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cup_edit/ios/include/SceneAsset.hpp
2022-12-11 10:56:57 +08:00

123 lines
3.9 KiB
C++

#pragma once
#include <filament/Engine.h>
#include <filament/RenderableManager.h>
#include <filament/Renderer.h>
#include <filament/Scene.h>
#include <filament/Texture.h>
#include <math/vec3.h>
#include <math/vec4.h>
#include <math/mat3.h>
#include <math/norm.h>
#include <gltfio/AssetLoader.h>
#include <gltfio/FilamentAsset.h>
#include <gltfio/ResourceLoader.h>
#include <utils/NameComponentManager.h>
#include "SceneResources.hpp"
namespace polyvox {
using namespace filament;
using namespace filament::gltfio;
using namespace utils;
using namespace std;
class SceneAsset {
friend class SceneAssetLoader;
public:
SceneAsset(FilamentAsset* asset, Engine* engine, NameComponentManager* ncm, LoadResource loadResource, FreeResource freeResource);
~SceneAsset();
unique_ptr<vector<string>> getTargetNames(const char* meshName);
unique_ptr<vector<string>> getAnimationNames();
///
///
///
void loadTexture(const char* resourcePath, int renderableIndex);
void setTexture();
///
/// Update the bone/morph target animations to reflect the current frame (if applicable).
///
void updateAnimations();
///
/// Immediately stop the animation at the specified index. Noop if no animation is playing.
///
void stopAnimation(int index);
///
/// Play the embedded animation (i.e. animation node embedded in the GLTF asset) under the specified index. If [loop] is true, the animation will repeat indefinitely.
///
void playAnimation(int index, bool loop, bool reverse);
///
/// Manually set the weights for all morph targets in the assets to the provided values.
/// See [animateWeights] if you want to automatically
///
void applyWeights(float* weights, int count);
///
/// Update the asset's morph target weights every "frame" (which is an arbitrary length of time, i.e. this is not the same as a frame at the framerate of the underlying rendering framework).
/// Accordingly:
/// length(data) = numWeights * numFrames
/// total_animation_duration_in_ms = number_of_frames * frameLengthInMs
/// [data] will be copied; you should ensure this is freed after invoking this function.
///
void animateWeights(float* data, int numWeights, int numFrames, float frameLengthInMs);
void transformToUnitCube();
void setScale(float scale);
void setPosition(float x, float y, float z);
void setRotation(float rads, float x, float y, float z);
const utils::Entity* getCameraEntities();
size_t getCameraEntityCount();
const Entity* getLightEntities() const noexcept;
size_t getLightEntityCount() const noexcept;
private:
FilamentAsset* _asset = nullptr;
Engine* _engine = nullptr;
NameComponentManager* _ncm;
void updateMorphAnimation();
void updateEmbeddedAnimations();
Animator* _animator;
// animation flags;
unique_ptr<MorphAnimationStatus> _morphAnimationBuffer;
vector<EmbeddedAnimationStatus> _embeddedAnimationStatus;
LoadResource _loadResource;
FreeResource _freeResource;
// a slot to preload textures
filament::Texture* _texture = nullptr;
// initialized to identity
math::mat4f _position;
// initialized to identity
math::mat4f _rotation;
float _scale = 1;
void updateTransform();
};
}