Files
cup_edit/thermion_dart/native/include/scene/GltfSceneAssetInstance.hpp
Nick Fisher 0cbbc058e0 refactoring
2025-03-22 10:49:24 +08:00

152 lines
4.1 KiB
C++

#pragma once
#include <memory>
#include <vector>
#include <filament/Engine.h>
#include <filament/RenderableManager.h>
#include <filament/VertexBuffer.h>
#include <filament/IndexBuffer.h>
#include <gltfio/FilamentAsset.h>
#include <gltfio/FilamentInstance.h>
#include <gltfio/MaterialProvider.h>
#include <utils/NameComponentManager.h>
#include "scene/SceneAsset.hpp"
namespace thermion
{
using namespace filament;
class GltfSceneAsset;
class GltfSceneAssetInstance : public SceneAsset
{
public:
GltfSceneAssetInstance(
GltfSceneAsset *instanceOwner,
gltfio::FilamentInstance *instance,
Engine *engine,
utils::NameComponentManager* ncm,
MaterialInstance **materialInstances = nullptr,
size_t materialInstanceCount = 0,
int instanceIndex = -1) : _instanceOwner(instanceOwner),
_ncm(ncm),
_instance(instance),
_materialInstances(materialInstances),
_materialInstanceCount(materialInstanceCount)
{
}
~GltfSceneAssetInstance();
SceneAsset *createInstance(MaterialInstance **materialInstances = nullptr, size_t materialInstanceCount = 0) override
{
return std::nullptr_t();
};
void destroyInstance(SceneAsset *instance) override {
}
SceneAssetType getType() override
{
return SceneAsset::SceneAssetType::Gltf;
}
bool isInstance() override
{
return true;
}
SceneAsset *getInstanceOwner() override;
utils::Entity getEntity() override
{
return _instance->getRoot();
}
MaterialInstance **getMaterialInstances() override
{
return _materialInstances;
}
size_t getMaterialInstanceCount() override
{
return _materialInstanceCount;
}
gltfio::FilamentInstance *getInstance()
{
return _instance;
}
void addAllEntities(Scene *scene) override
{
scene->addEntities(_instance->getEntities(), _instance->getEntityCount());
}
void removeAllEntities(Scene *scene) override {
scene->removeEntities(_instance->getEntities(), _instance->getEntityCount());
}
size_t getInstanceCount() override
{
return 0;
}
SceneAsset *getInstanceAt(size_t index) override
{
return std::nullptr_t();
}
size_t getChildEntityCount() override
{
return _instance->getEntityCount();
}
const Entity* getChildEntities() override {
return _instance->getEntities();
}
Entity findEntityByName(const char* name) override {
TRACE("Searching for entity with name %s", name);
for(int i = 0; i < getChildEntityCount(); i++) {
auto entity = getChildEntities()[i];
auto nameInstance = _ncm->getInstance(entity);
if(!nameInstance.isValid()) {
continue;
}
auto entityName = _ncm->getName(nameInstance);
if (strcmp(entityName, name) == 0) {
TRACE("Found entity name : %s", entityName);
return entity;
}
TRACE("Skipping entity : %s", entityName);
}
return Entity();
}
SceneAsset *getInstanceByEntity(utils::Entity entity) override {
return std::nullptr_t();
}
const filament::Aabb getBoundingBox() const override {
return _instance->getBoundingBox();
}
private:
filament::Engine *_engine;
utils::NameComponentManager *_ncm;
gltfio::FilamentInstance *_instance;
MaterialInstance **_materialInstances = std::nullptr_t();
size_t _materialInstanceCount = 0;
GltfSceneAsset *_instanceOwner = std::nullptr_t();
};
} // namespace thermion