntityId(entityId);
if(!asset) {
return false;
}
auto entity = findEntityByName(asset, meshName);
if(entity.isNull()) {
Log("Mesh %s could not be found", meshName);
return false;
}
_scene->remove(entity);
return true;
}
bool AssetManager::reveal(EntityId entityId, const char* meshName) {
auto asset = getAssetByEntityId(entityId);
if(!asset) {
Log("No asset found under entity ID");
return false;
}
auto entity = findEntityByName(asset, meshName);
RenderableManager &rm = _engine->getRenderableManager();
if(entity.isNull()) {
Log("Mesh %s could not be found", meshName);
return false;
}
_scene->addEntity(entity);
return true;
}
void AssetManager::destroyAll() {
for (auto& asset : _assets) {
_scene->removeEntities(asset.mAsset->getEntities(),
asset.mAsset->getEntityCount());
_scene->removeEntities(asset.mAsset->getLightEntities(),
asset.mAsset->getLightEntityCount());
_assetLoader->destroyAsset(asset.mAsset);
}
_assets.clear();
}
FilamentAsset* AssetManager::getAssetByEntityId(EntityId entityId) {
const auto& pos = _entityIdLookup.find(entityId);
if(pos == _entityIdLookup.end()) {
return nullptr;
}
return _assets[pos->second].mAsset;
}
void AssetManager::updateAnimations() {
std::lock_guard lock(_animationMutex);
RenderableManager &rm = _engine->getRenderableManager();
for (auto& asset : _assets) {
std::vector<int> completed;
int index = 0;
for(auto& anim : asset.mAnimations) {
auto now = high_resolution_clock::now();
auto elapsed = float(std::chrono::duration_cast<std::chrono::milliseconds>(now - anim.mStart).count()) / 1000.0f;
if(anim.mLoop || elapsed < anim.mDuration) {
switch(anim.type) {
case AnimationType::GLTF: {
asset.mAnimator->applyAnimation(anim.gltfIndex, elapsed);
if(asset.fadeGltfAnimationIndex != -1 && elapsed < asset.fadeDuration) {
// cross-fade
auto fadeFromTime = asset.fadeOutAnimationStart + elapsed;
auto alpha = elapsed / asset.fadeDuration;
asset.mAnimator->applyCrossFade(asset.fadeGltfAnimationIndex, fadeFromTime, alpha);
}
break;
}
case AnimationType::MORPH: {
int lengthInFrames = static_cast<int>(
anim.mDuration * 1000.0f /
asset.mMorphAnimationBuffer.mFrameLengthInMs
);
int frameNumber = static_cast<int>(elapsed * 1000.0f / asset.mMorphAnimationBuffer.mFrameLengthInMs) % lengthInFrames;
// offset from the end if reverse
if(anim.mReverse) {
frameNumber = lengthInFrames - frameNumber;
}
auto baseOffset = frameNumber * asset.mMorphAnimationBuffer.mMorphIndices.size();
for(int i = 0; i < asset.mMorphAnimationBuffer.mMorphIndices.size(); i++) {
auto morphIndex = asset.mMorphAnimationBuffer.mMorphIndices[i];
// set the weights appropriately
rm.setMorphWeights(
rm.getInstance(asset.mMorphAnimationBuffer.mMeshTarget),
asset.mMorphAnimationBuffer.mFrameData.data() + baseOffset + i,
1,
morphIndex
);
}
break;
}
case AnimationType::BONE: {
int lengthInFrames = static_cast<int>(
anim.mDuration * 1000.0f /
asset.mBoneAnimationBuffer.mFrameLengthInMs
);
int frameNumber = static_cast<int>(elapsed * 1000.0f / asset.mBoneAnimationBuffer.mFrameLengthInMs) % lengthInFrames;
// offset from the end if reverse
if(anim.mReverse) {
frameNumber = lengthInFrames - frameNumber;
}
setBoneTransform(
asset,
frameNumber
);
break;
}
}
if(anim.mLoop && elapsed >= anim.mDuration) {
anim.mStart = now;
}
// animation has completed
} else {
completed.push_back(index);
asset.fadeGltfAnimationIndex = -1;
}
asset.mAnimator->updateBoneMatrices();
index++;
}
for(int i = completed.size() - 1; i >= 0; i--) {
asset.mAnimations.erase(asset.mAnimations.begin() + i);
}
}
}
void AssetManager::setBoneTransform(SceneAsset& asset, int frameNumber) {
RenderableManager& rm = _engine->getRenderableManager();
const auto& filamentInstance = asset.mAsset->getInstance();
TransformManager &transformManager = _engine->getTransformManager();
int skinIndex = 0;
for(int i = 0; i < asset.mBoneAnimationBuffer.mBones.size(); i++) {
auto mBoneIndex = asset.mBoneAnimationBuffer.mBones[i];
auto frameDataOffset = (frameNumber * asset.mBoneAnimationBuffer.mBones.size() * 7) + (i * 7);
utils::Entity joint = filamentInstance->getJointsAt(skinIndex)[mBoneIndex];
if(joint.isNull()) {
Log("ERROR : joint not found");
continue;
}
vector<float>& fd = asset.mBoneAnimationBuffer.mFrameData;
math::mat4f localTransform(math::quatf {
fd[frameDataOffset+3],
fd[frameDataOffset+4],
fd[frameDataOffset+5],
fd[frameDataOffset+6],
});
auto jointInstance = transformManager.getInstance(joint);
auto xform = asset.mBoneAnimationBuffer.mBaseTransforms[i];
transformManager.setTransform(jointInstance, xform * localTransform);
}
}
void AssetManager::remove(EntityId entityId) {
const auto& pos = _entityIdLookup.find(entityId);
if(pos == _entityIdLookup.end()) {
Log("Couldn't find asset under specified entity id.");
return;
}
SceneAsset& sceneAsset = _assets[pos->second];
_assets.erase(std::remove_if(_assets.begin(), _assets.end(),
[=](SceneAsset& asset) { return asset.mAsset == sceneAsset.mAsset; }),
_assets.end());
_scene->removeEntities(sceneAsset.mAsset->getEntities(),
sceneAsset.mAsset->getEntityCount());
_scene->removeEntities(sceneAsset.mAsset->getLightEntities(),
sceneAsset.mAsset->getLightEntityCount());
_assetLoader->destroyAsset(sceneAsset.mAsset);
if(sceneAsset.mTexture) {
_engine->destroy(sceneAsset.mTexture);
}
EntityManager& em = EntityManager::get();
em.destroy(Entity::import(entityId));
}
void AssetManager::setMorphTargetWeights(EntityId entityId, const char* const entityName, const float* const weights, const int count) {
const auto& pos = _entityIdLookup.find(entityId);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return;
}
auto& asset = _assets[pos->second];
auto entity = findEntityByName(asset, entityName);
if(!entity) {
Log("Warning: failed to find entity %s", entityName);
return;
}
RenderableManager &rm = _engine->getRenderableManager();
auto renderableInstance = rm.getInstance(entity);
if(!renderableInstance.isValid()) {
Log("Warning: failed to find renderable instance for entity %s", entityName);
return;
}
rm.setMorphWeights(
renderableInstance,
weights,
count
);
}
utils::Entity AssetManager::findEntityByName(SceneAsset asset, const char* entityName) {
utils::Entity entity;
for (size_t i = 0, c = asset.mAsset->getEntityCount(); i != c; ++i) {
auto entity = asset.mAsset->getEntities()[i];
auto nameInstance = _ncm->getInstance(entity);
if(!nameInstance.isValid()) {
continue;
}
auto name = _ncm->getName(nameInstance);
if(!name) {
continue;
}
if(strcmp(entityName,name)==0) {
return entity;
}
}
return entity;
}
bool AssetManager::setMorphAnimationBuffer(
EntityId entityId,
const char* entityName,
const float* const morphData,
const int* const morphIndices,
int numMorphTargets,
int numFrames,
float frameLengthInMs) {
std::lock_guard lock(_animationMutex);
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, entityName);
if(!entity) {
Log("Warning: failed to find entity %s", entityName);
return false;
}
asset.mMorphAnimationBuffer.mMeshTarget = entity;
asset.mMorphAnimationBuffer.mFrameData.clear();
asset.mMorphAnimationBuffer.mFrameData.insert(
asset.mMorphAnimationBuffer.mFrameData.begin(),
morphData,
morphData + (numFrames * numMorphTargets)
);
asset.mMorphAnimationBuffer.mFrameLengthInMs = frameLengthInMs;
asset.mMorphAnimationBuffer.mMorphIndices.resize(numMorphTargets);
for(int i =0; i< numMorphTargets; i++) {
asset.mMorphAnimationBuffer.mMorphIndices[i] = morphIndices[i];
}
AnimationStatus animation;
animation.mDuration = (frameLengthInMs * numFrames) / 1000.0f;
animation.mStart = high_resolution_clock::now();
animation.type = AnimationType::MORPH;
asset.mAnimations.push_back(animation);
return true;
}
bool AssetManager::setMaterialColor(EntityId entityId, const char* meshName, int materialIndex, const float r, const float g, const float b, const float a) {
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);
RenderableManager& rm = _engine->getRenderableManager();
auto renderable = rm.getInstance(entity);
if(!renderable.isValid()) {
Log("Renderable not valid, was the entity id correct?");
return false;
}
MaterialInstance* mi = rm.getMaterialInstanceAt(renderable, materialIndex);
if(!mi) {
Log("ERROR: material index must be less than number of material instances");
return false;
}
mi->setParameter("baseColorFactor", RgbaType::sRGB, math::float4(r, g, b, a));
Log("Set baseColorFactor for entity %d to %f %f %f %f",entityId, r,g,b,a);
return true;
}
bool AssetManager::setBoneAnimationBuffer(
EntityId entityId,
const float* const frameData,
int numFrames,
int numBones,
const char** const boneNames,
const char** const meshNames,
int numMeshTargets,
float frameLengthInMs) {
std::lock_guard lock(_animationMutex);
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 filamentInstance = asset.mAsset->getInstance();
size_t skinCount = filamentInstance->getSkinCount();
if(skinCount > 1) {
Log("WARNING - skin count > 1 not currently implemented. This will probably not work");
}
TransformManager &transformManager = _engine->getTransformManager();
int skinIndex = 0;
const utils::Entity* joints = filamentInstance->getJointsAt(skinIndex);
size_t numJoints = filamentInstance->getJointCountAt(skinIndex);
BoneAnimationBuffer& animationBuffer = asset.mBoneAnimationBuffer;
// if an animation has already been set, reset the transform for the respective bones
for(int i = 0; i < animationBuffer.mBones.size(); i++) {
auto boneIndex = animationBuffer.mBones[i];
auto jointInstance = transformManager.getInstance(joints[boneIndex]);
transformManager.setTransform(jointInstance, animationBuffer.mBaseTransforms[i]);
}
asset.mAnimator->resetBoneMatrices();
animationBuffer.mBones.resize(numBones);
animationBuffer.mBaseTransforms.resize(numBones);
for(int i = 0; i < numBones; i++) {
for(int j = 0; j < numJoints; j++) {
const char* jointName = _ncm->getName(_ncm->getInstance(joints[j]));
if(strcmp(jointName, boneNames[i]) == 0) {
auto jointInstance = transformManager.getInstance(joints[j]);
// auto currentXform = ;
auto baseTransform = transformManager.getTransform(jointInstance); // inverse(filamentInstance->getInverseBindMatricesAt(skinIndex)[j]);
animationBuffer.mBaseTransforms[i] = baseTransform;
animationBuffer.mBones[i] = j;
break;
}
}
}
if(animationBuffer.mBones.size() != numBones) {
Log("Failed to find one or more bone indices");
return false;
}
animationBuffer.mFrameData.clear();
// 7 == locX, locY, locZ, rotW, rotX, rotY, rotZ
animationBuffer.mFrameData.resize(numFrames * numBones * 7);
animationBuffer.mFrameData.insert(
animationBuffer.mFrameData.begin(),
frameData,
frameData + numFrames * numBones * 7
);
animationBuffer.mFrameLengthInMs = frameLengthInMs;
animationBuffer.mNumFrames = numFrames;
animationBuffer.mMeshTargets.clear();
for(int i = 0; i < numMeshTargets; i++) {
auto entity = findEntityByName(asset, meshNames[i]);
if(!entity) {
Log("Mesh target %s for bone animation could not be found", meshNames[i]);
return false;
}
Log("Added mesh target %s", meshNames[i]);
animationBuffer.mMeshTargets.push_back(entity);
}
AnimationStatus animation;
animation.mStart = std::chrono::high_resolution_clock::now();
animation.mReverse = false;
animation.mDuration = (frameLengthInMs * numFrames) / 1000.0f;
animation.type = AnimationType::BONE;
asset.mAnimations.push_back(animation);
return true;
}
void AssetManager::playAnimation(EntityId e, int index, bool loop, bool reverse, bool replaceActive, float crossfade) {
std::lock_guard lock(_animationMutex);
if(index < 0) {
Log("ERROR: glTF animation index must be greater than zero.");
return;
}
const auto& pos = _entityIdLookup.find(e);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return;
}
auto& asset = _assets[pos->second];
if(replaceActive) {
vector<int> active;
for(int i = 0; i < asset.mAnimations.size(); i++) {
if(asset.mAnimations[i].type == AnimationType::GLTF) {
active.push_back(i);
}
}
if(active.size() > 0) {
auto& last = asset.mAnimations[active.back()];
asset.fadeGltfAnimationIndex = last.gltfIndex;
asset.fadeDuration = crossfade;
auto now = high_resolution_clock::now();
auto elapsed = float(std::chrono::duration_cast<std::chrono::milliseconds>(now - last.mStart).count()) / 1000.0f;
asset.fadeOutAnimationStart = elapsed;
for(int j = active.size() - 1; j >= 0; j--) {
asset.mAnimations.erase(asset.mAnimations.begin() + active[j]);
}
} else {
asset.fadeGltfAnimationIndex = -1;
asset.fadeDuration = 0.0f;
}
} else if(crossfade > 0) {
Log("ERROR: crossfade only supported when replaceActive is true.");
return;
} else {
asset.fadeGltfAnimationIndex = -1;
asset.fadeDuration = 0.0f;
}
AnimationStatus animation;
animation.gltfIndex = index;
animation.mStart = std::chrono::high_resolution_clock::now();
animation.mLoop = loop;
animation.mReverse = reverse;
animation.type = AnimationType::GLTF;
animation.mDuration = asset.mAnimator->getAnimationDuration(index);
asset.mAnimations.push_back(animation);
Log("Current animation count %d ", asset.mAnimations.size());
}
void AssetManager::stopAnimation(EntityId entityId, int index) {
std::lock_guard lock(_animationMutex);
const auto& pos = _entityIdLookup.find(entityId);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return;
}
auto& asset = _assets[pos->second];
asset.mAnimations.erase(std::remove_if(asset.mAnimations.begin(),
asset.mAnimations.end(),
[=](AnimationStatus& anim) { return anim.gltfIndex == index; }),
asset.mAnimations.end());
}
void AssetManager::loadTexture(EntityId entity, const char* resourcePath, int renderableIndex) {
const auto& pos = _entityIdLookup.find(entity);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return;
}
auto& asset = _assets[pos->second];
Log("Loading texture at %s for renderableIndex %d", resourcePath, renderableIndex);
string rp(resourcePath);
if(asset.mTexture) {
_engine->destroy(asset.mTexture);
asset.mTexture = nullptr;
}
ResourceBuffer imageResource = _resourceLoaderWrapper->load(rp.c_str());
StreamBufferAdapter sb((char *)imageResource.data, (char *)imageResource.data + imageResource.size);
istream *inputStream = new std::istream(&sb);
LinearImage *image = new LinearImage(ImageDecoder::decode(
*inputStream, rp.c_str(), ImageDecoder::ColorSpace::SRGB));
if (!image->isValid()) {
Log("Invalid image : %s", rp.c_str());
delete inputStream;
_resourceLoaderWrapper->free(imageResource);
return;
}
uint32_t channels = image->getChannels();
uint32_t w = image->getWidth();
uint32_t h = image->getHeight();
asset.mTexture = Texture::Builder()
.width(w)
.height(h)
.levels(0xff)
.format(channels == 3 ? Texture::InternalFormat::RGB16F
: Texture::InternalFormat::RGBA16F)
.sampler(Texture::Sampler::SAMPLER_2D)
.build(*_engine);
Texture::PixelBufferDescriptor::Callback freeCallback = [](void *buf, size_t,
void *data) {
delete reinterpret_cast<LinearImage *>(data);
};
Texture::PixelBufferDescriptor buffer(
image->getPixelRef(), size_t(w * h * channels * sizeof(float)),
channels == 3 ? Texture::Format::RGB : Texture::Format::RGBA,
Texture::Type::FLOAT, freeCallback);
asset.mTexture->setImage(*_engine, 0, std::move(buffer));
MaterialInstance* const* inst = asset.mAsset->getInstance()->getMaterialInstances();
size_t mic = asset.mAsset->getInstance()->getMaterialInstanceCount();
Log("Material instance count : %d", mic);
auto sampler = TextureSampler();
inst[0]->setParameter("baseColorIndex",0);
inst[0]->setParameter("baseColorMap",asset.mTexture,sampler);
delete inputStream;
_resourceLoaderWrapper->free(imageResource);
}
void AssetManager::setAnimationFrame(EntityId entity, int animationIndex, int animationFrame) {
const auto& pos = _entityIdLookup.find(entity);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return;
}
auto& asset = _assets[pos->second];
auto offset = 60 * animationFrame * 1000; // TODO - don't hardcore 60fps framerate
asset.mAnimator->applyAnimation(animationIndex, offset);
asset.mAnimator->updateBoneMatrices();
}
float AssetManager::getAnimationDuration(EntityId entity, int animationIndex) {
const auto& pos = _entityIdLookup.find(entity);
unique_ptr<vector<string>> names = make_unique<vector<string>>();
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity id.");
return -1.0f;
}
auto& asset = _assets[pos->second];
return asset.mAnimator->getAnimationDuration(animationIndex);
}
unique_ptr<vector<string>> AssetManager::getAnimationNames(EntityId entity) {
const auto& pos = _entityIdLookup.find(entity);
unique_ptr<vector<string>> names = make_unique<vector<string>>();
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity id.");
return names;
}
auto& asset = _assets[pos->second];
size_t count = asset.mAnimator->getAnimationCount();
for (size_t i = 0; i < count; i++) {
names->push_back(asset.mAnimator->getAnimationName(i));
}
return names;
}
unique_ptr<vector<string>> AssetManager::getMorphTargetNames(EntityId entity, const char *meshName) {
unique_ptr<vector<string>> names = make_unique<vector<string>>();
const auto& pos = _entityIdLookup.find(entity);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return names;
}
auto& asset = _assets[pos->second];
const utils::Entity *entities = asset.mAsset->getEntities();
for (int i = 0; i < asset.mAsset->getEntityCount(); i++) {
utils::Entity e = entities[i];
auto inst = _ncm->getInstance(e);
const char *name = _ncm->getName(inst);
if (name && strcmp(name, meshName) == 0) {
size_t count = asset.mAsset->getMorphTargetCountAt(e);
for (int j = 0; j < count; j++) {
const char *morphName = asset.mAsset->getMorphTargetNameAt(e, j);
names->push_back(morphName);
}
break;
}
}
return names;
}
void AssetManager::transformToUnitCube(EntityId entity) {
const auto& pos = _entityIdLookup.find(entity);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return;
}
auto& asset = _assets[pos->second];
Log("Transforming asset to unit cube.");
auto &tm = _engine->getTransformManager();
FilamentInstance* inst = asset.mAsset->getInstance();
auto aabb = inst->getBoundingBox();
auto center = aabb.center();
auto halfExtent = aabb.extent();
auto maxExtent = max(halfExtent) * 2;
auto scaleFactor = 2.0f / maxExtent;
auto transform =
math::mat4f::scaling(scaleFactor) * math::mat4f::translation(-center);
tm.setTransform(tm.getInstance(inst->getRoot()), transform);
}
void AssetManager::updateTransform(SceneAsset& asset) {
auto &tm = _engine->getTransformManager();
auto transform =
asset.mPosition * asset.mRotation * math::mat4f::scaling(asset.mScale);
tm.setTransform(tm.getInstance(asset.mAsset->getRoot()), transform);
}
void AssetManager::setScale(EntityId entity, float scale) {
const auto& pos = _entityIdLookup.find(entity);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return;
}
auto& asset = _assets[pos->second];
asset.mScale = scale;
updateTransform(asset);
}
void AssetManager::setPosition(EntityId entity, float x, float y, float z) {
const auto& pos = _entityIdLookup.find(entity);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return;
}
auto& asset = _assets[pos->second];
asset.mPosition = math::mat4f::translation(math::float3(x,y,z));
updateTransform(asset);
}
void AssetManager::setRotation(EntityId entity, float rads, float x, float y, float z) {
const auto& pos = _entityIdLookup.find(entity);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return;
}
auto& asset = _assets[pos->second];
asset.mRotation = math::mat4f::rotation(rads, math::float3(x,y,z));
updateTransform(asset);
}
const utils::Entity *AssetManager::getCameraEntities(EntityId entity) {
const auto& pos = _entityIdLookup.find(entity);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return nullptr;
}
auto& asset = _assets[pos->second];
return asset.mAsset->getCameraEntities();
}
size_t AssetManager::getCameraEntityCount(EntityId entity) {
const auto& pos = _entityIdLookup.find(entity);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return 0;
}
auto& asset = _assets[pos->second];
return asset.mAsset->getCameraEntityCount();
}
const utils::Entity* AssetManager::getLightEntities(EntityId entity) const noexcept {
const auto& pos = _entityIdLookup.find(entity);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return nullptr;
}
auto& asset = _assets[pos->second];
return asset.mAsset->getLightEntities();
}
size_t AssetManager::getLightEntityCount(EntityId entity) const noexcept {
const auto& pos = _entityIdLookup.find(entity);
if(pos == _entityIdLookup.end()) {
Log("ERROR: asset not found for entity.");
return 0;
}
auto& asset = _assets[pos->second];
return asset.mAsset->getLightEntityCount();
}
const char* AssetManager::getNameForEntity(EntityId entityId) {
const auto& entity = Entity::import(entityId);
auto nameInstance = _ncm->getInstance(entity);
if(!nameInstance.isValid()) {
Log("Failed to find name instance for entity ID %d", entityId);
return nullptr;
}
return _ncm->getName(nameInstance);
}
} // namespace polyvox
// auto& inverseBindMatrix = filamentInstance->getInverseBindMatricesAt(skinIndex)[mBoneIndex];
// auto globalJointTransform = transformManager.getWorldTransform(jointInstance);
// for(auto& target : asset.mBoneAnimationBuffer.mMeshTargets) {
// auto inverseGlobalTransform = inverse(
// transformManager.getWorldTransform(
// transformManager.getInstance(target)
// )
// );
// auto boneTransform = inverseGlobalTransform * globalJointTransform * localTransform * inverseBindMatrix;
// auto renderable = rm.getInstance(target);
// rm.setBones(
// renderable,
// &boneTransform,
// 1,
// mBoneIndex
// );
// }
// 1.0f, 0.0f, 0.0f, 0.0f,
// 0.0f, 0.0f, 1.0f, 0.0f,
// 0.0f, -1.0f, 0.0f, 0.0f,
// 0.0f, 0.0f, 0.0f, 1.0f
// };
// Log("TRANSFORM");
// Log("%f %f %f %f", localTransform[0][0], localTransform[1][0], localTransform[2][0], localTransform[3][0] ) ;
// Log("%f %f %f %f", localTransform[0][1], localTransform[1][1], localTransform[2][1], localTransform[3][1] ) ;
// Log("%f %f %f %f", localTransform[0][2], localTransform[1][2], localTransform[2][2], localTransform[3][2] ) ;
// Log("%f %f %f %f", localTransform[0][3], localTransform[1][3], localTransform[2][3], localTransform[3][3] ) ;
// transformManager.getTransform(jointInstance);