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feature!:

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This is a breaking change needed to fully implement instancing and stencil highlighting.

Previously, users would work directly with entities (on the Dart side, ThermionEntity), e.g.

final entity = await viewer.loadGlb("some.glb");

However, Filament "entities" are a lower-level abstraction.

Loading a glTF file, for example, inserts multiple entities into the scene.

For example, each mesh, light, and camera within a glTF asset will be assigned an entity. A top-level (non-renderable) entity will also be created for the glTF asset, which can be used to transform the entire hierarchy.

"Asset" is a better representation for loading/inserting objects into the scene; think of this as a bundle of entities.

Unless you need to work directly with transforms, instancing, materials and renderables, you can work directly with ThermionAsset.
This commit is contained in:
Nick Fisher
2024-11-21 15:04:10 +08:00
parent 9ada6aae64
commit ed444b0615
195 changed files with 18061 additions and 12628 deletions
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27
thermion_dart/native/include/c_api/TSceneAsset.h Normal file
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#pragma once
#include <utils/Entity.h>
#include "APIExport.h"
#include "APIBoundaryTypes.h"
#ifdef __cplusplus
extern "C"
{
#endif
EMSCRIPTEN_KEEPALIVE void SceneAsset_addToScene(TSceneAsset *tSceneAsset, TScene *tScene);
EMSCRIPTEN_KEEPALIVE EntityId SceneAsset_getEntity(TSceneAsset *tSceneAsset);
EMSCRIPTEN_KEEPALIVE int SceneAsset_getChildEntityCount(TSceneAsset* tSceneAsset);
EMSCRIPTEN_KEEPALIVE void SceneAsset_getChildEntities(TSceneAsset* tSceneAsset, EntityId *out);
EMSCRIPTEN_KEEPALIVE const utils::Entity *SceneAsset_getCameraEntities(TSceneAsset* tSceneAsset);
EMSCRIPTEN_KEEPALIVE size_t SceneAsset_getCameraEntityCount(TSceneAsset *tSceneAsset);
EMSCRIPTEN_KEEPALIVE const utils::Entity *SceneAsset_getLightEntities(TSceneAsset* tSceneAsset);
EMSCRIPTEN_KEEPALIVE size_t SceneAsset_getLightEntityCount(TSceneAsset *tSceneAsset);
EMSCRIPTEN_KEEPALIVE TSceneAsset *SceneAsset_getInstance(TSceneAsset *tSceneAsset, int index);
EMSCRIPTEN_KEEPALIVE size_t SceneAsset_getInstanceCount(TSceneAsset *tSceneAsset);
EMSCRIPTEN_KEEPALIVE TSceneAsset * SceneAsset_createInstance(TSceneAsset *asset, TMaterialInstance **materialInstances, int materialInstanceCount);
#ifdef __cplusplus
}
#endif